#pragma region license_and_help
#pragma endregion
#pragma region version_history
#pragma endregion
#pragma region hello_world_example
#pragma endregion
#ifndef OLC_PGE_DEF
#define OLC_PGE_DEF
#pragma region std_includes
#include <cmath>
#include <cstdint>
#include <string>
#include <iostream>
#include <streambuf>
#include <sstream>
#include <chrono>
#include <vector>
#include <list>
#include <thread>
#include <atomic>
#include <fstream>
#include <map>
#include <functional>
#include <algorithm>
#include <array>
#include <cstring>
#pragma endregion
#define PGE_VER 223
#pragma region compiler_config
#define USE_EXPERIMENTAL_FS
#if defined(_WIN32)
#if _MSC_VER >= 1920 && _MSVC_LANG >= 201703L
#undef USE_EXPERIMENTAL_FS
#endif
#endif
#if defined(__linux__) || defined(__MINGW32__) || defined(__EMSCRIPTEN__) || defined(__FreeBSD__) || defined(__APPLE__)
#if __cplusplus >= 201703L
#undef USE_EXPERIMENTAL_FS
#endif
#endif
#if !defined(OLC_KEYBOARD_UK)
#define OLC_KEYBOARD_UK
#endif
#if defined(USE_EXPERIMENTAL_FS) || defined(FORCE_EXPERIMENTAL_FS)
#define _SILENCE_EXPERIMENTAL_FILESYSTEM_DEPRECATION_WARNING
#include <experimental/filesystem>
namespace _gfs = std::experimental::filesystem::v1;
#else
#include <filesystem>
namespace _gfs = std::filesystem;
#endif
#if defined(UNICODE) || defined(_UNICODE)
#define olcT(s) L##s
#else
#define olcT(s) s
#endif
#define UNUSED(x) (void)(x)
#if defined(OLC_PGE_HEADLESS)
#define OLC_PLATFORM_HEADLESS
#define OLC_GFX_HEADLESS
#if !defined(OLC_IMAGE_STB) && !defined(OLC_IMAGE_GDI) && !defined(OLC_IMAGE_LIBPNG)
#define OLC_IMAGE_HEADLESS
#endif
#endif
#if !defined(OLC_PLATFORM_WINAPI) && !defined(OLC_PLATFORM_X11) && !defined(OLC_PLATFORM_GLUT) && !defined(OLC_PLATFORM_EMSCRIPTEN) && !defined(OLC_PLATFORM_HEADLESS)
#if !defined(OLC_PLATFORM_CUSTOM_EX)
#if defined(_WIN32)
#define OLC_PLATFORM_WINAPI
#endif
#if defined(__linux__) || defined(__FreeBSD__)
#define OLC_PLATFORM_X11
#endif
#if defined(__APPLE__)
#define GL_SILENCE_DEPRECATION
#define OLC_PLATFORM_GLUT
#endif
#if defined(__EMSCRIPTEN__)
#define OLC_PLATFORM_EMSCRIPTEN
#endif
#endif
#endif
#if defined(OLC_PLATFORM_GLUT) || defined(OLC_PLATFORM_EMSCRIPTEN)
#define PGE_USE_CUSTOM_START
#endif
#if !defined(OLC_GFX_OPENGL10) && !defined(OLC_GFX_OPENGL33) && !defined(OLC_GFX_DIRECTX10) && !defined(OLC_GFX_HEADLESS)
#if !defined(OLC_GFX_CUSTOM_EX)
#if defined(OLC_PLATFORM_EMSCRIPTEN)
#define OLC_GFX_OPENGL33
#else
#define OLC_GFX_OPENGL10
#endif
#endif
#endif
#if !defined(OLC_IMAGE_STB) && !defined(OLC_IMAGE_GDI) && !defined(OLC_IMAGE_LIBPNG) && !defined(OLC_IMAGE_HEADLESS)
#if !defined(OLC_IMAGE_CUSTOM_EX)
#if defined(_WIN32)
#define OLC_IMAGE_GDI
#endif
#if defined(__linux__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__)
#define OLC_IMAGE_LIBPNG
#endif
#endif
#endif
#if !defined(OLC_PGE_HEADLESS)
#if defined(OLC_PLATFORM_WINAPI)
#define _WINSOCKAPI_
#if !defined(VC_EXTRALEAN)
#define VC_EXTRALEAN
#endif
#if !defined(NOMINMAX)
#define NOMINMAX
#endif
#if !defined(_WIN32_WINNT)
#ifdef HAVE_MSMF
#define _WIN32_WINNT 0x0600
#else
#define _WIN32_WINNT 0x0500
#endif
#endif
#include <windows.h>
#undef _WINSOCKAPI_
#endif
#if defined(OLC_PLATFORM_X11)
namespace X11
{
#include <X11/X.h>
#include <X11/Xlib.h>
}
#endif
#if defined(OLC_PLATFORM_GLUT)
#if defined(__linux__)
#include <GL/glut.h>
#include <GL/freeglut_ext.h>
#endif
#if defined(__APPLE__)
#include <GLUT/glut.h>
#include <objc/message.h>
#include <objc/NSObjCRuntime.h>
#endif
#endif
#endif
#if defined(OLC_PGE_HEADLESS)
#if defined max
#undef max
#endif
#if defined min
#undef min
#endif
#endif
#pragma endregion
#pragma region pge_declaration
namespace olc
{
class PixelGameEngine;
class Sprite;
constexpr uint8_t nMouseButtons = 5;
constexpr uint8_t nDefaultAlpha = 0xFF;
constexpr uint32_t nDefaultPixel = (nDefaultAlpha << 24);
constexpr uint8_t nTabSizeInSpaces = 4;
constexpr size_t OLC_MAX_VERTS = 128;
enum rcode { FAIL = 0, OK = 1, NO_FILE = -1 };
struct Pixel
{
union
{
uint32_t n = nDefaultPixel;
struct { uint8_t r; uint8_t g; uint8_t b; uint8_t a; };
};
enum Mode { NORMAL, MASK, ALPHA, CUSTOM };
Pixel();
Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha = nDefaultAlpha);
Pixel(uint32_t p);
Pixel& operator = (const Pixel& v) = default;
bool operator ==(const Pixel& p) const;
bool operator !=(const Pixel& p) const;
Pixel operator * (const float i) const;
Pixel operator / (const float i) const;
Pixel& operator *=(const float i);
Pixel& operator /=(const float i);
Pixel operator + (const Pixel& p) const;
Pixel operator - (const Pixel& p) const;
Pixel& operator +=(const Pixel& p);
Pixel& operator -=(const Pixel& p);
Pixel operator * (const Pixel& p) const;
Pixel& operator *=(const Pixel& p);
Pixel inv() const;
};
Pixel PixelF(float red, float green, float blue, float alpha = 1.0f);
Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t);
static const Pixel
GREY(192, 192, 192), DARK_GREY(128, 128, 128), VERY_DARK_GREY(64, 64, 64),
RED(255, 0, 0), DARK_RED(128, 0, 0), VERY_DARK_RED(64, 0, 0),
YELLOW(255, 255, 0), DARK_YELLOW(128, 128, 0), VERY_DARK_YELLOW(64, 64, 0),
GREEN(0, 255, 0), DARK_GREEN(0, 128, 0), VERY_DARK_GREEN(0, 64, 0),
CYAN(0, 255, 255), DARK_CYAN(0, 128, 128), VERY_DARK_CYAN(0, 64, 64),
BLUE(0, 0, 255), DARK_BLUE(0, 0, 128), VERY_DARK_BLUE(0, 0, 64),
MAGENTA(255, 0, 255), DARK_MAGENTA(128, 0, 128), VERY_DARK_MAGENTA(64, 0, 64),
WHITE(255, 255, 255), BLACK(0, 0, 0), BLANK(0, 0, 0, 0);
enum Key
{
NONE,
A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z,
K0, K1, K2, K3, K4, K5, K6, K7, K8, K9,
F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12,
UP, DOWN, LEFT, RIGHT,
SPACE, TAB, SHIFT, CTRL, INS, DEL, HOME, END, PGUP, PGDN,
BACK, ESCAPE, RETURN, ENTER, PAUSE, SCROLL,
NP0, NP1, NP2, NP3, NP4, NP5, NP6, NP7, NP8, NP9,
NP_MUL, NP_DIV, NP_ADD, NP_SUB, NP_DECIMAL, PERIOD,
EQUALS, COMMA, MINUS,
OEM_1, OEM_2, OEM_3, OEM_4, OEM_5, OEM_6, OEM_7, OEM_8,
CAPS_LOCK, ENUM_END
};
namespace Mouse
{
static constexpr int32_t LEFT = 0;
static constexpr int32_t RIGHT = 1;
static constexpr int32_t MIDDLE = 2;
};
struct HWButton
{
bool bPressed = false; bool bReleased = false; bool bHeld = false; };
#if !defined(OLC_IGNORE_VEC2D)
template <class T>
struct v2d_generic
{
T x = 0;
T y = 0;
v2d_generic() : x(0), y(0) {}
v2d_generic(T _x, T _y) : x(_x), y(_y) {}
v2d_generic(const v2d_generic& v) : x(v.x), y(v.y) {}
v2d_generic& operator=(const v2d_generic& v) = default;
T mag() const { return T(std::sqrt(x * x + y * y)); }
T mag2() const { return x * x + y * y; }
v2d_generic norm() const { T r = 1 / mag(); return v2d_generic(x * r, y * r); }
v2d_generic perp() const { return v2d_generic(-y, x); }
v2d_generic floor() const { return v2d_generic(std::floor(x), std::floor(y)); }
v2d_generic ceil() const { return v2d_generic(std::ceil(x), std::ceil(y)); }
v2d_generic max(const v2d_generic& v) const { return v2d_generic(std::max(x, v.x), std::max(y, v.y)); }
v2d_generic min(const v2d_generic& v) const { return v2d_generic(std::min(x, v.x), std::min(y, v.y)); }
v2d_generic cart() { return { std::cos(y) * x, std::sin(y) * x }; }
v2d_generic polar() { return { mag(), std::atan2(y, x) }; }
v2d_generic clamp(const v2d_generic& v1, const v2d_generic& v2) const { return this->max(v1).min(v2); }
v2d_generic lerp(const v2d_generic& v1, const double t) { return this->operator*(T(1.0 - t)) + (v1 * T(t)); }
T dot(const v2d_generic& rhs) const { return this->x * rhs.x + this->y * rhs.y; }
T cross(const v2d_generic& rhs) const { return this->x * rhs.y - this->y * rhs.x; }
v2d_generic operator + (const v2d_generic& rhs) const { return v2d_generic(this->x + rhs.x, this->y + rhs.y); }
v2d_generic operator - (const v2d_generic& rhs) const { return v2d_generic(this->x - rhs.x, this->y - rhs.y); }
v2d_generic operator * (const T& rhs) const { return v2d_generic(this->x * rhs, this->y * rhs); }
v2d_generic operator * (const v2d_generic& rhs) const { return v2d_generic(this->x * rhs.x, this->y * rhs.y); }
v2d_generic operator / (const T& rhs) const { return v2d_generic(this->x / rhs, this->y / rhs); }
v2d_generic operator / (const v2d_generic& rhs) const { return v2d_generic(this->x / rhs.x, this->y / rhs.y); }
v2d_generic& operator += (const v2d_generic& rhs) { this->x += rhs.x; this->y += rhs.y; return *this; }
v2d_generic& operator -= (const v2d_generic& rhs) { this->x -= rhs.x; this->y -= rhs.y; return *this; }
v2d_generic& operator *= (const T& rhs) { this->x *= rhs; this->y *= rhs; return *this; }
v2d_generic& operator /= (const T& rhs) { this->x /= rhs; this->y /= rhs; return *this; }
v2d_generic& operator *= (const v2d_generic& rhs) { this->x *= rhs.x; this->y *= rhs.y; return *this; }
v2d_generic& operator /= (const v2d_generic& rhs) { this->x /= rhs.x; this->y /= rhs.y; return *this; }
v2d_generic operator + () const { return { +x, +y }; }
v2d_generic operator - () const { return { -x, -y }; }
bool operator == (const v2d_generic& rhs) const { return (this->x == rhs.x && this->y == rhs.y); }
bool operator != (const v2d_generic& rhs) const { return (this->x != rhs.x || this->y != rhs.y); }
const std::string str() const { return std::string("(") + std::to_string(this->x) + "," + std::to_string(this->y) + ")"; }
friend std::ostream& operator << (std::ostream& os, const v2d_generic& rhs) { os << rhs.str(); return os; }
operator v2d_generic<int32_t>() const { return { static_cast<int32_t>(this->x), static_cast<int32_t>(this->y) }; }
operator v2d_generic<float>() const { return { static_cast<float>(this->x), static_cast<float>(this->y) }; }
operator v2d_generic<double>() const { return { static_cast<double>(this->x), static_cast<double>(this->y) }; }
};
template<class T> inline v2d_generic<T> operator * (const float& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs * (float)rhs.x), (T)(lhs * (float)rhs.y)); }
template<class T> inline v2d_generic<T> operator * (const double& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs * (double)rhs.x), (T)(lhs * (double)rhs.y)); }
template<class T> inline v2d_generic<T> operator * (const int& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs * (int)rhs.x), (T)(lhs * (int)rhs.y)); }
template<class T> inline v2d_generic<T> operator / (const float& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs / (float)rhs.x), (T)(lhs / (float)rhs.y)); }
template<class T> inline v2d_generic<T> operator / (const double& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs / (double)rhs.x), (T)(lhs / (double)rhs.y)); }
template<class T> inline v2d_generic<T> operator / (const int& lhs, const v2d_generic<T>& rhs)
{ return v2d_generic<T>((T)(lhs / (int)rhs.x), (T)(lhs / (int)rhs.y)); }
template<class T, class U> inline bool operator < (const v2d_generic<T>& lhs, const v2d_generic<U>& rhs)
{ return lhs.y < rhs.y || (lhs.y == rhs.y && lhs.x < rhs.x); }
template<class T, class U> inline bool operator > (const v2d_generic<T>& lhs, const v2d_generic<U>& rhs)
{ return lhs.y > rhs.y || (lhs.y == rhs.y && lhs.x > rhs.x); }
typedef v2d_generic<int32_t> vi2d;
typedef v2d_generic<uint32_t> vu2d;
typedef v2d_generic<float> vf2d;
typedef v2d_generic<double> vd2d;
#endif
struct ResourceBuffer : public std::streambuf
{
ResourceBuffer(std::ifstream& ifs, uint32_t offset, uint32_t size);
std::vector<char> vMemory;
};
class ResourcePack : public std::streambuf
{
public:
ResourcePack();
~ResourcePack();
bool AddFile(const std::string& sFile);
bool LoadPack(const std::string& sFile, const std::string& sKey);
bool SavePack(const std::string& sFile, const std::string& sKey);
ResourceBuffer GetFileBuffer(const std::string& sFile);
bool Loaded();
private:
struct sResourceFile { uint32_t nSize; uint32_t nOffset; };
std::map<std::string, sResourceFile> mapFiles;
std::ifstream baseFile;
std::vector<char> scramble(const std::vector<char>& data, const std::string& key);
std::string makeposix(const std::string& path);
};
class ImageLoader
{
public:
ImageLoader() = default;
virtual ~ImageLoader() = default;
virtual olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) = 0;
virtual olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) = 0;
};
class Sprite
{
public:
Sprite();
Sprite(const std::string& sImageFile, olc::ResourcePack* pack = nullptr);
Sprite(int32_t w, int32_t h);
Sprite(const olc::Sprite&) = delete;
~Sprite();
public:
olc::rcode LoadFromFile(const std::string& sImageFile, olc::ResourcePack* pack = nullptr);
public:
int32_t width = 0;
int32_t height = 0;
enum Mode { NORMAL, PERIODIC, CLAMP };
enum Flip { NONE = 0, HORIZ = 1, VERT = 2 };
public:
void SetSampleMode(olc::Sprite::Mode mode = olc::Sprite::Mode::NORMAL);
Pixel GetPixel(int32_t x, int32_t y) const;
bool SetPixel(int32_t x, int32_t y, Pixel p);
Pixel GetPixel(const olc::vi2d& a) const;
bool SetPixel(const olc::vi2d& a, Pixel p);
Pixel Sample(float x, float y) const;
Pixel Sample(const olc::vf2d& uv) const;
Pixel SampleBL(float u, float v) const;
Pixel SampleBL(const olc::vf2d& uv) const;
Pixel* GetData();
olc::Sprite* Duplicate();
olc::Sprite* Duplicate(const olc::vi2d& vPos, const olc::vi2d& vSize);
olc::vi2d Size() const;
std::vector<olc::Pixel> pColData;
Mode modeSample = Mode::NORMAL;
static std::unique_ptr<olc::ImageLoader> loader;
};
class Decal
{
public:
Decal(olc::Sprite* spr, bool filter = false, bool clamp = true);
Decal(const uint32_t nExistingTextureResource, olc::Sprite* spr);
virtual ~Decal();
void Update();
void UpdateSprite();
public: int32_t id = -1;
olc::Sprite* sprite = nullptr;
olc::vf2d vUVScale = { 1.0f, 1.0f };
};
enum class DecalMode
{
NORMAL,
ADDITIVE,
MULTIPLICATIVE,
STENCIL,
ILLUMINATE,
WIREFRAME,
MODEL3D,
};
enum class DecalStructure
{
LINE,
FAN,
STRIP,
LIST
};
class Renderable
{
public:
Renderable() = default;
Renderable(Renderable&& r) : pSprite(std::move(r.pSprite)), pDecal(std::move(r.pDecal)) {}
Renderable(const Renderable&) = delete;
olc::rcode Load(const std::string& sFile, ResourcePack* pack = nullptr, bool filter = false, bool clamp = true);
void Create(uint32_t width, uint32_t height, bool filter = false, bool clamp = true);
olc::Decal* Decal() const;
olc::Sprite* Sprite() const;
private:
std::unique_ptr<olc::Sprite> pSprite = nullptr;
std::unique_ptr<olc::Decal> pDecal = nullptr;
};
struct DecalInstance
{
olc::Decal* decal = nullptr;
std::vector<olc::vf2d> pos;
std::vector<olc::vf2d> uv;
std::vector<float> w;
std::vector<olc::Pixel> tint;
olc::DecalMode mode = olc::DecalMode::NORMAL;
olc::DecalStructure structure = olc::DecalStructure::FAN;
uint32_t points = 0;
};
struct LayerDesc
{
olc::vf2d vOffset = { 0, 0 };
olc::vf2d vScale = { 1, 1 };
bool bShow = false;
bool bUpdate = false;
olc::Renderable pDrawTarget;
uint32_t nResID = 0;
std::vector<DecalInstance> vecDecalInstance;
olc::Pixel tint = olc::WHITE;
std::function<void()> funcHook = nullptr;
};
class Renderer
{
public:
virtual ~Renderer() = default;
virtual void PrepareDevice() = 0;
virtual olc::rcode CreateDevice(std::vector<void*> params, bool bFullScreen, bool bVSYNC) = 0;
virtual olc::rcode DestroyDevice() = 0;
virtual void DisplayFrame() = 0;
virtual void PrepareDrawing() = 0;
virtual void SetDecalMode(const olc::DecalMode& mode) = 0;
virtual void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) = 0;
virtual void DrawDecal(const olc::DecalInstance& decal) = 0;
virtual uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered = false, const bool clamp = true) = 0;
virtual void UpdateTexture(uint32_t id, olc::Sprite* spr) = 0;
virtual void ReadTexture(uint32_t id, olc::Sprite* spr) = 0;
virtual uint32_t DeleteTexture(const uint32_t id) = 0;
virtual void ApplyTexture(uint32_t id) = 0;
virtual void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) = 0;
virtual void ClearBuffer(olc::Pixel p, bool bDepth) = 0;
static olc::PixelGameEngine* ptrPGE;
};
class Platform
{
public:
virtual ~Platform() = default;
virtual olc::rcode ApplicationStartUp() = 0;
virtual olc::rcode ApplicationCleanUp() = 0;
virtual olc::rcode ThreadStartUp() = 0;
virtual olc::rcode ThreadCleanUp() = 0;
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) = 0;
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) = 0;
virtual olc::rcode SetWindowTitle(const std::string& s) = 0;
virtual olc::rcode StartSystemEventLoop() = 0;
virtual olc::rcode HandleSystemEvent() = 0;
static olc::PixelGameEngine* ptrPGE;
};
class PGEX;
static std::unique_ptr<Renderer> renderer;
static std::unique_ptr<Platform> platform;
static std::map<size_t, uint8_t> mapKeys;
class PixelGameEngine
{
public:
PixelGameEngine();
virtual ~PixelGameEngine();
public:
olc::rcode Construct(int32_t screen_w, int32_t screen_h, int32_t pixel_w, int32_t pixel_h,
bool full_screen = false, bool vsync = false, bool cohesion = false);
olc::rcode Start();
public: virtual bool OnUserCreate();
virtual bool OnUserUpdate(float fElapsedTime);
virtual bool OnUserDestroy();
virtual void OnTextEntryComplete(const std::string& sText);
virtual bool OnConsoleCommand(const std::string& sCommand);
public: bool IsFocused() const;
HWButton GetKey(Key k) const;
HWButton GetMouse(uint32_t b) const;
int32_t GetMouseX() const;
int32_t GetMouseY() const;
int32_t GetMouseWheel() const;
const olc::vi2d& GetWindowMouse() const;
const olc::vi2d& GetMousePos() const;
static const std::map<size_t, uint8_t>& GetKeyMap() { return mapKeys; }
public: int32_t ScreenWidth() const;
int32_t ScreenHeight() const;
int32_t GetDrawTargetWidth() const;
int32_t GetDrawTargetHeight() const;
olc::Sprite* GetDrawTarget() const;
void SetScreenSize(int w, int h);
void SetDrawTarget(Sprite* target);
uint32_t GetFPS() const;
float GetElapsedTime() const;
const olc::vi2d& GetWindowSize() const;
const olc::vi2d& GetPixelSize() const;
const olc::vi2d& GetScreenPixelSize() const;
const olc::vi2d& GetScreenSize() const;
const std::vector<std::string>& GetDroppedFiles() const;
const olc::vi2d& GetDroppedFilesPoint() const;
public: void SetDrawTarget(uint8_t layer, bool bDirty = true);
void EnableLayer(uint8_t layer, bool b);
void SetLayerOffset(uint8_t layer, const olc::vf2d& offset);
void SetLayerOffset(uint8_t layer, float x, float y);
void SetLayerScale(uint8_t layer, const olc::vf2d& scale);
void SetLayerScale(uint8_t layer, float x, float y);
void SetLayerTint(uint8_t layer, const olc::Pixel& tint);
void SetLayerCustomRenderFunction(uint8_t layer, std::function<void()> f);
std::vector<LayerDesc>& GetLayers();
uint32_t CreateLayer();
void SetPixelMode(Pixel::Mode m);
Pixel::Mode GetPixelMode();
void SetPixelMode(std::function<olc::Pixel(const int x, const int y, const olc::Pixel& pSource, const olc::Pixel& pDest)> pixelMode);
void SetPixelBlend(float fBlend);
public: virtual bool Draw(int32_t x, int32_t y, Pixel p = olc::WHITE);
bool Draw(const olc::vi2d& pos, Pixel p = olc::WHITE);
void DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p = olc::WHITE, uint32_t pattern = 0xFFFFFFFF);
void DrawLine(const olc::vi2d& pos1, const olc::vi2d& pos2, Pixel p = olc::WHITE, uint32_t pattern = 0xFFFFFFFF);
void DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE, uint8_t mask = 0xFF);
void DrawCircle(const olc::vi2d& pos, int32_t radius, Pixel p = olc::WHITE, uint8_t mask = 0xFF);
void FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p = olc::WHITE);
void FillCircle(const olc::vi2d& pos, int32_t radius, Pixel p = olc::WHITE);
void DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE);
void DrawRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p = olc::WHITE);
void FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p = olc::WHITE);
void FillRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p = olc::WHITE);
void DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE);
void DrawTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p = olc::WHITE);
void FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p = olc::WHITE);
void FillTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p = olc::WHITE);
void FillTexturedTriangle(const std::vector<olc::vf2d>& vPoints, std::vector<olc::vf2d> vTex, std::vector<olc::Pixel> vColour, olc::Sprite* sprTex);
void FillTexturedPolygon(const std::vector<olc::vf2d>& vPoints, const std::vector<olc::vf2d>& vTex, const std::vector<olc::Pixel>& vColour, olc::Sprite* sprTex, olc::DecalStructure structure = olc::DecalStructure::LIST);
void DrawSprite(int32_t x, int32_t y, Sprite* sprite, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE);
void DrawSprite(const olc::vi2d& pos, Sprite* sprite, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE);
void DrawPartialSprite(int32_t x, int32_t y, Sprite* sprite, int32_t ox, int32_t oy, int32_t w, int32_t h, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE);
void DrawPartialSprite(const olc::vi2d& pos, Sprite* sprite, const olc::vi2d& sourcepos, const olc::vi2d& size, uint32_t scale = 1, uint8_t flip = olc::Sprite::NONE);
void DrawString(int32_t x, int32_t y, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1);
void DrawString(const olc::vi2d& pos, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1);
olc::vi2d GetTextSize(const std::string& s);
void DrawStringProp(int32_t x, int32_t y, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1);
void DrawStringProp(const olc::vi2d& pos, const std::string& sText, Pixel col = olc::WHITE, uint32_t scale = 1);
olc::vi2d GetTextSizeProp(const std::string& s);
void SetDecalMode(const olc::DecalMode& mode);
void SetDecalStructure(const olc::DecalStructure& structure);
void DrawDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE);
void DrawPartialDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE);
void DrawPartialDecal(const olc::vf2d& pos, const olc::vf2d& size, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE);
void DrawExplicitDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d* uv, const olc::Pixel* col, uint32_t elements = 4);
void DrawWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::Pixel& tint = olc::WHITE);
void DrawWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::Pixel& tint = olc::WHITE);
void DrawWarpedDecal(olc::Decal* decal, const std::array<olc::vf2d, 4>& pos, const olc::Pixel& tint = olc::WHITE);
void DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE);
void DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE);
void DrawPartialWarpedDecal(olc::Decal* decal, const std::array<olc::vf2d, 4>& pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint = olc::WHITE);
void DrawRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center = { 0.0f, 0.0f }, const olc::vf2d& scale = { 1.0f,1.0f }, const olc::Pixel& tint = olc::WHITE);
void DrawPartialRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale = { 1.0f, 1.0f }, const olc::Pixel& tint = olc::WHITE);
void DrawStringDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
void DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
void DrawRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col = olc::WHITE);
void FillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col = olc::WHITE);
void GradientFillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel colTL, const olc::Pixel colBL, const olc::Pixel colBR, const olc::Pixel colTR);
void DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const olc::Pixel tint = olc::WHITE);
void DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<float>& depth, const std::vector<olc::vf2d>& uv, const olc::Pixel tint = olc::WHITE);
void DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const std::vector<olc::Pixel>& tint);
void DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const std::vector<olc::Pixel>& colours, const olc::Pixel tint);
void DrawLineDecal(const olc::vf2d& pos1, const olc::vf2d& pos2, Pixel p = olc::WHITE);
void DrawRotatedStringDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center = { 0.0f, 0.0f }, const olc::Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
void DrawRotatedStringPropDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center = { 0.0f, 0.0f }, const olc::Pixel col = olc::WHITE, const olc::vf2d& scale = { 1.0f, 1.0f });
void Clear(Pixel p);
void ClearBuffer(Pixel p, bool bDepth = true);
olc::Sprite* GetFontSprite();
bool ClipLineToScreen(olc::vi2d& in_p1, olc::vi2d& in_p2);
void EnablePixelTransfer(const bool bEnable = true);
void ConsoleShow(const olc::Key &keyExit, bool bSuspendTime = true);
bool IsConsoleShowing() const;
void ConsoleClear();
std::stringstream& ConsoleOut();
void ConsoleCaptureStdOut(const bool bCapture);
void TextEntryEnable(const bool bEnable, const std::string& sText = "");
std::string TextEntryGetString() const;
int32_t TextEntryGetCursor() const;
bool IsTextEntryEnabled() const;
private:
void UpdateTextEntry();
void UpdateConsole();
public:
#ifdef OLC_ENABLE_EXPERIMENTAL
void LW3D_View(const std::array<float, 16>& m);
void LW3D_World(const std::array<float, 16>& m);
void LW3D_Projection(const std::array<float, 16>& m);
void LW3D_DrawTriangles(olc::Decal* decal, const std::vector<std::array<float,3>>& pos, const std::vector<olc::vf2d>& tex, const std::vector<olc::Pixel>& col);
void LW3D_ModelTranslate(const float x, const float y, const float z);
void LW3D_SetCameraAtTarget(const float fEyeX, const float fEyeY, const float fEyeZ,
const float fTargetX, const float fTargetY, const float fTargetZ,
const float fUpX = 0.0f, const float fUpY = 1.0f, const float fUpZ = 0.0f);
void LW3D_SetCameraAlongDirection(const float fEyeX, const float fEyeY, const float fEyeZ,
const float fDirX, const float fDirY, const float fDirZ,
const float fUpX = 0.0f, const float fUpY = 1.0f, const float fUpZ = 0.0f);
void LW3D_EnableDepthTest(const bool bEnableDepth);
void LW3D_EnableBackfaceCulling(const bool bEnableCull);
#endif
public: std::string sAppName;
private: olc::Sprite* pDrawTarget = nullptr;
Pixel::Mode nPixelMode = Pixel::NORMAL;
float fBlendFactor = 1.0f;
olc::vi2d vScreenSize = { 256, 240 };
olc::vf2d vInvScreenSize = { 1.0f / 256.0f, 1.0f / 240.0f };
olc::vi2d vPixelSize = { 4, 4 };
olc::vi2d vScreenPixelSize = { 4, 4 };
olc::vi2d vMousePos = { 0, 0 };
int32_t nMouseWheelDelta = 0;
olc::vi2d vMousePosCache = { 0, 0 };
olc::vi2d vMouseWindowPos = { 0, 0 };
int32_t nMouseWheelDeltaCache = 0;
olc::vi2d vWindowSize = { 0, 0 };
olc::vi2d vViewPos = { 0, 0 };
olc::vi2d vViewSize = { 0,0 };
bool bFullScreen = false;
olc::vf2d vPixel = { 1.0f, 1.0f };
bool bHasInputFocus = false;
bool bHasMouseFocus = false;
bool bEnableVSYNC = false;
float fFrameTimer = 1.0f;
float fLastElapsed = 0.0f;
int nFrameCount = 0;
bool bSuspendTextureTransfer = false;
Renderable fontRenderable;
std::vector<LayerDesc> vLayers;
uint8_t nTargetLayer = 0;
uint32_t nLastFPS = 0;
bool bPixelCohesion = false;
DecalMode nDecalMode = DecalMode::NORMAL;
DecalStructure nDecalStructure = DecalStructure::FAN;
std::function<olc::Pixel(const int x, const int y, const olc::Pixel&, const olc::Pixel&)> funcPixelMode;
std::chrono::time_point<std::chrono::system_clock> m_tp1, m_tp2;
std::vector<olc::vi2d> vFontSpacing;
std::vector<std::string> vDroppedFiles;
std::vector<std::string> vDroppedFilesCache;
olc::vi2d vDroppedFilesPoint;
olc::vi2d vDroppedFilesPointCache;
bool bConsoleShow = false;
bool bConsoleSuspendTime = false;
olc::Key keyConsoleExit = olc::Key::F1;
std::stringstream ssConsoleOutput;
std::streambuf* sbufOldCout = nullptr;
olc::vi2d vConsoleSize;
olc::vi2d vConsoleCursor = { 0,0 };
olc::vf2d vConsoleCharacterScale = { 1.0f, 2.0f };
std::vector<std::string> sConsoleLines;
std::list<std::string> sCommandHistory;
std::list<std::string>::iterator sCommandHistoryIt;
bool bTextEntryEnable = false;
std::string sTextEntryString = "";
int32_t nTextEntryCursor = 0;
std::vector<std::tuple<olc::Key, std::string, std::string>> vKeyboardMap;
bool pKeyNewState[256] = { 0 };
bool pKeyOldState[256] = { 0 };
HWButton pKeyboardState[256] = { 0 };
bool pMouseNewState[nMouseButtons] = { 0 };
bool pMouseOldState[nMouseButtons] = { 0 };
HWButton pMouseState[nMouseButtons] = { 0 };
void EngineThread();
static std::atomic<bool> bAtomActive;
public:
void olc_UpdateMouse(int32_t x, int32_t y);
void olc_UpdateMouseWheel(int32_t delta);
void olc_UpdateWindowSize(int32_t x, int32_t y);
void olc_UpdateViewport();
void olc_ConstructFontSheet();
void olc_CoreUpdate();
void olc_PrepareEngine();
void olc_UpdateMouseState(int32_t button, bool state);
void olc_UpdateKeyState(int32_t key, bool state);
void olc_UpdateMouseFocus(bool state);
void olc_UpdateKeyFocus(bool state);
void olc_Terminate();
void olc_DropFiles(int32_t x, int32_t y, const std::vector<std::string>& vFiles);
void olc_Reanimate();
bool olc_IsRunning();
virtual void olc_ConfigureSystem();
public: friend class PGEX;
void pgex_Register(olc::PGEX* pgex);
private:
std::vector<olc::PGEX*> vExtensions;
};
class PGEX
{
friend class olc::PixelGameEngine;
public:
PGEX(bool bHook = false);
protected:
virtual void OnBeforeUserCreate();
virtual void OnAfterUserCreate();
virtual bool OnBeforeUserUpdate(float &fElapsedTime);
virtual void OnAfterUserUpdate(float fElapsedTime);
protected:
static PixelGameEngine* pge;
};
}
#pragma endregion
#pragma region opengl33_iface
#if defined(OLC_GFX_OPENGL33)
#if defined(OLC_PLATFORM_WINAPI)
#include <gl/GL.h>
#define CALLSTYLE __stdcall
#endif
#if defined(__linux__) || defined(__FreeBSD__)
#include <GL/gl.h>
#endif
#if defined(OLC_PLATFORM_X11)
namespace X11 {
#include <GL/glx.h>
}
#define CALLSTYLE
#endif
#if defined(__APPLE__)
#define GL_SILENCE_DEPRECATION
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#define GL_GLEXT_PROTOTYPES
#include <GLES2/gl2ext.h>
#include <emscripten/emscripten.h>
#define CALLSTYLE
#define GL_CLAMP GL_CLAMP_TO_EDGE
#endif
namespace olc
{
typedef char GLchar;
typedef ptrdiff_t GLsizeiptr;
typedef GLuint CALLSTYLE locCreateShader_t(GLenum type);
typedef GLuint CALLSTYLE locCreateProgram_t(void);
typedef void CALLSTYLE locDeleteShader_t(GLuint shader);
typedef void CALLSTYLE locCompileShader_t(GLuint shader);
typedef void CALLSTYLE locLinkProgram_t(GLuint program);
typedef void CALLSTYLE locDeleteProgram_t(GLuint program);
typedef void CALLSTYLE locAttachShader_t(GLuint program, GLuint shader);
typedef void CALLSTYLE locBindBuffer_t(GLenum target, GLuint buffer);
typedef void CALLSTYLE locBufferData_t(GLenum target, GLsizeiptr size, const void* data, GLenum usage);
typedef void CALLSTYLE locGenBuffers_t(GLsizei n, GLuint* buffers);
typedef void CALLSTYLE locVertexAttribPointer_t(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const void* pointer);
typedef void CALLSTYLE locEnableVertexAttribArray_t(GLuint index);
typedef void CALLSTYLE locUseProgram_t(GLuint program);
typedef void CALLSTYLE locBindVertexArray_t(GLuint array);
typedef void CALLSTYLE locGenVertexArrays_t(GLsizei n, GLuint* arrays);
typedef void CALLSTYLE locGetShaderInfoLog_t(GLuint shader, GLsizei bufSize, GLsizei* length, GLchar* infoLog);
typedef GLint CALLSTYLE locGetUniformLocation_t(GLuint program, const GLchar* name);
typedef void CALLSTYLE locUniform1f_t(GLint location, GLfloat v0);
typedef void CALLSTYLE locUniform1i_t(GLint location, GLint v0);
typedef void CALLSTYLE locUniform2fv_t(GLint location, GLsizei count, const GLfloat* value);
typedef void CALLSTYLE locActiveTexture_t(GLenum texture);
typedef void CALLSTYLE locGenFrameBuffers_t(GLsizei n, GLuint* ids);
typedef void CALLSTYLE locBindFrameBuffer_t(GLenum target, GLuint fb);
typedef GLenum CALLSTYLE locCheckFrameBufferStatus_t(GLenum target);
typedef void CALLSTYLE locDeleteFrameBuffers_t(GLsizei n, const GLuint* fbs);
typedef void CALLSTYLE locFrameBufferTexture2D_t(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
typedef void CALLSTYLE locDrawBuffers_t(GLsizei n, const GLenum* bufs);
typedef void CALLSTYLE locBlendFuncSeparate_t(GLenum srcRGB, GLenum dstRGB, GLenum srcAlpha, GLenum dstAlpha);
#if defined(OLC_PLATFORM_WINAPI)
typedef void __stdcall locSwapInterval_t(GLsizei n);
#endif
#if defined(OLC_PLATFORM_X11)
typedef int(locSwapInterval_t)(X11::Display* dpy, X11::GLXDrawable drawable, int interval);
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
typedef void CALLSTYLE locShaderSource_t(GLuint shader, GLsizei count, const GLchar* const* string, const GLint* length);
typedef EGLBoolean(locSwapInterval_t)(EGLDisplay display, EGLint interval);
#else
typedef void CALLSTYLE locShaderSource_t(GLuint shader, GLsizei count, const GLchar** string, const GLint* length);
#endif
} #endif #pragma endregion
#endif
#ifdef OLC_PGE_APPLICATION
#undef OLC_PGE_APPLICATION
#pragma region pge_implementation
namespace olc
{
Pixel::Pixel()
{ r = 0; g = 0; b = 0; a = nDefaultAlpha; }
Pixel::Pixel(uint8_t red, uint8_t green, uint8_t blue, uint8_t alpha)
{ n = red | (green << 8) | (blue << 16) | (alpha << 24); }
Pixel::Pixel(uint32_t p)
{ n = p; }
bool Pixel::operator==(const Pixel& p) const
{ return n == p.n; }
bool Pixel::operator!=(const Pixel& p) const
{ return n != p.n; }
Pixel Pixel::operator * (const float i) const
{
float fR = std::min(255.0f, std::max(0.0f, float(r) * i));
float fG = std::min(255.0f, std::max(0.0f, float(g) * i));
float fB = std::min(255.0f, std::max(0.0f, float(b) * i));
return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a);
}
Pixel Pixel::operator / (const float i) const
{
float fR = std::min(255.0f, std::max(0.0f, float(r) / i));
float fG = std::min(255.0f, std::max(0.0f, float(g) / i));
float fB = std::min(255.0f, std::max(0.0f, float(b) / i));
return Pixel(uint8_t(fR), uint8_t(fG), uint8_t(fB), a);
}
Pixel& Pixel::operator *=(const float i)
{
this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * i)));
this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * i)));
this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * i)));
return *this;
}
Pixel& Pixel::operator /=(const float i)
{
this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) / i)));
this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) / i)));
this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) / i)));
return *this;
}
Pixel Pixel::operator + (const Pixel& p) const
{
uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) + int(p.r))));
uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) + int(p.g))));
uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) + int(p.b))));
return Pixel(nR, nG, nB, a);
}
Pixel Pixel::operator - (const Pixel& p) const
{
uint8_t nR = uint8_t(std::min(255, std::max(0, int(r) - int(p.r))));
uint8_t nG = uint8_t(std::min(255, std::max(0, int(g) - int(p.g))));
uint8_t nB = uint8_t(std::min(255, std::max(0, int(b) - int(p.b))));
return Pixel(nR, nG, nB, a);
}
Pixel& Pixel::operator += (const Pixel& p)
{
this->r = uint8_t(std::min(255, std::max(0, int(r) + int(p.r))));
this->g = uint8_t(std::min(255, std::max(0, int(g) + int(p.g))));
this->b = uint8_t(std::min(255, std::max(0, int(b) + int(p.b))));
return *this;
}
Pixel& Pixel::operator -= (const Pixel& p) {
this->r = uint8_t(std::min(255, std::max(0, int(r) - int(p.r))));
this->g = uint8_t(std::min(255, std::max(0, int(g) - int(p.g))));
this->b = uint8_t(std::min(255, std::max(0, int(b) - int(p.b))));
return *this;
}
Pixel Pixel::operator * (const Pixel& p) const
{
uint8_t nR = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * float(p.r) / 255.0f)));
uint8_t nG = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * float(p.g) / 255.0f)));
uint8_t nB = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * float(p.b) / 255.0f)));
uint8_t nA = uint8_t(std::min(255.0f, std::max(0.0f, float(a) * float(p.a) / 255.0f)));
return Pixel(nR, nG, nB, nA);
}
Pixel& Pixel::operator *=(const Pixel& p)
{
this->r = uint8_t(std::min(255.0f, std::max(0.0f, float(r) * float(p.r) / 255.0f)));
this->g = uint8_t(std::min(255.0f, std::max(0.0f, float(g) * float(p.g) / 255.0f)));
this->b = uint8_t(std::min(255.0f, std::max(0.0f, float(b) * float(p.b) / 255.0f)));
this->a = uint8_t(std::min(255.0f, std::max(0.0f, float(a) * float(p.a) / 255.0f)));
return *this;
}
Pixel Pixel::inv() const
{
uint8_t nR = uint8_t(std::min(255, std::max(0, 255 - int(r))));
uint8_t nG = uint8_t(std::min(255, std::max(0, 255 - int(g))));
uint8_t nB = uint8_t(std::min(255, std::max(0, 255 - int(b))));
return Pixel(nR, nG, nB, a);
}
Pixel PixelF(float red, float green, float blue, float alpha)
{ return Pixel(uint8_t(red * 255.0f), uint8_t(green * 255.0f), uint8_t(blue * 255.0f), uint8_t(alpha * 255.0f)); }
Pixel PixelLerp(const olc::Pixel& p1, const olc::Pixel& p2, float t)
{ return (p2 * t) + p1 * (1.0f - t); }
Sprite::Sprite()
{ width = 0; height = 0; }
Sprite::Sprite(const std::string& sImageFile, olc::ResourcePack* pack)
{ LoadFromFile(sImageFile, pack); }
Sprite::Sprite(int32_t w, int32_t h)
{
width = w; height = h;
pColData.resize(width * height);
pColData.resize(width * height, nDefaultPixel);
}
Sprite::~Sprite()
{ pColData.clear(); }
void Sprite::SetSampleMode(olc::Sprite::Mode mode)
{ modeSample = mode; }
Pixel Sprite::GetPixel(const olc::vi2d& a) const
{ return GetPixel(a.x, a.y); }
bool Sprite::SetPixel(const olc::vi2d& a, Pixel p)
{ return SetPixel(a.x, a.y, p); }
Pixel Sprite::GetPixel(int32_t x, int32_t y) const
{
if (modeSample == olc::Sprite::Mode::NORMAL)
{
if (x >= 0 && x < width && y >= 0 && y < height)
return pColData[y * width + x];
else
return Pixel(0, 0, 0, 0);
}
else
{
if (modeSample == olc::Sprite::Mode::PERIODIC)
return pColData[abs(y % height) * width + abs(x % width)];
else
return pColData[std::max(0, std::min(y, height-1)) * width + std::max(0, std::min(x, width-1))];
}
}
bool Sprite::SetPixel(int32_t x, int32_t y, Pixel p)
{
if (x >= 0 && x < width && y >= 0 && y < height)
{
pColData[y * width + x] = p;
return true;
}
else
return false;
}
Pixel Sprite::Sample(float x, float y) const
{
int32_t sx = std::min((int32_t)((x * (float)width)), width - 1);
int32_t sy = std::min((int32_t)((y * (float)height)), height - 1);
return GetPixel(sx, sy);
}
Pixel Sprite::Sample(const olc::vf2d& uv) const
{
return Sample(uv.x, uv.y);
}
Pixel Sprite::SampleBL(float u, float v) const
{
u = u * width - 0.5f;
v = v * height - 0.5f;
int x = (int)floor(u); int y = (int)floor(v); float u_ratio = u - x;
float v_ratio = v - y;
float u_opposite = 1 - u_ratio;
float v_opposite = 1 - v_ratio;
olc::Pixel p1 = GetPixel(std::max(x, 0), std::max(y, 0));
olc::Pixel p2 = GetPixel(std::min(x + 1, (int)width - 1), std::max(y, 0));
olc::Pixel p3 = GetPixel(std::max(x, 0), std::min(y + 1, (int)height - 1));
olc::Pixel p4 = GetPixel(std::min(x + 1, (int)width - 1), std::min(y + 1, (int)height - 1));
return olc::Pixel(
(uint8_t)((p1.r * u_opposite + p2.r * u_ratio) * v_opposite + (p3.r * u_opposite + p4.r * u_ratio) * v_ratio),
(uint8_t)((p1.g * u_opposite + p2.g * u_ratio) * v_opposite + (p3.g * u_opposite + p4.g * u_ratio) * v_ratio),
(uint8_t)((p1.b * u_opposite + p2.b * u_ratio) * v_opposite + (p3.b * u_opposite + p4.b * u_ratio) * v_ratio));
}
Pixel Sprite::SampleBL(const olc::vf2d& uv) const
{
return SampleBL(uv.x, uv.y);
}
Pixel* Sprite::GetData()
{ return pColData.data(); }
olc::rcode Sprite::LoadFromFile(const std::string& sImageFile, olc::ResourcePack* pack)
{
UNUSED(pack);
return loader->LoadImageResource(this, sImageFile, pack);
}
olc::Sprite* Sprite::Duplicate()
{
olc::Sprite* spr = new olc::Sprite(width, height);
std::memcpy(spr->GetData(), GetData(), width * height * sizeof(olc::Pixel));
spr->modeSample = modeSample;
return spr;
}
olc::Sprite* Sprite::Duplicate(const olc::vi2d& vPos, const olc::vi2d& vSize)
{
olc::Sprite* spr = new olc::Sprite(vSize.x, vSize.y);
for (int y = 0; y < vSize.y; y++)
for (int x = 0; x < vSize.x; x++)
spr->SetPixel(x, y, GetPixel(vPos.x + x, vPos.y + y));
return spr;
}
olc::vi2d olc::Sprite::Size() const
{
return { width, height };
}
Decal::Decal(olc::Sprite* spr, bool filter, bool clamp)
{
id = -1;
if (spr == nullptr) return;
sprite = spr;
id = renderer->CreateTexture(sprite->width, sprite->height, filter, clamp);
Update();
}
Decal::Decal(const uint32_t nExistingTextureResource, olc::Sprite* spr)
{
if (spr == nullptr) return;
id = nExistingTextureResource;
}
void Decal::Update()
{
if (sprite == nullptr) return;
vUVScale = { 1.0f / float(sprite->width), 1.0f / float(sprite->height) };
renderer->ApplyTexture(id);
renderer->UpdateTexture(id, sprite);
}
void Decal::UpdateSprite()
{
if (sprite == nullptr) return;
renderer->ApplyTexture(id);
renderer->ReadTexture(id, sprite);
}
Decal::~Decal()
{
if (id != -1)
{
renderer->DeleteTexture(id);
id = -1;
}
}
void Renderable::Create(uint32_t width, uint32_t height, bool filter, bool clamp)
{
pSprite = std::make_unique<olc::Sprite>(width, height);
pDecal = std::make_unique<olc::Decal>(pSprite.get(), filter, clamp);
}
olc::rcode Renderable::Load(const std::string& sFile, ResourcePack* pack, bool filter, bool clamp)
{
pSprite = std::make_unique<olc::Sprite>();
if (pSprite->LoadFromFile(sFile, pack) == olc::rcode::OK)
{
pDecal = std::make_unique<olc::Decal>(pSprite.get(), filter, clamp);
return olc::rcode::OK;
}
else
{
pSprite.release();
pSprite = nullptr;
return olc::rcode::NO_FILE;
}
}
olc::Decal* Renderable::Decal() const
{ return pDecal.get(); }
olc::Sprite* Renderable::Sprite() const
{ return pSprite.get(); }
ResourceBuffer::ResourceBuffer(std::ifstream& ifs, uint32_t offset, uint32_t size)
{
vMemory.resize(size);
ifs.seekg(offset); ifs.read(vMemory.data(), vMemory.size());
setg(vMemory.data(), vMemory.data(), vMemory.data() + size);
}
ResourcePack::ResourcePack() { }
ResourcePack::~ResourcePack() { baseFile.close(); }
bool ResourcePack::AddFile(const std::string& sFile)
{
const std::string file = makeposix(sFile);
if (_gfs::exists(file))
{
sResourceFile e;
e.nSize = (uint32_t)_gfs::file_size(file);
e.nOffset = 0; mapFiles[file] = e;
return true;
}
return false;
}
bool ResourcePack::LoadPack(const std::string& sFile, const std::string& sKey)
{
baseFile.open(sFile, std::ifstream::binary);
if (!baseFile.is_open()) return false;
uint32_t nIndexSize = 0;
baseFile.read((char*)&nIndexSize, sizeof(uint32_t));
std::vector<char> buffer(nIndexSize);
for (uint32_t j = 0; j < nIndexSize; j++)
buffer[j] = baseFile.get();
std::vector<char> decoded = scramble(buffer, sKey);
size_t pos = 0;
auto read = [&decoded, &pos](char* dst, size_t size) {
memcpy((void*)dst, (const void*)(decoded.data() + pos), size);
pos += size;
};
auto get = [&read]() -> int { char c; read(&c, 1); return c; };
uint32_t nMapEntries = 0;
read((char*)&nMapEntries, sizeof(uint32_t));
for (uint32_t i = 0; i < nMapEntries; i++)
{
uint32_t nFilePathSize = 0;
read((char*)&nFilePathSize, sizeof(uint32_t));
std::string sFileName(nFilePathSize, ' ');
for (uint32_t j = 0; j < nFilePathSize; j++)
sFileName[j] = get();
sResourceFile e;
read((char*)&e.nSize, sizeof(uint32_t));
read((char*)&e.nOffset, sizeof(uint32_t));
mapFiles[sFileName] = e;
}
return true;
}
bool ResourcePack::SavePack(const std::string& sFile, const std::string& sKey)
{
std::ofstream ofs(sFile, std::ofstream::binary);
if (!ofs.is_open()) return false;
uint32_t nIndexSize = 0; ofs.write((char*)&nIndexSize, sizeof(uint32_t));
uint32_t nMapSize = uint32_t(mapFiles.size());
ofs.write((char*)&nMapSize, sizeof(uint32_t));
for (auto& e : mapFiles)
{
size_t nPathSize = e.first.size();
ofs.write((char*)&nPathSize, sizeof(uint32_t));
ofs.write(e.first.c_str(), nPathSize);
ofs.write((char*)&e.second.nSize, sizeof(uint32_t));
ofs.write((char*)&e.second.nOffset, sizeof(uint32_t));
}
std::streampos offset = ofs.tellp();
nIndexSize = (uint32_t)offset;
for (auto& e : mapFiles)
{
e.second.nOffset = (uint32_t)offset;
std::vector<uint8_t> vBuffer(e.second.nSize);
std::ifstream i(e.first, std::ifstream::binary);
i.read((char*)vBuffer.data(), e.second.nSize);
i.close();
ofs.write((char*)vBuffer.data(), e.second.nSize);
offset += e.second.nSize;
}
std::vector<char> stream;
auto write = [&stream](const char* data, size_t size) {
size_t sizeNow = stream.size();
stream.resize(sizeNow + size);
memcpy(stream.data() + sizeNow, data, size);
};
write((char*)&nMapSize, sizeof(uint32_t));
for (auto& e : mapFiles)
{
size_t nPathSize = e.first.size();
write((char*)&nPathSize, sizeof(uint32_t));
write(e.first.c_str(), nPathSize);
write((char*)&e.second.nSize, sizeof(uint32_t));
write((char*)&e.second.nOffset, sizeof(uint32_t));
}
std::vector<char> sIndexString = scramble(stream, sKey);
uint32_t nIndexStringLen = uint32_t(sIndexString.size());
ofs.seekp(0, std::ios::beg);
ofs.write((char*)&nIndexStringLen, sizeof(uint32_t));
ofs.write(sIndexString.data(), nIndexStringLen);
ofs.close();
return true;
}
ResourceBuffer ResourcePack::GetFileBuffer(const std::string& sFile)
{ return ResourceBuffer(baseFile, mapFiles[sFile].nOffset, mapFiles[sFile].nSize); }
bool ResourcePack::Loaded()
{ return baseFile.is_open(); }
std::vector<char> ResourcePack::scramble(const std::vector<char>& data, const std::string& key)
{
if (key.empty()) return data;
std::vector<char> o;
size_t c = 0;
for (auto s : data) o.push_back(s ^ key[(c++) % key.size()]);
return o;
};
std::string ResourcePack::makeposix(const std::string& path)
{
std::string o;
for (auto s : path) o += std::string(1, s == '\\' ? '/' : s);
return o;
};
PixelGameEngine::PixelGameEngine()
{
sAppName = "Undefined";
olc::PGEX::pge = this;
olc_ConfigureSystem();
}
PixelGameEngine::~PixelGameEngine()
{}
olc::rcode PixelGameEngine::Construct(int32_t screen_w, int32_t screen_h, int32_t pixel_w, int32_t pixel_h, bool full_screen, bool vsync, bool cohesion)
{
bPixelCohesion = cohesion;
vScreenSize = { screen_w, screen_h };
vInvScreenSize = { 1.0f / float(screen_w), 1.0f / float(screen_h) };
vPixelSize = { pixel_w, pixel_h };
vWindowSize = vScreenSize * vPixelSize;
bFullScreen = full_screen;
bEnableVSYNC = vsync;
vPixel = 2.0f / vScreenSize;
if (vPixelSize.x <= 0 || vPixelSize.y <= 0 || vScreenSize.x <= 0 || vScreenSize.y <= 0)
return olc::FAIL;
return olc::OK;
}
void PixelGameEngine::SetScreenSize(int w, int h)
{
vScreenSize = { w, h };
vInvScreenSize = { 1.0f / float(w), 1.0f / float(h) };
for (auto& layer : vLayers)
{
layer.pDrawTarget.Create(vScreenSize.x, vScreenSize.y);
layer.bUpdate = true;
}
SetDrawTarget(nullptr);
renderer->ClearBuffer(olc::BLACK, true);
renderer->DisplayFrame();
renderer->ClearBuffer(olc::BLACK, true);
renderer->UpdateViewport(vViewPos, vViewSize);
}
#if !defined(PGE_USE_CUSTOM_START)
olc::rcode PixelGameEngine::Start()
{
if (platform->ApplicationStartUp() != olc::OK) return olc::FAIL;
if (platform->CreateWindowPane({ 30,30 }, vWindowSize, bFullScreen) != olc::OK) return olc::FAIL;
olc_UpdateWindowSize(vWindowSize.x, vWindowSize.y);
bAtomActive = true;
std::thread t = std::thread(&PixelGameEngine::EngineThread, this);
platform->StartSystemEventLoop();
t.join();
if (platform->ApplicationCleanUp() != olc::OK) return olc::FAIL;
return olc::OK;
}
#endif
void PixelGameEngine::SetDrawTarget(Sprite* target)
{
if (target)
{
pDrawTarget = target;
}
else
{
nTargetLayer = 0;
pDrawTarget = vLayers[0].pDrawTarget.Sprite();
}
}
void PixelGameEngine::SetDrawTarget(uint8_t layer, bool bDirty)
{
if (layer < vLayers.size())
{
pDrawTarget = vLayers[layer].pDrawTarget.Sprite();
vLayers[layer].bUpdate = bDirty;
nTargetLayer = layer;
}
}
void PixelGameEngine::EnableLayer(uint8_t layer, bool b)
{ if (layer < vLayers.size()) vLayers[layer].bShow = b; }
void PixelGameEngine::SetLayerOffset(uint8_t layer, const olc::vf2d& offset)
{ SetLayerOffset(layer, offset.x, offset.y); }
void PixelGameEngine::SetLayerOffset(uint8_t layer, float x, float y)
{ if (layer < vLayers.size()) vLayers[layer].vOffset = { x, y }; }
void PixelGameEngine::SetLayerScale(uint8_t layer, const olc::vf2d& scale)
{ SetLayerScale(layer, scale.x, scale.y); }
void PixelGameEngine::SetLayerScale(uint8_t layer, float x, float y)
{ if (layer < vLayers.size()) vLayers[layer].vScale = { x, y }; }
void PixelGameEngine::SetLayerTint(uint8_t layer, const olc::Pixel& tint)
{ if (layer < vLayers.size()) vLayers[layer].tint = tint; }
void PixelGameEngine::SetLayerCustomRenderFunction(uint8_t layer, std::function<void()> f)
{ if (layer < vLayers.size()) vLayers[layer].funcHook = f; }
std::vector<LayerDesc>& PixelGameEngine::GetLayers()
{ return vLayers; }
uint32_t PixelGameEngine::CreateLayer()
{
LayerDesc ld;
ld.pDrawTarget.Create(vScreenSize.x, vScreenSize.y);
vLayers.push_back(std::move(ld));
return uint32_t(vLayers.size()) - 1;
}
Sprite* PixelGameEngine::GetDrawTarget() const
{ return pDrawTarget; }
int32_t PixelGameEngine::GetDrawTargetWidth() const
{
if (pDrawTarget)
return pDrawTarget->width;
else
return 0;
}
int32_t PixelGameEngine::GetDrawTargetHeight() const
{
if (pDrawTarget)
return pDrawTarget->height;
else
return 0;
}
uint32_t PixelGameEngine::GetFPS() const
{ return nLastFPS; }
bool PixelGameEngine::IsFocused() const
{ return bHasInputFocus; }
HWButton PixelGameEngine::GetKey(Key k) const
{ return pKeyboardState[k]; }
HWButton PixelGameEngine::GetMouse(uint32_t b) const
{ return pMouseState[b]; }
int32_t PixelGameEngine::GetMouseX() const
{ return vMousePos.x; }
int32_t PixelGameEngine::GetMouseY() const
{ return vMousePos.y; }
const olc::vi2d& PixelGameEngine::GetMousePos() const
{ return vMousePos; }
int32_t PixelGameEngine::GetMouseWheel() const
{ return nMouseWheelDelta; }
int32_t PixelGameEngine::ScreenWidth() const
{ return vScreenSize.x; }
int32_t PixelGameEngine::ScreenHeight() const
{ return vScreenSize.y; }
float PixelGameEngine::GetElapsedTime() const
{ return fLastElapsed; }
const olc::vi2d& PixelGameEngine::GetWindowSize() const
{ return vWindowSize; }
const olc::vi2d& PixelGameEngine::GetPixelSize() const
{ return vPixelSize; }
const olc::vi2d& PixelGameEngine::GetScreenPixelSize() const
{ return vScreenPixelSize; }
const olc::vi2d& PixelGameEngine::GetScreenSize() const
{ return vScreenSize; }
const olc::vi2d& PixelGameEngine::GetWindowMouse() const
{ return vMouseWindowPos; }
bool PixelGameEngine::Draw(const olc::vi2d& pos, Pixel p)
{ return Draw(pos.x, pos.y, p); }
bool PixelGameEngine::Draw(int32_t x, int32_t y, Pixel p)
{
if (!pDrawTarget) return false;
if (nPixelMode == Pixel::NORMAL)
{
return pDrawTarget->SetPixel(x, y, p);
}
if (nPixelMode == Pixel::MASK)
{
if (p.a == 255)
return pDrawTarget->SetPixel(x, y, p);
}
if (nPixelMode == Pixel::ALPHA)
{
Pixel d = pDrawTarget->GetPixel(x, y);
float a = (float)(p.a / 255.0f) * fBlendFactor;
float c = 1.0f - a;
float r = a * (float)p.r + c * (float)d.r;
float g = a * (float)p.g + c * (float)d.g;
float b = a * (float)p.b + c * (float)d.b;
return pDrawTarget->SetPixel(x, y, Pixel((uint8_t)r, (uint8_t)g, (uint8_t)b));
}
if (nPixelMode == Pixel::CUSTOM)
{
return pDrawTarget->SetPixel(x, y, funcPixelMode(x, y, p, pDrawTarget->GetPixel(x, y)));
}
return false;
}
void PixelGameEngine::DrawLine(const olc::vi2d& pos1, const olc::vi2d& pos2, Pixel p, uint32_t pattern)
{ DrawLine(pos1.x, pos1.y, pos2.x, pos2.y, p, pattern); }
void PixelGameEngine::DrawLine(int32_t x1, int32_t y1, int32_t x2, int32_t y2, Pixel p, uint32_t pattern)
{
int x, y, dx, dy, dx1, dy1, px, py, xe, ye, i;
dx = x2 - x1; dy = y2 - y1;
auto rol = [&](void) { pattern = (pattern << 1) | (pattern >> 31); return pattern & 1; };
olc::vi2d p1(x1, y1), p2(x2, y2);
x1 = p1.x; y1 = p1.y;
x2 = p2.x; y2 = p2.y;
if (dx == 0) {
if (y2 < y1) std::swap(y1, y2);
for (y = y1; y <= y2; y++) if (rol()) Draw(x1, y, p);
return;
}
if (dy == 0) {
if (x2 < x1) std::swap(x1, x2);
for (x = x1; x <= x2; x++) if (rol()) Draw(x, y1, p);
return;
}
dx1 = abs(dx); dy1 = abs(dy);
px = 2 * dy1 - dx1; py = 2 * dx1 - dy1;
if (dy1 <= dx1)
{
if (dx >= 0)
{
x = x1; y = y1; xe = x2;
}
else
{
x = x2; y = y2; xe = x1;
}
if (rol()) Draw(x, y, p);
for (i = 0; x < xe; i++)
{
x = x + 1;
if (px < 0)
px = px + 2 * dy1;
else
{
if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) y = y + 1; else y = y - 1;
px = px + 2 * (dy1 - dx1);
}
if (rol()) Draw(x, y, p);
}
}
else
{
if (dy >= 0)
{
x = x1; y = y1; ye = y2;
}
else
{
x = x2; y = y2; ye = y1;
}
if (rol()) Draw(x, y, p);
for (i = 0; y < ye; i++)
{
y = y + 1;
if (py <= 0)
py = py + 2 * dx1;
else
{
if ((dx < 0 && dy < 0) || (dx > 0 && dy > 0)) x = x + 1; else x = x - 1;
py = py + 2 * (dx1 - dy1);
}
if (rol()) Draw(x, y, p);
}
}
}
void PixelGameEngine::DrawCircle(const olc::vi2d& pos, int32_t radius, Pixel p, uint8_t mask)
{ DrawCircle(pos.x, pos.y, radius, p, mask); }
void PixelGameEngine::DrawCircle(int32_t x, int32_t y, int32_t radius, Pixel p, uint8_t mask)
{ if (radius < 0 || x < -radius || y < -radius || x - GetDrawTargetWidth() > radius || y - GetDrawTargetHeight() > radius)
return;
if (radius > 0)
{
int x0 = 0;
int y0 = radius;
int d = 3 - 2 * radius;
while (y0 >= x0) {
if (mask & 0x01) Draw(x + x0, y - y0, p); if (mask & 0x04) Draw(x + y0, y + x0, p); if (mask & 0x10) Draw(x - x0, y + y0, p); if (mask & 0x40) Draw(x - y0, y - x0, p); if (x0 != 0 && x0 != y0)
{
if (mask & 0x02) Draw(x + y0, y - x0, p); if (mask & 0x08) Draw(x + x0, y + y0, p); if (mask & 0x20) Draw(x - y0, y + x0, p); if (mask & 0x80) Draw(x - x0, y - y0, p); }
if (d < 0)
d += 4 * x0++ + 6;
else
d += 4 * (x0++ - y0--) + 10;
}
}
else
Draw(x, y, p);
}
void PixelGameEngine::FillCircle(const olc::vi2d& pos, int32_t radius, Pixel p)
{ FillCircle(pos.x, pos.y, radius, p); }
void PixelGameEngine::FillCircle(int32_t x, int32_t y, int32_t radius, Pixel p)
{ if (radius < 0 || x < -radius || y < -radius || x - GetDrawTargetWidth() > radius || y - GetDrawTargetHeight() > radius)
return;
if (radius > 0)
{
int x0 = 0;
int y0 = radius;
int d = 3 - 2 * radius;
auto drawline = [&](int sx, int ex, int y)
{
for (int x = sx; x <= ex; x++)
Draw(x, y, p);
};
while (y0 >= x0)
{
drawline(x - y0, x + y0, y - x0);
if (x0 > 0) drawline(x - y0, x + y0, y + x0);
if (d < 0)
d += 4 * x0++ + 6;
else
{
if (x0 != y0)
{
drawline(x - x0, x + x0, y - y0);
drawline(x - x0, x + x0, y + y0);
}
d += 4 * (x0++ - y0--) + 10;
}
}
}
else
Draw(x, y, p);
}
void PixelGameEngine::DrawRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p)
{ DrawRect(pos.x, pos.y, size.x, size.y, p); }
void PixelGameEngine::DrawRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p)
{
DrawLine(x, y, x + w, y, p);
DrawLine(x + w, y, x + w, y + h, p);
DrawLine(x + w, y + h, x, y + h, p);
DrawLine(x, y + h, x, y, p);
}
void PixelGameEngine::Clear(Pixel p)
{
int pixels = GetDrawTargetWidth() * GetDrawTargetHeight();
Pixel* m = GetDrawTarget()->GetData();
for (int i = 0; i < pixels; i++) m[i] = p;
}
void PixelGameEngine::ClearBuffer(Pixel p, bool bDepth)
{ renderer->ClearBuffer(p, bDepth); }
olc::Sprite* PixelGameEngine::GetFontSprite()
{ return fontRenderable.Sprite(); }
bool PixelGameEngine::ClipLineToScreen(olc::vi2d& in_p1, olc::vi2d& in_p2)
{
static constexpr int SEG_I = 0b0000, SEG_L = 0b0001, SEG_R = 0b0010, SEG_B = 0b0100, SEG_T = 0b1000;
auto Segment = [&vScreenSize = vScreenSize](const olc::vi2d& v)
{
int i = SEG_I;
if (v.x < 0) i |= SEG_L; else if (v.x > vScreenSize.x) i |= SEG_R;
if (v.y < 0) i |= SEG_B; else if (v.y > vScreenSize.y) i |= SEG_T;
return i;
};
int s1 = Segment(in_p1), s2 = Segment(in_p2);
while (true)
{
if (!(s1 | s2)) return true;
else if (s1 & s2) return false;
else
{
int s3 = s2 > s1 ? s2 : s1;
olc::vi2d n;
if (s3 & SEG_T) { n.x = in_p1.x + (in_p2.x - in_p1.x) * (vScreenSize.y - in_p1.y) / (in_p2.y - in_p1.y); n.y = vScreenSize.y; }
else if (s3 & SEG_B) { n.x = in_p1.x + (in_p2.x - in_p1.x) * (0 - in_p1.y) / (in_p2.y - in_p1.y); n.y = 0; }
else if (s3 & SEG_R) { n.x = vScreenSize.x; n.y = in_p1.y + (in_p2.y - in_p1.y) * (vScreenSize.x - in_p1.x) / (in_p2.x - in_p1.x); }
else if (s3 & SEG_L) { n.x = 0; n.y = in_p1.y + (in_p2.y - in_p1.y) * (0 - in_p1.x) / (in_p2.x - in_p1.x); }
if (s3 == s1) { in_p1 = n; s1 = Segment(in_p1); }
else { in_p2 = n; s2 = Segment(in_p2); }
}
}
return true;
}
void PixelGameEngine::EnablePixelTransfer(const bool bEnable)
{
bSuspendTextureTransfer = !bEnable;
}
void PixelGameEngine::FillRect(const olc::vi2d& pos, const olc::vi2d& size, Pixel p)
{ FillRect(pos.x, pos.y, size.x, size.y, p); }
void PixelGameEngine::FillRect(int32_t x, int32_t y, int32_t w, int32_t h, Pixel p)
{
int32_t x2 = x + w;
int32_t y2 = y + h;
if (x < 0) x = 0;
if (x >= (int32_t)GetDrawTargetWidth()) x = (int32_t)GetDrawTargetWidth();
if (y < 0) y = 0;
if (y >= (int32_t)GetDrawTargetHeight()) y = (int32_t)GetDrawTargetHeight();
if (x2 < 0) x2 = 0;
if (x2 >= (int32_t)GetDrawTargetWidth()) x2 = (int32_t)GetDrawTargetWidth();
if (y2 < 0) y2 = 0;
if (y2 >= (int32_t)GetDrawTargetHeight()) y2 = (int32_t)GetDrawTargetHeight();
for (int i = x; i < x2; i++)
for (int j = y; j < y2; j++)
Draw(i, j, p);
}
void PixelGameEngine::DrawTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p)
{ DrawTriangle(pos1.x, pos1.y, pos2.x, pos2.y, pos3.x, pos3.y, p); }
void PixelGameEngine::DrawTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p)
{
DrawLine(x1, y1, x2, y2, p);
DrawLine(x2, y2, x3, y3, p);
DrawLine(x3, y3, x1, y1, p);
}
void PixelGameEngine::FillTriangle(const olc::vi2d& pos1, const olc::vi2d& pos2, const olc::vi2d& pos3, Pixel p)
{ FillTriangle(pos1.x, pos1.y, pos2.x, pos2.y, pos3.x, pos3.y, p); }
void PixelGameEngine::FillTriangle(int32_t x1, int32_t y1, int32_t x2, int32_t y2, int32_t x3, int32_t y3, Pixel p)
{
auto drawline = [&](int sx, int ex, int ny) { for (int i = sx; i <= ex; i++) Draw(i, ny, p); };
int t1x, t2x, y, minx, maxx, t1xp, t2xp;
bool changed1 = false;
bool changed2 = false;
int signx1, signx2, dx1, dy1, dx2, dy2;
int e1, e2;
if (y1 > y2) { std::swap(y1, y2); std::swap(x1, x2); }
if (y1 > y3) { std::swap(y1, y3); std::swap(x1, x3); }
if (y2 > y3) { std::swap(y2, y3); std::swap(x2, x3); }
t1x = t2x = x1; y = y1; dx1 = (int)(x2 - x1);
if (dx1 < 0) { dx1 = -dx1; signx1 = -1; }
else signx1 = 1;
dy1 = (int)(y2 - y1);
dx2 = (int)(x3 - x1);
if (dx2 < 0) { dx2 = -dx2; signx2 = -1; }
else signx2 = 1;
dy2 = (int)(y3 - y1);
if (dy1 > dx1) { std::swap(dx1, dy1); changed1 = true; }
if (dy2 > dx2) { std::swap(dy2, dx2); changed2 = true; }
e2 = (int)(dx2 >> 1);
if (y1 == y2) goto next;
e1 = (int)(dx1 >> 1);
for (int i = 0; i < dx1;) {
t1xp = 0; t2xp = 0;
if (t1x < t2x) { minx = t1x; maxx = t2x; }
else { minx = t2x; maxx = t1x; }
while (i < dx1) {
i++;
e1 += dy1;
while (e1 >= dx1) {
e1 -= dx1;
if (changed1) t1xp = signx1; else goto next1;
}
if (changed1) break;
else t1x += signx1;
}
next1:
while (1) {
e2 += dy2;
while (e2 >= dx2) {
e2 -= dx2;
if (changed2) t2xp = signx2; else goto next2;
}
if (changed2) break;
else t2x += signx2;
}
next2:
if (minx > t1x) minx = t1x;
if (minx > t2x) minx = t2x;
if (maxx < t1x) maxx = t1x;
if (maxx < t2x) maxx = t2x;
drawline(minx, maxx, y); if (!changed1) t1x += signx1;
t1x += t1xp;
if (!changed2) t2x += signx2;
t2x += t2xp;
y += 1;
if (y == y2) break;
}
next:
dx1 = (int)(x3 - x2); if (dx1 < 0) { dx1 = -dx1; signx1 = -1; }
else signx1 = 1;
dy1 = (int)(y3 - y2);
t1x = x2;
if (dy1 > dx1) { std::swap(dy1, dx1);
changed1 = true;
}
else changed1 = false;
e1 = (int)(dx1 >> 1);
for (int i = 0; i <= dx1; i++) {
t1xp = 0; t2xp = 0;
if (t1x < t2x) { minx = t1x; maxx = t2x; }
else { minx = t2x; maxx = t1x; }
while (i < dx1) {
e1 += dy1;
while (e1 >= dx1) {
e1 -= dx1;
if (changed1) { t1xp = signx1; break; } else goto next3;
}
if (changed1) break;
else t1x += signx1;
if (i < dx1) i++;
}
next3:
while (t2x != x3) {
e2 += dy2;
while (e2 >= dx2) {
e2 -= dx2;
if (changed2) t2xp = signx2;
else goto next4;
}
if (changed2) break;
else t2x += signx2;
}
next4:
if (minx > t1x) minx = t1x;
if (minx > t2x) minx = t2x;
if (maxx < t1x) maxx = t1x;
if (maxx < t2x) maxx = t2x;
drawline(minx, maxx, y);
if (!changed1) t1x += signx1;
t1x += t1xp;
if (!changed2) t2x += signx2;
t2x += t2xp;
y += 1;
if (y > y3) return;
}
}
void PixelGameEngine::FillTexturedTriangle(const std::vector<olc::vf2d>& vPoints, std::vector<olc::vf2d> vTex, std::vector<olc::Pixel> vColour, olc::Sprite* sprTex)
{
olc::vi2d p1 = vPoints[0];
olc::vi2d p2 = vPoints[1];
olc::vi2d p3 = vPoints[2];
if (p2.y < p1.y){std::swap(p1.y, p2.y); std::swap(p1.x, p2.x); std::swap(vTex[0].x, vTex[1].x); std::swap(vTex[0].y, vTex[1].y); std::swap(vColour[0], vColour[1]);}
if (p3.y < p1.y){std::swap(p1.y, p3.y); std::swap(p1.x, p3.x); std::swap(vTex[0].x, vTex[2].x); std::swap(vTex[0].y, vTex[2].y); std::swap(vColour[0], vColour[2]);}
if (p3.y < p2.y){std::swap(p2.y, p3.y); std::swap(p2.x, p3.x); std::swap(vTex[1].x, vTex[2].x); std::swap(vTex[1].y, vTex[2].y); std::swap(vColour[1], vColour[2]);}
olc::vi2d dPos1 = p2 - p1;
olc::vf2d dTex1 = vTex[1] - vTex[0];
int dcr1 = vColour[1].r - vColour[0].r;
int dcg1 = vColour[1].g - vColour[0].g;
int dcb1 = vColour[1].b - vColour[0].b;
int dca1 = vColour[1].a - vColour[0].a;
olc::vi2d dPos2 = p3 - p1;
olc::vf2d dTex2 = vTex[2] - vTex[0];
int dcr2 = vColour[2].r - vColour[0].r;
int dcg2 = vColour[2].g - vColour[0].g;
int dcb2 = vColour[2].b - vColour[0].b;
int dca2 = vColour[2].a - vColour[0].a;
float dax_step = 0, dbx_step = 0, dcr1_step = 0, dcr2_step = 0, dcg1_step = 0, dcg2_step = 0, dcb1_step = 0, dcb2_step = 0, dca1_step = 0, dca2_step = 0;
olc::vf2d vTex1Step, vTex2Step;
if (dPos1.y)
{
dax_step = dPos1.x / (float)abs(dPos1.y);
vTex1Step = dTex1 / (float)abs(dPos1.y);
dcr1_step = dcr1 / (float)abs(dPos1.y);
dcg1_step = dcg1 / (float)abs(dPos1.y);
dcb1_step = dcb1 / (float)abs(dPos1.y);
dca1_step = dca1 / (float)abs(dPos1.y);
}
if (dPos2.y)
{
dbx_step = dPos2.x / (float)abs(dPos2.y);
vTex2Step = dTex2 / (float)abs(dPos2.y);
dcr2_step = dcr2 / (float)abs(dPos2.y);
dcg2_step = dcg2 / (float)abs(dPos2.y);
dcb2_step = dcb2 / (float)abs(dPos2.y);
dca2_step = dca2 / (float)abs(dPos2.y);
}
olc::vi2d vStart;
olc::vi2d vEnd;
int vStartIdx;
for (int pass = 0; pass < 2; pass++)
{
if (pass == 0)
{
vStart = p1; vEnd = p2; vStartIdx = 0;
}
else
{
dPos1 = p3 - p2;
dTex1 = vTex[2] - vTex[1];
dcr1 = vColour[2].r - vColour[1].r;
dcg1 = vColour[2].g - vColour[1].g;
dcb1 = vColour[2].b - vColour[1].b;
dca1 = vColour[2].a - vColour[1].a;
dcr1_step = 0; dcg1_step = 0; dcb1_step = 0; dca1_step = 0;
if (dPos2.y) dbx_step = dPos2.x / (float)abs(dPos2.y);
if (dPos1.y)
{
dax_step = dPos1.x / (float)abs(dPos1.y);
vTex1Step = dTex1 / (float)abs(dPos1.y);
dcr1_step = dcr1 / (float)abs(dPos1.y);
dcg1_step = dcg1 / (float)abs(dPos1.y);
dcb1_step = dcb1 / (float)abs(dPos1.y);
dca1_step = dca1 / (float)abs(dPos1.y);
}
vStart = p2; vEnd = p3; vStartIdx = 1;
}
if (dPos1.y)
{
for (int i = vStart.y; i <= vEnd.y; i++)
{
int ax = int(vStart.x + (float)(i - vStart.y) * dax_step);
int bx = int(p1.x + (float)(i - p1.y) * dbx_step);
olc::vf2d tex_s(vTex[vStartIdx].x + (float)(i - vStart.y) * vTex1Step.x, vTex[vStartIdx].y + (float)(i - vStart.y) * vTex1Step.y);
olc::vf2d tex_e(vTex[0].x + (float)(i - p1.y) * vTex2Step.x, vTex[0].y + (float)(i - p1.y) * vTex2Step.y);
olc::Pixel col_s(vColour[vStartIdx].r + uint8_t((float)(i - vStart.y) * dcr1_step), vColour[vStartIdx].g + uint8_t((float)(i - vStart.y) * dcg1_step),
vColour[vStartIdx].b + uint8_t((float)(i - vStart.y) * dcb1_step), vColour[vStartIdx].a + uint8_t((float)(i - vStart.y) * dca1_step));
olc::Pixel col_e(vColour[0].r + uint8_t((float)(i - p1.y) * dcr2_step), vColour[0].g + uint8_t((float)(i - p1.y) * dcg2_step),
vColour[0].b + uint8_t((float)(i - p1.y) * dcb2_step), vColour[0].a + uint8_t((float)(i - p1.y) * dca2_step));
if (ax > bx) { std::swap(ax, bx); std::swap(tex_s, tex_e); std::swap(col_s, col_e); }
float tstep = 1.0f / ((float)(bx - ax));
float t = 0.0f;
for (int j = ax; j < bx; j++)
{
olc::Pixel pixel = PixelLerp(col_s, col_e, t);
if (sprTex != nullptr) pixel *= sprTex->Sample(tex_s.lerp(tex_e, t));
Draw(j, i, pixel);
t += tstep;
}
}
}
}
}
void PixelGameEngine::FillTexturedPolygon(const std::vector<olc::vf2d>& vPoints, const std::vector<olc::vf2d>& vTex, const std::vector<olc::Pixel>& vColour, olc::Sprite* sprTex, olc::DecalStructure structure)
{
if (structure == olc::DecalStructure::LINE)
{
return; }
if (vPoints.size() < 3 || vTex.size() < 3 || vColour.size() < 3)
return;
if (structure == olc::DecalStructure::LIST)
{
for (int tri = 0; tri < vPoints.size() / 3; tri++)
{
std::vector<olc::vf2d> vP = { vPoints[tri * 3 + 0], vPoints[tri * 3 + 1], vPoints[tri * 3 + 2] };
std::vector<olc::vf2d> vT = { vTex[tri * 3 + 0], vTex[tri * 3 + 1], vTex[tri * 3 + 2] };
std::vector<olc::Pixel> vC = { vColour[tri * 3 + 0], vColour[tri * 3 + 1], vColour[tri * 3 + 2] };
FillTexturedTriangle(vP, vT, vC, sprTex);
}
return;
}
if (structure == olc::DecalStructure::STRIP)
{
for (int tri = 2; tri < vPoints.size(); tri++)
{
std::vector<olc::vf2d> vP = { vPoints[tri - 2], vPoints[tri-1], vPoints[tri] };
std::vector<olc::vf2d> vT = { vTex[tri - 2], vTex[tri - 1], vTex[tri] };
std::vector<olc::Pixel> vC = { vColour[tri - 2], vColour[tri - 1], vColour[tri] };
FillTexturedTriangle(vP, vT, vC, sprTex);
}
return;
}
if (structure == olc::DecalStructure::FAN)
{
for (int tri = 2; tri < vPoints.size(); tri++)
{
std::vector<olc::vf2d> vP = { vPoints[0], vPoints[tri - 1], vPoints[tri] };
std::vector<olc::vf2d> vT = { vTex[0], vTex[tri - 1], vTex[tri] };
std::vector<olc::Pixel> vC = { vColour[0], vColour[tri - 1], vColour[tri] };
FillTexturedTriangle(vP, vT, vC, sprTex);
}
return;
}
}
void PixelGameEngine::DrawSprite(const olc::vi2d& pos, Sprite* sprite, uint32_t scale, uint8_t flip)
{ DrawSprite(pos.x, pos.y, sprite, scale, flip); }
void PixelGameEngine::DrawSprite(int32_t x, int32_t y, Sprite* sprite, uint32_t scale, uint8_t flip)
{
if (sprite == nullptr)
return;
int32_t fxs = 0, fxm = 1, fx = 0;
int32_t fys = 0, fym = 1, fy = 0;
if (flip & olc::Sprite::Flip::HORIZ) { fxs = sprite->width - 1; fxm = -1; }
if (flip & olc::Sprite::Flip::VERT) { fys = sprite->height - 1; fym = -1; }
if (scale > 1)
{
fx = fxs;
for (int32_t i = 0; i < sprite->width; i++, fx += fxm)
{
fy = fys;
for (int32_t j = 0; j < sprite->height; j++, fy += fym)
for (uint32_t is = 0; is < scale; is++)
for (uint32_t js = 0; js < scale; js++)
Draw(x + (i * scale) + is, y + (j * scale) + js, sprite->GetPixel(fx, fy));
}
}
else
{
fx = fxs;
for (int32_t i = 0; i < sprite->width; i++, fx += fxm)
{
fy = fys;
for (int32_t j = 0; j < sprite->height; j++, fy += fym)
Draw(x + i, y + j, sprite->GetPixel(fx, fy));
}
}
}
void PixelGameEngine::DrawPartialSprite(const olc::vi2d& pos, Sprite* sprite, const olc::vi2d& sourcepos, const olc::vi2d& size, uint32_t scale, uint8_t flip)
{ DrawPartialSprite(pos.x, pos.y, sprite, sourcepos.x, sourcepos.y, size.x, size.y, scale, flip); }
void PixelGameEngine::DrawPartialSprite(int32_t x, int32_t y, Sprite* sprite, int32_t ox, int32_t oy, int32_t w, int32_t h, uint32_t scale, uint8_t flip)
{
if (sprite == nullptr)
return;
int32_t fxs = 0, fxm = 1, fx = 0;
int32_t fys = 0, fym = 1, fy = 0;
if (flip & olc::Sprite::Flip::HORIZ) { fxs = w - 1; fxm = -1; }
if (flip & olc::Sprite::Flip::VERT) { fys = h - 1; fym = -1; }
if (scale > 1)
{
fx = fxs;
for (int32_t i = 0; i < w; i++, fx += fxm)
{
fy = fys;
for (int32_t j = 0; j < h; j++, fy += fym)
for (uint32_t is = 0; is < scale; is++)
for (uint32_t js = 0; js < scale; js++)
Draw(x + (i * scale) + is, y + (j * scale) + js, sprite->GetPixel(fx + ox, fy + oy));
}
}
else
{
fx = fxs;
for (int32_t i = 0; i < w; i++, fx += fxm)
{
fy = fys;
for (int32_t j = 0; j < h; j++, fy += fym)
Draw(x + i, y + j, sprite->GetPixel(fx + ox, fy + oy));
}
}
}
void PixelGameEngine::SetDecalMode(const olc::DecalMode& mode)
{ nDecalMode = mode; }
void PixelGameEngine::SetDecalStructure(const olc::DecalStructure& structure)
{ nDecalStructure = structure; }
void PixelGameEngine::DrawPartialDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale, const olc::Pixel& tint)
{
olc::vf2d vScreenSpacePos =
{
(pos.x * vInvScreenSize.x) * 2.0f - 1.0f,
-((pos.y * vInvScreenSize.y) * 2.0f - 1.0f)
};
olc::vf2d vScreenSpaceDim =
{
((pos.x + source_size.x * scale.x) * vInvScreenSize.x) * 2.0f - 1.0f,
-(((pos.y + source_size.y * scale.y) * vInvScreenSize.y) * 2.0f - 1.0f)
};
olc::vf2d vWindow = olc::vf2d(vViewSize);
olc::vf2d vQuantisedPos = ((vScreenSpacePos * vWindow) + olc::vf2d(0.5f, 0.5f)).floor() / vWindow;
olc::vf2d vQuantisedDim = ((vScreenSpaceDim * vWindow) + olc::vf2d(0.5f, -0.5f)).ceil() / vWindow;
DecalInstance di;
di.points = 4;
di.decal = decal;
di.tint = { tint, tint, tint, tint };
di.pos = { { vQuantisedPos.x, vQuantisedPos.y }, { vQuantisedPos.x, vQuantisedDim.y }, { vQuantisedDim.x, vQuantisedDim.y }, { vQuantisedDim.x, vQuantisedPos.y } };
olc::vf2d uvtl = (source_pos + olc::vf2d(0.0001f, 0.0001f)) * decal->vUVScale;
olc::vf2d uvbr = (source_pos + source_size - olc::vf2d(0.0001f, 0.0001f)) * decal->vUVScale;
di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } };
di.w = { 1,1,1,1 };
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPartialDecal(const olc::vf2d& pos, const olc::vf2d& size, olc::Decal* decal, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint)
{
olc::vf2d vScreenSpacePos =
{
(pos.x * vInvScreenSize.x) * 2.0f - 1.0f,
((pos.y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f
};
olc::vf2d vScreenSpaceDim =
{
vScreenSpacePos.x + (2.0f * size.x * vInvScreenSize.x),
vScreenSpacePos.y - (2.0f * size.y * vInvScreenSize.y)
};
DecalInstance di;
di.points = 4;
di.decal = decal;
di.tint = { tint, tint, tint, tint };
di.pos = { { vScreenSpacePos.x, vScreenSpacePos.y }, { vScreenSpacePos.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpacePos.y } };
olc::vf2d uvtl = (source_pos) * decal->vUVScale;
olc::vf2d uvbr = uvtl + ((source_size) * decal->vUVScale);
di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } };
di.w = { 1,1,1,1 };
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawDecal(const olc::vf2d& pos, olc::Decal* decal, const olc::vf2d& scale, const olc::Pixel& tint)
{
olc::vf2d vScreenSpacePos =
{
(pos.x * vInvScreenSize.x) * 2.0f - 1.0f,
((pos.y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f
};
olc::vf2d vScreenSpaceDim =
{
vScreenSpacePos.x + (2.0f * (float(decal->sprite->width) * vInvScreenSize.x)) * scale.x,
vScreenSpacePos.y - (2.0f * (float(decal->sprite->height) * vInvScreenSize.y)) * scale.y
};
DecalInstance di;
di.decal = decal;
di.points = 4;
di.tint = { tint, tint, tint, tint };
di.pos = { { vScreenSpacePos.x, vScreenSpacePos.y }, { vScreenSpacePos.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpaceDim.y }, { vScreenSpaceDim.x, vScreenSpacePos.y } };
di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} };
di.w = { 1, 1, 1, 1 };
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawExplicitDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d* uv, const olc::Pixel* col, uint32_t elements)
{
DecalInstance di;
di.decal = decal;
di.pos.resize(elements);
di.uv.resize(elements);
di.w.resize(elements);
di.tint.resize(elements);
di.points = elements;
for (uint32_t i = 0; i < elements; i++)
{
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
di.uv[i] = uv[i];
di.tint[i] = col[i];
di.w[i] = 1.0f;
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const olc::Pixel tint)
{
DecalInstance di;
di.decal = decal;
di.points = uint32_t(pos.size());
di.pos.resize(di.points);
di.uv.resize(di.points);
di.w.resize(di.points);
di.tint.resize(di.points);
for (uint32_t i = 0; i < di.points; i++)
{
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
di.uv[i] = uv[i];
di.tint[i] = tint;
di.w[i] = 1.0f;
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const std::vector<olc::Pixel> &tint)
{
DecalInstance di;
di.decal = decal;
di.points = uint32_t(pos.size());
di.pos.resize(di.points);
di.uv.resize(di.points);
di.w.resize(di.points);
di.tint.resize(di.points);
for (uint32_t i = 0; i < di.points; i++)
{
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
di.uv[i] = uv[i];
di.tint[i] = tint[i];
di.w[i] = 1.0f;
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<olc::vf2d>& uv, const std::vector<olc::Pixel>& colours, const olc::Pixel tint)
{
std::vector<olc::Pixel> newColours(colours.size(), olc::WHITE);
std::transform(colours.begin(), colours.end(), newColours.begin(),
[&tint](const olc::Pixel pin) { return pin * tint; });
DrawPolygonDecal(decal, pos, uv, newColours);
}
void PixelGameEngine::DrawPolygonDecal(olc::Decal* decal, const std::vector<olc::vf2d>& pos, const std::vector<float>& depth, const std::vector<olc::vf2d>& uv, const olc::Pixel tint)
{
DecalInstance di;
di.decal = decal;
di.points = uint32_t(pos.size());
di.pos.resize(di.points);
di.uv.resize(di.points);
di.w.resize(di.points);
di.tint.resize(di.points);
for (uint32_t i = 0; i < di.points; i++)
{
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
di.uv[i] = uv[i];
di.tint[i] = tint;
di.w[i] = 1.0f;
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
#ifdef OLC_ENABLE_EXPERIMENTAL
void PixelGameEngine::LW3D_DrawTriangles(olc::Decal* decal, const std::vector<std::array<float, 3>>& pos, const std::vector<olc::vf2d>& tex, const std::vector<olc::Pixel>& col)
{
DecalInstance di;
di.decal = decal;
di.points = uint32_t(pos.size());
di.pos.resize(di.points);
di.uv.resize(di.points);
di.w.resize(di.points);
di.tint.resize(di.points);
for (uint32_t i = 0; i < di.points; i++)
{
di.pos[i] = { pos[i][0], pos[i][1] };
di.w[i] = pos[i][2];
di.uv[i] = tex[i];
di.tint[i] = col[i];
}
di.mode = DecalMode::MODEL3D;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
#endif
void PixelGameEngine::DrawLineDecal(const olc::vf2d& pos1, const olc::vf2d& pos2, Pixel p)
{
auto m = nDecalMode;
nDecalMode = olc::DecalMode::WIREFRAME;
DrawPolygonDecal(nullptr, { pos1, pos2 }, { {0, 0}, {0,0} }, p);
nDecalMode = m;
}
void PixelGameEngine::DrawRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col)
{
auto m = nDecalMode;
SetDecalMode(olc::DecalMode::WIREFRAME);
olc::vf2d vNewSize = size; std::array<olc::vf2d, 4> points = { { {pos}, {pos.x, pos.y + vNewSize.y}, {pos + vNewSize}, {pos.x + vNewSize.x, pos.y} } };
std::array<olc::vf2d, 4> uvs = { {{0,0},{0,0},{0,0},{0,0}} };
std::array<olc::Pixel, 4> cols = { {col, col, col, col} };
DrawExplicitDecal(nullptr, points.data(), uvs.data(), cols.data(), 4);
SetDecalMode(m);
}
void PixelGameEngine::FillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel col)
{
olc::vf2d vNewSize = size; std::array<olc::vf2d, 4> points = { { {pos}, {pos.x, pos.y + vNewSize.y}, {pos + vNewSize}, {pos.x + vNewSize.x, pos.y} } };
std::array<olc::vf2d, 4> uvs = { {{0,0},{0,0},{0,0},{0,0}} };
std::array<olc::Pixel, 4> cols = { {col, col, col, col} };
DrawExplicitDecal(nullptr, points.data(), uvs.data(), cols.data(), 4);
}
void PixelGameEngine::GradientFillRectDecal(const olc::vf2d& pos, const olc::vf2d& size, const olc::Pixel colTL, const olc::Pixel colBL, const olc::Pixel colBR, const olc::Pixel colTR)
{
std::array<olc::vf2d, 4> points = { { {pos}, {pos.x, pos.y + size.y}, {pos + size}, {pos.x + size.x, pos.y} } };
std::array<olc::vf2d, 4> uvs = { {{0,0},{0,0},{0,0},{0,0}} };
std::array<olc::Pixel, 4> cols = { {colTL, colBL, colBR, colTR} };
DrawExplicitDecal(nullptr, points.data(), uvs.data(), cols.data(), 4);
}
void PixelGameEngine::DrawRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& scale, const olc::Pixel& tint)
{
DecalInstance di;
di.decal = decal;
di.pos.resize(4);
di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} };
di.w = { 1, 1, 1, 1 };
di.tint = { tint, tint, tint, tint };
di.points = 4;
di.pos[0] = (olc::vf2d(0.0f, 0.0f) - center) * scale;
di.pos[1] = (olc::vf2d(0.0f, float(decal->sprite->height)) - center) * scale;
di.pos[2] = (olc::vf2d(float(decal->sprite->width), float(decal->sprite->height)) - center) * scale;
di.pos[3] = (olc::vf2d(float(decal->sprite->width), 0.0f) - center) * scale;
float c = cos(fAngle), s = sin(fAngle);
for (int i = 0; i < 4; i++)
{
di.pos[i] = pos + olc::vf2d(di.pos[i].x * c - di.pos[i].y * s, di.pos[i].x * s + di.pos[i].y * c);
di.pos[i] = di.pos[i] * vInvScreenSize * 2.0f - olc::vf2d(1.0f, 1.0f);
di.pos[i].y *= -1.0f;
di.w[i] = 1;
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPartialRotatedDecal(const olc::vf2d& pos, olc::Decal* decal, const float fAngle, const olc::vf2d& center, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::vf2d& scale, const olc::Pixel& tint)
{
DecalInstance di;
di.decal = decal;
di.points = 4;
di.tint = { tint, tint, tint, tint };
di.w = { 1, 1, 1, 1 };
di.pos.resize(4);
di.pos[0] = (olc::vf2d(0.0f, 0.0f) - center) * scale;
di.pos[1] = (olc::vf2d(0.0f, source_size.y) - center) * scale;
di.pos[2] = (olc::vf2d(source_size.x, source_size.y) - center) * scale;
di.pos[3] = (olc::vf2d(source_size.x, 0.0f) - center) * scale;
float c = cos(fAngle), s = sin(fAngle);
for (int i = 0; i < 4; i++)
{
di.pos[i] = pos + olc::vf2d(di.pos[i].x * c - di.pos[i].y * s, di.pos[i].x * s + di.pos[i].y * c);
di.pos[i] = di.pos[i] * vInvScreenSize * 2.0f - olc::vf2d(1.0f, 1.0f);
di.pos[i].y *= -1.0f;
}
olc::vf2d uvtl = source_pos * decal->vUVScale;
olc::vf2d uvbr = uvtl + (source_size * decal->vUVScale);
di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } };
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint)
{
DecalInstance di;
di.points = 4;
di.decal = decal;
di.tint = { tint, tint, tint, tint };
di.w = { 1, 1, 1, 1 };
di.pos.resize(4);
di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} };
olc::vf2d center;
float rd = ((pos[2].x - pos[0].x) * (pos[3].y - pos[1].y) - (pos[3].x - pos[1].x) * (pos[2].y - pos[0].y));
if (rd != 0)
{
olc::vf2d uvtl = source_pos * decal->vUVScale;
olc::vf2d uvbr = uvtl + (source_size * decal->vUVScale);
di.uv = { { uvtl.x, uvtl.y }, { uvtl.x, uvbr.y }, { uvbr.x, uvbr.y }, { uvbr.x, uvtl.y } };
rd = 1.0f / rd;
float rn = ((pos[3].x - pos[1].x) * (pos[0].y - pos[1].y) - (pos[3].y - pos[1].y) * (pos[0].x - pos[1].x)) * rd;
float sn = ((pos[2].x - pos[0].x) * (pos[0].y - pos[1].y) - (pos[2].y - pos[0].y) * (pos[0].x - pos[1].x)) * rd;
if (!(rn < 0.f || rn > 1.f || sn < 0.f || sn > 1.f)) center = pos[0] + rn * (pos[2] - pos[0]);
float d[4]; for (int i = 0; i < 4; i++) d[i] = (pos[i] - center).mag();
for (int i = 0; i < 4; i++)
{
float q = d[i] == 0.0f ? 1.0f : (d[i] + d[(i + 2) & 3]) / d[(i + 2) & 3];
di.uv[i] *= q; di.w[i] *= q;
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
}
void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const olc::vf2d* pos, const olc::Pixel& tint)
{
DecalInstance di;
di.points = 4;
di.decal = decal;
di.tint = { tint, tint, tint, tint };
di.w = { 1, 1, 1, 1 };
di.pos.resize(4);
di.uv = { { 0.0f, 0.0f}, {0.0f, 1.0f}, {1.0f, 1.0f}, {1.0f, 0.0f} };
olc::vf2d center;
float rd = ((pos[2].x - pos[0].x) * (pos[3].y - pos[1].y) - (pos[3].x - pos[1].x) * (pos[2].y - pos[0].y));
if (rd != 0)
{
rd = 1.0f / rd;
float rn = ((pos[3].x - pos[1].x) * (pos[0].y - pos[1].y) - (pos[3].y - pos[1].y) * (pos[0].x - pos[1].x)) * rd;
float sn = ((pos[2].x - pos[0].x) * (pos[0].y - pos[1].y) - (pos[2].y - pos[0].y) * (pos[0].x - pos[1].x)) * rd;
if (!(rn < 0.f || rn > 1.f || sn < 0.f || sn > 1.f)) center = pos[0] + rn * (pos[2] - pos[0]);
float d[4]; for (int i = 0; i < 4; i++) d[i] = (pos[i] - center).mag();
for (int i = 0; i < 4; i++)
{
float q = d[i] == 0.0f ? 1.0f : (d[i] + d[(i + 2) & 3]) / d[(i + 2) & 3];
di.uv[i] *= q; di.w[i] *= q;
di.pos[i] = { (pos[i].x * vInvScreenSize.x) * 2.0f - 1.0f, ((pos[i].y * vInvScreenSize.y) * 2.0f - 1.0f) * -1.0f };
}
di.mode = nDecalMode;
di.structure = nDecalStructure;
vLayers[nTargetLayer].vecDecalInstance.push_back(di);
}
}
void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const std::array<olc::vf2d, 4>& pos, const olc::Pixel& tint)
{ DrawWarpedDecal(decal, pos.data(), tint); }
void PixelGameEngine::DrawWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::Pixel& tint)
{ DrawWarpedDecal(decal, &pos[0], tint); }
void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const std::array<olc::vf2d, 4>& pos, const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint)
{ DrawPartialWarpedDecal(decal, pos.data(), source_pos, source_size, tint); }
void PixelGameEngine::DrawPartialWarpedDecal(olc::Decal* decal, const olc::vf2d(&pos)[4], const olc::vf2d& source_pos, const olc::vf2d& source_size, const olc::Pixel& tint)
{ DrawPartialWarpedDecal(decal, &pos[0], source_pos, source_size, tint); }
void PixelGameEngine::DrawStringDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col, const olc::vf2d& scale)
{
olc::vf2d spos = { 0.0f, 0.0f };
for (auto c : sText)
{
if (c == '\n')
{
spos.x = 0; spos.y += 8.0f * scale.y;
}
else if (c == '\t')
{
spos.x += 8.0f * float(nTabSizeInSpaces) * scale.x;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
DrawPartialDecal(pos + spos, fontRenderable.Decal(), {float(ox) * 8.0f, float(oy) * 8.0f}, {8.0f, 8.0f}, scale, col);
spos.x += 8.0f * scale.x;
}
}
}
void PixelGameEngine::DrawStringPropDecal(const olc::vf2d& pos, const std::string& sText, const Pixel col, const olc::vf2d& scale)
{
olc::vf2d spos = { 0.0f, 0.0f };
for (auto c : sText)
{
if (c == '\n')
{
spos.x = 0; spos.y += 8.0f * scale.y;
}
else if (c == '\t')
{
spos.x += 8.0f * float(nTabSizeInSpaces) * scale.x;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
DrawPartialDecal(pos + spos, fontRenderable.Decal(), { float(ox) * 8.0f + float(vFontSpacing[c - 32].x), float(oy) * 8.0f }, { float(vFontSpacing[c - 32].y), 8.0f }, scale, col);
spos.x += float(vFontSpacing[c - 32].y) * scale.x;
}
}
}
void PixelGameEngine::DrawRotatedStringDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center, const Pixel col, const olc::vf2d& scale)
{
olc::vf2d spos = center;
for (auto c : sText)
{
if (c == '\n')
{
spos.x = center.x; spos.y -= 8.0f;
}
else if (c == '\t')
{
spos.x += 8.0f * float(nTabSizeInSpaces) * scale.x;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
DrawPartialRotatedDecal(pos, fontRenderable.Decal(), fAngle, spos, { float(ox) * 8.0f, float(oy) * 8.0f }, { 8.0f, 8.0f }, scale, col);
spos.x -= 8.0f;
}
}
}
void PixelGameEngine::DrawRotatedStringPropDecal(const olc::vf2d& pos, const std::string& sText, const float fAngle, const olc::vf2d& center, const Pixel col, const olc::vf2d& scale)
{
olc::vf2d spos = center;
for (auto c : sText)
{
if (c == '\n')
{
spos.x = center.x; spos.y -= 8.0f;
}
else if (c == '\t')
{
spos.x += 8.0f * float(nTabSizeInSpaces) * scale.x;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
DrawPartialRotatedDecal(pos, fontRenderable.Decal(), fAngle, spos, { float(ox) * 8.0f + float(vFontSpacing[c - 32].x), float(oy) * 8.0f }, { float(vFontSpacing[c - 32].y), 8.0f }, scale, col);
spos.x -= float(vFontSpacing[c - 32].y);
}
}
}
olc::vi2d PixelGameEngine::GetTextSize(const std::string& s)
{
olc::vi2d size = { 0,1 };
olc::vi2d pos = { 0,1 };
for (auto c : s)
{
if (c == '\n') { pos.y++; pos.x = 0; }
else if (c == '\t') { pos.x += nTabSizeInSpaces; }
else pos.x++;
size.x = std::max(size.x, pos.x);
size.y = std::max(size.y, pos.y);
}
return size * 8;
}
void PixelGameEngine::DrawString(const olc::vi2d& pos, const std::string& sText, Pixel col, uint32_t scale)
{ DrawString(pos.x, pos.y, sText, col, scale); }
void PixelGameEngine::DrawString(int32_t x, int32_t y, const std::string& sText, Pixel col, uint32_t scale)
{
int32_t sx = 0;
int32_t sy = 0;
Pixel::Mode m = nPixelMode;
if (m != Pixel::CUSTOM) {
if (col.a != 255) SetPixelMode(Pixel::ALPHA);
else SetPixelMode(Pixel::MASK);
}
for (auto c : sText)
{
if (c == '\n')
{
sx = 0; sy += 8 * scale;
}
else if (c == '\t')
{
sx += 8 * nTabSizeInSpaces * scale;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
if (scale > 1)
{
for (uint32_t i = 0; i < 8; i++)
for (uint32_t j = 0; j < 8; j++)
if (fontRenderable.Sprite()->GetPixel(i + ox * 8, j + oy * 8).r > 0)
for (uint32_t is = 0; is < scale; is++)
for (uint32_t js = 0; js < scale; js++)
Draw(x + sx + (i * scale) + is, y + sy + (j * scale) + js, col);
}
else
{
for (uint32_t i = 0; i < 8; i++)
for (uint32_t j = 0; j < 8; j++)
if (fontRenderable.Sprite()->GetPixel(i + ox * 8, j + oy * 8).r > 0)
Draw(x + sx + i, y + sy + j, col);
}
sx += 8 * scale;
}
}
SetPixelMode(m);
}
olc::vi2d PixelGameEngine::GetTextSizeProp(const std::string& s)
{
olc::vi2d size = { 0,1 };
olc::vi2d pos = { 0,1 };
for (auto c : s)
{
if (c == '\n') { pos.y += 1; pos.x = 0; }
else if (c == '\t') { pos.x += nTabSizeInSpaces * 8; }
else pos.x += vFontSpacing[c - 32].y;
size.x = std::max(size.x, pos.x);
size.y = std::max(size.y, pos.y);
}
size.y *= 8;
return size;
}
void PixelGameEngine::DrawStringProp(const olc::vi2d& pos, const std::string& sText, Pixel col, uint32_t scale)
{ DrawStringProp(pos.x, pos.y, sText, col, scale); }
void PixelGameEngine::DrawStringProp(int32_t x, int32_t y, const std::string& sText, Pixel col, uint32_t scale)
{
int32_t sx = 0;
int32_t sy = 0;
Pixel::Mode m = nPixelMode;
if (m != Pixel::CUSTOM)
{
if (col.a != 255) SetPixelMode(Pixel::ALPHA);
else SetPixelMode(Pixel::MASK);
}
for (auto c : sText)
{
if (c == '\n')
{
sx = 0; sy += 8 * scale;
}
else if (c == '\t')
{
sx += 8 * nTabSizeInSpaces * scale;
}
else
{
int32_t ox = (c - 32) % 16;
int32_t oy = (c - 32) / 16;
if (scale > 1)
{
for (int32_t i = 0; i < vFontSpacing[c - 32].y; i++)
for (int32_t j = 0; j < 8; j++)
if (fontRenderable.Sprite()->GetPixel(i + ox * 8 + vFontSpacing[c - 32].x, j + oy * 8).r > 0)
for (int32_t is = 0; is < int(scale); is++)
for (int32_t js = 0; js < int(scale); js++)
Draw(x + sx + (i * scale) + is, y + sy + (j * scale) + js, col);
}
else
{
for (int32_t i = 0; i < vFontSpacing[c - 32].y; i++)
for (int32_t j = 0; j < 8; j++)
if (fontRenderable.Sprite()->GetPixel(i + ox * 8 + vFontSpacing[c - 32].x, j + oy * 8).r > 0)
Draw(x + sx + i, y + sy + j, col);
}
sx += vFontSpacing[c - 32].y * scale;
}
}
SetPixelMode(m);
}
void PixelGameEngine::SetPixelMode(Pixel::Mode m)
{ nPixelMode = m; }
Pixel::Mode PixelGameEngine::GetPixelMode()
{ return nPixelMode; }
void PixelGameEngine::SetPixelMode(std::function<olc::Pixel(const int x, const int y, const olc::Pixel&, const olc::Pixel&)> pixelMode)
{
funcPixelMode = pixelMode;
nPixelMode = Pixel::Mode::CUSTOM;
}
void PixelGameEngine::SetPixelBlend(float fBlend)
{
fBlendFactor = fBlend;
if (fBlendFactor < 0.0f) fBlendFactor = 0.0f;
if (fBlendFactor > 1.0f) fBlendFactor = 1.0f;
}
std::stringstream& PixelGameEngine::ConsoleOut()
{ return ssConsoleOutput; }
bool PixelGameEngine::IsConsoleShowing() const
{ return bConsoleShow; }
void PixelGameEngine::ConsoleShow(const olc::Key& keyExit, bool bSuspendTime)
{
if (bConsoleShow)
return;
bConsoleShow = true;
bConsoleSuspendTime = bSuspendTime;
TextEntryEnable(true);
keyConsoleExit = keyExit;
pKeyboardState[keyConsoleExit].bHeld = false;
pKeyboardState[keyConsoleExit].bPressed = false;
pKeyboardState[keyConsoleExit].bReleased = true;
}
void PixelGameEngine::ConsoleClear()
{ sConsoleLines.clear(); }
void PixelGameEngine::ConsoleCaptureStdOut(const bool bCapture)
{
if(bCapture)
sbufOldCout = std::cout.rdbuf(ssConsoleOutput.rdbuf());
else
std::cout.rdbuf(sbufOldCout);
}
void PixelGameEngine::UpdateConsole()
{
if (GetKey(keyConsoleExit).bPressed)
{
TextEntryEnable(false);
bConsoleSuspendTime = false;
bConsoleShow = false;
return;
}
vConsoleCharacterScale = olc::vf2d(1.0f, 2.0f) / (olc::vf2d(vViewSize) * vInvScreenSize);
vConsoleSize = (vViewSize / olc::vi2d(8, 16)) - olc::vi2d(2, 4);
if (vConsoleSize.y != sConsoleLines.size())
{
vConsoleCursor = { 0,0 };
sConsoleLines.clear();
sConsoleLines.resize(vConsoleSize.y);
}
auto TypeCharacter = [&](const char c)
{
if (c >= 32 && c < 127)
{
sConsoleLines[vConsoleCursor.y].append(1, c);
vConsoleCursor.x++;
}
if( c == '\n' || vConsoleCursor.x >= vConsoleSize.x)
{
vConsoleCursor.y++; vConsoleCursor.x = 0;
}
if (vConsoleCursor.y >= vConsoleSize.y)
{
vConsoleCursor.y = vConsoleSize.y - 1;
for (size_t i = 1; i < vConsoleSize.y; i++)
sConsoleLines[i - 1] = sConsoleLines[i];
sConsoleLines[vConsoleCursor.y].clear();
}
};
while (ssConsoleOutput.rdbuf()->sgetc() != -1)
{
char c = ssConsoleOutput.rdbuf()->sbumpc();
TypeCharacter(c);
}
GradientFillRectDecal({ 0,0 }, olc::vf2d(vScreenSize), olc::PixelF(0, 0, 0.5f, 0.5f), olc::PixelF(0, 0, 0.25f, 0.5f), olc::PixelF(0, 0, 0.25f, 0.5f), olc::PixelF(0, 0, 0.25f, 0.5f));
SetDecalMode(olc::DecalMode::NORMAL);
for (int32_t nLine = 0; nLine < vConsoleSize.y; nLine++)
DrawStringDecal(olc::vf2d( 1, 1 + float(nLine) ) * vConsoleCharacterScale * 8.0f, sConsoleLines[nLine], olc::WHITE, vConsoleCharacterScale);
FillRectDecal(olc::vf2d(1 + float((TextEntryGetCursor() + 1)), 1 + float((vConsoleSize.y - 1))) * vConsoleCharacterScale * 8.0f, olc::vf2d(8, 8) * vConsoleCharacterScale, olc::DARK_CYAN);
DrawStringDecal(olc::vf2d(1, 1 + float((vConsoleSize.y - 1))) * vConsoleCharacterScale * 8.0f, std::string(">") + TextEntryGetString(), olc::YELLOW, vConsoleCharacterScale);
}
const std::vector<std::string>& PixelGameEngine::GetDroppedFiles() const
{ return vDroppedFiles; }
const olc::vi2d& PixelGameEngine::GetDroppedFilesPoint() const
{ return vDroppedFilesPoint; }
void PixelGameEngine::TextEntryEnable(const bool bEnable, const std::string& sText)
{
if (bEnable)
{
nTextEntryCursor = int32_t(sText.size());
sTextEntryString = sText;
bTextEntryEnable = true;
}
else
{
bTextEntryEnable = false;
}
}
std::string PixelGameEngine::TextEntryGetString() const
{ return sTextEntryString; }
int32_t PixelGameEngine::TextEntryGetCursor() const
{ return nTextEntryCursor; }
bool PixelGameEngine::IsTextEntryEnabled() const
{ return bTextEntryEnable; }
void PixelGameEngine::UpdateTextEntry()
{
for (const auto& key : vKeyboardMap)
if (GetKey(std::get<0>(key)).bPressed)
{
sTextEntryString.insert(nTextEntryCursor, GetKey(olc::Key::SHIFT).bHeld ? std::get<2>(key) : std::get<1>(key));
nTextEntryCursor++;
}
if (GetKey(olc::Key::LEFT).bPressed)
nTextEntryCursor = std::max(0, nTextEntryCursor - 1);
if (GetKey(olc::Key::RIGHT).bPressed)
nTextEntryCursor = std::min(int32_t(sTextEntryString.size()), nTextEntryCursor + 1);
if (GetKey(olc::Key::BACK).bPressed && nTextEntryCursor > 0)
{
sTextEntryString.erase(nTextEntryCursor-1, 1);
nTextEntryCursor = std::max(0, nTextEntryCursor - 1);
}
if (GetKey(olc::Key::DEL).bPressed && nTextEntryCursor < sTextEntryString.size())
sTextEntryString.erase(nTextEntryCursor, 1);
if (GetKey(olc::Key::UP).bPressed)
{
if (!sCommandHistory.empty())
{
if (sCommandHistoryIt != sCommandHistory.begin())
sCommandHistoryIt--;
nTextEntryCursor = int32_t(sCommandHistoryIt->size());
sTextEntryString = *sCommandHistoryIt;
}
}
if (GetKey(olc::Key::DOWN).bPressed)
{
if (!sCommandHistory.empty())
{
if (sCommandHistoryIt != sCommandHistory.end())
{
sCommandHistoryIt++;
if (sCommandHistoryIt != sCommandHistory.end())
{
nTextEntryCursor = int32_t(sCommandHistoryIt->size());
sTextEntryString = *sCommandHistoryIt;
}
else
{
nTextEntryCursor = 0;
sTextEntryString = "";
}
}
}
}
if (GetKey(olc::Key::ENTER).bPressed)
{
if (bConsoleShow)
{
std::cout << ">" + sTextEntryString + "\n";
if (OnConsoleCommand(sTextEntryString))
{
sCommandHistory.push_back(sTextEntryString);
sCommandHistoryIt = sCommandHistory.end();
}
sTextEntryString.clear();
nTextEntryCursor = 0;
}
else
{
OnTextEntryComplete(sTextEntryString);
TextEntryEnable(false);
}
}
}
bool PixelGameEngine::OnUserCreate()
{ return false; }
bool PixelGameEngine::OnUserUpdate(float fElapsedTime)
{ UNUSED(fElapsedTime); return false; }
bool PixelGameEngine::OnUserDestroy()
{ return true; }
void PixelGameEngine::OnTextEntryComplete(const std::string& sText) { UNUSED(sText); }
bool PixelGameEngine::OnConsoleCommand(const std::string& sCommand) { UNUSED(sCommand); return false; }
void PixelGameEngine::olc_UpdateViewport()
{
int32_t ww = vScreenSize.x * vPixelSize.x;
int32_t wh = vScreenSize.y * vPixelSize.y;
float wasp = (float)ww / (float)wh;
if (bPixelCohesion)
{
vScreenPixelSize = (vWindowSize / vScreenSize);
vViewSize = (vWindowSize / vScreenSize) * vScreenSize;
}
else
{
vViewSize.x = (int32_t)vWindowSize.x;
vViewSize.y = (int32_t)((float)vViewSize.x / wasp);
if (vViewSize.y > vWindowSize.y)
{
vViewSize.y = vWindowSize.y;
vViewSize.x = (int32_t)((float)vViewSize.y * wasp);
}
}
vViewPos = (vWindowSize - vViewSize) / 2;
}
void PixelGameEngine::olc_UpdateWindowSize(int32_t x, int32_t y)
{
vWindowSize = { x, y };
olc_UpdateViewport();
}
void PixelGameEngine::olc_UpdateMouseWheel(int32_t delta)
{ nMouseWheelDeltaCache += delta; }
void PixelGameEngine::olc_UpdateMouse(int32_t x, int32_t y)
{
bHasMouseFocus = true;
vMouseWindowPos = { x, y };
x -= vViewPos.x;
y -= vViewPos.y;
vMousePosCache.x = (int32_t)(((float)x / (float)(vWindowSize.x - (vViewPos.x * 2)) * (float)vScreenSize.x));
vMousePosCache.y = (int32_t)(((float)y / (float)(vWindowSize.y - (vViewPos.y * 2)) * (float)vScreenSize.y));
if (vMousePosCache.x >= (int32_t)vScreenSize.x) vMousePosCache.x = vScreenSize.x - 1;
if (vMousePosCache.y >= (int32_t)vScreenSize.y) vMousePosCache.y = vScreenSize.y - 1;
if (vMousePosCache.x < 0) vMousePosCache.x = 0;
if (vMousePosCache.y < 0) vMousePosCache.y = 0;
}
void PixelGameEngine::olc_UpdateMouseState(int32_t button, bool state)
{ pMouseNewState[button] = state; }
void PixelGameEngine::olc_UpdateKeyState(int32_t key, bool state)
{ pKeyNewState[key] = state; }
void PixelGameEngine::olc_UpdateMouseFocus(bool state)
{ bHasMouseFocus = state; }
void PixelGameEngine::olc_UpdateKeyFocus(bool state)
{ bHasInputFocus = state; }
void PixelGameEngine::olc_DropFiles(int32_t x, int32_t y, const std::vector<std::string>& vFiles)
{
x -= vViewPos.x;
y -= vViewPos.y;
vDroppedFilesPointCache.x = (int32_t)(((float)x / (float)(vWindowSize.x - (vViewPos.x * 2)) * (float)vScreenSize.x));
vDroppedFilesPointCache.y = (int32_t)(((float)y / (float)(vWindowSize.y - (vViewPos.y * 2)) * (float)vScreenSize.y));
if (vDroppedFilesPointCache.x >= (int32_t)vScreenSize.x) vDroppedFilesPointCache.x = vScreenSize.x - 1;
if (vDroppedFilesPointCache.y >= (int32_t)vScreenSize.y) vDroppedFilesPointCache.y = vScreenSize.y - 1;
if (vDroppedFilesPointCache.x < 0) vDroppedFilesPointCache.x = 0;
if (vDroppedFilesPointCache.y < 0) vDroppedFilesPointCache.y = 0;
vDroppedFilesCache = vFiles;
}
void PixelGameEngine::olc_Reanimate()
{ bAtomActive = true; }
bool PixelGameEngine::olc_IsRunning()
{ return bAtomActive; }
void PixelGameEngine::olc_Terminate()
{ bAtomActive = false; }
void PixelGameEngine::EngineThread()
{
if (platform->ThreadStartUp() == olc::FAIL) return;
olc_PrepareEngine();
for (auto& ext : vExtensions) ext->OnBeforeUserCreate();
if (!OnUserCreate()) bAtomActive = false;
for (auto& ext : vExtensions) ext->OnAfterUserCreate();
while (bAtomActive)
{
while (bAtomActive) { olc_CoreUpdate(); }
if (!OnUserDestroy())
{
bAtomActive = true;
}
}
platform->ThreadCleanUp();
}
void PixelGameEngine::olc_PrepareEngine()
{
if (platform->CreateGraphics(bFullScreen, bEnableVSYNC, vViewPos, vViewSize) == olc::FAIL) return;
olc_ConstructFontSheet();
CreateLayer();
vLayers[0].bUpdate = true;
vLayers[0].bShow = true;
SetDrawTarget(nullptr);
m_tp1 = std::chrono::system_clock::now();
m_tp2 = std::chrono::system_clock::now();
}
void PixelGameEngine::olc_CoreUpdate()
{
m_tp2 = std::chrono::system_clock::now();
std::chrono::duration<float> elapsedTime = m_tp2 - m_tp1;
m_tp1 = m_tp2;
float fElapsedTime = elapsedTime.count();
fLastElapsed = fElapsedTime;
if (bConsoleSuspendTime)
fElapsedTime = 0.0f;
platform->HandleSystemEvent();
auto ScanHardware = [&](HWButton* pKeys, bool* pStateOld, bool* pStateNew, uint32_t nKeyCount)
{
for (uint32_t i = 0; i < nKeyCount; i++)
{
pKeys[i].bPressed = false;
pKeys[i].bReleased = false;
if (pStateNew[i] != pStateOld[i])
{
if (pStateNew[i])
{
pKeys[i].bPressed = !pKeys[i].bHeld;
pKeys[i].bHeld = true;
}
else
{
pKeys[i].bReleased = true;
pKeys[i].bHeld = false;
}
}
pStateOld[i] = pStateNew[i];
}
};
ScanHardware(pKeyboardState, pKeyOldState, pKeyNewState, 256);
ScanHardware(pMouseState, pMouseOldState, pMouseNewState, nMouseButtons);
vMousePos = vMousePosCache;
nMouseWheelDelta = nMouseWheelDeltaCache;
nMouseWheelDeltaCache = 0;
vDroppedFiles = vDroppedFilesCache;
vDroppedFilesPoint = vDroppedFilesPointCache;
vDroppedFilesCache.clear();
if (bTextEntryEnable)
{
UpdateTextEntry();
}
bool bExtensionBlockFrame = false;
for (auto& ext : vExtensions) bExtensionBlockFrame |= ext->OnBeforeUserUpdate(fElapsedTime);
if (!bExtensionBlockFrame)
{
if (!OnUserUpdate(fElapsedTime)) bAtomActive = false;
}
for (auto& ext : vExtensions) ext->OnAfterUserUpdate(fElapsedTime);
if (bConsoleShow)
{
SetDrawTarget((uint8_t)0);
UpdateConsole();
}
renderer->UpdateViewport(vViewPos, vViewSize);
renderer->ClearBuffer(olc::BLACK, true);
vLayers[0].bUpdate = true;
vLayers[0].bShow = true;
SetDecalMode(DecalMode::NORMAL);
renderer->PrepareDrawing();
for (auto layer = vLayers.rbegin(); layer != vLayers.rend(); ++layer)
{
if (layer->bShow)
{
if (layer->funcHook == nullptr)
{
renderer->ApplyTexture(layer->pDrawTarget.Decal()->id);
if (!bSuspendTextureTransfer && layer->bUpdate)
{
layer->pDrawTarget.Decal()->Update();
layer->bUpdate = false;
}
renderer->DrawLayerQuad(layer->vOffset, layer->vScale, layer->tint);
for (auto& decal : layer->vecDecalInstance)
renderer->DrawDecal(decal);
layer->vecDecalInstance.clear();
}
else
{
layer->funcHook();
}
}
}
renderer->DisplayFrame();
fFrameTimer += fElapsedTime;
nFrameCount++;
if (fFrameTimer >= 1.0f)
{
nLastFPS = nFrameCount;
fFrameTimer -= 1.0f;
std::string sTitle = "OneLoneCoder.com - Pixel Game Engine - " + sAppName + " - FPS: " + std::to_string(nFrameCount);
platform->SetWindowTitle(sTitle);
nFrameCount = 0;
}
}
void PixelGameEngine::olc_ConstructFontSheet()
{
std::string data;
data += "?Q`0001oOch0o01o@F40o0<AGD4090LAGD<090@A7ch0?00O7Q`0600>00000000";
data += "O000000nOT0063Qo4d8>?7a14Gno94AA4gno94AaOT0>o3`oO400o7QN00000400";
data += "Of80001oOg<7O7moBGT7O7lABET024@aBEd714AiOdl717a_=TH013Q>00000000";
data += "720D000V?V5oB3Q_HdUoE7a9@DdDE4A9@DmoE4A;Hg]oM4Aj8S4D84@`00000000";
data += "OaPT1000Oa`^13P1@AI[?g`1@A=[OdAoHgljA4Ao?WlBA7l1710007l100000000";
data += "ObM6000oOfMV?3QoBDD`O7a0BDDH@5A0BDD<@5A0BGeVO5ao@CQR?5Po00000000";
data += "Oc``000?Ogij70PO2D]??0Ph2DUM@7i`2DTg@7lh2GUj?0TO0C1870T?00000000";
data += "70<4001o?P<7?1QoHg43O;`h@GT0@:@LB@d0>:@hN@L0@?aoN@<0O7ao0000?000";
data += "OcH0001SOglLA7mg24TnK7ln24US>0PL24U140PnOgl0>7QgOcH0K71S0000A000";
data += "00H00000@Dm1S007@DUSg00?OdTnH7YhOfTL<7Yh@Cl0700?@Ah0300700000000";
data += "<008001QL00ZA41a@6HnI<1i@FHLM81M@@0LG81?O`0nC?Y7?`0ZA7Y300080000";
data += "O`082000Oh0827mo6>Hn?Wmo?6HnMb11MP08@C11H`08@FP0@@0004@000000000";
data += "00P00001Oab00003OcKP0006@6=PMgl<@440MglH@000000`@000001P00000000";
data += "Ob@8@@00Ob@8@Ga13R@8Mga172@8?PAo3R@827QoOb@820@0O`0007`0000007P0";
data += "O`000P08Od400g`<3V=P0G`673IP0`@3>1`00P@6O`P00g`<O`000GP800000000";
data += "?P9PL020O`<`N3R0@E4HC7b0@ET<ATB0@@l6C4B0O`H3N7b0?P01L3R000000020";
fontRenderable.Create(128, 48);
int px = 0, py = 0;
for (size_t b = 0; b < 1024; b += 4)
{
uint32_t sym1 = (uint32_t)data[b + 0] - 48;
uint32_t sym2 = (uint32_t)data[b + 1] - 48;
uint32_t sym3 = (uint32_t)data[b + 2] - 48;
uint32_t sym4 = (uint32_t)data[b + 3] - 48;
uint32_t r = sym1 << 18 | sym2 << 12 | sym3 << 6 | sym4;
for (int i = 0; i < 24; i++)
{
int k = r & (1 << i) ? 255 : 0;
fontRenderable.Sprite()->SetPixel(px, py, olc::Pixel(k, k, k, k));
if (++py == 48) { px++; py = 0; }
}
}
fontRenderable.Decal()->Update();
constexpr std::array<uint8_t, 96> vSpacing = { {
0x03,0x25,0x16,0x08,0x07,0x08,0x08,0x04,0x15,0x15,0x08,0x07,0x15,0x07,0x24,0x08,
0x08,0x17,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x24,0x15,0x06,0x07,0x16,0x17,
0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x08,0x17,0x08,0x08,0x17,0x08,0x08,0x08,
0x08,0x08,0x08,0x08,0x17,0x08,0x08,0x08,0x08,0x17,0x08,0x15,0x08,0x15,0x08,0x08,
0x24,0x18,0x17,0x17,0x17,0x17,0x17,0x17,0x17,0x33,0x17,0x17,0x33,0x18,0x17,0x17,
0x17,0x17,0x17,0x17,0x07,0x17,0x17,0x18,0x18,0x17,0x17,0x07,0x33,0x07,0x08,0x00, } };
for (auto c : vSpacing) vFontSpacing.push_back({ c >> 4, c & 15 });
#ifdef OLC_KEYBOARD_UK
vKeyboardMap =
{
{olc::Key::A, "a", "A"}, {olc::Key::B, "b", "B"}, {olc::Key::C, "c", "C"}, {olc::Key::D, "d", "D"}, {olc::Key::E, "e", "E"},
{olc::Key::F, "f", "F"}, {olc::Key::G, "g", "G"}, {olc::Key::H, "h", "H"}, {olc::Key::I, "i", "I"}, {olc::Key::J, "j", "J"},
{olc::Key::K, "k", "K"}, {olc::Key::L, "l", "L"}, {olc::Key::M, "m", "M"}, {olc::Key::N, "n", "N"}, {olc::Key::O, "o", "O"},
{olc::Key::P, "p", "P"}, {olc::Key::Q, "q", "Q"}, {olc::Key::R, "r", "R"}, {olc::Key::S, "s", "S"}, {olc::Key::T, "t", "T"},
{olc::Key::U, "u", "U"}, {olc::Key::V, "v", "V"}, {olc::Key::W, "w", "W"}, {olc::Key::X, "x", "X"}, {olc::Key::Y, "y", "Y"},
{olc::Key::Z, "z", "Z"},
{olc::Key::K0, "0", ")"}, {olc::Key::K1, "1", "!"}, {olc::Key::K2, "2", "\""}, {olc::Key::K3, "3", "#"}, {olc::Key::K4, "4", "$"},
{olc::Key::K5, "5", "%"}, {olc::Key::K6, "6", "^"}, {olc::Key::K7, "7", "&"}, {olc::Key::K8, "8", "*"}, {olc::Key::K9, "9", "("},
{olc::Key::NP0, "0", "0"}, {olc::Key::NP1, "1", "1"}, {olc::Key::NP2, "2", "2"}, {olc::Key::NP3, "3", "3"}, {olc::Key::NP4, "4", "4"},
{olc::Key::NP5, "5", "5"}, {olc::Key::NP6, "6", "6"}, {olc::Key::NP7, "7", "7"}, {olc::Key::NP8, "8", "8"}, {olc::Key::NP9, "9", "9"},
{olc::Key::NP_MUL, "*", "*"}, {olc::Key::NP_DIV, "/", "/"}, {olc::Key::NP_ADD, "+", "+"}, {olc::Key::NP_SUB, "-", "-"}, {olc::Key::NP_DECIMAL, ".", "."},
{olc::Key::PERIOD, ".", ">"}, {olc::Key::EQUALS, "=", "+"}, {olc::Key::COMMA, ",", "<"}, {olc::Key::MINUS, "-", "_"}, {olc::Key::SPACE, " ", " "},
{olc::Key::OEM_1, ";", ":"}, {olc::Key::OEM_2, "/", "?"}, {olc::Key::OEM_3, "\'", "@"}, {olc::Key::OEM_4, "[", "{"},
{olc::Key::OEM_5, "\\", "|"}, {olc::Key::OEM_6, "]", "}"}, {olc::Key::OEM_7, "#", "~"},
};
#endif
}
void PixelGameEngine::pgex_Register(olc::PGEX* pgex)
{
if (std::find(vExtensions.begin(), vExtensions.end(), pgex) == vExtensions.end())
vExtensions.push_back(pgex);
}
PGEX::PGEX(bool bHook) { if(bHook) pge->pgex_Register(this); }
void PGEX::OnBeforeUserCreate() {}
void PGEX::OnAfterUserCreate() {}
bool PGEX::OnBeforeUserUpdate(float& fElapsedTime) { return false; }
void PGEX::OnAfterUserUpdate(float fElapsedTime) {}
std::atomic<bool> PixelGameEngine::bAtomActive{ false };
olc::PixelGameEngine* olc::PGEX::pge = nullptr;
olc::PixelGameEngine* olc::Platform::ptrPGE = nullptr;
olc::PixelGameEngine* olc::Renderer::ptrPGE = nullptr;
std::unique_ptr<ImageLoader> olc::Sprite::loader = nullptr;
};
#pragma endregion
#pragma region platform_headless
namespace olc
{
#if defined(OLC_GFX_HEADLESS)
class Renderer_Headless : public olc::Renderer
{
public:
virtual void PrepareDevice() {};
virtual olc::rcode CreateDevice(std::vector<void*> params, bool bFullScreen, bool bVSYNC) { return olc::rcode::OK; }
virtual olc::rcode DestroyDevice() { return olc::rcode::OK; }
virtual void DisplayFrame() {}
virtual void PrepareDrawing() {}
virtual void SetDecalMode(const olc::DecalMode& mode) {}
virtual void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) {}
virtual void DrawDecal(const olc::DecalInstance& decal) {}
virtual uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered = false, const bool clamp = true) {return 1;};
virtual void UpdateTexture(uint32_t id, olc::Sprite* spr) {}
virtual void ReadTexture(uint32_t id, olc::Sprite* spr) {}
virtual uint32_t DeleteTexture(const uint32_t id) {return 1;}
virtual void ApplyTexture(uint32_t id) {}
virtual void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) {}
virtual void ClearBuffer(olc::Pixel p, bool bDepth) {}
};
#endif
#if defined(OLC_PLATFORM_HEADLESS)
class Platform_Headless : public olc::Platform
{
public:
virtual olc::rcode ApplicationStartUp() { return olc::rcode::OK; }
virtual olc::rcode ApplicationCleanUp() { return olc::rcode::OK; }
virtual olc::rcode ThreadStartUp() { return olc::rcode::OK; }
virtual olc::rcode ThreadCleanUp() { return olc::rcode::OK; }
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) { return olc::rcode::OK; }
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) { return olc::rcode::OK; }
virtual olc::rcode SetWindowTitle(const std::string& s) { return olc::rcode::OK; }
virtual olc::rcode StartSystemEventLoop() { return olc::rcode::OK; }
virtual olc::rcode HandleSystemEvent() { return olc::rcode::OK; }
};
#endif
}
#pragma endregion
#pragma region image_stb
#if defined(OLC_IMAGE_STB)
#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
namespace olc
{
class ImageLoader_STB : public olc::ImageLoader
{
public:
ImageLoader_STB() : ImageLoader()
{}
olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override
{
UNUSED(pack);
spr->pColData.clear();
stbi_uc* bytes = nullptr;
int w = 0, h = 0, cmp = 0;
if (pack != nullptr)
{
ResourceBuffer rb = pack->GetFileBuffer(sImageFile);
bytes = stbi_load_from_memory((unsigned char*)rb.vMemory.data(), rb.vMemory.size(), &w, &h, &cmp, 4);
}
else
{
if (!_gfs::exists(sImageFile)) return olc::rcode::NO_FILE;
bytes = stbi_load(sImageFile.c_str(), &w, &h, &cmp, 4);
}
if (!bytes) return olc::rcode::FAIL;
spr->width = w; spr->height = h;
spr->pColData.resize(spr->width * spr->height);
std::memcpy(spr->pColData.data(), bytes, spr->width * spr->height * 4);
delete[] bytes;
return olc::rcode::OK;
}
olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override
{
return olc::rcode::OK;
}
};
}
#endif
#pragma endregion
#if !defined(OLC_PGE_HEADLESS)
#pragma region renderer_ogl10
#if defined(OLC_GFX_OPENGL10)
#if defined(OLC_PLATFORM_WINAPI)
#include <dwmapi.h>
#include <GL/gl.h>
#if !defined(__MINGW32__)
#pragma comment(lib, "Dwmapi.lib")
#endif
typedef BOOL(WINAPI wglSwapInterval_t) (int interval);
static wglSwapInterval_t* wglSwapInterval = nullptr;
typedef HDC glDeviceContext_t;
typedef HGLRC glRenderContext_t;
#endif
#if defined(__linux__) || defined(__FreeBSD__)
#include <GL/gl.h>
#endif
#if defined(OLC_PLATFORM_X11)
namespace X11
{
#include <GL/glx.h>
}
typedef int(glSwapInterval_t)(X11::Display* dpy, X11::GLXDrawable drawable, int interval);
static glSwapInterval_t* glSwapIntervalEXT;
typedef X11::GLXContext glDeviceContext_t;
typedef X11::GLXContext glRenderContext_t;
#endif
#if defined(__APPLE__)
#define GL_SILENCE_DEPRECATION
#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glu.h>
#endif
namespace olc
{
class Renderer_OGL10 : public olc::Renderer
{
private:
#if defined(OLC_PLATFORM_GLUT)
bool mFullScreen = false;
#else
glDeviceContext_t glDeviceContext = 0;
glRenderContext_t glRenderContext = 0;
#endif
bool bSync = false;
olc::DecalMode nDecalMode = olc::DecalMode(-1); olc::DecalStructure nDecalStructure = olc::DecalStructure(-1);
#if defined(OLC_PLATFORM_X11)
X11::Display* olc_Display = nullptr;
X11::Window* olc_Window = nullptr;
X11::XVisualInfo* olc_VisualInfo = nullptr;
#endif
public:
void PrepareDevice() override
{
#if defined(OLC_PLATFORM_GLUT)
int argc = 0;
char* argv[1] = { (char*)"" };
glutInit(&argc, argv);
glutInitWindowPosition(0, 0);
glutInitWindowSize(512, 512);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA);
glutCreateWindow("OneLoneCoder.com - Pixel Game Engine");
glEnable(GL_TEXTURE_2D); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#endif
}
olc::rcode CreateDevice(std::vector<void*> params, bool bFullScreen, bool bVSYNC) override
{
#if defined(OLC_PLATFORM_WINAPI)
glDeviceContext = GetDC((HWND)(params[0]));
PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR), 1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
PFD_MAIN_PLANE, 0, 0, 0, 0
};
int pf = 0;
if (!(pf = ChoosePixelFormat(glDeviceContext, &pfd))) return olc::FAIL;
SetPixelFormat(glDeviceContext, pf, &pfd);
if (!(glRenderContext = wglCreateContext(glDeviceContext))) return olc::FAIL;
wglMakeCurrent(glDeviceContext, glRenderContext);
wglSwapInterval = (wglSwapInterval_t*)wglGetProcAddress("wglSwapIntervalEXT");
if (wglSwapInterval && !bVSYNC) wglSwapInterval(0);
bSync = bVSYNC;
#endif
#if defined(OLC_PLATFORM_X11)
using namespace X11;
olc_Display = (X11::Display*)(params[0]);
olc_Window = (X11::Window*)(params[1]);
olc_VisualInfo = (X11::XVisualInfo*)(params[2]);
glDeviceContext = glXCreateContext(olc_Display, olc_VisualInfo, nullptr, GL_TRUE);
glXMakeCurrent(olc_Display, *olc_Window, glDeviceContext);
XWindowAttributes gwa;
XGetWindowAttributes(olc_Display, *olc_Window, &gwa);
glViewport(0, 0, gwa.width, gwa.height);
glSwapIntervalEXT = nullptr;
glSwapIntervalEXT = (glSwapInterval_t*)glXGetProcAddress((unsigned char*)"glXSwapIntervalEXT");
if (glSwapIntervalEXT == nullptr && !bVSYNC)
{
printf("NOTE: Could not disable VSYNC, glXSwapIntervalEXT() was not found!\n");
printf(" Don't worry though, things will still work, it's just the\n");
printf(" frame rate will be capped to your monitors refresh rate - javidx9\n");
}
if (glSwapIntervalEXT != nullptr && !bVSYNC)
glSwapIntervalEXT(olc_Display, *olc_Window, 0);
#endif
#if defined(OLC_PLATFORM_GLUT)
mFullScreen = bFullScreen;
if (!bVSYNC)
{
#if defined(__APPLE__)
GLint sync = 0;
CGLContextObj ctx = CGLGetCurrentContext();
if (ctx) CGLSetParameter(ctx, kCGLCPSwapInterval, &sync);
#endif
}
#else
glEnable(GL_TEXTURE_2D); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#endif
return olc::rcode::OK;
}
olc::rcode DestroyDevice() override
{
#if defined(OLC_PLATFORM_WINAPI)
wglDeleteContext(glRenderContext);
#endif
#if defined(OLC_PLATFORM_X11)
glXMakeCurrent(olc_Display, None, NULL);
glXDestroyContext(olc_Display, glDeviceContext);
#endif
#if defined(OLC_PLATFORM_GLUT)
glutDestroyWindow(glutGetWindow());
#endif
return olc::rcode::OK;
}
void DisplayFrame() override
{
#if defined(OLC_PLATFORM_WINAPI)
SwapBuffers(glDeviceContext);
if (bSync) DwmFlush(); #endif
#if defined(OLC_PLATFORM_X11)
X11::glXSwapBuffers(olc_Display, *olc_Window);
#endif
#if defined(OLC_PLATFORM_GLUT)
glutSwapBuffers();
#endif
}
void PrepareDrawing() override
{
glEnable(GL_BLEND);
nDecalMode = DecalMode::NORMAL;
nDecalStructure = DecalStructure::FAN;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
void SetDecalMode(const olc::DecalMode& mode)
{
if (mode != nDecalMode)
{
switch (mode)
{
case olc::DecalMode::NORMAL:
case olc::DecalMode::MODEL3D:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
case olc::DecalMode::ADDITIVE:
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
break;
case olc::DecalMode::MULTIPLICATIVE:
glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA);
break;
case olc::DecalMode::STENCIL:
glBlendFunc(GL_ZERO, GL_SRC_ALPHA);
break;
case olc::DecalMode::ILLUMINATE:
glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA);
break;
case olc::DecalMode::WIREFRAME:
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
break;
}
nDecalMode = mode;
}
}
void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) override
{
glBegin(GL_QUADS);
glColor4ub(tint.r, tint.g, tint.b, tint.a);
glTexCoord2f(0.0f * scale.x + offset.x, 1.0f * scale.y + offset.y);
glVertex3f(-1.0f , -1.0f , 0.0f);
glTexCoord2f(0.0f * scale.x + offset.x, 0.0f * scale.y + offset.y);
glVertex3f(-1.0f , 1.0f , 0.0f);
glTexCoord2f(1.0f * scale.x + offset.x, 0.0f * scale.y + offset.y);
glVertex3f(1.0f , 1.0f , 0.0f);
glTexCoord2f(1.0f * scale.x + offset.x, 1.0f * scale.y + offset.y);
glVertex3f(1.0f , -1.0f , 0.0f);
glEnd();
}
void DrawDecal(const olc::DecalInstance& decal) override
{
SetDecalMode(decal.mode);
if (decal.decal == nullptr)
glBindTexture(GL_TEXTURE_2D, 0);
else
glBindTexture(GL_TEXTURE_2D, decal.decal->id);
if (nDecalMode == DecalMode::MODEL3D)
{
#ifdef OLC_ENABLE_EXPERIMENTAL
glMatrixMode(GL_PROJECTION); glPushMatrix();
glMatrixMode(GL_MODELVIEW); glPushMatrix();
glEnable(GL_DEPTH_TEST);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0f, 1.0f, -1.0f, 1.0f, 1, 1000);
#pragma comment (lib, "winmm.lib")
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, -40, -200);
glRotatef(float(clock()) * 0.1f, 1, 0, 0);
glRotatef(float(clock()) * 0.1f * 2, 0, 1, 0);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glBegin(GL_TRIANGLES);
for (uint32_t n = 0; n < decal.points; n++)
{
glColor4ub(decal.tint[n].r, decal.tint[n].g, decal.tint[n].b, decal.tint[n].a);
glTexCoord2f(decal.uv[n].x, decal.uv[n].y);
glVertex3f(decal.pos[n].x, decal.pos[n].y, decal.w[n]);
}
glEnd();
glMatrixMode(GL_PROJECTION); glPopMatrix();
glMatrixMode(GL_MODELVIEW); glPopMatrix();
glDisable(GL_DEPTH_TEST);
#endif
}
else
{
if (nDecalMode == DecalMode::WIREFRAME)
glBegin(GL_LINE_LOOP);
else
{
if(decal.structure == olc::DecalStructure::FAN)
glBegin(GL_TRIANGLE_FAN);
else if(decal.structure == olc::DecalStructure::STRIP)
glBegin(GL_TRIANGLE_STRIP);
else if(decal.structure == olc::DecalStructure::LIST)
glBegin(GL_TRIANGLES);
}
for (uint32_t n = 0; n < decal.points; n++)
{
glColor4ub(decal.tint[n].r, decal.tint[n].g, decal.tint[n].b, decal.tint[n].a);
glTexCoord4f(decal.uv[n].x, decal.uv[n].y, 0.0f, decal.w[n]);
glVertex2f(decal.pos[n].x, decal.pos[n].y);
}
glEnd();
}
}
uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered, const bool clamp) override
{
UNUSED(width);
UNUSED(height);
uint32_t id = 0;
glGenTextures(1, &id);
glBindTexture(GL_TEXTURE_2D, id);
if (filtered)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
else
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
if (clamp)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
}
else
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
return id;
}
uint32_t DeleteTexture(const uint32_t id) override
{
glDeleteTextures(1, &id);
return id;
}
void UpdateTexture(uint32_t id, olc::Sprite* spr) override
{
UNUSED(id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, spr->width, spr->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
}
void ReadTexture(uint32_t id, olc::Sprite* spr) override
{
glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
}
void ApplyTexture(uint32_t id) override
{
glBindTexture(GL_TEXTURE_2D, id);
}
void ClearBuffer(olc::Pixel p, bool bDepth) override
{
glClearColor(float(p.r) / 255.0f, float(p.g) / 255.0f, float(p.b) / 255.0f, float(p.a) / 255.0f);
glClear(GL_COLOR_BUFFER_BIT);
if (bDepth) glClear(GL_DEPTH_BUFFER_BIT);
}
void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) override
{
glViewport(pos.x, pos.y, size.x, size.y);
}
};
}
#endif
#pragma endregion
#pragma region renderer_ogl33
#if defined(OLC_GFX_OPENGL33)
#if defined(OLC_PLATFORM_WINAPI)
#include <dwmapi.h>
#if !defined(__MINGW32__)
#pragma comment(lib, "Dwmapi.lib")
#endif
typedef HDC glDeviceContext_t;
typedef HGLRC glRenderContext_t;
#define OGL_LOAD(t, n) (t*)wglGetProcAddress(#n)
#endif
#if defined(OLC_PLATFORM_X11)
typedef X11::GLXContext glDeviceContext_t;
typedef X11::GLXContext glRenderContext_t;
#define OGL_LOAD(t, n) (t*)glXGetProcAddress((unsigned char*)#n);
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#define GL_GLEXT_PROTOTYPES
#include <GLES2/gl2ext.h>
#include <emscripten/emscripten.h>
#define CALLSTYLE
typedef EGLBoolean(locSwapInterval_t)(EGLDisplay display, EGLint interval);
#define GL_CLAMP GL_CLAMP_TO_EDGE
#define OGL_LOAD(t, n) n;
#endif
namespace olc
{
class Renderer_OGL33 : public olc::Renderer
{
private:
#if defined(OLC_PLATFORM_EMSCRIPTEN)
EGLDisplay olc_Display;
EGLConfig olc_Config;
EGLContext olc_Context;
EGLSurface olc_Surface;
#endif
#if defined(OLC_PLATFORM_GLUT)
bool mFullScreen = false;
#else
#if !defined(OLC_PLATFORM_EMSCRIPTEN)
glDeviceContext_t glDeviceContext = 0;
glRenderContext_t glRenderContext = 0;
#endif
#endif
bool bSync = false;
olc::DecalMode nDecalMode = olc::DecalMode(-1); #if defined(OLC_PLATFORM_X11)
X11::Display* olc_Display = nullptr;
X11::Window* olc_Window = nullptr;
X11::XVisualInfo* olc_VisualInfo = nullptr;
#endif
private:
locCreateShader_t* locCreateShader = nullptr;
locShaderSource_t* locShaderSource = nullptr;
locCompileShader_t* locCompileShader = nullptr;
locDeleteShader_t* locDeleteShader = nullptr;
locCreateProgram_t* locCreateProgram = nullptr;
locDeleteProgram_t* locDeleteProgram = nullptr;
locLinkProgram_t* locLinkProgram = nullptr;
locAttachShader_t* locAttachShader = nullptr;
locBindBuffer_t* locBindBuffer = nullptr;
locBufferData_t* locBufferData = nullptr;
locGenBuffers_t* locGenBuffers = nullptr;
locVertexAttribPointer_t* locVertexAttribPointer = nullptr;
locEnableVertexAttribArray_t* locEnableVertexAttribArray = nullptr;
locUseProgram_t* locUseProgram = nullptr;
locBindVertexArray_t* locBindVertexArray = nullptr;
locGenVertexArrays_t* locGenVertexArrays = nullptr;
locSwapInterval_t* locSwapInterval = nullptr;
locGetShaderInfoLog_t* locGetShaderInfoLog = nullptr;
uint32_t m_nFS = 0;
uint32_t m_nVS = 0;
uint32_t m_nQuadShader = 0;
uint32_t m_vbQuad = 0;
uint32_t m_vaQuad = 0;
struct locVertex
{
float pos[3];
olc::vf2d tex;
olc::Pixel col;
};
locVertex pVertexMem[OLC_MAX_VERTS];
olc::Renderable rendBlankQuad;
public:
void PrepareDevice() override
{
#if defined(OLC_PLATFORM_GLUT)
int argc = 0;
char* argv[1] = { (char*)"" };
glutInit(&argc, argv);
glutInitWindowPosition(0, 0);
glutInitWindowSize(512, 512);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH | GLUT_RGBA);
glutCreateWindow("OneLoneCoder.com - Pixel Game Engine");
glEnable(GL_TEXTURE_2D); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#endif
}
olc::rcode CreateDevice(std::vector<void*> params, bool bFullScreen, bool bVSYNC) override
{
#if defined(OLC_PLATFORM_WINAPI)
glDeviceContext = GetDC((HWND)(params[0]));
PIXELFORMATDESCRIPTOR pfd =
{
sizeof(PIXELFORMATDESCRIPTOR), 1,
PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER,
PFD_TYPE_RGBA, 32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
PFD_MAIN_PLANE, 0, 0, 0, 0
};
int pf = 0;
if (!(pf = ChoosePixelFormat(glDeviceContext, &pfd))) return olc::FAIL;
SetPixelFormat(glDeviceContext, pf, &pfd);
if (!(glRenderContext = wglCreateContext(glDeviceContext))) return olc::FAIL;
wglMakeCurrent(glDeviceContext, glRenderContext);
locSwapInterval = OGL_LOAD(locSwapInterval_t, wglSwapIntervalEXT);
if (locSwapInterval && !bVSYNC) locSwapInterval(0);
bSync = bVSYNC;
#endif
#if defined(OLC_PLATFORM_X11)
using namespace X11;
olc_Display = (X11::Display*)(params[0]);
olc_Window = (X11::Window*)(params[1]);
olc_VisualInfo = (X11::XVisualInfo*)(params[2]);
glDeviceContext = glXCreateContext(olc_Display, olc_VisualInfo, nullptr, GL_TRUE);
glXMakeCurrent(olc_Display, *olc_Window, glDeviceContext);
XWindowAttributes gwa;
XGetWindowAttributes(olc_Display, *olc_Window, &gwa);
glViewport(0, 0, gwa.width, gwa.height);
locSwapInterval = OGL_LOAD(locSwapInterval_t, glXSwapIntervalEXT);
if (locSwapInterval == nullptr && !bVSYNC)
{
printf("NOTE: Could not disable VSYNC, glXSwapIntervalEXT() was not found!\n");
printf(" Don't worry though, things will still work, it's just the\n");
printf(" frame rate will be capped to your monitors refresh rate - javidx9\n");
}
if (locSwapInterval != nullptr && !bVSYNC)
locSwapInterval(olc_Display, *olc_Window, 0);
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
EGLint const attribute_list[] = { EGL_RED_SIZE, 8, EGL_GREEN_SIZE, 8, EGL_BLUE_SIZE, 8, EGL_ALPHA_SIZE, 8, EGL_NONE };
EGLint const context_config[] = { EGL_CONTEXT_CLIENT_VERSION , 2, EGL_NONE };
EGLint num_config;
olc_Display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(olc_Display, nullptr, nullptr);
eglChooseConfig(olc_Display, attribute_list, &olc_Config, 1, &num_config);
olc_Context = eglCreateContext(olc_Display, olc_Config, EGL_NO_CONTEXT, context_config);
olc_Surface = eglCreateWindowSurface(olc_Display, olc_Config, NULL, nullptr);
eglMakeCurrent(olc_Display, olc_Surface, olc_Surface, olc_Context);
locSwapInterval = &eglSwapInterval;
locSwapInterval(olc_Display, bVSYNC ? 1 : 0);
#endif
#if defined(OLC_PLATFORM_GLUT)
mFullScreen = bFullScreen;
if (!bVSYNC)
{
#if defined(__APPLE__)
GLint sync = 0;
CGLContextObj ctx = CGLGetCurrentContext();
if (ctx) CGLSetParameter(ctx, kCGLCPSwapInterval, &sync);
#endif
}
#else
#if !defined(OLC_PLATFORM_EMSCRIPTEN)
glEnable(GL_TEXTURE_2D); glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
#endif
#endif
locCreateShader = OGL_LOAD(locCreateShader_t, glCreateShader);
locCompileShader = OGL_LOAD(locCompileShader_t, glCompileShader);
locShaderSource = OGL_LOAD(locShaderSource_t, glShaderSource);
locDeleteShader = OGL_LOAD(locDeleteShader_t, glDeleteShader);
locCreateProgram = OGL_LOAD(locCreateProgram_t, glCreateProgram);
locDeleteProgram = OGL_LOAD(locDeleteProgram_t, glDeleteProgram);
locLinkProgram = OGL_LOAD(locLinkProgram_t, glLinkProgram);
locAttachShader = OGL_LOAD(locAttachShader_t, glAttachShader);
locBindBuffer = OGL_LOAD(locBindBuffer_t, glBindBuffer);
locBufferData = OGL_LOAD(locBufferData_t, glBufferData);
locGenBuffers = OGL_LOAD(locGenBuffers_t, glGenBuffers);
locVertexAttribPointer = OGL_LOAD(locVertexAttribPointer_t, glVertexAttribPointer);
locEnableVertexAttribArray = OGL_LOAD(locEnableVertexAttribArray_t, glEnableVertexAttribArray);
locUseProgram = OGL_LOAD(locUseProgram_t, glUseProgram);
locGetShaderInfoLog = OGL_LOAD(locGetShaderInfoLog_t, glGetShaderInfoLog);
#if !defined(OLC_PLATFORM_EMSCRIPTEN)
locBindVertexArray = OGL_LOAD(locBindVertexArray_t, glBindVertexArray);
locGenVertexArrays = OGL_LOAD(locGenVertexArrays_t, glGenVertexArrays);
#else
locBindVertexArray = glBindVertexArrayOES;
locGenVertexArrays = glGenVertexArraysOES;
#endif
m_nFS = locCreateShader(0x8B30);
const GLchar* strFS =
#if defined(__arm__) || defined(OLC_PLATFORM_EMSCRIPTEN)
"#version 300 es\n"
"precision mediump float;"
#else
"#version 330 core\n"
#endif
"out vec4 pixel;\n""in vec2 oTex;\n"
"in vec4 oCol;\n""uniform sampler2D sprTex;\n""void main(){pixel = texture(sprTex, oTex) * oCol;}";
locShaderSource(m_nFS, 1, &strFS, NULL);
locCompileShader(m_nFS);
m_nVS = locCreateShader(0x8B31);
const GLchar* strVS =
#if defined(__arm__) || defined(OLC_PLATFORM_EMSCRIPTEN)
"#version 300 es\n"
"precision mediump float;"
#else
"#version 330 core\n"
#endif
"layout(location = 0) in vec3 aPos;\n""layout(location = 1) in vec2 aTex;\n"
"layout(location = 2) in vec4 aCol;\n""out vec2 oTex;\n""out vec4 oCol;\n"
"void main(){ float p = 1.0 / aPos.z; gl_Position = p * vec4(aPos.x, aPos.y, 0.0, 1.0); oTex = p * aTex; oCol = aCol;}";
locShaderSource(m_nVS, 1, &strVS, NULL);
locCompileShader(m_nVS);
m_nQuadShader = locCreateProgram();
locAttachShader(m_nQuadShader, m_nFS);
locAttachShader(m_nQuadShader, m_nVS);
locLinkProgram(m_nQuadShader);
locGenBuffers(1, &m_vbQuad);
locGenVertexArrays(1, &m_vaQuad);
locBindVertexArray(m_vaQuad);
locBindBuffer(0x8892, m_vbQuad);
locVertex verts[OLC_MAX_VERTS];
locBufferData(0x8892, sizeof(locVertex) * OLC_MAX_VERTS, verts, 0x88E0);
locVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(locVertex), 0); locEnableVertexAttribArray(0);
locVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(locVertex), (void*)(3 * sizeof(float))); locEnableVertexAttribArray(1);
locVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(locVertex), (void*)(5 * sizeof(float))); locEnableVertexAttribArray(2);
locBindBuffer(0x8892, 0);
locBindVertexArray(0);
rendBlankQuad.Create(1, 1);
rendBlankQuad.Sprite()->GetData()[0] = olc::WHITE;
rendBlankQuad.Decal()->Update();
return olc::rcode::OK;
}
olc::rcode DestroyDevice() override
{
#if defined(OLC_PLATFORM_WINAPI)
wglDeleteContext(glRenderContext);
#endif
#if defined(OLC_PLATFORM_X11)
glXMakeCurrent(olc_Display, None, NULL);
glXDestroyContext(olc_Display, glDeviceContext);
#endif
#if defined(OLC_PLATFORM_GLUT)
glutDestroyWindow(glutGetWindow());
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
eglMakeCurrent(olc_Display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(olc_Display, olc_Context);
eglDestroySurface(olc_Display, olc_Surface);
eglTerminate(olc_Display);
olc_Display = EGL_NO_DISPLAY;
olc_Surface = EGL_NO_SURFACE;
olc_Context = EGL_NO_CONTEXT;
#endif
return olc::rcode::OK;
}
void DisplayFrame() override
{
#if defined(OLC_PLATFORM_WINAPI)
SwapBuffers(glDeviceContext);
if (bSync) DwmFlush(); #endif
#if defined(OLC_PLATFORM_X11)
X11::glXSwapBuffers(olc_Display, *olc_Window);
#endif
#if defined(OLC_PLATFORM_GLUT)
glutSwapBuffers();
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
eglSwapBuffers(olc_Display, olc_Surface);
#endif
}
void PrepareDrawing() override
{
glEnable(GL_BLEND);
nDecalMode = DecalMode::NORMAL;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
locUseProgram(m_nQuadShader);
locBindVertexArray(m_vaQuad);
#if defined(OLC_PLATFORM_EMSCRIPTEN)
locVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, sizeof(locVertex), 0); locEnableVertexAttribArray(0);
locVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(locVertex), (void*)(3 * sizeof(float))); locEnableVertexAttribArray(1);
locVertexAttribPointer(2, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(locVertex), (void*)(5 * sizeof(float))); locEnableVertexAttribArray(2);
#endif
}
void SetDecalMode(const olc::DecalMode& mode) override
{
if (mode != nDecalMode)
{
switch (mode)
{
case olc::DecalMode::NORMAL: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break;
case olc::DecalMode::ADDITIVE: glBlendFunc(GL_SRC_ALPHA, GL_ONE); break;
case olc::DecalMode::MULTIPLICATIVE: glBlendFunc(GL_DST_COLOR, GL_ONE_MINUS_SRC_ALPHA); break;
case olc::DecalMode::STENCIL: glBlendFunc(GL_ZERO, GL_SRC_ALPHA); break;
case olc::DecalMode::ILLUMINATE: glBlendFunc(GL_ONE_MINUS_SRC_ALPHA, GL_SRC_ALPHA); break;
case olc::DecalMode::WIREFRAME: glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); break;
}
nDecalMode = mode;
}
}
void DrawLayerQuad(const olc::vf2d& offset, const olc::vf2d& scale, const olc::Pixel tint) override
{
locBindBuffer(0x8892, m_vbQuad);
locVertex verts[4] = {
{{-1.0f, -1.0f, 1.0}, {0.0f * scale.x + offset.x, 1.0f * scale.y + offset.y}, tint},
{{+1.0f, -1.0f, 1.0}, {1.0f * scale.x + offset.x, 1.0f * scale.y + offset.y}, tint},
{{-1.0f, +1.0f, 1.0}, {0.0f * scale.x + offset.x, 0.0f * scale.y + offset.y}, tint},
{{+1.0f, +1.0f, 1.0}, {1.0f * scale.x + offset.x, 0.0f * scale.y + offset.y}, tint},
};
locBufferData(0x8892, sizeof(locVertex) * 4, verts, 0x88E0);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
void DrawDecal(const olc::DecalInstance& decal) override
{
SetDecalMode(decal.mode);
if (decal.decal == nullptr)
glBindTexture(GL_TEXTURE_2D, rendBlankQuad.Decal()->id);
else
glBindTexture(GL_TEXTURE_2D, decal.decal->id);
locBindBuffer(0x8892, m_vbQuad);
for (uint32_t i = 0; i < decal.points; i++)
pVertexMem[i] = { { decal.pos[i].x, decal.pos[i].y, decal.w[i] }, { decal.uv[i].x, decal.uv[i].y }, decal.tint[i] };
locBufferData(0x8892, sizeof(locVertex) * decal.points, pVertexMem, 0x88E0);
if (nDecalMode == DecalMode::WIREFRAME)
glDrawArrays(GL_LINE_LOOP, 0, decal.points);
else
{
if (decal.structure == olc::DecalStructure::FAN)
glDrawArrays(GL_TRIANGLE_FAN, 0, decal.points);
else if (decal.structure == olc::DecalStructure::STRIP)
glDrawArrays(GL_TRIANGLE_STRIP, 0, decal.points);
else if (decal.structure == olc::DecalStructure::LIST)
glDrawArrays(GL_TRIANGLES, 0, decal.points);
}
}
uint32_t CreateTexture(const uint32_t width, const uint32_t height, const bool filtered, const bool clamp) override
{
UNUSED(width);
UNUSED(height);
uint32_t id = 0;
glGenTextures(1, &id);
glBindTexture(GL_TEXTURE_2D, id);
if (filtered)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
else
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
}
if (clamp)
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
}
else
{
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
}
#if !defined(OLC_PLATFORM_EMSCRIPTEN)
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
#endif
return id;
}
uint32_t DeleteTexture(const uint32_t id) override
{
glDeleteTextures(1, &id);
return id;
}
void UpdateTexture(uint32_t id, olc::Sprite* spr) override
{
UNUSED(id);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, spr->width, spr->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
}
void ReadTexture(uint32_t id, olc::Sprite* spr) override
{
glReadPixels(0, 0, spr->width, spr->height, GL_RGBA, GL_UNSIGNED_BYTE, spr->GetData());
}
void ApplyTexture(uint32_t id) override
{
glBindTexture(GL_TEXTURE_2D, id);
}
void ClearBuffer(olc::Pixel p, bool bDepth) override
{
glClearColor(float(p.r) / 255.0f, float(p.g) / 255.0f, float(p.b) / 255.0f, float(p.a) / 255.0f);
glClear(GL_COLOR_BUFFER_BIT);
if (bDepth) glClear(GL_DEPTH_BUFFER_BIT);
}
void UpdateViewport(const olc::vi2d& pos, const olc::vi2d& size) override
{
glViewport(pos.x, pos.y, size.x, size.y);
}
};
}
#endif
#pragma endregion
#pragma region image_gdi
#if defined(OLC_IMAGE_GDI)
#define min(a, b) ((a < b) ? a : b)
#define max(a, b) ((a > b) ? a : b)
#include <objidl.h>
#include <gdiplus.h>
#if defined(__MINGW32__)
#include <gdiplus/gdiplusinit.h>
#else
#include <gdiplusinit.h>
#endif
#include <shlwapi.h>
#undef min
#undef max
#if !defined(__MINGW32__)
#pragma comment(lib, "gdiplus.lib")
#pragma comment(lib, "Shlwapi.lib")
#endif
namespace olc
{
static class GDIPlusStartup
{
public:
GDIPlusStartup()
{
Gdiplus::GdiplusStartupInput startupInput;
GdiplusStartup(&token, &startupInput, NULL);
}
ULONG_PTR token;
~GDIPlusStartup()
{
Gdiplus::GdiplusShutdown(token);
}
} gdistartup;
class ImageLoader_GDIPlus : public olc::ImageLoader
{
private:
std::wstring ConvertS2W(std::string s)
{
#ifdef __MINGW32__
wchar_t* buffer = new wchar_t[s.length() + 1];
mbstowcs(buffer, s.c_str(), s.length());
buffer[s.length()] = L'\0';
#else
int count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, NULL, 0);
wchar_t* buffer = new wchar_t[count];
MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, buffer, count);
#endif
std::wstring w(buffer);
delete[] buffer;
return w;
}
public:
ImageLoader_GDIPlus() : ImageLoader()
{}
olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override
{
spr->pColData.clear();
UNUSED(pack);
Gdiplus::Bitmap* bmp = nullptr;
if (pack != nullptr)
{
ResourceBuffer rb = pack->GetFileBuffer(sImageFile);
bmp = Gdiplus::Bitmap::FromStream(SHCreateMemStream((BYTE*)rb.vMemory.data(), UINT(rb.vMemory.size())));
}
else
{
if (!_gfs::exists(sImageFile)) return olc::rcode::NO_FILE;
bmp = Gdiplus::Bitmap::FromFile(ConvertS2W(sImageFile).c_str());
}
if (bmp->GetLastStatus() != Gdiplus::Ok) return olc::rcode::FAIL;
spr->width = bmp->GetWidth();
spr->height = bmp->GetHeight();
spr->pColData.resize(spr->width * spr->height);
for (int y = 0; y < spr->height; y++)
for (int x = 0; x < spr->width; x++)
{
Gdiplus::Color c;
bmp->GetPixel(x, y, &c);
spr->SetPixel(x, y, olc::Pixel(c.GetRed(), c.GetGreen(), c.GetBlue(), c.GetAlpha()));
}
delete bmp;
return olc::rcode::OK;
}
olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override
{
return olc::rcode::OK;
}
};
}
#endif
#pragma endregion
#pragma region image_libpng
#if defined(OLC_IMAGE_LIBPNG)
#include <png.h>
namespace olc
{
void pngReadStream(png_structp pngPtr, png_bytep data, png_size_t length)
{
png_voidp a = png_get_io_ptr(pngPtr);
((std::istream*)a)->read((char*)data, length);
}
class ImageLoader_LibPNG : public olc::ImageLoader
{
public:
ImageLoader_LibPNG() : ImageLoader()
{}
olc::rcode LoadImageResource(olc::Sprite* spr, const std::string& sImageFile, olc::ResourcePack* pack) override
{
UNUSED(pack);
spr->pColData.clear();
png_structp png;
png_infop info;
auto loadPNG = [&]()
{
png_read_info(png, info);
png_byte color_type;
png_byte bit_depth;
png_bytep* row_pointers;
spr->width = png_get_image_width(png, info);
spr->height = png_get_image_height(png, info);
color_type = png_get_color_type(png, info);
bit_depth = png_get_bit_depth(png, info);
if (bit_depth == 16) png_set_strip_16(png);
if (color_type == PNG_COLOR_TYPE_PALETTE) png_set_palette_to_rgb(png);
if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) png_set_expand_gray_1_2_4_to_8(png);
if (png_get_valid(png, info, PNG_INFO_tRNS)) png_set_tRNS_to_alpha(png);
if (color_type == PNG_COLOR_TYPE_RGB || color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_PALETTE)
png_set_filler(png, 0xFF, PNG_FILLER_AFTER);
if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png);
png_read_update_info(png, info);
row_pointers = (png_bytep*)malloc(sizeof(png_bytep) * spr->height);
for (int y = 0; y < spr->height; y++) {
row_pointers[y] = (png_byte*)malloc(png_get_rowbytes(png, info));
}
png_read_image(png, row_pointers);
spr->pColData.resize(spr->width * spr->height);
for (int y = 0; y < spr->height; y++)
{
png_bytep row = row_pointers[y];
for (int x = 0; x < spr->width; x++)
{
png_bytep px = &(row[x * 4]);
spr->SetPixel(x, y, Pixel(px[0], px[1], px[2], px[3]));
}
}
for (int y = 0; y < spr->height; y++) free(row_pointers[y]);
free(row_pointers);
png_destroy_read_struct(&png, &info, nullptr);
};
png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
if (!png) goto fail_load;
info = png_create_info_struct(png);
if (!info) goto fail_load;
if (setjmp(png_jmpbuf(png))) goto fail_load;
if (pack == nullptr)
{
FILE* f = fopen(sImageFile.c_str(), "rb");
if (!f) return olc::rcode::NO_FILE;
png_init_io(png, f);
loadPNG();
fclose(f);
}
else
{
ResourceBuffer rb = pack->GetFileBuffer(sImageFile);
std::istream is(&rb);
png_set_read_fn(png, (png_voidp)&is, pngReadStream);
loadPNG();
}
return olc::rcode::OK;
fail_load:
spr->width = 0;
spr->height = 0;
spr->pColData.clear();
return olc::rcode::FAIL;
}
olc::rcode SaveImageResource(olc::Sprite* spr, const std::string& sImageFile) override
{
return olc::rcode::OK;
}
};
}
#endif
#pragma endregion
#pragma region platform_windows
#if defined(OLC_PLATFORM_WINAPI)
#if defined(_WIN32) && !defined(__MINGW32__)
#pragma comment(lib, "user32.lib")
#pragma comment(lib, "gdi32.lib")
#pragma comment(lib, "opengl32.lib")
#endif
namespace olc
{
class Platform_Windows : public olc::Platform
{
private:
HWND olc_hWnd = nullptr;
std::wstring wsAppName;
std::wstring ConvertS2W(std::string s)
{
#ifdef __MINGW32__
wchar_t* buffer = new wchar_t[s.length() + 1];
mbstowcs(buffer, s.c_str(), s.length());
buffer[s.length()] = L'\0';
#else
int count = MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, NULL, 0);
wchar_t* buffer = new wchar_t[count];
MultiByteToWideChar(CP_UTF8, 0, s.c_str(), -1, buffer, count);
#endif
std::wstring w(buffer);
delete[] buffer;
return w;
}
public:
virtual olc::rcode ApplicationStartUp() override { return olc::rcode::OK; }
virtual olc::rcode ApplicationCleanUp() override { return olc::rcode::OK; }
virtual olc::rcode ThreadStartUp() override { return olc::rcode::OK; }
virtual olc::rcode ThreadCleanUp() override
{
renderer->DestroyDevice();
PostMessage(olc_hWnd, WM_DESTROY, 0, 0);
return olc::OK;
}
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override
{
if (renderer->CreateDevice({ olc_hWnd }, bFullScreen, bEnableVSYNC) == olc::rcode::OK)
{
renderer->UpdateViewport(vViewPos, vViewSize);
return olc::rcode::OK;
}
else
return olc::rcode::FAIL;
}
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override
{
WNDCLASS wc;
wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
wc.hCursor = LoadCursor(NULL, IDC_ARROW);
wc.style = CS_HREDRAW | CS_VREDRAW | CS_OWNDC;
wc.hInstance = GetModuleHandle(nullptr);
wc.lpfnWndProc = olc_WindowEvent;
wc.cbClsExtra = 0;
wc.cbWndExtra = 0;
wc.lpszMenuName = nullptr;
wc.hbrBackground = nullptr;
wc.lpszClassName = olcT("OLC_PIXEL_GAME_ENGINE");
RegisterClass(&wc);
DWORD dwExStyle = WS_EX_APPWINDOW | WS_EX_WINDOWEDGE;
DWORD dwStyle = WS_CAPTION | WS_SYSMENU | WS_VISIBLE | WS_THICKFRAME;
olc::vi2d vTopLeft = vWindowPos;
if (bFullScreen)
{
dwExStyle = 0;
dwStyle = WS_VISIBLE | WS_POPUP;
HMONITOR hmon = MonitorFromWindow(olc_hWnd, MONITOR_DEFAULTTONEAREST);
MONITORINFO mi = { sizeof(mi) };
if (!GetMonitorInfo(hmon, &mi)) return olc::rcode::FAIL;
vWindowSize = { mi.rcMonitor.right, mi.rcMonitor.bottom };
vTopLeft.x = 0;
vTopLeft.y = 0;
}
RECT rWndRect = { 0, 0, vWindowSize.x, vWindowSize.y };
AdjustWindowRectEx(&rWndRect, dwStyle, FALSE, dwExStyle);
int width = rWndRect.right - rWndRect.left;
int height = rWndRect.bottom - rWndRect.top;
olc_hWnd = CreateWindowEx(dwExStyle, olcT("OLC_PIXEL_GAME_ENGINE"), olcT(""), dwStyle,
vTopLeft.x, vTopLeft.y, width, height, NULL, NULL, GetModuleHandle(nullptr), this);
DragAcceptFiles(olc_hWnd, true);
mapKeys[0x00] = Key::NONE;
mapKeys[0x41] = Key::A; mapKeys[0x42] = Key::B; mapKeys[0x43] = Key::C; mapKeys[0x44] = Key::D; mapKeys[0x45] = Key::E;
mapKeys[0x46] = Key::F; mapKeys[0x47] = Key::G; mapKeys[0x48] = Key::H; mapKeys[0x49] = Key::I; mapKeys[0x4A] = Key::J;
mapKeys[0x4B] = Key::K; mapKeys[0x4C] = Key::L; mapKeys[0x4D] = Key::M; mapKeys[0x4E] = Key::N; mapKeys[0x4F] = Key::O;
mapKeys[0x50] = Key::P; mapKeys[0x51] = Key::Q; mapKeys[0x52] = Key::R; mapKeys[0x53] = Key::S; mapKeys[0x54] = Key::T;
mapKeys[0x55] = Key::U; mapKeys[0x56] = Key::V; mapKeys[0x57] = Key::W; mapKeys[0x58] = Key::X; mapKeys[0x59] = Key::Y;
mapKeys[0x5A] = Key::Z;
mapKeys[VK_F1] = Key::F1; mapKeys[VK_F2] = Key::F2; mapKeys[VK_F3] = Key::F3; mapKeys[VK_F4] = Key::F4;
mapKeys[VK_F5] = Key::F5; mapKeys[VK_F6] = Key::F6; mapKeys[VK_F7] = Key::F7; mapKeys[VK_F8] = Key::F8;
mapKeys[VK_F9] = Key::F9; mapKeys[VK_F10] = Key::F10; mapKeys[VK_F11] = Key::F11; mapKeys[VK_F12] = Key::F12;
mapKeys[VK_DOWN] = Key::DOWN; mapKeys[VK_LEFT] = Key::LEFT; mapKeys[VK_RIGHT] = Key::RIGHT; mapKeys[VK_UP] = Key::UP;
mapKeys[VK_BACK] = Key::BACK; mapKeys[VK_ESCAPE] = Key::ESCAPE; mapKeys[VK_RETURN] = Key::ENTER; mapKeys[VK_PAUSE] = Key::PAUSE;
mapKeys[VK_SCROLL] = Key::SCROLL; mapKeys[VK_TAB] = Key::TAB; mapKeys[VK_DELETE] = Key::DEL; mapKeys[VK_HOME] = Key::HOME;
mapKeys[VK_END] = Key::END; mapKeys[VK_PRIOR] = Key::PGUP; mapKeys[VK_NEXT] = Key::PGDN; mapKeys[VK_INSERT] = Key::INS;
mapKeys[VK_SHIFT] = Key::SHIFT; mapKeys[VK_CONTROL] = Key::CTRL;
mapKeys[VK_SPACE] = Key::SPACE;
mapKeys[0x30] = Key::K0; mapKeys[0x31] = Key::K1; mapKeys[0x32] = Key::K2; mapKeys[0x33] = Key::K3; mapKeys[0x34] = Key::K4;
mapKeys[0x35] = Key::K5; mapKeys[0x36] = Key::K6; mapKeys[0x37] = Key::K7; mapKeys[0x38] = Key::K8; mapKeys[0x39] = Key::K9;
mapKeys[VK_NUMPAD0] = Key::NP0; mapKeys[VK_NUMPAD1] = Key::NP1; mapKeys[VK_NUMPAD2] = Key::NP2; mapKeys[VK_NUMPAD3] = Key::NP3; mapKeys[VK_NUMPAD4] = Key::NP4;
mapKeys[VK_NUMPAD5] = Key::NP5; mapKeys[VK_NUMPAD6] = Key::NP6; mapKeys[VK_NUMPAD7] = Key::NP7; mapKeys[VK_NUMPAD8] = Key::NP8; mapKeys[VK_NUMPAD9] = Key::NP9;
mapKeys[VK_MULTIPLY] = Key::NP_MUL; mapKeys[VK_ADD] = Key::NP_ADD; mapKeys[VK_DIVIDE] = Key::NP_DIV; mapKeys[VK_SUBTRACT] = Key::NP_SUB; mapKeys[VK_DECIMAL] = Key::NP_DECIMAL;
mapKeys[VK_OEM_1] = Key::OEM_1; mapKeys[VK_OEM_2] = Key::OEM_2; mapKeys[VK_OEM_3] = Key::OEM_3; mapKeys[VK_OEM_4] = Key::OEM_4; mapKeys[VK_OEM_5] = Key::OEM_5; mapKeys[VK_OEM_6] = Key::OEM_6; mapKeys[VK_OEM_7] = Key::OEM_7; mapKeys[VK_OEM_8] = Key::OEM_8; mapKeys[VK_OEM_PLUS] = Key::EQUALS; mapKeys[VK_OEM_COMMA] = Key::COMMA; mapKeys[VK_OEM_MINUS] = Key::MINUS; mapKeys[VK_OEM_PERIOD] = Key::PERIOD; mapKeys[VK_CAPITAL] = Key::CAPS_LOCK;
return olc::OK;
}
virtual olc::rcode SetWindowTitle(const std::string& s) override
{
#ifdef UNICODE
SetWindowText(olc_hWnd, ConvertS2W(s).c_str());
#else
SetWindowText(olc_hWnd, s.c_str());
#endif
return olc::OK;
}
virtual olc::rcode StartSystemEventLoop() override
{
MSG msg;
while (GetMessage(&msg, NULL, 0, 0) > 0)
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return olc::OK;
}
virtual olc::rcode HandleSystemEvent() override { return olc::rcode::FAIL; }
static LRESULT CALLBACK olc_WindowEvent(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch (uMsg)
{
case WM_MOUSEMOVE:
{
uint16_t x = lParam & 0xFFFF; uint16_t y = (lParam >> 16) & 0xFFFF;
int16_t ix = *(int16_t*)&x; int16_t iy = *(int16_t*)&y;
ptrPGE->olc_UpdateMouse(ix, iy);
return 0;
}
case WM_SIZE: ptrPGE->olc_UpdateWindowSize(lParam & 0xFFFF, (lParam >> 16) & 0xFFFF); return 0;
case WM_MOUSEWHEEL: ptrPGE->olc_UpdateMouseWheel(GET_WHEEL_DELTA_WPARAM(wParam)); return 0;
case WM_MOUSELEAVE: ptrPGE->olc_UpdateMouseFocus(false); return 0;
case WM_SETFOCUS: ptrPGE->olc_UpdateKeyFocus(true); return 0;
case WM_KILLFOCUS: ptrPGE->olc_UpdateKeyFocus(false); return 0;
case WM_KEYDOWN: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], true); return 0;
case WM_KEYUP: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], false); return 0;
case WM_SYSKEYDOWN: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], true); return 0;
case WM_SYSKEYUP: ptrPGE->olc_UpdateKeyState(mapKeys[wParam], false); return 0;
case WM_LBUTTONDOWN:ptrPGE->olc_UpdateMouseState(0, true); return 0;
case WM_LBUTTONUP: ptrPGE->olc_UpdateMouseState(0, false); return 0;
case WM_RBUTTONDOWN:ptrPGE->olc_UpdateMouseState(1, true); return 0;
case WM_RBUTTONUP: ptrPGE->olc_UpdateMouseState(1, false); return 0;
case WM_MBUTTONDOWN:ptrPGE->olc_UpdateMouseState(2, true); return 0;
case WM_MBUTTONUP: ptrPGE->olc_UpdateMouseState(2, false); return 0;
case WM_DROPFILES:
{
HDROP drop = (HDROP)wParam;
uint32_t nFiles = DragQueryFile(drop, 0xFFFFFFFF, nullptr, 0);
std::vector<std::string> vFiles;
for (uint32_t i = 0; i < nFiles; i++)
{
TCHAR dfbuffer[256]{};
uint32_t len = DragQueryFile(drop, i, nullptr, 0);
DragQueryFile(drop, i, dfbuffer, 256);
#ifdef UNICODE
#ifdef __MINGW32__
char* buffer = new char[len + 1];
wcstombs(buffer, dfbuffer, len);
buffer[len] = '\0';
#else
int count = WideCharToMultiByte(CP_UTF8, 0, dfbuffer, -1, NULL, 0, NULL, NULL);
char* buffer = new char[count];
WideCharToMultiByte(CP_UTF8, 0, dfbuffer, -1, buffer, count, NULL, NULL);
#endif
vFiles.push_back(std::string(buffer));
delete[] buffer;
#else
vFiles.push_back(std::string(dfbuffer));
#endif
}
POINT p; DragQueryPoint(drop, &p);
ptrPGE->olc_DropFiles(p.x, p.y, vFiles);
DragFinish(drop);
return 0;
}
break;
case WM_CLOSE: ptrPGE->olc_Terminate(); return 0;
case WM_DESTROY: PostQuitMessage(0); DestroyWindow(hWnd); return 0;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
};
}
#endif
#pragma endregion
#pragma region platform_linux
#if defined(OLC_PLATFORM_X11)
namespace olc
{
class Platform_Linux : public olc::Platform
{
private:
X11::Display* olc_Display = nullptr;
X11::Window olc_WindowRoot;
X11::Window olc_Window;
X11::XVisualInfo* olc_VisualInfo;
X11::Colormap olc_ColourMap;
X11::XSetWindowAttributes olc_SetWindowAttribs;
public:
virtual olc::rcode ApplicationStartUp() override
{
return olc::rcode::OK;
}
virtual olc::rcode ApplicationCleanUp() override
{
XDestroyWindow(olc_Display, olc_Window);
return olc::rcode::OK;
}
virtual olc::rcode ThreadStartUp() override
{
return olc::rcode::OK;
}
virtual olc::rcode ThreadCleanUp() override
{
renderer->DestroyDevice();
return olc::OK;
}
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override
{
if (renderer->CreateDevice({ olc_Display, &olc_Window, olc_VisualInfo }, bFullScreen, bEnableVSYNC) == olc::rcode::OK)
{
renderer->UpdateViewport(vViewPos, vViewSize);
return olc::rcode::OK;
}
else
return olc::rcode::FAIL;
}
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override
{
using namespace X11;
XInitThreads();
olc_Display = XOpenDisplay(NULL);
olc_WindowRoot = DefaultRootWindow(olc_Display);
GLint olc_GLAttribs[] = { GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None };
olc_VisualInfo = glXChooseVisual(olc_Display, 0, olc_GLAttribs);
olc_ColourMap = XCreateColormap(olc_Display, olc_WindowRoot, olc_VisualInfo->visual, AllocNone);
olc_SetWindowAttribs.colormap = olc_ColourMap;
olc_SetWindowAttribs.event_mask = ExposureMask | KeyPressMask | KeyReleaseMask |
ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask | StructureNotifyMask;
olc_Window = XCreateWindow(olc_Display, olc_WindowRoot, vWindowPos.x, vWindowPos.y,
vWindowSize.x, vWindowSize.y,
0, olc_VisualInfo->depth, InputOutput, olc_VisualInfo->visual,
CWColormap | CWEventMask, &olc_SetWindowAttribs);
Atom wmDelete = XInternAtom(olc_Display, "WM_DELETE_WINDOW", true);
XSetWMProtocols(olc_Display, olc_Window, &wmDelete, 1);
XMapWindow(olc_Display, olc_Window);
XStoreName(olc_Display, olc_Window, "OneLoneCoder.com - Pixel Game Engine");
if (bFullScreen) {
Atom wm_state;
Atom fullscreen;
wm_state = XInternAtom(olc_Display, "_NET_WM_STATE", False);
fullscreen = XInternAtom(olc_Display, "_NET_WM_STATE_FULLSCREEN", False);
XEvent xev{ 0 };
xev.type = ClientMessage;
xev.xclient.window = olc_Window;
xev.xclient.message_type = wm_state;
xev.xclient.format = 32;
xev.xclient.data.l[0] = (bFullScreen ? 1 : 0); xev.xclient.data.l[1] = fullscreen; xev.xclient.data.l[2] = 0; xev.xclient.data.l[3] = 0; XMapWindow(olc_Display, olc_Window);
XSendEvent(olc_Display, DefaultRootWindow(olc_Display), False,
SubstructureRedirectMask | SubstructureNotifyMask, &xev);
XFlush(olc_Display);
XWindowAttributes gwa;
XGetWindowAttributes(olc_Display, olc_Window, &gwa);
vWindowSize.x = gwa.width;
vWindowSize.y = gwa.height;
}
mapKeys[0x00] = Key::NONE;
mapKeys[0x61] = Key::A; mapKeys[0x62] = Key::B; mapKeys[0x63] = Key::C; mapKeys[0x64] = Key::D; mapKeys[0x65] = Key::E;
mapKeys[0x66] = Key::F; mapKeys[0x67] = Key::G; mapKeys[0x68] = Key::H; mapKeys[0x69] = Key::I; mapKeys[0x6A] = Key::J;
mapKeys[0x6B] = Key::K; mapKeys[0x6C] = Key::L; mapKeys[0x6D] = Key::M; mapKeys[0x6E] = Key::N; mapKeys[0x6F] = Key::O;
mapKeys[0x70] = Key::P; mapKeys[0x71] = Key::Q; mapKeys[0x72] = Key::R; mapKeys[0x73] = Key::S; mapKeys[0x74] = Key::T;
mapKeys[0x75] = Key::U; mapKeys[0x76] = Key::V; mapKeys[0x77] = Key::W; mapKeys[0x78] = Key::X; mapKeys[0x79] = Key::Y;
mapKeys[0x7A] = Key::Z;
mapKeys[XK_F1] = Key::F1; mapKeys[XK_F2] = Key::F2; mapKeys[XK_F3] = Key::F3; mapKeys[XK_F4] = Key::F4;
mapKeys[XK_F5] = Key::F5; mapKeys[XK_F6] = Key::F6; mapKeys[XK_F7] = Key::F7; mapKeys[XK_F8] = Key::F8;
mapKeys[XK_F9] = Key::F9; mapKeys[XK_F10] = Key::F10; mapKeys[XK_F11] = Key::F11; mapKeys[XK_F12] = Key::F12;
mapKeys[XK_Down] = Key::DOWN; mapKeys[XK_Left] = Key::LEFT; mapKeys[XK_Right] = Key::RIGHT; mapKeys[XK_Up] = Key::UP;
mapKeys[XK_KP_Enter] = Key::ENTER; mapKeys[XK_Return] = Key::ENTER;
mapKeys[XK_BackSpace] = Key::BACK; mapKeys[XK_Escape] = Key::ESCAPE; mapKeys[XK_Linefeed] = Key::ENTER; mapKeys[XK_Pause] = Key::PAUSE;
mapKeys[XK_Scroll_Lock] = Key::SCROLL; mapKeys[XK_Tab] = Key::TAB; mapKeys[XK_Delete] = Key::DEL; mapKeys[XK_Home] = Key::HOME;
mapKeys[XK_End] = Key::END; mapKeys[XK_Page_Up] = Key::PGUP; mapKeys[XK_Page_Down] = Key::PGDN; mapKeys[XK_Insert] = Key::INS;
mapKeys[XK_Shift_L] = Key::SHIFT; mapKeys[XK_Shift_R] = Key::SHIFT; mapKeys[XK_Control_L] = Key::CTRL; mapKeys[XK_Control_R] = Key::CTRL;
mapKeys[XK_space] = Key::SPACE; mapKeys[XK_period] = Key::PERIOD;
mapKeys[XK_0] = Key::K0; mapKeys[XK_1] = Key::K1; mapKeys[XK_2] = Key::K2; mapKeys[XK_3] = Key::K3; mapKeys[XK_4] = Key::K4;
mapKeys[XK_5] = Key::K5; mapKeys[XK_6] = Key::K6; mapKeys[XK_7] = Key::K7; mapKeys[XK_8] = Key::K8; mapKeys[XK_9] = Key::K9;
mapKeys[XK_KP_0] = Key::NP0; mapKeys[XK_KP_1] = Key::NP1; mapKeys[XK_KP_2] = Key::NP2; mapKeys[XK_KP_3] = Key::NP3; mapKeys[XK_KP_4] = Key::NP4;
mapKeys[XK_KP_5] = Key::NP5; mapKeys[XK_KP_6] = Key::NP6; mapKeys[XK_KP_7] = Key::NP7; mapKeys[XK_KP_8] = Key::NP8; mapKeys[XK_KP_9] = Key::NP9;
mapKeys[XK_KP_Multiply] = Key::NP_MUL; mapKeys[XK_KP_Add] = Key::NP_ADD; mapKeys[XK_KP_Divide] = Key::NP_DIV; mapKeys[XK_KP_Subtract] = Key::NP_SUB; mapKeys[XK_KP_Decimal] = Key::NP_DECIMAL;
mapKeys[XK_semicolon] = Key::OEM_1; mapKeys[XK_slash] = Key::OEM_2; mapKeys[XK_asciitilde] = Key::OEM_3; mapKeys[XK_bracketleft] = Key::OEM_4; mapKeys[XK_backslash] = Key::OEM_5; mapKeys[XK_bracketright] = Key::OEM_6; mapKeys[XK_apostrophe] = Key::OEM_7; mapKeys[XK_numbersign] = Key::OEM_8; mapKeys[XK_equal] = Key::EQUALS; mapKeys[XK_comma] = Key::COMMA; mapKeys[XK_minus] = Key::MINUS;
mapKeys[XK_Caps_Lock] = Key::CAPS_LOCK;
return olc::OK;
}
virtual olc::rcode SetWindowTitle(const std::string& s) override
{
X11::XStoreName(olc_Display, olc_Window, s.c_str());
return olc::OK;
}
virtual olc::rcode StartSystemEventLoop() override
{
return olc::OK;
}
virtual olc::rcode HandleSystemEvent() override
{
using namespace X11;
XEvent xev;
while (XPending(olc_Display))
{
XNextEvent(olc_Display, &xev);
if (xev.type == Expose)
{
XWindowAttributes gwa;
XGetWindowAttributes(olc_Display, olc_Window, &gwa);
ptrPGE->olc_UpdateWindowSize(gwa.width, gwa.height);
}
else if (xev.type == ConfigureNotify)
{
XConfigureEvent xce = xev.xconfigure;
ptrPGE->olc_UpdateWindowSize(xce.width, xce.height);
}
else if (xev.type == KeyPress)
{
KeySym sym = XLookupKeysym(&xev.xkey, 0);
ptrPGE->olc_UpdateKeyState(mapKeys[sym], true);
XKeyEvent* e = (XKeyEvent*)&xev; XLookupString(e, NULL, 0, &sym, NULL);
ptrPGE->olc_UpdateKeyState(mapKeys[sym], true);
}
else if (xev.type == KeyRelease)
{
KeySym sym = XLookupKeysym(&xev.xkey, 0);
ptrPGE->olc_UpdateKeyState(mapKeys[sym], false);
XKeyEvent* e = (XKeyEvent*)&xev;
XLookupString(e, NULL, 0, &sym, NULL);
ptrPGE->olc_UpdateKeyState(mapKeys[sym], false);
}
else if (xev.type == ButtonPress)
{
switch (xev.xbutton.button)
{
case 1: ptrPGE->olc_UpdateMouseState(0, true); break;
case 2: ptrPGE->olc_UpdateMouseState(2, true); break;
case 3: ptrPGE->olc_UpdateMouseState(1, true); break;
case 4: ptrPGE->olc_UpdateMouseWheel(120); break;
case 5: ptrPGE->olc_UpdateMouseWheel(-120); break;
default: break;
}
}
else if (xev.type == ButtonRelease)
{
switch (xev.xbutton.button)
{
case 1: ptrPGE->olc_UpdateMouseState(0, false); break;
case 2: ptrPGE->olc_UpdateMouseState(2, false); break;
case 3: ptrPGE->olc_UpdateMouseState(1, false); break;
default: break;
}
}
else if (xev.type == MotionNotify)
{
ptrPGE->olc_UpdateMouse(xev.xmotion.x, xev.xmotion.y);
}
else if (xev.type == FocusIn)
{
ptrPGE->olc_UpdateKeyFocus(true);
}
else if (xev.type == FocusOut)
{
ptrPGE->olc_UpdateKeyFocus(false);
}
else if (xev.type == ClientMessage)
{
ptrPGE->olc_Terminate();
}
}
return olc::OK;
}
};
}
#endif
#pragma endregion
#pragma region platform_glut
#if defined(OLC_PLATFORM_GLUT)
namespace olc {
class Platform_GLUT : public olc::Platform
{
public:
static std::atomic<bool>* bActiveRef;
virtual olc::rcode ApplicationStartUp() override {
return olc::rcode::OK;
}
virtual olc::rcode ApplicationCleanUp() override
{
return olc::rcode::OK;
}
virtual olc::rcode ThreadStartUp() override
{
return olc::rcode::OK;
}
virtual olc::rcode ThreadCleanUp() override
{
renderer->DestroyDevice();
return olc::OK;
}
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override
{
if (renderer->CreateDevice({}, bFullScreen, bEnableVSYNC) == olc::rcode::OK)
{
renderer->UpdateViewport(vViewPos, vViewSize);
return olc::rcode::OK;
}
else
return olc::rcode::FAIL;
}
static void ExitMainLoop() {
if (!ptrPGE->OnUserDestroy()) {
*bActiveRef = true;
return;
}
platform->ThreadCleanUp();
platform->ApplicationCleanUp();
exit(0);
}
#if defined(__APPLE__)
static void scrollWheelUpdate(id selff, SEL _sel, id theEvent) {
static const SEL deltaYSel = sel_registerName("deltaY");
#if defined(__aarch64__)
double deltaY = ((double (*)(id, SEL))objc_msgSend)(theEvent, deltaYSel);
#else
double deltaY = ((double (*)(id, SEL))objc_msgSend_fpret)(theEvent, deltaYSel);
#endif
for (int i = 0; i < abs(deltaY); i++) {
if (deltaY > 0) {
ptrPGE->olc_UpdateMouseWheel(-1);
}
else if (deltaY < 0) {
ptrPGE->olc_UpdateMouseWheel(1);
}
}
}
#endif
static void ThreadFunct() {
#if defined(__APPLE__)
static bool hasEnabledCocoa = false;
if (!hasEnabledCocoa) {
Class NSApplicationClass = objc_getClass("NSApplication");
SEL sharedApplicationSel = sel_registerName("sharedApplication");
id NSApp = ((id(*)(Class, SEL))objc_msgSend)(NSApplicationClass, sharedApplicationSel);
SEL mainWindowSel = sel_registerName("mainWindow");
id window = ((id(*)(id, SEL))objc_msgSend)(NSApp, mainWindowSel);
SEL setStyleMaskSel = sel_registerName("setStyleMask:");
((void (*)(id, SEL, NSUInteger))objc_msgSend)(window, setStyleMaskSel, 7);
hasEnabledCocoa = true;
}
#endif
if (!*bActiveRef) {
ExitMainLoop();
return;
}
glutPostRedisplay();
}
static void DrawFunct() {
ptrPGE->olc_CoreUpdate();
}
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override
{
#if defined(__APPLE__)
Class GLUTViewClass = objc_getClass("GLUTView");
SEL scrollWheelSel = sel_registerName("scrollWheel:");
bool resultAddMethod = class_addMethod(GLUTViewClass, scrollWheelSel, (IMP)scrollWheelUpdate, "v@:@");
assert(resultAddMethod);
#endif
renderer->PrepareDevice();
if (bFullScreen)
{
vWindowSize.x = glutGet(GLUT_SCREEN_WIDTH);
vWindowSize.y = glutGet(GLUT_SCREEN_HEIGHT);
glutFullScreen();
}
else
{
if (vWindowSize.x > glutGet(GLUT_SCREEN_WIDTH) || vWindowSize.y > glutGet(GLUT_SCREEN_HEIGHT))
{
perror("ERROR: The specified window dimensions do not fit on your screen\n");
return olc::FAIL;
}
glutReshapeWindow(vWindowSize.x, vWindowSize.y - 1);
}
mapKeys[0x00] = Key::NONE;
mapKeys['A'] = Key::A; mapKeys['B'] = Key::B; mapKeys['C'] = Key::C; mapKeys['D'] = Key::D; mapKeys['E'] = Key::E;
mapKeys['F'] = Key::F; mapKeys['G'] = Key::G; mapKeys['H'] = Key::H; mapKeys['I'] = Key::I; mapKeys['J'] = Key::J;
mapKeys['K'] = Key::K; mapKeys['L'] = Key::L; mapKeys['M'] = Key::M; mapKeys['N'] = Key::N; mapKeys['O'] = Key::O;
mapKeys['P'] = Key::P; mapKeys['Q'] = Key::Q; mapKeys['R'] = Key::R; mapKeys['S'] = Key::S; mapKeys['T'] = Key::T;
mapKeys['U'] = Key::U; mapKeys['V'] = Key::V; mapKeys['W'] = Key::W; mapKeys['X'] = Key::X; mapKeys['Y'] = Key::Y;
mapKeys['Z'] = Key::Z;
mapKeys[GLUT_KEY_F1] = Key::F1; mapKeys[GLUT_KEY_F2] = Key::F2; mapKeys[GLUT_KEY_F3] = Key::F3; mapKeys[GLUT_KEY_F4] = Key::F4;
mapKeys[GLUT_KEY_F5] = Key::F5; mapKeys[GLUT_KEY_F6] = Key::F6; mapKeys[GLUT_KEY_F7] = Key::F7; mapKeys[GLUT_KEY_F8] = Key::F8;
mapKeys[GLUT_KEY_F9] = Key::F9; mapKeys[GLUT_KEY_F10] = Key::F10; mapKeys[GLUT_KEY_F11] = Key::F11; mapKeys[GLUT_KEY_F12] = Key::F12;
mapKeys[GLUT_KEY_DOWN] = Key::DOWN; mapKeys[GLUT_KEY_LEFT] = Key::LEFT; mapKeys[GLUT_KEY_RIGHT] = Key::RIGHT; mapKeys[GLUT_KEY_UP] = Key::UP;
mapKeys[13] = Key::ENTER;
mapKeys[127] = Key::BACK; mapKeys[27] = Key::ESCAPE;
mapKeys[9] = Key::TAB; mapKeys[GLUT_KEY_HOME] = Key::HOME;
mapKeys[GLUT_KEY_END] = Key::END; mapKeys[GLUT_KEY_PAGE_UP] = Key::PGUP; mapKeys[GLUT_KEY_PAGE_DOWN] = Key::PGDN; mapKeys[GLUT_KEY_INSERT] = Key::INS;
mapKeys[32] = Key::SPACE; mapKeys[46] = Key::PERIOD;
mapKeys[48] = Key::K0; mapKeys[49] = Key::K1; mapKeys[50] = Key::K2; mapKeys[51] = Key::K3; mapKeys[52] = Key::K4;
mapKeys[53] = Key::K5; mapKeys[54] = Key::K6; mapKeys[55] = Key::K7; mapKeys[56] = Key::K8; mapKeys[57] = Key::K9;
glutKeyboardFunc([](unsigned char key, int x, int y) -> void {
switch (glutGetModifiers()) {
case 0: if ('a' <= key && key <= 'z') key -= 32;
break;
case GLUT_ACTIVE_SHIFT:
ptrPGE->olc_UpdateKeyState(Key::SHIFT, true);
break;
case GLUT_ACTIVE_CTRL:
if ('a' <= key && key <= 'z') key -= 32;
ptrPGE->olc_UpdateKeyState(Key::CTRL, true);
break;
case GLUT_ACTIVE_ALT:
if ('a' <= key && key <= 'z') key -= 32;
break;
}
if (mapKeys[key])
ptrPGE->olc_UpdateKeyState(mapKeys[key], true);
});
glutKeyboardUpFunc([](unsigned char key, int x, int y) -> void {
switch (glutGetModifiers()) {
case 0: if ('a' <= key && key <= 'z') key -= 32;
break;
case GLUT_ACTIVE_SHIFT:
ptrPGE->olc_UpdateKeyState(Key::SHIFT, false);
break;
case GLUT_ACTIVE_CTRL:
if ('a' <= key && key <= 'z') key -= 32;
ptrPGE->olc_UpdateKeyState(Key::CTRL, false);
break;
case GLUT_ACTIVE_ALT:
if ('a' <= key && key <= 'z') key -= 32;
break;
}
if (mapKeys[key])
ptrPGE->olc_UpdateKeyState(mapKeys[key], false);
});
glutSpecialFunc([](int key, int x, int y) -> void {
if (mapKeys[key])
ptrPGE->olc_UpdateKeyState(mapKeys[key], true);
});
glutSpecialUpFunc([](int key, int x, int y) -> void {
if (mapKeys[key])
ptrPGE->olc_UpdateKeyState(mapKeys[key], false);
});
glutMouseFunc([](int button, int state, int x, int y) -> void {
switch (button) {
case GLUT_LEFT_BUTTON:
if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(0, false);
else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(0, true);
break;
case GLUT_MIDDLE_BUTTON:
if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(2, false);
else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(2, true);
break;
case GLUT_RIGHT_BUTTON:
if (state == GLUT_UP) ptrPGE->olc_UpdateMouseState(1, false);
else if (state == GLUT_DOWN) ptrPGE->olc_UpdateMouseState(1, true);
break;
}
});
auto mouseMoveCall = [](int x, int y) -> void {
ptrPGE->olc_UpdateMouse(x, y);
};
glutMotionFunc(mouseMoveCall);
glutPassiveMotionFunc(mouseMoveCall);
glutEntryFunc([](int state) -> void {
if (state == GLUT_ENTERED) ptrPGE->olc_UpdateKeyFocus(true);
else if (state == GLUT_LEFT) ptrPGE->olc_UpdateKeyFocus(false);
});
glutDisplayFunc(DrawFunct);
glutIdleFunc(ThreadFunct);
return olc::OK;
}
virtual olc::rcode SetWindowTitle(const std::string& s) override
{
glutSetWindowTitle(s.c_str());
return olc::OK;
}
virtual olc::rcode StartSystemEventLoop() override {
glutMainLoop();
return olc::OK;
}
virtual olc::rcode HandleSystemEvent() override
{
return olc::OK;
}
};
std::atomic<bool>* Platform_GLUT::bActiveRef{ nullptr };
olc::rcode PixelGameEngine::Start()
{
if (platform->ApplicationStartUp() != olc::OK) return olc::FAIL;
if (platform->CreateWindowPane({ 30,30 }, vWindowSize, bFullScreen) != olc::OK) return olc::FAIL;
olc_UpdateWindowSize(vWindowSize.x, vWindowSize.y);
if (platform->ThreadStartUp() == olc::FAIL) return olc::FAIL;
olc_PrepareEngine();
if (!OnUserCreate()) return olc::FAIL;
Platform_GLUT::bActiveRef = &bAtomActive;
glutWMCloseFunc(Platform_GLUT::ExitMainLoop);
bAtomActive = true;
platform->StartSystemEventLoop();
if (platform->ApplicationCleanUp() != olc::OK) return olc::FAIL;
return olc::OK;
}
}
#endif
#pragma endregion
#pragma region platform_emscripten
#if defined(OLC_PLATFORM_EMSCRIPTEN)
#include <emscripten/html5.h>
#include <emscripten/key_codes.h>
extern "C"
{
EMSCRIPTEN_KEEPALIVE inline int olc_OnPageUnload()
{ olc::platform->ApplicationCleanUp(); return 0; }
}
namespace olc
{
class Platform_Emscripten : public olc::Platform
{
public:
virtual olc::rcode ApplicationStartUp() override
{ return olc::rcode::OK; }
virtual olc::rcode ApplicationCleanUp() override
{ ThreadCleanUp(); return olc::rcode::OK; }
virtual olc::rcode ThreadStartUp() override
{ return olc::rcode::OK; }
virtual olc::rcode ThreadCleanUp() override
{ renderer->DestroyDevice(); return olc::OK; }
virtual olc::rcode CreateGraphics(bool bFullScreen, bool bEnableVSYNC, const olc::vi2d& vViewPos, const olc::vi2d& vViewSize) override
{
if (renderer->CreateDevice({}, bFullScreen, bEnableVSYNC) == olc::rcode::OK)
{
renderer->UpdateViewport(vViewPos, vViewSize);
return olc::rcode::OK;
}
else
return olc::rcode::FAIL;
}
virtual olc::rcode CreateWindowPane(const olc::vi2d& vWindowPos, olc::vi2d& vWindowSize, bool bFullScreen) override
{
emscripten_set_canvas_element_size("#canvas", vWindowSize.x, vWindowSize.y);
mapKeys[DOM_PK_UNKNOWN] = Key::NONE;
mapKeys[DOM_PK_A] = Key::A; mapKeys[DOM_PK_B] = Key::B; mapKeys[DOM_PK_C] = Key::C; mapKeys[DOM_PK_D] = Key::D;
mapKeys[DOM_PK_E] = Key::E; mapKeys[DOM_PK_F] = Key::F; mapKeys[DOM_PK_G] = Key::G; mapKeys[DOM_PK_H] = Key::H;
mapKeys[DOM_PK_I] = Key::I; mapKeys[DOM_PK_J] = Key::J; mapKeys[DOM_PK_K] = Key::K; mapKeys[DOM_PK_L] = Key::L;
mapKeys[DOM_PK_M] = Key::M; mapKeys[DOM_PK_N] = Key::N; mapKeys[DOM_PK_O] = Key::O; mapKeys[DOM_PK_P] = Key::P;
mapKeys[DOM_PK_Q] = Key::Q; mapKeys[DOM_PK_R] = Key::R; mapKeys[DOM_PK_S] = Key::S; mapKeys[DOM_PK_T] = Key::T;
mapKeys[DOM_PK_U] = Key::U; mapKeys[DOM_PK_V] = Key::V; mapKeys[DOM_PK_W] = Key::W; mapKeys[DOM_PK_X] = Key::X;
mapKeys[DOM_PK_Y] = Key::Y; mapKeys[DOM_PK_Z] = Key::Z;
mapKeys[DOM_PK_0] = Key::K0; mapKeys[DOM_PK_1] = Key::K1; mapKeys[DOM_PK_2] = Key::K2;
mapKeys[DOM_PK_3] = Key::K3; mapKeys[DOM_PK_4] = Key::K4; mapKeys[DOM_PK_5] = Key::K5;
mapKeys[DOM_PK_6] = Key::K6; mapKeys[DOM_PK_7] = Key::K7; mapKeys[DOM_PK_8] = Key::K8;
mapKeys[DOM_PK_9] = Key::K9;
mapKeys[DOM_PK_F1] = Key::F1; mapKeys[DOM_PK_F2] = Key::F2; mapKeys[DOM_PK_F3] = Key::F3; mapKeys[DOM_PK_F4] = Key::F4;
mapKeys[DOM_PK_F5] = Key::F5; mapKeys[DOM_PK_F6] = Key::F6; mapKeys[DOM_PK_F7] = Key::F7; mapKeys[DOM_PK_F8] = Key::F8;
mapKeys[DOM_PK_F9] = Key::F9; mapKeys[DOM_PK_F10] = Key::F10; mapKeys[DOM_PK_F11] = Key::F11; mapKeys[DOM_PK_F12] = Key::F12;
mapKeys[DOM_PK_ARROW_UP] = Key::UP; mapKeys[DOM_PK_ARROW_DOWN] = Key::DOWN;
mapKeys[DOM_PK_ARROW_LEFT] = Key::LEFT; mapKeys[DOM_PK_ARROW_RIGHT] = Key::RIGHT;
mapKeys[DOM_PK_SPACE] = Key::SPACE; mapKeys[DOM_PK_TAB] = Key::TAB;
mapKeys[DOM_PK_SHIFT_LEFT] = Key::SHIFT; mapKeys[DOM_PK_SHIFT_RIGHT] = Key::SHIFT;
mapKeys[DOM_PK_CONTROL_LEFT] = Key::CTRL; mapKeys[DOM_PK_CONTROL_RIGHT] = Key::CTRL;
mapKeys[DOM_PK_INSERT] = Key::INS; mapKeys[DOM_PK_DELETE] = Key::DEL; mapKeys[DOM_PK_HOME] = Key::HOME;
mapKeys[DOM_PK_END] = Key::END; mapKeys[DOM_PK_PAGE_UP] = Key::PGUP; mapKeys[DOM_PK_PAGE_DOWN] = Key::PGDN;
mapKeys[DOM_PK_BACKSPACE] = Key::BACK; mapKeys[DOM_PK_ESCAPE] = Key::ESCAPE;
mapKeys[DOM_PK_ENTER] = Key::ENTER; mapKeys[DOM_PK_NUMPAD_EQUAL] = Key::EQUALS;
mapKeys[DOM_PK_NUMPAD_ENTER] = Key::ENTER; mapKeys[DOM_PK_PAUSE] = Key::PAUSE;
mapKeys[DOM_PK_SCROLL_LOCK] = Key::SCROLL;
mapKeys[DOM_PK_NUMPAD_0] = Key::NP0; mapKeys[DOM_PK_NUMPAD_1] = Key::NP1; mapKeys[DOM_PK_NUMPAD_2] = Key::NP2;
mapKeys[DOM_PK_NUMPAD_3] = Key::NP3; mapKeys[DOM_PK_NUMPAD_4] = Key::NP4; mapKeys[DOM_PK_NUMPAD_5] = Key::NP5;
mapKeys[DOM_PK_NUMPAD_6] = Key::NP6; mapKeys[DOM_PK_NUMPAD_7] = Key::NP7; mapKeys[DOM_PK_NUMPAD_8] = Key::NP8;
mapKeys[DOM_PK_NUMPAD_9] = Key::NP9;
mapKeys[DOM_PK_NUMPAD_MULTIPLY] = Key::NP_MUL; mapKeys[DOM_PK_NUMPAD_DIVIDE] = Key::NP_DIV;
mapKeys[DOM_PK_NUMPAD_ADD] = Key::NP_ADD; mapKeys[DOM_PK_NUMPAD_SUBTRACT] = Key::NP_SUB;
mapKeys[DOM_PK_NUMPAD_DECIMAL] = Key::NP_DECIMAL;
mapKeys[DOM_PK_PERIOD] = Key::PERIOD; mapKeys[DOM_PK_EQUAL] = Key::EQUALS;
mapKeys[DOM_PK_COMMA] = Key::COMMA; mapKeys[DOM_PK_MINUS] = Key::MINUS;
mapKeys[DOM_PK_CAPS_LOCK] = Key::CAPS_LOCK;
mapKeys[DOM_PK_SEMICOLON] = Key::OEM_1; mapKeys[DOM_PK_SLASH] = Key::OEM_2; mapKeys[DOM_PK_BACKQUOTE] = Key::OEM_3;
mapKeys[DOM_PK_BRACKET_LEFT] = Key::OEM_4; mapKeys[DOM_PK_BACKSLASH] = Key::OEM_5; mapKeys[DOM_PK_BRACKET_RIGHT] = Key::OEM_6;
mapKeys[DOM_PK_QUOTE] = Key::OEM_7; mapKeys[DOM_PK_BACKSLASH] = Key::OEM_8;
emscripten_set_keydown_callback("#canvas", 0, 1, keyboard_callback);
emscripten_set_keyup_callback("#canvas", 0, 1, keyboard_callback);
emscripten_set_wheel_callback("#canvas", 0, 1, wheel_callback);
emscripten_set_mousedown_callback("#canvas", 0, 1, mouse_callback);
emscripten_set_mouseup_callback("#canvas", 0, 1, mouse_callback);
emscripten_set_mousemove_callback("#canvas", 0, 1, mouse_callback);
emscripten_set_touchstart_callback("#canvas", 0, 1, touch_callback);
emscripten_set_touchmove_callback("#canvas", 0, 1, touch_callback);
emscripten_set_touchend_callback("#canvas", 0, 1, touch_callback);
emscripten_set_blur_callback("#canvas", 0, 1, focus_callback);
emscripten_set_focus_callback("#canvas", 0, 1, focus_callback);
#pragma warning disable format
EM_ASM( window.onunload = Module._olc_OnPageUnload; );
EM_ASM({
Module.olc_AspectRatio = $0 / $1;
Module.olc_AssumeDefaultShells = (document.querySelectorAll('.emscripten').length >= 3) ? true : false;
var olc_ResizeHandler = function()
{
let isFullscreen = (document.fullscreenElement != null);
let width = (isFullscreen) ? window.innerWidth : Module.canvas.parentNode.clientWidth;
let height = (isFullscreen) ? window.innerHeight : Module.canvas.parentNode.clientHeight;
let viewWidth = width;
let viewHeight = width / Module.olc_AspectRatio;
if(viewHeight > height)
{
viewWidth = height * Module.olc_AspectRatio;
viewHeight = height;
}
viewWidth = parseInt(viewWidth);
viewHeight = parseInt(viewHeight);
setTimeout(function()
{
if(Module.olc_AssumeDefaultShells)
Module.canvas.parentNode.setAttribute('style', 'width: 100%; height: 70vh; margin-left: auto; margin-right: auto;');
Module.canvas.setAttribute('width', viewWidth);
Module.canvas.setAttribute('height', viewHeight);
Module.canvas.setAttribute('style', `width: ${viewWidth}px; height: ${viewHeight}px;`);
Module._olc_PGE_UpdateWindowSize(viewWidth, viewHeight);
Module.canvas.focus();
}, 200);
};
var olc_Init = function()
{
if(Module.olc_AspectRatio === undefined)
{
setTimeout(function() { Module.olc_Init(); }, 50);
return;
}
let resizeObserver = new ResizeObserver(function(entries)
{
Module.olc_ResizeHandler();
}).observe(Module.canvas.parentNode);
let mutationObserver = new MutationObserver(function(mutationsList, observer)
{
setTimeout(function() { Module.olc_ResizeHandler(); }, 200);
}).observe(Module.canvas.parentNode, { attributes: false, childList: true, subtree: false });
window.addEventListener('fullscreenchange', function(e)
{
setTimeout(function() { Module.olc_ResizeHandler();}, 200);
});
};
Module.olc_ResizeHandler = (Module.olc_ResizeHandler != undefined) ? Module.olc_ResizeHandler : olc_ResizeHandler;
Module.olc_Init = (Module.olc_Init != undefined) ? Module.olc_Init : olc_Init;
Module.olc_Init();
}, vWindowSize.x, vWindowSize.y); #pragma warning restore format
return olc::rcode::OK;
}
void UpdateWindowSize(int width, int height)
{
ptrPGE->olc_UpdateWindowSize(width, height);
}
static EM_BOOL focus_callback(int eventType, const EmscriptenFocusEvent* focusEvent, void* userData)
{
if (eventType == EMSCRIPTEN_EVENT_BLUR)
{
ptrPGE->olc_UpdateKeyFocus(false);
ptrPGE->olc_UpdateMouseFocus(false);
}
else if (eventType == EMSCRIPTEN_EVENT_FOCUS)
{
ptrPGE->olc_UpdateKeyFocus(true);
ptrPGE->olc_UpdateMouseFocus(true);
}
return 0;
}
static EM_BOOL keyboard_callback(int eventType, const EmscriptenKeyboardEvent* e, void* userData)
{
if (eventType == EMSCRIPTEN_EVENT_KEYDOWN)
ptrPGE->olc_UpdateKeyState(mapKeys[emscripten_compute_dom_pk_code(e->code)], true);
if (eventType == EMSCRIPTEN_EVENT_KEYUP)
ptrPGE->olc_UpdateKeyState(mapKeys[emscripten_compute_dom_pk_code(e->code)], false);
return EM_TRUE;
}
static EM_BOOL wheel_callback(int eventType, const EmscriptenWheelEvent* e, void* userData)
{
if (eventType == EMSCRIPTEN_EVENT_WHEEL)
ptrPGE->olc_UpdateMouseWheel(-1 * e->deltaY);
return EM_TRUE;
}
static EM_BOOL touch_callback(int eventType, const EmscriptenTouchEvent* e, void* userData)
{
if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE)
{
ptrPGE->olc_UpdateMouse(e->touches->targetX, e->touches->targetY);
}
if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART)
{
ptrPGE->olc_UpdateMouse(e->touches->targetX, e->touches->targetY);
ptrPGE->olc_UpdateMouseState(0, true);
}
if (eventType == EMSCRIPTEN_EVENT_TOUCHEND)
{
ptrPGE->olc_UpdateMouseState(0, false);
}
return EM_TRUE;
}
static EM_BOOL mouse_callback(int eventType, const EmscriptenMouseEvent* e, void* userData)
{
if (eventType == EMSCRIPTEN_EVENT_MOUSEMOVE)
ptrPGE->olc_UpdateMouse(e->targetX, e->targetY);
if (e->button == 0) {
if (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN)
ptrPGE->olc_UpdateMouseState(0, true);
else if (eventType == EMSCRIPTEN_EVENT_MOUSEUP)
ptrPGE->olc_UpdateMouseState(0, false);
}
if (e->button == 2) {
if (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN)
ptrPGE->olc_UpdateMouseState(1, true);
else if (eventType == EMSCRIPTEN_EVENT_MOUSEUP)
ptrPGE->olc_UpdateMouseState(1, false);
}
if (e->button == 1) {
if (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN)
ptrPGE->olc_UpdateMouseState(2, true);
else if (eventType == EMSCRIPTEN_EVENT_MOUSEUP)
ptrPGE->olc_UpdateMouseState(2, false);
return EM_TRUE;
}
return EM_FALSE;
}
virtual olc::rcode SetWindowTitle(const std::string& s) override
{ emscripten_set_window_title(s.c_str()); return olc::OK; }
virtual olc::rcode StartSystemEventLoop() override
{ return olc::OK; }
virtual olc::rcode HandleSystemEvent() override
{ return olc::OK; }
static void MainLoop()
{
olc::Platform::ptrPGE->olc_CoreUpdate();
if (!ptrPGE->olc_IsRunning())
{
if (ptrPGE->OnUserDestroy())
{
emscripten_cancel_main_loop();
platform->ApplicationCleanUp();
}
else
{
ptrPGE->olc_Reanimate();
}
}
}
};
olc::rcode PixelGameEngine::Start()
{
if (platform->ApplicationStartUp() != olc::OK) return olc::FAIL;
if (platform->CreateWindowPane({ 30,30 }, vWindowSize, bFullScreen) != olc::OK) return olc::FAIL;
olc_UpdateWindowSize(vWindowSize.x, vWindowSize.y);
if (platform->ThreadStartUp() == olc::FAIL) return olc::FAIL;
olc_PrepareEngine();
bAtomActive = true;
for (auto& ext : vExtensions) ext->OnBeforeUserCreate();
if (!OnUserCreate()) bAtomActive = false;
for (auto& ext : vExtensions) ext->OnAfterUserCreate();
platform->StartSystemEventLoop();
emscripten_set_main_loop(&Platform_Emscripten::MainLoop, 0, 1);
if (platform->ApplicationCleanUp() != olc::OK) return olc::FAIL;
return olc::OK;
}
}
extern "C"
{
EMSCRIPTEN_KEEPALIVE inline void olc_PGE_UpdateWindowSize(int width, int height)
{
emscripten_set_canvas_element_size("#canvas", width, height);
((olc::Platform_Emscripten*)olc::platform.get())->UpdateWindowSize(width, height);
}
}
#endif
#pragma endregion
#endif
#pragma region pge_config
namespace olc
{
void PixelGameEngine::olc_ConfigureSystem()
{
olc::Sprite::loader = nullptr;
#if defined(OLC_IMAGE_GDI)
olc::Sprite::loader = std::make_unique<olc::ImageLoader_GDIPlus>();
#endif
#if defined(OLC_IMAGE_LIBPNG)
olc::Sprite::loader = std::make_unique<olc::ImageLoader_LibPNG>();
#endif
#if defined(OLC_IMAGE_STB)
olc::Sprite::loader = std::make_unique<olc::ImageLoader_STB>();
#endif
#if defined(OLC_IMAGE_CUSTOM_EX)
olc::Sprite::loader = std::make_unique<OLC_IMAGE_CUSTOM_EX>();
#endif
#if defined(OLC_PLATFORM_HEADLESS)
platform = std::make_unique<olc::Platform_Headless>();
#endif
#if defined(OLC_PLATFORM_WINAPI)
platform = std::make_unique<olc::Platform_Windows>();
#endif
#if defined(OLC_PLATFORM_X11)
platform = std::make_unique<olc::Platform_Linux>();
#endif
#if defined(OLC_PLATFORM_GLUT)
platform = std::make_unique<olc::Platform_GLUT>();
#endif
#if defined(OLC_PLATFORM_EMSCRIPTEN)
platform = std::make_unique<olc::Platform_Emscripten>();
#endif
#if defined(OLC_PLATFORM_CUSTOM_EX)
platform = std::make_unique<OLC_PLATFORM_CUSTOM_EX>();
#endif
#if defined(OLC_GFX_HEADLESS)
renderer = std::make_unique<olc::Renderer_Headless>();
#endif
#if defined(OLC_GFX_OPENGL10)
renderer = std::make_unique<olc::Renderer_OGL10>();
#endif
#if defined(OLC_GFX_OPENGL33)
renderer = std::make_unique<olc::Renderer_OGL33>();
#endif
#if defined(OLC_GFX_OPENGLES2)
renderer = std::make_unique<olc::Renderer_OGLES2>();
#endif
#if defined(OLC_GFX_DIRECTX10)
renderer = std::make_unique<olc::Renderer_DX10>();
#endif
#if defined(OLC_GFX_DIRECTX11)
renderer = std::make_unique<olc::Renderer_DX11>();
#endif
#if defined(OLC_GFX_CUSTOM_EX)
renderer = std::make_unique<OLC_RENDERER_CUSTOM_EX>();
#endif
platform->ptrPGE = this;
renderer->ptrPGE = this;
}
}
#pragma endregion
#endif