void Engine_init_state(struct EngineState *state) {
  _current_state = state;
  if(_current_state && _current_state->begin != NULL) {
    _current_state->begin(_current_state->ud);
  }
}

  struct State * current = _current_state;

  struct EngineState * current = _current_state;

    snprintf(path, sizeof(path), "assets/%s", img->path);

    sprintf(path, sizeof(path), "assets/%s", img->path);

// cleanup some silly defines from windows
#if _WIN32
#undef near
#undef DrawText
#endif

void Engine_set_player_input_backend(uint32_t player_index, uint32_t pair_count, const struct InputBackendPair * pairs) {

void Engine_set_player_input_backend(uint32_t player_index, const struct InputBackendPair * pairs, uint32_t pair_count) {

uint32_t Engine_add_input_frontend(uint32_t player_index, uint32_t signal_count, struct InputSignal * signals) {

uint32_t Engine_add_input_frontend(uint32_t player_index, struct InputSignal * signals, uint32_t signal_count) {

static inline void GL_matrix_frustum(float left, float right, float bottom, float top, float near, float far,

static inline void GL_matrix_frustum(float left, float right, float bottom, float top, float znear, float zfar,

  float x = (2 * near) / (right - left);
  float y = (2 * near) / (top - bottom);

  float x = (2 * znear) / (right - left);
  float y = (2 * znear) / (top - bottom);

  float c = -(far + near) / (far - near);
  float d = -(2 * far * near) / (far - near);

  float c = -(zfar + znear) / (zfar - znear);
  float d = -(2 * zfar * znear) / (zfar - znear);

static inline void GL_matrix_ortho(float left, float right, float bottom, float top, float near, float far,

static inline void GL_matrix_ortho(float left, float right, float bottom, float top, float znear, float zfar,

  float z = -2 / (far - near);

  float z = -2 / (zfar - znear);

  float c = -(far + near) / (far - near);

  float c = -(zfar + znear) / (zfar - znear);

  uint32_t len = vsnprintf(NULL, 0, format, ap);

  uint32_t len = vcprintf(format, ap);

  vsnprintf(_.script_builder_ptr + _.script_builder_len, _.script_builder_cap - _.script_builder_len, format, ap);

  vsprintf(_.script_builder_ptr + _.script_builder_len, _.script_builder_cap - _.script_builder_len, format, ap);

#include <engine/state.h>

struct Engine_StateMachine

void intro_frame(void *ud) {
}
struct EngineState intro = {
  .frame = intro_frame
  // void (*begin)(void * ud);
  // void (*frame)(void * ud);
  // void (*background)(void * ud);
  // void (*hud)(void * ud);
  // void (*pause)(void * ud);
  // void (*unpause)(void * ud);
  // void (*end)(void * ud);
};

  StateMachine_begin(&);

  Engine_init_state(&intro);

    struct State * prev;

    struct EngineState * prev;

per_platform library ___-engine \
  ___-glfw3 ___-alias \
  --include-directory engine/include \
  engine/src/engine.c \
  engine/src/font.c \
  engine/src/gfx.c \
  engine/src/image.c \
  engine/src/input.c \
  engine/src/render.c \
  engine/src/resource.c \
  engine/src/state.c \
  engine/src/transform.c \
  engine/src/ui.c

#per_platform library ___-engine \
#  ___-glfw3 ___-alias \
#  --include-directory engine/include \
#  engine/src/engine.c \
#  engine/src/render.c \
#  engine/src/input.c \
#  engine/src/gfx.c \
#  engine/src/font.c \
#  engine/src/ui.c \
#  engine/src/image.c \
#  engine/src/resource.c \
#  engine/src/transform.c
#
#per_platform executable ___-engine-integration_test \
#  ___-engine engine/integration_test/src/main.c

per_platform executable ___-engine-integration_test \
  ___-engine engine/integration_test/src/main.c