/*
Copyright (C) 1997-2001 Id Software, Inc.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

*/
/*
==============================================================================

FLIPPER

==============================================================================
*/

#include "../g_local.h"
#include "m_flipper.h"

static int sound_chomp;
static int sound_attack;
static int sound_pain1;
static int sound_pain2;
static int sound_death;
static int sound_idle;
static int sound_search;
static int sound_sight;

void flipper_stand(edict_t *self);

mframe_t flipper_frames_stand[] = {{ai_stand, 0, NULL}};

mmove_t flipper_move_stand = {FRAME_flphor01, FRAME_flphor01, flipper_frames_stand, NULL};

void flipper_stand(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_stand; }

#define FLIPPER_RUN_SPEED 24

mframe_t flipper_frames_run[] = {
    {ai_run, FLIPPER_RUN_SPEED, NULL}, // 6
    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, // 10

    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, // 20

    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL},
    {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL}, {ai_run, FLIPPER_RUN_SPEED, NULL} // 29
};
mmove_t flipper_move_run_loop = {FRAME_flpver06, FRAME_flpver29, flipper_frames_run, NULL};

void flipper_run_loop(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_run_loop; }

mframe_t flipper_frames_run_start[] = {{ai_run, 8, NULL}, {ai_run, 8, NULL}, {ai_run, 8, NULL},
                                       {ai_run, 8, NULL}, {ai_run, 8, NULL}, {ai_run, 8, NULL}};
mmove_t flipper_move_run_start = {FRAME_flpver01, FRAME_flpver06, flipper_frames_run_start, flipper_run_loop};

void flipper_run(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_run_start; }

/* Standard Swimming */
mframe_t flipper_frames_walk[] = {{ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL},
                                  {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL},
                                  {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL},
                                  {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL},
                                  {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL},
                                  {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}, {ai_walk, 4, NULL}};
mmove_t flipper_move_walk = {FRAME_flphor01, FRAME_flphor24, flipper_frames_walk, NULL};

void flipper_walk(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_walk; }

mframe_t flipper_frames_start_run[] = {
    {ai_run, 8, NULL}, {ai_run, 8, NULL}, {ai_run, 8, NULL}, {ai_run, 8, NULL}, {ai_run, 8, flipper_run}};
mmove_t flipper_move_start_run = {FRAME_flphor01, FRAME_flphor05, flipper_frames_start_run, NULL};

void flipper_start_run(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_start_run; }

mframe_t flipper_frames_pain2[] = {
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}};
mmove_t flipper_move_pain2 = {FRAME_flppn101, FRAME_flppn105, flipper_frames_pain2, flipper_run};

mframe_t flipper_frames_pain1[] = {
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}};
mmove_t flipper_move_pain1 = {FRAME_flppn201, FRAME_flppn205, flipper_frames_pain1, flipper_run};

void flipper_bite(edict_t *self) {
  vec3_t aim;

  VectorSet(aim, MELEE_DISTANCE, 0, 0);
  fire_hit(self, aim, 5, 0);
}

void flipper_preattack(edict_t *self) { gi.sound(self, CHAN_WEAPON, sound_chomp, 1, ATTN_NORM, 0); }

mframe_t flipper_frames_attack[] = {{ai_charge, 0, flipper_preattack},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, flipper_bite},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, NULL},
                                    {ai_charge, 0, flipper_bite},
                                    {ai_charge, 0, NULL}};
mmove_t flipper_move_attack = {FRAME_flpbit01, FRAME_flpbit20, flipper_frames_attack, flipper_run};

void flipper_melee(edict_t *self) { self->monsterinfo.currentmove = &flipper_move_attack; }

void flipper_pain(edict_t *self, edict_t *other, float kick, int damage) {
  int n;

  if(ent_read_health(self)->value < (cv_get(ent_read_max_health(self)) / 2))
    self->s.skinnum = 1;

  if(level.time < self->pain_debounce_time)
    return;

  self->pain_debounce_time = level.time + 3;

  if(skill->value == 3)
    return; // no pain anims in nightmare

  n = (rand() + 1) % 2;
  if(n == 0) {
    gi.sound(self, CHAN_VOICE, sound_pain1, 1, ATTN_NORM, 0);
    self->monsterinfo.currentmove = &flipper_move_pain1;
  } else {
    gi.sound(self, CHAN_VOICE, sound_pain2, 1, ATTN_NORM, 0);
    self->monsterinfo.currentmove = &flipper_move_pain2;
  }
}

void flipper_dead(edict_t *self) {
  VectorSet(self->mins, -16, -16, -24);
  VectorSet(self->maxs, 16, 16, -8);
  self->movetype = MOVETYPE_TOSS;
  self->svflags |= SVF_DEADMONSTER;
  self->nextthink = 0;
  gi.linkentity(self);
}

mframe_t flipper_frames_death[] = {
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},

    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},

    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},

    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},

    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},

    {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL}, {ai_move, 0, NULL},
    {ai_move, 0, NULL}};
mmove_t flipper_move_death = {FRAME_flpdth01, FRAME_flpdth56, flipper_frames_death, flipper_dead};

void flipper_sight(edict_t *self, edict_t *other) { gi.sound(self, CHAN_VOICE, sound_sight, 1, ATTN_NORM, 0); }

void flipper_die(edict_t *self, edict_t *inflictor, edict_t *attacker, int damage, vec3_t point) {
  int n;

  // check for gib
  if(ent_read_health(self)->value <= self->gib_health) {
    gi.sound(self, CHAN_VOICE, gi.soundindex("misc/udeath.wav"), 1, ATTN_NORM, 0);
    for(n = 0; n < 2; n++)
      ThrowGib(self, "models/objects/gibs/bone/tris.md2", damage, GIB_ORGANIC);
    for(n = 0; n < 2; n++)
      ThrowGib(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
    ThrowHead(self, "models/objects/gibs/sm_meat/tris.md2", damage, GIB_ORGANIC);
    self->deadflag = DEAD_DEAD;
    return;
  }

  if(self->deadflag == DEAD_DEAD)
    return;

  // regular death
  gi.sound(self, CHAN_VOICE, sound_death, 1, ATTN_NORM, 0);
  self->deadflag = DEAD_DEAD;
  self->takedamage = DAMAGE_YES;
  self->monsterinfo.currentmove = &flipper_move_death;
}

/*QUAKED monster_flipper (1 .5 0) (-16 -16 -24) (16 16 32) Ambush Trigger_Spawn Sight
 */
void SP_monster_flipper(edict_t *self) {
  if(deathmatch->value) {
    G_FreeEdict(self);
    return;
  }

  sound_pain1 = gi.soundindex("flipper/flppain1.wav");
  sound_pain2 = gi.soundindex("flipper/flppain2.wav");
  sound_death = gi.soundindex("flipper/flpdeth1.wav");
  sound_chomp = gi.soundindex("flipper/flpatck1.wav");
  sound_attack = gi.soundindex("flipper/flpatck2.wav");
  sound_idle = gi.soundindex("flipper/flpidle1.wav");
  sound_search = gi.soundindex("flipper/flpsrch1.wav");
  sound_sight = gi.soundindex("flipper/flpsght1.wav");

  self->movetype = MOVETYPE_STEP;
  self->solid = SOLID_BBOX;
  self->s.modelindex = gi.modelindex("models/monsters/flipper/tris.md2");
  VectorSet(self->mins, -16, -16, 0);
  VectorSet(self->maxs, 16, 16, 32);

  dv_set(ent_write_health(self), 50);
  self->gib_health = -30;
  self->mass = 100;

  self->pain = flipper_pain;
  self->die = flipper_die;

  self->monsterinfo.stand = flipper_stand;
  self->monsterinfo.walk = flipper_walk;
  self->monsterinfo.run = flipper_start_run;
  self->monsterinfo.melee = flipper_melee;
  self->monsterinfo.sight = flipper_sight;

  gi.linkentity(self);

  self->monsterinfo.currentmove = &flipper_move_stand;
  self->monsterinfo.scale = MODEL_SCALE;

  swimmonster_start(self);
}