player.cpp

#include "entities.h"

void SetupPlayer(Player &player) {
  player.e.is_alive = true;
  player.stats.lives = 3;
  player.stats.fire_rate = .4f;
  player.stats.fire_rate_timer = 0;
  player.stats.xp_pickup_range = 50;
  player.stats.required_xp = 5;
  player.rotation = 0;

  player.e.rec = {(GLOBALS::SCREEN.x / 2), (GLOBALS::SCREEN.y / 2),
                  SPRITE_SIZE_SCALED, SPRITE_SIZE_SCALED};
  player.e.sprite.src = {56, 0, SPRITE_SIZE, SPRITE_SIZE};
  player.e.sprite.dest = {player.e.rec.x + SPRITE_OFFSET,
                          player.e.rec.y + SPRITE_OFFSET,
                          player.e.sprite.src.width * SPRITE_SCALE_MULTI,
                          player.e.sprite.src.height * SPRITE_SCALE_MULTI};
  player.e.sprite.center = {
      (player.e.sprite.src.width * SPRITE_SCALE_MULTI) / 2,
      (player.e.sprite.src.height * SPRITE_SCALE_MULTI) / 2};

  player.engine_s.src = {72, 0, SPRITE_SIZE, SPRITE_SIZE * 2};
  player.engine_s.dest = {player.e.sprite.dest.x, player.e.sprite.dest.y,
                          player.e.sprite.dest.width,
                          player.e.sprite.dest.height * 2};
  player.engine_s.center = {player.e.sprite.center.x, player.e.sprite.center.y};

  player.engine_anim.frames_counter = 0;
  player.engine_anim.current_frame = 0;
  player.engine_anim.num_frames = 4;
  player.engine_anim.is_active = false;

  player.e.color = C_PLAYER;
  player.e.speed = 110;
};

void ResetPlayer_OnDie(Player &player) {
  player.e.rec = {GLOBALS::SCREEN.x / 2, GLOBALS::SCREEN.y / 2,
                  SPRITE_SIZE_SCALED, SPRITE_SIZE_SCALED};
  player.e.sprite.dest = {player.e.rec.x + SPRITE_OFFSET,
                          player.e.rec.y + SPRITE_OFFSET,
                          player.e.sprite.src.width * SPRITE_SCALE_MULTI,
                          player.e.sprite.src.height * SPRITE_SCALE_MULTI};
  player.engine_s.dest = {player.e.sprite.dest.x, player.e.sprite.dest.y,
                          player.e.sprite.dest.width,
                          player.e.sprite.dest.height * 2};
};

void ResetPlayer_OnGameOver(Player &player) {
  player.e.is_alive = true;
  player.stats.lives = 3;
  player.e.rec = {GLOBALS::SCREEN.x / 2, GLOBALS::SCREEN.y / 2,
                  SPRITE_SIZE_SCALED, SPRITE_SIZE_SCALED};
  player.e.sprite.dest = {player.e.rec.x + SPRITE_OFFSET,
                          player.e.rec.y + SPRITE_OFFSET,
                          player.e.sprite.src.width * SPRITE_SCALE_MULTI,
                          player.e.sprite.src.height * SPRITE_SCALE_MULTI};
  player.engine_s.dest = {player.e.sprite.dest.x, player.e.sprite.dest.y,
                          player.e.sprite.dest.width,
                          player.e.sprite.dest.height * 2};
};

void UpdatePlayer(Player &player, Sprite &bg) {

  player.stats.fire_rate_timer -= GetFrameTime();

  //------Player movement------//
  player.engine_anim.is_active = true;
  if (IsKeyDown(KEY_W)) {
    player.e.rec.y -= player.e.speed * GetFrameTime();
    player.e.sprite.dest.y -= player.e.speed * GetFrameTime();
    bg.dest.y += player.e.speed * GetFrameTime() * .1f;
  }
  if (IsKeyDown(KEY_S)) {
    player.e.rec.y += player.e.speed * GetFrameTime();
    player.e.sprite.dest.y += player.e.speed * GetFrameTime();
    bg.dest.y -= player.e.speed * GetFrameTime() * .1f;
  }
  if (IsKeyDown(KEY_A)) {
    player.e.rec.x -= player.e.speed * GetFrameTime();
    player.e.sprite.dest.x -= player.e.speed * GetFrameTime();
    bg.dest.x += player.e.speed * GetFrameTime() * .1f;
  }
  if (IsKeyDown(KEY_D)) {
    player.e.rec.x += player.e.speed * GetFrameTime();
    player.e.sprite.dest.x += player.e.speed * GetFrameTime();
    bg.dest.x -= player.e.speed * GetFrameTime() * .1f;
  }

  float dx = player.e.rec.x - (GetMouseX() - SPRITE_OFFSET);
  float dy = player.e.rec.y - (GetMouseY() - SPRITE_OFFSET);
  float final_rotation = ((atan2(dy, dx)) * 180 / PI) - 90;

  player.rotation = final_rotation;

  player.engine_s.dest.x = player.e.sprite.dest.x;
  player.engine_s.dest.y = player.e.sprite.dest.y;
  UpdateAnimation(player.engine_anim, true);
  player.engine_s.src.x =
      (float)(72 + (SPRITE_SIZE * player.engine_anim.current_frame));
};

void RenderPlayer(const Player &player, const Texture2D &game_atlas) {
#ifdef DEBUGGING
  DrawRectangleLinesEx(player.e.rec, 1, player.e.color);
  DrawCircleLines(player.e.rec.x, player.e.rec.y, 10, player.e.color);
#endif
  if (player.engine_anim.is_active) {
    DrawTexturePro(game_atlas, player.engine_s.src, player.engine_s.dest,
                   player.engine_s.center, player.rotation, WHITE);
  }

  DrawTexturePro(game_atlas, player.e.sprite.src, player.e.sprite.dest,
                 player.e.sprite.center, player.rotation, WHITE);
};

void IncreaseReqXP(Player &player) { player.stats.required_xp *= 1.2f; }

void Upgrade_PlayerFirerate(Player &player, float multiplier) {
  player.stats.fire_rate /= multiplier;
}

void Upgrade_PlayerSpeed(Player &player, float multiplier) {
  player.e.speed *= multiplier;
}