#include "game.h"
#include "utils.h"

void initGame(Game* game)
{
  game->sceneId = GAME_SCENE;
  
  // Settings.
  game->settings = defaultSettings();

  // Window.
  InitWindow(game->settings.windowWidth, game->settings.windowHeight,
             "Find Things");
  SetWindowState(FLAG_WINDOW_RESIZABLE);

  // Assets.
  initAssets(&game->assets);

  // Skybox.
  game->skybox = LoadModelFromMesh(GenMeshCube(1.0, 1.0, 1.0));
  game->skybox.materials[0].shader = game->assets.shaders[SKYBOX_SHADER];

  SetShaderValue(
    game->skybox.materials[0].shader,
    GetShaderLocation(game->skybox.materials[0].shader, "environmentMap"),
    (int[1]){ MATERIAL_MAP_CUBEMAP }, SHADER_UNIFORM_INT);

  game->skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture =
    LoadTextureCubemap(game->assets.images[SKYBOX_IMAGE],
                       CUBEMAP_LAYOUT_AUTO_DETECT);

  // World.
  game->world = createWorld(134235234);

  // Player.
  game->player = createPlayer();
  game->player.position = Vector3Scale(game->world.size, 0.5);

  DisableCursor();
}

void updateMainMenuScene(Game* game)
{
  ClearBackground(BLACK);
}

void updateGameScene(Game* game)
{
  ClearBackground(BLACK);

  BeginMode3D(game->player.camera);

  // Render skybox.
  rlDisableBackfaceCulling();
  rlDisableDepthMask();
  DrawModel(game->skybox, Vector3Zero(), 1.0, WHITE);
  rlEnableBackfaceCulling();
  rlEnableDepthMask();

  updatePlayer(&game->player, game);

  updateWorld(&game->world, game);

  EndMode3D();
}

void updateGame(Game* game)
{
  BeginDrawing();

  switch (game->sceneId)
  {
  case MAIN_MENU_SCENE:
    updateMainMenuScene(game);
    break;
  case GAME_SCENE:
    updateGameScene(game);
    break;
  default:
    break;
  }

  DrawFPS(0, 0);
  
  EndDrawing();
}

void closeGame(Game* game)
{
  closeAssets(&game->assets);
  UnloadTexture(game->skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
  UnloadModel(game->skybox);
  freeWorld(game->world);
  CloseWindow();
}