1 files changed, 67 insertions, 1 deletions

diff --git a/src/game.c b/src/game.c
index c4563c9..956c5d2 100644
--- a/src/game.c
+++ b/src/game.c
@@ -1,6 +1,37 @@
 #include "game.h"
 #include "utils.h"
 
+void resetScreenScale(Game* game)
+{
+  Texture texture = game->screen.render.texture;
+
+  // Get screen size on window.
+  float renderWidth = GetRenderWidth();
+  float renderHeight = GetRenderHeight();
+  float scale;
+
+  if (renderWidth > renderHeight)
+  {
+    scale = (float)renderHeight / texture.height;
+  }
+  else
+  {
+    scale = (float)renderWidth / texture.width;
+  }
+
+  game->screen.scale = scale;
+
+  float width = texture.width * scale;
+  float height = texture.height * scale;
+
+  game->screen.destination = (Rectangle){
+    renderWidth / 2.0 - width / 2.0,
+    renderHeight / 2.0 - height / 2.0,
+    width,
+    height
+  };
+}
+
 void initGame(Game* game)
 {
   game->sceneId = GAME_SCENE;
@@ -8,11 +39,17 @@ void initGame(Game* game)
   // Settings.
   game->settings = defaultSettings();
 
+
   // Window.
   InitWindow(game->settings.windowWidth, game->settings.windowHeight,
              "Find Things");
   SetWindowState(FLAG_WINDOW_RESIZABLE);
 
+  // Screen.
+  game->screen.render = LoadRenderTexture(game->settings.screenWidth,
+                                          game->settings.screenHeight);
+  resetScreenScale(game);
+
   // Assets.
   initAssets(&game->assets);
 
@@ -30,7 +67,7 @@ void initGame(Game* game)
   game->player = createPlayer();
   game->player.position = Vector3Scale(game->world.size, 0.5);
 
-  DisableCursor();
+  // DisableCursor();
 }
 
 void updateMainMenuScene(Game* game)
@@ -38,10 +75,25 @@ void updateMainMenuScene(Game* game)
   ClearBackground(BLACK);
 }
 
+void drawGameScreen(Game* game)
+{
+  Texture texture = game->screen.render.texture;
+
+  DrawTexturePro(
+    texture,
+    (Rectangle){0.0, 0.0, texture.width, -texture.height},
+    game->screen.destination,
+    (Vector2){0.0, 0.0},
+    0.0,
+    WHITE);
+}
+
 void updateGameScene(Game* game)
 {
   ClearBackground(BLACK);
 
+  BeginTextureMode(game->screen.render);
+  ClearBackground(BLACK);
   BeginMode3D(game->player.camera);
 
   // Render skybox.
@@ -56,12 +108,25 @@ void updateGameScene(Game* game)
   updateWorld(&game->world, game);
 
   EndMode3D();
+  EndTextureMode();
+
+  drawGameScreen(game);
+}
+
+void handleGameResize(Game* game)
+{
+  resetScreenScale(game);
 }
 
 void updateGame(Game* game)
 {
   BeginDrawing();
 
+  if (IsWindowResized())
+  {
+    handleGameResize(game);
+  }
+
   switch (game->sceneId)
   {
   case MAIN_MENU_SCENE:
@@ -82,6 +147,7 @@ void updateGame(Game* game)
 void closeGame(Game* game)
 {
   closeAssets(&game->assets);
+  UnloadRenderTexture(game->screen.render);
   UnloadTexture(game->skybox.materials[0].maps[MATERIAL_MAP_CUBEMAP].texture);
   UnloadModel(game->skybox);
   freeWorld(game->world);