General weirdness

2 files changed, 102 insertions, 29 deletions

diff --git a/src/game.c b/src/game.c
index cd97769..79f3f58 100644
--- a/src/game.c
+++ b/src/game.c
@@ -45,6 +45,22 @@ void resetScreenScale(Game* game)
   }
 }
 
+void initMainMenu(Game* game)
+{
+  game->mainMenu.renderTexture = LoadRenderTexture(GetRenderWidth(),
+                                                   GetRenderHeight());
+  
+    game->mainMenu.camera = (Camera){
+    .position = Vector3Zero(),
+    .target = (Vector3){0.0, 0.0, 1.0},
+    .up = (Vector3){0.0, 1.0, 0.0},
+    .fovy = 90.0,
+    .projection = CAMERA_PERSPECTIVE
+  };
+  
+  game->mainMenu.sphere = LoadModelFromMesh(GenMeshSphere(1.0, 7, 14));
+}
+
 void initGame(Game* game)
 {
   game->sceneId = MAIN_MENU_SCENE;
@@ -100,18 +116,77 @@ void initGame(Game* game)
   // Inventory.
   initInventory(&game->inventory, &game->settings);
 
+  // Main menu.
+  initMainMenu(game);
+
   // disableGameCursor(game);
 }
 
+void mainMenuHandleWidgets(Game* game, Vector2 position)
+{
+  float buttonWidth = 150.0;
+  float buttonHeight = 50.0;
+
+  // Start button.
+  position.x = GetRenderWidth() / 2.0 - buttonWidth / 2.0;
+  position.y = GetRenderHeight() / 2.0;
+  
+  if (GuiButton(
+        (Rectangle){position.x,
+                    position.y,
+                    buttonWidth,
+                    buttonHeight},
+        "Start"))
+  {
+    game->sceneId = GAME_SCENE;
+    disableGameCursor(game);
+  }
+
+  // Exit button.
+  position.y += buttonHeight + 1.0;
+
+  if (GuiButton(
+        (Rectangle){position.x,
+                    position.y,
+                    buttonWidth,
+                    buttonHeight},
+        "Exit"))
+  {
+    CloseWindow();
+  }
+}
+
+void updateMainMenuBouncy(Game* game)
+{
+  BeginMode3D(game->mainMenu.camera);
+
+  game->mainMenu.sphere.materials[0].maps[MATERIAL_MAP_DIFFUSE].texture =
+    game->mainMenu.renderTexture.texture;
+  DrawModel(game->mainMenu.sphere,
+            (Vector3){Wrap(GetTime(), -10.0, 10.0), 0.0, 5.0},
+            1.0,
+            WHITE);
+
+  EndMode3D();
+}
+
+// TODO: Use render texture instead of screenshot.
 void updateMainMenuScene(Game* game)
 {
-  ClearBackground(PINK);
+  Texture texture = game->mainMenu.renderTexture.texture;
+  
+  BeginTextureMode(game->mainMenu.renderTexture);
+  
+  DrawTexturePro(texture,
+                 (Rectangle){0.0, 0.0, texture.width, -texture.height},
+                 (Rectangle){0.0, 0.0, texture.width, texture.height},
+                 (Vector2){0.0, 0.0},
+                 0.0,
+                 WHITE);
+  
   float renderWidth = GetRenderWidth();
   float renderHeight = GetRenderHeight();
 
-  float buttonWidth = 150.0;
-  float buttonHeight = 50.0;
-
   int lineCount = 15;
 
   SetRandomSeed(GetTime() * 2.0);
@@ -130,7 +205,7 @@ void updateMainMenuScene(Game* game)
       (Vector2){GetRandomValue(0, renderWidth),
                 GetRandomValue(0, renderHeight)},
       2.0,
-      BLACK);
+      GREEN);
   }
 
   // Draw logo.
@@ -153,33 +228,18 @@ void updateMainMenuScene(Game* game)
                 logoScale,
                 WHITE);
 
-  // Start button.
-  position.x = renderWidth / 2.0 - buttonWidth / 2.0;
-  position.y = renderHeight / 2.0;
+  mainMenuHandleWidgets(game, position);
 
-  if (GuiButton(
-        (Rectangle){position.x,
-                    position.y,
-                    buttonWidth,
-                    buttonHeight},
-        "Start"))
-  {
-    game->sceneId = GAME_SCENE;
-    disableGameCursor(game);
-  }
+  updateMainMenuBouncy(game);
 
-  // Exit button.
-  position.y += buttonHeight + 1.0;
+  EndTextureMode();
 
-  if (GuiButton(
-        (Rectangle){position.x,
-                    position.y,
-                    buttonWidth,
-                    buttonHeight},
-        "Exit"))
-  {
-    CloseWindow();
-  }
+  DrawTexturePro(texture,
+                 (Rectangle){0.0, 0.0, texture.width, -texture.height},
+                 (Rectangle){0.0, 0.0, texture.width, texture.height},
+                 (Vector2){0.0, 0.0},
+                 0.0,
+                 WHITE);
 }
 
 void drawGameTexturedBackground(Texture texture)
@@ -446,6 +506,12 @@ void updateGame(Game* game)
   EndDrawing();
 }
 
+void closeMainMenu(Game* game)
+{
+  UnloadRenderTexture(game->mainMenu.renderTexture);
+  UnloadModel(game->mainMenu.sphere);
+}
+
 void closeGame(Game* game)
 {
   closeAssets(&game->assets);
@@ -454,6 +520,7 @@ void closeGame(Game* game)
   UnloadModel(game->skybox);
   freeWorld(game->world);
   closeMap(&game->map);
+  closeMainMenu(game);
   CloseWindow();
 }
 
diff --git a/src/game.h b/src/game.h
index 04e2e18..8593316 100644
--- a/src/game.h
+++ b/src/game.h
@@ -44,6 +44,12 @@ struct Game {
     AssetId postprocesserShader;
     bool ultraWideMode;
   } screen;
+
+  struct {
+    RenderTexture renderTexture;
+    Camera camera;
+    Model sphere;
+  } mainMenu;
 };
 
 void initGame(Game* game);