Add levelling up mechanics through experience gained via killing enemies

src/rendering/__tests__/DungeonRenderer.test.ts

@@ -94,6 +94,17 @@ describe('DungeonRenderer', () => {
         exists: vi.fn().mockReturnValue(true),
         generateFrameNumbers: vi.fn(),
       },
+      make: {
+        tilemap: vi.fn().mockReturnValue({
+          addTilesetImage: vi.fn().mockReturnValue({}),
+          createLayer: vi.fn().mockReturnValue({
+            setDepth: vi.fn(),
+            forEachTile: vi.fn(),
+          }),
+          destroy: vi.fn(),
+        }),
+      },
+
     };
 
     mockWorld = {
@@ -107,8 +118,9 @@ describe('DungeonRenderer', () => {
     renderer = new DungeonRenderer(mockScene);
   });
 
-  it('should track and clear corpse sprites on level initialization', () => {
-    renderer.initializeLevel(mockWorld);
+  it('should track and clear corpse sprites on floor initialization', () => {
+    renderer.initializeFloor(mockWorld);
+
 
     // Spawn a couple of corpses
     renderer.spawnCorpse(1, 1, 'rat');
@@ -120,8 +132,9 @@ describe('DungeonRenderer', () => {
 
     expect(mockScene.add.sprite).toHaveBeenCalledTimes(3);
 
-    // Initialize level again (changing level)
-    renderer.initializeLevel(mockWorld);
+    // Initialize floor again (changing level)
+    renderer.initializeFloor(mockWorld);
+
 
     // Verify destroy was called on both corpse sprites
     expect(corpse1.destroy).toHaveBeenCalledTimes(1);