Fixed sprite lookups

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/renderer/renderer.dart

@@ -49,34 +49,18 @@ class _WolfRendererState extends State<WolfRenderer>
   @override
   void initState() {
     super.initState();
-    _initGame();
+    _initGame(demo: widget.isDemo);
   }
 
-  Future<void> _initGame() async {
-    // 1. Load the entire WAD/WL1 data
-    gameMap = await WolfMap.load();
+  Future<void> _initGame({bool demo = true}) async {
+    // 1. Load the entire WL1 (demo)/WL6 (retail) data
+    gameMap = demo ? await WolfMap.loadDemo() : await WolfMap.load();
 
     // 2. Extract Level 1 (E1M1)
     currentLevel = gameMap.levels[0].wallGrid;
 
     final Matrix<int> objectLevel = gameMap.levels[0].objectGrid;
 
-    // Adjusted mapping for WL1 Shareware
-    // These numbers represent the delta from the FIRST sprite chunk in VSWAP
-    Map<int, int> staticObjects = {
-      23: widget.isDemo ? 0 : 23, // Water Puddle
-      24: widget.isDemo ? 1 : 24, // Green Barrel
-      25: widget.isDemo ? 2 : 25, // Chairs
-      26: widget.isDemo ? 3 : 26, // Green Plant
-      27: widget.isDemo ? 4 : 27, // Skeleton / Bones
-      28: widget.isDemo ? 5 : 28, // Blue Lamp
-      29: widget.isDemo ? 6 : 29, // Chandelier
-      30: widget.isDemo ? 7 : 30, // Dog food
-      31: widget.isDemo ? 8 : 31, // White pillar
-      32: widget.isDemo ? 9 : 32, // Hanged man
-      50: widget.isDemo ? 42 : 95, // Standing Guard (Front-facing frame)
-    };
-
     // 1. SCAN FOR PLAYER SPAWN & ENTITIES
     for (int y = 0; y < 64; y++) {
       for (int x = 0; x < 64; x++) {
@@ -97,12 +81,26 @@ class _WolfRendererState extends State<WolfRenderer>
           }
         }
         // NEW: Populate the Entities!
-        else if (staticObjects.containsKey(objId)) {
-          entities.add((
-            x: x + 0.5,
-            y: y + 0.5,
-            spriteIndex: staticObjects[objId]!,
-          ));
+        else if (objId >= 23 && objId <= 70) {
+          int calculatedSpriteIndex = objId - 21;
+
+          // Safety bounds check to prevent crashes on custom/corrupt maps
+          if (calculatedSpriteIndex >= 0 &&
+              calculatedSpriteIndex < gameMap.sprites.length) {
+            entities.add((
+              x: x + 0.5,
+              y: y + 0.5,
+              spriteIndex: calculatedSpriteIndex,
+            ));
+          }
+        } else if (objId == 124) {
+          if (95 < gameMap.sprites.length) {
+            entities.add((
+              x: x + 0.5,
+              y: y + 0.5,
+              spriteIndex: 95,
+            ));
+          }
         }
       }
     }