Starting to move data loader to its own package

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

lib/features/entities/door_manager.dart

@@ -1,6 +1,6 @@
 import 'dart:math' as math;
 
-import 'package:wolf_dart/classes/sprite.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/map/door.dart';
 
 class DoorManager {

lib/features/entities/pushwall_manager.dart

@@ -1,12 +1,12 @@
 import 'dart:math' as math;
 
-import 'package:wolf_dart/classes/matrix.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/entities/map_objects.dart';
 
 class Pushwall {
   int x;
   int y;
-  int mapId; // The wall texture ID
+  int mapId;
   int dirX = 0;
   int dirY = 0;
   double offset = 0.0;
@@ -19,7 +19,7 @@ class PushwallManager {
   final Map<String, Pushwall> pushwalls = {};
   Pushwall? activePushwall;
 
-  void initPushwalls(Matrix<int> wallGrid, Matrix<int> objectGrid) {
+  void initPushwalls(Sprite wallGrid, Sprite objectGrid) {
     pushwalls.clear();
     activePushwall = null;
 
@@ -32,7 +32,7 @@ class PushwallManager {
     }
   }
 
-  void update(Duration elapsed, Matrix<int> wallGrid) {
+  void update(Duration elapsed, Sprite wallGrid) {
     if (activePushwall == null) return;
     final pw = activePushwall!;
 
@@ -85,7 +85,7 @@ class PushwallManager {
     double playerX,
     double playerY,
     double playerAngle,
-    Matrix<int> wallGrid,
+    Sprite wallGrid,
   ) {
     // Only one pushwall can move at a time in the original engine!
     if (activePushwall != null) return;

lib/features/map/wolf_level.dart

@@ -1,11 +1,11 @@
-import 'package:wolf_dart/classes/matrix.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 
 class WolfLevel {
   final String name;
   final int width; // Always 64 in standard Wolf3D
   final int height; // Always 64
-  final Matrix<int> wallGrid;
-  final Matrix<int> objectGrid;
+  final Sprite wallGrid;
+  final Sprite objectGrid;
 
   WolfLevel({
     required this.name,

lib/features/map/wolf_map.dart

@@ -1,14 +1,13 @@
 import 'package:flutter/services.dart';
-import 'package:wolf_dart/classes/matrix.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/map/wolf_level.dart';
 import 'package:wolf_dart/features/map/wolf_map_parser.dart';
-import 'package:wolf_dart/vswap_parser.dart';
 
 class WolfMap {
   /// The fully parsed and decompressed levels from the game files.
   final List<WolfLevel> levels;
-  final List<Matrix<int>> textures;
-  final List<Matrix<int>> sprites;
+  final List<Sprite> textures;
+  final List<Sprite> sprites;
 
   // A private constructor so we can only instantiate this from the async loader
   WolfMap._(

lib/features/map/wolf_map_parser.dart

@@ -1,7 +1,7 @@
 import 'dart:convert';
 import 'dart:typed_data';
 
-import 'package:wolf_dart/classes/matrix.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/entities/map_objects.dart';
 import 'package:wolf_dart/features/map/wolf_level.dart';
 
@@ -86,8 +86,8 @@ abstract class WolfMapParser {
         }
       }
 
-      Matrix<int> wallGrid = [];
-      Matrix<int> objectGrid = []; // NEW
+      Sprite wallGrid = [];
+      Sprite objectGrid = []; // NEW
 
       for (int y = 0; y < height; y++) {
         List<int> wallRow = [];

lib/features/renderer/raycast_painter.dart

@@ -1,21 +1,21 @@
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/classes/matrix.dart';
 import 'package:wolf_dart/features/entities/entity.dart';
-import 'package:wolf_dart/features/entities/pushwall_manager.dart'; // NEW IMPORT
+import 'package:wolf_dart/features/entities/pushwall_manager.dart';
 import 'package:wolf_dart/features/player/player.dart';
 import 'package:wolf_dart/features/renderer/color_palette.dart';
 
 class RaycasterPainter extends CustomPainter {
-  final Matrix<int> map;
-  final List<Matrix<int>> textures;
+  final Level map;
+  final List<Sprite> textures;
   final Player player;
   final double fov;
   final Map<String, double> doorOffsets;
-  final Pushwall? activePushwall; // NEW
-  final List<Matrix<int>> sprites;
+  final Pushwall? activePushwall;
+  final List<Sprite> sprites;
   final List<Entity> entities;
 
   RaycasterPainter({
@@ -24,7 +24,7 @@ class RaycasterPainter extends CustomPainter {
     required this.player,
     required this.fov,
     required this.doorOffsets,
-    this.activePushwall, // NEW
+    this.activePushwall,
     required this.sprites,
     required this.entities,
   });
@@ -289,7 +289,7 @@ class RaycasterPainter extends CustomPainter {
             double drawX = stripe * columnWidth;
 
             int safeIndex = entity.spriteIndex.clamp(0, sprites.length - 1);
-            Matrix<int> spritePixels = sprites[safeIndex];
+            Sprite spritePixels = sprites[safeIndex];
 
             for (int ty = 0; ty < 64; ty++) {
               int colorByte = spritePixels[texX][ty];
@@ -322,7 +322,7 @@ class RaycasterPainter extends CustomPainter {
     int side,
     Size size,
     int hitWallId,
-    List<Matrix<int>> textures,
+    List<Sprite> textures,
     double textureOffset,
     Paint paint,
   ) {

lib/features/renderer/renderer.dart

@@ -2,8 +2,8 @@ import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
 import 'package:flutter/scheduler.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/classes/coordinate_2d.dart';
-import 'package:wolf_dart/classes/matrix.dart';
 import 'package:wolf_dart/features/difficulty/difficulty.dart';
 import 'package:wolf_dart/features/entities/collectible.dart';
 import 'package:wolf_dart/features/entities/door_manager.dart';
@@ -45,7 +45,7 @@ class _WolfRendererState extends State<WolfRenderer>
   late Ticker _gameLoop;
   final FocusNode _focusNode = FocusNode();
   late WolfMap gameMap;
-  late Matrix<int> currentLevel;
+  late Level currentLevel;
 
   final double fov = math.pi / 3;
 
@@ -71,7 +71,7 @@ class _WolfRendererState extends State<WolfRenderer>
 
     doorManager.initDoors(currentLevel);
 
-    final Matrix<int> objectLevel = gameMap.levels[0].objectGrid;
+    final Level objectLevel = gameMap.levels[0].objectGrid;
 
     pushwallManager.initPushwalls(currentLevel, objectLevel);
 

lib/features/renderer/weapon_painter.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:wolf_dart/classes/sprite.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/renderer/color_palette.dart';
 
 class WeaponPainter extends CustomPainter {