Starting to move data loader to its own package

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

lib/classes/sprite.dart

@@ -1 +0,0 @@
-typedef Sprite = List<List<int>>;

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 {

lib/sprite_gallery.dart

@@ -1,9 +1,9 @@
 import 'package:flutter/material.dart';
-import 'package:wolf_dart/classes/matrix.dart';
+import 'package:wolf_3d_data/wolf_3d_data.dart';
 import 'package:wolf_dart/features/renderer/color_palette.dart';
 
 class SpriteGallery extends StatelessWidget {
-  final List<Matrix<int>> sprites;
+  final List<Sprite> sprites;
 
   const SpriteGallery({super.key, required this.sprites});
 
@@ -42,7 +42,7 @@ class SpriteGallery extends StatelessWidget {
 }
 
 class SingleSpritePainter extends CustomPainter {
-  final Matrix<int> sprite;
+  final Sprite sprite;
   SingleSpritePainter({required this.sprite});
 
   @override

packages/wolf_3d_data/.gitignore

@@ -0,0 +1,7 @@
+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/
+
+# Avoid committing pubspec.lock for library packages; see
+# https://dart.dev/guides/libraries/private-files#pubspeclock.
+pubspec.lock

packages/wolf_3d_data/CHANGELOG.md

@@ -0,0 +1,3 @@
+## 1.0.0
+
+- Initial version.

packages/wolf_3d_data/README.md

@@ -0,0 +1,39 @@
+<!-- 
+This README describes the package. If you publish this package to pub.dev,
+this README's contents appear on the landing page for your package.
+
+For information about how to write a good package README, see the guide for
+[writing package pages](https://dart.dev/tools/pub/writing-package-pages). 
+
+For general information about developing packages, see the Dart guide for
+[creating packages](https://dart.dev/guides/libraries/create-packages)
+and the Flutter guide for
+[developing packages and plugins](https://flutter.dev/to/develop-packages). 
+-->
+
+TODO: Put a short description of the package here that helps potential users
+know whether this package might be useful for them.
+
+## Features
+
+TODO: List what your package can do. Maybe include images, gifs, or videos.
+
+## Getting started
+
+TODO: List prerequisites and provide or point to information on how to
+start using the package.
+
+## Usage
+
+TODO: Include short and useful examples for package users. Add longer examples
+to `/example` folder. 
+
+```dart
+const like = 'sample';
+```
+
+## Additional information
+
+TODO: Tell users more about the package: where to find more information, how to 
+contribute to the package, how to file issues, what response they can expect 
+from the package authors, and more.

packages/wolf_3d_data/analysis_options.yaml

@@ -0,0 +1,30 @@
+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lints/recommended.yaml
+
+# Uncomment the following section to specify additional rules.
+
+# linter:
+#   rules:
+#     - camel_case_types
+
+# analyzer:
+#   exclude:
+#     - path/to/excluded/files/**
+
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

packages/wolf_3d_data/lib/src/classes/level.dart

@@ -0,0 +1,3 @@
+import 'matrix.dart';
+
+typedef Level = Matrix<int>;

packages/wolf_3d_data/lib/src/classes/sprite.dart

@@ -0,0 +1,3 @@
+import 'matrix.dart';
+
+typedef Sprite = Matrix<int>;

packages/wolf_3d_data/lib/src/vswap_parser.dart

@@ -1,11 +1,10 @@
 import 'dart:typed_data';
 
-import 'package:wolf_dart/classes/matrix.dart';
-import 'package:wolf_dart/classes/sprite.dart';
+import 'classes/sprite.dart';
 
 class VswapParser {
   /// Extracts the 64x64 wall textures from VSWAP.WL1
-  static List<Matrix<int>> parseWalls(ByteData vswap) {
+  static List<Sprite> parseWalls(ByteData vswap) {
     // 1. Read Header
     int chunks = vswap.getUint16(0, Endian.little);
     int spriteStart = vswap.getUint16(2, Endian.little);
@@ -42,7 +41,7 @@ class VswapParser {
   }
 
   /// Extracts the compiled scaled sprites from VSWAP.WL1
-  static List<Matrix<int>> parseSprites(ByteData vswap) {
+  static List<Sprite> parseSprites(ByteData vswap) {
     int chunks = vswap.getUint16(0, Endian.little);
     int spriteStart = vswap.getUint16(2, Endian.little);
     int soundStart = vswap.getUint16(4, Endian.little);
@@ -52,7 +51,7 @@ class VswapParser {
       offsets.add(vswap.getUint32(6 + (i * 4), Endian.little));
     }
 
-    List<Matrix<int>> sprites = [];
+    List<Sprite> sprites = [];
 
     // Sprites are located between the walls and the sounds
     for (int i = spriteStart; i < soundStart; i++) {
@@ -60,7 +59,7 @@ class VswapParser {
       if (offset == 0) continue; // Some chunks are empty placeholders
 
       // Initialize the 64x64 grid with 255 (The Magenta Transparency Color!)
-      Matrix<int> sprite = List.generate(64, (_) => List.filled(64, 255));
+      Sprite sprite = List.generate(64, (_) => List.filled(64, 255));
 
       int leftPix = vswap.getUint16(offset, Endian.little);
       int rightPix = vswap.getUint16(offset + 2, Endian.little);

packages/wolf_3d_data/lib/wolf_3d_data.dart

@@ -0,0 +1,8 @@
+/// Support for doing something awesome.
+///
+/// More dartdocs go here.
+library;
+
+export 'src/classes/level.dart' show Level;
+export 'src/classes/sprite.dart' show Sprite;
+export 'src/vswap_parser.dart' show VswapParser;

packages/wolf_3d_data/pubspec.yaml

@@ -0,0 +1,13 @@
+name: wolf_3d_data
+description: A starting point for Dart libraries or applications.
+version: 1.0.0
+# repository: https://github.com/my_org/my_repo
+
+environment:
+  sdk: ^3.11.1
+
+resolution: workspace
+
+dev_dependencies:
+  lints: ^6.0.0
+  test: ^1.25.6

pubspec.yaml

@@ -7,6 +7,7 @@ environment:
   sdk: ^3.11.1
 
 dependencies:
+  wolf_3d_data: any
   flutter:
     sdk: flutter
 
@@ -19,3 +20,6 @@ flutter:
   uses-material-design: true
   assets:
     - assets/
+
+workspace:
+  - packages/wolf_3d_data