Move doors to door manager

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

lib/features/entities/door_manager.dart

@@ -0,0 +1,56 @@
+import 'dart:math' as math;
+
+import 'package:wolf_dart/features/map/door.dart';
+
+class DoorManager {
+  // Key is '$x,$y'
+  final Map<String, Door> doors = {};
+
+  void initDoors(List<List<int>> wallGrid) {
+    doors.clear();
+    for (int y = 0; y < wallGrid.length; y++) {
+      for (int x = 0; x < wallGrid[y].length; x++) {
+        int id = wallGrid[y][x];
+        if (id >= 90) {
+          // Assuming 90+ are doors based on your previous code
+          doors['$x,$y'] = Door(x: x, y: y, mapId: id);
+        }
+      }
+    }
+  }
+
+  void update(Duration elapsed) {
+    for (final door in doors.values) {
+      door.update(elapsed.inMilliseconds);
+    }
+  }
+
+  void handleInteraction(double playerX, double playerY, double playerAngle) {
+    int targetX = (playerX + math.cos(playerAngle)).toInt();
+    int targetY = (playerY + math.sin(playerAngle)).toInt();
+
+    String key = '$targetX,$targetY';
+    if (doors.containsKey(key)) {
+      doors[key]!.interact();
+    }
+  }
+
+  // Helper method for the raycaster
+  Map<String, double> getOffsetsForRenderer() {
+    Map<String, double> offsets = {};
+    for (var entry in doors.entries) {
+      if (entry.value.offset > 0.0) {
+        offsets[entry.key] = entry.value.offset;
+      }
+    }
+    return offsets;
+  }
+
+  bool isDoorOpenEnough(int x, int y) {
+    String key = '$x,$y';
+    if (doors.containsKey(key)) {
+      return doors[key]!.offset > 0.7;
+    }
+    return false; // Not a door we manage
+  }
+}