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wolf_dart/lib/features/entities/entity_registry.dart

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Dart

import 'package:wolf_dart/features/difficulty/difficulty.dart';
import 'package:wolf_dart/features/entities/collectible.dart';
import 'package:wolf_dart/features/entities/decorative.dart';
import 'package:wolf_dart/features/entities/enemies/brown_guard.dart';
import 'package:wolf_dart/features/entities/enemies/dog.dart';
import 'package:wolf_dart/features/entities/entity.dart';
import 'package:wolf_dart/features/entities/map_objects.dart';
typedef EntitySpawner =
Entity? Function(
int objId,
double x,
double y,
Difficulty difficulty,
);
abstract class EntityRegistry {
static final List<EntitySpawner> _spawners = [
BrownGuard.trySpawn,
Dog.trySpawn,
Collectible.trySpawn,
Decorative.trySpawn,
];
static Entity? spawn(
int objId,
double x,
double y,
Difficulty difficulty,
int maxSprites,
) {
// 1. Difficulty check before even looking for a spawner
if (!MapObject.shouldSpawn(objId, difficulty)) return null;
for (final spawner in _spawners) {
Entity? entity = spawner(objId, x, y, difficulty);
if (entity != null) {
// Safety bounds check for the VSWAP array
if (entity.spriteIndex >= 0 && entity.spriteIndex < maxSprites) {
return entity;
}
return null; // VSWAP doesn't have this sprite!
}
}
return null; // No class claimed this Map ID
}
}