Load custom emitters from the Resource bundle.

src/de/gurkenlabs/litiengine/environment/EntitySpawner.java

@@ -3,6 +3,7 @@
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Objects;
+import java.util.function.Function;
 import java.util.function.IntFunction;
 
 import de.gurkenlabs.litiengine.Game;
@@ -19,7 +20,7 @@ public abstract class EntitySpawner<T extends IEntity> implements IEntitySpawner
   private int spawnDelay;
   private SpawnMode spawnMode;
   private List<Spawnpoint> spawnpoints;
-  private IntFunction<List<Spawnpoint>> customSpawnpoints;
+  private Function<IEntitySpawner<T>, List<Spawnpoint>> customSpawnpoints;
 
   /**
    * Initializes a new instance of the <code>EntitySpawner</code> class.
@@ -41,7 +42,7 @@ public EntitySpawner(final List<Spawnpoint> spawnpoints, final int interval, fin
     this.spawnMode = SpawnMode.ALLSPAWNPOINTS;
   }
 
-  public EntitySpawner(final int interval, final int amount, IntFunction<List<Spawnpoint>> spawnpointCallback) {
+  public EntitySpawner(final int interval, final int amount, Function<IEntitySpawner<T>, List<Spawnpoint>> spawnpointCallback) {
     this(new ArrayList<Spawnpoint>(), interval, amount);
     Objects.nonNull(spawnpointCallback);
 
@@ -130,7 +131,7 @@ protected void spawnNewEntities() {
       }
       break;
     case CUSTOMSPAWNPOINTS:
-      List<Spawnpoint> spawnPoints = this.customSpawnpoints.apply(this.getSpawnAmount());
+      List<Spawnpoint> spawnPoints = this.customSpawnpoints.apply(this);
 
       int index = 0;
       for (Spawnpoint spawn : spawnPoints) {

src/de/gurkenlabs/litiengine/graphics/emitters/xml/CustomEmitter.java

@@ -112,6 +112,14 @@ public static EmitterData load(EmitterData emitterData) {
     return emitterData;
   }
 
+  public static CustomEmitter get(String name) {
+    if (loadedCustomEmitters.containsKey(name)) {
+      return new CustomEmitter(loadedCustomEmitters.get(name));
+    }
+
+    return null;
+  }
+
   public EmitterData getEmitterData() {
     return this.emitterData;
   }

src/de/gurkenlabs/litiengine/resources/Resources.java

@@ -21,6 +21,8 @@
 import de.gurkenlabs.litiengine.environment.tilemap.xml.Blueprint;
 import de.gurkenlabs.litiengine.environment.tilemap.xml.Tileset;
 import de.gurkenlabs.litiengine.graphics.Spritesheet;
+import de.gurkenlabs.litiengine.graphics.emitters.xml.CustomEmitter;
+import de.gurkenlabs.litiengine.graphics.emitters.xml.EmitterData;
 import de.gurkenlabs.litiengine.sound.Sound;
 import de.gurkenlabs.litiengine.util.TimeUtilities;
 
@@ -220,6 +222,11 @@ public static void load(final URL gameResourceFile) {
     }
 
     log.log(Level.INFO, "{0} sprites loaded to memory", new Object[] { spriteload });
+
+    for (final EmitterData emitter : file.getEmitters()) {
+      CustomEmitter.load(emitter);
+    }
+
     final double loadTime = TimeUtilities.nanoToMs(System.nanoTime() - loadStart);
 
     log.log(Level.INFO, "loading game resources from {0} took {1} ms", new Object[] { gameResourceFile, loadTime });