From cdedfe1a98c69c9fe9f7284d284bf620525593c9 Mon Sep 17 00:00:00 2001
From: hneuer <hanno.neuer@gmail.com>
Date: Sat, 24 Aug 2013 13:33:48 +0200
Subject: [PATCH] Added ParticleLoader.

---
 gdx/src/com/badlogic/gdx/assets/AssetManager.java  |  3 ++
 .../gdx/assets/loaders/ParticleEffectLoader.java   | 49 ++++++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 gdx/src/com/badlogic/gdx/assets/loaders/ParticleEffectLoader.java

diff --git a/gdx/src/com/badlogic/gdx/assets/AssetManager.java b/gdx/src/com/badlogic/gdx/assets/AssetManager.java
index 22bf9d171..f84e4471e 100644
--- a/gdx/src/com/badlogic/gdx/assets/AssetManager.java
+++ b/gdx/src/com/badlogic/gdx/assets/AssetManager.java
@@ -28,6 +28,7 @@ import com.badlogic.gdx.assets.loaders.BitmapFontLoader;
 import com.badlogic.gdx.assets.loaders.FileHandleResolver;
 import com.badlogic.gdx.assets.loaders.ModelLoader;
 import com.badlogic.gdx.assets.loaders.MusicLoader;
+import com.badlogic.gdx.assets.loaders.ParticleEffectLoader;
 import com.badlogic.gdx.assets.loaders.PixmapLoader;
 import com.badlogic.gdx.assets.loaders.SkinLoader;
 import com.badlogic.gdx.assets.loaders.SoundLoader;
@@ -39,6 +40,7 @@ import com.badlogic.gdx.audio.Sound;
 import com.badlogic.gdx.graphics.Pixmap;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.BitmapFont;
+import com.badlogic.gdx.graphics.g2d.ParticleEffect;
 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
 import com.badlogic.gdx.graphics.g3d.Model;
 import com.badlogic.gdx.graphics.g3d.loader.G3dModelLoader;
@@ -89,6 +91,7 @@ public class AssetManager implements Disposable {
 		setLoader(TextureAtlas.class, new TextureAtlasLoader(resolver));
 		setLoader(Texture.class, new TextureLoader(resolver));
 		setLoader(Skin.class, new SkinLoader(resolver));
+		setLoader(ParticleEffect.class, new ParticleEffectLoader(resolver));
 		setLoader(Model.class, ".g3dj", new G3dModelLoader(new JsonReader(), resolver));
 		setLoader(Model.class, ".g3db", new G3dModelLoader(new UBJsonReader(), resolver));
 		setLoader(Model.class, ".obj", new ObjLoader(resolver));
diff --git a/gdx/src/com/badlogic/gdx/assets/loaders/ParticleEffectLoader.java b/gdx/src/com/badlogic/gdx/assets/loaders/ParticleEffectLoader.java
new file mode 100644
index 000000000..431a62cf4
--- /dev/null
+++ b/gdx/src/com/badlogic/gdx/assets/loaders/ParticleEffectLoader.java
@@ -0,0 +1,49 @@
+package com.badlogic.gdx.assets.loaders;
+
+import com.badlogic.gdx.assets.AssetDescriptor;
+import com.badlogic.gdx.assets.AssetLoaderParameters;
+import com.badlogic.gdx.assets.AssetManager;
+import com.badlogic.gdx.files.FileHandle;
+import com.badlogic.gdx.graphics.g2d.ParticleEffect;
+import com.badlogic.gdx.graphics.g2d.TextureAtlas;
+import com.badlogic.gdx.utils.Array;
+
+/** {@link AssetLoader} to load {@link ParticleEffect} instances. Passing a {@link ParticleEffectParameter} to
+ * {@link AssetManager#load(String, Class, AssetLoaderParameters)} allows to specify an atlas file or an image directory to be
+ * used for the effect's images. Per default images are loaded from the directory in which the effect file is found. */
+public class ParticleEffectLoader extends SynchronousAssetLoader<ParticleEffect, ParticleEffectLoader.ParticleEffectParameter> {
+	public ParticleEffectLoader (FileHandleResolver resolver) {
+		super(resolver);
+	}
+
+	@Override
+	public ParticleEffect load (AssetManager am, String fileName, FileHandle file, ParticleEffectParameter param) {
+		ParticleEffect effect = new ParticleEffect();
+		if (param != null && param.atlasFile != null)
+			effect.load(file, am.get(param.atlasFile, TextureAtlas.class));
+		else if (param != null && param.imagesDir != null)
+			effect.load(file, param.imagesDir);
+		else
+			effect.load(file, file.parent());
+		return effect;
+	}
+
+	@Override
+	public Array<AssetDescriptor> getDependencies (String fileName, FileHandle file, ParticleEffectParameter param) {
+		Array<AssetDescriptor> deps = null;
+		if (param != null && param.atlasFile != null) {
+			deps = new Array<AssetDescriptor>();
+			deps.add(new AssetDescriptor<TextureAtlas>(param.atlasFile, TextureAtlas.class));
+		}
+		return deps;
+	}
+
+	/** Parameter to be passed to {@link AssetManager#load(String, Class, AssetLoaderParameters)} if additional configuration is
+	 * necessary for the {@link ParticleEffect}. */
+	public static class ParticleEffectParameter extends AssetLoaderParameters<ParticleEffect> {
+		/** Atlas file name. */
+		public String atlasFile;
+		/** Image directory. */
+		public FileHandle imagesDir;
+	}
+}
\ No newline at end of file
-- 
2.11.0