The great particle refactoring part 2: Splitting and Streamlining!

- Splits all particle textures into individual files intead of sprite sheets
- Replaces arc and lightning pulse entities with particles
- Pulls particle code up to the general ParticleWizardry so behaviours such as spin can be applied to all particle types
- Renames a few ParticleBuilder methods for conciseness.
- Adds a few new particle effects to various spells and entities, with a slight tweak to EntityMagicArrow#onBlockHit to facilitate impact effects

src/main/java/electroblob/wizardry/client/particle/ParticleLeaf.java

@@ -1,41 +1,47 @@
 package electroblob.wizardry.client.particle;
 
-import electroblob.wizardry.Wizardry;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.world.World;
+import net.minecraftforge.client.event.TextureStitchEvent;
+import net.minecraftforge.fml.common.Mod;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 
 @SideOnly(Side.CLIENT)
-public class ParticleLeaf extends ParticleCustomTexture {
+@Mod.EventBusSubscriber(Side.CLIENT)
+public class ParticleLeaf extends ParticleWizardry {
 
-	private static final ResourceLocation TEXTURE = new ResourceLocation(Wizardry.MODID,
-			"textures/particle/leaf_particles.png");
+	private static final ResourceLocation[] TEXTURES = generateTextures("leaf", 16);
 
 	public ParticleLeaf(World world, double x, double y, double z){
-		super(world, x, y, z);
+		
+		super(world, x, y, z, TEXTURES[world.rand.nextInt(TEXTURES.length)]);
+		
 		this.setVelocity(0, -0.03, 0);
-		this.setLifetime(10 + rand.nextInt(5));
-		this.setParticleTextureIndex(rand.nextInt(16));
+		this.setMaxAge(10 + rand.nextInt(5));
 		this.particleScale *= 1.4f;
 		this.particleGravity = 0;
 		this.canCollide = true;
 		// Produces a variety of browns and greens
 		this.setRBGColorF(0.1f + 0.3f * world.rand.nextFloat(), 0.5f + 0.3f * world.rand.nextFloat(), 0.1f);
 	}
-
+	
 	@Override
-	public ResourceLocation getTexture(){
-		return TEXTURE;
+	public void onUpdate(){
+
+		super.onUpdate();
+		
+		// Fading
+		if(this.particleAge > this.particleMaxAge / 2){
+			this.setAlphaF(1 - ((float)this.particleAge - (float)(this.particleMaxAge / 2)) / (float)this.particleMaxAge);
+		}
 	}
-
-	@Override
-	protected int getXFrames(){
-		return 4;
-	}
-
-	@Override
-	protected int getYFrames(){
-		return 4;
+	
+	@SubscribeEvent
+	public static void onTextureStitchEvent(TextureStitchEvent.Pre event){
+		for(ResourceLocation texture : TEXTURES){
+			event.getMap().registerSprite(texture);
+		}
 	}
 }