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/ParticleLightningPulse.java

@@ -0,0 +1,38 @@
+package electroblob.wizardry.client.particle;
+
+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)
+@Mod.EventBusSubscriber(Side.CLIENT)
+public class ParticleLightningPulse extends ParticleWizardry {
+
+	private static final ResourceLocation[] TEXTURES = generateTextures("lightning_pulse", 8);
+
+	public ParticleLightningPulse(World world, double x, double y, double z){
+		
+		super(world, x, y, z, TEXTURES);
+		
+		this.particleScale = 32f;
+		this.setRBGColorF(1, 1, 1);
+		this.shaded = false;
+		this.canCollide = false;
+		this.setMaxAge(7); // Lifetime defaults to 7 (and is very unlikely to be changed)
+		// Faces up by default
+		this.pitch = 90;
+		this.yaw = 0;
+	}
+	
+	@SubscribeEvent
+	public static void onTextureStitchEvent(TextureStitchEvent.Pre event){
+		for(ResourceLocation texture : TEXTURES){
+			event.getMap().registerSprite(texture);
+		}
+	}
+
+}