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/block/BlockSpectral.java

@@ -70,9 +70,9 @@ public class BlockSpectral extends BlockContainer {
 		// Top surface
 		for(int i=0; i<2; i++){
 			ParticleBuilder.create(Type.DUST)
-			.pos(pos.getX() + random.nextDouble(), pos.getY() + 1, pos.getZ() + random.nextDouble())
-			.lifetime((int)(16.0D / (Math.random() * 0.8D + 0.2D)))
-			.colour(0.4f + random.nextFloat() * 0.2f, 0.6f + random.nextFloat() * 0.4f, 0.6f + random.nextFloat() * 0.4f)
+			.pos(pos.getX() + random.nextDouble(), pos.getY() + random.nextDouble(), pos.getZ() + random.nextDouble())
+			.time((int)(16.0D / (Math.random() * 0.8D + 0.2D)))
+			.clr(0.4f + random.nextFloat() * 0.2f, 0.6f + random.nextFloat() * 0.4f, 0.6f + random.nextFloat() * 0.4f)
 			.shaded(true).spawn(world);
 		}
 	}