Miscellaneous cleanup and commenting

src/main/java/electroblob/wizardry/entity/projectile/EntityDart.java

@@ -15,7 +15,7 @@ public class EntityDart extends EntityMagicArrow {
 		super(world);
 	}
 
-	@Override public double getDamage(){ return 4.0d; }
+	@Override public double getDamage(){ return 4; }
 
 	@Override public boolean doGravity(){ return true; }
 

src/main/java/electroblob/wizardry/entity/projectile/EntityIceShard.java

@@ -17,7 +17,7 @@ public class EntityIceShard extends EntityMagicArrow {
 		super(world);
 	}
 
-	@Override public double getDamage(){ return 6.0d; }
+	@Override public double getDamage(){ return 6; }
 
 	@Override public DamageType getDamageType(){ return DamageType.FROST; }
 

src/main/java/electroblob/wizardry/entity/projectile/EntityMagicArrow.java

@@ -252,6 +252,9 @@ public abstract class EntityMagicArrow extends Entity implements IProjectile, IE
 
 			this.ticksInGround = 0;
 			++this.ticksInAir;
+			
+			// Does a ray trace to determine whether the projectile will hit a block in the next tick
+			
 			Vec3d vec3d1 = new Vec3d(this.posX, this.posY, this.posZ);
 			Vec3d vec3d = new Vec3d(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
 			RayTraceResult raytraceresult = this.world.rayTraceBlocks(vec3d1, vec3d, false, true, false);
@@ -262,6 +265,9 @@ public abstract class EntityMagicArrow extends Entity implements IProjectile, IE
 				vec3d = new Vec3d(raytraceresult.hitVec.x, raytraceresult.hitVec.y,
 						raytraceresult.hitVec.z);
 			}
+			
+			// Uses bounding boxes to determine whether the projectile will hit an entity in the next tick, and if so
+			// overwrites the block hit with an entity
 
 			Entity entity = null;
 			List<?> list = this.world.getEntitiesWithinAABBExcludingEntity(this, this.getEntityBoundingBox()

src/main/java/electroblob/wizardry/entity/projectile/EntityMagicMissile.java

@@ -13,7 +13,7 @@ public class EntityMagicMissile extends EntityMagicArrow {
 		super(world);
 	}
 
-	@Override public double getDamage(){ return 4.0d; }
+	@Override public double getDamage(){ return 4; }
 
 	@Override public boolean doGravity(){ return false; }
 

src/main/java/electroblob/wizardry/entity/projectile/EntityMagicProjectile.java

@@ -70,6 +70,7 @@ public abstract class EntityMagicProjectile extends EntityThrowable implements I
 			// Depends on the horizontal distance between the two entities and accounts for bullet drop,
 			// but of course if gravity is ignored this should be 0 since there is no bullet drop.
 			float bulletDropCompensation = !this.hasNoGravity() ? (float)horizontalDistance * 0.2f : 0;
+			// It turns out that this method normalises the input (x, y, z) anyway
 			this.shoot(dx, dy + (double)bulletDropCompensation, dz, speed, aimingError);
 		}
 	}