LiteLoader / LiteLoader · Files

package com.mumfrey.liteloader.util;

import net.minecraft.entity.Entity;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;

public abstract class EntityUtilities
{
	public static MovingObjectPosition rayTraceFromEntity(Entity entity, double traceDistance, float partialTicks)
	{
		Vec3 var4 = EntityUtilities.getPositionEyes(entity, partialTicks);
		Vec3 var5 = entity.getLook(partialTicks);
		Vec3 var6 = var4.addVector(var5.xCoord * traceDistance, var5.yCoord * traceDistance, var5.zCoord * traceDistance);
		return entity.worldObj.rayTraceBlocks(var4, var6, false, false, true);
	}
	
	public static Vec3 getPositionEyes(Entity entity, float partialTicks)
	{
		if (partialTicks == 1.0F)
		{
			return new Vec3(entity.posX, entity.posY + entity.getEyeHeight(), entity.posZ);
		}
		
		double interpX = entity.prevPosX + (entity.posX - entity.prevPosX) * partialTicks;
		double interpY = entity.prevPosY + (entity.posY - entity.prevPosY) * partialTicks + entity.getEyeHeight();
		double interpZ = entity.prevPosZ + (entity.posZ - entity.prevPosZ) * partialTicks;
		return new Vec3(interpX, interpY, interpZ);
	}
}