From ccc9dfbfd2fc459f7c59b35b85acf0ed5499c957 Mon Sep 17 00:00:00 2001
From: Robert <rseifert.phone@gmail.com>
Date: Mon, 11 Nov 2013 19:13:53 -0500
Subject: [PATCH] Added to ray trace helper

---
 src/dark/api/events/LaserEvent.java           |  7 +++
 src/dark/core/helpers/RayTraceHelper.java     | 43 +++++++++++++++++++
 .../machine/TileEntityEnergyMachine.java      |  2 +-
 3 files changed, 51 insertions(+), 1 deletion(-)

diff --git a/src/dark/api/events/LaserEvent.java b/src/dark/api/events/LaserEvent.java
index 22ff27a2..5db06cf8 100644
--- a/src/dark/api/events/LaserEvent.java
+++ b/src/dark/api/events/LaserEvent.java
@@ -4,6 +4,7 @@ import java.util.List;
 
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.MovingObjectPosition;
 import net.minecraft.world.World;
 import net.minecraftforge.common.MinecraftForge;
@@ -38,6 +39,12 @@ public class LaserEvent extends Event
             super(world, spot, target);
             this.shooter = shooter;
         }
+
+        public LaserFireEvent(TileEntity tileEntity, MovingObjectPosition hit)
+        {
+            super(tileEntity.worldObj, new Vector3(tileEntity), new Vector3(hit));
+            this.shooter = tileEntity;
+        }
     }
 
     /** Called when a player fires a laser. Use this to cancel a laser hit event */
diff --git a/src/dark/core/helpers/RayTraceHelper.java b/src/dark/core/helpers/RayTraceHelper.java
index fbaf7beb..ac3080b8 100644
--- a/src/dark/core/helpers/RayTraceHelper.java
+++ b/src/dark/core/helpers/RayTraceHelper.java
@@ -2,6 +2,9 @@ package dark.core.helpers;
 
 import java.util.List;
 
+import universalelectricity.core.vector.Quaternion;
+import universalelectricity.core.vector.Vector3;
+
 import net.minecraft.entity.Entity;
 import net.minecraft.util.AxisAlignedBB;
 import net.minecraft.util.MathHelper;
@@ -151,6 +154,46 @@ public class RayTraceHelper
         return world.rayTraceBlocks_do_do(start, end, collisionFlag, !collisionFlag);
     }
 
+    public static Vector3 getPosFromRotation(Vector3 center, Vector3 spot, float yaw, float pitch)
+    {
+        double reachDistance = center.distance(spot);
+        return getPosFromRotation(spot, reachDistance, pitch, pitch);
+    }
+
+    public static Vector3 getPosFromRotation(Vector3 center, double reachDistance, float yaw, float pitch)
+    {
+        Quaternion q = new Quaternion();
+        q.FromEuler(yaw, pitch, 0);
+        return center.clone().translate(q.multi(Vector3.NORTH().scale(reachDistance)));
+    }
+
+    public static MovingObjectPosition ray_trace_do(World world, Vec3 start, float yaw, float pitch, double reachDistance, boolean collisionFlag)
+    {
+
+        Vec3 end = getPosFromRotation(new Vector3(start), reachDistance, yaw, pitch).toVec3();
+        MovingObjectPosition hitBlock = raytraceBlocks(world, start, end, collisionFlag);
+        MovingObjectPosition hitEntity = raytraceEntities(world, start, end, collisionFlag, null);
+        if (hitEntity == null)
+        {
+            return hitBlock;
+        }
+        else if (hitBlock == null)
+        {
+            return hitEntity;
+        }
+        else
+        {
+            if (hitEntity.hitVec.distanceTo(start) < hitBlock.hitVec.distanceTo(start))
+            {
+                return hitEntity;
+            }
+            else
+            {
+                return hitBlock;
+            }
+        }
+    }
+
     public static MovingObjectPosition ray_trace_do(World world, Entity entity, Vec3 e, double reachDistance, boolean collisionFlag)
     {
 
diff --git a/src/dark/core/prefab/machine/TileEntityEnergyMachine.java b/src/dark/core/prefab/machine/TileEntityEnergyMachine.java
index 35e2b3f4..a1c87bb6 100644
--- a/src/dark/core/prefab/machine/TileEntityEnergyMachine.java
+++ b/src/dark/core/prefab/machine/TileEntityEnergyMachine.java
@@ -41,7 +41,7 @@ import dark.core.common.ExternalModHandler;
  * Based off both UE universal electrical tile, and electrical tile prefabs
  * 
  * @author DarkGuardsman */
-public class TileEntityEnergyMachine extends TileEntityMachine implements IElectrical, IElectricalStorage, IPowerLess
+public abstract class TileEntityEnergyMachine extends TileEntityMachine implements IElectrical, IElectricalStorage, IPowerLess
 {
     /** Forge Ore Directory name of the item to toggle infinite power mode */
     public static String powerToggleItemID = "battery";