#161 Immersive Engineering integration

Re-connects Immersive Engineering wires if one connector moves.
Correctly handles one and both connectors being on a carriage package,
but not if the connectors are moved simultaneously on different carriage
packages.

src/main/java/me/planetguy/remaininmotion/core/interop/ModInteraction.java

@@ -17,6 +17,7 @@
 import me.planetguy.remaininmotion.core.interop.mod.ChickenChunks;
 import me.planetguy.remaininmotion.core.interop.mod.EnderIO;
 import me.planetguy.remaininmotion.core.interop.mod.ForgeMultipart;
+import me.planetguy.remaininmotion.core.interop.mod.ImmersiveEngineering;
 import me.planetguy.remaininmotion.core.interop.mod.QmunityMultipart;
 import me.planetguy.remaininmotion.drive.TileEntityCarriageController;
 import me.planetguy.remaininmotion.util.general.Computers;
@@ -61,6 +62,10 @@ public static void Establish() {
         	EventManager.registerEventHandler(new CarpentersBlocks());
         }
 
+        if(true) { //for debugging - I've had to change IE's modID Loader.isModLoaded("ImmersiveEngineering")) {
+        	EventManager.registerEventHandler(new ImmersiveEngineering());
+        }
+
 		Wrenches.init();
 
 		Computers.setup();

src/main/java/me/planetguy/remaininmotion/core/interop/mod/ImmersiveEngineering.java

@@ -0,0 +1,92 @@
+package me.planetguy.remaininmotion.core.interop.mod;
+
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.util.ChunkCoordinates;
+import blusunrize.immersiveengineering.api.energy.IImmersiveConnectable;
+import blusunrize.immersiveengineering.api.energy.ImmersiveNetHandler;
+import blusunrize.immersiveengineering.api.energy.WireType;
+import blusunrize.immersiveengineering.api.energy.ImmersiveNetHandler.Connection;
+import blusunrize.immersiveengineering.common.blocks.metal.TileEntityConnectorLV;
+import blusunrize.immersiveengineering.common.util.Utils;
+import cpw.mods.fml.common.eventhandler.SubscribeEvent;
+import me.planetguy.remaininmotion.api.event.BlockPreMoveEvent;
+import me.planetguy.remaininmotion.api.event.TEPostPlaceEvent;
+import me.planetguy.remaininmotion.util.position.BlockRecord;
+
+public class ImmersiveEngineering {
+
+	@SubscribeEvent
+	public void onBlockPreMoveEvent(BlockPreMoveEvent e) {
+		if(e.location.entity() instanceof IImmersiveConnectable) {
+   			ChunkCoordinates teLoc=Utils.toCC(e.location.entity());
+			NBTTagList ls=new NBTTagList();
+			e.location.entityTag().setTag("RemIM_links", ls);
+			for(Connection c:ImmersiveNetHandler.INSTANCE
+				.getConnections(
+						e.location.entity().getWorldObj(),
+						teLoc)) {
+				NBTTagCompound t=new NBTTagCompound();
+				ls.appendTag(t);
+				t.setString("wire", c.cableType.getUniqueName());
+				t.setDouble("distance", c.length);
+				if(c.start.equals(teLoc)) {
+					//relative to TE
+					if(e.blocks.contains(new BlockRecord(c.end.posX, c.end.posY, c.end.posZ))) {
+						t.setBoolean("absolute", false);
+						t.setInteger("x", c.end.posX-teLoc.posX);
+						t.setInteger("y", c.end.posY-teLoc.posY);
+						t.setInteger("z", c.end.posZ-teLoc.posZ);
+					} else {
+						t.setBoolean("absolute", true);
+						t.setInteger("x", c.end.posX);
+						t.setInteger("y", c.end.posY);
+						t.setInteger("z", c.end.posZ);
+					}
+				} else if(c.end.equals(teLoc)) {
+					if(e.blocks.contains(new BlockRecord(c.start.posX, c.start.posY, c.start.posZ))) {
+						t.setBoolean("absolute", false);
+						t.setInteger("x", c.start.posX-teLoc.posX);
+						t.setInteger("y", c.start.posY-teLoc.posY);
+						t.setInteger("z", c.start.posZ-teLoc.posZ);
+					} else {
+						t.setBoolean("absolute", true);
+						t.setInteger("x", c.start.posX);
+						t.setInteger("y", c.start.posY);
+						t.setInteger("z", c.start.posZ);
+					}
+				}
+			}
+		}
+	}
+
+	@SubscribeEvent
+	public void onTEPostPlaceEvent(TEPostPlaceEvent e) {
+		if(e.location.entity() instanceof IImmersiveConnectable) {
+			ChunkCoordinates teLoc=Utils.toCC(e.location.entity());
+			NBTTagList tag=e.location.entityTag().getTagList("RemIM_links", 10);
+			for(int i=0; i<tag.tagCount(); i++) {
+				NBTTagCompound conn=tag.getCompoundTagAt(i);
+				int x, y, z;
+				if(conn.getBoolean("absolute")) {
+					x=conn.getInteger("x");
+					y=conn.getInteger("y");
+					z=conn.getInteger("z");
+				}else {
+					x=conn.getInteger("x") + teLoc.posX;
+					y=conn.getInteger("y") + teLoc.posY;
+					z=conn.getInteger("z") + teLoc.posZ;
+				}
+				if(e.location.world().getTileEntity(x,y,z)
+						instanceof IImmersiveConnectable) {
+					WireType type=WireType.getValue(conn.getString("wire"));
+					ChunkCoordinates newPos=new ChunkCoordinates(x,y,z);
+					int distance=(int) Math.ceil(Math.sqrt(newPos.getDistanceSquaredToChunkCoordinates(teLoc)));
+					if(distance<=type.getMaxLength())
+						ImmersiveNetHandler.INSTANCE.addConnection(e.location.world(), teLoc, newPos, distance, type);
+				}
+			}
+		}
+	}
+
+}