the last commit before the great energy massacre

src/main/java/api/hbm/energy/IEnergyConnector.java

@@ -4,6 +4,7 @@ import net.minecraftforge.common.util.ForgeDirection;
 
 /**
  * For anything that connects to power and can be transferred power to, the bottom-level interface.
+ * This is mean for TILE ENTITIES
  * @author hbm
  */
 public interface IEnergyConnector {

src/main/java/api/hbm/energy/IEnergyConnectorBlock.java

@@ -0,0 +1,25 @@
+package api.hbm.energy;
+
+import net.minecraft.world.IBlockAccess;
+import net.minecraft.world.World;
+import net.minecraftforge.common.util.ForgeDirection;
+
+/**
+ * Interface for all blocks that should visually connect to cables without having an IEnergyConnector tile entity.
+ * This is meant for BLOCKS
+ * @author hbm
+ *
+ */
+public interface IEnergyConnectorBlock {
+	
+	/**
+	 * Same as IEnergyConnector's method but for regular blocks that might not even have TEs. Used for rendering only!
+	 * @param world
+	 * @param x
+	 * @param y
+	 * @param z
+	 * @param dir
+	 * @return
+	 */
+	public boolean canConnect(IBlockAccess world, int x, int y, int z, ForgeDirection dir);
+}

src/main/java/com/hbm/interfaces/package-info.java

@@ -0,0 +1,5 @@
+package com.hbm.interfaces;
+
+/* 
+ * Please kill me
+ */

src/main/java/com/hbm/render/block/RenderTestCable.java

@@ -7,13 +7,16 @@ import com.hbm.main.ResourceManager;
 import com.hbm.render.util.ObjUtil;
 
 import api.hbm.energy.IEnergyConnector;
+import api.hbm.energy.IEnergyConnectorBlock;
 import cpw.mods.fml.client.registry.ISimpleBlockRenderingHandler;
 import net.minecraft.block.Block;
 import net.minecraft.client.renderer.RenderBlocks;
 import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.IIcon;
 import net.minecraft.world.IBlockAccess;
 import net.minecraftforge.client.model.obj.WavefrontObject;
+import net.minecraftforge.common.util.ForgeDirection;
 
 public class RenderTestCable implements ISimpleBlockRenderingHandler {
 
@@ -56,12 +59,12 @@ public class RenderTestCable implements ISimpleBlockRenderingHandler {
 		tessellator.setBrightness(block.getMixedBrightnessForBlock(world, x, y, z));
 		tessellator.setColorOpaque_F(1, 1, 1);
 
-		boolean pX = world.getTileEntity(x + 1, y, z) instanceof IEnergyConnector;
+		boolean pX = canConnect(world, x + 1, y, z, ForgeDirection.EAST);
-		boolean nX = world.getTileEntity(x - 1, y, z) instanceof IEnergyConnector;
+		boolean nX = canConnect(world, x - 1, y, z, ForgeDirection.WEST);
-		boolean pY = y > 255 ? false : world.getTileEntity(x, y + 1, z) instanceof IEnergyConnector;
+		boolean pY = canConnect(world, x, y + 1, z, ForgeDirection.UP);
-		boolean nY = y < 0 ? false : world.getTileEntity(x, y - 1, z) instanceof IEnergyConnector;
+		boolean nY = canConnect(world, x, y - 1, z, ForgeDirection.DOWN);
-		boolean pZ = world.getTileEntity(x, y, z + 1) instanceof IEnergyConnector;
+		boolean pZ = canConnect(world, x, y, z + 1, ForgeDirection.SOUTH);
-		boolean nZ = world.getTileEntity(x, y, z - 1) instanceof IEnergyConnector;
+		boolean nZ = canConnect(world, x, y, z - 1, ForgeDirection.NORTH);
 		
 		tessellator.addTranslation(x + 0.5F, y + 0.5F, z + 0.5F);
 
@@ -86,6 +89,31 @@ public class RenderTestCable implements ISimpleBlockRenderingHandler {
 
 		return true;
 	}
+	
+	private boolean canConnect(IBlockAccess world, int x, int y, int z, ForgeDirection dir) {
+		
+		if(y > 255 || y < 0)
+			return false;
+		
+		Block b = world.getBlock(x, y, z);
+		TileEntity te = world.getTileEntity(x, y, z);
+		
+		if(b instanceof IEnergyConnectorBlock) {
+			IEnergyConnectorBlock con = (IEnergyConnectorBlock) b;
+			
+			if(con.canConnect(world, x, y, z, dir))
+				return true;
+		}
+		
+		if(te instanceof IEnergyConnectorBlock) {
+			IEnergyConnector con = (IEnergyConnector) te;
+			
+			if(con.canConnect(dir))
+				return true;
+		}
+		
+		return false;
+	}
 
 	@Override
 	public boolean shouldRender3DInInventory(int modelId) {