Detector Luminizer.

src/main/java/vazkii/botania/client/render/tile/RenderTileLightRelay.java

@@ -29,7 +29,7 @@ public class RenderTileLightRelay extends TileEntitySpecialRenderer {
 	@Override
 	public void renderTileEntityAt(TileEntity tile, double x, double y, double z, float pticks) {
 		Minecraft mc = Minecraft.getMinecraft();
-		IIcon iicon = BlockLightRelay.worldIcon;
+		IIcon iicon = tile.getBlockMetadata() > 0 ? BlockLightRelay.worldIconRed : BlockLightRelay.worldIcon;
 
 		GL11.glPushMatrix();
 		GL11.glTranslated(x + 0.5, y + 0.3, z + 0.5);

src/main/java/vazkii/botania/common/block/BlockLightLauncher.java

@@ -18,6 +18,7 @@ import net.minecraft.block.material.Material;
 import net.minecraft.entity.EntityLivingBase;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.AxisAlignedBB;
+import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
 import vazkii.botania.common.block.tile.TileLightRelay;
@@ -39,6 +40,16 @@ public class BlockLightLauncher extends BlockMod {
 		return false;
 	}
 	
+	@Override
+	public boolean renderAsNormalBlock() {
+		return false;
+	}
+	
+	@Override
+	public boolean getBlocksMovement(IBlockAccess p_149655_1_, int p_149655_2_, int p_149655_3_, int p_149655_4_) {
+		return false;
+	}
+	
 	@Override
 	public void onNeighborBlockChange(World world, int x, int y, int z, Block block) {
 		boolean power = world.isBlockIndirectlyGettingPowered(x, y, z) || world.isBlockIndirectlyGettingPowered(x, y + 1, z);

src/main/java/vazkii/botania/common/block/BlockLightRelay.java

@@ -10,9 +10,16 @@
  */
 package vazkii.botania.common.block;
 
+import java.util.List;
+import java.util.Random;
+
+import cpw.mods.fml.common.registry.GameRegistry;
+import net.minecraft.block.Block;
 import net.minecraft.block.material.Material;
 import net.minecraft.client.renderer.texture.IIconRegister;
+import net.minecraft.creativetab.CreativeTabs;
 import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.AxisAlignedBB;
@@ -25,56 +32,106 @@ import vazkii.botania.api.wand.IWandable;
 import vazkii.botania.client.core.helper.IconHelper;
 import vazkii.botania.client.lib.LibRenderIDs;
 import vazkii.botania.common.block.tile.TileLightRelay;
+import vazkii.botania.common.item.block.ItemBlockWithMetadataAndName;
 import vazkii.botania.common.lib.LibBlockNames;
 
 public class BlockLightRelay extends BlockModContainer implements IWandable {
 
-	public static IIcon invIcon, worldIcon;
-	
+	public static IIcon invIcon, worldIcon, invIconRed, worldIconRed;
+
 	protected BlockLightRelay() {
 		super(Material.glass);
 		float f = 5F / 16F;
 		setBlockBounds(f, f, f, 1F - f, 1F - f, 1F - f);
 		setBlockName(LibBlockNames.LIGHT_RELAY);
 	}
+
+	@Override
+	public Block setBlockName(String par1Str) {
+		register(par1Str);
+		return super.setBlockName(par1Str);
+	}
+
+	void register(String name) {
+		GameRegistry.registerBlock(this, ItemBlockWithMetadataAndName.class, name);
+	}
+
+	@Override
+	public void getSubBlocks(Item item, CreativeTabs tab, List list) {
+		for(int i = 0; i < 2; i++)
+			list.add(new ItemStack(item, 1, i));
+	}
+
+	@Override
+	protected boolean shouldRegisterInNameSet() {
+		return false;
+	}
+
+	@Override
+	public boolean getBlocksMovement(IBlockAccess p_149655_1_, int p_149655_2_, int p_149655_3_, int p_149655_4_) {
+		return false;
+	}
 	
 	@Override
 	public boolean onBlockActivated(World world, int x, int y, int z, EntityPlayer player, int s, float xs, float ys, float zs) {
 		((TileLightRelay) world.getTileEntity(x, y, z)).mountEntity(player);
 		return true;
 	}
-	
+
 	@Override
 	public AxisAlignedBB getCollisionBoundingBoxFromPool(World p_149668_1_, int p_149668_2_, int p_149668_3_, int p_149668_4_) {
 		return null;
 	}
-	
+
+	@Override
+	public int tickRate(World p_149738_1_) {
+		return 2;
+	}
+
+	@Override
+	public void updateTick(World world, int x, int y, int z, Random rand) {
+		world.setBlockMetadataWithNotify(x, y, z, world.getBlockMetadata(x, y, z) & -9, 1 | 2);
+	}
+
+	@Override
+	public boolean canProvidePower() {
+		return true;
+	}
+
+	@Override
+	public int isProvidingWeakPower(IBlockAccess world, int x, int y, int z, int s) {
+		int meta = world.getBlockMetadata(x, y, z);
+		return (meta & 8) != 0 ? 15 : 0;
+	}
+
 	@Override
 	public void registerBlockIcons(IIconRegister par1IconRegister) {
 		invIcon = IconHelper.forBlock(par1IconRegister, this, 0);
 		worldIcon = IconHelper.forBlock(par1IconRegister, this, 1);	
+		invIconRed = IconHelper.forBlock(par1IconRegister, this, 2);
+		worldIconRed = IconHelper.forBlock(par1IconRegister, this, 3);	
 	}
 
 	@Override
-	public IIcon getIcon(int p_149691_1_, int p_149691_2_) {
-		return invIcon;
+	public IIcon getIcon(int side, int meta) {
+		return meta > 0 ? invIconRed : invIcon;
 	}
-	
+
 	@Override
 	public boolean renderAsNormalBlock() {
 		return false;
 	}
-	
+
 	@Override
 	public boolean isOpaqueCube() {
 		return false;
 	}
-	
+
 	@Override
 	public int getRenderType() {
 		return LibRenderIDs.idLightRelay;
 	}
-	
+
 	@Override
 	public TileEntity createNewTileEntity(World world, int meta) {
 		return new TileLightRelay();
@@ -84,5 +141,5 @@ public class BlockLightRelay extends BlockModContainer implements IWandable {
 	public boolean onUsedByWand(EntityPlayer player, ItemStack stack, World world, int x, int y, int z, int side) {
 		return false;
 	}
-	
+
 }

src/main/java/vazkii/botania/common/block/tile/TileLightRelay.java

@@ -179,6 +179,12 @@ public class TileLightRelay extends TileMod implements IWandBindable {
 				if(tile != null && tile instanceof TileLightRelay) {
 					worldObj.playSoundAtEntity(this, "random.orb", 0.2F, (float) Math.random() * 0.3F + 0.7F);
 
+					int meta = worldObj.getBlockMetadata(x, y, z);
+					if(meta > 0) {
+						worldObj.setBlockMetadataWithNotify(x, y, z, meta | 8, 1 | 2);
+						worldObj.scheduleBlockUpdate(x, y, z, tile.getBlockType(), tile.getBlockType().tickRate(worldObj));
+					}
+					
 					ChunkCoordinates bind = ((TileLightRelay) tile).getBinding();
 					if(bind != null) {
 						setExit(bind.posX, bind.posY, bind.posZ);