Fixed piston display, fixed critical issue, added comparator output

still need fixes

src/main/java/com/hbm/blocks/machine/PistonInserter.java

@@ -71,7 +71,7 @@ public class PistonInserter extends BlockContainerBase {
 			if(!world.isRemote) {
 				TileEntityPistonInserter piston = (TileEntityPistonInserter)world.getTileEntity(x, y, z);
 				
-				if(piston.slot != null) {
+				if(piston.slot != null && piston.isRetracting) {
 					ForgeDirection dir = ForgeDirection.getOrientation(piston.getBlockMetadata());
 					
 					EntityItem dust = new EntityItem(world, x + 0.5D + dir.offsetX * 0.75D, y + 0.5D + dir.offsetY * 0.75D, z + 0.5D + dir.offsetZ * 0.75D, piston.slot);
@@ -113,6 +113,8 @@ public class PistonInserter extends BlockContainerBase {
 		return meta != side.ordinal() && meta != side.getOpposite().ordinal();
 	}
 	
+	//TODO make item drop when block is broken
+	
 	@Override
 	public int getRenderType(){
 		return -1;
@@ -252,6 +254,7 @@ public class PistonInserter extends BlockContainerBase {
 		
 		@Override
 		public void writeToNBT(NBTTagCompound nbt) {
+			super.writeToNBT(nbt);
 			nbt.setInteger("extend", extend);
 			nbt.setBoolean("retract", isRetracting);
 			nbt.setBoolean("state", lastState); //saved so loading into a world doesn't cause issues
@@ -264,10 +267,11 @@ public class PistonInserter extends BlockContainerBase {
 		
 		@Override
 		public void readFromNBT(NBTTagCompound nbt) {
+			super.readFromNBT(nbt);
 			this.extend = nbt.getInteger("extend");
 			this.isRetracting = nbt.getBoolean("retract");
 			this.lastState = nbt.getBoolean("state");
-			if(nbt.hasKey("stack")) {
+			if(nbt.hasKey("stack")) { //TODO double check that these work
 				NBTTagCompound stack = nbt.getCompoundTag("stack");
 				this.slot = ItemStack.loadItemStackFromNBT(stack);
 			} else {

src/main/java/com/hbm/blocks/machine/pile/BlockGraphiteFuel.java

@@ -17,6 +17,7 @@ import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.ChatComponentText;
 import net.minecraft.util.ChatStyle;
 import net.minecraft.util.EnumChatFormatting;
+import net.minecraft.util.MathHelper;
 import net.minecraft.world.World;
 import net.minecraftforge.common.util.ForgeDirection;
 
@@ -34,6 +35,17 @@ public class BlockGraphiteFuel extends BlockGraphiteDrilledTE implements IToolab
 		this.blockIconAluminum = iconRegister.registerIcon(RefStrings.MODID + ":block_graphite_fuel_aluminum");
 	}
 	
+	@Override
+	public boolean hasComparatorInputOverride() {
+		return true;
+	}
+	
+	@Override
+	public int getComparatorInputOverride(World world, int x, int y, int z, int side) { //serverside? maybe
+		TileEntityPileFuel pile = (TileEntityPileFuel)world.getTileEntity(x, y, z);
+		return MathHelper.clamp_int((pile.progress * 16) / pile.maxProgress, 0, 15); //potentially wip
+	}
+	
 	@Override
 	public boolean onScrew(World world, EntityPlayer player, int x, int y, int z, int side, float fX, float fY, float fZ, ToolType tool) {
 		

src/main/java/com/hbm/render/tileentity/RenderPistonInserter.java

@@ -6,11 +6,16 @@ import com.hbm.blocks.ModBlocks;
 import com.hbm.blocks.machine.PistonInserter.TileEntityPistonInserter;
 import com.hbm.main.ResourceManager;
 import com.hbm.render.item.ItemRenderBase;
+import com.hbm.render.util.RenderDecoItem;
 
+import net.minecraft.client.renderer.entity.RenderItem;
+import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
+import net.minecraft.entity.item.EntityItem;
 import net.minecraft.item.Item;
+import net.minecraft.item.ItemBlock;
+import net.minecraft.item.ItemStack;
 import net.minecraft.tileentity.TileEntity;
-import net.minecraft.util.MathHelper;
 import net.minecraftforge.client.IItemRenderer;
 
 public class RenderPistonInserter extends TileEntitySpecialRenderer implements IItemRendererProvider {
@@ -25,10 +30,13 @@ public class RenderPistonInserter extends TileEntitySpecialRenderer implements I
 			switch(tile.getBlockMetadata()) {
 			case 0: GL11.glRotatef(180, 1F, 0F, 0F); break;
 			case 1: break;
-			case 2: GL11.glRotatef(-90, 1F, 0F, 0F); break;
+			case 2: GL11.glRotatef(-90, 1F, 0F, 0F);
-			case 4: GL11.glRotatef(90, 0F, 0F, 1F); break;
+					GL11.glRotatef(180, 0F, 1F, 0F); break;
+			case 4: GL11.glRotatef(90, 0F, 0F, 1F);
+					GL11.glRotatef(-90, 0F, 1F, 0F); break;
 			case 3: GL11.glRotatef(90, 1F, 0F, 0F); break;
-			case 5: GL11.glRotatef(-90, 0F, 0F, 1F); break;
+			case 5: GL11.glRotatef(-90, 0F, 0F, 1F);
+					GL11.glRotatef(90, 0F, 1F, 0F); break;
 			}
 			
 			GL11.glTranslated(0D, -0.5, 0D); 
@@ -40,6 +48,32 @@ public class RenderPistonInserter extends TileEntitySpecialRenderer implements I
 			double e = (piston.lastExtend + (piston.renderExtend - piston.lastExtend) * interp) / (double) piston.maxExtend;
 			GL11.glTranslated(0, e * 0.9375D, 0);
 			ResourceManager.piston_inserter.renderPart("Piston");
+			
+			RenderItem itemRenderer = new RenderDecoItem(this);
+			itemRenderer.setRenderManager(RenderManager.instance);
+			
+			if(piston.slot != null) {
+				ItemStack stack = piston.slot.copy();
+				
+				EntityItem item = new EntityItem(null, 0.0D, 0.0D, 0.0D, stack);
+				item.getEntityItem().stackSize = 1;
+				item.hoverStart = 0.0F;
+				
+				if(stack.getItem() instanceof ItemBlock) {
+					GL11.glTranslated(0.0D, 1.125D, 0.0D);
+				} else {
+					GL11.glTranslated(0.0D, 1.0625D, 0.1D);
+					if(!RenderManager.instance.options.fancyGraphics)
+						GL11.glTranslated(0.0D, 0.01D, 0.0D);
+					
+					GL11.glRotated(90, -1, 0, 0);
+				}
+				
+				RenderItem.renderInFrame = true;
+				itemRenderer.doRender(item, 0.0D, 0.0D, 0.0D, 0.0F, 0.0F);
+				RenderItem.renderInFrame = false;
+			}
+
 		
 		GL11.glPopMatrix();
 	}

src/main/java/com/hbm/tileentity/machine/pile/TileEntityPileFuel.java

@@ -9,6 +9,7 @@ import com.hbm.packet.PacketDispatcher;
 import api.hbm.block.IPileNeutronReceiver;
 import cpw.mods.fml.common.network.NetworkRegistry.TargetPoint;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.util.MathHelper;
 
 public class TileEntityPileFuel extends TileEntityPileBase implements IPileNeutronReceiver {
 
@@ -24,7 +25,7 @@ public class TileEntityPileFuel extends TileEntityPileBase implements IPileNeutr
 		
 		if(!worldObj.isRemote) {
 			dissipateHeat();
-			react();
+			checkRedstone(react());
 			transmute();
 			
 			if(this.heat >= this.maxHeat) {
@@ -53,22 +54,35 @@ public class TileEntityPileFuel extends TileEntityPileBase implements IPileNeutr
 		this.heat -= (this.getBlockMetadata() & 4) == 4 ? heat * 0.065 : heat * 0.05; //remove 5% of the stored heat per tick; 6.5% for windscale
 	}
 	
-	private void react() {
+	private int react() {
 		
 		int reaction = (int) (this.neutrons * (1D - ((double)this.heat / (double)this.maxHeat) * 0.5D)); //max heat reduces reaction by 50% due to thermal expansion
 		
 		this.lastNeutrons = this.neutrons;
 		this.neutrons = 0;
 		
+		int lastProgress = this.progress;
+		
 		this.progress += reaction;
 		
 		if(reaction <= 0)
-			return;
+			return lastProgress;
 		
 		this.heat += reaction;
 		
 		for(int i = 0; i < 12; i++)
 			this.castRay((int) Math.max(reaction * 0.25, 1), 5);
+		
+		return lastProgress;
+	}
+	
+	private void checkRedstone(int lastProgress) {
+		int lastLevel = MathHelper.clamp_int((lastProgress * 16) / maxProgress, 0, 15);
+		int newLevel = MathHelper.clamp_int((progress * 16) / maxProgress, 0, 15);
+		if(lastLevel != newLevel) //TODO TEST
+			System.out.println(lastLevel + ", " + newLevel + "; " + lastProgress + ", " + progress);
+		if(lastLevel != newLevel) //the block update doesn't seem to update the comparators... need to troubleshoot and fix
+			worldObj.scheduleBlockUpdate(this.xCoord, this.yCoord, this.zCoord, this.getBlockType(), 1); //TODO test
 	}
 	
 	private void transmute() {