Prep for more efficient networking

src/com/jaquadro/minecraft/storagedrawers/block/tile/TileEntityCompDrawers.java

@@ -224,6 +224,11 @@ public class TileEntityCompDrawers extends TileEntityDrawersBase implements ISto
         tag.setTag("Slots", slots);
     }
 
+    @Override
+    public void clientUpdateCount (int slot, int count) {
+        pooledCount = count;
+    }
+
     @Override
     public void markDirty () {
         for (int i = 0; i < 3; i++) {

src/com/jaquadro/minecraft/storagedrawers/block/tile/TileEntityDrawers.java

@@ -179,6 +179,11 @@ public class TileEntityDrawers extends TileEntityDrawersBase implements IStorage
         tag.setTag("Slots", slots);
     }
 
+    @Override
+    public void clientUpdateCount (int slot, int count) {
+        data[slot].count = count;
+    }
+
     @Override
     public Packet getDescriptionPacket () {
         NBTTagCompound tag = new NBTTagCompound();

src/com/jaquadro/minecraft/storagedrawers/block/tile/TileEntityDrawersBase.java

@@ -1,5 +1,6 @@
 package com.jaquadro.minecraft.storagedrawers.block.tile;
 
+import cpw.mods.fml.relauncher.SideOnly;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -110,4 +111,6 @@ public abstract class TileEntityDrawersBase extends TileEntity
         readFromNBT(pkt.func_148857_g());
         getWorldObj().func_147479_m(xCoord, yCoord, zCoord); // markBlockForRenderUpdate
     }
+
+    public abstract void clientUpdateCount (int slot, int count);
 }

src/com/jaquadro/minecraft/storagedrawers/network/CountUpdateMessage.java

@@ -0,0 +1,64 @@
+package com.jaquadro.minecraft.storagedrawers.network;
+
+import com.jaquadro.minecraft.storagedrawers.block.tile.TileEntityDrawersBase;
+import cpw.mods.fml.common.network.simpleimpl.IMessage;
+import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
+import cpw.mods.fml.common.network.simpleimpl.MessageContext;
+import cpw.mods.fml.relauncher.Side;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.client.Minecraft;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.world.World;
+
+public class CountUpdateMessage implements IMessage
+{
+    private int x;
+    private int y;
+    private int z;
+    private int slot;
+    private int count;
+
+    public CountUpdateMessage () { }
+
+    public CountUpdateMessage (int x, int y, int z, int slot, int count) {
+        this.x = x;
+        this.y = y;
+        this.z = z;
+        this.slot = slot;
+        this.count = count;
+    }
+
+    @Override
+    public void fromBytes (ByteBuf buf) {
+        x = buf.readInt();
+        y = buf.readShort();
+        z = buf.readInt();
+        slot = buf.readByte();
+        count = buf.readInt();
+    }
+
+    @Override
+    public void toBytes (ByteBuf buf) {
+        buf.writeInt(x);
+        buf.writeShort(y);
+        buf.writeInt(z);
+        buf.writeByte(slot);
+        buf.writeInt(count);
+    }
+
+    public static class Handler implements IMessageHandler<CountUpdateMessage, IMessage>
+    {
+        @Override
+        public IMessage onMessage (CountUpdateMessage message, MessageContext ctx) {
+            if (ctx.side == Side.CLIENT) {
+                World world = Minecraft.getMinecraft().theWorld;
+                TileEntity tileEntity = world.getTileEntity(message.x, message.y, message.z);
+                if (tileEntity instanceof TileEntityDrawersBase) {
+                    ((TileEntityDrawersBase) tileEntity).clientUpdateCount(message.slot, message.count);
+                }
+            }
+
+            return null;
+        }
+    }
+}