From 667bad3b9247dd342f0a0f6c8b1fc0e77d19fb01 Mon Sep 17 00:00:00 2001
From: JP Sugarbroad <taral@taral.net>
Date: Wed, 5 Sep 2012 22:02:33 -0700
Subject: [PATCH] Consume energy when pulling from ISpecialInventory. Also pull
 multiple stacks if energy permits.

---
 common/buildcraft/transport/pipes/PipeItemsWood.java | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/common/buildcraft/transport/pipes/PipeItemsWood.java b/common/buildcraft/transport/pipes/PipeItemsWood.java
index caabedb7..5a6faf7f 100644
--- a/common/buildcraft/transport/pipes/PipeItemsWood.java
+++ b/common/buildcraft/transport/pipes/PipeItemsWood.java
@@ -127,8 +127,15 @@ public class PipeItemsWood extends Pipe implements IPowerReceptor {
 	public ItemStack[] checkExtract(IInventory inventory, boolean doRemove, Orientations from) {
 		
 		/// ISPECIALINVENTORY
-		if (inventory instanceof ISpecialInventory)
-			return ((ISpecialInventory) inventory).extractItem(doRemove, from, 1);
+		if (inventory instanceof ISpecialInventory) {
+			ItemStack[] stacks = ((ISpecialInventory) inventory).extractItem(doRemove, from, (int)powerProvider.getEnergyStored());
+			if (stacks != null && doRemove) {
+				for (ItemStack stack : stacks) {
+					powerProvider.useEnergy(stack.stackSize, stack.stackSize, true);
+				}
+			}
+			return stacks;
+		}
 
 		if (inventory instanceof ISidedInventory) {
 			ISidedInventory sidedInv = (ISidedInventory) inventory;