From 8d29dc389a20b3825b1fd7399c744d4dca3562f1 Mon Sep 17 00:00:00 2001
From: way2muchnoise <jens.baetens@live.be>
Date: Tue, 18 Oct 2016 21:30:45 +0200
Subject: [PATCH 1/2] fix NPE due to IComparer mismatch during calculation

---
 .../api/autocrafting/ICraftingPattern.java         | 14 +++++++++++++-
 .../apiimpl/autocrafting/CraftingPattern.java      |  4 ++--
 .../apiimpl/autocrafting/task/CraftingTask.java    |  2 +-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/src/main/java/refinedstorage/api/autocrafting/ICraftingPattern.java b/src/main/java/refinedstorage/api/autocrafting/ICraftingPattern.java
index a31c86806..5ced8ea29 100755
--- a/src/main/java/refinedstorage/api/autocrafting/ICraftingPattern.java
+++ b/src/main/java/refinedstorage/api/autocrafting/ICraftingPattern.java
@@ -1,6 +1,7 @@
 package refinedstorage.api.autocrafting;
 
 import net.minecraft.item.ItemStack;
+import refinedstorage.api.util.IComparer;
 
 import java.util.List;
 
@@ -71,5 +72,16 @@ public interface ICraftingPattern {
      * @param requested the item requested
      * @return the quantity
      */
-    int getQuantityPerRequest(ItemStack requested);
+    default int getQuantityPerRequest(ItemStack requested) {
+        return getQuantityPerRequest(requested, IComparer.COMPARE_DAMAGE | IComparer.COMPARE_NBT);
+    }
+
+    /**
+     * Returns the quantity of items that this crafting task yields per request.
+     *
+     * @param requested the item requested
+     * @param compare the {@link refinedstorage.api.util.IComparer} flags
+     * @return the quantity
+     */
+    int getQuantityPerRequest(ItemStack requested, int compare);
 }
diff --git a/src/main/java/refinedstorage/apiimpl/autocrafting/CraftingPattern.java b/src/main/java/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
index 5730b8a3f..e54d105b8 100755
--- a/src/main/java/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
+++ b/src/main/java/refinedstorage/apiimpl/autocrafting/CraftingPattern.java
@@ -150,11 +150,11 @@ public class CraftingPattern implements ICraftingPattern {
     }
 
     @Override
-    public int getQuantityPerRequest(ItemStack requested) {
+    public int getQuantityPerRequest(ItemStack requested, int compare) {
         int quantity = 0;
 
         for (ItemStack output : outputs) {
-            if (API.instance().getComparer().isEqualNoQuantity(requested, output)) {
+            if (API.instance().getComparer().isEqual(requested, output, compare)) {
                 quantity += output.stackSize;
 
                 if (!ItemPattern.isProcessing(stack)) {
diff --git a/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index 719290af5..c58a56989 100755
--- a/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -132,7 +132,7 @@ public class CraftingTask implements ICraftingTask {
                 } else {
                     ICraftingPattern inputPattern = network.getPattern(input, compare);
                     if (inputPattern != null) {
-                        int craftQuantity = Math.min(inputPattern.getQuantityPerRequest(input), input.stackSize);
+                        int craftQuantity = Math.min(inputPattern.getQuantityPerRequest(input, compare), input.stackSize);
                         ItemStack inputCrafted = ItemHandlerHelper.copyStackWithSize(input, craftQuantity);
                         toCraft.add(inputCrafted.copy());
                         actualInputs.add(inputCrafted.copy());

From 1c94e3f9b5b37b2c1b09d48d89f160ab6ff5ec07 Mon Sep 17 00:00:00 2001
From: way2muchnoise <jens.baetens@live.be>
Date: Tue, 18 Oct 2016 21:32:59 +0200
Subject: [PATCH 2/2] enable depth when drawing items in the preview

---
 src/main/java/refinedstorage/gui/GuiCraftingPreview.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/main/java/refinedstorage/gui/GuiCraftingPreview.java b/src/main/java/refinedstorage/gui/GuiCraftingPreview.java
index 21dfabd64..805250398 100755
--- a/src/main/java/refinedstorage/gui/GuiCraftingPreview.java
+++ b/src/main/java/refinedstorage/gui/GuiCraftingPreview.java
@@ -125,6 +125,7 @@ public class GuiCraftingPreview extends GuiBase {
             int slot = scrollbar.getOffset() * 2;
 
             RenderHelper.enableGUIStandardItemLighting();
+            GlStateManager.enableDepth();
 
             ItemStack hoveringStack = null;
             FluidStack hoveringFluid = null;