fixed item detector cover on quantum chests (#398)

Co-authored-by: bartimaeusnek <33183715+bartimaeusnek@users.noreply.github.com>

3 files changed, 26 insertions, 17 deletions

diff --git a/build.properties b/build.properties
index ee528ac761..72b8c07bd4 100644
--- a/build.properties
+++ b/build.properties
@@ -1,7 +1,6 @@
 minecraft.version=1.7.10
 forge.version=10.13.4.1614-1.7.10
 gt.version=5.09.34.06
-
 ae2.version=rv3-beta-22
 applecore.version=1.7.10-1.2.1+107.59407
 buildcraft.version=7.1.11
diff --git a/src/main/java/gregtech/common/covers/GT_Cover_ItemMeter.java b/src/main/java/gregtech/common/covers/GT_Cover_ItemMeter.java
index 83b03b65a5..29c752ddf9 100644
--- a/src/main/java/gregtech/common/covers/GT_Cover_ItemMeter.java
+++ b/src/main/java/gregtech/common/covers/GT_Cover_ItemMeter.java
@@ -7,6 +7,7 @@ import gregtech.api.gui.widgets.GT_GuiIcon;
 import gregtech.api.gui.widgets.GT_GuiIconCheckButton;
 import gregtech.api.gui.widgets.GT_GuiIntegerTextBox;
 import gregtech.api.interfaces.tileentity.ICoverable;
+import gregtech.api.interfaces.tileentity.IDigitalChest;
 import gregtech.api.net.GT_Packet_TileEntityCover;
 import gregtech.api.util.GT_CoverBehavior;
 import gregtech.api.util.GT_Utility;
@@ -34,20 +35,26 @@ public class GT_Cover_ItemMeter
             else if (aCoverVariable > 1)
                 aCoverVariable = CONVERTED_BIT | Math.min((aCoverVariable - 2), SLOT_MASK);
 
-        int[] tSlots;
-        if ((aCoverVariable & SLOT_MASK) > 0)
-            tSlots = new int[]{(aCoverVariable & SLOT_MASK) - 1};
-        else
-            tSlots = aTileEntity.getAccessibleSlotsFromSide(aSide);
-
-        int tMax = 0;
-        int tUsed = 0;
-        for (int i : tSlots) {
-            if (i >= 0 && i < aTileEntity.getSizeInventory()) {
-                tMax+=64;
-                ItemStack tStack = aTileEntity.getStackInSlot(i);
-                if (tStack != null)
-                    tUsed += (tStack.stackSize<<6)/tStack.getMaxStackSize();
+        long tMax = 0;
+        long tUsed = 0;
+        if (aTileEntity instanceof IDigitalChest) {
+            IDigitalChest dc = (IDigitalChest)aTileEntity;
+            tMax = dc.getMaxItemCount(); // currently it is limited by int, but there is not much reason for that
+            ItemStack[] inv = dc.getStoredItemData();
+            if (inv != null && inv.length > 1 && inv[1] != null)
+                tUsed = inv[1].stackSize;
+        } else {
+            int[] tSlots = (aCoverVariable & SLOT_MASK) > 0 ?
+                 new int[] {(aCoverVariable & SLOT_MASK) - 1} :
+                 aTileEntity.getAccessibleSlotsFromSide(aSide);
+
+            for (int i : tSlots) {
+                if (i >= 0 && i < aTileEntity.getSizeInventory()) {
+                    tMax += 64;
+                    ItemStack tStack = aTileEntity.getStackInSlot(i);
+                    if (tStack != null)
+                        tUsed += (tStack.stackSize << 6) / tStack.getMaxStackSize();
+                }
             }
         }
 
@@ -169,7 +176,7 @@ public class GT_Cover_ItemMeter
             else
                 maxSlot = -1;
 
-            if (maxSlot == -1)
+            if (maxSlot == -1 || tile instanceof IDigitalChest)
                 intSlot.setEnabled(false);
         }
 
diff --git a/src/main/java/gregtech/common/tileentities/storage/GT_MetaTileEntity_DigitalChestBase.java b/src/main/java/gregtech/common/tileentities/storage/GT_MetaTileEntity_DigitalChestBase.java
index 606733658b..e9aa20e5ab 100644
--- a/src/main/java/gregtech/common/tileentities/storage/GT_MetaTileEntity_DigitalChestBase.java
+++ b/src/main/java/gregtech/common/tileentities/storage/GT_MetaTileEntity_DigitalChestBase.java
@@ -168,7 +168,10 @@ public abstract class GT_MetaTileEntity_DigitalChestBase extends GT_MetaTileEnti
     public int getMaxItemCount() {
         return CommonSizeCompute(mTier);
     }
-
+    @Override
+    public ItemStack[] getStoredItemData() {
+        return mInventory;
+    }
     @Override
     public boolean allowPullStack(IGregTechTileEntity aBaseMetaTileEntity, int aIndex, byte aSide, ItemStack aStack) {
         return aIndex == 1;