feat(cover): handles transparent covers

Add support for transparent covers (glass plate) on all GT Machines:
- See pipes, wires, cables through transparent covers
- Layer transparent covers over full-block pipes and machines

2 files changed, 31 insertions, 7 deletions

diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaPipeEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaPipeEntity.java
index 6025e7eb13..7985aae217 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaPipeEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaPipeEntity.java
@@ -784,6 +784,20 @@ public class BaseMetaPipeEntity extends BaseTileEntity implements IGregTechTileE
     }
 
     @Override
+    public ITexture[] getTextureCovered(Block aBlock, byte aSide) {
+        ITexture coverTexture = getCoverTexture(aSide);
+        ITexture[] textureUncovered = getTextureUncovered(aSide);
+        ITexture[] textureCovered;
+        if (coverTexture != null) {
+            textureCovered = Arrays.copyOf(textureUncovered, textureUncovered.length + 1);
+            textureCovered[textureUncovered.length] = coverTexture;
+            return textureCovered;
+        } else {
+            return textureUncovered;
+        }
+    }
+
+    @Override
     public ITexture[] getTextureUncovered(byte aSide) {
         if ((mConnections & 64) != 0) return Textures.BlockIcons.FRESHFOAM;
         if ((mConnections & -128) != 0) return Textures.BlockIcons.HARDENEDFOAMS[mColor];
diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index 5e9715493b..0781c57086 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -8,7 +8,6 @@ import appeng.me.helpers.AENetworkProxy;
 import appeng.me.helpers.IGridProxyable;
 import appeng.tile.TileEvent;
 import appeng.tile.events.TileEventType;
-import cpw.mods.fml.common.Loader;
 import cpw.mods.fml.common.Optional;
 import gregtech.GT_Mod;
 import gregtech.api.GregTech_API;
@@ -22,7 +21,11 @@ import gregtech.api.metatileentity.implementations.GT_MetaTileEntity_BasicMachin
 import gregtech.api.metatileentity.implementations.GT_MetaTileEntity_Hatch;
 import gregtech.api.net.GT_Packet_TileEntity;
 import gregtech.api.objects.GT_ItemStack;
-import gregtech.api.util.*;
+import gregtech.api.util.GT_CoverBehavior;
+import gregtech.api.util.GT_Log;
+import gregtech.api.util.GT_ModHandler;
+import gregtech.api.util.GT_OreDictUnificator;
+import gregtech.api.util.GT_Utility;
 import gregtech.common.GT_Pollution;
 import ic2.api.Direction;
 import net.minecraft.block.Block;
@@ -1169,11 +1172,18 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
 
     @Override
     public ITexture[] getTexture(Block aBlock, byte aSide) {
-        ITexture rIcon = getCoverTexture(aSide);
-        if (rIcon != null) return new ITexture[]{rIcon};
-        if (hasValidMetaTileEntity())
-            return mMetaTileEntity.getTexture(this, aSide, mFacing, (byte) (mColor - 1), mActive, getOutputRedstoneSignal(aSide) > 0);
-        return Textures.BlockIcons.ERROR_RENDERING;
+        ITexture coverTexture = getCoverTexture(aSide);
+        ITexture[] textureUncovered = hasValidMetaTileEntity() ?
+                mMetaTileEntity.getTexture(this, aSide, mFacing, (byte) (mColor - 1), mActive, getOutputRedstoneSignal(aSide) > 0) :
+                Textures.BlockIcons.ERROR_RENDERING;
+        ITexture[] textureCovered;
+        if (coverTexture != null) {
+            textureCovered = Arrays.copyOf(textureUncovered, textureUncovered.length + 1);
+            textureCovered[textureUncovered.length] = coverTexture;
+            return textureCovered;
+        } else {
+            return textureUncovered;
+        }
     }
 
     private boolean isEnergyInputSide(byte aSide) {