Add HoloInventory compat (#2292)

2 files changed, 22 insertions, 0 deletions

diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index 625fbba5af..b42e7a1a82 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -2475,6 +2475,15 @@ public class BaseMetaTileEntity extends CommonMetaTileEntity
         hasTimeStatisticsStarted = true;
     }
 
+    @Nullable
+    @Override
+    public List<ItemStack> getItemsForHoloGlasses() {
+        if (canAccessData()) {
+            return mMetaTileEntity.getItemsForHoloGlasses();
+        }
+        return null;
+    }
+
     @Override
     public String getCustomName() {
         return getMetaTileEntity() instanceof ICustomNameObject customNameObject ? customNameObject.getCustomName()
diff --git a/src/main/java/gregtech/api/metatileentity/BaseTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseTileEntity.java
index 0d3f6cf7a5..774c13e91b 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseTileEntity.java
@@ -12,6 +12,8 @@ import java.util.concurrent.ThreadLocalRandom;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.Supplier;
 
+import javax.annotation.Nullable;
+
 import net.minecraft.block.Block;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.FontRenderer;
@@ -583,6 +585,17 @@ public abstract class BaseTileEntity extends TileEntity implements IHasWorldObje
         }
     }
 
+    /**
+     * Gets items to be displayed for HoloInventory mod.
+     *
+     * @return null if default implementation should be used, i.e. {@link IInventory#getStackInSlot}.
+     *         Otherwise, a list of items to be displayed. Null element may be contained.
+     */
+    @Nullable
+    public List<ItemStack> getItemsForHoloGlasses() {
+        return null;
+    }
+
     @Deprecated
     public String trans(String aKey, String aEnglish) {
         return GT_Utility.trans(aKey, aEnglish);