1 files changed, 39 insertions, 4 deletions
diff --git a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
index 9e26ab648d..e4b7a8e84c 100644
--- a/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
+++ b/src/main/java/gregtech/api/metatileentity/BaseMetaTileEntity.java
@@ -8,6 +8,12 @@ import appeng.me.helpers.AENetworkProxy;
 import appeng.me.helpers.IGridProxyable;
 import appeng.tile.TileEvent;
 import appeng.tile.events.TileEventType;
+import com.gtnewhorizon.structurelib.alignment.IAlignment;
+import com.gtnewhorizon.structurelib.alignment.IAlignmentLimits;
+import com.gtnewhorizon.structurelib.alignment.IAlignmentProvider;
+import com.gtnewhorizon.structurelib.alignment.constructable.IConstructable;
+import com.gtnewhorizon.structurelib.alignment.constructable.IConstructableProvider;
+import com.gtnewhorizon.structurelib.alignment.enumerable.ExtendedFacing;
 import cpw.mods.fml.common.Optional;
 import gregtech.GT_Mod;
 import gregtech.api.GregTech_API;
@@ -50,6 +56,7 @@ import net.minecraftforge.fluids.Fluid;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.FluidTankInfo;
 
+import javax.annotation.Nullable;
 import java.lang.reflect.Field;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -66,10 +73,9 @@ import static gregtech.api.objects.XSTR.XSTR_INSTANCE;
  * <p/>
  * This is the main TileEntity for EVERYTHING.
  */
-@Optional.InterfaceList(value = {
-        @Optional.Interface(iface = "appeng.api.networking.security.IActionHost", modid = "appliedenergistics2", striprefs = true),
-        @Optional.Interface(iface = "appeng.me.helpers.IGridProxyable", modid = "appliedenergistics2", striprefs = true)})
-public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileEntity, IActionHost, IGridProxyable {
+    @Optional.Interface(iface = "appeng.api.networking.security.IActionHost", modid = "appliedenergistics2", striprefs = true),
+    @Optional.Interface(iface = "appeng.me.helpers.IGridProxyable", modid = "appliedenergistics2", striprefs = true)})
+public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileEntity, IActionHost, IGridProxyable, IAlignmentProvider, IConstructableProvider {
     private final GT_CoverBehavior[] mCoverBehaviors = new GT_CoverBehavior[]{GregTech_API.sNoBehavior, GregTech_API.sNoBehavior, GregTech_API.sNoBehavior, GregTech_API.sNoBehavior, GregTech_API.sNoBehavior, GregTech_API.sNoBehavior};
     protected MetaTileEntity mMetaTileEntity;
     protected long mStoredEnergy = 0, mStoredSteam = 0;
@@ -2382,4 +2388,33 @@ public class BaseMetaTileEntity extends BaseTileEntity implements IGregTechTileE
     public void setShutdownStatus(boolean newStatus) {
          mWasShutdown = newStatus;
     }
+
+    @Override
+    public IAlignment getAlignment() {
+        return getMetaTileEntity() instanceof IAlignmentProvider ? ((IAlignmentProvider) getMetaTileEntity()).getAlignment() : new BasicAlignment();
+    }
+
+    @Nullable
+    @Override
+    public IConstructable getConstructable() {
+        return getMetaTileEntity() instanceof IConstructable ? (IConstructable) getMetaTileEntity() : null;
+    }
+
+    private class BasicAlignment implements IAlignment {
+
+        @Override
+        public ExtendedFacing getExtendedFacing() {
+            return ExtendedFacing.of(ForgeDirection.getOrientation(getFrontFacing()));
+        }
+
+        @Override
+        public void setExtendedFacing(ExtendedFacing alignment) {
+            setFrontFacing((byte) Math.min(alignment.getDirection().ordinal(), ForgeDirection.UNKNOWN.ordinal() - 1));
+        }
+
+        @Override
+        public IAlignmentLimits getAlignmentLimits() {
+            return (direction, rotation, flip) -> rotation.isNotRotated() && flip.isNotFlipped();
+        }
+    }
 }