2 files changed, 39 insertions, 2 deletions
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/compressor/MTEBlackHoleCompressor.java b/src/main/java/gregtech/common/tileentities/machines/multi/compressor/MTEBlackHoleCompressor.java
index 7b444c6573..2d84f032af 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/compressor/MTEBlackHoleCompressor.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/compressor/MTEBlackHoleCompressor.java
@@ -496,8 +496,8 @@ public class MTEBlackHoleCompressor extends MTEExtendedPowerMultiBlockBase<MTEBl
                                 blackHoleStatus = 1;
                                 blackHoleStability = 100;
                                 catalyzingCostModifier = 1;
-                                rendererTileEntity = null;
-                                destroyRenderBlock();
+                                if (rendererTileEntity != null) rendererTileEntity.startScaleChange(false);
+                                collapseTimer = 40;
                                 return;
                             }
                         }
@@ -574,6 +574,10 @@ public class MTEBlackHoleCompressor extends MTEExtendedPowerMultiBlockBase<MTEBl
         return super.onRunningTick(aStack);
     }
 
+    // Asynchronous timer to destroy render block after collapse animation is done playing.
+    // This might not sync perfectly to the renderer but this is very low stakes
+    private int collapseTimer = -1;
+
     @Override
     public void onPostTick(IGregTechTileEntity aBaseMetaTileEntity, long aTick) {
         super.onPostTick(aBaseMetaTileEntity, aTick);
@@ -581,6 +585,13 @@ public class MTEBlackHoleCompressor extends MTEExtendedPowerMultiBlockBase<MTEBl
             playBlackHoleSounds();
         }
 
+        if (collapseTimer != -1) {
+            if (collapseTimer == 0) {
+                destroyRenderBlock();
+            }
+            collapseTimer--;
+        }
+
         // Run stability checks once per second if a black hole is open
         if (blackHoleStatus == 1 || aTick % 20 != 0) return;
 
@@ -719,6 +730,7 @@ public class MTEBlackHoleCompressor extends MTEExtendedPowerMultiBlockBase<MTEBl
         rendererTileEntity = (TileEntityBlackhole) base.getWorld()
             .getTileEntity(base.getXCoord() + x, base.getYCoord() + y, base.getZCoord() + z);
 
+        rendererTileEntity.startScaleChange(true);
         rendererTileEntity.setStability(blackHoleStability / 100F);
     }
 
diff --git a/src/main/java/gregtech/common/tileentities/render/TileEntityBlackhole.java b/src/main/java/gregtech/common/tileentities/render/TileEntityBlackhole.java
index f15aa45eee..2f7114e405 100644
--- a/src/main/java/gregtech/common/tileentities/render/TileEntityBlackhole.java
+++ b/src/main/java/gregtech/common/tileentities/render/TileEntityBlackhole.java
@@ -10,12 +10,17 @@ public class TileEntityBlackhole extends TileEntity {
 
     // Should run from 0 to 1, >.5 starts showing changes
     private float stability = 1;
+    // true = growing, false = shrinking
+    private boolean scaling = true;
+    private long startTime = 0;
     private float laserR = 0.318f, laserG = 0.157f, laserB = 0.533f;
     private boolean laserRender = false;
 
     private static final String NBT_TAG = "BLACKHOLE";
 
     private static final String STABILITY_NBT_TAG = NBT_TAG + "STABILITY";
+    private static final String START_TIME_NBT_TAG = NBT_TAG + "START_TIME";
+    private static final String SCALING_NBT_TAG = NBT_TAG + "SCALING";
     private static final String COLOR_RED_NBT_TAG = NBT_TAG + "COLOR_RED";
     private static final String COLOR_GREEN_NBT_TAG = NBT_TAG + "COLOR_GREEN";
     private static final String COLOR_BLUE_NBT_TAG = NBT_TAG + "COLOR_BLUE";
@@ -53,6 +58,22 @@ public class TileEntityBlackhole extends TileEntity {
         return laserRender;
     }
 
+    public void startScaleChange(boolean scaling) {
+        if (!worldObj.isRemote) {
+            this.startTime = worldObj.getTotalWorldTime();
+            this.scaling = scaling;
+            updateToClient();
+        }
+    }
+
+    public long getStartTime() {
+        return startTime;
+    }
+
+    public boolean getScaling() {
+        return scaling;
+    }
+
     public void setStability(float stability) {
         // Can probably be simplified, maps stability > .5 as 1, and stability <.5 from 0 to 1
         if (!worldObj.isRemote) {
@@ -68,6 +89,8 @@ public class TileEntityBlackhole extends TileEntity {
     public void writeToNBT(NBTTagCompound compound) {
         super.writeToNBT(compound);
         compound.setFloat(STABILITY_NBT_TAG, stability);
+        compound.setBoolean(SCALING_NBT_TAG, scaling);
+        compound.setLong(START_TIME_NBT_TAG, startTime);
         compound.setFloat(COLOR_RED_NBT_TAG, laserR);
         compound.setFloat(COLOR_GREEN_NBT_TAG, laserG);
         compound.setFloat(COLOR_BLUE_NBT_TAG, laserB);
@@ -77,6 +100,8 @@ public class TileEntityBlackhole extends TileEntity {
     @Override
     public void readFromNBT(NBTTagCompound compound) {
         stability = compound.getFloat(STABILITY_NBT_TAG);
+        scaling = compound.getBoolean(SCALING_NBT_TAG);
+        startTime = compound.getLong(START_TIME_NBT_TAG);
         laserR = compound.getFloat(COLOR_RED_NBT_TAG);
         laserG = compound.getFloat(COLOR_GREEN_NBT_TAG);
         laserB = compound.getFloat(COLOR_BLUE_NBT_TAG);