Fixes some possible NPE locations

src/main/java/techreborn/tiles/multiblock/TileImplosionCompressor.java

@@ -57,6 +57,9 @@ public class TileImplosionCompressor extends TileGenericMachine	implements ICont
 	}
 	
 	public boolean getMutliBlock() {
+		if(multiblockChecker == null){
+			return false;
+		}
 		final boolean down = multiblockChecker.checkRectY(1, 1, MultiblockChecker.REINFORCED_CASING, MultiblockChecker.ZERO_OFFSET);
 		final boolean up = multiblockChecker.checkRectY(1, 1, MultiblockChecker.REINFORCED_CASING, new BlockPos(0, 2, 0));
 		final boolean chamber = multiblockChecker.checkRingYHollow(1, 1, MultiblockChecker.REINFORCED_CASING, new BlockPos(0, 1, 0));
@@ -67,21 +70,13 @@ public class TileImplosionCompressor extends TileGenericMachine	implements ICont
 	@Override
 	public void update() {
 		if (multiblockChecker == null) {
-			final BlockPos downCenter = pos.offset(getFacing().getOpposite(), 2);
+			multiblockChecker = new MultiblockChecker(world, pos.down(3));
-			multiblockChecker = new MultiblockChecker(world, downCenter);
 		}
 		
 		if (!world.isRemote && getMutliBlock()){ 
 			super.update();
 		}	
 	}
-	
-	// TileEntity
-	@Override
-	public void validate() {
-		super.validate();
-		multiblockChecker = new MultiblockChecker(world, pos.down(3));
-	}
 
 	// IContainerProvider
 	@Override

src/main/java/techreborn/tiles/multiblock/TileIndustrialBlastFurnace.java

@@ -107,6 +107,9 @@ public class TileIndustrialBlastFurnace extends TileGenericMachine implements IC
 	}
 	
 	public boolean getMutliBlock() {
+		if(multiblockChecker == null){
+			return false;
+		}
 		final boolean layer0 = multiblockChecker.checkRectY(1, 1, MultiblockChecker.CASING_ANY, MultiblockChecker.ZERO_OFFSET);
 		final boolean layer1 = multiblockChecker.checkRingY(1, 1, MultiblockChecker.CASING_ANY, new BlockPos(0, 1, 0));
 		final boolean layer2 = multiblockChecker.checkRingY(1, 1, MultiblockChecker.CASING_ANY, new BlockPos(0, 2, 0));

src/main/java/techreborn/tiles/multiblock/TileVacuumFreezer.java

@@ -56,24 +56,23 @@ public class TileVacuumFreezer extends TileGenericMachine implements IContainerP
 	}
 	
 	public boolean getMultiBlock() {
+		if(multiblockChecker == null){
+			return false;
+		}
 		return multiblockChecker.checkRectY(1, 1, MultiblockChecker.REINFORCED_CASING, MultiblockChecker.ZERO_OFFSET);
 	}
 	
 	// TileGenericMachine
 	@Override
 	public void update() {
+		if(multiblockChecker == null){
+			multiblockChecker = new MultiblockChecker(world, pos.down());
+		}
 		if (!world.isRemote && getMultiBlock()) {
 			super.update();
 		}
 	}
 
-	// TileEntity
-	@Override
-	public void validate() {
-		super.validate();
-		multiblockChecker = new MultiblockChecker(world, pos.down());
-	}
-
 	// IContainerProvider
 	@Override
 	public BuiltContainer createContainer(final EntityPlayer player) {