Improve loop detection(?)

Might help with #382

Author: davenonymous

src/main/java/org/dave/compactmachines3/block/BlockMachine.java

@@ -130,17 +130,15 @@ public void neighborChanged(IBlockState state, World world, BlockPos pos, Block
         // Make sure we don't stack overflow when we get in a notifyBlockChange loop.
         // Just ensure only a single notification happens per tick.
         TileEntityMachine te = (TileEntityMachine) world.getTileEntity(pos);
-        if(te.isInsideItself()) {
+        if(te.isInsideItself() || te.alreadyNotifiedOnTick) {
             return;
         }
 
         WorldServer machineWorld = DimensionTools.getServerMachineWorld();
         BlockPos neighborPos = te.getTunnelForSide(facing);
         if(neighborPos != null && machineWorld.getTileEntity(neighborPos) instanceof TileEntityTunnel) {
-            if(te.lastNeighborUpdateTick != world.getTotalWorldTime()) {
-                machineWorld.notifyNeighborsOfStateChange(neighborPos, Blockss.tunnel, false);
-                te.lastNeighborUpdateTick = world.getTotalWorldTime();
-            }
+            machineWorld.notifyNeighborsOfStateChange(neighborPos, Blockss.tunnel, false);
+            te.alreadyNotifiedOnTick = true;
         }
 
 

src/main/java/org/dave/compactmachines3/tile/TileEntityMachine.java

@@ -41,7 +41,7 @@
 public class TileEntityMachine extends TileEntity implements ICapabilityProvider, ITickable {
     public int coords = -1;
     private boolean initialized = false;
-    public long lastNeighborUpdateTick = 0;
+    public boolean alreadyNotifiedOnTick = false;
     public long nextSpawnTick = 0;
 
     protected String customName = "";
@@ -300,6 +300,8 @@ public void update() {
             this.initialized = true;
         }
 
+        this.alreadyNotifiedOnTick = false;
+
         if(nextSpawnTick == 0) {
             nextSpawnTick = this.getWorld().getTotalWorldTime() + ConfigurationHandler.MachineSettings.spawnRate;
         }