Shut down all other mod handlers if the loading cycle errors.

This prevents other mods from throwing errors and being blamed for initial cause.
This is a temporary hack until cpw re-writes the mod event dispatcher.

src/main/java/net/minecraftforge/fml/ModContainer.java

@@ -104,6 +104,7 @@ public abstract class ModContainer
      */
     public final void transitionState(LifecycleEventProvider.LifecycleEvent event, Consumer<List<ModLoadingException>> errorHandler)
     {
+        if (shutdown) return; //TODO: Remove
         if (modLoadingStage == event.fromStage())
         {
             try
@@ -165,4 +166,11 @@ public abstract class ModContainer
      * @param e Event to accept
      */
     protected void acceptEvent(Event e) {}
+
+    //TEMPORARY INTERNAL FUNCTION UNTIL net.minecraftforge.fml.ModList.dispatchParallelEvent is fixed.
+    @Deprecated protected boolean shutdown = false;
+    @Deprecated protected void shutdown()
+    {
+        this.shutdown = true;
+    }
 }

src/main/java/net/minecraftforge/fml/ModList.java

@@ -141,6 +141,7 @@ public class ModList
         catch (InterruptedException | ExecutionException e)
         {
             LOGGER.error(LOADING, "Encountered an exception during parallel processing - sleeping 10 seconds to wait for jobs to finish", e);
+            this.mods.forEach(ModContainer::shutdown); //Prevent all future events from being sent out.
             errorHandler.accept(Collections.singletonList(new UncaughtModLoadingException(lifecycleEvent.fromStage(), e)));
             modLoadingThreadPool.awaitQuiescence(10, TimeUnit.SECONDS);
             if (!modLoadingThreadPool.isQuiescent()) {

src/main/java/net/minecraftforge/fml/javafmlmod/FMLModContainer.java

@@ -171,6 +171,7 @@ public class FMLModContainer extends ModContainer
     @Override
     protected void acceptEvent(final Event e)
     {
+        if (this.shutdown) return;
         this.eventBus.post(e);
     }