StevenDimDoors/mod_pocketDim/helpers/dimHelper.java

@@ -102,28 +102,37 @@ public class dimHelper extends DimensionManager
 		else return 1;
 	}
 	
-	private Entity teleportEntity(World oldWorld, Entity entity, LinkData link) //this beautiful teleport method is based off of xCompWiz's teleport function. 
+	// GreyMaria: My god, what a mess. Here, let me clean it up a bit.
+	private Entity teleportEntity(World world, Entity entity, LinkData link) //this beautiful teleport method is based off of xCompWiz's teleport function. 
 	{		
-		Entity cart=entity.ridingEntity;
-		if(entity.riddenByEntity!=null)
+		// GreyMaria: Added to simplify some code further in.
+		WorldServer oldWorld = (WorldServer)world;
+		
+		// Is something riding? Handle it first.
+		if(entity.riddenByEntity != null)
 		{
 			return this.teleportEntity(oldWorld,entity.riddenByEntity, link);
 		}
 		
-		if (entity.ridingEntity != null)
+		// Are we riding something? Dismount and tell the mount to go first.
+		Entity cart = entity.ridingEntity;
+		if (cart != null)
 		{
 			entity.mountEntity(null);
 			cart = teleportEntity(oldWorld, cart, link);
+			// We keep track of both so we can remount them on the other side.
 		}
 		
 		WorldServer newWorld;
 		
+		// Destination doesn't exist? We need to make it.
 		if(DimensionManager.getWorld(link.destDimID)==null)
 		{
 			DimensionManager.initDimension(link.destDimID);
 		}
-		boolean difDest = link.destDimID != link.locDimID;
 		
+		// Determine if our destination's in another realm.
+		boolean difDest = link.destDimID != link.locDimID;
 		if(difDest)
 		{
 			newWorld = DimensionManager.getWorld(link.destDimID);
@@ -133,40 +142,53 @@ public class dimHelper extends DimensionManager
 			newWorld=(WorldServer)oldWorld;
 		}
 		
+		// GreyMaria: What is this even accomplishing? We're doing the exact same thing at the end of this all.
+		// TODO Check to see if this is actually vital.
 		mod_pocketDim.teleporter.placeInPortal(entity, newWorld, link);
 
-	    if ((entity instanceof EntityPlayerMP)) 
-	    {
-	    	EntityPlayerMP player = (EntityPlayerMP)entity;
-	    	if (difDest) 
-	    	{
-				GameRegistry.onPlayerChangedDimension((EntityPlayer)entity);
+		// We'll need to know if we're teleporting a player entity.
+		// If this value is NULL, then we're not teleporting a player entity.
+		EntityPlayerMP player = null;
+	    if (entity instanceof EntityPlayerMP) player = (EntityPlayerMP)entity;
 	    
+    	if (difDest) // Are we moving our target to a new dimension?
+    	{
+    		if(player != null) // Are we working with a player?
+    		{
+    			// We need to do all this special stuff to move a player between dimensions.
+    			
+				// Set the new dimension and inform the client that it's moving to a new world.
 	    		player.dimension = link.destDimID;
 	    		player.playerNetServerHandler.sendPacketToPlayer(new Packet9Respawn(player.dimension, (byte)player.worldObj.difficultySetting, newWorld.getWorldInfo().getTerrainType(), newWorld.getHeight(), player.theItemInWorldManager.getGameType()));
 	    	
-	    		WorldServer.class.cast(oldWorld).removeEntity(player);
+	    		// GreyMaria: Used the safe player entity remover.
+	    		// This should fix an apparently unreported bug where
+	    		// the last non-sleeping player leaves the Overworld
+	    		// for a pocket dimension, causing all sleeping players
+	    		// to remain asleep instead of progressing to day.
+	    		oldWorld.removePlayerEntityDangerously(player);
 	    		player.isDead=false;
 	    		
-	    		oldWorld.playerEntities.remove(player);
-	    		WorldServer.class.cast(oldWorld).getPlayerManager().removePlayer(player);
+	    		// Creates sanity by ensuring that we're only known to exist where we're supposed to be known to exist.
+	    		oldWorld.getPlayerManager().removePlayer(player);
 	    		newWorld.getPlayerManager().addPlayer(player);
 	    		
 	    		player.theItemInWorldManager.setWorld((WorldServer)newWorld);
 		    	
+	    		// Synchronize with the server so the client knows what time it is and what it's holding.
 		    	player.mcServer.getConfigurationManager().updateTimeAndWeatherForPlayer(player, (WorldServer)newWorld);
 		    	player.mcServer.getConfigurationManager().syncPlayerInventory(player);
-		      	
 		    	for(Object potionEffect : player.getActivePotionEffects())
 		    	{
 		    		PotionEffect effect = (PotionEffect)potionEffect;
 		    		player.playerNetServerHandler.sendPacketToPlayer(new Packet41EntityEffect(player.entityId, effect));
 		    	}
-		    	player.playerNetServerHandler.sendPacketToPlayer(new Packet43Experience(player.experience, player.experienceTotal, player.experienceLevel));
-	    	}
-	    }	    	
-	    if(difDest)
-	    {
+		    	
+		    	// GreyMaria: Can someone tell me why we need this? I'm commenting it out for now. We'll see if it causes problems.
+		    	//player.playerNetServerHandler.sendPacketToPlayer(new Packet43Experience(player.experience, player.experienceTotal, player.experienceLevel));
+    		}  	
+    		
+    		// Creates sanity by removing the entity from its old location's chunk entity list, if applicable.
 	        int entX = entity.chunkCoordX;
 		    int entZ = entity.chunkCoordZ;
 		    if ((entity.addedToChunk) && (oldWorld.getChunkProvider().chunkExists(entX, entZ)))
@@ -174,8 +196,10 @@ public class dimHelper extends DimensionManager
 		    	oldWorld.getChunkFromChunkCoords(entX, entZ).removeEntity(entity);
 		    	oldWorld.getChunkFromChunkCoords(entX, entZ).isModified = true;
 		    }
+		    // Memory concerns.
 		    oldWorld.releaseEntitySkin(entity);
-	    	if (!(entity instanceof EntityPlayer)) 
+		    
+	    	if (player == null) // Are we NOT working with a player?
 	    	{
 	    		NBTTagCompound entityNBT = new NBTTagCompound();
 	    		entity.isDead = false;
@@ -184,25 +208,41 @@ public class dimHelper extends DimensionManager
 	    		entity = EntityList.createEntityFromNBT(entityNBT, newWorld);
 	    		
 	    		if (entity == null)
-	    		{
-	    			 
+	    		{   // TODO FIXME IMPLEMENT NULL CHECKS THAT ACTUALLY DO SOMETHING.
+	    			/* 
+	    			 * shit ourselves in an organized fashion, preferably
+	    			 * in a neat pile instead of all over our users' games
+	    			 */
 	    		}
+	    		
 	    	}
+	    	
+	    	// Finally, respawn the entity in its new home.
 	    	newWorld.spawnEntityInWorld(entity);
 	    	entity.setWorld(newWorld);
 	    }
 	    entity.worldObj.updateEntityWithOptionalForce(entity, false);
-		if ((entity != null) && (cart != null))
+	    
+	    // Hey, remember me? It's time to remount.
+		if (cart != null)
 		{
-			if ((entity instanceof EntityPlayerMP))
+			// Was there a player teleported? If there was, it's important that we update shit.
+			if (player != null)
 			{
 				entity.worldObj.updateEntityWithOptionalForce(entity, true);	
 			}
 			entity.mountEntity(cart);
 		}
-		if(entity instanceof EntityPlayerMP)
+		
+		// Did we teleport a player? Load the chunk for them.
+		if(player != null)
 		{
 			WorldServer.class.cast(newWorld).getChunkProvider().loadChunk(MathHelper.floor_double(entity.posX) >> 4, MathHelper.floor_double(entity.posZ) >> 4);
+			
+			// Tell Forge we're moving its players so everyone else knows.
+			// Let's try doing this down here in case this is what's killing NEI.
+			GameRegistry.onPlayerChangedDimension((EntityPlayer)entity);
+			
 		}
 		mod_pocketDim.teleporter.placeInPortal(entity, newWorld, link);
 		return entity;