[SOLVED] [1.12] How to get a List of TileEntities

[MrDj200]

Hey there!

I'm new to modding and would like to get a List of all registered TileEntities.

I tried:

Minecraft.getMinecraft().world.loadedTileEntityList;

 But it only gives the TE's already in the World and I want a list with All registered TE's. 

Is that possible?

If yes, how?

 

I'd love to see an example

 

Greetings

-Dj

Edited September 5, 2017 by MrDj200

[Draco18s]

TileEntity has a REGISTRY field that is like all other registries. You will need to use reflection to access it, however.

[MrDj200]

Thanks for the reply!

I tried using that. And it works in my IDE, however not on "real" servers. I think it has something to do with Obfuscation(?).

Here is the Code I used:

try
        {
            Field field = TileEntity.class.getDeclaredField("REGISTRY");
            field.setAccessible(true);
            RegistryNamespaced<ResourceLocation, Class<? extends TileEntity>> reg = (RegistryNamespaced) field.get(null);
            for(ResourceLocation location : reg.getKeys())
            {
                Class<? extends TileEntity> entity = reg.getObject(location);
                LogHelper.info("Registered TE: " + entity.getName());
            }
        }
        catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException ex)
        {
            LogHelper.error("An unexpected error occured ", ex);
        }

Is there a way to use it on "real" servers/clients?

 

-Dj

[MrDj200]

Spoiler

java.lang.NoSuchFieldException: REGISTRY
	at java.lang.Class.getDeclaredField(Class.java:2070) ~[?:1.8.0_144]
	at me.dj.spatialserver.SpatialServer.init(SpatialServer.java:41) [SpatialServer.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
	at net.minecraftforge.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:614) [FMLModContainer.class:?]
	at sun.reflect.GeneratedMethodAccessor10.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.jar:?]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.jar:?]
	at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:252) [LoadController.class:?]
	at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:230) [LoadController.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_144]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_144]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_144]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_144]
	at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76) [minecraft_server.1.12.jar:?]
	at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116) [minecraft_server.1.12.jar:?]
	at com.google.common.eventbus.EventBus.post(EventBus.java:217) [minecraft_server.1.12.jar:?]
	at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:147) [LoadController.class:?]
	at net.minecraftforge.fml.common.Loader.initializeMods(Loader.java:781) [Loader.class:?]
	at net.minecraftforge.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:107) [FMLServerHandler.class:?]
	at net.minecraftforge.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:336) [FMLCommonHandler.class:?]
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:216) [nx.class:?]
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:483) [MinecraftServer.class:?]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_144]

 

Thats the info the LogHelper gives me on a real Server. Forgot to add it.

 

-Dj

[Draco18s]

You need the SRG name as well. You can get it from MCPbot.

[MrDj200]

Hmm, It gave me something, but it seems like it was wrong.

I now use this:

Class cls = Class.forName("avh.f");
field = cls.getDeclaredField("field_190562_f");

Instead of this:

field = TileEntity.class.getDeclaredField("REGISTRY");

 

 

But neither works on servers. 

Do I have to type in something else in MCPbot?

 

My input in MCP was this:

Spoiler

 

 

-Dj

Edited September 5, 2017 by MrDj200

[Draco18s]

Use ReflectionHelper.

(Note: The class name is not "avh.f" it's "avh" with a field name of "f", but you don't need Notch names anyway)

[MrDj200]

I cant seem to figure out how it works. 

As I said Im very new To mc modding even to Java.

So if someone could provide an example, I'd be very grateful.

 

-Dj

[Draco18s]

https://github.com/Draco18s/ReasonableRealism/blob/1.12.1/src/main/java/com/draco18s/hardlib/util/AdvancementUtils.java#L20

Here's an example. It does not point to the same object you're interested in, it just shows how to use ReflectionHelper.

[MrDj200]

Thanks.

So like this?

Field listField = ReflectionHelper.findField(TileEntity.class, "REGISTRY", "field_190562_f");

Or Like this:

Field listField = ReflectionHelper.findField(avh.class, "REGISTRY", "field_190562_f");

 

Edited September 5, 2017 by MrDj200

[MrDj200]

It seems to work now!

Thank you VERY much!

 

It was:

Field field = ReflectionHelper.findField(TileEntity.class, "REGISTRY", "field_190562_f");

 

Have a nice rest Day/night/whatever!

 

-Dj