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[1.7.2]Problem with writeNBT


enbecko

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Hello guys,

 

my writeToNBT method in the TileEntity EntityHeater throws this Exception:

java.lang.RuntimeException: class com.alotfood.alotfood.entitys.EntityHeater is missing a mapping! This is a bug!
at net.minecraft.tileentity.TileEntity.writeToNBT(TileEntity.java:100) ~[TileEntity.class:?]
at com.alotfood.alotfood.entitys.EntityHeater.writeToNBT(EntityHeater.java:252) ~[EntityHeater.class:?]
at net.minecraft.world.chunk.storage.AnvilChunkLoader.writeChunkToNBT(AnvilChunkLoader.java:323) [AnvilChunkLoader.class:?]
at net.minecraft.world.chunk.storage.AnvilChunkLoader.saveChunk(AnvilChunkLoader.java:132) [AnvilChunkLoader.class:?]
at net.minecraft.world.gen.ChunkProviderServer.safeSaveChunk(ChunkProviderServer.java:229) [ChunkProviderServer.class:?]
at net.minecraft.world.gen.ChunkProviderServer.saveChunks(ChunkProviderServer.java:281) [ChunkProviderServer.class:?]
at net.minecraft.world.WorldServer.saveAllChunks(WorldServer.java:875) [WorldServer.class:?]
at net.minecraft.server.MinecraftServer.saveAllWorlds(MinecraftServer.java:370) [MinecraftServer.class:?]
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:113) [integratedServer.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:482) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:746) [MinecraftServer$2.class:?]

 

The writeToNBT method:

        @Override
        public void writeToNBT(NBTTagCompound tagCompound2) {
                super.writeToNBT(tagCompound2);
                System.out.println("aha");
   
                NBTTagList itemList = new NBTTagList();
                for (int i = 0; i < inv.length; i++) {
                        ItemStack stack = inv[i];
                        if (stack != null) {
                                NBTTagCompound tag = new NBTTagCompound();
                                tag.setByte("Slot", (byte) i);
                                stack.writeToNBT(tag);
                                System.out.println("aha");
                                itemList.appendTag(tag);
                        }
                }
                tagCompound2.setTag("Heater", itemList);
        }

 

I dont know what causes the Exception beacause I used a similar writen method in another TileEntity

 

Hope you can help me :)

 

enbecko

 

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I should have been more detailed.

 

I have a tileentity with a gui. When i put an item in a slot from the tileentity it gives a certain temperature. That works fine but when i close the game and reopen it, one instance of the tileentity seems to have the item in it as needed and updates the temperature correctly, but the other instance just updates when i open the gui.

 

 

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  • 2 weeks later...

Well I have an TileEntity that refreshs up to a certain point and then it places a block on its position.

I can see the newly placed Block but it does not have the functions, it should have. I printed ot the world of the placed block and it only has the client one, so there must be a way to synchronize that.

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