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[1.8] Get TileEntities within a boundingbox [SOLVED]


MCRaichu

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Hi,

I'm trying to detect all TileEntities within a certain radius. I've been looking but it seems there is no method to do that. Basically what I'm looking for is getEntitiesWithinAABB from World but for TileEntities. If no method exists I will write my own but would be nice to save the effort.

 

Regards,

McRaichu

It doesn't work, I don't know why.

It works, I don't know why.

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Figured. It is basically copying the entity method but certain things bother me. For example: getEntitiesWithinAABB does a isChunkLoaded check, but since its protected i can't call it. can i ignore it since my entity (the one searching) is only loaded when the chunk is loaded?

It doesn't work, I don't know why.

It works, I don't know why.

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Since I have never done reflection, could you help me a bit? the oracle reference is not very helpful.

Here my code so far (not tested):

public static List getTileEntitiesWithinAABB(World world, Class tileEntityClass, AxisAlignedBB aabb)
{
	int i = MathHelper.floor_double((aabb.minX - MAX_ENTITY_RADIUS) / 16.0D);
	int j = MathHelper.floor_double((aabb.maxX + MAX_ENTITY_RADIUS) / 16.0D);
	int k = MathHelper.floor_double((aabb.minZ - MAX_ENTITY_RADIUS) / 16.0D);
	int l = MathHelper.floor_double((aabb.maxZ + MAX_ENTITY_RADIUS) / 16.0D);
	ArrayList arraylist = Lists.newArrayList();

	for (int i1 = i; i1 <= j; ++i1)
	{
		for (int j1 = k; j1 <= l; ++j1)
		{
			boolean chunkLoaded = false;
			try {
				//isChunkLoaded(i1, j1, true)
				Method method = world.getClass().getMethod("isChunkLoaded", int.class,int.class,boolean.class);
				chunkLoaded = (Boolean) method.invoke(world, i1, j1, true);

			} catch (IllegalAccessException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (IllegalArgumentException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (InvocationTargetException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (NoSuchMethodException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			} catch (SecurityException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}

			if(chunkLoaded)
			{
				Iterator iterator = world.getChunkFromChunkCoords(i1, j1).getTileEntityMap().values().iterator();

				while (iterator.hasNext())
				{
					TileEntity te = (TileEntity)iterator.next();
					if(tileEntityClass.isInstance(te))
					{
						if (te.getRenderBoundingBox().intersectsWith(aabb))
		                {
							arraylist.add(te);
		                }
					}
				}
			}
		}
	}
	return arraylist;
}

It doesn't work, I don't know why.

It works, I don't know why.

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I currently facing the problem that it is called from WorldServer which extends World and i get IllegalAccessExc. when invoking. But using WorldServer as class of getDeclaredMethod it throws a NoSuchMethodException.

 

EDIT: forget it. works. well except the tileentitymaps from the chunks appear empty....

 

EDIT 2: had a mistake at my tileentities. they didn't exist. so everything works. thanks diesieben

It doesn't work, I don't know why.

It works, I don't know why.

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