Problem setting block with tile entities

[sun-toast]

So I'm attempting to create a chess game in java that uses tileentities for each piece. I have one block that you place and when you right click it, it creates the board and chess pieces. However, I cannot find out how to bring the chess pieces I made into the world. I know you do worldln.setBlockState() but I can't find out how to access the block i created and set its properties as a tile entity. Any help would be appreciated. Also from a design perspective, one person told me to use the master slave pattern and have my block that creates the board hold all the blocks, but I don't know how to communicate a block back to the original board creator block. Thank you!

 

Edit: If anyone could give any advice on this it would be extremely helpful. Thank you!!!

Edited May 26, 2020 by sun-toast

[poopoodice]

urblock.getStateForPlacement or getDefualtState (you can still mess around with it) , and in your block class override hasTileEntity and return an instance of your custom te in createTileEntity.

You can save the position of the master, and use world.getTileEntity to get the master te.

[DavidM]

This is nostalgic... Reminded me of that time back in middle school where we were asked to make a chess game in Java as a class assignment.

 

Back on topic. If you really want to reference the chess controller from every single chess piece, then I guess you could make a tile entity for each of them (or even make the chess pieces into entities, which is something I would do since you can create the animation of chess pieces sliding across the board). From that point on, just send all interactions on the chess pieces to the chess controller and let it handle the logic. Note that the chess piece should only store the BlockPos of the chess controller, and fetch the actual tile entity of it when it is actually needed.

 

On a side note, I think that with the new way block properties are handled after the flattening, it is possible to store the chess controller's BlockPos as a property instead of creating a tile entity for it. Not sure if that is a good idea from the design perspective though.

Edited May 26, 2020 by DavidM

[TheGreyGhost]

Howdy

  Quote

However, I cannot find out how to bring the chess pieces I made into the world. I know you do worldln.setBlockState() but I can't find out how to access the block i created and set its properties as a tile entity.

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Your chess piece is a block with tileEntity?

Your master knows the location of each chess piece, so the basic algorithm is

1) Master places the chess piece at [x,y,z] using setBlockState

2) Master then retrieves the tileentity at [x,y,z] by asking the world for it (world.getTileEntity()) and casting it to the known entity type

3) Master sets the tileentity properties (I imagine - telling each slave what type of piece it is, as well as the [x,y,z] of the master) by calling the appropriate method in the tileentity.

 

Vanilla uses late initialisation for TileEntities anyway via read (from NBT) so constructing an empty TileEntity isn't a problem

 

-TGG

 

 

 

Edited May 26, 2020 by TheGreyGhost

[TheGreyGhost]

  On 5/26/2020 at 5:58 AM, DavidM said:

On a side note, I think that with the new way block properties are handled after the flattening, it is possible to store the chess controller's BlockPos as a property instead of creating a tile entity for it. Not sure if that is a good idea from the design perspective though.

Expand  

BTW block properties don't work like that; each block still has a blockstate for every possible combination of the properties that you attach to it, it just assigns a unique integer to each blockstate combination behind the scenes.

 

So for example - a block with a FACING (four directions), a POWERED (on or off), and a SPEED (slow, medium, fast, ludicrous) would have 4*2*4 = 32 different combinations.  If you tried to store a BlockPos it would try to make X * Y * Z combinations i.e. 2^32 * 256 * 2^32. 

 

But you could for sure make each space on the chess board into a chess piece using blockstates (no tileentities) and have the master control the blockstate at each chess board location.  If you don't need animated figures then that's quite a bit simpler than using TileEntity and TileEntityRenderer