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Syncing Tile Entity with GUI


McJty

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For 1.7.10.

 

I'm making a block that supports RF and implements IEnergyHandler. The block also has a GUI. When the GUI is open I want the GUI to automatically show the current RF in the block but it isn't updating automatically because the client side tileentity doesn't seem to be updated. How can I properly get the GUI to update the RF in real time?

 

I have a Container for my tile entity.

 

Thanks

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Ok, I have examined the furnace code a bit and I think it does something fundamentally different from what I have been to do in tutorials. First I see that the important parts in the ContainerFurnace code that handle synchronizing the GUI have to do with ContainerFurnace.detectAndSendChanges() and also addCraftingToCrafters(). These functions basically update various variables (like furnaceCookTime, lastCookTime and so on) in the TileEntityFurnace instance. I assume they are updating the server side version of this tile entity there.

 

Then in GuiFurnace these tile entity variables are used to display the progress. Here is the source of my confusion. The way I do GUI's the tile entity instances on client side are different (copies?) from the tile entities on the server so when I change status variables in the server version they are not automatically synced to the tile entity that the GUI is currently looking at. Apparently this is not the case for how the furnace works.

 

So I decided to have a look on how the GUI is actually opened and found out this code (last parameter is the tile entity):

 

this.mc.displayGuiScreen(new GuiFurnace(this.inventory, p_146101_1_));

 

This is called from within BlockFurnace.onBlockActivated() when world.isRemote is false (so that means it is called on the server). Of course that way the GuiFurnace() instance is allocated with a reference to the server version of the tile entity. That way the GUI can correctly see all changes to that tile entity.

 

So now I'm wondering if I'm doing GUI's the wrong way. In my way of doing things (which I got from various tutorials on the web) I have a GuiProxy class which basically has this code:

 

    public Object getServerGuiElement(int guiid, EntityPlayer entityPlayer, World world, int x, int y, int z) {
        if (guiid == RFTools.GUI_CRAFTER) {
            TileEntity te = world.getTileEntity(x, y, z);
            if (te instanceof CrafterBlockTileEntity) {
                CrafterBlockTileEntity crafterBlockTileEntity = (CrafterBlockTileEntity) te;
                return new CrafterContainer(entityPlayer, crafterBlockTileEntity, 0, 0);
            }
        }
        return null;
    }

    @Override
    public Object getClientGuiElement(int guiid, EntityPlayer entityPlayer, World world, int x, int y, int z) {
        if (guiid == RFTools.GUI_CRAFTER) {
            TileEntity te = world.getTileEntity(x, y, z);
            if (te instanceof CrafterBlockTileEntity) {
                CrafterBlockTileEntity crafterBlockTileEntity = (CrafterBlockTileEntity) te;
                CrafterContainer testContainer = new CrafterContainer(entityPlayer, crafterBlockTileEntity, 256, 184);
                return new GuiCrafter(crafterBlockTileEntity, testContainer);
            }
        }
        return null;
    }

 

So my GuiCrafter class is instantiated on the client side with a client version of the tile entity.

 

Am I doing my GUI's wrong?

 

Thanks!

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