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[Solved] [1.17.1] Adding custom player data


mclich
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So, i want to add a mana bar and show it near health and food bars. I know that i need to render it using RenderGameOverlayEvent.Post, but what i don't know, is how do i add some custom data (like health or saturation) to all players at once (in my case it is mana data). I watched LivingEntity source code, and as i understand, i need to define a new EntityDataAccessor using entityData field. If so, how can i do this? I thought there are some player events that help creating custom data, but i didn't find any. Any help would be appreciated

Edited by mclich
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Capability would be the best way, but if you want to render things you need to manage the logic on Server and then send the changes to the Client

Forge Community Wiki: https://forge.gemwire.uk/wiki/Capabilities
Forge Doc: https://mcforge.readthedocs.io/en/latest/datastorage/capabilities/#the-capability-system
Network: https://forge.gemwire.uk/wiki/SimpleChannel

 

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19 minutes ago, Luis_ST said:

Capability would be the best way, but if you want to render things you need to manage the logic on Server and then send the changes to the Client

Forge Community Wiki: https://forge.gemwire.uk/wiki/Capabilities
Forge Doc: https://mcforge.readthedocs.io/en/latest/datastorage/capabilities/#the-capability-system
Network: https://forge.gemwire.uk/wiki/SimpleChannel

 

So should i use AttachCapabilitiesEvent<Entity> or create my own capability?

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So i added a capability system to my mod and it works fine, but now i have a problem with rendering.
This code of mine makes render of mana bar (it should be right above vanilla food bar):

private static final ResourceLocation ICONS=new ResourceLocation(ElderNorseGods.MOD_ID+":textures/gui/bar/mana.png");

@SubscribeEvent(priority=EventPriority.LOWEST)
public static void renderManaBar(RenderGameOverlayEvent.Post event)
{
	Minecraft mc=Minecraft.getInstance();
	if(!mc.gameMode.getPlayerMode().isSurvival()||event.getType()==ElementType.ALL) return;
	LazyOptional<IManaHandler> manaHandler=mc.player.getCapability(ManaHandlerCapability.MANA_HANDLER_CAPABILITY);
	RenderSystem.enableBlend();
	mc.getTextureManager().bind(ManaBar.ICONS);
	int x=mc.getWindow().getGuiScaledWidth()/2+10;
	int y=mc.getWindow().getGuiScaledHeight()-49;
	mc.gui.blit(event.getMatrixStack(), x, y, 0, 0, 54, 9);
	RenderSystem.disableBlend();
}

Everything works as it should works, but for some reason after binding and bliting my texture vanilla food bar just disappears. I have no idea what is going on here and why it's just gone. Btw, my texture size is 256x256. I tried to use other (static ones) blit methods because i want to use smaller version of my texture, but they didn't work. I assume that my texture is just too big and covers food bar (RenderSystem.enableBlend seems not working too), but it doesn't cover hotbar and xp bar. Any ideas what is wrong here?

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On 11/25/2021 at 11:37 AM, diesieben07 said:

In 1.17 you should use OverlayRegistry to register a custom overlay instead of drawing directly in RenderGameOverlayEvent.Post.

When adding to the HUD and binding a different texture you need to bind GuiComponent.GUI_ICONS_LOCATION afterwards, because that is what the other HUD elements expect.

Okay, thanks. Btw, how can i do this in 1.16.5 (I make my mod for both 1.17.1 and 1.16.5 at the same time)? 

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Okay, i've just solved it. In case someone has the same problem all you need to do is check in your render method that the getType() equals ElementType.ALL. In my case i just replaced one if statement:

On 11/25/2021 at 3:17 AM, mclich said:
if(!mc.gameMode.getPlayerMode().isSurvival()||event.getType()==ElementType.ALL) return;

for

if(!mc.gameMode.getPlayerMode().isSurvival()||event.getType()!=ElementType.ALL) return;
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  • mclich changed the title to [Solved] [1.17.1] Adding custom player data

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