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Help with drawning stuff into minecraft hud


Daviipkp
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Well, my problem is this: I've been trying to modify the minecraft hud for a long time, relying only on old threads and decompiling mods that mess with that. So far I haven't managed much, so I decided to come here and ask for help. My objective is to change the game bars, add some slots and information on the screen.


Here's the code I'm using to stop rendering what I don't need, and this "renderOverlay" method should create a bar on the screen, but it actually makes the screen completely black

public void onRender(RenderGameOverlayEvent.Pre event) {
		this.mc.options.heldItemTooltips = false;
		renderOverlay(event.getMatrixStack(), 15);
		switch (event.getType()) {
	      case AIR:
	          event.setCanceled(true); 
	      case ARMOR:
	          event.setCanceled(true); 
	      case EXPERIENCE:
	          event.setCanceled(true); 
	      case FOOD:
	          event.setCanceled(true); 
	      case HEALTH:
	          event.setCanceled(true); 
	      case HEALTHMOUNT:
	          event.setCanceled(true); 
	      case HOTBAR:
	          event.setCanceled(true); 
	      case JUMPBAR:
	          event.setCanceled(true); 
	      case POTION_ICONS:
	          event.setCanceled(true); 
	    } 
	  }

 

Edited by Daviipkp
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private void renderOverlay(MatrixStack ms, float partialTicks) {
        drawElement(ms, partialTicks);
      }
    
    private void bind(ResourceLocation res) {
        this.mc.textureManager.bind(res);;
      }
    
    private void drawElement(MatrixStack ms, float partialTicks) {
        bind(AbstractGui.GUI_ICONS_LOCATION);
        RenderSystem.pushMatrix();
        RenderSystem.enableBlend();
        Drawer.drawRect(20, 20, 10, 10, 29836473);
        RenderSystem.popMatrix();
      }



Drawer.drawRect():

 

public static void drawRect(int posX, int posY, int width, int height, int color) {
	    float f3;
	    if (color == -1)
	      return; 
	    if (color <= 16777215 && color >= 0) {
	      f3 = 1.0F;
	    } else {
	      f3 = (color >> 24 & 0xFF) / 255.0F;
	    } 
	    float f = (color >> 16 & 0xFF) / 255.0F;
	    float f1 = (color >> 8 & 0xFF) / 255.0F;
	    float f2 = (color & 0xFF) / 255.0F;
	    RenderSystem.enableBlend();
	    RenderSystem.disableTexture();
	    RenderSystem.blendFuncSeparate(770, 771, 1, 0);
	    RenderSystem.color4f(f, f1, f2, f3);
	    RenderSystem.disableDepthTest();
	    Tessellator tessellator = Tessellator.getInstance();
	    BufferBuilder vertexbuffer = tessellator.getBuilder();
	    vertexbuffer.begin(7, DefaultVertexFormats.BLOCK);
	    vertexbuffer.normal(posX, posY + height, (float) 0.0D).endVertex();
	    vertexbuffer.normal(posX + width, posY + height, (float) 0.0D).endVertex();
	    vertexbuffer.normal(posX + width, posY, (float) 0.0D).endVertex();
	    vertexbuffer.normal(posX, posY, (float) 0.0D).endVertex();
	    tessellator.end();
	    RenderSystem.enableTexture();
	    RenderSystem.disableBlend();
	    RenderSystem.enableDepthTest();
	    RenderSystem.color3f(1.0F, 1.0F, 1.0F);
	  }

there's a lot I don't know how it works, since I'm a bit new to modding, but I've been programming in Java for a while

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17 hours ago, Daviipkp said:

 


public void onRender(RenderGameOverlayEvent.Pre event) {
		this.mc.options.heldItemTooltips = false;
		renderOverlay(event.getMatrixStack(), 15);
		switch (event.getType()) {
	      case AIR:
	          event.setCanceled(true); 
	      case ARMOR:
	          event.setCanceled(true); 
	      case EXPERIENCE:
	          event.setCanceled(true); 
	      case FOOD:
	          event.setCanceled(true); 
	      case HEALTH:
	          event.setCanceled(true); 
	      case HEALTHMOUNT:
	          event.setCanceled(true); 
	      case HOTBAR:
	          event.setCanceled(true); 
	      case JUMPBAR:
	          event.setCanceled(true); 
	      case POTION_ICONS:
	          event.setCanceled(true); 
	    } 
	  }

 

Cough

default:
	event.setCanceled(true);

Cough

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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15 minutes ago, poopoodice said:

MatrixStack, x1, y1, x2, y2, colour

about the color, what should i put there? hex color?

x1 and y1 is one of the edges of the rectangle, right?
so x2 and y2 would be the other end, and will everything in between those two be the color I choose?

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17 hours ago, Daviipkp said:

what should i put there? hex color?

What is the signature of the method you're calling. It should tell you.

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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11 hours ago, Draco18s said:

What is the signature of the method you're calling. It should tell you.

that's a method from Minecraft classes. Is completely confuse (something like _p_82638_)

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That's the name of the parameter, what's it's Type

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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1 hour ago, Daviipkp said:

Integer

Alright then.

On 7/30/2021 at 6:38 PM, Daviipkp said:

about the color, what should i put there? hex color?

How would you express a color as an integer?

Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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Apparently I'm a complete and utter jerk and come to this forum just like to make fun of people, be confrontational, and make your personal life miserable.  If you think this is the case, JUST REPORT ME.  Otherwise you're just going to get reported when you reply to my posts and point it out, because odds are, I was trying to be nice.

 

Exception: If you do not understand Java, I WILL NOT HELP YOU and your thread will get locked.

 

DO NOT PM ME WITH PROBLEMS. No help will be given.

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