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[1.11.2] [Solved] Change Scale of large GUI to fit Screen


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Hi, I'm currently working on a GUI and it has a size of 234x300. When it is drawn, it gets cut off on the bottom. I'm able to use GlStateManager.scale but the problem with that is that the GUI becomes off centered. The video settings option of GUI Scale makes the GUI smaller, but I'm not sure how it does that while keeping everything centered. Does anyone know how to recreate this for a specific GUI, except not based on the GUI Scale setting? I also need this to happen with any text for the GUI.


Picture of GUI being cut off:



Picture of GUI fully visible when GUI Scale in setting is set to 'Small':


Edited by SuperHB
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Try to use something like percentages instead of hardcoded pixel values.

this.height for example would equals 100% screen height.

this.height/2 equals 50% and so on.


Edit: Of course that needs dynamic gui creation.

Edited by JTK222
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15 hours ago, diesieben07 said:

Show your code.

public class GuiArcade extends GuiScreen {
    public void drawScreen (int mouseX, int mouseY, float partialTicks) {
        this.drawModalRectWithCustomSizedTexture((width / 2) - (xSize / 2), (height / 2) - (ySize / 2), 0, 0, xSize, ySize, textureWidth, textureHeight);

This is all I have right now as I don't really know how Minecraft scales the GUI. All this does is center the GUI onto the screen, but I don't know how to resize it while keeping it centered.


width = from GuiScreen

height = from GuiScreen

xSize = Width of GUI (In this case 234)

ySize = Height of GUI (In this case 300)

textureWidth & textureHeight = Texture size (In this case 512)

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19 hours ago, diesieben07 said:

Well, use a smaller size instead of xSize and ySize.

I think you misunderstood what I'm trying to do. With the code above the GUI is centered but it is cut off on the top and bottom. When I use 

GlStateManager.scale(0.5F, 0.5F, 0.5F);

To scale the GUI to fit it on, the GUI isn't center anymore. Trying to center it by dividing the xSize and ySize by doesn't work either


 EDIT: I got the GUI to center with a scale of 0.5 using

this.drawModalRectWithCustomSizedTexture((width - xSize) + Math.round(xSize * scale), (height - ySize) + Math.round(ySize * scale), 0, 0, xSize, ySize, textureWidth, textureHeight);


EDIT 2: Figure out how to center GUI with any scale (probably) using

this.drawModalRectWithCustomSizedTexture((Math.round((width / 2) / scale) - Math.round(xSize / 2)), (Math.round((height / 2) / scale) - Math.round(ySize / 2)), 0, 0, xSize, ySize, textureWidth, textureHeight);
Edited by SuperHB
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