I am trying to render my custom potion's icon using the renderInventoryEffect but i dont really know what im doing with drawTexturedModalRect so here is what i came up with but it obviously doesn't work.

 

Heres what it looks like:

http://imgur.com/edit

 

And here is the code :

 

  @SideOnly(Side.CLIENT)

    public void renderInventoryEffect(int x, int y, PotionEffect effect, net.minecraft.client.Minecraft mc) {

ScaledResolution sr = new ScaledResolution(mc, mc.displayWidth, mc.displayHeight);

int Width = sr.getScaledWidth();

int Height = sr.getScaledHeight();

  mc.getMinecraft().currentScreen.drawTexturedModalRect(x, y, 16, 16, Width, Height);

  Minecraft.getMinecraft().renderEngine.bindTexture(ToxicIcon);

 

}

Might help if you bound the texture before drawing it to the screen.

ah right yea thanks it renders properly now but it takes up too much of the screen than i wanted.

How it looks now:

 

 

i thought if i changed the width and height to 16 that would limit were that rendered on the screen but that didn't seem to work

Well, the "width" and "height" there aren't "size on screen" they're "width and height of the texture region."  And right now your code says "use as many texture pixels as the game window is large."

hmm it displays the whole image if the width and height is 256x256 but takes up way too much of the screen and if i use 16x16 its the right size but only renders that much of the image but i thought my image was 16x16 not 256x265?