IconButton.java

package shedar.mods.ic2.nuclearcontrol.gui.controls;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiButton;
import net.minecraft.util.ResourceLocation;

import org.lwjgl.opengl.GL11;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class IconButton extends GuiButton {
	private ResourceLocation textureLocation;
	public int textureLeft;
	public int textureTop;

	public IconButton(int id, int left, int top, int width, int height, ResourceLocation textureLocation, int textureLeft, int textureTop) {
		super(id, left, top, width, height, "");
		this.textureLocation = textureLocation;
		this.textureLeft = textureLeft;
		this.textureTop = textureTop;
	}

	@Override
	public void drawButton(Minecraft par1Minecraft, int mouseX, int mouseY) {
		if(this.visible){
			GL11.glBindTexture(GL11.GL_TEXTURE_2D, par1Minecraft.renderEngine.getTexture(textureLocation).getGlTextureId());
			boolean isHover = mouseX >= this.xPosition && mouseY >= this.yPosition && mouseX < this.xPosition + this.width && mouseY < this.yPosition + this.height;
			if (isHover)
				drawGradientRect(xPosition, yPosition, xPosition + width, yPosition + height, 0x80FFFFFF, 0x80FFFFFF);
			
			drawTexturedModalRect(xPosition, yPosition, textureLeft, textureTop, width, height);
			this.mouseDragged(par1Minecraft, mouseX, mouseY);
		}
	}
}