buildcraftAdditions.utils.RenderUtils.java Source code

Introduction

Here is the source code for buildcraftAdditions.utils.RenderUtils.java

Source

package buildcraftAdditions.utils;

import org.lwjgl.opengl.GL11;

import net.minecraft.client.Minecraft;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.IIconRegister;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;

import net.minecraftforge.fluids.FluidStack;

import buildcraftAdditions.reference.Variables;

/**
 * Copyright (c) 2014-2015, AEnterprise
 * http://buildcraftadditions.wordpress.com/
 * Buildcraft Additions is distributed under the terms of GNU GPL v3.0
 * Please check the contents of the license located in
 * http://buildcraftadditions.wordpress.com/wiki/licensing-stuff/
 */
public class RenderUtils {
    public static final ResourceLocation MC_BLOCK_SHEET = TextureMap.locationBlocksTexture;
    public static final ResourceLocation MC_ITEM_SHEET = TextureMap.locationItemsTexture;

    public static TextureManager textureManager() {
        return Minecraft.getMinecraft().getTextureManager();
    }

    public static void bindTexture(ResourceLocation texture) {
        textureManager().bindTexture(texture);
    }

    public static void drawFluid(FluidStack fluid, int level, int x, int y, int width, int height) {
        if (fluid == null || fluid.getFluid() == null) {
            return;
        }
        IIcon icon = fluid.getFluid().getIcon(fluid);
        bindTexture(MC_BLOCK_SHEET);
        Utils.setGLColorFromInt(fluid.getFluid().getColor(fluid));
        int fullX = width / 16;
        int fullY = height / 16;
        int lastX = width - fullX * 16;
        int lastY = height - fullY * 16;
        int fullLvl = (height - level) / 16;
        int lastLvl = (height - level) - fullLvl * 16;
        for (int i = 0; i < fullX; i++) {
            for (int j = 0; j < fullY; j++) {
                if (j >= fullLvl) {
                    drawCutIcon(icon, x + i * 16, y + j * 16, 16, 16, j == fullLvl ? lastLvl : 0);
                }
            }
        }
        for (int i = 0; i < fullX; i++) {
            drawCutIcon(icon, x + i * 16, y + fullY * 16, 16, lastY, fullLvl == fullY ? lastLvl : 0);
        }
        for (int i = 0; i < fullY; i++) {
            if (i >= fullLvl) {
                drawCutIcon(icon, x + fullX * 16, y + i * 16, lastX, 16, i == fullLvl ? lastLvl : 0);
            }
        }
        drawCutIcon(icon, x + fullX * 16, y + fullY * 16, lastX, lastY, fullLvl == fullY ? lastLvl : 0);
    }

    public static void drawCutIcon(IIcon icon, int x, int y, int width, int height, float cut) {
        Tessellator tess = Tessellator.instance;
        tess.startDrawingQuads();
        tess.addVertexWithUV(x, y + height, 0, icon.getMinU(), icon.getInterpolatedV(height));
        tess.addVertexWithUV(x + width, y + height, 0, icon.getInterpolatedU(width), icon.getInterpolatedV(height));
        tess.addVertexWithUV(x + width, y + cut, 0, icon.getInterpolatedU(width), icon.getInterpolatedV(cut));
        tess.addVertexWithUV(x, y + cut, 0, icon.getMinU(), icon.getInterpolatedV(cut));
        tess.draw();
    }

    public static IIcon registerIcon(IIconRegister register, String name) {
        return register.registerIcon(Variables.MOD.ID + ":" + name);
    }

    public static void drawImage(ResourceLocation image, int x, int y, int width, int height) {
        bindTexture(image);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
        Tessellator tess = Tessellator.instance;
        tess.startDrawingQuads();
        tess.addVertexWithUV(x, y + height, 0, 0, 1);
        tess.addVertexWithUV(x + width, y + height, 0, 1, 1);
        tess.addVertexWithUV(x + width, y, 0, 1, 0);
        tess.addVertexWithUV(x, y, 0, 0, 0);
        tess.draw();
    }
}