dracocore.handbook.helpers.RenderHelper.java Source code

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Here is the source code for dracocore.handbook.helpers.RenderHelper.java

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/**
 * This class was created by <Vazkii>. It's distributed as
 * part of the Botania Mod. Get the Source Code in github:
 * https://github.com/Vazkii/Botania
 * 
 * Botania is Open Source and distributed under a
 * Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License
 * (http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_GB)
 * 
 * File Created @ [Jan 19, 2014, 5:40:38 PM (GMT)]
 */
//https://github.com/Vazkii/Botania/blob/master/MODSRC/vazkii/botania/client/core/helper/RenderHelper.java
//Credit to Vazkii for these utils as they are better than the vanilla methods.
package dracocore.handbook.helpers;

import java.util.List;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.Tessellator;

import org.lwjgl.opengl.GL11;

public final class RenderHelper {

    public static void drawGradientRect(int par1, int par2, float z, int par3, int par4, int par5, int par6) {
        final float var7 = ((par5 >> 24) & 255) / 255F;
        final float var8 = ((par5 >> 16) & 255) / 255F;
        final float var9 = ((par5 >> 8) & 255) / 255F;
        final float var10 = (par5 & 255) / 255F;
        final float var11 = ((par6 >> 24) & 255) / 255F;
        final float var12 = ((par6 >> 16) & 255) / 255F;
        final float var13 = ((par6 >> 8) & 255) / 255F;
        final float var14 = (par6 & 255) / 255F;
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glShadeModel(GL11.GL_SMOOTH);
        final Tessellator var15 = Tessellator.instance;
        var15.startDrawingQuads();
        var15.setColorRGBA_F(var8, var9, var10, var7);
        var15.addVertex(par3, par2, z);
        var15.addVertex(par1, par2, z);
        var15.setColorRGBA_F(var12, var13, var14, var11);
        var15.addVertex(par1, par4, z);
        var15.addVertex(par3, par4, z);
        var15.draw();
        GL11.glShadeModel(GL11.GL_FLAT);
        GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }

    public static void drawTexturedModalRect(int par1, int par2, float z, int par3, int par4, int par5, int par6) {
        drawTexturedModalRect(par1, par2, z, par3, par4, par5, par6, 0.00390625F, 0.00390625F);
    }

    public static void drawTexturedModalRect(int par1, int par2, float z, int par3, int par4, int par5, int par6,
            float f, float f1) {
        Tessellator tessellator = Tessellator.instance;
        tessellator.startDrawingQuads();
        tessellator.addVertexWithUV(par1 + 0, par2 + par6, z, (par3 + 0) * f, (par4 + par6) * f1);
        tessellator.addVertexWithUV(par1 + par5, par2 + par6, z, (par3 + par5) * f, (par4 + par6) * f1);
        tessellator.addVertexWithUV(par1 + par5, par2 + 0, z, (par3 + par5) * f, (par4 + 0) * f1);
        tessellator.addVertexWithUV(par1 + 0, par2 + 0, z, (par3 + 0) * f, (par4 + 0) * f1);
        tessellator.draw();
    }

    public static void renderTooltip(int x, int y, List<String> tooltipData) {
        final int color = 0x505000ff;
        final int color2 = 0xf0100010;

        renderTooltip(x, y, tooltipData, color, color2);
    }

    public static void renderTooltip(int x, int y, List<String> tooltipData, int color, int color2) {
        final boolean lighting = GL11.glGetBoolean(GL11.GL_LIGHTING);
        if (lighting)
            net.minecraft.client.renderer.RenderHelper.disableStandardItemLighting();

        if (!tooltipData.isEmpty()) {
            int var5 = 0;
            int var6;
            int var7;
            final FontRenderer fontRenderer = Minecraft.getMinecraft().fontRenderer;
            for (var6 = 0; var6 < tooltipData.size(); ++var6) {
                var7 = fontRenderer.getStringWidth(tooltipData.get(var6));
                if (var7 > var5)
                    var5 = var7;
            }
            var6 = x + 12;
            var7 = y - 12;
            int var9 = 8;
            if (tooltipData.size() > 1)
                var9 += 2 + ((tooltipData.size() - 1) * 10);
            final float z = 300F;
            drawGradientRect(var6 - 3, var7 - 4, z, var6 + var5 + 3, var7 - 3, color2, color2);
            drawGradientRect(var6 - 3, var7 + var9 + 3, z, var6 + var5 + 3, var7 + var9 + 4, color2, color2);
            drawGradientRect(var6 - 3, var7 - 3, z, var6 + var5 + 3, var7 + var9 + 3, color2, color2);
            drawGradientRect(var6 - 4, var7 - 3, z, var6 - 3, var7 + var9 + 3, color2, color2);
            drawGradientRect(var6 + var5 + 3, var7 - 3, z, var6 + var5 + 4, var7 + var9 + 3, color2, color2);
            final int var12 = ((color & 0xFFFFFF) >> 1) | (color & -16777216);
            drawGradientRect(var6 - 3, (var7 - 3) + 1, z, (var6 - 3) + 1, (var7 + var9 + 3) - 1, color, var12);
            drawGradientRect(var6 + var5 + 2, (var7 - 3) + 1, z, var6 + var5 + 3, (var7 + var9 + 3) - 1, color,
                    var12);
            drawGradientRect(var6 - 3, var7 - 3, z, var6 + var5 + 3, (var7 - 3) + 1, color, color);
            drawGradientRect(var6 - 3, var7 + var9 + 2, z, var6 + var5 + 3, var7 + var9 + 3, var12, var12);

            GL11.glDisable(GL11.GL_DEPTH_TEST);
            for (int var13 = 0; var13 < tooltipData.size(); ++var13) {
                final String var14 = tooltipData.get(var13);
                fontRenderer.drawStringWithShadow(var14, var6, var7, -1);
                if (var13 == 0)
                    var7 += 2;
                var7 += 10;
            }
            GL11.glEnable(GL11.GL_DEPTH_TEST);
        }
        if (!lighting)
            net.minecraft.client.renderer.RenderHelper.disableStandardItemLighting();
        GL11.glColor4f(1F, 1F, 1F, 1F);
    }

}