ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/util/AssetUtil.java

/*
 * This file ("AssetUtil.java") is part of the Actually Additions Mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://github.com/Ellpeck/ActuallyAdditions/blob/master/README.md
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015 Ellpeck
 */

package de.ellpeck.actuallyadditions.util;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import de.ellpeck.actuallyadditions.booklet.GuiBooklet;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.renderer.*;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.client.renderer.texture.TextureMap;
import net.minecraft.item.ItemStack;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;
import org.lwjgl.opengl.GL11;
import org.lwjgl.opengl.GL12;

public class AssetUtil{

    public static final ResourceLocation GUI_INVENTORY_LOCATION = getGuiLocation("guiInventory");

    public static int compostRenderId;
    public static int fishingNetRenderId;
    public static int furnaceSolarRenderId;
    public static int coffeeMachineRenderId;
    public static int phantomBoosterRenderId;
    public static int smileyCloudRenderId;
    public static int laserRelayRenderId;
    public static int bookletStandRenderId;

    public static ResourceLocation getGuiLocation(String file){
        return new ResourceLocation(ModUtil.MOD_ID_LOWER, "textures/gui/"+file+".png");
    }

    public static ResourceLocation getBookletGuiLocation(String file){
        return new ResourceLocation(ModUtil.MOD_ID_LOWER, "textures/gui/booklet/"+file+".png");
    }

    public static void displayNameString(FontRenderer font, int xSize, int yPositionOfMachineText, String machineName){
        String localMachineName = StringUtil.localize(machineName+".name");
        font.drawString(localMachineName, xSize/2-font.getStringWidth(localMachineName)/2, yPositionOfMachineText, StringUtil.DECIMAL_COLOR_WHITE);
    }

    @SideOnly(Side.CLIENT)
    public static void renderItemInWorld(ItemStack stack, int renderPass){
        IIcon icon = stack.getItem().getIcon(stack, renderPass);
        float f = icon.getMinU();
        float f1 = icon.getMaxU();
        float f2 = icon.getMinV();
        float f3 = icon.getMaxV();
        Minecraft.getMinecraft().renderEngine.bindTexture(TextureMap.locationItemsTexture);
        ItemRenderer.renderItemIn2D(Tessellator.instance, f1, f2, f, f3, icon.getIconWidth(), icon.getIconHeight(), 1F/16F);
    }

    @SideOnly(Side.CLIENT)
    public static void renderBlockInWorld(Block block, int meta){
        Minecraft.getMinecraft().renderEngine.bindTexture(TextureMap.locationBlocksTexture);
        RenderBlocks.getInstance().renderBlockAsItem(block, meta, 1F);
    }

    @SideOnly(Side.CLIENT)
    public static void renderStackToGui(ItemStack stack, int x, int y, float scale){
        GL11.glPushMatrix();
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        RenderHelper.enableGUIStandardItemLighting();
        GL11.glEnable(GL11.GL_DEPTH_TEST);
        GL11.glEnable(GL12.GL_RESCALE_NORMAL);
        GL11.glTranslated(x, y, 0);
        GL11.glScalef(scale, scale, scale);

        Minecraft mc = Minecraft.getMinecraft();
        boolean flagBefore = mc.fontRenderer.getUnicodeFlag();
        mc.fontRenderer.setUnicodeFlag(false);
        RenderItem.getInstance().renderItemAndEffectIntoGUI(mc.fontRenderer, mc.getTextureManager(), stack, 0, 0);
        RenderItem.getInstance().renderItemOverlayIntoGUI(mc.fontRenderer, mc.getTextureManager(), stack, 0, 0);
        mc.fontRenderer.setUnicodeFlag(flagBefore);

        //GL+MC+NEI suck
        if(mc.currentScreen instanceof GuiBooklet || mc.currentScreen == null){
            RenderHelper.disableStandardItemLighting();
        }
        GL11.glPopMatrix();
    }

    //Copied from Gui.class and changed
    public static void drawHorizontalGradientRect(int startX, int startY, int endX, int endY, int firstColor, int secondColor){
        float f = (float)(firstColor >> 24 & 255)/255.0F;
        float f1 = (float)(firstColor >> 16 & 255)/255.0F;
        float f2 = (float)(firstColor >> 8 & 255)/255.0F;
        float f3 = (float)(firstColor & 255)/255.0F;
        float f4 = (float)(secondColor >> 24 & 255)/255.0F;
        float f5 = (float)(secondColor >> 16 & 255)/255.0F;
        float f6 = (float)(secondColor >> 8 & 255)/255.0F;
        float f7 = (float)(secondColor & 255)/255.0F;
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
        OpenGlHelper.glBlendFunc(770, 771, 1, 0);
        GL11.glShadeModel(GL11.GL_SMOOTH);
        Tessellator tessellator = Tessellator.instance;
        tessellator.startDrawingQuads();
        tessellator.setColorRGBA_F(f1, f2, f3, f);
        tessellator.addVertex((double)startX, (double)startY, 0);
        tessellator.addVertex((double)startX, (double)endY, 0);
        tessellator.setColorRGBA_F(f5, f6, f7, f4);
        tessellator.addVertex((double)endX, (double)endY, 0);
        tessellator.addVertex((double)endX, (double)startY, 0);
        tessellator.draw();
        GL11.glShadeModel(GL11.GL_FLAT);
        GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_ALPHA_TEST);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
}