com.professorvennie.machinerycraft.core.handlers.HudHandler.java Source code

Introduction

Here is the source code for com.professorvennie.machinerycraft.core.handlers.HudHandler.java

Source

/**
 * This class was created by <Professorvennie>. It's distributed as
 * part of the Machinery Craft Mod. Get the Source Code in github:
 * https://github.com/Professorvennie/MachineryCraft
 *
 * Machinery Craft 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)
 * */
package com.professorvennie.machinerycraft.core.handlers;

import com.professorvennie.machinerycraft.api.book.BookEntry;
import com.professorvennie.machinerycraft.api.book.IBookable;
import com.professorvennie.machinerycraft.items.ModItems;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.block.Block;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.client.renderer.entity.RenderItem;
import net.minecraft.item.ItemStack;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.StatCollector;
import net.minecraftforge.client.event.RenderGameOverlayEvent;
import net.minecraftforge.client.event.RenderGameOverlayEvent.ElementType;
import org.lwjgl.opengl.GL11;

public class HudHandler {

    private static final RenderItem itemRender = new RenderItem();

    @SubscribeEvent
    public void onDrawScreen(RenderGameOverlayEvent.Post event) {
        if (event.type == ElementType.ALL) {
            Minecraft mc = Minecraft.getMinecraft();
            MovingObjectPosition pos = mc.objectMouseOver;
            if (pos != null && mc.thePlayer.getCurrentEquippedItem() != null
                    && mc.thePlayer.getCurrentEquippedItem().getItem() == ModItems.book) {
                Block block = mc.theWorld.getBlock(pos.blockX, pos.blockY, pos.blockZ);
                if (block instanceof IBookable) {
                    BookEntry entry = ((IBookable) block).getEntry(mc.theWorld, pos.blockX, pos.blockY, pos.blockZ,
                            mc.thePlayer, mc.thePlayer.getCurrentEquippedItem());
                    if (entry != null)
                        drawBookGUI(entry, event.resolution);
                }
            }
        }
    }

    private void drawBookGUI(BookEntry entry, ScaledResolution res) {
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        Minecraft mc = Minecraft.getMinecraft();
        int x = res.getScaledWidth() / 2 + 8;
        int y = res.getScaledHeight() / 2 - 4;

        int color = 0xFF5A28;

        String info = StatCollector.translateToLocal("mc.book.shiftToRead");
        int itemX = x - (mc.fontRenderer.getStringWidth(new ItemStack(ModItems.book).getDisplayName()) / 2);
        mc.fontRenderer.drawStringWithShadow(StatCollector.translateToLocal(entry.getUnlocalizedName()), itemX,
                y + 6, color);
        mc.fontRenderer.drawStringWithShadow(info, x - (mc.fontRenderer.getStringWidth(info) / 2), y + 18, color);
        itemRender.renderItemIntoGUI(mc.fontRenderer, mc.renderEngine, new ItemStack(ModItems.book), itemX - 20,
                y + 2);
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glDisable(GL11.GL_BLEND);
        GL11.glColor4f(1F, 1F, 1F, 1F);
    }
}