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package thaumcraftextras.handlers.events;

import java.awt.Color;

import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.FontRenderer;
import net.minecraft.client.gui.ScaledResolution;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.tileentity.TileEntity;
import net.minecraftforge.client.event.RenderGameOverlayEvent;

import org.lwjgl.opengl.GL11;

import thaumcraftextras.api.misc.MagicEnergyTile;
import thaumcraftextras.blocks.tiles.TileEntityMagicWandCharger;
import thaumcraftextras.items.ItemMagicEnergyReader;
import wasliecore.helpers.ColorHelper;
import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

public class PlayerRenderTick{

	@SideOnly(Side.CLIENT)
	@SubscribeEvent
	  public void playerRender(RenderGameOverlayEvent.Post event){
		if(Minecraft.getMinecraft().thePlayer != null){
			Minecraft mc = Minecraft.getMinecraft();
			EntityPlayer player = Minecraft.getMinecraft().thePlayer ;
			if(player.getCurrentEquippedItem() != null && player.getCurrentEquippedItem().getItem() instanceof ItemMagicEnergyReader){
				if(mc.renderViewEntity != null && mc.renderViewEntity.rayTrace(200, 1.0F) != null){
					int blockX = mc.renderViewEntity.rayTrace(200, 1.0F).blockX;
					int blockY = mc.renderViewEntity.rayTrace(200, 1.0F).blockY;
					int blockZ = mc.renderViewEntity.rayTrace(200, 1.0F).blockZ;
					TileEntity tile = player.worldObj.getTileEntity(blockX, blockY, blockZ);
					if(tile != null){
						if(tile instanceof MagicEnergyTile){
							MagicEnergyTile magic = (MagicEnergyTile)tile;
							ScaledResolution res = new ScaledResolution(mc.gameSettings, mc.displayWidth, mc.displayHeight);
							int width = res.getScaledWidth();
							int height = res.getScaledHeight();
							FontRenderer font = mc.fontRenderer;
							int stringLengthX = (width - font.getStringWidth("Energy Stored: 00")) / 2;
							int stringLengthY = height - 60;
							GL11.glPushMatrix();
							GL11.glEnable(GL11.GL_BLEND);
							GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

							if(magic != null){
								String s;
								s = "Energy Stored: " + magic.getEnergy() + "/" + magic.getMaxEnergy();
								stringLengthY = height - 80;
								stringLengthX = (width - font.getStringWidth(s)) / 2;
								font.drawString(s, stringLengthX, stringLengthY, ColorHelper.getColorCodeFromColor(Color.red));

								s = "Input/Output: " + magic.getMaxTransfer();
								stringLengthY = height - 70;
								stringLengthX = (width - font.getStringWidth(s)) / 2;
								font.drawString(s, stringLengthX, stringLengthY, ColorHelper.getColorCodeFromColor(Color.red));

								if(tile instanceof TileEntityMagicWandCharger){
									TileEntityMagicWandCharger wandCharger = (TileEntityMagicWandCharger)tile;
									if(wandCharger.getStackInSlot(0) != null){
										s = "Item Containing: " + wandCharger.getStackInSlot(0).getDisplayName();
										stringLengthY = height - 60;
										stringLengthX = (width - font.getStringWidth(s)) / 2;
										font.drawString(s, stringLengthX, stringLengthY, ColorHelper.getColorCodeFromColor(Color.red));
									}
								}
							}
							GL11.glDisable(GL11.GL_BLEND);
							GL11.glPopMatrix();
						}
					}
				}
			}
		}
	}
}