package mekanism.client;

import mekanism.client.MekanismRenderer.Model3D;
import mekanism.common.CableUtils;
import mekanism.common.Mekanism;
import mekanism.common.TileEntityUniversalCable;
import net.minecraft.block.Block;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.Icon;
import net.minecraftforge.common.ForgeDirection;

import org.lwjgl.opengl.GL11;

import cpw.mods.fml.client.FMLClientHandler;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class RenderUniversalCable extends TileEntitySpecialRenderer
{
	private ModelTransmitter model = new ModelTransmitter();
	
	private Icon renderIcon = FMLClientHandler.instance().getClient().renderEngine.textureMapItems.registerIcon("mekanism:LiquidEnergy");
	
	private static final double offset = 0.015;
	
	@Override
	public void renderTileEntityAt(TileEntity tileEntity, double x, double y, double z, float partialTick)
	{
		renderAModelAt((TileEntityUniversalCable)tileEntity, x, y, z, partialTick);
	}

	public void renderAModelAt(TileEntityUniversalCable tileEntity, double x, double y, double z, float partialTick)
	{
		bindTextureByName("/mods/mekanism/render/UniversalCable.png");
		GL11.glPushMatrix();
		GL11.glTranslatef((float)x + 0.5F, (float)y + 1.5F, (float)z + 0.5F);
		GL11.glScalef(1.0F, -1F, -1F);
		
		boolean[] connectable = CableUtils.getConnections(tileEntity);
		
		for(int i = 0; i < 6; i++)
		{
			model.renderSide(ForgeDirection.getOrientation(i), connectable[i]);
		}
		
		GL11.glPopMatrix();
		
		if(Mekanism.fancyUniversalCableRender)
		{
			push();
			MekanismRenderer.glowOn();
			
			bindTextureByName("/mods/mekanism/textures/items/LiquidEnergy.png");
			GL11.glTranslatef((float)x, (float)y, (float)z);
			
			for(int i = 0; i < 6; i++)
			{
				if(connectable[i])
				{
					renderEnergy(ForgeDirection.getOrientation(i));
				}
			}
			
			renderEnergy(ForgeDirection.UNKNOWN);
			
			MekanismRenderer.glowOff();
			pop();
		}
	}
	
	private void pop()
	{
		GL11.glPopAttrib();
		GL11.glPopMatrix();
	}
	
	private void push()
	{
		GL11.glPushMatrix();
		GL11.glPushAttrib(GL11.GL_ENABLE_BIT);
		GL11.glEnable(GL11.GL_CULL_FACE);
		GL11.glEnable(GL11.GL_BLEND);
		GL11.glDisable(GL11.GL_LIGHTING);
		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
	}
	
	private void renderEnergy(ForgeDirection side)
	{
		Model3D toReturn = new Model3D();
		toReturn.baseBlock = Block.waterStill;
		toReturn.setTexture(renderIcon);
		
		switch(side)
		{
			case UNKNOWN:
			{
				toReturn.minX = 0.3 + offset;
				toReturn.minY = 0.3 + offset;
				toReturn.minZ = 0.3 + offset;
				
				toReturn.maxX = 0.7 - offset;
				toReturn.maxY = 0.7 - offset;
				toReturn.maxZ = 0.7 - offset;
				break;
			}
			case DOWN:
			{
				toReturn.minX = 0.3 + offset;
				toReturn.minY = 0.0;
				toReturn.minZ = 0.3 + offset;
				
				toReturn.maxX = 0.7 - offset;
				toReturn.maxY = 0.3 + offset;
				toReturn.maxZ = 0.7 - offset;
				break;
			}
			case UP:
			{
				toReturn.minX = 0.3 + offset;
				toReturn.minY = 0.7 - offset;
				toReturn.minZ = 0.3 + offset;
				
				toReturn.maxX = 0.7 - offset;
				toReturn.maxY = 1.0;
				toReturn.maxZ = 0.7 - offset;
				break;
			}
			case NORTH:
			{
				toReturn.minX = 0.3 + offset;
				toReturn.minY = 0.3 + offset;
				toReturn.minZ = 0.0;
				
				toReturn.maxX = 0.7 - offset;
				toReturn.maxY = 0.7 - offset;
				toReturn.maxZ = 0.3 + offset;
				break;
			}
			case SOUTH:
			{
				toReturn.minX = 0.3 + offset;
				toReturn.minY = 0.3 + offset;
				toReturn.minZ = 0.7 - offset;
				
				toReturn.maxX = 0.7 - offset;
				toReturn.maxY = 0.7 - offset;
				toReturn.maxZ = 1.0;
				break;
			}
			case WEST:
			{
				toReturn.minX = 0.0;
				toReturn.minY = 0.3 + offset;
				toReturn.minZ = 0.3 + offset;
				
				toReturn.maxX = 0.3 + offset;
				toReturn.maxY = 0.7 - offset;
				toReturn.maxZ = 0.7 - offset;
				break;
			}
			case EAST:
			{
				toReturn.minX = 0.7 - offset;
				toReturn.minY = 0.3 + offset;
				toReturn.minZ = 0.3 + offset;
				
				toReturn.maxX = 1.0;
				toReturn.maxY = 0.7 - offset;
				toReturn.maxZ = 0.7 - offset;
				break;
			}
		}
		
		MekanismRenderer.renderObject(toReturn);
	}
}