package com.hbm.render.tileentity;

import org.lwjgl.opengl.GL11;

import com.hbm.blocks.ModBlocks;
import com.hbm.lib.RefStrings;

import net.minecraft.block.Block;
import net.minecraft.client.renderer.OpenGlHelper;
import net.minecraft.client.renderer.RenderBlocks;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.tileentity.TileEntitySpecialRenderer;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.IIcon;
import net.minecraft.util.ResourceLocation;

public class RenderMultiblock extends TileEntitySpecialRenderer {
	
	float pixel = 1F/16F;

	@Override
	public void renderTileEntityAt(TileEntity te, double x, double y, double z, float f) {

		GL11.glPushMatrix();
		
		GL11.glTranslatef((float)x + 1, (float)y + 1, (float)z);

		GL11.glEnable(GL11.GL_BLEND);
		GL11.glEnable(GL11.GL_CULL_FACE);
        OpenGlHelper.glBlendFunc(770, 771, 1, 0);
        GL11.glColor4f(1.0F, 1.0F, 1.0F, 0.75F);
        GL11.glDisable(GL11.GL_ALPHA_TEST);
		
        Block b = te.getBlockType();
        
        if(b == ModBlocks.struct_launcher_core)
        	renderCompactLauncher();
        
        if(b == ModBlocks.struct_launcher_core_large)
        	renderLaunchTable();

		GL11.glDisable(GL11.GL_BLEND);
        GL11.glEnable(GL11.GL_ALPHA_TEST);
		
		GL11.glPopMatrix();
	}
	
	private void renderCompactLauncher() {
		
		RenderBlocks rb = RenderBlocks.getInstance();
        
        IIcon icon = rb.getBlockIconFromSide(ModBlocks.struct_launcher, 1);
        
		ResourceLocation loc = new ResourceLocation(RefStrings.MODID + ":textures/blocks/" + icon.getIconName().substring(4, icon.getIconName().length()) + ".png");
		
		for(int i = -1; i <= 1; i++)
			for(int j = -1; j <= 1; j++)
				if(i != 0 || j != 0)
					renderSmolBlockAt(loc, i, 0, j);
	}
	
	private void renderLaunchTable() {
		
		RenderBlocks rb = RenderBlocks.getInstance();
        
        IIcon icon = rb.getBlockIconFromSide(ModBlocks.struct_launcher, 1);
		ResourceLocation loc = new ResourceLocation(RefStrings.MODID + ":textures/blocks/" + icon.getIconName().substring(4, icon.getIconName().length()) + ".png");
		
		for(int i = -4; i <= 4; i++)
			for(int j = -4; j <= 4; j++)
				if(i != 0 || j != 0)
					renderSmolBlockAt(loc, i, 0, j);
        
        icon = rb.getBlockIconFromSide(ModBlocks.struct_scaffold, 1);
		loc = new ResourceLocation(RefStrings.MODID + ":textures/blocks/" + icon.getIconName().substring(4, icon.getIconName().length()) + ".png");
		
		switch((int)(System.currentTimeMillis() % 4000 / 1000)) {
		case 0:
			for(int k = 1; k < 12; k++)
				renderSmolBlockAt(loc, 3, k, 0);
			break;
			
		case 1:
			for(int k = 1; k < 12; k++)
				renderSmolBlockAt(loc, 0, k, 3);
			break;
			
		case 2:
			for(int k = 1; k < 12; k++)
				renderSmolBlockAt(loc, -3, k, 0);
			break;
			
		case 3:
			for(int k = 1; k < 12; k++)
				renderSmolBlockAt(loc, 0, k, -3);
			break;
		}
	}
	
	public void renderSmolBlockAt(ResourceLocation loc, int x, int y, int z) {
		GL11.glPushMatrix();
		GL11.glTranslatef(x, y, z);
		GL11.glRotatef(180, 0F, 0F, 1F);
		
		Tessellator tesseract = Tessellator.instance;
		tesseract.startDrawingQuads();
			this.bindTexture(loc);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2, 1 - 11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2,  1 - 11 * pixel / 2, 1, 1);
			tesseract.draw();

			tesseract.startDrawingQuads();
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2, 1 - 11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2,  11 * pixel / 2, 1, 1);
			tesseract.draw();

			tesseract.startDrawingQuads();
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2,  11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2, 11 * pixel / 2, 1, 1);
			tesseract.draw();

			tesseract.startDrawingQuads();
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2,  11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2, 1 - 11 * pixel / 2, 1, 1);
			tesseract.draw();

			tesseract.startDrawingQuads();
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2, 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(11 * pixel / 2, 1 - 11 * pixel / 2,  1 - 11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1 - 11 * pixel / 2, 1, 1);
			tesseract.draw();

			tesseract.startDrawingQuads();
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2, 11 * pixel / 2, 1, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2, 11 * pixel / 2, 0, 0);
			tesseract.addVertexWithUV(1 - 11 * pixel / 2, 11 * pixel / 2, 1 - 11 * pixel / 2, 0, 1);
			tesseract.addVertexWithUV(11 * pixel / 2, 11 * pixel / 2,  1 - 11 * pixel / 2, 1, 1);
		tesseract.draw();
		GL11.glPopMatrix();
		
	}

}