package com.hbm.particle;

import java.util.Random;

import org.lwjgl.opengl.GL11;

import com.hbm.lib.RefStrings;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.Minecraft;
import net.minecraft.client.particle.EntityFX;
import net.minecraft.client.renderer.RenderHelper;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.client.renderer.texture.TextureManager;
import net.minecraft.util.ResourceLocation;
import net.minecraft.world.World;

@SideOnly(Side.CLIENT)
public class ParticleMukeFlash extends EntityFX {

	private static final ResourceLocation texture = new ResourceLocation(RefStrings.MODID + ":textures/particle/flare.png");
	private TextureManager theRenderEngine;
	
	boolean bf;
	
	public ParticleMukeFlash(TextureManager texman, World world, double x, double y, double z, boolean bf) {
		super(world, x, y, z);
		this.theRenderEngine = texman;
		this.particleMaxAge = 20;
		this.bf = bf;
	}

	public int getFXLayer() {
		return 3;
	}
	
    public void onUpdate() {
    	super.onUpdate();
    	
    	if(this.particleAge == 15) {
    		
    		//Stem
    		for(double d = 0.0D; d <= 1.8D; d += 0.1) {
	    		ParticleMukeCloud cloud = getCloud(theRenderEngine, worldObj, posX, posY, posZ, rand.nextGaussian() * 0.05, d + rand.nextGaussian() * 0.02, rand.nextGaussian() * 0.05);
	    		Minecraft.getMinecraft().effectRenderer.addEffect(cloud);
    		}
    		
    		//Ground
    		for(int i = 0; i < 100; i++) {
	    		ParticleMukeCloud cloud = getCloud(theRenderEngine, worldObj, posX, posY + 0.5, posZ, rand.nextGaussian() * 0.5, rand.nextInt(5) == 0 ? 0.02 : 0, rand.nextGaussian() * 0.5);
	    		Minecraft.getMinecraft().effectRenderer.addEffect(cloud);
    		}
    		
    		//Mush
    		for(int i = 0; i < 75; i++) {
    			double x = rand.nextGaussian() * 0.5;
    			double z = rand.nextGaussian() * 0.5;
    			
    			if(x * x + z * z > 1.5) {
    				x *= 0.5;
    				z *= 0.5;
    			}
    			
    			double y = 1.8 + (rand.nextDouble() * 3 - 1.5) * (0.75 - (x * x + z * z)) * 0.5;
    			
	    		ParticleMukeCloud cloud = getCloud(theRenderEngine, worldObj, posX, posY, posZ, x, y + rand.nextGaussian() * 0.02, z);
	    		Minecraft.getMinecraft().effectRenderer.addEffect(cloud);
    		}
    	}
    }
    
    private ParticleMukeCloud getCloud(TextureManager texman, World world, double x, double y, double z, double mx, double my, double mz) {
    	
    	if(this.bf) {
    		return new ParticleMukeCloudBF(theRenderEngine, world, x, y, z, mx, my, mz);
    	} else {
    		return new ParticleMukeCloud(theRenderEngine, world, x, y, z, mx, my, mz);
    	}
    }

	public void renderParticle(Tessellator tess, float interp, float x, float y, float z, float tx, float tz) {
		
		this.theRenderEngine.bindTexture(texture);
		
		GL11.glColor4f(1.0F, 1.0F, 1.0F, 1.0F);
		GL11.glDisable(GL11.GL_LIGHTING);
		GL11.glEnable(GL11.GL_BLEND);
		GL11.glDepthMask(false);
		GL11.glAlphaFunc(GL11.GL_GREATER, 0);
		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
		RenderHelper.disableStandardItemLighting();
			
		tess.startDrawingQuads();
		
		tess.setNormal(0.0F, 1.0F, 0.0F);
		tess.setBrightness(240);
		
		this.particleAlpha = 1 - (((float)this.particleAge + interp) / (float)this.particleMaxAge);
		float scale = (this.particleAge + interp) * 3F + 1F;
		
		tess.setColorRGBA_F(1.0F, 0.9F, 0.75F, this.particleAlpha * 0.5F);

		float dX = (float) (this.prevPosX + (this.posX - this.prevPosX) * (double) interp - interpPosX);
		float dY = (float) (this.prevPosY + (this.posY - this.prevPosY) * (double) interp - interpPosY);
		float dZ = (float) (this.prevPosZ + (this.posZ - this.prevPosZ) * (double) interp - interpPosZ);
		
		Random rand = new Random();

		for(int i = 0; i < 24; i++) {
			
			rand.setSeed(i * 31 + 1);

			float pX = (float) (dX + rand.nextDouble() * 15 - 7.5);
			float pY = (float) (dY + rand.nextDouble() * 7.5 - 3.75);
			float pZ = (float) (dZ + rand.nextDouble() * 15 - 7.5);
			
			tess.addVertexWithUV((double) (pX - x * scale - tx * scale), (double) (pY - y * scale), (double) (pZ - z * scale - tz * scale), 1, 1);
			tess.addVertexWithUV((double) (pX - x * scale + tx * scale), (double) (pY + y * scale), (double) (pZ - z * scale + tz * scale), 1, 0);
			tess.addVertexWithUV((double) (pX + x * scale + tx * scale), (double) (pY + y * scale), (double) (pZ + z * scale + tz * scale), 0, 0);
			tess.addVertexWithUV((double) (pX + x * scale - tx * scale), (double) (pY - y * scale), (double) (pZ + z * scale - tz * scale), 0, 1);
		}
		tess.draw();
		
		GL11.glPolygonOffset(0.0F, 0.0F);
		GL11.glAlphaFunc(GL11.GL_GREATER, 0.1F);
		GL11.glEnable(GL11.GL_LIGHTING);
	}
}