package biomesoplenty.particles;

import net.minecraft.block.Block;
import net.minecraft.block.material.Material;
import net.minecraft.client.particle.EntityFX;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.Direction;
import net.minecraft.util.MathHelper;
import net.minecraft.util.ResourceLocation;
import net.minecraft.world.World;

import org.lwjgl.opengl.GL11;

import cpw.mods.fml.client.FMLClientHandler;

public class EntityMagicTreeFX extends EntityFX
{
    private static final String texture = "biomesoplenty:textures/particles/magictree.png";

    float magicTreeParticleScale;

    public EntityMagicTreeFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    {
        this(par1World, par2, par4, par6, par8, par10, par12, 1.0F);
    }

    public EntityMagicTreeFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, float par14)
    {
        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
        this.motionX *= 0.10000000149011612D;
        this.motionY *= 0.10000000149011612D;
        this.motionZ *= 0.10000000149011612D;
        this.motionX += par8;
        this.motionY += par10;
        this.motionZ += par12;
        this.particleScale *= 0.75F;
        this.particleScale *= par14;
        this.magicTreeParticleScale = this.particleScale;
        this.particleMaxAge = (int)((8.0D / (Math.random() * 0.8D + 0.2D)) * 64);
        this.particleMaxAge = (int)((float)this.particleMaxAge * par14);
        this.particleAge = (particleMaxAge / 16) + (int)((particleMaxAge / 16) * par1World.rand.nextInt(7));
        this.noClip = false;
    }

    @Override
    public void renderParticle(Tessellator tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    {
        float f = (particleAge + par2) / particleMaxAge * 32.0F;

        if (f < 0.0F)
        {
            f = 0.0F;
        }

        if (f > 1.0F)
        {
            f = 1.0F;
        }

        particleScale = particleScale * f;

        tessellator.draw();
        GL11.glPushMatrix();

        GL11.glDepthMask(false);
        GL11.glEnable(GL11.GL_BLEND);
        GL11.glBlendFunc(770, 1);

        FMLClientHandler.instance().getClient().renderEngine.bindTexture(new ResourceLocation(texture));

        float f6 = (float)this.particleTextureIndexX / 16.0F;
        float f7 = f6 + 0.0624375F;
        float f8 = (float)this.particleTextureIndexY / 16.0F;
        float f9 = f8 + 0.0624375F;
        float f10 = 0.1F * this.particleScale;

        if (this.particleIcon != null)
        {
            f6 = this.particleIcon.getMinU();
            f7 = this.particleIcon.getMaxU();
            f8 = this.particleIcon.getMinV();
            f9 = this.particleIcon.getMaxV();
        }

        float f11 = (float)(this.prevPosX + (this.posX - this.prevPosX) * (double)par2 - interpPosX);
        float f12 = (float)(this.prevPosY + (this.posY - this.prevPosY) * (double)par2 - interpPosY);
        float f13 = (float)(this.prevPosZ + (this.posZ - this.prevPosZ) * (double)par2 - interpPosZ);

        tessellator.startDrawingQuads();
        tessellator.setBrightness(150);

        tessellator.setColorRGBA_F(this.particleRed, this.particleGreen, this.particleBlue, 1.0F);
        tessellator.addVertexWithUV((double)(f11 - par3 * f10 - par6 * f10), (double)(f12 - par4 * f10), (double)(f13 - par5 * f10 - par7 * f10), (double)f7, (double)f9);
        tessellator.addVertexWithUV((double)(f11 - par3 * f10 + par6 * f10), (double)(f12 + par4 * f10), (double)(f13 - par5 * f10 + par7 * f10), (double)f7, (double)f8);
        tessellator.addVertexWithUV((double)(f11 + par3 * f10 + par6 * f10), (double)(f12 + par4 * f10), (double)(f13 + par5 * f10 + par7 * f10), (double)f6, (double)f8);
        tessellator.addVertexWithUV((double)(f11 + par3 * f10 - par6 * f10), (double)(f12 - par4 * f10), (double)(f13 + par5 * f10 - par7 * f10), (double)f6, (double)f9);

        tessellator.draw();

        GL11.glDisable(GL11.GL_BLEND);
        GL11.glDepthMask(true);

        GL11.glPopMatrix();

        FMLClientHandler.instance().getClient().renderEngine.bindTexture(new ResourceLocation("textures/particle/particles.png"));
        tessellator.startDrawingQuads();
    }

    @Override
    public void onUpdate()
    {
        prevPosX = posX;
        prevPosY = posY;
        prevPosZ = posZ;

        if (particleAge++ >= particleMaxAge)
        {
            this.setDead();
        }

        this.setParticleTextureIndex(7 - particleAge * 8 / particleMaxAge);
        motionY -= 0.0004D;
        this.moveEntity(motionX, motionY, motionZ);

        if (posY == prevPosY)
        {
            motionX *= 1.1D;
            motionZ *= 1.1D;
        }

        motionX *= 0.9599999785423279D;
        motionY *= 0.9599999785423279D;
        motionZ *= 0.9599999785423279D;

        if (onGround)
        {
            motionX *= 0.699999988079071D;
            motionZ *= 0.699999988079071D;
        }
    }
}