package net.minecraft.client.particle;

import net.minecraft.client.renderer.WorldRenderer;
import net.minecraft.entity.Entity;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

public class EntityFlameFX extends EntityFX
{
    /** the scale of the flame FX */
    private float flameScale;

    protected EntityFlameFX(World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double xSpeedIn, double ySpeedIn, double zSpeedIn)
    {
        super(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn);
        this.motionX = this.motionX * 0.009999999776482582D + xSpeedIn;
        this.motionY = this.motionY * 0.009999999776482582D + ySpeedIn;
        this.motionZ = this.motionZ * 0.009999999776482582D + zSpeedIn;
        this.flameScale = this.particleScale;
        this.particleRed = this.particleGreen = this.particleBlue = 1.0F;
        this.particleMaxAge = (int)(8.0D / (Math.random() * 0.8D + 0.2D)) + 4;
        this.noClip = true;
        this.setParticleTextureIndex(48);
    }

    /**
     * Renders the particle
     *  
     * @param worldRendererIn The WorldRenderer instance
     */
    @Override
	public void renderParticle(WorldRenderer worldRendererIn, Entity entityIn, float partialTicks, float p_180434_4_, float p_180434_5_, float p_180434_6_, float p_180434_7_, float p_180434_8_)
    {
        float var9 = (this.particleAge + partialTicks) / this.particleMaxAge;
        this.particleScale = this.flameScale * (1.0F - var9 * var9 * 0.5F);
        super.renderParticle(worldRendererIn, entityIn, partialTicks, p_180434_4_, p_180434_5_, p_180434_6_, p_180434_7_, p_180434_8_);
    }

    @Override
	public int getBrightnessForRender(float partialTicks)
    {
        float var2 = (this.particleAge + partialTicks) / this.particleMaxAge;
        var2 = MathHelper.clamp_float(var2, 0.0F, 1.0F);
        int var3 = super.getBrightnessForRender(partialTicks);
        int var4 = var3 & 255;
        int var5 = var3 >> 16 & 255;
        var4 += (int)(var2 * 15.0F * 16.0F);

        if (var4 > 240)
        {
            var4 = 240;
        }

        return var4 | var5 << 16;
    }

    /**
     * Gets how bright this entity is.
     */
    @Override
	public float getBrightness(float partialTicks)
    {
        float var2 = (this.particleAge + partialTicks) / this.particleMaxAge;
        var2 = MathHelper.clamp_float(var2, 0.0F, 1.0F);
        float var3 = super.getBrightness(partialTicks);
        return var3 * var2 + (1.0F - var2);
    }

    /**
     * Called to update the entity's position/logic.
     */
    @Override
	public void onUpdate()
    {
        this.prevPosX = this.posX;
        this.prevPosY = this.posY;
        this.prevPosZ = this.posZ;

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

        this.moveEntity(this.motionX, this.motionY, this.motionZ);
        this.motionX *= 0.9599999785423279D;
        this.motionY *= 0.9599999785423279D;
        this.motionZ *= 0.9599999785423279D;

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

    public static class Factory implements IParticleFactory
    {

        @Override
		public EntityFX getEntityFX(int p_178902_1_, World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double xSpeedIn, double ySpeedIn, double zSpeedIn, int ... p_178902_15_)
        {
            return new EntityFlameFX(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn);
        }
    }
}
