EntityWillOWispFX.java

package minestrapteam.mods.minestrappolation.client.particle;

import net.minecraft.client.particle.EntityFX;
import net.minecraft.client.particle.IParticleFactory;
import net.minecraft.client.renderer.WorldRenderer;
import net.minecraft.entity.Entity;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class EntityWillOWispFX extends EntityFX
{
	//Work in progress, but scrapped since I have no idea how to add a texture to it. If you can figure out how to fix this, that'd be ideal, since having actual purple flame particles would look a lot nicer than just using Enderman particles like we are now.

	/**
	 * the scale of the flame FX
	 */
	private float flameScale;

	protected EntityWillOWispFX(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;
		double d6 = xCoordIn + (double) ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
		d6 = yCoordIn + (double) ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
		d6 = zCoordIn + (double) ((this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F);
		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 f6 = ((float) this.particleAge + partialTicks) / (float) this.particleMaxAge;
		this.particleScale = this.flameScale * (1.0F - f6 * f6 * 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 f1 = ((float) this.particleAge + partialTicks) / (float) this.particleMaxAge;
		f1 = MathHelper.clamp_float(f1, 0.0F, 1.0F);
		int i = super.getBrightnessForRender(partialTicks);
		int j = i & 255;
		int k = i >> 16 & 255;
		j += (int) (f1 * 15.0F * 16.0F);

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

		return j | k << 16;
	}

	/**
	 * Gets how bright this entity is.
	 */
	@Override
	public float getBrightness(float partialTicks)
	{
		float f1 = ((float) this.particleAge + partialTicks) / (float) this.particleMaxAge;
		f1 = MathHelper.clamp_float(f1, 0.0F, 1.0F);
		float f2 = super.getBrightness(partialTicks);
		return f2 * f1 + (1.0F - f1);
	}

	/**
	 * 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;
		}
	}

	@SideOnly(Side.CLIENT)
	public static class Factory implements IParticleFactory
	{
		@Override
		public EntityFX getEntityFX(int particleID, World worldIn, double xCoordIn, double yCoordIn, double zCoordIn, double xSpeedIn, double ySpeedIn, double zSpeedIn, int... p_178902_15_)
		{
			return new EntityWillOWispFX(worldIn, xCoordIn, yCoordIn, zCoordIn, xSpeedIn, ySpeedIn, zSpeedIn);
		}
	}
}