/*
* Copyright (c) CovertJaguar, 2014 http://railcraft.info
*
* This code is the property of CovertJaguar
* and may only be used with explicit written
* permission unless otherwise specified on the
* license page at http://railcraft.info/wiki/info:license.
*/
package mods.railcraft.client.particles;
import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import java.util.Random;
import net.minecraft.client.particle.EntityFX;
import net.minecraft.util.Vec3;
import net.minecraft.world.World;
import mods.railcraft.common.util.effects.EffectManager.EffectSourceEntity;
import mods.railcraft.common.util.effects.EffectManager.IEffectSource;
/**
*
* @author CovertJaguar <http://www.railcraft.info>
*/
@SideOnly(Side.CLIENT)
public class EntityHeatTrailFX extends EntityFX {
private static Random colorRand = new Random();
private final IEffectSource source;
public EntityHeatTrailFX(World world, double x, double y, double z, long colorSeed, IEffectSource source) {
super(world, x, y, z, 0, 0, 0);
this.source = source;
calculateVector();
multipleParticleScaleBy(0.5f);
colorRand.setSeed(colorSeed);
this.particleRed = colorRand.nextFloat() * 0.8F + 0.2F;
this.particleGreen = colorRand.nextFloat() * 0.8F + 0.2F;
this.particleBlue = colorRand.nextFloat() * 0.8F + 0.2F;
float varient = this.rand.nextFloat() * 0.6F + 0.4F;
this.particleRed *= varient;
this.particleGreen *= varient;
this.particleBlue *= varient;
this.particleMaxAge = 2000;
this.noClip = true;
this.setParticleTextureIndex((int) (Math.random() * 8.0D));
}
private void calculateVector() {
Vec3 endPoint = Vec3.createVectorHelper(source.getX(), source.getY(), source.getZ());
Vec3 vecParticle = Vec3.createVectorHelper(posX, posY, posZ);
Vec3 vel = vecParticle.subtract(endPoint);
vel = vel.normalize();
float velScale = 0.1f;
this.motionX = vel.xCoord * velScale;
this.motionY = vel.yCoord * velScale;
this.motionZ = vel.zCoord * velScale;
}
@Override
public int getBrightnessForRender(float par1) {
int var2 = super.getBrightnessForRender(par1);
float var3 = (float) this.particleAge / (float) this.particleMaxAge;
var3 *= var3;
var3 *= var3;
int var4 = var2 & 255;
int var5 = var2 >> 16 & 255;
var5 += (int) (var3 * 15.0F * 16.0F);
if (var5 > 240) {
var5 = 240;
}
return var4 | var5 << 16;
}
/**
* Gets how bright this entity is.
*/
@Override
public float getBrightness(float par1) {
float var2 = super.getBrightness(par1);
float var3 = (float) this.particleAge / (float) this.particleMaxAge;
var3 = var3 * var3 * var3 * var3;
return var2 * (1.0F - var3) + var3;
}
/**
* 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 (source.isDead()) {
setDead();
return;
}
if (this.particleAge++ >= this.particleMaxAge) {
this.setDead();
return;
}
if (getDistanceSq(source.getX(), source.getY(), source.getZ()) <= 0.1) {
this.setDead();
return;
}
if (source instanceof EffectSourceEntity) {
calculateVector();
}
this.moveEntity(this.motionX, this.motionY, this.motionZ);
}
}