ActuallyAdditions/src/main/java/de/ellpeck/actuallyadditions/mod/particle/ParticleBeam.java

/*
 * This file ("ParticleBeam.java") is part of the Actually Additions mod for Minecraft.
 * It is created and owned by Ellpeck and distributed
 * under the Actually Additions License to be found at
 * http://ellpeck.de/actaddlicense
 * View the source code at https://github.com/Ellpeck/ActuallyAdditions
 *
 * © 2015-2017 Ellpeck
 */

package de.ellpeck.actuallyadditions.mod.particle;

import de.ellpeck.actuallyadditions.mod.util.AssetUtil;
import net.minecraft.client.particle.Particle;
import net.minecraft.client.renderer.VertexBuffer;
import net.minecraft.entity.Entity;
import net.minecraft.world.World;
import net.minecraftforge.fml.relauncher.Side;
import net.minecraftforge.fml.relauncher.SideOnly;

@SideOnly(Side.CLIENT)
public class ParticleBeam extends Particle{

    private final double endX;
    private final double endY;
    private final double endZ;
    private final float[] color;
    private final double rotationTime;
    private final float size;
    private final float alpha;

    public ParticleBeam(World world, double startX, double startY, double startZ, double endX, double endY, double endZ, float[] color, int maxAge, double rotationTime, float size, float alpha){
        super(world, startX, startY, startZ);
        this.endX = endX;
        this.endY = endY;
        this.endZ = endZ;
        this.color = color;
        this.rotationTime = rotationTime;
        this.size = size;
        this.particleMaxAge = maxAge;
        this.alpha = alpha;
    }

    @Override
    public void renderParticle(VertexBuffer buffer, Entity entityIn, float partialTicks, float rotationX, float rotationZ, float rotationYZ, float rotationXY, float rotationXZ){
        float ageRatio = (float)this.particleAge/(float)this.particleMaxAge;
        float currAlpha = this.alpha-ageRatio*this.alpha;
        AssetUtil.renderLaser(this.posX+0.5, this.posY+0.5, this.posZ+0.5, this.endX+0.5, this.endY+0.5, this.endZ+0.5, this.rotationTime, currAlpha, this.size, this.color);
    }

    @Override
    public int getFXLayer(){
        return 3;
    }
}