Code/net/minecraft/client/particle/PlayerCloudParticle.java

package net.minecraft.client.particle;

import net.minecraft.client.multiplayer.ClientLevel;
import net.minecraft.core.particles.SimpleParticleType;
import net.minecraft.util.Mth;
import net.minecraft.world.entity.player.Player;
import net.minecraftforge.api.distmarker.Dist;
import net.minecraftforge.api.distmarker.OnlyIn;

@OnlyIn(Dist.CLIENT)
public class PlayerCloudParticle extends TextureSheetParticle {
    private final SpriteSet sprites;

    PlayerCloudParticle(
        ClientLevel p_107483_, double p_107484_, double p_107485_, double p_107486_, double p_107487_, double p_107488_, double p_107489_, SpriteSet p_107490_
    ) {
        super(p_107483_, p_107484_, p_107485_, p_107486_, 0.0, 0.0, 0.0);
        this.friction = 0.96F;
        this.sprites = p_107490_;
        float f = 2.5F;
        this.xd *= 0.1F;
        this.yd *= 0.1F;
        this.zd *= 0.1F;
        this.xd += p_107487_;
        this.yd += p_107488_;
        this.zd += p_107489_;
        float f1 = 1.0F - (float)(Math.random() * 0.3F);
        this.rCol = f1;
        this.gCol = f1;
        this.bCol = f1;
        this.quadSize *= 1.875F;
        int i = (int)(8.0 / (Math.random() * 0.8 + 0.3));
        this.lifetime = (int)Math.max(i * 2.5F, 1.0F);
        this.hasPhysics = false;
        this.setSpriteFromAge(p_107490_);
    }

    @Override
    public ParticleRenderType getRenderType() {
        return ParticleRenderType.PARTICLE_SHEET_TRANSLUCENT;
    }

    @Override
    public float getQuadSize(float p_107504_) {
        return this.quadSize * Mth.clamp((this.age + p_107504_) / this.lifetime * 32.0F, 0.0F, 1.0F);
    }

    @Override
    public void tick() {
        super.tick();
        if (!this.removed) {
            this.setSpriteFromAge(this.sprites);
            Player player = this.level.getNearestPlayer(this.x, this.y, this.z, 2.0, false);
            if (player != null) {
                double d0 = player.getY();
                if (this.y > d0) {
                    this.y = this.y + (d0 - this.y) * 0.2;
                    this.yd = this.yd + (player.getDeltaMovement().y - this.yd) * 0.2;
                    this.setPos(this.x, this.y, this.z);
                }
            }
        }
    }

    @OnlyIn(Dist.CLIENT)
    public static class Provider implements ParticleProvider<SimpleParticleType> {
        private final SpriteSet sprites;

        public Provider(SpriteSet p_107507_) {
            this.sprites = p_107507_;
        }

        public Particle createParticle(
            SimpleParticleType p_107518_,
            ClientLevel p_107519_,
            double p_107520_,
            double p_107521_,
            double p_107522_,
            double p_107523_,
            double p_107524_,
            double p_107525_
        ) {
            return new PlayerCloudParticle(p_107519_, p_107520_, p_107521_, p_107522_, p_107523_, p_107524_, p_107525_, this.sprites);
        }
    }

    @OnlyIn(Dist.CLIENT)
    public static class SneezeProvider implements ParticleProvider<SimpleParticleType> {
        private final SpriteSet sprites;

        public SneezeProvider(SpriteSet p_107528_) {
            this.sprites = p_107528_;
        }

        public Particle createParticle(
            SimpleParticleType p_107539_,
            ClientLevel p_107540_,
            double p_107541_,
            double p_107542_,
            double p_107543_,
            double p_107544_,
            double p_107545_,
            double p_107546_
        ) {
            Particle particle = new PlayerCloudParticle(p_107540_, p_107541_, p_107542_, p_107543_, p_107544_, p_107545_, p_107546_, this.sprites);
            particle.setColor(200.0F, 50.0F, 120.0F);
            particle.setAlpha(0.4F);
            return particle;
        }
    }
}