minecraft-src/net/minecraft/client/particle/GlowParticle.java

package net.minecraft.client.particle;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.multiplayer.ClientLevel;
import net.minecraft.core.particles.SimpleParticleType;
import net.minecraft.util.Mth;
import net.minecraft.util.RandomSource;

@Environment(EnvType.CLIENT)
public class GlowParticle extends TextureSheetParticle {
	static final RandomSource RANDOM = RandomSource.create();
	private final SpriteSet sprites;

	GlowParticle(ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed, SpriteSet sprites) {
		super(level, x, y, z, xSpeed, ySpeed, zSpeed);
		this.friction = 0.96F;
		this.speedUpWhenYMotionIsBlocked = true;
		this.sprites = sprites;
		this.quadSize *= 0.75F;
		this.hasPhysics = false;
		this.setSpriteFromAge(sprites);
	}

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

	@Override
	public int getLightColor(float partialTick) {
		float f = (this.age + partialTick) / this.lifetime;
		f = Mth.clamp(f, 0.0F, 1.0F);
		int i = super.getLightColor(partialTick);
		int j = i & 0xFF;
		int k = i >> 16 & 0xFF;
		j += (int)(f * 15.0F * 16.0F);
		if (j > 240) {
			j = 240;
		}

		return j | k << 16;
	}

	@Override
	public void tick() {
		super.tick();
		this.setSpriteFromAge(this.sprites);
	}

	@Environment(EnvType.CLIENT)
	public static class ElectricSparkProvider implements ParticleProvider<SimpleParticleType> {
		private final double SPEED_FACTOR = 0.25;
		private final SpriteSet sprite;

		public ElectricSparkProvider(SpriteSet sprites) {
			this.sprite = sprites;
		}

		public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			GlowParticle glowParticle = new GlowParticle(level, x, y, z, 0.0, 0.0, 0.0, this.sprite);
			glowParticle.setColor(1.0F, 0.9F, 1.0F);
			glowParticle.setParticleSpeed(xSpeed * 0.25, ySpeed * 0.25, zSpeed * 0.25);
			int i = 2;
			int j = 4;
			glowParticle.setLifetime(level.random.nextInt(2) + 2);
			return glowParticle;
		}
	}

	@Environment(EnvType.CLIENT)
	public static class GlowSquidProvider implements ParticleProvider<SimpleParticleType> {
		private final SpriteSet sprite;

		public GlowSquidProvider(SpriteSet sprites) {
			this.sprite = sprites;
		}

		public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			GlowParticle glowParticle = new GlowParticle(
				level, x, y, z, 0.5 - GlowParticle.RANDOM.nextDouble(), ySpeed, 0.5 - GlowParticle.RANDOM.nextDouble(), this.sprite
			);
			if (level.random.nextBoolean()) {
				glowParticle.setColor(0.6F, 1.0F, 0.8F);
			} else {
				glowParticle.setColor(0.08F, 0.4F, 0.4F);
			}

			glowParticle.yd *= 0.2F;
			if (xSpeed == 0.0 && zSpeed == 0.0) {
				glowParticle.xd *= 0.1F;
				glowParticle.zd *= 0.1F;
			}

			glowParticle.setLifetime((int)(8.0 / (level.random.nextDouble() * 0.8 + 0.2)));
			return glowParticle;
		}
	}

	@Environment(EnvType.CLIENT)
	public static class ScrapeProvider implements ParticleProvider<SimpleParticleType> {
		private final double SPEED_FACTOR = 0.01;
		private final SpriteSet sprite;

		public ScrapeProvider(SpriteSet sprites) {
			this.sprite = sprites;
		}

		public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			GlowParticle glowParticle = new GlowParticle(level, x, y, z, 0.0, 0.0, 0.0, this.sprite);
			if (level.random.nextBoolean()) {
				glowParticle.setColor(0.29F, 0.58F, 0.51F);
			} else {
				glowParticle.setColor(0.43F, 0.77F, 0.62F);
			}

			glowParticle.setParticleSpeed(xSpeed * 0.01, ySpeed * 0.01, zSpeed * 0.01);
			int i = 10;
			int j = 40;
			glowParticle.setLifetime(level.random.nextInt(30) + 10);
			return glowParticle;
		}
	}

	@Environment(EnvType.CLIENT)
	public static class WaxOffProvider implements ParticleProvider<SimpleParticleType> {
		private final double SPEED_FACTOR = 0.01;
		private final SpriteSet sprite;

		public WaxOffProvider(SpriteSet sprites) {
			this.sprite = sprites;
		}

		public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			GlowParticle glowParticle = new GlowParticle(level, x, y, z, 0.0, 0.0, 0.0, this.sprite);
			glowParticle.setColor(1.0F, 0.9F, 1.0F);
			glowParticle.setParticleSpeed(xSpeed * 0.01 / 2.0, ySpeed * 0.01, zSpeed * 0.01 / 2.0);
			int i = 10;
			int j = 40;
			glowParticle.setLifetime(level.random.nextInt(30) + 10);
			return glowParticle;
		}
	}

	@Environment(EnvType.CLIENT)
	public static class WaxOnProvider implements ParticleProvider<SimpleParticleType> {
		private final double SPEED_FACTOR = 0.01;
		private final SpriteSet sprite;

		public WaxOnProvider(SpriteSet sprites) {
			this.sprite = sprites;
		}

		public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
			GlowParticle glowParticle = new GlowParticle(level, x, y, z, 0.0, 0.0, 0.0, this.sprite);
			glowParticle.setColor(0.91F, 0.55F, 0.08F);
			glowParticle.setParticleSpeed(xSpeed * 0.01 / 2.0, ySpeed * 0.01, zSpeed * 0.01 / 2.0);
			int i = 10;
			int j = 40;
			glowParticle.setLifetime(level.random.nextInt(30) + 10);
			return glowParticle;
		}
	}
}