83 lines
2.9 KiB
Java
83 lines
2.9 KiB
Java
package net.minecraft.client.particle;
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import net.fabricmc.api.EnvType;
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import net.fabricmc.api.Environment;
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import net.minecraft.client.multiplayer.ClientLevel;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.particles.SimpleParticleType;
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import net.minecraft.util.Mth;
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@Environment(EnvType.CLIENT)
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public class FireflyParticle extends TextureSheetParticle {
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private static final float PARTICLE_FADE_OUT_LIGHT_TIME = 0.3F;
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private static final float PARTICLE_FADE_IN_LIGHT_TIME = 0.1F;
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private static final float PARTICLE_FADE_OUT_ALPHA_TIME = 0.5F;
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private static final float PARTICLE_FADE_IN_ALPHA_TIME = 0.3F;
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private static final int PARTICLE_MIN_LIFETIME = 200;
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private static final int PARTICLE_MAX_LIFETIME = 300;
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FireflyParticle(ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
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super(level, x, y, z, xSpeed, ySpeed, zSpeed);
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this.speedUpWhenYMotionIsBlocked = true;
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this.friction = 0.96F;
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this.quadSize *= 0.75F;
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this.yd *= 0.8F;
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this.xd *= 0.8F;
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this.zd *= 0.8F;
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}
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@Override
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public ParticleRenderType getRenderType() {
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return ParticleRenderType.PARTICLE_SHEET_TRANSLUCENT;
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}
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@Override
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public int getLightColor(float partialTick) {
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return (int)(255.0F * getFadeAmount(this.getLifetimeProgress(this.age + partialTick), 0.1F, 0.3F));
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}
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@Override
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public void tick() {
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super.tick();
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if (!this.level.getBlockState(BlockPos.containing(this.x, this.y, this.z)).isAir()) {
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this.remove();
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} else {
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this.setAlpha(getFadeAmount(this.getLifetimeProgress(this.age), 0.3F, 0.5F));
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if (Math.random() > 0.95 || this.age == 1) {
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this.setParticleSpeed(-0.05F + 0.1F * Math.random(), -0.05F + 0.1F * Math.random(), -0.05F + 0.1F * Math.random());
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}
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}
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}
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private float getLifetimeProgress(float age) {
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return Mth.clamp(age / this.lifetime, 0.0F, 1.0F);
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}
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private static float getFadeAmount(float lifetimeProgress, float fadeIn, float fadeOut) {
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if (lifetimeProgress >= 1.0F - fadeIn) {
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return (1.0F - lifetimeProgress) / fadeIn;
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} else {
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return lifetimeProgress <= fadeOut ? lifetimeProgress / fadeOut : 1.0F;
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}
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}
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@Environment(EnvType.CLIENT)
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public static class FireflyProvider implements ParticleProvider<SimpleParticleType> {
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private final SpriteSet sprite;
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public FireflyProvider(SpriteSet sprite) {
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this.sprite = sprite;
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}
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public Particle createParticle(SimpleParticleType type, ClientLevel level, double x, double y, double z, double xSpeed, double ySpeed, double zSpeed) {
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FireflyParticle fireflyParticle = new FireflyParticle(
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level, x, y, z, 0.5 - level.random.nextDouble(), level.random.nextBoolean() ? ySpeed : -ySpeed, 0.5 - level.random.nextDouble()
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);
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fireflyParticle.setLifetime(level.random.nextIntBetweenInclusive(200, 300));
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fireflyParticle.scale(1.5F);
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fireflyParticle.pickSprite(this.sprite);
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fireflyParticle.setAlpha(0.0F);
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return fireflyParticle;
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}
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}
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}
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