minecraft-src/net/minecraft/world/effect/MobEffectInstance.java
2025-07-04 03:45:38 +03:00

450 lines
14 KiB
Java

package net.minecraft.world.effect;
import com.google.common.collect.ComparisonChain;
import com.mojang.logging.LogUtils;
import com.mojang.serialization.Codec;
import com.mojang.serialization.MapCodec;
import com.mojang.serialization.codecs.RecordCodecBuilder;
import io.netty.buffer.ByteBuf;
import it.unimi.dsi.fastutil.ints.Int2IntFunction;
import java.util.Optional;
import net.minecraft.core.Holder;
import net.minecraft.core.particles.ParticleOptions;
import net.minecraft.network.RegistryFriendlyByteBuf;
import net.minecraft.network.codec.ByteBufCodecs;
import net.minecraft.network.codec.StreamCodec;
import net.minecraft.server.level.ServerLevel;
import net.minecraft.util.ExtraCodecs;
import net.minecraft.util.Mth;
import net.minecraft.world.damagesource.DamageSource;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.LivingEntity;
import org.jetbrains.annotations.Nullable;
import org.slf4j.Logger;
public class MobEffectInstance implements Comparable<MobEffectInstance> {
private static final Logger LOGGER = LogUtils.getLogger();
public static final int INFINITE_DURATION = -1;
public static final int MIN_AMPLIFIER = 0;
public static final int MAX_AMPLIFIER = 255;
public static final Codec<MobEffectInstance> CODEC = RecordCodecBuilder.create(
instance -> instance.group(
MobEffect.CODEC.fieldOf("id").forGetter(MobEffectInstance::getEffect), MobEffectInstance.Details.MAP_CODEC.forGetter(MobEffectInstance::asDetails)
)
.apply(instance, MobEffectInstance::new)
);
public static final StreamCodec<RegistryFriendlyByteBuf, MobEffectInstance> STREAM_CODEC = StreamCodec.composite(
MobEffect.STREAM_CODEC, MobEffectInstance::getEffect, MobEffectInstance.Details.STREAM_CODEC, MobEffectInstance::asDetails, MobEffectInstance::new
);
private final Holder<MobEffect> effect;
private int duration;
private int amplifier;
private boolean ambient;
private boolean visible;
private boolean showIcon;
/**
* A hidden effect which is not shown to the player.
*/
@Nullable
private MobEffectInstance hiddenEffect;
private final MobEffectInstance.BlendState blendState = new MobEffectInstance.BlendState();
public MobEffectInstance(Holder<MobEffect> effect) {
this(effect, 0, 0);
}
public MobEffectInstance(Holder<MobEffect> effect, int duration) {
this(effect, duration, 0);
}
public MobEffectInstance(Holder<MobEffect> effect, int duration, int amplifier) {
this(effect, duration, amplifier, false, true);
}
public MobEffectInstance(Holder<MobEffect> effect, int duration, int amplifier, boolean ambient, boolean visible) {
this(effect, duration, amplifier, ambient, visible, visible);
}
public MobEffectInstance(Holder<MobEffect> effect, int duration, int amplifier, boolean ambient, boolean visible, boolean showIcon) {
this(effect, duration, amplifier, ambient, visible, showIcon, null);
}
public MobEffectInstance(
Holder<MobEffect> effect, int duration, int amplifier, boolean ambient, boolean visible, boolean showIcon, @Nullable MobEffectInstance hiddenEffect
) {
this.effect = effect;
this.duration = duration;
this.amplifier = Mth.clamp(amplifier, 0, 255);
this.ambient = ambient;
this.visible = visible;
this.showIcon = showIcon;
this.hiddenEffect = hiddenEffect;
}
public MobEffectInstance(MobEffectInstance other) {
this.effect = other.effect;
this.setDetailsFrom(other);
}
private MobEffectInstance(Holder<MobEffect> effect, MobEffectInstance.Details details) {
this(
effect,
details.duration(),
details.amplifier(),
details.ambient(),
details.showParticles(),
details.showIcon(),
(MobEffectInstance)details.hiddenEffect().map(detailsx -> new MobEffectInstance(effect, detailsx)).orElse(null)
);
}
private MobEffectInstance.Details asDetails() {
return new MobEffectInstance.Details(
this.getAmplifier(),
this.getDuration(),
this.isAmbient(),
this.isVisible(),
this.showIcon(),
Optional.ofNullable(this.hiddenEffect).map(MobEffectInstance::asDetails)
);
}
public float getBlendFactor(LivingEntity entity, float delta) {
return this.blendState.getFactor(entity, delta);
}
public ParticleOptions getParticleOptions() {
return this.effect.value().createParticleOptions(this);
}
void setDetailsFrom(MobEffectInstance effectInstance) {
this.duration = effectInstance.duration;
this.amplifier = effectInstance.amplifier;
this.ambient = effectInstance.ambient;
this.visible = effectInstance.visible;
this.showIcon = effectInstance.showIcon;
}
public boolean update(MobEffectInstance other) {
if (!this.effect.equals(other.effect)) {
LOGGER.warn("This method should only be called for matching effects!");
}
boolean bl = false;
if (other.amplifier > this.amplifier) {
if (other.isShorterDurationThan(this)) {
MobEffectInstance mobEffectInstance = this.hiddenEffect;
this.hiddenEffect = new MobEffectInstance(this);
this.hiddenEffect.hiddenEffect = mobEffectInstance;
}
this.amplifier = other.amplifier;
this.duration = other.duration;
bl = true;
} else if (this.isShorterDurationThan(other)) {
if (other.amplifier == this.amplifier) {
this.duration = other.duration;
bl = true;
} else if (this.hiddenEffect == null) {
this.hiddenEffect = new MobEffectInstance(other);
} else {
this.hiddenEffect.update(other);
}
}
if (!other.ambient && this.ambient || bl) {
this.ambient = other.ambient;
bl = true;
}
if (other.visible != this.visible) {
this.visible = other.visible;
bl = true;
}
if (other.showIcon != this.showIcon) {
this.showIcon = other.showIcon;
bl = true;
}
return bl;
}
private boolean isShorterDurationThan(MobEffectInstance other) {
return !this.isInfiniteDuration() && (this.duration < other.duration || other.isInfiniteDuration());
}
public boolean isInfiniteDuration() {
return this.duration == -1;
}
public boolean endsWithin(int duration) {
return !this.isInfiniteDuration() && this.duration <= duration;
}
public MobEffectInstance withScaledDuration(float scale) {
MobEffectInstance mobEffectInstance = new MobEffectInstance(this);
mobEffectInstance.duration = mobEffectInstance.mapDuration(i -> Math.max(Mth.floor(i * scale), 1));
return mobEffectInstance;
}
public int mapDuration(Int2IntFunction mapper) {
return !this.isInfiniteDuration() && this.duration != 0 ? mapper.applyAsInt(this.duration) : this.duration;
}
public Holder<MobEffect> getEffect() {
return this.effect;
}
public int getDuration() {
return this.duration;
}
public int getAmplifier() {
return this.amplifier;
}
/**
* Gets whether this potion effect originated from a beacon
*/
public boolean isAmbient() {
return this.ambient;
}
/**
* Gets whether this potion effect will show ambient particles or not.
*/
public boolean isVisible() {
return this.visible;
}
public boolean showIcon() {
return this.showIcon;
}
public boolean tickServer(ServerLevel level, LivingEntity entity, Runnable onEffectUpdated) {
if (!this.hasRemainingDuration()) {
return false;
} else {
int i = this.isInfiniteDuration() ? entity.tickCount : this.duration;
if (this.effect.value().shouldApplyEffectTickThisTick(i, this.amplifier) && !this.effect.value().applyEffectTick(level, entity, this.amplifier)) {
return false;
} else {
this.tickDownDuration();
if (this.downgradeToHiddenEffect()) {
onEffectUpdated.run();
}
return this.hasRemainingDuration();
}
}
}
public void tickClient() {
if (this.hasRemainingDuration()) {
this.tickDownDuration();
this.downgradeToHiddenEffect();
}
this.blendState.tick(this);
}
private boolean hasRemainingDuration() {
return this.isInfiniteDuration() || this.duration > 0;
}
private void tickDownDuration() {
if (this.hiddenEffect != null) {
this.hiddenEffect.tickDownDuration();
}
this.duration = this.mapDuration(i -> i - 1);
}
private boolean downgradeToHiddenEffect() {
if (this.duration == 0 && this.hiddenEffect != null) {
this.setDetailsFrom(this.hiddenEffect);
this.hiddenEffect = this.hiddenEffect.hiddenEffect;
return true;
} else {
return false;
}
}
public void onEffectStarted(LivingEntity entity) {
this.effect.value().onEffectStarted(entity, this.amplifier);
}
public void onMobRemoved(ServerLevel level, LivingEntity entity, Entity.RemovalReason reason) {
this.effect.value().onMobRemoved(level, entity, this.amplifier, reason);
}
public void onMobHurt(ServerLevel level, LivingEntity entity, DamageSource damageSource, float amount) {
this.effect.value().onMobHurt(level, entity, this.amplifier, damageSource, amount);
}
public String getDescriptionId() {
return this.effect.value().getDescriptionId();
}
public String toString() {
String string;
if (this.amplifier > 0) {
string = this.getDescriptionId() + " x " + (this.amplifier + 1) + ", Duration: " + this.describeDuration();
} else {
string = this.getDescriptionId() + ", Duration: " + this.describeDuration();
}
if (!this.visible) {
string = string + ", Particles: false";
}
if (!this.showIcon) {
string = string + ", Show Icon: false";
}
return string;
}
private String describeDuration() {
return this.isInfiniteDuration() ? "infinite" : Integer.toString(this.duration);
}
public boolean equals(Object object) {
if (this == object) {
return true;
} else {
return !(object instanceof MobEffectInstance mobEffectInstance)
? false
: this.duration == mobEffectInstance.duration
&& this.amplifier == mobEffectInstance.amplifier
&& this.ambient == mobEffectInstance.ambient
&& this.visible == mobEffectInstance.visible
&& this.showIcon == mobEffectInstance.showIcon
&& this.effect.equals(mobEffectInstance.effect);
}
}
public int hashCode() {
int i = this.effect.hashCode();
i = 31 * i + this.duration;
i = 31 * i + this.amplifier;
i = 31 * i + (this.ambient ? 1 : 0);
i = 31 * i + (this.visible ? 1 : 0);
return 31 * i + (this.showIcon ? 1 : 0);
}
public int compareTo(MobEffectInstance other) {
int i = 32147;
return (this.getDuration() <= 32147 || other.getDuration() <= 32147) && (!this.isAmbient() || !other.isAmbient())
? ComparisonChain.start()
.compareFalseFirst(this.isAmbient(), other.isAmbient())
.compareFalseFirst(this.isInfiniteDuration(), other.isInfiniteDuration())
.compare(this.getDuration(), other.getDuration())
.compare(this.getEffect().value().getColor(), other.getEffect().value().getColor())
.result()
: ComparisonChain.start()
.compare(this.isAmbient(), other.isAmbient())
.compare(this.getEffect().value().getColor(), other.getEffect().value().getColor())
.result();
}
public void onEffectAdded(LivingEntity livingEntity) {
this.effect.value().onEffectAdded(livingEntity, this.amplifier);
}
public boolean is(Holder<MobEffect> effect) {
return this.effect.equals(effect);
}
public void copyBlendState(MobEffectInstance effectInstance) {
this.blendState.copyFrom(effectInstance.blendState);
}
public void skipBlending() {
this.blendState.setImmediate(this);
}
static class BlendState {
private float factor;
private float factorPreviousFrame;
public void setImmediate(MobEffectInstance effectInstance) {
this.factor = hasEffect(effectInstance) ? 1.0F : 0.0F;
this.factorPreviousFrame = this.factor;
}
public void copyFrom(MobEffectInstance.BlendState blendState) {
this.factor = blendState.factor;
this.factorPreviousFrame = blendState.factorPreviousFrame;
}
public void tick(MobEffectInstance effect) {
this.factorPreviousFrame = this.factor;
boolean bl = hasEffect(effect);
float f = bl ? 1.0F : 0.0F;
if (this.factor != f) {
MobEffect mobEffect = effect.getEffect().value();
int i = bl ? mobEffect.getBlendInDurationTicks() : mobEffect.getBlendOutDurationTicks();
if (i == 0) {
this.factor = f;
} else {
float g = 1.0F / i;
this.factor = this.factor + Mth.clamp(f - this.factor, -g, g);
}
}
}
private static boolean hasEffect(MobEffectInstance effect) {
return !effect.endsWithin(effect.getEffect().value().getBlendOutAdvanceTicks());
}
public float getFactor(LivingEntity entity, float delta) {
if (entity.isRemoved()) {
this.factorPreviousFrame = this.factor;
}
return Mth.lerp(delta, this.factorPreviousFrame, this.factor);
}
}
record Details(int amplifier, int duration, boolean ambient, boolean showParticles, boolean showIcon, Optional<MobEffectInstance.Details> hiddenEffect) {
public static final MapCodec<MobEffectInstance.Details> MAP_CODEC = MapCodec.recursive(
"MobEffectInstance.Details",
codec -> RecordCodecBuilder.mapCodec(
instance -> instance.group(
ExtraCodecs.UNSIGNED_BYTE.optionalFieldOf("amplifier", 0).forGetter(MobEffectInstance.Details::amplifier),
Codec.INT.optionalFieldOf("duration", 0).forGetter(MobEffectInstance.Details::duration),
Codec.BOOL.optionalFieldOf("ambient", false).forGetter(MobEffectInstance.Details::ambient),
Codec.BOOL.optionalFieldOf("show_particles", true).forGetter(MobEffectInstance.Details::showParticles),
Codec.BOOL.optionalFieldOf("show_icon").forGetter(details -> Optional.of(details.showIcon())),
codec.optionalFieldOf("hidden_effect").forGetter(MobEffectInstance.Details::hiddenEffect)
)
.apply(instance, MobEffectInstance.Details::create)
)
);
public static final StreamCodec<ByteBuf, MobEffectInstance.Details> STREAM_CODEC = StreamCodec.recursive(
streamCodec -> StreamCodec.composite(
ByteBufCodecs.VAR_INT,
MobEffectInstance.Details::amplifier,
ByteBufCodecs.VAR_INT,
MobEffectInstance.Details::duration,
ByteBufCodecs.BOOL,
MobEffectInstance.Details::ambient,
ByteBufCodecs.BOOL,
MobEffectInstance.Details::showParticles,
ByteBufCodecs.BOOL,
MobEffectInstance.Details::showIcon,
streamCodec.apply(ByteBufCodecs::optional),
MobEffectInstance.Details::hiddenEffect,
MobEffectInstance.Details::new
)
);
private static MobEffectInstance.Details create(
int amplifier, int duration, boolean ambient, boolean showParticles, Optional<Boolean> showIcon, Optional<MobEffectInstance.Details> hiddenEffect
) {
return new MobEffectInstance.Details(amplifier, duration, ambient, showParticles, (Boolean)showIcon.orElse(showParticles), hiddenEffect);
}
}
}