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TrackerAnimation defines how an animation should be applied to a tracker, including priority, conditions, and lifecycle callbacks.

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Package

kr.toxicity.model.api.tracker.TrackerAnimation<T extends Tracker>

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Type Parameters

  • T - The type of tracker this animation applies to

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Record Components

ComponentTypeDescription
nameStringThe unique name of the animation
priorityintAnimation priority (higher values take precedence)
targetClassClass<T>The class type of the tracker
applyConditionPredicate<? super T>Condition to check if animation can play
modifierBuilderFunction<? super T, AnimationModifier>Function providing animation modifier
removeTaskConsumer<? super T>Task run when animation is removed
successTaskConsumer<? super T>Task run when animation starts successfully
fallbackTaskConsumer<? super T>Task run when animation fails to start
Since: 2.2.0

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Static Methods

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builder(String)

public static @NotNull Builder<Tracker> builder(@NotNull String name)
Creates a new builder for a TrackerAnimation. Parameters:
  • name - The name of the animation
Returns: A new builder instance Since: 2.2.0

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Instance Methods

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compareTo(TrackerAnimation)

public int compareTo(@NonNull TrackerAnimation<T> o)
Compares animations by priority (higher first), then by name alphabetically. Implements Comparable<TrackerAnimation<T>>.

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Builder Class

The TrackerAnimation.Builder provides a fluent API for constructing tracker animations.

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Builder Methods

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type(Class)

public <R extends T> Builder<R> type(@NotNull Class<R> newTargetClass)
Changes the target tracker type for this builder. Parameters:
  • newTargetClass - The new target class
Returns: A new builder for the specified type Since: 2.2.0

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priority(int)

public @NotNull Builder<T> priority(int priority)
Sets the priority of the animation. Higher values take precedence. Parameters:
  • priority - The priority value
Returns: This builder Since: 2.2.0

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check(Predicate)

public @NotNull Builder<T> check(@NotNull Predicate<? super T> applyCondition)
Sets the condition that must be met for the animation to play. Parameters:
  • applyCondition - The condition predicate
Returns: This builder Since: 2.2.0

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modifier(Function)

public @NotNull Builder<T> modifier(
    @NotNull Function<? super T, AnimationModifier> modifierBuilder
)
Sets the function that provides an AnimationModifier. Parameters:
  • modifierBuilder - Function providing the modifier
Returns: This builder Since: 2.2.0

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onRemove(Consumer)

public @NotNull Builder<T> onRemove(@NotNull Consumer<? super T> removeTask)
Sets the task to run when the animation is removed. Parameters:
  • removeTask - The removal task
Returns: This builder Since: 2.2.0

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onSuccess(Consumer)

public @NotNull Builder<T> onSuccess(@NotNull Consumer<? super T> successTask)
Sets the task to run when the animation starts successfully. Parameters:
  • successTask - The success task
Returns: This builder Since: 2.2.0

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onFallback(Consumer)

public @NotNull Builder<T> onFallback(@NotNull Consumer<? super T> fallbackTask)
Sets the task to run when the animation fails to start. Parameters:
  • fallbackTask - The fallback task
Returns: This builder Since: 2.2.0

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build()

public @NotNull TrackerAnimation<T> build()
Builds the TrackerAnimation instance. Returns: The constructed animation Since: 2.2.0

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Usage Examples

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Basic Tracker Animation

TrackerAnimation<Tracker> animation = TrackerAnimation.builder("walk")
    .priority(10)
    .check(tracker -> tracker.isMoving())
    .build();

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Animation with Modifier

TrackerAnimation<Tracker> animation = TrackerAnimation.builder("run")
    .priority(20)
    .check(tracker -> tracker.isSprinting())
    .modifier(tracker -> AnimationModifier.builder()
        .speed(1.5f)
        .type(AnimationIterator.Type.LOOP)
        .build())
    .build();

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Animation with Lifecycle Hooks

TrackerAnimation<PlayerTracker> animation = TrackerAnimation.builder("attack")
    .type(PlayerTracker.class)
    .priority(50)
    .onSuccess(tracker -> {
        tracker.playSound("entity.player.attack");
        tracker.spawnParticles();
    })
    .onRemove(tracker -> {
        tracker.resetCombatState();
    })
    .onFallback(tracker -> {
        tracker.sendMessage("Animation failed to play");
    })
    .build();

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Conditional Animation

TrackerAnimation<Tracker> animation = TrackerAnimation.builder("swim")
    .priority(15)
    .check(tracker -> tracker.isInWater())
    .modifier(tracker -> AnimationModifier.builder()
        .predicate(() -> !tracker.isOnGround())
        .start(5)
        .end(5)
        .build())
    .build();

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Type-Specific Animation

// Start with generic tracker
TrackerAnimation.Builder<Tracker> builder = TrackerAnimation.builder("custom");

// Specialize to EntityTracker
TrackerAnimation<EntityTracker> entityAnim = builder
    .type(EntityTracker.class)
    .check(tracker -> tracker.getEntity().isAlive())
    .modifier(tracker -> {
        float healthPercent = tracker.getEntity().getHealth() / 
                              tracker.getEntity().getMaxHealth();
        return AnimationModifier.builder()
            .speed(0.5f + healthPercent)
            .build();
    })
    .build();

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Priority-Based Animation System

List<TrackerAnimation<Tracker>> animations = Arrays.asList(
    TrackerAnimation.builder("idle")
        .priority(0)
        .build(),
    
    TrackerAnimation.builder("walk")
        .priority(10)
        .check(tracker -> tracker.isMoving())
        .build(),
    
    TrackerAnimation.builder("run")
        .priority(20)
        .check(tracker -> tracker.isSprinting())
        .build(),
    
    TrackerAnimation.builder("jump")
        .priority(30)
        .check(tracker -> !tracker.isOnGround())
        .build()
);

// Sort by priority (highest first)
Collections.sort(animations);

// Play first matching animation
for (TrackerAnimation<Tracker> anim : animations) {
    if (anim.play(tracker)) {
        break;
    }
}

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Animation with Dynamic Speed

TrackerAnimation<PlayerTracker> animation = TrackerAnimation.builder("mine")
    .type(PlayerTracker.class)
    .check(tracker -> tracker.isMining())
    .modifier(tracker -> {
        float efficiency = tracker.getToolEfficiency();
        return AnimationModifier.builder()
            .speed(() -> 1.0f + (efficiency * 0.1f))
            .type(AnimationIterator.Type.LOOP)
            .build();
    })
    .build();

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Cleanup on Animation End

TrackerAnimation<Tracker> animation = TrackerAnimation.builder("special")
    .priority(100)
    .modifier(tracker -> AnimationModifier.builder()
        .type(AnimationIterator.Type.PLAY_ONCE)
        .build())
    .onSuccess(tracker -> {
        tracker.startCooldown("special", 100);
    })
    .onRemove(tracker -> {
        tracker.clearEffects();
        tracker.resetAnimationState();
    })
    .build();

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State-Based Animation

TrackerAnimation<EntityTracker> animation = TrackerAnimation.builder("combat")
    .type(EntityTracker.class)
    .priority(40)
    .check(tracker -> tracker.isInCombat())
    .modifier(tracker -> {
        boolean isBlocking = tracker.isBlocking();
        return AnimationModifier.builder()
            .type(isBlocking ? 
                AnimationIterator.Type.HOLD_ON_LAST : 
                AnimationIterator.Type.LOOP)
            .speed(isBlocking ? 0.5f : 1.0f)
            .build();
    })
    .build();

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Animation Override System

TrackerAnimation<Tracker> overrideAnim = TrackerAnimation.builder("emote")
    .priority(999)  // Very high priority
    .modifier(tracker -> AnimationModifier.builder()
        .override(true)
        .type(AnimationIterator.Type.PLAY_ONCE)
        .start(5)
        .end(10)
        .build())
    .onSuccess(tracker -> {
        tracker.lockMovement();
    })
    .onRemove(tracker -> {
        tracker.unlockMovement();
    })
    .build();

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See Also

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