61 lines
1.3 KiB
Java
61 lines
1.3 KiB
Java
package net.minecraft.world.entity;
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import java.util.function.Consumer;
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import net.minecraft.util.Mth;
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public class AnimationState {
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private static final long STOPPED = Long.MAX_VALUE;
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private long lastTime = Long.MAX_VALUE;
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private long accumulatedTime;
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public void start(int tickCount) {
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this.lastTime = tickCount * 1000L / 20L;
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this.accumulatedTime = 0L;
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}
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public void startIfStopped(int tickCount) {
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if (!this.isStarted()) {
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this.start(tickCount);
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}
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}
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public void animateWhen(boolean condition, int tickCount) {
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if (condition) {
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this.startIfStopped(tickCount);
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} else {
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this.stop();
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}
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}
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public void stop() {
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this.lastTime = Long.MAX_VALUE;
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}
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public void ifStarted(Consumer<AnimationState> action) {
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if (this.isStarted()) {
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action.accept(this);
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}
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}
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public void updateTime(float ageInTicks, float speed) {
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if (this.isStarted()) {
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long l = Mth.lfloor(ageInTicks * 1000.0F / 20.0F);
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this.accumulatedTime = this.accumulatedTime + (long)((float)(l - this.lastTime) * speed);
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this.lastTime = l;
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}
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}
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public void fastForward(int duration, float speed) {
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if (this.isStarted()) {
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this.accumulatedTime += (long)(duration * 1000 * speed) / 20L;
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}
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}
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public long getAccumulatedTime() {
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return this.accumulatedTime;
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}
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public boolean isStarted() {
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return this.lastTime != Long.MAX_VALUE;
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}
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}
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