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* Account for splash water bottles now extinguishing entities * improvements and javadocs * reorder patches * rename event to WaterBottleSplashEvent Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>
136 lines
4.4 KiB
Diff
136 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Kieran Wallbanks <kieran.wallbanks@gmail.com>
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Date: Fri, 2 Apr 2021 17:28:58 +0100
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Subject: [PATCH] Add Tick TemporalUnit
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diff --git a/src/main/java/io/papermc/paper/util/Tick.java b/src/main/java/io/papermc/paper/util/Tick.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..900f39c0c5c6f4f2c89e0b4dade0d26b367c4f57
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/util/Tick.java
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@@ -0,0 +1,94 @@
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+package io.papermc.paper.util;
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+
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+import net.kyori.adventure.util.Ticks;
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+import org.jetbrains.annotations.NotNull;
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+
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+import java.time.Duration;
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+import java.time.temporal.Temporal;
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+import java.time.temporal.TemporalUnit;
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+import java.util.Objects;
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+
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+/**
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+ * A TemporalUnit that represents the target length of one server tick. This is defined
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+ * as 50 milliseconds. Note that this class is not for measuring the length that a tick
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+ * took, rather it is used for simple conversion between times and ticks.
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+ * @see #tick()
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+ */
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+public final class Tick implements TemporalUnit {
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+ private static final Tick INSTANCE = new Tick(Ticks.SINGLE_TICK_DURATION_MS);
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+
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+ private final long milliseconds;
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+
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+ /**
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+ * Gets the instance of the tick temporal unit.
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+ * @return the tick instance
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+ */
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+ public static @NotNull Tick tick() {
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+ return INSTANCE;
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+ }
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+
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+ /**
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+ * Creates a new tick.
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+ * @param length the length of the tick in milliseconds
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+ * @see #tick()
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+ */
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+ private Tick(long length) {
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+ this.milliseconds = length;
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+ }
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+
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+ /**
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+ * Creates a duration from an amount of ticks. This is shorthand for
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+ * {@link Duration#of(long, TemporalUnit)} called with the amount of ticks and
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+ * {@link #tick()}.
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+ * @param ticks the amount of ticks
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+ * @return the duration
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+ */
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+ public static @NotNull Duration of(long ticks) {
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+ return Duration.of(ticks, INSTANCE);
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+ }
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+
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+ /**
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+ * Gets the number of whole ticks that occur in the provided duration. Note that this
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+ * method returns an {@code int} as this is the unit that Minecraft stores ticks in.
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+ * @param duration the duration
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+ * @return the number of whole ticks in this duration
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+ * @throws ArithmeticException if the duration is zero or an overflow occurs
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+ */
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+ public int fromDuration(@NotNull Duration duration) {
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+ Objects.requireNonNull(duration, "duration cannot be null");
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+ return Math.toIntExact(Math.floorDiv(duration.toMillis(), INSTANCE.milliseconds));
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+ }
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+
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+ @Override
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+ public @NotNull Duration getDuration() {
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+ return Duration.ofMillis(this.milliseconds);
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+ }
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+
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+ // Note: This is a workaround in order to allow calculations with this duration.
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+ // See: Duration#add
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+ @Override
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+ public boolean isDurationEstimated() {
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+ return false;
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+ }
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+
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+ @Override
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+ public boolean isDateBased() {
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+ return false;
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+ }
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+
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+ @Override
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+ public boolean isTimeBased() {
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+ return true;
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+ }
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+
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+ @SuppressWarnings("unchecked") // following ChronoUnit#addTo
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+ @Override
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+ public <R extends Temporal> @NotNull R addTo(@NotNull R temporal, long amount) {
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+ return (R) temporal.plus(amount, this);
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+ }
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+
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+ @Override
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+ public long between(@NotNull Temporal start, @NotNull Temporal end) {
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+ return start.until(end, this);
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+ }
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+}
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diff --git a/src/test/java/io/papermc/paper/util/TickTest.java b/src/test/java/io/papermc/paper/util/TickTest.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..9a48f7a82636d4047a3f5fefe69bb88c2f5aaaef
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--- /dev/null
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+++ b/src/test/java/io/papermc/paper/util/TickTest.java
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@@ -0,0 +1,23 @@
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+package io.papermc.paper.util;
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+
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+import java.time.Duration;
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+import org.junit.Test;
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+
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+import static org.junit.Assert.assertEquals;
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+
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+public class TickTest {
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+
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+ @Test
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+ public void testTickLength() {
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+ assertEquals(50, Duration.of(1, Tick.tick()).toMillis());
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+ assertEquals(100, Duration.of(2, Tick.tick()).toMillis());
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+ }
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+
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+ @Test
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+ public void testTickFromDuration() {
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+ assertEquals(0, Tick.tick().fromDuration(Duration.ofMillis(0)));
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+ assertEquals(0, Tick.tick().fromDuration(Duration.ofMillis(10)));
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+ assertEquals(1, Tick.tick().fromDuration(Duration.ofMillis(60)));
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+ assertEquals(2, Tick.tick().fromDuration(Duration.ofMillis(100)));
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+ }
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+}
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