util: Create RSTimeUnit enum

This commit adds a list of time units used in some duration
calculations, specifically client ticks and game ticks.

runelite-client/src/main/java/net/runelite/client/util/RSTimeUnit.java

@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2020, Jordan Atwood <jordan.atwood423@gmail.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.client.util;
+
+import java.time.Duration;
+import java.time.temporal.Temporal;
+import java.time.temporal.TemporalUnit;
+import lombok.Getter;
+import net.runelite.api.Constants;
+
+@Getter
+public enum RSTimeUnit implements TemporalUnit
+{
+	CLIENT_TICKS("Client tick", Duration.ofMillis(Constants.CLIENT_TICK_LENGTH)),
+	GAME_TICKS("Game tick", Duration.ofMillis(Constants.GAME_TICK_LENGTH)),
+	;
+
+	private final String name;
+	private final Duration duration;
+
+	RSTimeUnit(String name, Duration estimatedDuration)
+	{
+		this.name = name;
+		duration = estimatedDuration;
+	}
+
+	@Override
+	public boolean isDurationEstimated()
+	{
+		return false;
+	}
+
+	@Override
+	public boolean isDateBased()
+	{
+		return false;
+	}
+
+	@Override
+	public boolean isTimeBased()
+	{
+		return true;
+	}
+
+	@Override
+	public boolean isSupportedBy(Temporal temporal)
+	{
+		return temporal.isSupported(this);
+	}
+
+	@Override
+	public <R extends Temporal> R addTo(R temporal, long amount)
+	{
+		return (R) temporal.plus(amount, this);
+	}
+
+	@Override
+	public long between(Temporal temporal1Inclusive, Temporal temporal2Exclusive)
+	{
+		return temporal1Inclusive.until(temporal2Exclusive, this);
+	}
+
+	@Override
+	public String toString()
+	{
+		return name + " (" + duration.toMillis() + "ms)";
+	}
+}