Geyser/connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaUpdateTimeTranslator.java

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/*
* Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
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*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
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package org.geysermc.connector.network.translators.java.world;
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import com.nukkitx.protocol.bedrock.data.GameRuleData;
import com.nukkitx.protocol.bedrock.packet.GameRulesChangedPacket;
import it.unimi.dsi.fastutil.longs.Long2BooleanMap;
import it.unimi.dsi.fastutil.longs.Long2BooleanOpenHashMap;
import it.unimi.dsi.fastutil.longs.Long2LongMap;
import it.unimi.dsi.fastutil.longs.Long2LongOpenHashMap;
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import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
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import org.geysermc.connector.network.translators.Translator;
import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerUpdateTimePacket;
import com.nukkitx.protocol.bedrock.packet.SetTimePacket;
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@Translator(packet = ServerUpdateTimePacket.class)
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public class JavaUpdateTimeTranslator extends PacketTranslator<ServerUpdateTimePacket> {
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// doDaylightCycle per-player for multi-world support
static Long2BooleanMap daylightCycles = new Long2BooleanOpenHashMap();
// If negative, the last time is stored so we know it's not some plugin behavior doing weird things.
static Long2LongMap lastRecordedTimes = new Long2LongOpenHashMap();
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@Override
public void translate(ServerUpdateTimePacket packet, GeyserSession session) {
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boolean doDayLightCycle = daylightCycles.getOrDefault(session.getPlayerEntity().getEntityId(), true);
long lastTime = lastRecordedTimes.getOrDefault(session.getPlayerEntity().getEntityId(), 0);
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long time = packet.getTime();
if ((!doDayLightCycle && time > 0 && lastTime != time) || (doDayLightCycle && time < 0)) {
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// doDaylightCycle is different than the client and we don't know
// Time is set either way as a reference point for the current time
setTime(time, session);
setDoDayLightGamerule(session, !doDayLightCycle);
} else if (time > 0) {
// doDaylightCycle is true and we know
setTime(time, session);
} else if (time < 0) {
setTime(time, session);
// Only written to if negative to ease performance
lastRecordedTimes.put(session.getPlayerEntity().getEntityId(), time);
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}
}
private void setTime(long time, GeyserSession session) {
// https://minecraft.gamepedia.com/Day-night_cycle#24-hour_Minecraft_day
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SetTimePacket setTimePacket = new SetTimePacket();
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setTimePacket.setTime((int) Math.abs(time) % 24000);
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session.getUpstream().sendPacket(setTimePacket);
}
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private void setDoDayLightGamerule(GeyserSession session, boolean doCycle) {
GameRulesChangedPacket gameRulesChangedPacket = new GameRulesChangedPacket();
gameRulesChangedPacket.getGameRules().add(new GameRuleData<>("dodaylightcycle", doCycle));
session.getUpstream().sendPacket(gameRulesChangedPacket);
daylightCycles.put(session.getPlayerEntity().getEntityId(), doCycle);
}
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}