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Merge pull request #323 from DoctorMacc/gamerule 

Add doDaylightCycle gamerule support
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Redned 2020-04-14 22:49:10 -05:00 committed by GitHub
parent 9e634d2f14 821f164b23
commit 08ddcbac65
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 34 additions and 4 deletions
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38
connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaUpdateTimeTranslator.java
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@ -25,6 +25,10 @@
package org.geysermc.connector.network.translators.java.world;
import com.nukkitx.protocol.bedrock.data.GameRuleData;
import com.nukkitx.protocol.bedrock.packet.GameRulesChangedPacket;
import it.unimi.dsi.fastutil.longs.Long2LongMap;
import it.unimi.dsi.fastutil.longs.Long2LongOpenHashMap;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
import org.geysermc.connector.network.translators.Translator;
@ -35,11 +39,37 @@ import com.nukkitx.protocol.bedrock.packet.SetTimePacket;
@Translator(packet = ServerUpdateTimePacket.class)
public class JavaUpdateTimeTranslator extends PacketTranslator<ServerUpdateTimePacket> {
// If negative, the last time is stored so we know it's not some plugin behavior doing weird things.
// Per-player for multi-world support
private static final Long2LongMap LAST_RECORDED_TIMES = new Long2LongOpenHashMap();
@Override
public void translate(ServerUpdateTimePacket packet, GeyserSession session) {
// https://minecraft.gamepedia.com/Day-night_cycle#24-hour_Minecraft_day
SetTimePacket setTimePacket = new SetTimePacket();
setTimePacket.setTime((int) Math.abs(packet.getTime()) % 24000);
session.getUpstream().sendPacket(setTimePacket);
// Bedrock sends a GameRulesChangedPacket if there is no daylight cycle
// Java just sends a negative long if there is no daylight cycle
long lastTime = LAST_RECORDED_TIMES.getOrDefault(session.getPlayerEntity().getEntityId(), 0);
long time = packet.getTime();
if (lastTime != time) {
// https://minecraft.gamepedia.com/Day-night_cycle#24-hour_Minecraft_day
SetTimePacket setTimePacket = new SetTimePacket();
setTimePacket.setTime((int) Math.abs(time) % 24000);
session.getUpstream().sendPacket(setTimePacket);
// TODO: Performance efficient to always do this?
LAST_RECORDED_TIMES.put(session.getPlayerEntity().getEntityId(), time);
}
if (lastTime < 0 && time >= 0) {
setDoDaylightCycleGamerule(session, true);
} else if (lastTime != time && time < 0) {
setDoDaylightCycleGamerule(session, false);
}
}
private void setDoDaylightCycleGamerule(GeyserSession session, boolean doCycle) {
GameRulesChangedPacket gameRulesChangedPacket = new GameRulesChangedPacket();
gameRulesChangedPacket.getGameRules().add(new GameRuleData<>("dodaylightcycle", doCycle));
session.getUpstream().sendPacket(gameRulesChangedPacket);
}
}