GeyserMC/Geyser
GeyserMC/Geyser
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Code Issues 103 Projects Releases Wiki Activity

Fix flying in creative mode

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Flying with commands such as /fly will not work for now (it didn't in the first place). This will need to be addressed later.
This commit is contained in:
RednedEpic 2019-11-28 10:10:32 -06:00
parent 7a4621cf51
commit faffa07e89
2 changed files with 40 additions and 8 deletions
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4
connector/src/main/java/org/geysermc/connector/network/translators/TranslatorsInit.java
View file

@ -126,7 +126,9 @@ public class TranslatorsInit {
Registry.registerJava(ServerPlayerSetExperiencePacket.class, new JavaPlayerSetExperienceTranslator());
Registry.registerJava(ServerPlayerHealthPacket.class, new JavaPlayerHealthTranslator());
Registry.registerJava(ServerPlayerActionAckPacket.class, new JavaPlayerActionAckTranslator());
Registry.registerJava(ServerPlayerAbilitiesPacket.class, new JavaPlayerAbilitiesTranslator());
// FIXME: This translator messes with allowing flight in creative mode. Will need to be addressed later
// Registry.registerJava(ServerPlayerAbilitiesPacket.class, new JavaPlayerAbilitiesTranslator());
Registry.registerJava(ServerNotifyClientPacket.class, new JavaNotifyClientTranslator());
Registry.registerJava(ServerChunkDataPacket.class, new JavaChunkDataTranslator());

44
connector/src/main/java/org/geysermc/connector/network/translators/java/world/JavaNotifyClientTranslator.java
View file

@ -28,9 +28,9 @@ package org.geysermc.connector.network.translators.java.world;
import com.github.steveice10.mc.protocol.data.game.entity.player.GameMode;
import com.github.steveice10.mc.protocol.packet.ingame.server.world.ServerNotifyClientPacket;
import com.nukkitx.math.vector.Vector3f;
import com.nukkitx.protocol.bedrock.packet.LevelEventPacket;
import com.nukkitx.protocol.bedrock.packet.SetPlayerGameTypePacket;
import com.nukkitx.protocol.bedrock.packet.ShowCreditsPacket;
import com.nukkitx.protocol.bedrock.data.EntityDataDictionary;
import com.nukkitx.protocol.bedrock.data.EntityFlag;
import com.nukkitx.protocol.bedrock.packet.*;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.PacketTranslator;
@ -41,6 +41,10 @@ public class JavaNotifyClientTranslator extends PacketTranslator<ServerNotifyCli
@Override
public void translate(ServerNotifyClientPacket packet, GeyserSession session) {
Entity entity = session.getPlayerEntity();
if (entity == null)
return;
switch (packet.getNotification()) {
case START_RAIN:
LevelEventPacket startRainPacket = new LevelEventPacket();
@ -57,17 +61,35 @@ public class JavaNotifyClientTranslator extends PacketTranslator<ServerNotifyCli
session.getUpstream().sendPacket(stopRainPacket);
break;
case CHANGE_GAMEMODE:
int playerFlags = 0;
GameMode gameMode = (GameMode) packet.getValue();
playerFlags = setPlayerFlag(0x01, gameMode == GameMode.ADVENTURE, playerFlags); // world immutable
playerFlags = setPlayerFlag(0x20, true, playerFlags); // auto jump
playerFlags = setPlayerFlag(0x40, gameMode == GameMode.CREATIVE || gameMode == GameMode.SPECTATOR, playerFlags); // can fly
playerFlags = setPlayerFlag(0x80, gameMode == GameMode.SPECTATOR, playerFlags); // no clip
playerFlags = setPlayerFlag(0x200, gameMode == GameMode.SPECTATOR, playerFlags); // is flying
SetPlayerGameTypePacket playerGameTypePacket = new SetPlayerGameTypePacket();
playerGameTypePacket.setGamemode(gameMode.ordinal());
session.getUpstream().sendPacket(playerGameTypePacket);
session.setGameMode(gameMode);
AdventureSettingsPacket adventureSettingsPacket = new AdventureSettingsPacket();
adventureSettingsPacket.setPlayerPermission(1);
adventureSettingsPacket.setUniqueEntityId(entity.getGeyserId());
adventureSettingsPacket.setPlayerFlags(playerFlags);
session.getUpstream().sendPacket(adventureSettingsPacket);
EntityDataDictionary metadata = entity.getMetadata();
metadata.getFlags().setFlag(EntityFlag.CAN_FLY, gameMode == GameMode.CREATIVE || gameMode == GameMode.SPECTATOR);
SetEntityDataPacket entityDataPacket = new SetEntityDataPacket();
entityDataPacket.setRuntimeEntityId(entity.getGeyserId());
entityDataPacket.getMetadata().putAll(metadata);
session.getUpstream().sendPacket(entityDataPacket);
break;
case ENTER_CREDITS:
Entity entity = session.getPlayerEntity();
if (entity == null)
return;
ShowCreditsPacket showCreditsPacket = new ShowCreditsPacket();
showCreditsPacket.setStatus(ShowCreditsPacket.Status.START_CREDITS);
showCreditsPacket.setRuntimeEntityId(entity.getGeyserId());
@ -77,4 +99,12 @@ public class JavaNotifyClientTranslator extends PacketTranslator<ServerNotifyCli
break;
}
}
private int setPlayerFlag(int flag, boolean value, int playerFlags) {
if (value) {
return playerFlags | flag;
} else {
return playerFlags & ~flag;
}
}
}