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PlayerPositionAndLookPacket

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This commit is contained in:
DmitriyMX
2021-05-02 20:08:11 +03:00
parent 23fd4e2c1a
commit 2bd7fe9841
4 changed files with 110 additions and 6 deletions
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3
protocol/src/main/java/mc/protocol/State.java
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@@ -51,7 +51,8 @@ public enum State {
Map.of(
JoinGamePacket.class, 0x23,
SpawnPositionPacket.class, 0x46,
PlayerAbilitiesPacket.class,0x2C
PlayerAbilitiesPacket.class,0x2C,
PlayerPositionAndLookPacket.class, 0x2F
)
);

11
protocol/src/main/java/mc/protocol/model/Look.java Normal file
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@@ -0,0 +1,11 @@
package mc.protocol.model;
import lombok.AllArgsConstructor;
import lombok.Data;
@AllArgsConstructor
@Data
public class Look {
private float yaw;
private float pitch;
}

81
protocol/src/main/java/mc/protocol/packets/server/PlayerPositionAndLookPacket.java Normal file
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@@ -0,0 +1,81 @@
package mc.protocol.packets.server;
import lombok.Data;
import mc.protocol.io.NetByteBuf;
import mc.protocol.model.Location;
import mc.protocol.model.Look;
import mc.protocol.packets.ServerSidePacket;
/**
* Установка позиции и угла осмотра Игрока.
*
* <p>Структура пакета</p>
* <pre>
* | FIELD | TYPE | NOTES |
* |-------------|--------|-----------------------------------------------------------------------------------|
* | X | Double | Абсолютная или относительная позиция по X. Зависит от "Flags" |
* | Y | Double | Абсолютная или относительная позиция по Y. Зависит от "Flags" |
* | Z | Double | Абсолютная или относительная позиция по Z. Зависит от "Flags" |
* | Yaw | Float | Абсолютный или относительный поворот головы по OX, в градусах. Зависит от "Flags" |
* | Pitch | Float | Абсолютный или относительный поворот головы по OY, в градусах. Зависит от "Flags" |
* | Flags | Byte | Битовая маска значений флагов. См. значения ниже |
* | Teleport ID | VarInt | ID для подтверждения клиентом перемещения Игрока |
* </pre>
*
* <p>Значения "Flags"</p>
* <pre>
* | Field | Bit |
* |-------|------|
* | X | 0x01 |
* | Y | 0x02 |
* | Z | 0x04 |
* | X_ROT | 0x08 |
* | Y_ROT | 0x10 |
* </pre>
*
* <p>Примечание от Dinnerbone про "Flags":</p>
* <i>"It's a bitfield, X/Y/Z/Y_ROT/X_ROT. If X is set, the x value is relative and not absolute."</i>
*
* @see <a href="https://wiki.vg/index.php?title=Protocol&oldid=14204#Player_Position_And_Look_.28clientbound.29">Player Position And Look</a>
*/
@Data
public class PlayerPositionAndLookPacket implements ServerSidePacket {
private Location position;
private Look look;
@SuppressWarnings("java:S116")
private byte $flags = 0;
private int teleportId;
@Override
public void writeSelf(NetByteBuf netByteBuf) {
netByteBuf.writeDouble(this.position.getX());
netByteBuf.writeDouble(this.position.getY());
netByteBuf.writeDouble(this.position.getZ());
netByteBuf.writeFloat(this.look.getYaw());
netByteBuf.writeFloat(this.look.getPitch());
netByteBuf.writeByte(this.$flags);
netByteBuf.writeVarInt(teleportId);
}
//FIXME использовать value значения
public void setFlagX(boolean value) {
this.$flags = (byte) (this.$flags | 0x01);
}
public void setFlagY(boolean value) {
this.$flags = (byte) (this.$flags | 0x02);
}
public void setFlagZ(boolean value) {
this.$flags = (byte) (this.$flags | 0x04);
}
public void setFlagXRot(boolean value) {
this.$flags = (byte) (this.$flags | 0x08);
}
public void setFlagYRot(boolean value) {
this.$flags = (byte) (this.$flags | 0x10);
}
}

21
server/src/main/java/mc/server/PacketHandler.java
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@@ -4,6 +4,7 @@ import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import mc.protocol.*;
import mc.protocol.model.Location;
import mc.protocol.model.Look;
import mc.protocol.model.ServerInfo;
import mc.protocol.packets.PingPacket;
import mc.protocol.packets.client.HandshakePacket;
@@ -59,7 +60,7 @@ public class PacketHandler {
public void onLoginStart(ChannelContext<LoginStartPacket> channel) {
LoginStartPacket loginStartPacket = channel.getPacket();
LoginSuccessPacket loginSuccessPacket = new LoginSuccessPacket();
var loginSuccessPacket = new LoginSuccessPacket();
loginSuccessPacket.setUuid(UUID.randomUUID());
loginSuccessPacket.setName(loginStartPacket.getName());
@@ -67,7 +68,7 @@ public class PacketHandler {
channel.getCtx().writeAndFlush(loginSuccessPacket);
channel.setState(State.PLAY);
JoinGamePacket joinGamePacket = new JoinGamePacket();
var joinGamePacket = new JoinGamePacket();
joinGamePacket.setEntityId(random.nextInt());
joinGamePacket.setGameMode(GameMode.SPECTATOR);
joinGamePacket.setDimension(0/*Overworld*/);
@@ -77,13 +78,15 @@ public class PacketHandler {
log.info("{}", joinGamePacket);
channel.getCtx().write(joinGamePacket);
SpawnPositionPacket spawnPositionPacket = new SpawnPositionPacket();
spawnPositionPacket.setSpawn(new Location(0d, 63d, 0d));
Location spawnLocation = new Location(0d, 63d, 0d);
var spawnPositionPacket = new SpawnPositionPacket();
spawnPositionPacket.setSpawn(spawnLocation);
log.info("{}", spawnPositionPacket);
channel.getCtx().write(spawnPositionPacket);
PlayerAbilitiesPacket playerAbilitiesPacket = new PlayerAbilitiesPacket();
var playerAbilitiesPacket = new PlayerAbilitiesPacket();
playerAbilitiesPacket.setCatFly(true);
playerAbilitiesPacket.setFlying(true);
playerAbilitiesPacket.setCreativeMode(false);
@@ -95,6 +98,14 @@ public class PacketHandler {
channel.getCtx().write(playerAbilitiesPacket);
channel.getCtx().flush();
var playerPositionAndLookPacket = new PlayerPositionAndLookPacket();
playerPositionAndLookPacket.setPosition(spawnLocation);
playerPositionAndLookPacket.setLook(new Look(0f, 0f));
playerPositionAndLookPacket.setTeleportId(random.nextInt());
log.info("{}", playerPositionAndLookPacket);
channel.getCtx().writeAndFlush(playerPositionAndLookPacket);
}
private static String faviconToBase64(Path iconPath) {