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Inline position packets

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This commit is contained in:
TheMode 2021-07-20 03:06:27 +02:00
parent 1ff4b7cb74
commit 12e430db69
6 changed files with 58 additions and 96 deletions
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106
src/main/java/net/minestom/server/entity/Entity.java
View File

@ -597,82 +597,6 @@ public class Entity implements Viewable, Tickable, TagHandler, PermissionHandler
}
}
/**
* Sends the correct packets to update the entity's position, should be called
* every tick. The movement is checked inside the method!
* <p>
* The following packets are sent to viewers (check are performed in this order):
* <ol>
* <li>{@link EntityTeleportPacket} if {@code distanceX > 8 || distanceY > 8 || distanceZ > 8}
* <i>(performed using {@link #synchronizePosition(boolean)})</i></li>
* <li>{@link EntityPositionAndRotationPacket} if {@code positionChange && viewChange}</li>
* <li>{@link EntityPositionPacket} if {@code positionChange}</li>
* <li>{@link EntityRotationPacket} and {@link EntityHeadLookPacket} if {@code viewChange}</li>
* </ol>
* In case of a player's position and/or view change an additional {@link PlayerPositionAndLookPacket}
* is sent to self.
*
* @param clientSide {@code true} if the client triggered this action
*/
protected void sendPositionUpdate(final boolean clientSide) {
final boolean viewChange = !position.sameView(lastSyncedPosition);
final double distanceX = Math.abs(position.x() - lastSyncedPosition.x());
final double distanceY = Math.abs(position.y() - lastSyncedPosition.y());
final double distanceZ = Math.abs(position.z() - lastSyncedPosition.z());
final boolean positionChange = (distanceX + distanceY + distanceZ) > 0;
if (distanceX > 8 || distanceY > 8 || distanceZ > 8) {
synchronizePosition(true);
// #synchronizePosition sets sync fields, it's safe to return
return;
} else if (positionChange && viewChange) {
EntityPositionAndRotationPacket positionAndRotationPacket = EntityPositionAndRotationPacket
.getPacket(getEntityId(), position, lastSyncedPosition, isOnGround());
sendPacketToViewers(positionAndRotationPacket);
// Fix head rotation
final EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
entityHeadLookPacket.entityId = getEntityId();
entityHeadLookPacket.yaw = position.yaw();
sendPacketToViewersAndSelf(entityHeadLookPacket);
} else if (positionChange) {
final EntityPositionPacket entityPositionPacket = EntityPositionPacket
.getPacket(getEntityId(), position, lastSyncedPosition, onGround);
sendPacketToViewers(entityPositionPacket);
} else if (viewChange) {
final EntityRotationPacket entityRotationPacket = new EntityRotationPacket();
entityRotationPacket.entityId = getEntityId();
entityRotationPacket.yaw = position.yaw();
entityRotationPacket.pitch = position.pitch();
entityRotationPacket.onGround = onGround;
final EntityHeadLookPacket entityHeadLookPacket = new EntityHeadLookPacket();
entityHeadLookPacket.entityId = getEntityId();
entityHeadLookPacket.yaw = position.yaw();
if (clientSide) {
sendPacketToViewers(entityHeadLookPacket);
sendPacketToViewers(entityRotationPacket);
} else {
sendPacketToViewersAndSelf(entityHeadLookPacket);
sendPacketToViewersAndSelf(entityRotationPacket);
}
} else {
// Nothing changed, return
return;
}
if (PlayerUtils.isNettyClient(this) && !clientSide) {
final PlayerPositionAndLookPacket playerPositionAndLookPacket = new PlayerPositionAndLookPacket();
playerPositionAndLookPacket.flags = 0b111;
playerPositionAndLookPacket.position = position.sub(lastSyncedPosition);
playerPositionAndLookPacket.teleportId = ((Player) this).getNextTeleportId();
((Player) this).getPlayerConnection().sendPacket(playerPositionAndLookPacket);
}
this.lastSyncedPosition = position;
}
/**
* Gets the number of ticks this entity has been active for.
*
@ -1247,7 +1171,6 @@ public class Entity implements Viewable, Tickable, TagHandler, PermissionHandler
* Updates internal fields and sends updates.
*
* @param position the new position
* @see #sendPositionUpdate(boolean)
*/
@ApiStatus.Internal
public void refreshPosition(@NotNull final Pos position, boolean ignoreView) {
@ -1256,7 +1179,27 @@ public class Entity implements Viewable, Tickable, TagHandler, PermissionHandler
if (!position.samePoint(previousPosition)) {
refreshCoordinate(position);
}
sendPositionUpdate(true);
final boolean viewChange = !position.sameView(lastSyncedPosition);
final double distanceX = Math.abs(position.x() - lastSyncedPosition.x());
final double distanceY = Math.abs(position.y() - lastSyncedPosition.y());
final double distanceZ = Math.abs(position.z() - lastSyncedPosition.z());
final boolean positionChange = (distanceX + distanceY + distanceZ) > 0;
if (distanceX > 8 || distanceY > 8 || distanceZ > 8) {
synchronizePosition(true);
// #synchronizePosition sets sync fields, it's safe to return
return;
} else if (positionChange && viewChange) {
sendPacketToViewers(EntityPositionAndRotationPacket.getPacket(getEntityId(), position,
lastSyncedPosition, isOnGround()));
// Fix head rotation
sendPacketToViewers(new EntityHeadLookPacket(getEntityId(), position.yaw()));
} else if (positionChange) {
sendPacketToViewers(EntityPositionPacket.getPacket(getEntityId(), position, lastSyncedPosition, onGround));
} else if (viewChange) {
sendPacketToViewers(new EntityHeadLookPacket(getEntityId(), position.yaw()));
sendPacketToViewers(new EntityRotationPacket(getEntityId(), position.yaw(), position.pitch(), onGround));
}
this.lastSyncedPosition = position;
}
@ApiStatus.Internal
@ -1471,12 +1414,7 @@ public class Entity implements Viewable, Tickable, TagHandler, PermissionHandler
*/
@ApiStatus.Internal
protected void synchronizePosition(boolean includeSelf) {
final EntityTeleportPacket entityTeleportPacket = new EntityTeleportPacket();
entityTeleportPacket.entityId = getEntityId();
entityTeleportPacket.position = position;
entityTeleportPacket.onGround = isOnGround();
sendPacketToViewers(entityTeleportPacket);
sendPacketToViewers(new EntityTeleportPacket(getEntityId(), position, isOnGround()));
this.lastAbsoluteSynchronizationTime = System.currentTimeMillis();
this.lastSyncedPosition = position;
}

7
src/main/java/net/minestom/server/entity/Player.java
View File

@ -1883,13 +1883,8 @@ public class Player extends LivingEntity implements CommandSender, Localizable,
@ApiStatus.Internal
protected void synchronizePosition(boolean includeSelf) {
if (includeSelf) {
final PlayerPositionAndLookPacket positionAndLookPacket = new PlayerPositionAndLookPacket();
positionAndLookPacket.position = position;
positionAndLookPacket.flags = 0x00;
positionAndLookPacket.teleportId = teleportId.incrementAndGet();
playerConnection.sendPacket(positionAndLookPacket);
playerConnection.sendPacket(new PlayerPositionAndLookPacket(position, (byte) 0x00, teleportId.incrementAndGet(), false));
}
super.synchronizePosition(includeSelf);
}

9
src/main/java/net/minestom/server/network/packet/server/play/EntityHeadLookPacket.java
View File

@ -11,7 +11,14 @@ public class EntityHeadLookPacket implements ServerPacket {
public int entityId;
public float yaw;
public EntityHeadLookPacket() {}
public EntityHeadLookPacket(int entityId, float yaw) {
this.entityId = entityId;
this.yaw = yaw;
}
public EntityHeadLookPacket() {
this(0, 0);
}
@Override
public void write(@NotNull BinaryWriter writer) {

11
src/main/java/net/minestom/server/network/packet/server/play/EntityRotationPacket.java
View File

@ -12,7 +12,16 @@ public class EntityRotationPacket implements ServerPacket {
public float yaw, pitch;
public boolean onGround;
public EntityRotationPacket() {}
public EntityRotationPacket(int entityId, float yaw, float pitch, boolean onGround) {
this.entityId = entityId;
this.yaw = yaw;
this.pitch = pitch;
this.onGround = onGround;
}
public EntityRotationPacket() {
this(0, 0, 0, false);
}
@Override
public void write(@NotNull BinaryWriter writer) {

10
src/main/java/net/minestom/server/network/packet/server/play/EntityTeleportPacket.java
View File

@ -1,10 +1,10 @@
package net.minestom.server.network.packet.server.play;
import net.minestom.server.coordinate.Pos;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.packet.server.ServerPacketIdentifier;
import net.minestom.server.utils.binary.BinaryReader;
import net.minestom.server.utils.binary.BinaryWriter;
import net.minestom.server.coordinate.Pos;
import org.jetbrains.annotations.NotNull;
public class EntityTeleportPacket implements ServerPacket {
@ -13,8 +13,14 @@ public class EntityTeleportPacket implements ServerPacket {
public Pos position;
public boolean onGround;
public EntityTeleportPacket(int entityId, Pos position, boolean onGround) {
this.entityId = entityId;
this.position = position;
this.onGround = onGround;
}
public EntityTeleportPacket() {
position = Pos.ZERO;
this(0, Pos.ZERO, false);
}
@Override

11
src/main/java/net/minestom/server/network/packet/server/play/PlayerPositionAndLookPacket.java
View File

@ -1,10 +1,10 @@
package net.minestom.server.network.packet.server.play;
import net.minestom.server.coordinate.Pos;
import net.minestom.server.network.packet.server.ServerPacket;
import net.minestom.server.network.packet.server.ServerPacketIdentifier;
import net.minestom.server.utils.binary.BinaryReader;
import net.minestom.server.utils.binary.BinaryWriter;
import net.minestom.server.coordinate.Pos;
import org.jetbrains.annotations.NotNull;
public class PlayerPositionAndLookPacket implements ServerPacket {
@ -14,8 +14,15 @@ public class PlayerPositionAndLookPacket implements ServerPacket {
public int teleportId;
public boolean dismountVehicle;
public PlayerPositionAndLookPacket(Pos position, byte flags, int teleportId, boolean dismountVehicle) {
this.position = position;
this.flags = flags;
this.teleportId = teleportId;
this.dismountVehicle = dismountVehicle;
}
public PlayerPositionAndLookPacket() {
position = Pos.ZERO;
this(Pos.ZERO, (byte) 0, 0, false);
}
@Override