--- a/src/proto2/Network.hh	Mon Nov 24 22:18:49 2008 +0000
+++ b/src/proto2/Network.hh	Mon Nov 24 22:20:32 2008 +0000
@@ -29,6 +29,10 @@
     NETCHAN_CORE            = 0x01,
 };
 
+enum NetworkPhysicsFlags {
+    NETWORK_PHYSICS_INAIR      = 0x01,
+};
+
 enum NetworkMessage {
     NETMSG_PACKET_INVALID   = 0x00,
 
@@ -71,6 +75,7 @@
      *
      * Vector   position
      * Vector   velocity
+     * uint8_t  NetworkPhysicsFlags
      */
     NETMSG_PLAYER_POSITION  = 0x0301,
 };

--- a/src/proto2/NetworkClient.cc	Mon Nov 24 22:18:49 2008 +0000
+++ b/src/proto2/NetworkClient.cc	Mon Nov 24 22:20:32 2008 +0000
@@ -105,11 +105,12 @@
 void NetworkClientLocalPlayer::on_position (NetworkPacket &pkt) {
     Vector position = pkt.read_vector();
     Vector velocity = pkt.read_vector();
+    uint8_t flags = pkt.read_uint8();
 
     Engine::log(INFO, "client_player.on_position") << "obj=" << obj << ", position=" << position << ", velocity=" << velocity;
     
     // just update... 
-    updatePhysics(position, velocity);
+    updatePhysics(position, velocity, flags & NETWORK_PHYSICS_INAIR);
 }
         
 NetworkClientRemotePlayer::NetworkClientRemotePlayer (NetworkClient &client, NetworkObject_Client *obj, Vector position) :
@@ -123,11 +124,12 @@
 void NetworkClientRemotePlayer::on_position (NetworkPacket &pkt) {
     Vector position = pkt.read_vector();
     Vector velocity = pkt.read_vector();
+    uint8_t flags = pkt.read_uint8();
 
     Engine::log(INFO, "client_player.on_position") << "obj=" << obj << ", position=" << position << ", velocity=" << velocity;
     
     // just update... 
-    updatePhysics(position, velocity);
+    updatePhysics(position, velocity, flags & NETWORK_PHYSICS_INAIR);
 }
 
 void NetworkClientRemotePlayer::on_quit (NetworkPacket &pkt) {

--- a/src/proto2/NetworkServer.cc	Mon Nov 24 22:18:49 2008 +0000
+++ b/src/proto2/NetworkServer.cc	Mon Nov 24 22:20:32 2008 +0000
@@ -105,6 +105,7 @@
     NetworkPacket pkt;
     pkt.write_vector(position);
     pkt.write_vector(velocity);
+    pkt.write_uint8(inAir & NETWORK_PHYSICS_INAIR);
 
     Engine::log(INFO, "server_player.send_position_update") << "obj=" << obj << " -> " << position << "+" << velocity;
 

--- a/src/proto2/Physics.cc	Mon Nov 24 22:18:49 2008 +0000
+++ b/src/proto2/Physics.cc	Mon Nov 24 22:20:32 2008 +0000
@@ -414,9 +414,10 @@
 	this->inAir = true;
 }
 
-void PhysicsObject::updatePhysics (Vector position, Vector velocity) {
+void PhysicsObject::updatePhysics (Vector position, Vector velocity, bool inAir) {
     this->position = position;
     this->velocity = velocity;
+    this->inAir = inAir;
 }
     
 Vector PhysicsObject::getPosition () {

--- a/src/proto2/Physics.hh	Mon Nov 24 22:18:49 2008 +0000
+++ b/src/proto2/Physics.hh	Mon Nov 24 22:20:32 2008 +0000
@@ -91,7 +91,7 @@
     /**
      * Called on network clients to sync state from server
      */
-    void updatePhysics (Vector position, Vector velocity);
+    void updatePhysics (Vector position, Vector velocity, bool inAir);
 
     /**
      * Handle ground movement