From 50a1e2b2fe3c207c7227df4941f2f66990db0c2c Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Mon, 4 Aug 2008 18:24:36 +0000
Subject: network protocol version 5, netserver per-client updates, zone change
 protocol

---
 src/core/netconnection.cc | 109 +++++++++++++++++++++++++++++++++-------------
 1 file changed, 79 insertions(+), 30 deletions(-)

(limited to 'src/core/netconnection.cc')

diff --git a/src/core/netconnection.cc b/src/core/netconnection.cc
index db8e3a2..3b302dd 100644
--- a/src/core/netconnection.cc
+++ b/src/core/netconnection.cc
@@ -451,7 +451,7 @@ void NetConnection::parse_incoming_message(const std::string & message)
 	} else if (command == "die") {
 		unsigned int id;
 		if (msgstream >> id) {
-			//con_debug << "Received die entity id " << id << std::endl;
+			con_debug << "Received die entity id " << id << std::endl;
 			Entity *e = Entity::find(id);
 			if (localcontrol() == e) 
 				localplayer()->set_control(0);
@@ -460,47 +460,96 @@ void NetConnection::parse_incoming_message(const std::string & message)
 		}
 
 	} else if (command == "ent") {
-		unsigned int type;
-		if (msgstream >> type) {
-			//con_debug << "Received create entity type " << type << std::endl;
-			switch (type) 
-			{
-			case Entity::Default:
-				game()->update_entity_clientstate(new Entity(msgstream));
-				break;
-			case Entity::Dynamic:
-				game()->update_entity_clientstate(new EntityDynamic(msgstream));
-				break;
-			case Entity::Controlable:
-				game()->update_entity_clientstate(new EntityControlable(msgstream));
-				break;
-			case Entity::Globe:
-				game()->update_entity_clientstate(new EntityGlobe(msgstream));
-				break;
-			default:
-				con_warn << "Create for unknown entity type " << type << std::endl;
-				break;
+
+		unsigned int type = 0;
+		unsigned int id = 0;
+
+		if ((msgstream >> id)  && (msgstream >> type)) {
+
+			if (!id) {
+				con_warn << "Received create for NULL entity!" << std::endl;
+				return;
+			}
+			con_debug << "Received create entity id " << id << " type " << type << std::endl;
+
+			Entity *entity = Entity::find(id);
+
+			if (!entity) {
+				switch (type) 
+				{
+				case Entity::Default:
+					entity = new Entity(msgstream);
+					break;
+				case Entity::Dynamic:
+					entity = new EntityDynamic(msgstream);
+					break;
+				case Entity::Controlable:
+					entity = new EntityControlable(msgstream);
+					break;
+				case Entity::Globe:
+					entity = new EntityGlobe(msgstream);
+					break;
+				default:
+					con_warn << "Received create for unknown entity type " << type << std::endl;
+					return;
+					break;
+				}
+				
+				Entity::add(entity, id);
 			}
+
+			entity->receive_server_create(msgstream);
+			game()->update_entity_clientstate(entity);
 		}
+
 	} else if (command.compare("zone") == 0) {
+
 		unsigned int id;
 		std::string label;
 		if (msgstream >> id) {
-			con_debug << "Received create zone " << id << std::endl;
-			Zone * zone = Zone::find(id);
+			if (id) {
+				con_debug << "Received zone " << id << std::endl;
+				Zone * zone = Zone::find(id);
 			
-			// create the zone if necessary
-			if (!zone) {
-				zone = new Zone(msgstream);
-				Zone::add(zone, id);
-			} else {
-				zone->receive_server_update(msgstream);
+				// create the zone if necessary
+				if (!zone) {
+					zone = new Zone(msgstream);
+					Zone::add(zone, id);
+				} else {
+					zone->receive_server_update(msgstream);
+				}
 			}
+
+			// control is set to 0 on zone change and is put back by pif
+			connection()->localplayer()->set_control(0);
 		}
 
 	} else if (command == "pif") {
-		//con_debug << "Received update player info" << std::endl;
+		con_debug << "Received update player info" << std::endl;
+	
+		Zone *oldzone = connection()->localplayer()->zone();
 		connection()->localplayer()->receive_server_update(msgstream);
+			
+		con_debug << "zone " << ( connection()->localplayer()->zone() ? connection()->localplayer()->zone()->id() : 0) << std::endl;
+
+		if (connection()->localplayer()->zonechange() && oldzone && (oldzone != connection()->localplayer()->zone())) {
+
+			// notify the applciation to clear none-core zone assets (textures etc)
+			application()->notify_zoneclear(oldzone);
+
+			// delete all entities in the old zone
+			for (Entity::Registry::iterator it=Entity::registry().begin(); it != Entity::registry().end(); ) {
+				Entity *entity = (*it).second;
+
+				if ((entity->zone() == oldzone)) {
+					delete entity;
+					Entity::registry().erase(it++);
+				} else {
+					++it;
+				}
+			}
+			oldzone->content().clear();
+		}
 
 	} else if (command == "sup") {
 		if (connection_state == Connected) 
-- 
cgit v1.2.3