Added a local chat channel. The say command defaults to zone chat, global messages can be send with the shout command.

Removed NonSolid flag fro race objects, have race use the local chat channel. 
Updated to network protocol version 22.
Updated developer documentation.

19 files changed, 252 insertions, 85 deletions

diff --git a/developer/ROADMAP b/developer/ROADMAP
index ed69556..98620ee 100644
--- a/developer/ROADMAP
+++ b/developer/ROADMAP
@@ -39,16 +39,16 @@
 
   Requires:
 
-	client console
-	entities
-	ship instances
-	network subsystem
-	entities
-	camera handling
-	keyboard bindings
-	zones
-	basic travelling: impulse drive, jump engine
-	basic docking
+	client console (ok)
+	entities (ok)
+	ship instances (ok)
+	network subsystem (ok)
+	entities (ok)
+	camera handling (ok)
+	keyboard bindings (ok)
+	zones (ok)
+	basic travelling: impulse drive, jump engine (ok)
+	basic docking (ok)
 
   ------------------------------------------------------------------
 
@@ -66,20 +66,17 @@
 	item info + lazy server-client exchange (ok)
 	trading (ok)
 	inventories (ok)
+	map entity descriptions (ok)
+	eject cargo/tractor beam (ok)
 
   Related:
 
-	map entity descriptions (ok)
-	eject cargo/tractor beam (ok) -> fx
-
+	beam particles
 	player-to-player trading
 	equipment trading
-	model weapon slots and positioning
 	
   Optional:
 
-	dockable player ships (ok)
-
 	fuel system
 	economy
 	per-item adjustabe depletion rate (won't do)
@@ -99,41 +96,53 @@
 		shop allows multiple buyers, p2p trading just one
 	player factory ships + base factories, per-item adjustabe conversion rate and ratio
 		e.g. 2 units of niobum to 1 superconductor per 30 seconds
-	player saving and network authentication
 	
+
+  Features:
+
+      	collision physics (ok)
+	collision meshes (ok)
+	dockable player ships (ok)
+
+	player saving and network authentication
+	zone chat
+
   ------------------------------------------------------------------
 
-  version 0.3.0 - Equipment
+  version 0.3.0 - Weapons and Equipment
 
   Description:
 
-	Players can buy and sell ship upgrades like armor and scanners,
-	this will require additional game mechanics.
 	Players can buy and sell weapons.
-
+	Players can buy and sell ship upgrades like armor and scanners,
+	
   Requires:
 	
 	cannons and turrets
 	cannon and turret models
+	model weapon slots and positioning
+	targetting
+	explosions, weapons fire and related sounds
+	equipment
+	weapon dealers and equipment traders
 
-  ------------------------------------------------------------------
+	improved particle systems	
 
-  version 0.4.0 - Physics
+  Features:
 
-  Requires:
+  ------------------------------------------------------------------
 
-	collision physics (box model collision implemented)
-	collision meshes
-	targetting
-	explosions, weapons fire and related sounds
+  version 0.4.0 - 
 
-	particle systems
+  Requires:
 
+  Features:
+	
   ------------------------------------------------------------------
 
-  version 0.5.0 - public alpha
+  version 0.5.0 - Public alpha
 
-  version 0.5.1 - bugfix release
+  version 0.5.1 - Bugfix release
 
   Description:
 
@@ -155,7 +164,7 @@
 
   ------------------------------------------------------------------
 
-  version 0.6.0 - NPC
+  version 0.6.0 - NPC's
 
   Requires:
 
@@ -189,4 +198,4 @@
 
   ------------------------------------------------------------------
 
-  version 2.0.0 - rewrite of the engine
+  version 2.0.0 - rewrite of the engine, singleplayer
diff --git a/developer/TODO b/developer/TODO
index 0e36ee0..69183f3 100644
--- a/developer/TODO
+++ b/developer/TODO
@@ -48,7 +48,6 @@ core:
 
 network:
 	protocol description (incomplete)
-	zone chat
 	group chat (requires player groups)
 	rcon authentication, rcon command, servers must be able to disable rcon
 	rconpassword: send md5sum instead of plaintext
@@ -65,6 +64,8 @@ network:
 	
 	reliable network messages (e.g. entity create/die)
 
+	(ok) zone chat
+
 client:
 	beam and eject cargo (commands implemented, needs UI and general FX)
 	add map window target model
diff --git a/src/client/client.cc b/src/client/client.cc
index 97cfc91..5b72146 100644
--- a/src/client/client.cc
+++ b/src/client/client.cc
@@ -365,10 +365,7 @@ void Client::notify_message(const core::Message::Channel channel, const std::str
 
 		case core::Message::Info:	// Info message
 			break;
-
-		case core::Message::Local:	// Chat message in the local zone
-			break;
-
+		
 		case core::Message::RCon:	// RCon message
 			break;
 
@@ -376,6 +373,9 @@ void Client::notify_message(const core::Message::Channel channel, const std::str
 			audio::play("com/chat");
 			break;
 
+		case core::Message::Local:	// Local chat message
+			break;
+
 		case core::Message::Private:	// Private chat message
 			audio::play("com/priv");
 			break;
diff --git a/src/core/application.cc b/src/core/application.cc
index c731833..ec7e89c 100644
--- a/src/core/application.cc
+++ b/src/core/application.cc
@@ -202,8 +202,11 @@ void Application::init(int count, char **arguments)
 	func = Func::add("disconnect", Application::func_disconnect);
 	func->set_info("leave the current game");
 
+	func = Func::add("shout", Application::func_shout);
+	func->set_info("shout [text] shout something on the global chat");
+	
 	func = Func::add("say", Application::func_say);
-	func->set_info("say [text] say something on the public chat");
+	func->set_info("say [text] say something on the local chat");
 
 	func = Func::add("msg", Application::func_msg);
 	func->set_info("msg [player] [text] send a private message to another player");
@@ -518,6 +521,17 @@ void Application::func_disconnect(std::string const  &args)
 	Application::instance()->disconnect();
 }
 
+void Application::func_shout(std::string const &args)
+{
+	if (connection()) {
+		connection()->shout(args);
+	} else if (server()) {
+		server()->shout(localplayer(), args);
+	} else {
+		con_print << "Not connected." << std::endl;
+	}
+}
+
 void Application::func_say(std::string const &args)
 {
 	if (connection()) {
diff --git a/src/core/application.h b/src/core/application.h
index fbaba9d..37b70c2 100644
--- a/src/core/application.h
+++ b/src/core/application.h
@@ -127,6 +127,7 @@ private:
 	static void func_quit(std::string const  &args);
 	static void func_connect(std::string const &args);
 	static void func_disconnect(std::string const  &args);
+	static void func_shout(std::string const &args);
 	static void func_say(std::string const &args);
 	static void func_msg(std::string const &args);
 	static void func_load(std::string const &args);
diff --git a/src/core/gameconnection.cc b/src/core/gameconnection.cc
index dee506a..ebd5a49 100644
--- a/src/core/gameconnection.cc
+++ b/src/core/gameconnection.cc
@@ -162,6 +162,14 @@ void GameConnection::say(std::string const &args)
 	connection_network->send_say(args);
 }
 
+void GameConnection::shout(std::string const &args)
+{
+	if (!connection_network->connected())
+		return;
+
+	connection_network->send_shout(args);
+}
+
 void GameConnection::private_message(std::string const &args)
 {
 	if (!connection_network->connected())
diff --git a/src/core/gameconnection.h b/src/core/gameconnection.h
index fdd5daf..1cc6deb 100644
--- a/src/core/gameconnection.h
+++ b/src/core/gameconnection.h
@@ -31,7 +31,10 @@ public:
 	/// forward a remote console command
 	void rcon(std::string const &cmdline);
 
-	/// localplayer sends a chat message to the public channel
+	/// localplayer sends a chat message to the global chat channel
+	void shout(std::string const &args);
+	
+	/// localplayer sends a chat message to the local chat channel
 	void say(std::string const &args);
 
 	/// localplayer sends a private message to another player
diff --git a/src/core/gameserver.cc b/src/core/gameserver.cc
index 1bd0dbe..d6f9029 100644
--- a/src/core/gameserver.cc
+++ b/src/core/gameserver.cc
@@ -255,7 +255,8 @@ Inventory *GameServer::request_inventory(Entity *entity)
 	
 }
 
-void GameServer::say(Player *player, std::string const &message)
+// global chat message
+void GameServer::shout(Player *player, std::string const &message)
 {
 	if (!message.size())
 		return;
@@ -265,14 +266,39 @@ void GameServer::say(Player *player, std::string const &message)
 		return;
 	}
 
+	// TODO strip color codes if requested
 	std::string notification("^B");
 	notification.append(player->name());
-	notification.append("^F:^N ");
+	notification.append("^B: ");
 	notification.append(message);
 
 	broadcast(Message::Public, notification);
 }
 
+// local chat message
+void GameServer::say(Player *player, std::string const &message)
+{
+	if (!message.size())
+		return;
+	
+	if(!player->zone())
+		return;
+
+	if (player->mute()) {
+		player->send("^WYou have been muted");
+		return;
+	}
+	
+	// TODO strip color codes if requested
+	std::string notification("^B");
+	notification.append(player->name());
+	notification.append("^B:^N ");
+	notification.append(message);
+	
+	broadcast(player->zone(), notification);
+}
+
+// player-to-player chat messages
 void GameServer::private_message(Player *player, std::string const &args)
 {
 	if (!args.size())
@@ -346,6 +372,29 @@ void GameServer::broadcast(const Message::Channel channel, const std::string tex
 	}
 }
 
+// broadcast a message to all players in a particular zone
+void GameServer::broadcast(Zone *zone, std::string const text, Player *ignore_player)
+{
+	if (!text.size())
+		return;
+
+	for (Players::iterator it = players().begin(); it != players().end(); it++) {
+		Player *player = (*it);
+		if ((player->zone() == zone) && (player != ignore_player)) {
+			Player *player = (*it);
+			player->message(Message::Local, text);
+		}
+	}
+
+	// console is not in the player list
+	if (Cvar::sv_dedicated->value()) {
+		std::string notification(zone->label());
+		notification += ' ';
+		notification.append(text);
+		localplayer()->message(Message::Local, notification);
+	}
+}
+
 // broadcast a sound event to all players
 void GameServer::broadcast_sound(const std::string name, Player *ignore_player)
 {
@@ -418,11 +467,13 @@ void GameServer::player_connect(Player *player)
 
 	player->player_id = server_maxplayerid++;
 
+	/*
 	std::string message("^B");
 	message.append(player->name());
 	message.append("^B connects.");
 	broadcast(message, player);
-
+	*/
+	
 	// notify the game module
 	server_module->player_connect(player);
 
diff --git a/src/core/gameserver.h b/src/core/gameserver.h
index f0cf88b..ab2bf92 100644
--- a/src/core/gameserver.h
+++ b/src/core/gameserver.h
@@ -43,7 +43,10 @@ public:
 	/// run a game server time frame
 	void frame(unsigned long timestamp);
 
-	/// a player sends a chat message to the public channel
+	/// a player sends a chat message to the global chat channel
+	void shout(Player *player, std::string const &args);
+	
+	/// a player sends a chat message to the local chat channel
 	void say(Player *player, std::string const &args);
 
 	/// a player sends a private message to another player
@@ -54,6 +57,9 @@ public:
 
 	/// broadcast an Info message to all players
 	void broadcast(std::string const message, Player *ignore_player = 0);
+	
+	/// broadcast an Info message to all players in a particular zone
+	void broadcast(Zone *zone, std::string const message, Player *ignore_player = 0);
 
 	/// broadcast a message to all players on a specified channel
 	void broadcast(Message::Channel const channel, std::string const message, Player *ignore_player = 0);
diff --git a/src/core/message.h b/src/core/message.h
index 3c53439..bab095d 100644
--- a/src/core/message.h
+++ b/src/core/message.h
@@ -14,7 +14,14 @@ class Message
 {
 
 public:
-	/// indicates the type of message
+	/**
+	 * @brief indicates the type of message
+	 * Info		info messages from the server to the player
+	 * Public	public global chat
+	 * Local	public local (zone) chat
+	 * Private	player to player private messages
+	 * RCon		rcon messages
+	 */
 	enum Channel {Info = 0, Public = 1, Local = 2, Private = 3, RCon = 4};
 };
 
diff --git a/src/core/net.h b/src/core/net.h
index f89d0d8..4607797 100644
--- a/src/core/net.h
+++ b/src/core/net.h
@@ -11,7 +11,7 @@ namespace core
 {
 
 /// network protocol version
-const unsigned int PROTOCOLVERSION = 21;
+const unsigned int PROTOCOLVERSION = 22;
 
 /// maximum lenght of a (compressed) network message block
 const unsigned int FRAMESIZE = 1152;
diff --git a/src/core/netclient.cc b/src/core/netclient.cc
index 46694a6..01de8b8 100644
--- a/src/core/netclient.cc
+++ b/src/core/netclient.cc
@@ -34,7 +34,7 @@ NetClient::NetClient(std::string host, int port, int fd) :
 		abort();
 		return;
 	}
-	con_print << host  << ":" << port << " connected." << std::endl;
+	con_print << host  << ":" << port << " connected" << std::endl;
 
 	client_addr.sin_family = AF_INET;
 	client_addr.sin_port = htons(port);
@@ -58,7 +58,7 @@ NetClient::NetClient(std::string host, int port, int fd) :
 
 NetClient::~NetClient()
 {
-	con_print << host()  << ":" << port() << " disconnected." << std::endl;
+	con_print << host()  << ":" << port() << " disconnected" << std::endl;
 	delete client_player;
 }
 
diff --git a/src/core/netconnection.cc b/src/core/netconnection.cc
index 15e57e2..262c956 100644
--- a/src/core/netconnection.cc
+++ b/src/core/netconnection.cc
@@ -393,10 +393,19 @@ void NetConnection::send_rcon(std::string const &cmdline)
 	this->send_raw(msg);
 }
 
+// send a "shout" chat message message to the server
+void NetConnection::send_shout(std::string const &text)
+{
+	std::string msg("msg public ");
+	msg.append(text);
+	msg += '\n';
+	this->send_raw(msg);
+}
+
 // send a "say" chat message message to the server
 void NetConnection::send_say(std::string const &text)
 {
-	std::string msg("say ");
+	std::string msg("msg local ");
 	msg.append(text);
 	msg += '\n';
 	this->send_raw(msg);
@@ -405,7 +414,7 @@ void NetConnection::send_say(std::string const &text)
 // send a "priv" private message to the server
 void NetConnection::send_private_message(std::string const &text)
 {
-	std::string msg("priv ");
+	std::string msg("msg private ");
 	msg.append(text);
 	msg += '\n';
 	this->send_raw(msg);
@@ -604,6 +613,12 @@ void NetConnection::parse_incoming_message(const std::string & message)
 				if (message.size() > 9) {
 					application()->notify_message(Message::RCon, message.substr(9));
 				}
+			} else if (level == "local") {
+				// FIXME - separate zone and sender nickname
+				if (message.size() > 10) {
+					application()->notify_message(Message::Local, message.substr(10));
+				}
+				
 			} else if (level == "public") {
 				// FIXME - separate sender nickname
 				if (message.size() > 11) {
diff --git a/src/core/netconnection.h b/src/core/netconnection.h
index ffab093..dc5dc27 100644
--- a/src/core/netconnection.h
+++ b/src/core/netconnection.h
@@ -67,8 +67,11 @@ public:
 	/// send an entity request
 	void send_entity_request(Entity *entity);
 	
-	/// send a chat message
+	/// send a local chat message
 	void send_say(std::string const &text);
+	
+	/// send a public chat message
+	void send_shout(std::string const &text);
 
 	/// send a private message
 	void send_private_message(std::string const &text);
diff --git a/src/core/netserver.cc b/src/core/netserver.cc
index 937d91b..f58f2d4 100644
--- a/src/core/netserver.cc
+++ b/src/core/netserver.cc
@@ -41,6 +41,8 @@ namespace core
 NetServer::NetServer(std::string const host, unsigned int const port)
 {
 	con_print << "^BInitializing network server..." << std::endl;
+	
+	con_debug << "  protocol version " << PROTOCOLVERSION << std::endl;
 
 	// initialize variables
 	netserver_fd = -1;
@@ -280,7 +282,7 @@ void NetServer::receive()
 
 NetClient * NetServer::client_connect(std::string const host, int const port)
 {
-	con_print << "Client " << host << ":" << port << " connected\n";
+	//con_print << "Client " << host << ":" << port << " connected\n";
 
 	NetClient *client = new NetClient(host, port, fd());
 	if (client->error()) {
@@ -651,8 +653,7 @@ void NetServer::send_inventory_update(NetClient *client, Entity *entity, const u
  * inf
  * pif
  * ping
- * say <text>
- * priv <player> <text>
+ * msg <channel> <text>
  * info <id>
  * req <id>
  * inv <id>
@@ -863,15 +864,26 @@ void NetServer::parse_incoming_message(NetClient *client, const std::string & me
 		}
 		return;
 
-	} else if (command.compare("say") == 0 ) {
-		if (message.size() > command.size() + 1) {
-			server()->say(client->player(), message.substr(command.size() + 1));
-		}
-		return;
-
-	} else if (command.compare("priv") == 0 ) {
-		if (message.size() > command.size() + 1) {
-			server()->private_message(client->player(), message.substr(command.size() + 1));
+	} else if (command.compare("msg") == 0 ) {
+		std::string channel;
+		msgstream >> channel;
+		
+		if (!channel.size())
+			return;
+		
+		const size_t subpos = command.size() + channel.size() + 2;
+		if (message.size() <= subpos)
+			return;
+		
+		if (channel.compare("public") == 0) {
+			server()->shout(client->player(), message.substr(subpos));
+			
+		} else if (channel.compare("local") == 0) {
+			server()->say(client->player(), message.substr(subpos));
+			
+		} else if (channel.compare("private") == 0) {
+			
+			server()->say(client->player(), message.substr(subpos));
 		}
 		return;
 	}
diff --git a/src/game/base/racetrack.cc b/src/game/base/racetrack.cc
index 67b8327..fd5d339 100644
--- a/src/game/base/racetrack.cc
+++ b/src/game/base/racetrack.cc
@@ -29,7 +29,7 @@ CheckPoint::CheckPoint(RaceTrack *parent)
 		die();
 	}
 	
-	set_flag(core::Entity::NonSolid);
+	//set_flag(core::Entity::NonSolid);
 }
 
 CheckPoint::~CheckPoint()
@@ -44,11 +44,13 @@ RaceTrack::RaceTrack() : EntityDynamic()
 	track_player = 0;
 	track_racestart = 0;
 	track_checkpointtime = 0;
+	track_record = 0;
+	
 	entity_moduletypeid = race_enttype;
 
 	set_state(core::Entity::NoPower);
 	set_flag(core::Entity::Dockable);
-	set_flag(core::Entity::NonSolid);
+	//set_flag(core::Entity::NonSolid);
 }
 
 RaceTrack::~RaceTrack()
@@ -104,7 +106,7 @@ void RaceTrack::func_dock(core::Entity *entity)
 
 	entity_timer = 5.0f;
 	std::string message("^B" + track_player->name() + " ^Bactivated the race! Race starts in 5...");
-	core::server()->broadcast(message);
+	core::server()->broadcast(zone(), message);
 	track_player->set_mission_target(this);
 	return;
 }
@@ -140,7 +142,7 @@ void RaceTrack::frame(float seconds)
 
 		if (math::distance(location(), player->control()->location()) > radius()) {
 			std::string message("^BNo cheating!");
-			core::server()->broadcast(message);
+			core::server()->broadcast(zone(), message);
 			reset_race();
 			return;
 		}
@@ -152,14 +154,14 @@ void RaceTrack::frame(float seconds)
 			if (entity_timer > 0) {
 				std::stringstream msgstr;
 				msgstr << "^B" << entity_timer << "...";
-				core::server()->broadcast(msgstr.str());
+				core::server()->broadcast(zone(), msgstr.str());
 				track_racestart = core::server()->time();
 			} else {
 				for (CheckPoints::iterator cpit = track_checkpoints.begin(); cpit != track_checkpoints.end(); ++cpit) {
 					(*cpit)->set_state(core::Entity::NoPower);
 				}
 				std::string message("^BGo!");
-				core::server()->broadcast(message);
+				core::server()->broadcast(zone(), message);
 
 				track_racestart = core::server()->time();
 				track_checkpointtime = core::server()->time() + 15.0f;
@@ -174,7 +176,7 @@ void RaceTrack::frame(float seconds)
 
 		if (core::server()->time() > track_checkpointtime) {
 			std::string message("^BToo slow, race lost!");
-			core::server()->broadcast(message);
+			core::server()->broadcast(zone(), message);
 
 			reset_race();
 			return;
@@ -187,7 +189,7 @@ void RaceTrack::frame(float seconds)
 			if (next_checkpoint != track_checkpoints.end()) {
 
 				std::string message("^BCheckpoint!");
-				core::server()->broadcast(message);
+				core::server()->broadcast(zone(), message);
 				track_checkpointtime = core::server()->time() + 15.0f;
 				(*track_checkpoint)->set_state(core::Entity::NoPower);
 				track_checkpoint++;
@@ -196,12 +198,25 @@ void RaceTrack::frame(float seconds)
 
 			} else {
 
+				float player_time = core::server()->time() - track_racestart;
+				const bool new_record = ((track_record > 0.0f) && (player_time > 0.0f) && (player_time < track_record));
+				
 				std::stringstream msgstr;
-				msgstr << "^BRace completed in " << core::server()->time() - track_racestart << " seconds!";
-				core::server()->broadcast(msgstr.str());
-
+				msgstr << "^B" << player->name() << "completed the race in " << player_time << " seconds";
+								
+				if (new_record) {
+					msgstr << ", a new record!";
+				} else {
+					msgstr << ".";
+				}
+				core::server()->broadcast(zone(), msgstr.str());
+				
 				// prize money
 				unsigned long the_prize = (unsigned long) floorf(10000.0f / (core::server()->time() - track_racestart));
+				if (track_record && new_record) {
+					the_prize += 1000.0f * (track_record - player_time);
+				}
+				
 				player->add_credits(the_prize);
 				msgstr.clear();
 				msgstr.str("");
@@ -209,6 +224,8 @@ void RaceTrack::frame(float seconds)
 				player->send(msgstr.str());
 				player->sound("game/buy");
 
+				if (new_record)
+					track_record = player_time;
 				reset_race();
 			}
 		}
diff --git a/src/game/base/racetrack.h b/src/game/base/racetrack.h
index da810a3..705039a 100644
--- a/src/game/base/racetrack.h
+++ b/src/game/base/racetrack.h
@@ -57,6 +57,7 @@ private:
 	float			track_racestart;
 	float			track_checkpointtime;
 	CheckPoints::iterator	track_checkpoint;
+	float			track_record;
 
 };
 
diff --git a/src/render/gl.cc b/src/render/gl.cc
index ebba733..e416943 100644
--- a/src/render/gl.cc
+++ b/src/render/gl.cc
@@ -14,10 +14,10 @@ using math::Vector2f;
 using math::Vector3f;
 using math::Color;
 
-genbuffers_func genbuffers = 0;
-deletebuffers_func deletebuffers = 0;
-bindbuffer_func bindbuffer = 0;
-bufferdata_func bufferdata = 0;
+genbuffers_func 	genbuffers = 0;
+deletebuffers_func 	deletebuffers = 0;
+bindbuffer_func 	bindbuffer = 0;
+bufferdata_func 	bufferdata = 0;
 
 std::string renderer()
 {
diff --git a/src/render/gl.h b/src/render/gl.h
index c230547..51e215c 100644
--- a/src/render/gl.h
+++ b/src/render/gl.h
@@ -20,35 +20,53 @@
 #ifdef _WIN32
 
 #ifndef GL_RESCALE_NORMAL
-#define GL_RESCALE_NORMAL                 0x803A
+#define GL_RESCALE_NORMAL	0x803A
 #endif
 
 #ifndef GL_TEXTURE_MAX_LEVEL
-#define GL_TEXTURE_MAX_LEVEL              0x813D
+#define GL_TEXTURE_MAX_LEVEL	0x813D
 #endif
 
 #ifndef GL_GENERATE_MIPMAP
-#define GL_GENERATE_MIPMAP                0x8191
+#define GL_GENERATE_MIPMAP	0x8191
 #endif
 
 #ifndef GL_REFLECTION_MAP
-#define GL_REFLECTION_MAP                 0x8512
+#define GL_REFLECTION_MAP	0x8512
 #endif
 
 #ifndef GL_CLAMP_TO_EDGE
-#define GL_CLAMP_TO_EDGE                  0x812F
+#define GL_CLAMP_TO_EDGE	0x812F
 #endif
 
 #ifndef GL_ARRAY_BUFFER
-#define GL_ARRAY_BUFFER 				  0x8892
+#define GL_ARRAY_BUFFER 	0x8892
 #endif
 
 #ifndef GL_STATIC_DRAW
-#define GL_STATIC_DRAW                    0x88E4
+#define GL_STATIC_DRAW		0x88E4
 #endif
 
 #endif // _WIN32
 
+/*
+ * @brief wrapper class for OpenGL functions
+ * The gl class accesses the OpenGL library functions
+ * through function pointers.
+ * This allows loading the library at runtime 
+ * and makes static builds possible
+ */
+/*
+class GL {
+
+private:
+	typedef void (* APIENTRY gl_genbuffers_func)(GLuint count, GLuint *id);
+	typedef void (* APIENTRY gl_deletebuffers_func)(GLuint count, GLuint *id);
+	typedef void (* APIENTRY gl_bindbuffer_func)(GLenum target, GLuint id);
+	typedef void (* APIENTRY gl_bufferdata_func)(GLenum target, GLsizei size, const GLvoid *data, GLenum usage);
+
+}
+*/
 /// wrapper namespace for OpenGL operations
 /** The gl namespace provides a wrapper to the OpenGL library functions.
  *  All methods take floats or Vector3f and Color as parameters.
@@ -83,6 +101,7 @@ void viewport(GLint x, GLint y, GLsizei width, GLsizei height);
 
 /// set the color used to clear to buffer
 void clearcolor(math::Color const &color);
+
 void clearcolor(const float r, const float g, const float b, const float a);
 
 /// clear buffers to preset values