From d5baf25923869c6ec06ed31f387d8e59bf76066d Mon Sep 17 00:00:00 2001
From: Darkvater <darkvater@openttd.org>
Date: Sun, 15 Oct 2006 23:48:34 +0000
Subject: (svn r6787) -Codechange: Use PLAYER_NEW_COMPANY as a player
 identifier wishing to become a  new player instead of a 0.

---
 console_cmds.c   | 16 ++++++++++++++--
 network_client.c |  3 ++-
 network_gui.c    |  4 ++--
 network_server.c |  8 +++++++-
 openttd.c        |  5 ++++-
 player.h         |  3 ++-
 6 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/console_cmds.c b/console_cmds.c
index f49537ff0..eccf45258 100644
--- a/console_cmds.c
+++ b/console_cmds.c
@@ -739,7 +739,8 @@ DEF_CONSOLE_CMD(ConNetworkConnect)
 
 	if (argc == 0) {
 		IConsoleHelp("Connect to a remote OTTD server and join the game. Usage: 'connect <ip>'");
-		IConsoleHelp("IP can contain port and player: 'IP#Player:Port', eg: 'server.ottd.org#2:443'");
+		IConsoleHelp("IP can contain port and player: 'IP[[#Player]:Port]', eg: 'server.ottd.org#2:443'");
+		IConsoleHelp("Player #0 is new company, #255 is spectator all others are a certain company");
 		return true;
 	}
 
@@ -749,14 +750,25 @@ DEF_CONSOLE_CMD(ConNetworkConnect)
 		NetworkDisconnect();
 
 	ip = argv[1];
+	/* Default settings: default port and new company */
 	rport = NETWORK_DEFAULT_PORT;
+	_network_playas = PLAYER_NEW_COMPANY;
 
 	ParseConnectionString(&player, &port, ip);
 
 	IConsolePrintF(_icolour_def, "Connecting to %s...", ip);
 	if (player != NULL) {
 		_network_playas = atoi(player);
-		IConsolePrintF(_icolour_def, "    player-no: %s", player);
+		IConsolePrintF(_icolour_def, "    player-no: %d", _network_playas);
+
+		/* From a user pov 0 is a new player, internally it's different and all
+		 * players are offset by one to ease up on users (eg players 1-8 not 0-7) */
+		if (_network_playas == 0) _network_playas = PLAYER_NEW_COMPANY;
+		if (!IsValidPlayer(_network_playas - 1) &&
+			  (_network_playas != PLAYER_SPECTATOR &&
+			   _network_playas != PLAYER_NEW_COMPANY)) {
+			return false;
+		}
 	}
 	if (port != NULL) {
 		rport = atoi(port);
diff --git a/network_client.c b/network_client.c
index 836c0611d..f9cec7feb 100644
--- a/network_client.c
+++ b/network_client.c
@@ -511,7 +511,8 @@ DEF_CLIENT_RECEIVE_COMMAND(PACKET_SERVER_MAP)
 		// Say we received the map and loaded it correctly!
 		SEND_COMMAND(PACKET_CLIENT_MAP_OK)();
 
-		if (_network_playas == 0 || _network_playas > MAX_PLAYERS ||
+		// new company/spectator (invalid player) or company we want to join is not active
+		if (_network_playas == PLAYER_NEW_COMPANY || !IsValidPlayer(_network_playas - 1) ||
 				!GetPlayer(_network_playas - 1)->is_active) {
 
 			if (_network_playas == PLAYER_SPECTATOR) {
diff --git a/network_gui.c b/network_gui.c
index c841eae42..cd6ab6d99 100644
--- a/network_gui.c
+++ b/network_gui.c
@@ -929,7 +929,7 @@ static void NetworkLobbyWindowWndProc(Window *w, WindowEvent *e)
 			}
 			break;
 		case 8: /* New company */
-			_network_playas = 0;
+			_network_playas = PLAYER_NEW_COMPANY;
 			NetworkClientConnectGame(_network_last_host, _network_last_port);
 			break;
 		case 9: /* Spectate game */
@@ -1195,7 +1195,7 @@ static Window *PopupClientList(Window *w, int client_no, int x, int y)
 	_clientlist_proc[i++] = &ClientList_SpeakToAll;
 
 	if (_network_own_client_index != ci->client_index) {
-		if (_network_playas >= 1 && _network_playas <= MAX_PLAYERS) {
+		if (IsValidPlayer(_network_playas - 1)) {
 			// We are no spectator
 			if (ci->client_playas >= 1 && ci->client_playas <= MAX_PLAYERS) {
 				GetString(_clientlist_action[i], STR_NETWORK_CLIENTLIST_GIVE_MONEY);
diff --git a/network_server.c b/network_server.c
index 51c11ba83..42fc6efe0 100644
--- a/network_server.c
+++ b/network_server.c
@@ -596,7 +596,7 @@ DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
 
 	// join another company does not affect these values
 	switch (playas) {
-		case 0: /* New company */
+		case PLAYER_NEW_COMPANY: /* New company */
 			if (ActivePlayerCount() >= _network_game_info.companies_max) {
 				SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_FULL);
 				return;
@@ -608,6 +608,12 @@ DEF_SERVER_RECEIVE_COMMAND(PACKET_CLIENT_JOIN)
 				return;
 			}
 			break;
+		default: /* Join another company (companies 1-8) */
+			if (!IsValidPlayer(playas - 1)) {
+				SEND_COMMAND(PACKET_SERVER_ERROR)(cs, NETWORK_ERROR_PLAYER_MISMATCH);
+				return;
+			}
+			break;
 	}
 
 	// We need a valid name.. make it Player
diff --git a/openttd.c b/openttd.c
index 7bbd25023..dc046c9ab 100644
--- a/openttd.c
+++ b/openttd.c
@@ -480,7 +480,10 @@ int ttd_main(int argc, char *argv[])
 
 			ParseConnectionString(&player, &port, network_conn);
 
-			if (player != NULL) _network_playas = atoi(player);
+			if (player != NULL) {
+				_network_playas = atoi(player);
+				if (_network_playas == 0) _network_playas = PLAYER_NEW_COMPANY;
+			}
 			if (port != NULL) rport = atoi(port);
 
 			LoadIntroGame();
diff --git a/player.h b/player.h
index 0b17c3d4b..5d560d442 100644
--- a/player.h
+++ b/player.h
@@ -213,7 +213,8 @@ VARDEF PlayerID _current_player;
 
 /* Player identifiers All players below MAX_PLAYERS are playable
  * players, above, they are special, computer controlled players */
-enum {
+enum Players {
+	PLAYER_NEW_COMPANY = 254, ///< Command 'player' in Multiplayer to create a new company
 	PLAYER_SPECTATOR   = 255, ///< Spectator in Multiplayer or the player in the scenario editor
 	MAX_PLAYERS        = 8,
 };
-- 
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