Add: inform clients what game-script a server is running (#9441)

Co-authored-by: The Dude <thedude@novapolis.net>

src/lang/english.txt

@@ -2033,6 +2033,7 @@ STR_NETWORK_SERVER_LIST_SERVER_VERSION                          :{SILVER}Server
 STR_NETWORK_SERVER_LIST_SERVER_ADDRESS                          :{SILVER}Server address: {WHITE}{RAW_STRING}
 STR_NETWORK_SERVER_LIST_START_DATE                              :{SILVER}Start date: {WHITE}{DATE_SHORT}
 STR_NETWORK_SERVER_LIST_CURRENT_DATE                            :{SILVER}Current date: {WHITE}{DATE_SHORT}
+STR_NETWORK_SERVER_LIST_GAMESCRIPT                              :{SILVER}Game Script: {WHITE}{RAW_STRING} (v{NUM})
 STR_NETWORK_SERVER_LIST_PASSWORD                                :{SILVER}Password protected!
 STR_NETWORK_SERVER_LIST_SERVER_OFFLINE                          :{SILVER}SERVER OFFLINE
 STR_NETWORK_SERVER_LIST_SERVER_FULL                             :{SILVER}SERVER FULL

src/network/core/config.h

@@ -45,7 +45,7 @@ static const uint16 TCP_MTU                         = 32767;          ///< Numbe
 static const uint16 COMPAT_MTU                      = 1460;           ///< Number of bytes we can pack in a single packet for backward compatibility
 
 static const byte NETWORK_GAME_ADMIN_VERSION        =    1;           ///< What version of the admin network do we use?
-static const byte NETWORK_GAME_INFO_VERSION         =    4;           ///< What version of game-info do we use?
+static const byte NETWORK_GAME_INFO_VERSION         =    5;           ///< What version of game-info do we use?
 static const byte NETWORK_COMPANY_INFO_VERSION      =    6;           ///< What version of company info is this?
 static const byte NETWORK_COORDINATOR_VERSION       =    2;           ///< What version of game-coordinator-protocol do we use?
 

src/network/core/game_info.cpp

@@ -16,6 +16,8 @@
 #include "../../date_func.h"
 #include "../../debug.h"
 #include "../../map_func.h"
+#include "../../game/game.hpp"
+#include "../../game/game_info.hpp"
 #include "../../settings_type.h"
 #include "../../string_func.h"
 #include "../../rev.h"
@@ -195,6 +197,11 @@ void SerializeNetworkGameInfo(Packet *p, const NetworkServerGameInfo *info)
 	/* Update the documentation in game_info.h on changes
 	 * to the NetworkGameInfo wire-protocol! */
 
+	/* NETWORK_GAME_INFO_VERSION = 5 */
+	GameInfo *game_info = Game::GetInfo();
+	p->Send_uint32(game_info == nullptr ? -1 : (uint32)game_info->GetVersion());
+	p->Send_string(game_info == nullptr ? "" : game_info->GetName());
+
 	/* NETWORK_GAME_INFO_VERSION = 4 */
 	{
 		/* Only send the GRF Identification (GRF_ID and MD5 checksum) of
@@ -260,6 +267,12 @@ void DeserializeNetworkGameInfo(Packet *p, NetworkGameInfo *info)
 	 * to the NetworkGameInfo wire-protocol! */
 
 	switch (game_info_version) {
+		case 5: {
+			info->gamescript_version = (int)p->Recv_uint32();
+			info->gamescript_name = p->Recv_string(NETWORK_NAME_LENGTH);
+			FALLTHROUGH;
+		}
+
 		case 4: {
 			GRFConfig **dst = &info->grfconfig;
 			uint i;

src/network/core/game_info.h

@@ -76,6 +76,8 @@ struct NetworkServerGameInfo {
 	byte spectators_on;          ///< How many spectators do we have?
 	byte spectators_max;         ///< Max spectators allowed on server
 	byte landscape;              ///< The used landscape
+	int gamescript_version;      ///< Version of the gamescript.
+	std::string gamescript_name; ///< Name of the gamescript.
 };
 
 /**

src/network/network_gui.cpp

@@ -675,6 +675,13 @@ public:
 			DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_NETWORK_SERVER_LIST_CURRENT_DATE); // current date
 			y += FONT_HEIGHT_NORMAL;
 
+			if (sel->info.gamescript_version != -1) {
+				SetDParamStr(0, sel->info.gamescript_name);
+				SetDParam(1, sel->info.gamescript_version);
+				DrawString(r.left + WD_FRAMERECT_LEFT, r.right - WD_FRAMERECT_RIGHT, y, STR_NETWORK_SERVER_LIST_GAMESCRIPT); // gamescript name and version
+				y += FONT_HEIGHT_NORMAL;
+			}
+
 			y += WD_PAR_VSEP_NORMAL;
 
 			if (!sel->info.compatible) {