Add: inform clients what game-script a server is running

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}Gamescript: {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

@@ -55,7 +55,7 @@ static const uint16 TCP_MTU                       = 32767;        ///< Number of
 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       =    5;         ///< What version of game-info do we use?
+static const byte NETWORK_GAME_INFO_VERSION       =    6;         ///< 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_MASTER_SERVER_VERSION   =    2;         ///< What version of master-server-protocol do we use?
 static const byte NETWORK_COORDINATOR_VERSION     =    1;         ///< What version of game-coordinator-protocol do we use?

src/network/core/game_info.cpp

@@ -22,6 +22,8 @@
 #include "../network_func.h"
 #include "../network.h"
 #include "packet.h"
+#include "../../game/game.hpp"
+#include "../../game/game_info.hpp"
 
 #include "../../safeguards.h"
 
@@ -190,11 +192,16 @@ static void HandleIncomingNetworkGameInfoGRFConfig(GRFConfig *config, std::strin
  */
 void SerializeNetworkGameInfo(Packet *p, const NetworkServerGameInfo *info, GameInfoNewGRFMode newgrf_mode)
 {
-	p->Send_uint8 (NETWORK_GAME_INFO_VERSION);
+	p->Send_uint8(NETWORK_GAME_INFO_VERSION);
 
 	/* Update the documentation in game_info.h on changes
 	 * to the NetworkGameInfo wire-protocol! */
 
+	/* NETWORK_GAME_INFO_VERSION = 6 */
+	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 = 5 */
 	assert(info->join_key.empty() || info->join_key[0] == '+');
 	p->Send_string(info->join_key.empty() ? "" : info->join_key.substr(1));
@@ -269,6 +276,12 @@ void DeserializeNetworkGameInfo(Packet *p, NetworkGameInfo *info)
 
 	GameInfoNewGRFMode newgrf_mode = GAME_INFO_NEWGRF_MODE_SHORT;
 	switch (game_info_version) {
+		case 6: {
+			info->gamescript_version = (int)p->Recv_uint32();
+			info->gamescript_name = p->Recv_string(NETWORK_NAME_LENGTH);
+			FALLTHROUGH;
+		}
+
 		case 5: {
 			std::string join_key = p->Recv_string(NETWORK_JOIN_KEY_LENGTH);
 			info->join_key = join_key.empty() ? "" : "+" + join_key;

src/network/core/game_info.h

@@ -80,6 +80,8 @@ 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 @@ class NetworkGameWindow : public Window {
 			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) {
@@ -933,7 +940,7 @@ static const NWidgetPart _nested_network_game_widgets[] = {
 					EndContainer(),
 					NWidget(WWT_PANEL, COLOUR_LIGHT_BLUE, WID_NG_DETAILS),
 						NWidget(NWID_VERTICAL, NC_EQUALSIZE), SetPIP(5, 5, 5),
-							NWidget(WWT_EMPTY, INVALID_COLOUR, WID_NG_DETAILS_SPACER), SetMinimalSize(140, 0), SetMinimalTextLines(15, 24 + WD_PAR_VSEP_NORMAL), SetResize(0, 1), SetFill(1, 1), // Make sure it's at least this wide
+							NWidget(WWT_EMPTY, INVALID_COLOUR, WID_NG_DETAILS_SPACER), SetMinimalSize(270, 0), SetMinimalTextLines(15, 24 + WD_PAR_VSEP_NORMAL), SetResize(0, 1), SetFill(1, 1), // Make sure it's at least this wide
 							NWidget(NWID_HORIZONTAL, NC_NONE), SetPIP(5, 5, 5),
 								NWidget(NWID_SELECTION, INVALID_COLOUR, WID_NG_NEWGRF_MISSING_SEL),
 									NWidget(WWT_PUSHTXTBTN, COLOUR_WHITE, WID_NG_NEWGRF_MISSING), SetFill(1, 0), SetDataTip(STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_BUTTON, STR_NEWGRF_SETTINGS_FIND_MISSING_CONTENT_TOOLTIP),