Add support for money cheat in multiplayer

Add a setting for whether this is permitted by multiplayer clients

src/cheat_gui.cpp

@@ -54,7 +54,7 @@ static int32 _money_cheat_amount = 10000000;
  */
 static int32 ClickMoneyCheat(int32 p1, int32 p2)
 {
-	DoCommandP(0, (uint32)(p2 * _money_cheat_amount), 0, CMD_MONEY_CHEAT);
+	DoCommandP(0, (uint32)(p2 * _money_cheat_amount), 0, _network_server || _network_settings_access ? CMD_MONEY_CHEAT_ADMIN : CMD_MONEY_CHEAT);
 	return _money_cheat_amount;
 }
 
@@ -158,6 +158,7 @@ typedef int32 CheckButtonClick(int32 p1, int32 p2);
 enum CheatNetworkMode {
 	CNM_ALL,
 	CNM_LOCAL_ONLY,
+	CNM_MONEY,
 };
 
 /** Information of a cheat. */
@@ -175,7 +176,7 @@ struct CheatEntry {
  * Order matches with the values of #CheatNumbers
  */
 static const CheatEntry _cheats_ui[] = {
-	{CNM_LOCAL_ONLY, SLE_INT32, STR_CHEAT_MONEY,           &_money_cheat_amount,                    &_cheats.money.been_used,            &ClickMoneyCheat         },
+	{CNM_MONEY,      SLE_INT32, STR_CHEAT_MONEY,           &_money_cheat_amount,                    &_cheats.money.been_used,            &ClickMoneyCheat         },
 	{CNM_LOCAL_ONLY, SLE_UINT8, STR_CHEAT_CHANGE_COMPANY,  &_local_company,                         &_cheats.switch_company.been_used,   &ClickChangeCompanyCheat },
 	{CNM_ALL,        SLE_BOOL,  STR_CHEAT_EXTRA_DYNAMITE,  &_cheats.magic_bulldozer.value,          &_cheats.magic_bulldozer.been_used,  nullptr                  },
 	{CNM_ALL,        SLE_BOOL,  STR_CHEAT_CROSSINGTUNNELS, &_cheats.crossing_tunnels.value,         &_cheats.crossing_tunnels.been_used, nullptr                  },
@@ -185,6 +186,21 @@ static const CheatEntry _cheats_ui[] = {
 	{CNM_LOCAL_ONLY, SLE_INT32, STR_CHEAT_CHANGE_DATE,     &_cur_year,                              &_cheats.change_date.been_used,      &ClickChangeDateCheat    },
 };
 
+static bool IsCheatAllowed(CheatNetworkMode mode)
+{
+	switch (mode) {
+		case CNM_ALL:
+			return !_networking || _network_server || _network_settings_access;
+
+		case CNM_LOCAL_ONLY:
+			return !_networking;
+
+		case CNM_MONEY:
+			return !_networking || _network_server || _network_settings_access || _settings_game.difficulty.money_cheat_in_multiplayer;
+	}
+	return false;
+}
+
 assert_compile(CHT_NUM_CHEATS == lengthof(_cheats_ui));
 
 /** Widget definitions of the cheat GUI. */
@@ -230,7 +246,7 @@ struct CheatWindow : Window {
 
 		for (int i = 0; i != lengthof(_cheats_ui); i++) {
 			const CheatEntry *ce = &_cheats_ui[i];
-			if (_networking && ce->mode == CNM_LOCAL_ONLY) continue;
+			if (!IsCheatAllowed(ce->mode)) continue;
 
 			DrawSprite((*ce->been_used) ? SPR_BOX_CHECKED : SPR_BOX_EMPTY, PAL_NONE, box_left, y + icon_y_offset + 2);
 
@@ -283,7 +299,7 @@ struct CheatWindow : Window {
 		uint lines = 0;
 		for (int i = 0; i != lengthof(_cheats_ui); i++) {
 			const CheatEntry *ce = &_cheats_ui[i];
-			if (_networking && ce->mode == CNM_LOCAL_ONLY) continue;
+			if (!IsCheatAllowed(ce->mode)) continue;
 			lines++;
 			switch (ce->type) {
 				case SLE_BOOL:
@@ -335,7 +351,7 @@ struct CheatWindow : Window {
 
 		for (uint i = 0; i != lengthof(_cheats_ui) && i <= btn; i++) {
 			const CheatEntry *ce = &_cheats_ui[i];
-			if (_networking && ce->mode == CNM_LOCAL_ONLY) btn++;
+			if (!IsCheatAllowed(ce->mode)) btn++;
 		}
 
 		if (btn >= lengthof(_cheats_ui)) return;
@@ -379,7 +395,7 @@ struct CheatWindow : Window {
 
 		if (value != oldvalue) {
 			if (_networking) {
-				DoCommandP(0, (uint32)btn, (uint32)value, CMD_CHEAT_SETTING);
+				if (btn != CHT_MONEY) DoCommandP(0, (uint32)btn, (uint32)value, CMD_CHEAT_SETTING);
 			} else {
 				WriteValue(ce->variable, ce->type, (int64)value);
 			}
@@ -426,5 +442,7 @@ static WindowDesc _cheats_desc(
 void ShowCheatWindow()
 {
 	DeleteWindowById(WC_CHEATS, 0);
-	new CheatWindow(&_cheats_desc);
+	if (!_networking || _network_server || _network_settings_access || _settings_game.difficulty.money_cheat_in_multiplayer) {
+		new CheatWindow(&_cheats_desc);
+	}
 }

src/command.cpp

@@ -159,6 +159,7 @@ CommandProc CmdClearArea;
 
 CommandProc CmdGiveMoney;
 CommandProc CmdMoneyCheat;
+CommandProc CmdMoneyCheatAdmin;
 CommandProc CmdChangeBankBalance;
 CommandProc CmdCheatSetting;
 CommandProc CmdBuildCanal;
@@ -379,7 +380,8 @@ static const Command _command_proc_table[] = {
 
 	DEF_CMD(CmdClearArea,                            CMD_NO_TEST, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_CLEAR_AREA; destroying multi-tile houses makes town rating differ between test and execution
 
-	DEF_CMD(CmdMoneyCheat,                           CMD_OFFLINE, CMDT_CHEAT                 ), // CMD_MONEY_CHEAT
+	DEF_CMD(CmdMoneyCheat,                                     0, CMDT_CHEAT                 ), // CMD_MONEY_CHEAT
+	DEF_CMD(CmdMoneyCheatAdmin,                    CMD_SERVER_NS, CMDT_CHEAT                 ), // CMD_MONEY_CHEAT_ADMIN
 	DEF_CMD(CmdChangeBankBalance,                      CMD_DEITY, CMDT_MONEY_MANAGEMENT      ), // CMD_CHANGE_BANK_BALANCE
 	DEF_CMD(CmdCheatSetting,                          CMD_SERVER, CMDT_CHEAT                 ), // CMD_CHEAT_SETTING
 	DEF_CMD(CmdBuildCanal,                              CMD_AUTO, CMDT_LANDSCAPE_CONSTRUCTION), // CMD_BUILD_CANAL

src/command_type.h

@@ -317,6 +317,7 @@ enum Commands {
 	CMD_CLEAR_AREA,                   ///< clear an area
 
 	CMD_MONEY_CHEAT,                  ///< do the money cheat
+	CMD_MONEY_CHEAT_ADMIN,            ///< do the money cheat (admin mode)
 	CMD_CHANGE_BANK_BALANCE,          ///< change bank balance to charge costs or give money from a GS
 	CMD_CHEAT_SETTING,                ///< change a cheat setting
 	CMD_BUILD_CANAL,                  ///< build a canal

src/lang/english.txt

@@ -1188,6 +1188,8 @@ STR_CONFIG_SETTING_DISASTERS                                    :Disasters: {STR
 STR_CONFIG_SETTING_DISASTERS_HELPTEXT                           :Toggle disasters which may occasionally block or destroy vehicles or infrastructure
 STR_CONFIG_SETTING_CITY_APPROVAL                                :Town council's attitude towards area restructuring: {STRING2}
 STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT                       :Choose how much noise and environmental damage by companies affect their town rating and further construction actions in their area
+STR_MONEY_CHEAT_MULTIPLAYER                                     :Allow multiplayer clients to use the money cheat: {STRING2}
+STR_MONEY_CHEAT_MULTIPLAYER_HELPTEXT                            :If enabled, non-admin multiplayer clients can use the money cheat. The money cheat is always available in single-player mode, and to the multiplayer server admin.
 
 STR_CONFIG_SETTING_MAX_HEIGHTLEVEL                              :Maximum map height: {STRING2}
 STR_CONFIG_SETTING_MAX_HEIGHTLEVEL_HELPTEXT                     :Set the maximum allowed height for mountains on the map

src/main_gui.cpp

@@ -339,8 +339,12 @@ struct MainWindow : Window
 				break;
 
 			case GHK_MONEY: // Gimme money
-				/* You can only cheat for money in single player. */
+				/* You can only cheat for money in single player or when otherwise suitably authorised. */
-				if (!_networking) DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT);
+				if (!_networking || _settings_game.difficulty.money_cheat_in_multiplayer) {
+					DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT);
+				} else if (_network_server || _network_settings_access) {
+					DoCommandP(0, 10000000, 0, CMD_MONEY_CHEAT_ADMIN);
+				}
 				break;
 
 			case GHK_UPDATE_COORDS: // Update the coordinates of all station signs

src/misc_cmd.cpp

@@ -198,6 +198,29 @@ CommandCost CmdPause(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2,
  */
 CommandCost CmdMoneyCheat(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
 {
+	if (_networking && !_settings_game.difficulty.money_cheat_in_multiplayer) return CMD_ERROR;
+	if (flags & DC_EXEC) {
+		_cheats.money.been_used = true;
+		SetWindowDirty(WC_CHEATS, 0);
+	}
+	return CommandCost(EXPENSES_OTHER, -(int32)p1);
+}
+
+/**
+ * Change the financial flow of your company (admin).
+ * @param tile unused
+ * @param flags operation to perform
+ * @param p1 the amount of money to receive (if positive), or spend (if negative)
+ * @param p2 unused
+ * @param text unused
+ * @return the cost of this operation or an error
+ */
+CommandCost CmdMoneyCheatAdmin(TileIndex tile, DoCommandFlag flags, uint32 p1, uint32 p2, const char *text)
+{
+	if (flags & DC_EXEC) {
+		_cheats.money.been_used = true;
+		SetWindowDirty(WC_CHEATS, 0);
+	}
 	return CommandCost(EXPENSES_OTHER, -(int32)p1);
 }
 

src/settings.cpp

@@ -1273,6 +1273,12 @@ static bool DifficultyNoiseChange(int32 i)
 	return true;
 }
 
+static bool DifficultyMoneyCheatMultiplayerChange(int32 i)
+{
+	DeleteWindowById(WC_CHEATS, 0);
+	return true;
+}
+
 static bool MaxNoAIsChange(int32 i)
 {
 	if (GetGameSettings().difficulty.max_no_competitors != 0 &&

src/settings_gui.cpp

@@ -1983,6 +1983,7 @@ static SettingsContainer &GetSettingsTree()
 			ai->Add(new SettingEntry("economy.give_money"));
 			ai->Add(new SettingEntry("economy.allow_shares"));
 			ai->Add(new SettingEntry("economy.min_years_for_shares"));
+			ai->Add(new SettingEntry("difficulty.money_cheat_in_multiplayer"));
 		}
 
 		main->Init();

src/settings_type.h

@@ -67,6 +67,7 @@ struct DifficultySettings {
 	bool   line_reverse_mode;                ///< reversing at stations or not
 	bool   disasters;                        ///< are disasters enabled
 	byte   town_council_tolerance;           ///< minimum required town ratings to be allowed to demolish stuff
+	bool   money_cheat_in_multiplayer;       ///< is the money cheat permitted for non-admin multiplayer clients
 };
 
 /** Settings relating to viewport/smallmap scrolling. */

src/table/settings.ini

@@ -26,6 +26,7 @@ static bool ProgrammableSignalsShownChanged(int32);
 static bool VehListCargoFilterShownChanged(int32);
 static bool TownFoundingChanged(int32 p1);
 static bool DifficultyNoiseChange(int32 i);
+static bool DifficultyMoneyCheatMultiplayerChange(int32 i);
 static bool MaxNoAIsChange(int32 i);
 static bool CheckRoadSide(int p1);
 static bool ChangeMaxHeightLevel(int32 p1);
@@ -378,6 +379,16 @@ strhelp  = STR_CONFIG_SETTING_CITY_APPROVAL_HELPTEXT
 strval   = STR_CITY_APPROVAL_PERMISSIVE
 proc     = DifficultyNoiseChange
 
+[SDT_BOOL]
+base     = GameSettings
+var      = difficulty.money_cheat_in_multiplayer
+def      = false
+str      = STR_MONEY_CHEAT_MULTIPLAYER
+strhelp  = STR_MONEY_CHEAT_MULTIPLAYER_HELPTEXT
+proc     = DifficultyMoneyCheatMultiplayerChange
+cat      = SC_EXPERT
+patxname = ""cheat.difficulty.money_cheat_in_multiplayer""
+
 [SDTG_VAR]
 name     = ""diff_level""
 var      = _old_diff_level

src/toolbar_gui.cpp

@@ -2154,7 +2154,7 @@ struct MainToolbarWindow : Window {
 			case MTHK_ZOOMEDIN_SCREENSHOT: MenuClickScreenshot(SC_ZOOMEDIN); break;
 			case MTHK_DEFAULTZOOM_SCREENSHOT: MenuClickScreenshot(SC_DEFAULTZOOM); break;
 			case MTHK_GIANT_SCREENSHOT: MenuClickScreenshot(SC_WORLD); break;
-			case MTHK_CHEATS: if (!_networking || _network_server || _network_settings_access) ShowCheatWindow(); break;
+			case MTHK_CHEATS: ShowCheatWindow(); break;
 			case MTHK_TERRAFORM: ShowTerraformToolbar(); break;
 			case MTHK_EXTRA_VIEWPORT: ShowExtraViewPortWindowForTileUnderCursor(); break;
 			case MTHK_CLIENT_LIST: if (_networking) ShowClientList(); break;