Codechange: just pass the SettingDesc to SetSettingValue and remove distinction between (non)company

6 files changed, 54 insertions, 83 deletions

diff --git a/src/network/network_gui.cpp b/src/network/network_gui.cpp
index f0c28530a..e37843db8 100644
--- a/src/network/network_gui.cpp
+++ b/src/network/network_gui.cpp
@@ -2199,9 +2199,7 @@ public:
 			case WID_CL_SERVER_NAME_EDIT: {
 				if (!_network_server) break;
 
-				uint index;
-				GetSettingFromName("network.server_name", &index);
-				SetSettingValue(index, StrEmpty(str) ? "Unnamed Server" : str);
+				SetSettingValue(GetSettingFromName("network.server_name"), StrEmpty(str) ? "Unnamed Server" : str);
 				this->InvalidateData();
 				break;
 			}
@@ -2210,9 +2208,7 @@ public:
 				std::string client_name(str);
 				if (!NetworkValidateClientName(client_name)) break;
 
-				uint index;
-				GetSettingFromName("network.client_name", &index);
-				SetSettingValue(index, client_name.c_str());
+				SetSettingValue(GetSettingFromName("network.client_name"), client_name.c_str());
 				this->InvalidateData();
 				break;
 			}
diff --git a/src/news_gui.cpp b/src/news_gui.cpp
index e3fb60033..58d62dde8 100644
--- a/src/news_gui.cpp
+++ b/src/news_gui.cpp
@@ -253,8 +253,7 @@ static_assert(lengthof(_news_type_data) == NT_END);
  */
 NewsDisplay NewsTypeData::GetDisplay() const
 {
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(this->name, &index);
+	const SettingDesc *sd = GetSettingFromName(this->name);
 	assert(sd != nullptr);
 	void *ptr = GetVariableAddress(nullptr, &sd->save);
 	return (NewsDisplay)ReadValue(ptr, sd->save.conv);
diff --git a/src/script/api/script_gamesettings.cpp b/src/script/api/script_gamesettings.cpp
index 2717d4ddd..12435d253 100644
--- a/src/script/api/script_gamesettings.cpp
+++ b/src/script/api/script_gamesettings.cpp
@@ -17,8 +17,7 @@
 
 /* static */ bool ScriptGameSettings::IsValid(const char *setting)
 {
-	uint i;
-	const SettingDesc *sd = GetSettingFromName(setting, &i);
+	const SettingDesc *sd = GetSettingFromName(setting);
 	return sd != nullptr && sd->desc.cmd != SDT_STDSTRING;
 }
 
@@ -26,8 +25,7 @@
 {
 	if (!IsValid(setting)) return -1;
 
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(setting, &index);
+	const SettingDesc *sd = GetSettingFromName(setting);
 
 	void *ptr = GetVariableAddress(&_settings_game, &sd->save);
 	if (sd->desc.cmd == SDT_BOOLX) return *(bool*)ptr;
@@ -39,13 +37,12 @@
 {
 	if (!IsValid(setting)) return false;
 
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(setting, &index);
+	const SettingDesc *sd = GetSettingFromName(setting);
 
 	if ((sd->save.conv & SLF_NO_NETWORK_SYNC) != 0) return false;
 	if (sd->desc.cmd != SDT_BOOLX && sd->desc.cmd != SDT_NUMX) return false;
 
-	return ScriptObject::DoCommand(0, index, value, CMD_CHANGE_SETTING);
+	return ScriptObject::DoCommand(0, GetSettingIndex(sd), value, CMD_CHANGE_SETTING);
 }
 
 /* static */ bool ScriptGameSettings::IsDisabledVehicleType(ScriptVehicle::VehicleType vehicle_type)
diff --git a/src/settings.cpp b/src/settings.cpp
index 6882179eb..5d4e92b35 100644
--- a/src/settings.cpp
+++ b/src/settings.cpp
@@ -1949,15 +1949,36 @@ CommandCost CmdChangeCompanySetting(TileIndex tile, DoCommandFlag flags, uint32
 }
 
 /**
+ * Get the index of the setting with this description.
+ * @param sd the setting to get the index for.
+ * @return the index of the setting to be used for CMD_CHANGE_SETTING.
+ */
+uint GetSettingIndex(const SettingDesc *sd)
+{
+	assert((sd->desc.flags & SGF_PER_COMPANY) == 0);
+	return sd - _settings;
+}
+
+/**
  * Top function to save the new value of an element of the Settings struct
  * @param index offset in the SettingDesc array of the Settings struct which
  * identifies the setting member we want to change
  * @param value new value of the setting
  * @param force_newgame force the newgame settings
  */
-bool SetSettingValue(uint index, int32 value, bool force_newgame)
+bool SetSettingValue(const SettingDesc *sd, int32 value, bool force_newgame)
 {
-	const SettingDesc *sd = &_settings[index];
+	if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
+		if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
+			return DoCommandP(0, sd - _company_settings, value, CMD_CHANGE_COMPANY_SETTING);
+		}
+
+		void *var = GetVariableAddress(&_settings_client.company, &sd->save);
+		Write_ValidateSetting(var, sd, value);
+		if (sd->desc.proc != nullptr) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
+		return true;
+	}
+
 	/* If an item is company-based, we do not send it over the network
 	 * (if any) to change. Also *hack*hack* we update the _newgame version
 	 * of settings because changing a company-based setting in a game also
@@ -1988,30 +2009,12 @@ bool SetSettingValue(uint index, int32 value, bool force_newgame)
 
 	/* send non-company-based settings over the network */
 	if (!_networking || (_networking && _network_server)) {
-		return DoCommandP(0, index, value, CMD_CHANGE_SETTING);
+		return DoCommandP(0, GetSettingIndex(sd), value, CMD_CHANGE_SETTING);
 	}
 	return false;
 }
 
 /**
- * Top function to save the new value of an element of the Settings struct
- * @param index offset in the SettingDesc array of the CompanySettings struct
- * which identifies the setting member we want to change
- * @param value new value of the setting
- */
-void SetCompanySetting(uint index, int32 value)
-{
-	const SettingDesc *sd = &_company_settings[index];
-	if (Company::IsValidID(_local_company) && _game_mode != GM_MENU) {
-		DoCommandP(0, index, value, CMD_CHANGE_COMPANY_SETTING);
-	} else {
-		void *var = GetVariableAddress(&_settings_client.company, &sd->save);
-		Write_ValidateSetting(var, sd, value);
-		if (sd->desc.proc != nullptr) sd->desc.proc((int32)ReadValue(var, sd->save.conv));
-	}
-}
-
-/**
  * Set the company settings for a new company to their default values.
  */
 void SetDefaultCompanySettings(CompanyID cid)
@@ -2047,23 +2050,20 @@ void SyncCompanySettings()
  */
 uint GetCompanySettingIndex(const char *name)
 {
-	uint i;
-	const SettingDesc *sd = GetSettingFromName(name, &i);
-	(void)sd; // Unused without asserts
+	const SettingDesc *sd = GetSettingFromName(name);
 	assert(sd != nullptr && (sd->desc.flags & SGF_PER_COMPANY) != 0);
-	return i;
+	return sd - _company_settings;
 }
 
 /**
  * Set a setting value with a string.
- * @param index the settings index.
+ * @param sd the setting to change.
  * @param value the value to write
  * @param force_newgame force the newgame settings
  * @note Strings WILL NOT be synced over the network
  */
-bool SetSettingValue(uint index, const char *value, bool force_newgame)
+bool SetSettingValue(const SettingDesc *sd, const char *value, bool force_newgame)
 {
-	const SettingDesc *sd = &_settings[index];
 	assert(sd->save.conv & SLF_NO_NETWORK_SYNC);
 
 	if (GetVarMemType(sd->save.conv) == SLE_VAR_STRQ && strcmp(value, "(null)") == 0) {
@@ -2085,18 +2085,16 @@ bool SetSettingValue(uint index, const char *value, bool force_newgame)
  * @return Pointer to the setting description of setting \a name if it can be found,
  *         \c nullptr indicates failure to obtain the description
  */
-const SettingDesc *GetSettingFromName(const char *name, uint *i)
+const SettingDesc *GetSettingFromName(const char *name)
 {
-	const SettingDesc *sd;
-
 	/* First check all full names */
-	for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
+	for (const SettingDesc *sd = _settings; sd->save.cmd != SL_END; sd++) {
 		if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
 		if (strcmp(sd->desc.name, name) == 0) return sd;
 	}
 
 	/* Then check the shortcut variant of the name. */
-	for (*i = 0, sd = _settings; sd->save.cmd != SL_END; sd++, (*i)++) {
+	for (const SettingDesc *sd = _settings; sd->save.cmd != SL_END; sd++) {
 		if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
 		const char *short_name = strchr(sd->desc.name, '.');
 		if (short_name != nullptr) {
@@ -2107,7 +2105,7 @@ const SettingDesc *GetSettingFromName(const char *name, uint *i)
 
 	if (strncmp(name, "company.", 8) == 0) name += 8;
 	/* And finally the company-based settings */
-	for (*i = 0, sd = _company_settings; sd->save.cmd != SL_END; sd++, (*i)++) {
+	for (const SettingDesc *sd = _company_settings; sd->save.cmd != SL_END; sd++) {
 		if (!SlIsObjectCurrentlyValid(sd->save.version_from, sd->save.version_to)) continue;
 		if (strcmp(sd->desc.name, name) == 0) return sd;
 	}
@@ -2119,8 +2117,7 @@ const SettingDesc *GetSettingFromName(const char *name, uint *i)
  * and besides, it is also better to keep stuff like this at the same place */
 void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
 {
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(name, &index);
+	const SettingDesc *sd = GetSettingFromName(name);
 
 	if (sd == nullptr) {
 		IConsolePrintF(CC_WARNING, "'%s' is an unknown setting.", name);
@@ -2129,7 +2126,7 @@ void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
 
 	bool success;
 	if (sd->desc.cmd == SDT_STDSTRING) {
-		success = SetSettingValue(index, value, force_newgame);
+		success = SetSettingValue(sd, value, force_newgame);
 	} else {
 		uint32 val;
 		extern bool GetArgumentInteger(uint32 *value, const char *arg);
@@ -2139,7 +2136,7 @@ void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
 			return;
 		}
 
-		success = SetSettingValue(index, val, force_newgame);
+		success = SetSettingValue(sd, val, force_newgame);
 	}
 
 	if (!success) {
@@ -2153,11 +2150,9 @@ void IConsoleSetSetting(const char *name, const char *value, bool force_newgame)
 
 void IConsoleSetSetting(const char *name, int value)
 {
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(name, &index);
-	(void)sd; // Unused without asserts
+	const SettingDesc *sd = GetSettingFromName(name);
 	assert(sd != nullptr);
-	SetSettingValue(index, value);
+	SetSettingValue(sd, value);
 }
 
 /**
@@ -2168,8 +2163,7 @@ void IConsoleSetSetting(const char *name, int value)
 void IConsoleGetSetting(const char *name, bool force_newgame)
 {
 	char value[20];
-	uint index;
-	const SettingDesc *sd = GetSettingFromName(name, &index);
+	const SettingDesc *sd = GetSettingFromName(name);
 	const void *ptr;
 
 	if (sd == nullptr) {
diff --git a/src/settings_gui.cpp b/src/settings_gui.cpp
index 664cfbd21..b069d2706 100644
--- a/src/settings_gui.cpp
+++ b/src/settings_gui.cpp
@@ -826,7 +826,6 @@ protected:
 struct SettingEntry : BaseSettingEntry {
 	const char *name;           ///< Name of the setting
 	const SettingDesc *setting; ///< Setting description of the setting
-	uint index;                 ///< Index of the setting in the settings table
 
 	SettingEntry(const char *name);
 
@@ -1021,7 +1020,6 @@ SettingEntry::SettingEntry(const char *name)
 {
 	this->name = name;
 	this->setting = nullptr;
-	this->index = 0;
 }
 
 /**
@@ -1031,7 +1029,7 @@ SettingEntry::SettingEntry(const char *name)
 void SettingEntry::Init(byte level)
 {
 	BaseSettingEntry::Init(level);
-	this->setting = GetSettingFromName(this->name, &this->index);
+	this->setting = GetSettingFromName(this->name);
 	assert(this->setting != nullptr);
 }
 
@@ -1039,7 +1037,7 @@ void SettingEntry::Init(byte level)
 void SettingEntry::ResetAll()
 {
 	int32 default_value = ReadValue(&this->setting->desc.def, this->setting->save.conv);
-	SetSettingValue(this->index, default_value);
+	SetSettingValue(this->setting, default_value);
 }
 
 /**
@@ -2288,11 +2286,7 @@ struct GameSettingsWindow : Window {
 			}
 
 			if (value != oldvalue) {
-				if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
-					SetCompanySetting(pe->index, value);
-				} else {
-					SetSettingValue(pe->index, value);
-				}
+				SetSettingValue(sd, value);
 				this->SetDirty();
 			}
 		} else {
@@ -2340,11 +2334,7 @@ struct GameSettingsWindow : Window {
 			value = (int32)(size_t)sd->desc.def;
 		}
 
-		if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
-			SetCompanySetting(this->valuewindow_entry->index, value);
-		} else {
-			SetSettingValue(this->valuewindow_entry->index, value);
-		}
+		SetSettingValue(this->valuewindow_entry->setting, value);
 		this->SetDirty();
 	}
 
@@ -2380,12 +2370,7 @@ struct GameSettingsWindow : Window {
 					const SettingDesc *sd = this->valuedropdown_entry->setting;
 					assert(sd->desc.flags & SGF_MULTISTRING);
 
-					if ((sd->desc.flags & SGF_PER_COMPANY) != 0) {
-						SetCompanySetting(this->valuedropdown_entry->index, index);
-					} else {
-						SetSettingValue(this->valuedropdown_entry->index, index);
-					}
-
+					SetSettingValue(sd, index);
 					this->SetDirty();
 				}
 				break;
diff --git a/src/settings_internal.h b/src/settings_internal.h
index d5f237f3c..225bb7195 100644
--- a/src/settings_internal.h
+++ b/src/settings_internal.h
@@ -123,9 +123,9 @@ struct SettingDesc {
  * offset in a certain struct */
 typedef SettingDesc SettingDescGlobVarList;
 
-const SettingDesc *GetSettingFromName(const char *name, uint *i);
-bool SetSettingValue(uint index, int32 value, bool force_newgame = false);
-bool SetSettingValue(uint index, const char *value, bool force_newgame = false);
-void SetCompanySetting(uint index, int32 value);
+const SettingDesc *GetSettingFromName(const char *name);
+bool SetSettingValue(const SettingDesc *sd, int32 value, bool force_newgame = false);
+bool SetSettingValue(const SettingDesc *sd, const char *value, bool force_newgame = false);
+uint GetSettingIndex(const SettingDesc *sd);
 
 #endif /* SETTINGS_INTERNAL_H */