sm-plugins/Radio/scripting/radio/settings.sp

//----------------------------------------------------------------------------------------------------
// Radio settings: per-player preferences stored as clientprefs cookies, exposed as a "Radio" entry
// in the stock Client Preferences menu (sm_settings / !settings) that opens a sub-menu with the
// voice-line volume and a toggle for receiving the custom radio commands (thanks, cheer).
//----------------------------------------------------------------------------------------------------

static Cookie g_hVolumeCookie;
static Cookie g_hCustomCookie;
static int g_iVolume[MAXPLAYERS + 1];
static bool g_bCustom[MAXPLAYERS + 1];

static const int g_iVolumeSteps[] = {100, 75, 50, 25, 0};

#define RADIO_VOLUME_DEFAULT 100

void Settings_Init()
{
	g_hVolumeCookie = new Cookie("radio_volume", "Radio voice line volume in percent (0 = off)", CookieAccess_Protected);
	g_hCustomCookie = new Cookie("radio_custom", "Receive the custom radio commands (thanks, cheer)", CookieAccess_Protected);
	SetCookieMenuItem(CookieMenu_Radio, 0, "Radio");

	// Late load: clients may already be in game with cached cookies.
	for (int i = 1; i <= MaxClients; i++)
	{
		g_iVolume[i] = RADIO_VOLUME_DEFAULT;
		g_bCustom[i] = true;
		if (IsClientConnected(i) && AreClientCookiesCached(i))
			OnClientCookiesCached(i);
	}
}

void Settings_OnClientConnected(int client)
{
	// until the cookies arrive
	g_iVolume[client] = RADIO_VOLUME_DEFAULT;
	g_bCustom[client] = true;
}

public void OnClientCookiesCached(int client)
{
	char val[8];
	g_hVolumeCookie.Get(client, val, sizeof(val));

	if (val[0]) // never set = keep the default
	{
		int volume = StringToInt(val);
		if (volume < 0)
			volume = 0;
		else if (volume > 100)
			volume = 100;

		g_iVolume[client] = volume;
	}

	g_hCustomCookie.Get(client, val, sizeof(val));
	if (val[0])
		g_bCustom[client] = StringToInt(val) != 0;
}

float Settings_GetVolume(int client)
{
	return g_iVolume[client] / 100.0;
}

bool Settings_GetCustom(int client)
{
	return g_bCustom[client];
}

public void CookieMenu_Radio(int client, CookieMenuAction action, any info, char[] buffer, int maxlen)
{
	switch (action)
	{
		case CookieMenuAction_DisplayOption:
		{
			FormatEx(buffer, maxlen, "Radio");
		}
		case CookieMenuAction_SelectOption:
		{
			Settings_ShowMainMenu(client);
		}
	}
}

static void Settings_ShowMainMenu(int client)
{
	Menu menu = new Menu(Menu_RadioMain);
	menu.SetTitle("Radio Settings");

	char display[64];

	FormatEx(display, sizeof(display), "Sound volume: %d%%", g_iVolume[client]);
	menu.AddItem("volume", display);

	FormatEx(display, sizeof(display), "Custom Radio (thanks, cheer): %s",
		g_bCustom[client] ? "Enabled" : "Disabled");
	menu.AddItem("custom", display);

	menu.ExitBackButton = true; // back to sm_settings
	menu.Display(client, MENU_TIME_FOREVER);
}

public int Menu_RadioMain(Menu menu, MenuAction action, int client, int param)
{
	switch (action)
	{
		case MenuAction_Select:
		{
			char item[8];
			menu.GetItem(param, item, sizeof(item));

			if (StrEqual(item, "volume"))
			{
				Settings_ShowVolumeMenu(client);
			}
			else if (StrEqual(item, "custom"))
			{
				g_bCustom[client] = !g_bCustom[client];
				g_hCustomCookie.Set(client, g_bCustom[client] ? "1" : "0");
				Settings_ShowMainMenu(client); // re-show with the new state
			}
		}
		case MenuAction_Cancel:
		{
			if (param == MenuCancel_ExitBack)
				ShowCookieMenu(client);
		}
		case MenuAction_End:
		{
			delete menu;
		}
	}
	return 0;
}

static void Settings_ShowVolumeMenu(int client)
{
	Menu menu = new Menu(Menu_RadioVolume);
	menu.SetTitle("Radio Sound Volume");

	char item[8], display[16];
	for (int i = 0; i < sizeof(g_iVolumeSteps); i++)
	{
		int volume = g_iVolumeSteps[i];
		IntToString(volume, item, sizeof(item));

		if (volume > 0)
			FormatEx(display, sizeof(display), "%d%%", volume);
		else
			strcopy(display, sizeof(display), "Off");

		if (volume == g_iVolume[client])
			StrCat(display, sizeof(display), " <<");

		menu.AddItem(item, display);
	}

	menu.ExitBackButton = true; // back to the Radio sub-menu
	menu.Display(client, MENU_TIME_FOREVER);
}

public int Menu_RadioVolume(Menu menu, MenuAction action, int client, int param)
{
	switch (action)
	{
		case MenuAction_Select:
		{
			char item[8];
			menu.GetItem(param, item, sizeof(item));

			int volume = StringToInt(item);
			g_iVolume[client] = volume;

			char val[8];
			IntToString(volume, val, sizeof(val));
			g_hVolumeCookie.Set(client, val);

			Settings_ShowVolumeMenu(client); // re-show with the new pick marked
		}
		case MenuAction_Cancel:
		{
			if (param == MenuCancel_ExitBack)
				Settings_ShowMainMenu(client);
		}
		case MenuAction_End:
		{
			delete menu;
		}
	}
	return 0;
}