/**

 * vim: set ts=4 :

 * =============================================================================

 * SourceMod Rock The Vote Plugin

 * Creates a map vote when the required number of players have requested one.

 *

 * SourceMod (C)2004-2007 AlliedModders LLC.  All rights reserved.

 * =============================================================================

 *

 * This program is free software; you can redistribute it and/or modify it under

 * the terms of the GNU General Public License, version 3.0, as published by the

 * Free Software Foundation.

 * 

 * This program is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

 * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

 * details.

 *

 * You should have received a copy of the GNU General Public License along with

 * this program.  If not, see <http://www.gnu.org/licenses/>.

 *

 * As a special exception, AlliedModders LLC gives you permission to link the

 * code of this program (as well as its derivative works) to "Half-Life 2," the

 * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

 * by the Valve Corporation.  You must obey the GNU General Public License in

 * all respects for all other code used.  Additionally, AlliedModders LLC grants

 * this exception to all derivative works.  AlliedModders LLC defines further

 * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

 * or <http://www.sourcemod.net/license.php>.

 *

 * Version: $Id$

 */

#include <sourcemod>

#pragma semicolon 1

public Plugin:myinfo =

{

	name = "Rock The Vote",

	author = "AlliedModders LLC",

	description = "Provides RTV Map Voting",

	version = SOURCEMOD_VERSION,

	url = "http://www.sourcemod.net/"

};

new Handle:g_Cvar_Needed = INVALID_HANDLE;

new Handle:g_Cvar_File = INVALID_HANDLE;

new Handle:g_Cvar_Maps = INVALID_HANDLE;

new Handle:g_Cvar_Nominate = INVALID_HANDLE;

new Handle:g_Cvar_MinPlayers = INVALID_HANDLE;

new Handle:g_MapList = INVALID_HANDLE;

new Handle:g_RTVMapList = INVALID_HANDLE;

new Handle:g_MapMenu = INVALID_HANDLE;

new Handle:g_RetryTimer = INVALID_HANDLE;

new g_mapFileTime;

new bool:g_CanRTV = false;		// True if RTV loaded maps and is active.

new bool:g_RTVAllowed = false;	// True if RTV is available to players. Used to delay rtv votes.

new bool:g_RTVStarted = false;	// Indicates that the actual map vote has started

new bool:g_RTVEnded = false;	// Indicates that the actual map vote has concluded

new g_Voters = 0;				// Total voters connected. Doesn't include fake clients.

new g_Votes = 0;				// Total number of "say rtv" votes

new g_VotesNeeded = 0;			// Necessary votes before map vote begins. (voters * percent_needed)

new bool:g_Voted[MAXPLAYERS+1] = {false, ...};

new bool:g_Nominated[MAXPLAYERS+1] = {false, ...};

public OnPluginStart()

{

	LoadTranslations("common.phrases");

	LoadTranslations("rockthevote.phrases");

	g_MapList = CreateArray(33);

	g_RTVMapList = CreateArray(33);

	g_Cvar_Needed = CreateConVar("sm_rtv_needed", "0.60", "Percentage of players needed to rockthevote (Def 60%)", 0, true, 0.05, true, 1.0);

	g_Cvar_File = CreateConVar("sm_rtv_file", "configs/maps.ini", "Map file to use. (Def configs/maps.ini)");

	g_Cvar_Maps = CreateConVar("sm_rtv_maps", "4", "Number of maps to be voted on. 2 to 6. (Def 4)", 0, true, 2.0, true, 6.0);

	g_Cvar_Nominate = CreateConVar("sm_rtv_nominate", "1", "Enables nomination system.", 0, true, 0.0, true, 1.0);

	g_Cvar_MinPlayers = CreateConVar("sm_rtv_minplayers", "0", "Number of players required before RTV will be enabled.", 0, true, 0.0, true, float(MAXPLAYERS));

	RegConsoleCmd("say", Command_Say);

	RegConsoleCmd("say_team", Command_Say);

	RegAdminCmd("sm_rtv_addmap", Command_Addmap, ADMFLAG_CHANGEMAP, "sm_rtv_addmap <mapname> - Forces a map to be on the RTV, and lowers the allowed nominations.");

	AutoExecConfig(true, "rtv");

}

public OnMapStart()

{

	if (g_RTVMapList != INVALID_HANDLE)

	{

		ClearArray(g_RTVMapList);

	}

	g_Voters = 0;

	g_Votes = 0;

	g_VotesNeeded = 0;

	g_RTVStarted = false;

	g_RTVEnded = false;

	if (LoadMaps())

	{

		BuildMapMenu();

		g_CanRTV = true;

		CreateTimer(30.0, Timer_DelayRTV);

	}

	else

	{

		LogMessage("[SM] Cannot find map cycle file, RTV not active.");

	}

}

public OnMapEnd()

{

	g_CanRTV = false;	

	g_RTVAllowed = false;

}

public bool:OnClientConnect(client, String:rejectmsg[], maxlen)

{

	if(IsFakeClient(client))

		return true;

	g_Voted[client] = false;

	g_Nominated[client] = false;

	g_Voters++;

	g_VotesNeeded = RoundToFloor(float(g_Voters) * GetConVarFloat(g_Cvar_Needed));

	return true;

}

public OnClientDisconnect(client)

{

	if(IsFakeClient(client))

		return;

	if(g_Voted[client])

	{

		g_Votes--;

	}

	g_Voters--;

	g_VotesNeeded = RoundToFloor(float(g_Voters) * GetConVarFloat(g_Cvar_Needed));

	if (g_Votes >= g_VotesNeeded && g_RTVAllowed && g_Voters != 0) 

	{

		CreateTimer(2.0, Timer_StartRTV);

	}	

}

public Action:Command_Addmap(client, args)

{

	if (args < 1)

	{

		ReplyToCommand(client, "[SM] Usage: sm_rtv_addmap <mapname>");

		return Plugin_Handled;

	}

	decl String:mapname[64];

	GetCmdArg(1, mapname, sizeof(mapname));

	if (!IsStringInArray(g_MapList, mapname))

	{

		ReplyToCommand(client, "%t", "Map was not found", mapname);

		return Plugin_Handled;

	}

	if (GetArraySize(g_RTVMapList) > 0)

	{

		for (new i = 0; i < GetArraySize(g_RTVMapList); i++)

		{

			decl String:nextmap[64];

			GetArrayString(g_RTVMapList, i, nextmap, sizeof(nextmap));

			if (strcmp(mapname, nextmap, false) == 0)

			{

				ReplyToCommand(client, "%t", "Map Already In Vote", mapname);

				return Plugin_Handled;			

			}		

		}

		ShiftArrayUp(g_RTVMapList, 0);

		SetArrayString(g_RTVMapList, 0, mapname);

		while (GetArraySize(g_RTVMapList) > GetConVarInt(g_Cvar_Maps))

		{

			RemoveFromArray(g_RTVMapList, GetConVarInt(g_Cvar_Maps));

		}

	}

	else

	{

		PushArrayString(g_RTVMapList, mapname);

	}

	decl String:item[64];

	for (new i = 0; i < GetMenuItemCount(g_MapMenu); i++)

	{

		GetMenuItem(g_MapMenu, i, item, sizeof(item));

		if (strcmp(item, mapname) == 0)

		{

			RemoveMenuItem(g_MapMenu, i);

			break;

		}			

	}	

	ReplyToCommand(client, "%t", "Map Inserted", mapname);

	LogAction(client, -1, "\"%L\" inserted map \"%s\".", client, mapname);

	return Plugin_Handled;		

}

public Action:Command_Say(client, args)

{

	if (!g_CanRTV || !client)

		return Plugin_Continue;

	decl String:text[192];

	if (!GetCmdArgString(text, sizeof(text)))

	{

		return Plugin_Continue;

	}

	new startidx = 0;

	if(text[strlen(text)-1] == '"')

	{

		text[strlen(text)-1] = '\0';

		startidx = 1;

	}

	if (strcmp(text[startidx], "rtv", false) == 0 || strcmp(text[startidx], "rockthevote", false) == 0)

	{

		if (!g_RTVAllowed)

		{

			PrintToChat(client, "[SM] %t", "RTV Not Allowed");

			return Plugin_Continue;

		}

		if (g_RTVEnded)

		{

			PrintToChat(client, "[SM] %t", "RTV Ended");

			return Plugin_Continue;

		}

		if (g_RTVStarted)

		{

			PrintToChat(client, "[SM] %t", "RTV Started");

			return Plugin_Continue;

		}

		if (GetClientCount(true) < GetConVarInt(g_Cvar_MinPlayers) && g_Votes == 0) // Should we keep checking g_Votes here?

		{

			PrintToChat(client, "[SM] %t", "Minimal Players Not Met");

			return Plugin_Continue;			

		}

		if (g_Voted[client])

		{

			PrintToChat(client, "[SM] %t", "Already Voted");

			return Plugin_Continue;

		}	

		new String:name[64];

		GetClientName(client, name, sizeof(name));

		g_Votes++;

		g_Voted[client] = true;

		PrintToChatAll("[SM] %t", "RTV Requested", name, g_Votes, g_VotesNeeded);

		if (g_Votes >= g_VotesNeeded)

		{

			CreateTimer(2.0, Timer_StartRTV);

		}

	}

	else if (GetConVarBool(g_Cvar_Nominate) && strcmp(text[startidx], "nominate", false) == 0)

	{

		if (g_RTVEnded)

		{

			PrintToChat(client, "[SM] %t", "RTV Ended");

			return Plugin_Continue;

		}		

		if (g_RTVStarted)

		{

			PrintToChat(client, "[SM] %t", "RTV Started");

			return Plugin_Continue;

		}

		if (g_Nominated[client])

		{

			PrintToChat(client, "[SM] %t", "Already Nominated");

			return Plugin_Continue;

		}

		if (GetArraySize(g_RTVMapList) >= GetConVarInt(g_Cvar_Maps))

		{

			PrintToChat(client, "[SM] %t", "Max Nominations");

			return Plugin_Continue;			

		}

		DisplayMenu(g_MapMenu, client, MENU_TIME_FOREVER);		

	}

	return Plugin_Continue;	

}

public Action:Timer_DelayRTV(Handle:timer)

{

	g_RTVAllowed = true;

}

public Action:Timer_StartRTV(Handle:timer)

{

	if (timer == g_RetryTimer)

	{

		g_RetryTimer = INVALID_HANDLE;

	}

	if (g_RetryTimer != INVALID_HANDLE)

	{

		return;

	}

	g_RTVStarted = true;

	if (IsVoteInProgress())

	{

		// Can't start a vote, try again in 5 seconds.

		g_RetryTimer = CreateTimer(5.0, Timer_StartRTV, TIMER_FLAG_NO_MAPCHANGE);

		return;

	}			

	PrintToChatAll("[SM] %t", "RTV Vote Ready");

	new Handle:MapVoteMenu = CreateMenu(Handler_MapMapVoteMenu, MenuAction:MENU_ACTIONS_ALL);

	SetMenuTitle(MapVoteMenu, "%t", "Rock The Vote");

	new limit = (GetArraySize(g_RTVMapList) < GetConVarInt(g_Cvar_Maps) ? GetArraySize(g_RTVMapList) : GetConVarInt(g_Cvar_Maps));

	for (new i = 0; i < limit; i++)

	{

		decl String:rtvmap[64];

		GetArrayString(g_RTVMapList, i, rtvmap, sizeof(rtvmap));

		AddMenuItem(MapVoteMenu, rtvmap, rtvmap);

	}

	limit = (GetArraySize(g_MapList) < GetConVarInt(g_Cvar_Maps) ? GetArraySize(g_MapList) : GetConVarInt(g_Cvar_Maps));

	limit -= GetMenuItemCount(MapVoteMenu);

	if (limit < 0)

	{

		limit = 0;

	}

	for (new i = 0; i < limit; i++)

	{

		decl String:map[64];

		new b = GetRandomInt(0, limit - 1);

		GetArrayString(g_MapList, b, map, sizeof(map));

		while (IsStringInArray(g_RTVMapList, map))

		{

			b = GetRandomInt(0, limit - 1);

			GetArrayString(g_MapList, b, map, sizeof(map));

		}

		PushArrayString(g_RTVMapList, map);

		AddMenuItem(MapVoteMenu, map, map);		

	}

	AddMenuItem(MapVoteMenu, "Don't Change", "Don't Change");

	SetMenuExitButton(MapVoteMenu, false);

	VoteMenuToAll(MapVoteMenu, 20);

	LogMessage("[SM] Rockthevote was successfully started.");

}

public Action:Timer_ChangeMap(Handle:hTimer, Handle:dp)

{

	new String:map[65];

	ResetPack(dp);

	ReadPackString(dp, map, sizeof(map));

	ServerCommand("changelevel \"%s\"", map);

	return Plugin_Stop;

}

public Handler_MapMapVoteMenu(Handle:menu, MenuAction:action, param1, param2)

{

	switch (action)

	{

		case MenuAction_End:

		{

			CloseHandle(menu);

		}

		case MenuAction_Display:

		{

	 		decl String:oldTitle[255], String:buffer[255];

			GetMenuTitle(menu, oldTitle, sizeof(oldTitle));

			Format(buffer, sizeof(buffer), "%T", oldTitle, param1);

			new Handle:panel = Handle:param2;

			SetPanelTitle(panel, buffer);

		}

		case MenuAction_DisplayItem:

		{

			if (GetMenuItemCount(menu) - 1 == param2)

			{

				decl String:buffer[255];

				Format(buffer, sizeof(buffer), "%T", "Don't Change", param1);

				return RedrawMenuItem(buffer);

			}

		}		

		// Why am I commented out? Because BAIL hasn't decided yet if

		// vote notification will be built into the Vote API.

		/*case MenuAction_Select:

		{

			decl String:Name[32], String:Map[32];

			GetClientName(param1, Name, sizeof(Name));

			GetMenuItem(menu, param2, Map, sizeof(Map));

			PrintToChatAll("[SM] %s has voted for map '%s'", Name, Map);

		}*/

		case MenuAction_VoteCancel:

		{

			if (param1 == VoteCancel_NoVotes)

			{

				PrintToChatAll("[SM] %t", "No Votes");		

			}

		}

		case MenuAction_VoteEnd:

		{

			new String:map[64];

			GetMenuItem(menu, param1, map, sizeof(map));

			if (GetMenuItemCount(menu) - 1 == param1) // This should always match the "Keep Current" option

			{

				PrintToChatAll("[SM] %t", "Current Map Stays");

				LogMessage("[SM] Rockthevote has ended, current map kept.");

			}

			else

			{

				PrintToChatAll("[SM] %t", "Changing Maps", map);

				LogMessage("[SM] Rockthevote has ended, changing to map %s.", map);

				new Handle:dp;

				CreateDataTimer(5.0, Timer_ChangeMap, dp);

				WritePackString(dp, map);

			}

			g_RTVEnded = true;

		}

	}

	return 0;

}

public Handler_MapSelectMenu(Handle:menu, MenuAction:action, param1, param2)

{

	switch (action)

	{

		case MenuAction_End:

		{

			CloseHandle(menu);

		}	

		case MenuAction_Select:

		{

			if (GetArraySize(g_RTVMapList) >= GetConVarInt(g_Cvar_Maps)) 

			{

				PrintToChat(param1, "[SM] %t", "Max Nominations");

				return;	

			}

			decl String:map[64], String:name[64];

			GetMenuItem(menu, param2, map, sizeof(map));

			if (IsStringInArray(g_RTVMapList, map))

			{

				PrintToChat(param1, "[SM] %t", "Map Already Nominated");

				return;

			}

			GetClientName(param1, name, 64);

			PushArrayString(g_RTVMapList, map);

			RemoveMenuItem(menu, param2);

			g_Nominated[param1] = true;

			PrintToChatAll("[SM] %t", "Map Nominated", name, map);

		}

	}

}

BuildMapMenu()

{

	if (g_MapMenu != INVALID_HANDLE)

	{

		CloseHandle(g_MapMenu);

		g_MapMenu = INVALID_HANDLE;

	}

	g_MapMenu = CreateMenu(Handler_MapSelectMenu);

	SetMenuTitle(g_MapMenu, "%t", "Nominate Title");

	decl String:map[64];		

	for (new i = 0; i < GetArraySize(g_MapList); i++)

	{

		GetArrayString(g_MapList, i, map, sizeof(map));

		AddMenuItem(g_MapMenu, map, map);

	}

	SetMenuExitButton(g_MapMenu, false);

}

LoadMaps()

{

	new bool:fileFound;

	decl String:mapPath[256], String:mapFile[64];

	GetConVarString(g_Cvar_File, mapFile, 64);

	BuildPath(Path_SM, mapPath, sizeof(mapFile), mapFile);

	fileFound = FileExists(mapPath);

	if (!fileFound)

	{

		new Handle:mapCycleFile = FindConVar("mapcyclefile");

		GetConVarString(mapCycleFile, mapPath, sizeof(mapPath));

		fileFound = FileExists(mapPath);

	}

	if (!fileFound)

	{

		LogError("Unable to locate sm_rtv_file or mapcyclefile, no maps loaded.");

		if (g_MapList != INVALID_HANDLE)

		{

			ClearArray(g_MapList);

		}

		return 0;		

	}

	// If the file hasn't changed, there's no reason to reload

	// all of the maps.

	new fileTime =  GetFileTime(mapPath, FileTime_LastChange);

	if (g_mapFileTime == fileTime)

	{

		return GetArraySize(g_MapList);

	}

	g_mapFileTime = fileTime;

	// Reset the array

	if (g_MapList != INVALID_HANDLE)

	{

		ClearArray(g_MapList);

	}

	LogMessage("[SM] Loading RTV map file [%s]", mapPath);

	decl String:currentMap[32];

	GetCurrentMap(currentMap, sizeof(currentMap));

	new Handle:file = OpenFile(mapPath, "rt");

	if (file == INVALID_HANDLE)

	{

		LogError("[SM] Could not open file: %s", mapPath);

		return 0;

	}

	decl String:buffer[64], len;

	while (!IsEndOfFile(file) && ReadFileLine(file, buffer, sizeof(buffer)))

	{

		TrimString(buffer);

		if ((len = StrContains(buffer, ".bsp", false)) != -1)

		{

			buffer[len] = '\0';

		}

		if (buffer[0] == '\0' || !IsValidConVarChar(buffer[0]) || !IsMapValid(buffer)

			|| strcmp(currentMap, buffer, false) == 0)

		{

			continue;

		}

		PushArrayString(g_MapList, buffer);

	}

	CloseHandle(file);

	return GetArraySize(g_MapList);

}