dvander@1738: /**
dvander@1738:  * vim: set ts=4 :
dvander@1738:  * =============================================================================
dvander@1738:  * SourceMod
ds@1947:  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
dvander@1738:  * =============================================================================
dvander@1738:  *
dvander@1738:  * This program is free software; you can redistribute it and/or modify it under
dvander@1738:  * the terms of the GNU General Public License, version 3.0, as published by the
dvander@1738:  * Free Software Foundation.
dvander@1738:  * 
dvander@1738:  * This program is distributed in the hope that it will be useful, but WITHOUT
dvander@1738:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
dvander@1738:  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
dvander@1738:  * details.
dvander@1738:  *
dvander@1738:  * You should have received a copy of the GNU General Public License along with
dvander@1738:  * this program.  If not, see <http://www.gnu.org/licenses/>.
dvander@1738:  *
dvander@1738:  * As a special exception, AlliedModders LLC gives you permission to link the
dvander@1738:  * code of this program (as well as its derivative works) to "Half-Life 2," the
dvander@1738:  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
dvander@1738:  * by the Valve Corporation.  You must obey the GNU General Public License in
dvander@1738:  * all respects for all other code used.  Additionally, AlliedModders LLC grants
dvander@1738:  * this exception to all derivative works.  AlliedModders LLC defines further
dvander@1738:  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
dvander@1738:  * or <http://www.sourcemod.net/license.php>.
dvander@1738:  *
dvander@1738:  * Version: $Id$
dvander@1738:  */
dvander@1738: 
dvander@1738: #include <sh_list.h>
dvander@1738: #include "sm_globals.h"
dvander@1738: #include "sm_trie_tpl.h"
dvander@1738: #include "CellArray.h"
dvander@1738: #include "convar.h"
dvander@1738: #include "sourcemm_api.h"
dvander@1738: #include "LibrarySys.h"
dvander@1738: #include "TextParsers.h"
dvander@1738: #include "sm_stringutil.h"
dvander@1738: #include "sourcemod.h"
dvander@1738: #include "Logger.h"
dvander@1738: #include "HandleSys.h"
dvander@1738: 
dvander@1738: using namespace SourceHook;
dvander@1738: 
dvander@1738: struct maplist_info_t
dvander@1738: {
dvander@1738: 	bool bIsCompat;
dvander@1738: 	bool bIsPath;
dvander@1738: 	char name[PLATFORM_MAX_PATH];
dvander@1738: 	char path[PLATFORM_MAX_PATH];
dvander@1738: 	time_t last_modified_time;
dvander@1738: 	CellArray *pArray;
dvander@1738: 	int serial;
dvander@1738: };
dvander@1738: 
dvander@1738: #define MAPLIST_FLAG_MAPSFOLDER		(1<<0)		/**< On failure, use all maps in the maps folder. */
dvander@1738: #define MAPLIST_FLAG_CLEARARRAY		(1<<1)		/**< If an input array is specified, clear it before adding. */
dvander@1738: #define MAPLIST_FLAG_NO_DEFAULT		(1<<2)		/**< Do not read "default" or "mapcyclefile" on failure. */
dvander@1738: 
dvander@1738: class MapLists : public SMGlobalClass, public ITextListener_SMC
dvander@1738: {
dvander@1738: public:
dvander@1738: 	enum MapListState
dvander@1738: 	{
dvander@1738: 		MPS_NONE,
dvander@1738: 		MPS_GLOBAL,
dvander@1738: 		MPS_MAPLIST,
dvander@1738: 	};
dvander@1738: public:
dvander@1738: 	MapLists()
dvander@1738: 	{
dvander@1738: 		m_pMapCycleFile = NULL;
dvander@1738: 		m_ConfigLastChanged = 0;
dvander@1738: 		m_nSerialChange = 0;
dvander@1738: 	}
dvander@1738: 	void OnSourceModAllInitialized()
dvander@1738: 	{
dvander@1738: 		g_SourceMod.BuildPath(Path_SM, m_ConfigFile, sizeof(m_ConfigFile), "configs/maplists.cfg");
dvander@1738: 	}
dvander@1738: 	void OnSourceModShutdown()
dvander@1738: 	{
dvander@1738: 		DumpCache(NULL);
dvander@1738: 	}
dvander@1738: 	void AddOrUpdateDefault(const char *name, const char *file)
dvander@1738: 	{
dvander@1738: 		char path[PLATFORM_MAX_PATH];
dvander@1738: 		maplist_info_t *pMapList, **ppMapList;
dvander@1738: 
dvander@1738: 		if ((ppMapList = m_ListLookup.retrieve(name)) == NULL)
dvander@1738: 		{
dvander@1738: 			pMapList = new maplist_info_t;
dvander@1738: 			pMapList->bIsCompat = true;
dvander@1738: 			pMapList->bIsPath = true;
dvander@1738: 			pMapList->last_modified_time = 0;
dvander@1738: 			strncopy(pMapList->name, name, sizeof(pMapList->name));
dvander@1738: 			pMapList->pArray = NULL;
dvander@1738: 			g_SourceMod.BuildPath(Path_Game, 
dvander@1738: 				pMapList->path,
dvander@1738: 				sizeof(pMapList->path),
dvander@1738: 				"%s",
dvander@1738: 				file);
dvander@1738: 			pMapList->serial = 0;
dvander@1738: 			m_ListLookup.insert(name, pMapList);
dvander@1738: 			m_MapLists.push_back(pMapList);
dvander@1738: 			return;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		pMapList = *ppMapList;
dvander@1738: 
dvander@1738: 		/* Don't modify if it's from the config file */
dvander@1738: 		if (!pMapList->bIsCompat)
dvander@1738: 		{
dvander@1738: 			return;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		g_SourceMod.BuildPath(Path_Game,
dvander@1738: 			path,
dvander@1738: 			sizeof(path),
dvander@1738: 			"%s",
dvander@1738: 			file);
dvander@1738: 
dvander@1738: 		/* If the path matches, don't reset the serial/time */
dvander@1738: 		if (strcmp(path, pMapList->path) == 0)
dvander@1738: 		{
dvander@1738: 			return;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		strncopy(pMapList->path, path, sizeof(pMapList->path));
dvander@1738: 		pMapList->bIsPath = true;
dvander@1738: 		pMapList->last_modified_time = 0;
dvander@1738: 		pMapList->serial = 0;
dvander@1738: 	}
dvander@1738: 	void UpdateCache()
dvander@1738: 	{
dvander@1738: 		bool fileFound;
dvander@1738: 		SMCError error;
dvander@1738: 		time_t fileTime;
dvander@1738: 		SMCStates states = {0, 0};
dvander@1738: 		
dvander@1738: 		fileFound = g_LibSys.FileTime(m_ConfigFile, FileTime_LastChange, &fileTime);
dvander@1738: 
dvander@1738: 		/* If the file is found and hasn't changed, bail out now. */
dvander@1738: 		if (fileFound && fileTime == m_ConfigLastChanged)
dvander@1738: 		{
dvander@1738: 			return;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* If the file wasn't found, and we already have entries, we bail out too. 
dvander@1738: 		 * This case lets us optimize when a user deletes the config file, so we 
dvander@1738: 		 * don't reparse every single time the function is called.
dvander@1738: 		 */
dvander@1738: 		if (!fileFound && m_MapLists.size() > 0)
dvander@1738: 		{
dvander@1738: 			return;
dvander@1738: 		}
dvander@1738: 
dvander@1746: 		m_pMapCycleFile = icvar->FindVar("mapcyclefile");
dvander@1746: 
dvander@1738: 		/* Dump everything we know about. */
dvander@1738: 		List<maplist_info_t *> compat;
dvander@1738: 		DumpCache(&compat);
dvander@1738: 
dvander@1738: 		/* All this is to add the default entry back in. */
dvander@1738: 		maplist_info_t *pDefList = new maplist_info_t;
dvander@1738: 
dvander@1738: 		pDefList->bIsPath = true;
dvander@1738: 		strncopy(pDefList->name, "mapcyclefile", sizeof(pDefList->name));
dvander@1738: 		g_SourceMod.BuildPath(Path_Game,
dvander@1738: 			pDefList->path, 
dvander@1738: 			sizeof(pDefList->path),
dvander@1738: 			"%s",
dvander@1738: 			m_pMapCycleFile ? m_pMapCycleFile->GetString() : "mapcycle.txt");
dvander@1738: 		pDefList->last_modified_time = 0;
dvander@1738: 		pDefList->pArray = NULL;
dvander@1738: 		pDefList->serial = 0;
dvander@1738: 
dvander@1738: 		m_ListLookup.insert("mapcyclefile", pDefList);
dvander@1738: 		m_MapLists.push_back(pDefList);
dvander@1738: 
dvander@1738: 		/* Now parse the config file even if we don't know about it.
dvander@1738: 		 * This will give us a nice error message.
dvander@1738: 		 */
dvander@1738: 		if ((error = g_TextParser.ParseFile_SMC(m_ConfigFile, this, &states))
dvander@1738: 			!= SMCError_Okay)
dvander@1738: 		{
dvander@1738: 			const char *errmsg = g_TextParser.GetSMCErrorString(error);
dvander@1738: 			if (errmsg == NULL)
dvander@1738: 			{
dvander@1738: 				errmsg = "Unknown error";
dvander@1738: 			}
dvander@1738: 			g_Logger.LogError("[SM] Could not parse file \"%s\"", m_ConfigFile);
dvander@1738: 			g_Logger.LogError("[SM] Error on line %d (col %d): %s",
dvander@1738: 				states.line,
dvander@1738: 				states.col,
dvander@1738: 				errmsg);
dvander@1738: 		}
dvander@1738: 		else
dvander@1738: 		{
dvander@1738: 			m_ConfigLastChanged = fileTime;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* Now, re-add compat stuff back in if we can. */
dvander@1738: 		List<maplist_info_t *>::iterator iter = compat.begin();
dvander@1738: 		while (iter != compat.end())
dvander@1738: 		{
dvander@1738: 			if (m_ListLookup.retrieve((*iter)->name) != NULL)
dvander@1738: 			{
dvander@1738: 				/* The compatibility shim is no longer needed. */
dvander@1738: 				delete (*iter)->pArray;
dvander@1738: 				delete (*iter);
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				m_ListLookup.insert((*iter)->name, (*iter));
dvander@1738: 				m_MapLists.push_back((*iter));
dvander@1738: 			}
dvander@1738: 			iter = compat.erase(iter);
dvander@1738: 		}
dvander@1738: 	}
dvander@1738: 	void ReadSMC_ParseStart()
dvander@1738: 	{
dvander@1738: 		m_CurState = MPS_NONE;
dvander@1738: 		m_IgnoreLevel = 0;
dvander@1738: 		m_pCurMapList = NULL;
dvander@1738: 	}
dvander@1738: 	SMCResult ReadSMC_NewSection(const SMCStates *states, const char *name)
dvander@1738: 	{
dvander@1738: 		if (m_IgnoreLevel)
dvander@1738: 		{
dvander@1738: 			m_IgnoreLevel++;
dvander@1738: 			return SMCResult_Continue;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (m_CurState == MPS_NONE)
dvander@1738: 		{
dvander@1738: 			if (strcmp(name, "MapLists") == 0)
dvander@1738: 			{
dvander@1738: 				m_CurState = MPS_GLOBAL;
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				m_IgnoreLevel = 1;
dvander@1738: 			}
dvander@1738: 		}
dvander@1738: 		else if (m_CurState == MPS_GLOBAL)
dvander@1738: 		{
dvander@1738: 			m_pCurMapList = new maplist_info_t;
dvander@1738: 
dvander@1738: 			memset(m_pCurMapList, 0, sizeof(maplist_info_t));
dvander@1738: 			strncopy(m_pCurMapList->name, name, sizeof(m_pCurMapList->name));
dvander@1738: 
dvander@1738: 			m_CurState = MPS_MAPLIST;
dvander@1738: 		}
dvander@1738: 		else if (m_CurState == MPS_MAPLIST)
dvander@1738: 		{
dvander@1738: 			m_IgnoreLevel++;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		return SMCResult_Continue;
dvander@1738: 	}
dvander@1738: 	SMCResult ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value)
dvander@1738: 	{
dvander@1738: 		if (m_IgnoreLevel || m_pCurMapList == NULL)
dvander@1738: 		{
dvander@1738: 			return SMCResult_Continue;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (strcmp(key, "file") == 0)
dvander@1738: 		{
dvander@1738: 			g_SourceMod.BuildPath(Path_Game, 
dvander@1738: 				m_pCurMapList->path,
dvander@1738: 				sizeof(m_pCurMapList->path),
dvander@1738: 				"%s",
dvander@1738: 				value);
dvander@1738: 			m_pCurMapList->bIsPath = true;
dvander@1738: 		}
dvander@1738: 		else if (strcmp(key, "target") == 0)
dvander@1738: 		{
dvander@1738: 			strncopy(m_pCurMapList->path, value, sizeof(m_pCurMapList->path));
dvander@1738: 			m_pCurMapList->bIsPath = false;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		return SMCResult_Continue;
dvander@1738: 	}
dvander@1738: 	SMCResult ReadSMC_LeavingSection(const SMCStates *states)
dvander@1738: 	{
dvander@1738: 		if (m_IgnoreLevel)
dvander@1738: 		{
dvander@1738: 			m_IgnoreLevel--;
dvander@1738: 			return SMCResult_Continue;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (m_CurState == MPS_MAPLIST)
dvander@1738: 		{
dvander@1738: 			if (m_pCurMapList != NULL
dvander@1738: 				&& m_pCurMapList->path[0] != '\0'
dvander@1738: 				&& m_ListLookup.retrieve(m_pCurMapList->name) == NULL)
dvander@1738: 			{
dvander@1738: 				m_ListLookup.insert(m_pCurMapList->name, m_pCurMapList);
dvander@1738: 				m_MapLists.push_back(m_pCurMapList);
dvander@1738: 				m_pCurMapList = NULL;
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				delete m_pCurMapList;
dvander@1738: 				m_pCurMapList = NULL;
dvander@1738: 			}
dvander@1738: 			m_CurState = MPS_GLOBAL;
dvander@1738: 		}
dvander@1738: 		else if (m_CurState == MPS_GLOBAL)
dvander@1738: 		{
dvander@1738: 			m_CurState = MPS_NONE;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		return SMCResult_Continue;
dvander@1738: 	}
dvander@1738: 	void ReadSMC_ParseEnd(bool halted, bool failed)
dvander@1738: 	{
dvander@1738: 		delete m_pCurMapList;
dvander@1738: 		m_pCurMapList = NULL;
dvander@1738: 	}
dvander@1738: 	static int sort_maps_in_adt_array(const void *str1, const void *str2)
dvander@1738: 	{
dvander@1738: 		return strcmp((char *)str1, (char *)str2);
dvander@1738: 	}
dvander@1738: 	CellArray *UpdateMapList(CellArray *pUseArray, const char *name, int *pSerial, unsigned int flags)
dvander@1738: 	{
dvander@1738: 		int change_serial;
dvander@1747: 		CellArray *pNewArray = NULL;
dvander@1738: 		bool success, free_new_array;
dvander@1738: 
dvander@1738: 		free_new_array = false;
dvander@1738: 		
dvander@1738: 		if ((success = GetMapList(&pNewArray, name, &change_serial)) == false)
dvander@1738: 		{
dvander@1738: 			if ((flags & MAPLIST_FLAG_NO_DEFAULT) != MAPLIST_FLAG_NO_DEFAULT)
dvander@1738: 			{
dvander@1738: 				/* If this list failed, and it's not the default, try the default. 
dvander@1738: 				 */
dvander@1738: 				if (strcmp(name, "default") != 0)
dvander@1738: 				{
dvander@1738: 					success = GetMapList(&pNewArray, name, &change_serial);
dvander@1738: 				}
dvander@1738: 				/* If either of the last two conditions failed, try again if we can. */
dvander@1746: 				if (!success && strcmp(name, "mapcyclefile") != 0)
dvander@1738: 				{
dvander@1738: 					success = GetMapList(&pNewArray, "mapcyclefile", &change_serial);
dvander@1738: 				}
dvander@1738: 			}
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* If there was a success, and the serial has not changed, bail out. */
dvander@1897: 		if (success && *pSerial == change_serial)
dvander@1738: 		{
dvander@1738: 			return NULL;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/**
dvander@1738: 		 * If there was a success but no map list, we need to look in the maps folder.
dvander@1738: 		 * If there was a failure and the flag is specified, we need to look in the maps folder.
dvander@1738: 		 */
dvander@1738: 		if ((success && pNewArray == NULL)
dvander@1738: 			|| (!success && ((flags & MAPLIST_FLAG_MAPSFOLDER) == MAPLIST_FLAG_MAPSFOLDER)))
dvander@1738: 		{
dvander@1738: 			char path[255];
dvander@1738: 			IDirectory *pDir;
dvander@1738: 
dvander@1738: 			pNewArray = new CellArray(64);
dvander@1738: 			free_new_array = true;
dvander@1738: 			g_SourceMod.BuildPath(Path_Game, path, sizeof(path), "maps");
dvander@1738: 
dvander@1738: 			if ((pDir = g_LibSys.OpenDirectory(path)) != NULL)
dvander@1738: 			{
dvander@1738: 				char *ptr;
dvander@1738: 				cell_t *blk;
dvander@1738: 				char buffer[PLATFORM_MAX_PATH];
dvander@1738: 
dvander@1738: 				while (pDir->MoreFiles())
dvander@1738: 				{
dvander@1738: 					if (!pDir->IsEntryFile()
dvander@1738: 						|| strcmp(pDir->GetEntryName(), ".") == 0
dvander@1738: 						|| strcmp(pDir->GetEntryName(), "..") == 0)
dvander@1738: 					{
dvander@1738: 						pDir->NextEntry();
dvander@1738: 						continue;
dvander@1738: 					}
dvander@1738: 					strncopy(buffer, pDir->GetEntryName(), sizeof(buffer));
pred@2222: 					if ((ptr = strstr(buffer, ".bsp")) == NULL || ptr[4] != '\0')
dvander@1738: 					{
dvander@1738: 						pDir->NextEntry();
dvander@1738: 						continue;
dvander@1738: 					}
dvander@1738: 					*ptr = '\0';
dvander@1738: 					if (!engine->IsMapValid(buffer))
dvander@1738: 					{
dvander@1738: 						pDir->NextEntry();
dvander@1738: 						continue;
dvander@1738: 					}
dvander@1738: 					if ((blk = pNewArray->push()) == NULL)
dvander@1738: 					{
dvander@1738: 						pDir->NextEntry();
dvander@1738: 						continue;
dvander@1738: 					}
dvander@1738: 					strncopy((char *)blk, buffer, 255);
dvander@1738: 					pDir->NextEntry();
dvander@1738: 				}
dvander@1738: 				g_LibSys.CloseDirectory(pDir);
dvander@1738: 			}
dvander@1738: 
dvander@1738: 			/* Remove the array if there were no items. */
dvander@1738: 			if (pNewArray->size() == 0)
dvander@1738: 			{
dvander@1738: 				delete pNewArray;
dvander@1738: 				pNewArray = NULL;
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				qsort(pNewArray->base(), 
dvander@1738: 					pNewArray->size(), 
dvander@1738: 					pNewArray->blocksize() * sizeof(cell_t), 
dvander@1738: 					sort_maps_in_adt_array);
dvander@1738: 			}
dvander@1738: 
dvander@1738: 			change_serial = -1;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* If there is still no array by this point, bail out. */
dvander@1738: 		if (pNewArray == NULL)
dvander@1738: 		{
dvander@1738: 			*pSerial = -1;
dvander@1738: 			return NULL;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		*pSerial = change_serial;
dvander@1738: 
dvander@1738: 		/* If there is no input array, return something temporary. */
dvander@1738: 		if (pUseArray == NULL)
dvander@1738: 		{
dvander@1738: 			if (free_new_array)
dvander@1738: 			{
dvander@1738: 				return pNewArray;
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				return pNewArray->clone();
dvander@1738: 			}
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* Clear the input array if necessary. */
dvander@1738: 		if ((flags & MAPLIST_FLAG_CLEARARRAY) == MAPLIST_FLAG_CLEARARRAY)
dvander@1738: 		{
dvander@1738: 			pUseArray->clear();
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* Copy. */
dvander@1738: 		cell_t *blk_dst;
dvander@1738: 		cell_t *blk_src;
dvander@1738: 		for (size_t i = 0; i < pNewArray->size(); i++)
dvander@1738: 		{
dvander@1738: 			blk_dst = pUseArray->push();
dvander@1738: 			blk_src = pNewArray->at(i);
dvander@1738: 			strncopy((char *)blk_dst, (char *)blk_src, pUseArray->blocksize() * sizeof(cell_t));
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* Free resources if necessary. */
dvander@1738: 		if (free_new_array)
dvander@1738: 		{
dvander@1738: 			delete pNewArray;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* Return the array we were given. */
dvander@1738: 		return pUseArray;
dvander@1738: 	}
dvander@1738: private:
dvander@1738: 	bool GetMapList(CellArray **ppArray, const char *name, int *pSerial)
dvander@1738: 	{
dvander@1738: 		time_t last_time;
dvander@1738: 		maplist_info_t *pMapList, **ppMapList;
dvander@1738: 
dvander@1738: 		if ((ppMapList = m_ListLookup.retrieve(name)) == NULL)
dvander@1738: 		{
dvander@1738: 			return false;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		pMapList = *ppMapList;
dvander@1738: 
dvander@1738: 		if (!pMapList->bIsPath)
dvander@1738: 		{
dvander@1738: 			return GetMapList(ppArray, pMapList->path, pSerial);
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		/* If it is a path, and the path is "*", assume all files must be used. */
dvander@1738: 		if (strcmp(pMapList->path, "*") == 0)
dvander@1738: 		{
dvander@1738: 			*ppArray = NULL;
dvander@1738: 			return true;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (m_pMapCycleFile != NULL && strcmp(name, "mapcyclefile") == 0)
dvander@1738: 		{
dvander@1749: 			char path[PLATFORM_MAX_PATH];
dvander@1749: 			g_SourceMod.BuildPath(Path_Game,
dvander@1749: 				path, 
dvander@1749: 				sizeof(path),
dvander@1749: 				"%s",
dvander@1749: 				m_pMapCycleFile ? m_pMapCycleFile->GetString() : "mapcycle.txt");
dvander@1749: 
dvander@1749: 			if (strcmp(path, pMapList->path) != 0)
dvander@1738: 			{
dvander@1749: 				strncopy(pMapList->path, path, sizeof(pMapList->path));
dvander@1738: 				pMapList->last_modified_time = 0;
dvander@1738: 			}
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (!g_LibSys.FileTime(pMapList->path, FileTime_LastChange, &last_time)
dvander@1738: 			|| last_time > pMapList->last_modified_time)
dvander@1738: 		{
dvander@1738: 			/* Reparse */
dvander@1738: 			FILE *fp;
dvander@1738: 			cell_t *blk;
dvander@1738: 			char buffer[255];
dvander@1738: 
dvander@1738: 			if ((fp = fopen(pMapList->path, "rt")) == NULL)
dvander@1738: 			{
dvander@1738: 				return false;
dvander@1738: 			}
dvander@1738: 
dvander@1738: 			delete pMapList->pArray;
dvander@1738: 			pMapList->pArray = new CellArray(64);
dvander@1738: 
dvander@1738: 			while (!feof(fp) && fgets(buffer, sizeof(buffer), fp) != NULL)
dvander@1738: 			{
dvander@1738: 				size_t len = strlen(buffer);
dvander@1738: 				char *ptr = UTIL_TrimWhitespace(buffer, len);
dvander@1738: 				if (*ptr == '\0'
dvander@1738: 					|| *ptr == ';'
dvander@1738: 					|| strncmp(ptr, "//", 2) == 0)
dvander@1738: 				{
dvander@1738: 					continue;
dvander@1738: 				}
dvander@1738: 				if (!engine->IsMapValid(ptr))
dvander@1738: 				{
dvander@1738: 					continue;
dvander@1738: 				}
dvander@1738: 				if ((blk = pMapList->pArray->push()) != NULL)
dvander@1738: 				{
dvander@1738: 					strncopy((char *)blk, ptr, 255);
dvander@1738: 				}
dvander@1738: 			}
dvander@1738: 
dvander@1738: 			fclose(fp);
dvander@1738: 
dvander@1738: 			pMapList->last_modified_time = last_time;
dvander@1738: 			pMapList->serial = ++m_nSerialChange;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		if (pMapList->pArray == NULL || pMapList->pArray->size() == 0)
dvander@1738: 		{
dvander@1738: 			return false;
dvander@1738: 		}
dvander@1738: 
dvander@1738: 		*pSerial = pMapList->serial;
dvander@1738: 		*ppArray = pMapList->pArray;
dvander@1738: 
dvander@1738: 		return true;
dvander@1738: 	}
dvander@1738: 	void DumpCache(List<maplist_info_t *> *compat_list)
dvander@1738: 	{
dvander@1738: 		m_ListLookup.clear();
dvander@1738: 
dvander@1738: 		List<maplist_info_t *>::iterator iter = m_MapLists.begin();
dvander@1738: 		while (iter != m_MapLists.end())
dvander@1738: 		{
dvander@1738: 			if (compat_list != NULL && (*iter)->bIsCompat)
dvander@1738: 			{
dvander@1738: 				compat_list->push_back((*iter));
dvander@1738: 			}
dvander@1738: 			else
dvander@1738: 			{
dvander@1738: 				delete (*iter)->pArray;
dvander@1738: 				delete (*iter);
dvander@1738: 			}
dvander@1738: 			iter = m_MapLists.erase(iter);
dvander@1738: 		}
dvander@1738: 	}
dvander@1738: private:
dvander@1738: 	char m_ConfigFile[PLATFORM_MAX_PATH];
dvander@1738: 	time_t m_ConfigLastChanged;
dvander@1738: 	ConVar *m_pMapCycleFile;
dvander@1738: 	KTrie<maplist_info_t *> m_ListLookup;
dvander@1738: 	List<maplist_info_t *> m_MapLists;
dvander@1738: 	MapListState m_CurState;
dvander@1738: 	unsigned int m_IgnoreLevel;
dvander@1738: 	maplist_info_t *m_pCurMapList;
dvander@1738: 	int m_nSerialChange;
dvander@1738: } s_MapLists;
dvander@1738: 
dvander@1738: static cell_t LoadMapList(IPluginContext *pContext, const cell_t *params)
dvander@1738: {
dvander@1738: 	char *str;
dvander@1738: 	Handle_t hndl;
dvander@1738: 	cell_t *addr, flags;
dvander@1738: 	CellArray *pArray, *pNewArray;
dvander@1738: 
dvander@1738: 	hndl = params[1];
dvander@1738: 	pContext->LocalToPhysAddr(params[2], &addr);
dvander@1738: 	pContext->LocalToString(params[3], &str);
dvander@1738: 	flags = params[4];
dvander@1738: 
dvander@1738: 	/* Make sure the input Handle is valid */
dvander@1738: 	pArray = NULL;
dvander@1738: 	if (hndl != BAD_HANDLE)
dvander@1738: 	{
dvander@1738: 		HandleError err;
dvander@1738: 		HandleSecurity sec(pContext->GetIdentity(), g_pCoreIdent);
dvander@1738: 
dvander@1738: 		if ((err = g_HandleSys.ReadHandle(hndl, htCellArray, &sec, (void **)&pArray))
dvander@1738: 			!= HandleError_None)
dvander@1738: 		{
dvander@1738: 			return pContext->ThrowNativeError("Invalid Handle %x (error %d)", hndl, err);
dvander@1738: 		}
dvander@1738: 	}
dvander@1738: 
dvander@1738: 	/* Make sure the map list cache is up to date at the root */
dvander@1738: 	s_MapLists.UpdateCache();
dvander@1738: 
dvander@1738: 	/* Try to get the map list. */
dvander@1738: 	if ((pNewArray = s_MapLists.UpdateMapList(pArray, str, addr, flags)) == NULL)
dvander@1738: 	{
dvander@1738: 		return BAD_HANDLE;
dvander@1738: 	}
dvander@1738: 
dvander@1738: 	/* If the user wanted a new array, create it now. */
dvander@1738: 	if (hndl == BAD_HANDLE)
dvander@1738: 	{
dvander@1738: 		if ((hndl = g_HandleSys.CreateHandle(htCellArray, pNewArray, pContext->GetIdentity(), g_pCoreIdent, NULL))
dvander@1738: 			== BAD_HANDLE)
dvander@1738: 		{
dvander@1738: 			*addr = -1;
dvander@1738: 			delete pNewArray;
dvander@1738: 			return BAD_HANDLE;
dvander@1738: 		}
dvander@1738: 	}
dvander@1738: 
dvander@1738: 	return hndl;
dvander@1738: }
dvander@1738: 
dvander@1738: static cell_t SetMapListCompatBind(IPluginContext *pContext, const cell_t *params)
dvander@1738: {
dvander@1738: 	char *name, *file;
dvander@1738: 
dvander@1738: 	pContext->LocalToString(params[1], &name);
dvander@1738: 	pContext->LocalToString(params[2], &file);
dvander@1738: 
dvander@1783: 	s_MapLists.UpdateCache();
dvander@1738: 	s_MapLists.AddOrUpdateDefault(name, file);
dvander@1738: 
dvander@1738: 	return 1;
dvander@1738: }
dvander@1738: 
dvander@1738: REGISTER_NATIVES(mapListNatives)
dvander@1738: {
dvander@1738: 	{"ReadMapList",				LoadMapList},
dvander@1738: 	{"SetMapListCompatBind",	SetMapListCompatBind},
dvander@1738: 	{NULL,						NULL},
dvander@1738: };