/**

 * vim: set ts=4 :

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

 * SourceMod

 * Copyright (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: $Id$

 */

#ifndef _INCLUDE_SOURCEMOD_GLOBALHEADER_H_

#define _INCLUDE_SOURCEMOD_GLOBALHEADER_H_

#include "sm_globals.h"

#include <ISourceMod.h>

#include <sh_stack.h>

#include "CDataPack.h"

using namespace SourceHook;

/**

 * @brief Implements SourceMod's global overall management, API, and logic

 */

class SourceModBase : 

	public ISourceMod,

	public SMGlobalClass

{

public:

	SourceModBase();

public:

	/**

	 * @brief Initializes SourceMod, or returns an error on failure.

	 */

	bool InitializeSourceMod(char *error, size_t maxlength, bool late);

	/** 

	 * @brief Starts everything SourceMod needs to run

	 */

	void StartSourceMod(bool late);

	/** 

	 * @brief Shuts down all SourceMod components

	 */

	void CloseSourceMod();

	/**

	 * @brief Map change hook

	 */

	bool LevelInit(char const *pMapName, char const *pMapEntities, char const *pOldLevel, char const *pLandmarkName, bool loadGame, bool background);

	/**

	 * @brief Level shutdown hook

	 */

	void LevelShutdown();

	/** 

	 * @brief Returns whether or not a map load is in progress

	 */

	bool IsMapLoading() const;

	/** 

	 * @brief Stores the global target index.

	 */

	void SetGlobalTarget(unsigned int index);

	/** 

	 * @brief Returns the global target index.

	 */

	unsigned int GetGlobalTarget() const;

	/** 

	 * @brief Sets whether if SoureMod needs to check player auths.

	 */

	void SetAuthChecking(bool set);

public: // SMGlobalClass

	ConfigResult OnSourceModConfigChanged(const char *key, 

										  const char *value, 

										  ConfigSource source, 

										  char *error, 

										  size_t maxlength);

public: // ISourceMod

	const char *GetGamePath() const;

	const char *GetSourceModPath() const;

	size_t BuildPath(PathType type, char *buffer, size_t maxlength, char *format, ...);

	void LogMessage(IExtension *pExt, const char *format, ...);

	void LogError(IExtension *pExt, const char *format, ...);

	size_t FormatString(char *buffer, size_t maxlength, IPluginContext *pContext, const cell_t *params, unsigned int param);

	IDataPack *CreateDataPack();

	void FreeDataPack(IDataPack *pack);

	HandleType_t GetDataPackHandleType(bool readonly=false);

	KeyValues *ReadKeyValuesHandle(Handle_t hndl, HandleError *err=NULL, bool root=false);

	const char *GetGameFolderName() const;

	ISourcePawnEngine *GetScriptingEngine();

	IVirtualMachine *GetScriptingVM();

	void AllPluginsLoaded();

private:

	/**

	 * @brief Loading plugins

	 */

	void DoGlobalPluginLoads();

	/**

	 * @brief GameFrame hook

	 */

	void GameFrame(bool simulating);

private:

	CStack<CDataPack *> m_freepacks;

	char m_SMBaseDir[PLATFORM_MAX_PATH];

	char m_SMRelDir[PLATFORM_MAX_PATH];

	char m_ModDir[32];

	bool m_IsMapLoading;

	bool m_ExecPluginReload;

	bool m_ExecOnMapEnd;

	unsigned int m_target;

	bool m_CheckingAuth;

	bool m_GotBasePath;

};

extern SourceModBase g_SourceMod;

extern HandleType_t g_WrBitBufType;		//:TODO: find a better place for this

extern HandleType_t g_RdBitBufType;		//:TODO: find a better place for this

#endif //_INCLUDE_SOURCEMOD_GLOBALHEADER_H_