/**

 * vim: set ts=4 :

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

 * SourceMod

 * Copyright (C) 2004-2008 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.h"

#include "HandleSys.h"

#include "GameConfigs.h"

HandleType_t g_GameConfigsType;

class GameConfigsNatives :

	public IHandleTypeDispatch, 

	public SourceModBase

{

public:

	void OnSourceModAllInitialized()

	{

		g_GameConfigsType = g_HandleSys.CreateType("GameConfigs", this, 0, NULL, NULL, g_pCoreIdent, NULL);

	}

	void OnSourceModShutdown()

	{

		g_HandleSys.RemoveType(g_GameConfigsType, g_pCoreIdent);

		g_GameConfigsType = 0;

	}

	void OnHandleDestroy(HandleType_t type, void *object)

	{

		g_GameConfigs.CloseGameConfigFile(reinterpret_cast<IGameConfig *>(object));

	}

};

static cell_t smn_LoadGameConfigFile(IPluginContext *pCtx, const cell_t *params)

{

	IGameConfig *gc;

	char *filename;

	char error[128];

	pCtx->LocalToString(params[1], &filename);

	if (!g_GameConfigs.LoadGameConfigFile(filename, &gc, error, sizeof(error)))

	{

		return pCtx->ThrowNativeError("Unable to open %s: %s", filename, error);

	}

	return g_HandleSys.CreateHandle(g_GameConfigsType, gc, pCtx->GetIdentity(), g_pCoreIdent, NULL);

}

static cell_t smn_GameConfGetOffset(IPluginContext *pCtx, const cell_t *params)

{

	Handle_t hndl = static_cast<Handle_t>(params[1]);

	HandleError herr;

	HandleSecurity sec;

	IGameConfig *gc;

	sec.pOwner = NULL;

	sec.pIdentity = g_pCoreIdent;

	if ((herr=g_HandleSys.ReadHandle(hndl, g_GameConfigsType, &sec, (void **)&gc))

		!= HandleError_None)

	{

		return pCtx->ThrowNativeError("Invalid game config handle %x (error %d)", hndl, herr);

	}

	char *key;

	int val;

	pCtx->LocalToString(params[2], &key);

	if (!gc->GetOffset(key, &val))

	{

		return -1;

	}

	return val;

}

static cell_t smn_GameConfGetKeyValue(IPluginContext *pCtx, const cell_t *params)

{

	Handle_t hndl = static_cast<Handle_t>(params[1]);

	HandleError herr;

	HandleSecurity sec;

	IGameConfig *gc;

	sec.pOwner = NULL;

	sec.pIdentity = g_pCoreIdent;

	if ((herr=g_HandleSys.ReadHandle(hndl, g_GameConfigsType, &sec, (void **)&gc))

		!= HandleError_None)

	{

		return pCtx->ThrowNativeError("Invalid game config handle %x (error %d)", hndl, herr);

	}

	char *key;

	const char *val;

	pCtx->LocalToString(params[2], &key);

	if ((val=gc->GetKeyValue(key)) == NULL)

	{

		return 0;

	}

	pCtx->StringToLocalUTF8(params[3], params[4], val, NULL);

	return 1;

}

static cell_t smn_GameConfGetAddress(IPluginContext *pCtx, const cell_t *params)

{

	Handle_t hndl = static_cast<Handle_t>(params[1]);

	HandleError herr;

	HandleSecurity sec;

	IGameConfig *gc;

	sec.pOwner = NULL;

	sec.pIdentity = g_pCoreIdent;

	if ((herr=g_HandleSys.ReadHandle(hndl, g_GameConfigsType, &sec, (void **)&gc))

		!= HandleError_None)

	{

		return pCtx->ThrowNativeError("Invalid game config handle %x (error %d)", hndl, herr);

	}

	char *key;

	void* val;

	pCtx->LocalToString(params[2], &key);

	if (!gc->GetAddress(key, &val))

		return 0;

	return (cell_t)val;

}

static GameConfigsNatives s_GameConfigsNatives;

REGISTER_NATIVES(gameconfignatives)

{

	{"LoadGameConfigFile",			smn_LoadGameConfigFile},

	{"GameConfGetOffset",			smn_GameConfGetOffset},

	{"GameConfGetKeyValue",			smn_GameConfGetKeyValue},

	{"GameConfGetAddress",			smn_GameConfGetAddress},

	{NULL,							NULL}

};