/**

 * vim: set ts=4 :

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

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

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

 *

 *  This file is part of the SourceMod/SourcePawn SDK.  This file may only be used 

 * or modified under the Terms and Conditions of its License Agreement, which is found 

 * in LICENSE.txt.  The Terms and Conditions for making SourceMod extensions/plugins 

 * may change at any time.  To view the latest information, see:

 *   http://www.sourcemod.net/license.php

 *

 * Version: $Id$

 */

#if defined _sdktools_included

  #endinput

#endif

#define _sdktools_included

#include <core>

#include <sdktools_functions>

enum SDKCallType

{

	SDKCall_Static,		/**< Static call */

	SDKCall_Entity,		/**< CBaseEntity call */

	SDKCall_Player,		/**< CBasePlayer call */

};

enum SDKLibrary

{

	SDKLibrary_Server,	/**< server.dll/server_i486.so */

	SDKLibrary_Engine,	/**< engine.dll/engine_*.so */

};

enum SDKFuncConfSource

{

	SDKConf_Virtual = 0,	/**< Read a virtual index from the Offsets section */

	SDKConf_Signature = 1,	/**< Read a signature from the Signatures section */

};

enum SDKType

{

	SDKType_CBaseEntity,	/**< CBaseEntity (always as pointer) */

	SDKType_CBasePlayer,	/**< CBasePlayer (always as pointer) */

	SDKType_Vector,			/**< Vector (pointer, byval, or byref) */

	SDKType_QAngle,			/**< QAngles (pointer, byval, or byref) */

	SDKType_PlainOldData,	/**< Integer/generic data <=32bit (any) */

	SDKType_Float,			/**< Float (any) */

	SDKType_Edict,			/**< edict_t (always as pointer) */

	SDKType_String,			/**< NULL-terminated string (always as pointer) */

	SDKType_Bool,			/**< Boolean (any) */

};

enum SDKPassMethod

{

	SDKPass_Pointer,		/**< Pass as a pointer */

	SDKPass_Plain,			/**< Pass as plain data */

	SDKPass_ByValue,		/**< Pass an object by value */

	SDKPass_ByRef,			/**< Pass an object by reference */

};

#define VDECODE_FLAG_ALLOWNULL		(1<<0)		/**< Allow NULL for pointers */

#define VDECODE_FLAG_ALLOWNOTINGAME	(1<<1)		/**< Allow players not in game */

#define VDECODE_FLAG_ALLOWWORLD		(1<<2)		/**< Allow World entity */

#define VDECODE_FLAG_BYREF			(1<<3)		/**< Floats/ints by reference */

#define VENCODE_FLAG_COPYBACK		(1<<0)		/**< Copy back data once done */

/**

 * Starts the preparation of an SDK call.

 *

 * @param type			Type of function call this will be.

 * @noreturn

 */

native StartPrepSDKCall(SDKCallType:type);

/**

 * Sets the virtual index of the SDK call if it is virtual.

 *

 * @param vtblidx		Virtual table index.

 * @noreturn

 */

native PrepSDKCall_SetVirtual(vtblidx);

/**

 * Finds an address in a library and sets it as the address to use for the SDK call.

 *

 * @param lib			Library to use.

 * @param signature		Binary data to search for in the library.  If it starts with '@',

 *						the bytes parameter is ignored and the signature is interpreted

 *						as a symbol lookup in the library.

 * @param bytes			Number of bytes in the binary search string.

 * @return				True on success, false if nothing was found.

 */

native bool:PrepSDKCall_SetSignature(SDKLibrary:lib, const String:signature[], bytes);

/**

 * Finds an address or virtual function index in a GameConfig file and sets it as

 * the calling information for the SDK call.

 *

 * @param gameconf		GameConfig Handle, or INVALID_HANDLE to use sdktools.games.txt.

 * @param source		Whether to look in Offsets or Signatures.

 * @param name			Name of the property to find.

 * @return				True on success, false if nothing was found.

 */

native bool:PrepSDKCall_SetFromConf(Handle:gameconf, SDKFuncConfSource:source, const String:name[]);

/**

 * Sets the return information of an SDK call.  Do not call this if there is no return data.

 * This must be called if there is a return value (i.e. it is not necessarily safe to ignore 

 * the data).

 *

 * @param type			Data type to convert to/from.

 * @param pass			How the data is passed in C++.

 * @param decflags		Flags on decoding from the plugin to C++.

 * @param encflags		Flags on encoding from C++ to the plugin.

 * @noreturn

 */

native PrepSDKCall_SetReturnInfo(SDKType:type, SDKPassMethod:pass, decflags=0, encflags=0);

/**

 * Adds a parameter to the calling convention.  This should be called in normal ascending order.

 *

 * @param type			Data type to convert to/from.

 * @param pass			How the data is passed in C++.

 * @param decflags		Flags on decoding from the plugin to C++.

 * @param encflags		Flags on encoding from C++ to the plugin.

 * @noreturn

 */

native PrepSDKCall_AddParameter(SDKType:type, SDKPassMethod:pass, decflags=0, encflags=0);

/**

 * Finalizes an SDK call preparation and returns the resultant Handle.

 *

 * @return				A new SDKCall Handle on success, or INVALID_HANDLE on failure.

 */

native Handle:EndPrepSDKCall();

/**

 * Calls an SDK function with the given parameters.

 *

 * If the call type is Entity or Player, the index MUST ALWAYS be the FIRST parameter passed.

 * If the return value is a Vector or QAngles, the SECOND parameter must be a Float[3].

 * If the return value is a string, the THIRD parameter must be a String buffer, and the

 *  FOURTH parameter must be the maximum length.

 * All parameters must be passed after the above is followed.  Failure to follow these 

 *  rules will result in crashes or wildly unexpected behavior!

 *

 * If the return value is a float or integer, the return value will be this value.

 * If the return value is a CBaseEntity, CBasePlayer, or edict, the return value will

 *   always be the entity index, or -1 for NULL.

 *

 * @param call			SDKCall Handle.

 * @param ...			Call Parameters.

 * @return				Simple return value, if any.

 * @error				Invalid Handle or internal decoding error.

 */

native any:SDKCall(Handle:call, any:...);

/**

 * Do not edit below this line!

 */

public Extension:__ext_sdktools = 

{

	name = "SDKTools",

	file = "sdktools.ext",

#if defined AUTOLOAD_EXTENSIONS

	autoload = 1,

#else

	autoload = 0,

#endif

#if defined REQUIRE_EXTENSIONS

	required = 1,

#else

	required = 0,

#endif

};