diff options
Diffstat (limited to 'sourcemod/scripting/include/dhooks.inc')
| -rw-r--r-- | sourcemod/scripting/include/dhooks.inc | 1100 |
1 files changed, 0 insertions, 1100 deletions
diff --git a/sourcemod/scripting/include/dhooks.inc b/sourcemod/scripting/include/dhooks.inc deleted file mode 100644 index 76ff8c4..0000000 --- a/sourcemod/scripting/include/dhooks.inc +++ /dev/null @@ -1,1100 +0,0 @@ -/** - * vim: set ts=4 sw=4 tw=99 noet : - * ============================================================================= - * SourceMod (C)2021 AlliedModders LLC. All rights reserved. - * ============================================================================= - * - * This file is part of the SourceMod/SourcePawn SDK. - * - * 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: $Id$ - */ - -#if defined _dhooks_included -#endinput -#endif -#define _dhooks_included - -// Needed for the SDKFuncConfSource enum. -#include <sdktools> - -#define INVALID_HOOK_ID 0 - -enum ObjectValueType -{ - ObjectValueType_Int = 0, - ObjectValueType_Bool, - ObjectValueType_Ehandle, - ObjectValueType_Float, - ObjectValueType_CBaseEntityPtr, - ObjectValueType_IntPtr, - ObjectValueType_BoolPtr, - ObjectValueType_EhandlePtr, - ObjectValueType_FloatPtr, - ObjectValueType_Vector, - ObjectValueType_VectorPtr, - ObjectValueType_CharPtr, - ObjectValueType_String -}; - -enum ListenType -{ - ListenType_Created, - ListenType_Deleted -}; - -enum ReturnType -{ - ReturnType_Unknown, - ReturnType_Void, - ReturnType_Int, - ReturnType_Bool, - ReturnType_Float, - ReturnType_String, // Note this is a string_t - ReturnType_StringPtr, // Note this is a string_t * - ReturnType_CharPtr, - ReturnType_Vector, - ReturnType_VectorPtr, - ReturnType_CBaseEntity, - ReturnType_Edict -}; - -enum HookParamType -{ - HookParamType_Unknown, - HookParamType_Int, - HookParamType_Bool, - HookParamType_Float, - HookParamType_String, // Note this is a string_t - HookParamType_StringPtr, // Note this is a string_t * - HookParamType_CharPtr, - HookParamType_VectorPtr, - HookParamType_CBaseEntity, - HookParamType_ObjectPtr, - HookParamType_Edict, - HookParamType_Object -}; - -enum ThisPointerType -{ - ThisPointer_Ignore, - ThisPointer_CBaseEntity, - ThisPointer_Address -}; - -enum HookType -{ - HookType_Entity, - HookType_GameRules, - HookType_Raw -}; - -enum CallingConvention -{ - CallConv_CDECL, - CallConv_THISCALL, - CallConv_STDCALL, - CallConv_FASTCALL, -}; - -enum HookMode -{ - Hook_Pre, /**< Callback will be executed BEFORE the original function. */ - Hook_Post /**< Callback will be executed AFTER the original function. */ -}; - -enum MRESReturn -{ - MRES_ChangedHandled = -2, /**< Use changed values and return MRES_Handled */ - MRES_ChangedOverride, /**< Use changed values and return MRES_Override */ - MRES_Ignored, /**< plugin didn't take any action */ - MRES_Handled, /**< plugin did something, but real function should still be called */ - MRES_Override, /**< call real function, but use my return value */ - MRES_Supercede /**< skip real function; use my return value */ -}; - -enum DHookPassFlag -{ - DHookPass_ByVal = (1<<0), /**< Passing by value */ - DHookPass_ByRef = (1<<1), /**< Passing by reference */ - DHookPass_ODTOR = (1<<2), /**< Object has a destructor */ - DHookPass_OCTOR = (1<<3), /**< Object has a constructor */ - DHookPass_OASSIGNOP = (1<<4), /**< Object has an assignment operator */ -}; - -enum DHookRegister -{ - // Don't change the register and use the default for the calling convention. - DHookRegister_Default, - - // 8-bit general purpose registers - DHookRegister_AL, - DHookRegister_CL, - DHookRegister_DL, - DHookRegister_BL, - DHookRegister_AH, - DHookRegister_CH, - DHookRegister_DH, - DHookRegister_BH, - - // 32-bit general purpose registers - DHookRegister_EAX, - DHookRegister_ECX, - DHookRegister_EDX, - DHookRegister_EBX, - DHookRegister_ESP, - DHookRegister_EBP, - DHookRegister_ESI, - DHookRegister_EDI, - - // 128-bit XMM registers - DHookRegister_XMM0, - DHookRegister_XMM1, - DHookRegister_XMM2, - DHookRegister_XMM3, - DHookRegister_XMM4, - DHookRegister_XMM5, - DHookRegister_XMM6, - DHookRegister_XMM7, - - // 80-bit FPU registers - DHookRegister_ST0 -}; - -typeset ListenCB -{ - // Deleted - function void (int entity); - - // Created - function void (int entity, const char[] classname); -}; - -typeset DHookRemovalCB -{ - function void (int hookid); -}; - -typeset DHookCallback -{ - // Function Example: void Ham::Test() with this pointer ignore - function MRESReturn (); - - // Function Example: void Ham::Test() with this pointer passed - function MRESReturn (int pThis); - - // Function Example: void Ham::Test(int cake) with this pointer ignore - function MRESReturn (DHookParam hParams); - - // Function Example: void Ham::Test(int cake) with this pointer passed - function MRESReturn (int pThis, DHookParam hParams); - - // Function Example: int Ham::Test() with this pointer ignore - function MRESReturn (DHookReturn hReturn); - - // Function Example: int Ham::Test() with this pointer passed - function MRESReturn (int pThis, DHookReturn hReturn); - - // Function Example: int Ham::Test(int cake) with this pointer ignore - function MRESReturn (DHookReturn hReturn, DHookParam hParams); - - // Function Example: int Ham::Test(int cake) with this pointer passed - function MRESReturn (int pThis, DHookReturn hReturn, DHookParam hParams); - - // Address NOW - - // Function Example: void Ham::Test() with this pointer passed - function MRESReturn (Address pThis); - - // Function Example: void Ham::Test(int cake) with this pointer passed - function MRESReturn (Address pThis, DHookParam hParams); - - // Function Example: int Ham::Test() with this pointer passed - function MRESReturn (Address pThis, DHookReturn hReturn); - - // Function Example: int Ham::Test(int cake) with this pointer passed - function MRESReturn (Address pThis, DHookReturn hReturn, DHookParam hParams); - -}; - -// Represents the parameters of the hooked function. -methodmap DHookParam < Handle -{ - // Get the value of a parameter. - // Use only for: int, entity, edict, bool or float parameter types. - // - // @param num Parameter number to get, starting at 1. Parameter number 0 returns - // the number of parameters. - // - // @return Value if num greater than 0. If 0 returns parameter count. - // If CBaseEntity returns entity index. - // @error Invalid handle, invalid param number or invalid param type. - public native any Get(int num); - - // Get the value of a vector parameter. - // Use only for: vector or vectorptr parameter types. - // - // @param num Parameter number to get, starting at 1. - // @param vec Vector buffer to store result. - // - // @error Invalid handle, invalid param number or invalid param type. - public native void GetVector(int num, float vec[3]); - - // Get the value of a string parameter. - // Use only for: string, stringptr or charptr parameter types. - // - // @param num Parameter number to get, starting at 1. - // @param buffer String buffer to store result. - // @param size Buffer size. - // - // @error Invalid handle, invalid param number or invalid param type. - public native void GetString(int num, char[] buffer, int size); - - // Set the value of a parameter. - // Use only for: int, entity, edict, bool or float parameter types. - // - // An entity parameter type can be set to NULL using INVALID_ENT_REFERENCE (-1). - // - // The changes are only applied when MRES_ChangedHandled or MRES_ChangedOverride - // is returned in the callback. - // - // @param num Parameter number to set starting at 1. - // @param value Value to set it as (only pass int, bool, float or entity index). - // - // @error Invalid handle, invalid param number or invalid param type. - public native void Set(int num, any value); - - // Set the value of a vector parameter. - // Use only for: vector or vectorptr parameter types. - // - // The changes are only applied when MRES_ChangedHandled or MRES_ChangedOverride - // is returned in the callback. - // - // @param num Parameter number to set, starting at 1. - // @param vec Value to set vector as. - // - // @error Invalid handle, invalid param number or invalid param type. - public native void SetVector(int num, const float vec[3]); - - // Set the value of a string parameter. - // Use only for: string, stringptr or charptr parameter types. - // - // The changes are only applied when MRES_ChangedHandled or MRES_ChangedOverride - // is returned in the callback. - // - // @param num Parameter number to set, starting at 1. - // @param value Value to set string as. - // - // @error Invalid handle, invalid param number or invalid param type. - public native void SetString(int num, const char[] value); - - // Gets an object's variable value. - // - // @param num Parameter number to get, starting at 1. - // @param offset Byte offset within the object to the var to get. - // @param type Type of var it is. - // - // @return Value of the objects var. If EHANDLE type or entity returns entity index. - // @error Invalid handle, invalid param number, invalid param type or invalid Object type. - public native any GetObjectVar(int num, int offset, ObjectValueType type); - - // Gets an object's vector variable value. - // - // @param num Parameter number to get, starting at 1. - // @param offset Byte offset within the object to the var to get. - // @param type Type of var it is. - // @param vec Buffer to store the result vector. - // - // @error Invalid handle, invalid param number, invalid param type or invalid Object type. - public native void GetObjectVarVector(int num, int offset, ObjectValueType type, float vec[3]); - - // Gets an object's string variable value. - // - // @param num Parameter number to get, starting at 1. - // @param offset Byte offset within the object to the var to get. - // @param type Type of var it is. - // @param buffer Buffer to store the result string. - // @param size Size of the buffer. - // - // @error Invalid handle, invalid param number, invalid param type or invalid Object type. - public native void GetObjectVarString(int num, int offset, ObjectValueType type, char[] buffer, int size); - - // Sets an object's variable value. - // - // The changes are only applied when MRES_ChangedHandled or MRES_ChangedOverride - // is returned in the callback. - // - // @param num Parameter number to set, starting at 1. - // @param offset Byte offset within the object to the var to set. - // @param type Type of var it is. - // @param value The value to set the var to. - // - // @error Invalid handle, invalid param number, invalid param type or invalid Object type. - public native void SetObjectVar(int num, int offset, ObjectValueType type, any value); - - // Sets an object's vector variable value. - // - // The changes are only applied when MRES_ChangedHandled or MRES_ChangedOverride - // is returned in the callback. - // - // @param num Parameter number to set, starting at 1. - // @param offset Byte offset within the object to the var to set. - // @param type Type of var it is. - // @param vec The value to set the vector var to. - // - // @error Invalid handle, invalid param number, invalid param type or invalid Object type. - public native void SetObjectVarVector(int num, int offset, ObjectValueType type, const float vec[3]); - - // No setter for object strings yet. Open an issue if you really need it. - - // Checks if a pointer parameter is null. - // - // @param num Parameter number to check, starting at 1. - // - // @return true if null, false otherwise. - // @error Non-pointer parameter. - public native bool IsNull(int num); - - // Get param address (Use only for ptr param types) - // - // @param num Param number to get. (Example if the function has 2 params and you need the value - // of the first param num would be 1.) - // - // @return Address of the parameter. - // @error Invalid handle. Invalid param number. Invalid param type. - public native Address GetAddress(int num); -}; - - -// Represents the return value of the hooked function. -methodmap DHookReturn < Handle -{ - // Retrieves or sets the return value. - // Use only for: int, entity, edict, bool or float return types. - // - // An entity return type can be set to NULL using INVALID_ENT_REFERENCE (-1). - // - // The return value is only readable in a post hook. - // The value is only applied when MRES_Override or MRES_Supercede is returned - // in the callback. - property any Value { - public native get(); - public native set(any value); - } - - // Get return vector value. - // Use only for: vector or vectorptr return types. - // - // Only useful in post hooks. - // - // @param vec Vector buffer to store result in. - // - // @error Invalid Handle or invalid type. - public native void GetVector(float vec[3]); - - // Get return string value. - // Use only for: string, stringptr or charptr return types. - // - // Only useful in post hooks. - // - // @param buffer String buffer to store result in. - // @param size String buffer size. - // - // @error Invalid Handle or invalid type. - public native void GetString(char[] buffer, int size); - - // Set return vector value. - // Use only for: vector or vectorptr return types. - // - // The value is only applied when MRES_Override or MRES_Supercede is returned - // in the callback. - // - // @param vec Value to set return vector to. - // - // @error Invalid Handle or invalid type. - public native void SetVector(const float vec[3]); - - // Set return string value. - // Use only for: string, stringptr or charptr return types. - // - // The value is only applied when MRES_Override or MRES_Supercede is returned - // in the callback. - // - // @param buffer Value to set return string to. - // - // @error Invalid Handle or invalid type. - public native void SetString(const char[] buffer); -}; - -// Base method map for common functions between virtual hooks and detours. -methodmap DHookSetup < Handle -{ - // Load address or offset for a vtable hook or detour from a gamedata file. - // - // @param gameconf GameData handle. - // @param source Whether to look in Offsets, Signatures, or Addresses. - // @param name Name of the property to find. - // - // @return true on success, false if nothing was found. - // @error Invalid setup or gamedata handle. - public native bool SetFromConf(Handle gameconf, SDKFuncConfSource source, const char[] name); - - // Adds a parameter to a hook setup. - // - // @param type Parameter type. - // @param size Used for Objects (not Object ptr) to define the size of the object. - // @param flag Used to change the pass type (ignored by detours). - // @param custom_register The register this argument is passed in instead of the stack (ignored by vhooks). - // - // @error Invalid setup handle or too many params added (request upping the max in thread). - public native void AddParam(HookParamType type, int size=-1, DHookPassFlag flag=DHookPass_ByVal, DHookRegister custom_register=DHookRegister_Default); -}; - -// A DynamicHook allows to hook a virtual function on any C++ object. -// Currently CBaseEntity and CGameRules have a convenience API for easy entity hooking, -// but it's possible to provide a raw this-pointer to hook any object in memory too. -// -// Internally this intercepts function calls by replacing the function pointer -// in the virtual table of the object with our own function. -methodmap DynamicHook < DHookSetup -{ - // Creates a vtable hook. - // - // @param offset Virtual table offset of function to hook. - // @param hooktype Type of hook. - // @param returntype Type of return value. - // @param thistype Type of this pointer or ignore (ignore can be used if not needed). - // - // @error Failed to create hook setup handle or invalid callback function. - public native DynamicHook(int offset, HookType hooktype, ReturnType returntype, ThisPointerType thistype); - - // Setup a vtable hook for a function as described in a "Functions" section in gamedata. - // The "Functions" section is parsed once the gamedata file is loaded and cached globally. - // - // @param gameconf GameData handle to use for address lookup. - // Doesn't have to be the same as the one with the "Functions" section. - // @param name Name of the function in a "Functions" section to load. - // - // @return Setup handle for the detour or null if offset wasn't found. - // @error Failed to create detour setup handle, invalid gamedata handle, - // invalid callback function or failed to find function in cached "Functions" sections. - public static native DynamicHook FromConf(Handle gameconf, const char[] name); - - // Hook an entity. - // - // Entity hooks are auto-removed when the entity is destroyed. - // If you need to read the return value of the function, choose a post hook. - // - // @param mode The desired hook mode - pre or post. - // A pre hook calls your callback BEFORE the original function is called. - // You can access the parameters, set the return value, and skip the original function. - // A post hook calls your callback AFTER the original function executed. - // You can access the parameters and get/set the return value. - // @param entity Entity index to hook on. - // @param callback Callback function. - // @param removalcb Optional callback for when the hook is removed. - // - // @return A hookid on success, INVALID_HOOK_ID otherwise. - // @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - public native int HookEntity(HookMode mode, int entity, DHookCallback callback, DHookRemovalCB removalcb=INVALID_FUNCTION); - - // Hook gamerules object. - // - // Game rules hooks are auto-removed on map end. - // If you need to read the return value of the function, choose a post hook. - // - // @param mode The desired hook mode - pre or post. - // A pre hook calls your callback BEFORE the original function is called. - // You can access the parameters, set the return value, and skip the original function. - // A post hook calls your callback AFTER the original function executed. - // You can access the parameters and get/set the return value. - // @param callback Callback function. - // @param removalcb Optional callback for when the hook is removed. - // - // @return A hookid on success, INVALID_HOOK_ID otherwise. - // @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - public native int HookGamerules(HookMode mode, DHookCallback callback, DHookRemovalCB removalcb=INVALID_FUNCTION); - - // Hook a raw this-pointer. - // If you need to read the return value of the function, choose a post hook. - // - // @param mode The desired hook mode - pre or post. - // A pre hook calls your callback BEFORE the original function is called. - // You can access the parameters, set the return value, and skip the original function. - // A post hook calls your callback AFTER the original function executed. - // You can access the parameters and get/set the return value. - // @param addr This pointer address. - // @param callback Callback function. - // - // @return A hookid on success, INVALID_HOOK_ID otherwise. - // @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - public native int HookRaw(HookMode mode, Address addr, DHookCallback callback); - - // Remove hook by hook id. - // - // @param hookid Hook id to remove. - // - // @return true on success, false otherwise - public static native bool RemoveHook(int hookid); -}; - -// A DynamicDetour is a way to hook and block any function in memory. -// Given the address of a function, it can call a callback in your script whenever -// the function gets called. The callback has access to all parameters of the function -// as well as the return value. -// -// Internally this works by replacing the first instructions of the function -// with a jump to our own code. This means that the signature used to find -// the function address in the first place might not match anymore after a detour. -// If you need to detour the same function in different plugins make sure to -// wildcard \x2a the first 6 bytes of the signature to accommodate for the patched -// jump introduced by the detour. -methodmap DynamicDetour < DHookSetup -{ - // Creates a detour. - // - // @param funcaddr The address of the function to detour. - // Can be Address_Null if you want to load the address from gamedata using DHookSetFromConf. - // @param callConv Calling convention of the function. - // @param returnType Type of the return value. - // @param thisType Type of this pointer or ignore (ignore can be used if not needed). - // Only used for thiscall detours. - // - // @error Failed to create detour setup handle. - public native DynamicDetour(Address funcaddr, CallingConvention callConv, ReturnType returntype, ThisPointerType thisType=ThisPointer_Ignore); - - // Setup a detour for a function as described in a "Functions" section in gamedata. - // The "Functions" section is parsed once the gamedata file is loaded and cached globally. - // - // @param gameconf GameData handle to use for address lookup. - // Doesn't have to be the same as the one with the "Functions" section. - // @param name Name of the function in a "Functions" section to load. - // - // @return Setup handle for the detour or null if offset wasn't found. - // @error Failed to create detour setup handle, invalid gamedata handle, - // invalid callback function or failed to find function in cached "Functions" sections. - public static native DynamicDetour FromConf(Handle gameconf, const char[] name); - - // Enable the detour of the function described in this detour setup. - // If you need to read the return value of the function, choose a post hook. - // - // @param mode The desired hook mode - pre or post. - // A pre hook calls your callback BEFORE the original function is called. - // You can access the parameters, set the return value, and skip the original function. - // A post hook calls your callback AFTER the original function executed. - // You can access the parameters and get/set the return value. - // @param callback Callback function. - // - // @return true if detour was enabled, false otherwise. - // @error Hook handle is not setup for a detour. - public native bool Enable(HookMode mode, DHookCallback callback); - - // Disable the detour of the function described in this detour setup. - // - // @param mode The hook mode to disable - pre or post. - // @param callback Callback function. - // - // @return true if detour was disabled, false otherwise. - // @error Hook handle is not setup for a detour or function is not detoured. - public native bool Disable(HookMode mode, DHookCallback callback); -}; - -/** - * Adds an entity listener hook - * - * @param type Type of listener to add - * @param callback Callback to use - */ -native void DHookAddEntityListener(ListenType type, ListenCB callback); - -/** - * Removes an entity listener hook - * - * @param type Type of listener to remove - * @param callback Callback this listener was using - * - * @return true if one was removed, false otherwise - */ -native bool DHookRemoveEntityListener(ListenType type, ListenCB callback); - -/** - * Creates a hook - * - * @param offset vtable offset of function to hook - * @param hooktype Type of hook - * @param returntype Type of return value - * @param thistype Type of this pointer or ignore (ignore can be used if not needed) - * @param callback Optional callback function, if not set here must be set when hooking. - * - * @return Returns setup handle for the hook. - * @error Failed to create hook setup handle or invalid callback function. - */ -native DynamicHook DHookCreate(int offset, HookType hooktype, ReturnType returntype, ThisPointerType thistype, DHookCallback callback=INVALID_FUNCTION); - -/** - * Creates a detour - * - * @param funcaddr The address of the function to detour. - * Can be Address_Null if you want to load the address from gamedata using DHookSetFromConf. - * @param callConv Calling convention of the function. - * @param returnType Type of the return value. - * @param thisType Type of this pointer or ignore (ignore can be used if not needed) - * - * @return Setup handle for the detour. - * @error Failed to create detour setup handle. - */ -native DynamicDetour DHookCreateDetour(Address funcaddr, CallingConvention callConv, ReturnType returntype, ThisPointerType thisType); - -/** - * Setup a detour or hook for a function as described in a "Functions" section in gamedata. - * - * @param gameconf GameConfig handle - * @param name Name of the function in the gamedata to load. - * - * @return Setup handle for the detour or INVALID_HANDLE if offset/signature/address wasn't found. - * @error Failed to create detour setup handle, invalid gamedata handle, invalid callback function or - * failed to find function in gamedata. - */ -native DHookSetup DHookCreateFromConf(Handle gameconf, const char[] name); - -/** - * Load details for a vhook or detour from a gamedata file. - * - * @param setup Hook setup handle to set the offset or address on. - * @param gameconf GameConfig handle - * @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. - * @error Invalid setup or gamedata handle. - */ -native bool DHookSetFromConf(Handle setup, Handle gameconf, SDKFuncConfSource source, const char[] name); - -/** - * Enable the detour of the function described in the hook setup handle. - * - * @param setup Hook setup handle - * @param post true to make the hook a post hook. (If you need to change the return value or need the return - * value use a post hook! If you need to change params and return use a pre and post hook!) - * @param callback Callback function - * - * @return true if detour was enabled, false otherwise. - * @error Hook handle is not setup for a detour. - */ -native bool DHookEnableDetour(Handle setup, bool post, DHookCallback callback); - -/** - * Disable the detour of the function described in the hook setup handle. - * - * @param setup Hook setup handle - * @param post true to disable a post hook. - * @param callback Callback function - * - * @return true if detour was disabled, false otherwise. - * @error Hook handle is not setup for a detour or function is not detoured. - */ -native bool DHookDisableDetour(Handle setup, bool post, DHookCallback callback); - -/** - * Adds param to a hook setup - * - * @param setup Setup handle to add the param to. - * @param type Param type - * @param size Used for Objects (not Object ptr) to define the size of the object. - * @param flag Used to change the pass type. - * @param custom_register The register this argument is passed in instead of the stack. - * - * @error Invalid setup handle or too many params added (request upping the max in thread) - */ -native void DHookAddParam(Handle setup, HookParamType type, int size=-1, DHookPassFlag flag=DHookPass_ByVal, DHookRegister custom_register=DHookRegister_Default); - -/** - * Hook entity - * - * @param setup Setup handle to use to add the hook. - * @param post true to make the hook a post hook. (If you need to change the return value or need the return - * value use a post hook! If you need to change params and return use a pre and post hook!) - * @param entity Entity index to hook on. - * @param removalcb Callback for when the hook is removed (Entity hooks are auto-removed on entity destroyed and - * will call this callback) - * @param callback Optional callback function, if not set here must be set when creating the hook. - * - * @return INVALID_HOOK_ID on fail a hookid on success - * @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - */ -native int DHookEntity(Handle setup, bool post, int entity, DHookRemovalCB removalcb=INVALID_FUNCTION, DHookCallback callback=INVALID_FUNCTION); - -/** - * Hook gamerules - * - * @param setup Setup handle to use to add the hook. - * @param post true to make the hook a post hook. (If you need to change the return value or need the return - * value use a post hook! If you need to change params and return use a pre and post hook!) - * @param removalcb Callback for when the hook is removed (Game rules hooks are auto-removed on map end and will - * call this callback) - * @param callback Optional callback function, if not set here must be set when creating the hook. - * - * @return INVALID_HOOK_ID on fail a hookid on success - * @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - */ -native int DHookGamerules(Handle setup, bool post, DHookRemovalCB removalcb=INVALID_FUNCTION, DHookCallback callback=INVALID_FUNCTION); - -/** - * Hook a raw pointer - * - * @param setup Setup handle to use to add the hook. - * @param post true to make the hook a post hook. (If you need to change the return value or need the return - * alue use a post hook! If you need to change params and return use a pre and post hook!) - * @param addr This pointer address. - * @param removalcb Callback for when the hook is removed (Entity hooks are auto-removed on entity destroyed and - * will call this callback) - * @param callback Optional callback function, if not set here must be set when creating the hook. - * - * @return INVALID_HOOK_ID on fail a hookid on success - * @error Invalid setup handle, invalid address, invalid hook type or invalid callback. - */ -native int DHookRaw(Handle setup, bool post, Address addr, DHookRemovalCB removalcb=INVALID_FUNCTION, DHookCallback callback=INVALID_FUNCTION); - -/** - * Remove hook by hook id - * - * @param hookid Hook id to remove - * - * @return true on success, false otherwise - */ -native bool DHookRemoveHookID(int hookid); - -/** - * Get param value (Use only for: int, entity, edict, bool or float param types) - * - * @param hParams Handle to params structure - * @param num Param number to get. (Example if the function has 2 params and you need the value of the first - * param num would be 1. 0 Will return the number of params stored) - * - * @return value if num greater than 0. If 0 returns paramcount. - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native any DHookGetParam(Handle hParams, int num); - -/** - * Get vector param value - * - * @param hParams Handle to params structure - * @param num Param number to get. (Example if the function has 2 params and you need the value of the first - * param num would be 1.) - * @param vec Vector buffer to store result. - * - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native void DHookGetParamVector(Handle hParams, int num, float vec[3]); - -/** - * Get string param value - * - * @param hParams Handle to params structure - * @param num Param number to get. (Example if the function has 2 params and you need the value of the first - * param num would be 1.) - * @param buffer String buffer to store result - * @param size Buffer size - * - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native void DHookGetParamString(Handle hParams, int num, char[] buffer, int size); - -/** - * Set param value (Use only for: int, entity, edict, bool or float param types) - * - * An entity param type can be set to NULL using INVALID_ENT_REFERENCE (-1). - * - * @param hParams Handle to params structure - * @param num Param number to set (Example if the function has 2 params and you need to set the value of the - * first param num would be 1.) - * @param value Value to set it as (only pass int, bool, float or entity index) - * - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native void DHookSetParam(Handle hParams, int num, any value); - -/** - * Set vector param value - * - * @param hParams Handle to params structure - * @param num Param number to set (Example if the function has 2 params and you need to set the value of the - * first param num would be 1.) - * @param vec Value to set vector as. - * - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native void DHookSetParamVector(Handle hParams, int num, float vec[3]); - -/** - * Set string param value - * - * @param hParams Handle to params structure - * @param num Param number to set (Example if the function has 2 params and you need to set the value of the - * first param num would be 1.) - * @param value Value to set string as. - * - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native void DHookSetParamString(Handle hParams, int num, char[] value); - -/** - * Get return value (Use only for: int, entity, bool or float return types) - * - * @param hReturn Handle to return structure - * - * @error Invalid Handle, invalid type. - * @return Returns default value if prehook returns actual value if post hook. - */ -native any DHookGetReturn(Handle hReturn); - -/** - * Get return vector value - * - * @param hReturn Handle to return structure - * @param vec Vector buffer to store result in. (In pre hooks will be default value (0.0,0.0,0.0)) - * - * @error Invalid Handle, invalid type. - */ -native void DHookGetReturnVector(Handle hReturn, float vec[3]); - -/** - * Get return string value - * - * @param hReturn Handle to return structure - * @param buffer String buffer to store result in. (In pre hooks will be default value "") - * @param size String buffer size - * - * @error Invalid Handle, invalid type. - */ -native void DHookGetReturnString(Handle hReturn, char[] buffer, int size); - -/** - * Set return value (Use only for: int, entity, bool or float return types) - * - * An entity return type can be set to NULL using INVALID_ENT_REFERENCE (-1). - * - * @param hReturn Handle to return structure - * @param value Value to set return as - * - * @error Invalid Handle, invalid type. - */ -native void DHookSetReturn(Handle hReturn, any value); - -/** - * Set return vector value - * - * @param hReturn Handle to return structure - * @param vec Value to set return vector as - * - * @error Invalid Handle, invalid type. - */ -native void DHookSetReturnVector(Handle hReturn, float vec[3]); - -/** - * Set return string value - * - * @param hReturn Handle to return structure - * @param value Value to set return string as - * - * @error Invalid Handle, invalid type. - */ -native void DHookSetReturnString(Handle hReturn, char[] value); - -//WE SHOULD WRAP THESE AROUND STOCKS FOR NON PTR AS WE SUPPORT BOTH WITH THESE NATIVE'S - -/** - * Gets an objects variable value - * - * @param hParams Handle to params structure - * @param num Param number to get. - * @param offset Offset within the object to the var to get. - * @param type Type of var it is - * - * @error Invalid handle. Invalid param number. Invalid param type. Invalid Object type. - * @return Value of the objects var. If EHANDLE type or entity returns entity index. - */ -native any DHookGetParamObjectPtrVar(Handle hParams, int num, int offset, ObjectValueType type); - -/** - * Sets an objects variable value - * - * @param hParams Handle to params structure - * @param num Param number to set. - * @param offset Offset within the object to the var to set. - * @param type Type of var it is - * @param value The value to set the var to. - * - * @error Invalid handle. Invalid param number. Invalid param type. Invalid Object type. - */ -native void DHookSetParamObjectPtrVar(Handle hParams, int num, int offset, ObjectValueType type, any value); - -/** - * Gets an objects vector variable value - * - * @param hParams Handle to params structure - * @param num Param number to get. - * @param offset Offset within the object to the var to get. - * @param type Type of var it is - * @param buffer Buffer to store the result vector - * - * @error Invalid handle. Invalid param number. Invalid param type. Invalid Object type. - */ -native void DHookGetParamObjectPtrVarVector(Handle hParams, int num, int offset, ObjectValueType type, float buffer[3]); - -/** - * Sets an objects vector variable value - * - * @param hParams Handle to params structure - * @param num Param number to set. - * @param offset Offset within the object to the var to set. - * @param type Type of var it is - * @param value The value to set the vector var to. - * - * @error Invalid handle. Invalid param number. Invalid param type. Invalid Object type. - */ -native void DHookSetParamObjectPtrVarVector(Handle hParams, int num, int offset, ObjectValueType type, float value[3]); - -/** - * Gets an objects string variable value - * - * @param hParams Handle to params structure - * @param num Param number to get. - * @param offset Offset within the object to the var to get. - * @param type Type of var it is - * @param buffer Buffer to store the result vector - * @param size Size of the buffer - * - * @error Invalid handle. Invalid param number. Invalid param type. Invalid Object type. - */ -native void DHookGetParamObjectPtrString(Handle hParams, int num, int offset, ObjectValueType type, char[] buffer, int size); - -/** - * Checks if a pointer param is null - * - * @param hParams Handle to params structure - * @param num Param number to check. - * - * @return true if null, false otherwise. - * @error Non pointer param - */ -native bool DHookIsNullParam(Handle hParams, int num); - -/** - * Get param address (Use only for ptr param types) - * - * @param hParams Handle to params structure - * @param num Param number to get. (Example if the function has 2 params and you need the value of the first - * param num would be 1.) - * - * @return Address of the parameter. - * @error Invalid handle. Invalid param number. Invalid param type. - */ -native Address DHookGetParamAddress(Handle hParams, int num); - -public Extension __ext_dhooks = -{ - name = "dhooks", - file = "dhooks.ext", -#if defined AUTOLOAD_EXTENSIONS - autoload = 1, -#else - autoload = 0, -#endif -#if defined REQUIRE_EXTENSIONS - required = 1, -#else - required = 0, -#endif -}; - -#if !defined REQUIRE_EXTENSIONS -public __ext_dhooks_SetNTVOptional() -{ - MarkNativeAsOptional("DHookAddEntityListener"); - MarkNativeAsOptional("DHookRemoveEntityListener"); - MarkNativeAsOptional("DHookCreate"); - MarkNativeAsOptional("DHookCreateDetour"); - MarkNativeAsOptional("DHookCreateFromConf"); - MarkNativeAsOptional("DHookSetFromConf"); - MarkNativeAsOptional("DHookEnableDetour"); - MarkNativeAsOptional("DHookDisableDetour"); - MarkNativeAsOptional("DHookAddParam"); - MarkNativeAsOptional("DHookEntity"); - MarkNativeAsOptional("DHookGamerules"); - MarkNativeAsOptional("DHookRaw"); - MarkNativeAsOptional("DHookRemoveHookID"); - MarkNativeAsOptional("DHookGetParam"); - MarkNativeAsOptional("DHookGetParamVector"); - MarkNativeAsOptional("DHookGetParamString"); - MarkNativeAsOptional("DHookSetParam"); - MarkNativeAsOptional("DHookSetParamVector"); - MarkNativeAsOptional("DHookSetParamString"); - MarkNativeAsOptional("DHookGetReturn"); - MarkNativeAsOptional("DHookGetReturnVector"); - MarkNativeAsOptional("DHookGetReturnString"); - MarkNativeAsOptional("DHookSetReturn"); - MarkNativeAsOptional("DHookSetReturnVector"); - MarkNativeAsOptional("DHookSetReturnString"); - MarkNativeAsOptional("DHookGetParamObjectPtrVar"); - MarkNativeAsOptional("DHookSetParamObjectPtrVar"); - MarkNativeAsOptional("DHookGetParamObjectPtrVarVector"); - MarkNativeAsOptional("DHookSetParamObjectPtrVarVector"); - MarkNativeAsOptional("DHookIsNullParam"); - MarkNativeAsOptional("DHookGetParamObjectPtrString"); - MarkNativeAsOptional("DHookGetParamAddress"); - - MarkNativeAsOptional("DHookParam.IsNull"); - MarkNativeAsOptional("DHookParam.Get"); - MarkNativeAsOptional("DHookParam.GetVector"); - MarkNativeAsOptional("DHookParam.GetString"); - MarkNativeAsOptional("DHookParam.Set"); - MarkNativeAsOptional("DHookParam.SetVector"); - MarkNativeAsOptional("DHookParam.SetString"); - MarkNativeAsOptional("DHookParam.GetObjectVar"); - MarkNativeAsOptional("DHookParam.GetObjectVarVector"); - MarkNativeAsOptional("DHookParam.GetObjectVarString"); - MarkNativeAsOptional("DHookParam.SetObjectVar"); - MarkNativeAsOptional("DHookParam.SetObjectVarVector"); - MarkNativeAsOptional("DHookParam.GetAddress"); - MarkNativeAsOptional("DHookReturn.Value.get"); - MarkNativeAsOptional("DHookReturn.Value.set"); - MarkNativeAsOptional("DHookReturn.GetVector"); - MarkNativeAsOptional("DHookReturn.GetString"); - MarkNativeAsOptional("DHookReturn.SetVector"); - MarkNativeAsOptional("DHookReturn.SetString"); - MarkNativeAsOptional("DHookSetup.SetFromConf"); - MarkNativeAsOptional("DHookSetup.AddParam"); - MarkNativeAsOptional("DynamicHook.DynamicHook"); - MarkNativeAsOptional("DynamicHook.FromConf"); - MarkNativeAsOptional("DynamicHook.HookEntity"); - MarkNativeAsOptional("DynamicHook.HookGamerules"); - MarkNativeAsOptional("DynamicHook.HookRaw"); - MarkNativeAsOptional("DynamicHook.RemoveHook"); - MarkNativeAsOptional("DynamicDetour.DynamicDetour"); - MarkNativeAsOptional("DynamicDetour.FromConf"); - MarkNativeAsOptional("DynamicDetour.Enable"); - MarkNativeAsOptional("DynamicDetour.Disable"); -} -#endif |