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Added Critical Hit hook to TF2 extension

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--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%402016
This commit is contained in:
Matt Woodrow 2008-04-10 04:49:17 +00:00
parent 430a860927
commit ec69b34cbb
10 changed files with 733 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
extensions/tf2/Makefile
View File

@ -17,7 +17,7 @@ PROJECT = game.tf2
#Uncomment for Metamod: Source enabled extension
USEMETA = true
OBJECTS = sdk/smsdk_ext.cpp extension.cpp natives.cpp RegNatives.cpp
OBJECTS = sdk/smsdk_ext.cpp extension.cpp natives.cpp RegNatives.cpp criticals.cpp
##############################################
### CONFIGURE ANY OTHER FLAGS/OPTIONS HERE ###

422
extensions/tf2/criticals.cpp Normal file
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@ -0,0 +1,422 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod TF2 Extension
* 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 "criticals.h"
ISourcePawnEngine *spengine = NULL;
CriticalHitManager g_CriticalHitManager;
IServerGameEnts *gameents = NULL;
int g_returnvalue;
bool CriticalHitManager::CreateCriticalDetour()
{
if (!g_pGameConf->GetMemSig("CalcCritical", &critical_address) || !critical_address)
{
g_pSM->LogError(myself, "Could not locate CalcCritical - Disabling Critical Hit forward");
return false;
}
if (!g_pGameConf->GetOffset("CalcCriticalBackup", (int *)&(critical_restore.bytes)))
{
g_pSM->LogError(myself, "Could not locate CalcCriticalBackup - Disabling Critical Hit forward");
return false;
}
/* First, save restore bits */
for (size_t i=0; i<critical_restore.bytes; i++)
{
critical_restore.patch[i] = ((unsigned char *)critical_address)[i];
}
critical_callback = spengine->ExecAlloc(100);
JitWriter wr;
JitWriter *jit = &wr;
wr.outbase = (jitcode_t)critical_callback;
wr.outptr = wr.outbase;
/* Function we are detouring into is
*
* void CriticalDetour(CTFWeaponBase(void *) *pWeapon)
*
* push pWeapon [ecx]
*/
#if defined PLATFORM_WINDOWS
IA32_Push_Reg(jit, REG_ECX);
#elif defined PLATFORM_LINUX
IA32_Push_Rm_Disp8_ESP(jit, 4);
#endif
jitoffs_t call = IA32_Call_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (void *)TempDetour);
#if defined PLATFORM_LINUX
IA32_Add_Rm_Imm8(jit, REG_ESP, 4, MOD_REG); //add esp, 4
#elif defined PLATFORM_WINDOWS
IA32_Pop_Reg(jit, REG_ECX);
#endif
//If TempDetour returns non-zero we want to load something into eax and return this value
//IA32_Test_Rm_Reg(jit, eax, eax, something);
jit->write_ubyte(0x85);
jit->write_ubyte(0xC0);
//JNZ critical_callback+50
jit->write_ubyte(0x75);
jit->write_ubyte(50-((jit->outptr+1)-jit->outbase));
/* Patch old bytes in */
for (size_t i=0; i<critical_restore.bytes; i++)
{
jit->write_ubyte(critical_restore.patch[i]);
}
/* Return to the original function */
call = IA32_Jump_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (unsigned char *)critical_address + critical_restore.bytes);
wr.outbase = (jitcode_t)critical_callback+50;
wr.outptr = wr.outbase;
//copy g_returnvalue into eax
jit->write_ubyte(0xA1);
jit->write_uint32((jit_uint32_t)&g_returnvalue);
IA32_Return(jit);
return true;
}
bool CriticalHitManager::CreateCriticalMeleeDetour()
{
if (!g_pGameConf->GetMemSig("CalcCriticalMelee", &melee_address) || !melee_address)
{
g_pSM->LogError(myself, "Could not locate CalcCriticalMelee - Disabling Critical Hit forward");
return false;
}
if (!g_pGameConf->GetOffset("CalcCriticalMeleeBackup", (int *)&(melee_restore.bytes)))
{
g_pSM->LogError(myself, "Could not locate CalcCriticalMeleeBackup - Disabling Critical Hit forward");
return false;
}
/* First, save restore bits */
for (size_t i=0; i<melee_restore.bytes; i++)
{
melee_restore.patch[i] = ((unsigned char *)melee_address)[i];
}
melee_callback = spengine->ExecAlloc(100);
JitWriter wr;
JitWriter *jit = &wr;
wr.outbase = (jitcode_t)melee_callback;
wr.outptr = wr.outbase;
/* Function we are detouring into is
*
* void CriticalDetour(CTFWeaponBase(void *) *pWeapon)
*
* push pWeapon [ecx]
*/
#if defined PLATFORM_WINDOWS
IA32_Push_Reg(jit, REG_ECX);
#elif defined PLATFORM_LINUX
IA32_Push_Rm_Disp8_ESP(jit, 4);
#endif
jitoffs_t call = IA32_Call_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (void *)TempDetour);
#if defined PLATFORM_LINUX
IA32_Add_Rm_Imm8(jit, REG_ESP, 4, MOD_REG); //add esp, 4
#elif defined PLATFORM_WINDOWS
IA32_Pop_Reg(jit, REG_ECX);
#endif
//If TempDetour returns non-zero we want to load something into eax and return this value
//IA32_Test_Rm_Reg(jit, eax, eax, something);
jit->write_ubyte(0x85);
jit->write_ubyte(0xC0);
//JNZ critical_callback+50
jit->write_ubyte(0x75);
jit->write_ubyte(50-((jit->outptr+1)-jit->outbase));
/* Patch old bytes in */
for (size_t i=0; i<melee_restore.bytes; i++)
{
jit->write_ubyte(melee_restore.patch[i]);
}
/* Return to the original function */
call = IA32_Jump_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (unsigned char *)melee_address + melee_restore.bytes);
wr.outbase = (jitcode_t)melee_callback+50;
wr.outptr = wr.outbase;
//copy g_returnvalue into eax
jit->write_ubyte(0xA1);
jit->write_uint32((jit_uint32_t)&g_returnvalue);
IA32_Return(jit);
return true;
}
bool CriticalHitManager::CreateCriticalKnifeDetour()
{
if (!g_pGameConf->GetMemSig("CalcCriticalKnife", &knife_address) || !knife_address)
{
g_pSM->LogError(myself, "Could not locate CalcCriticalKnife - Disabling Critical Hit forward");
return false;
}
if (!g_pGameConf->GetOffset("CalcCriticalMeleeBackup", (int *)&(knife_restore.bytes)))
{
g_pSM->LogError(myself, "Could not locate CalcCriticalKnifeBackup - Disabling Critical Hit forward");
return false;
}
/* First, save restore bits */
for (size_t i=0; i<knife_restore.bytes; i++)
{
knife_restore.patch[i] = ((unsigned char *)knife_address)[i];
}
knife_callback = spengine->ExecAlloc(100);
JitWriter wr;
JitWriter *jit = &wr;
wr.outbase = (jitcode_t)knife_callback;
wr.outptr = wr.outbase;
/* Function we are detouring into is
*
* void CriticalDetour(CTFWeaponBase(void *) *pWeapon)
*
* push pWeapon [ecx]
*/
#if defined PLATFORM_WINDOWS
IA32_Push_Reg(jit, REG_ECX);
#elif defined PLATFORM_LINUX
IA32_Push_Rm_Disp8_ESP(jit, 4);
#endif
jitoffs_t call = IA32_Call_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (void *)TempDetour);
#if defined PLATFORM_LINUX
IA32_Add_Rm_Imm8(jit, REG_ESP, 4, MOD_REG); //add esp, 4
#elif defined PLATFORM_WINDOWS
IA32_Pop_Reg(jit, REG_ECX);
#endif
//If TempDetour returns non-zero we want to load something into eax and return this value
//IA32_Test_Rm_Reg(jit, eax, eax, something);
jit->write_ubyte(0x85);
jit->write_ubyte(0xC0);
//JNZ critical_callback+50
jit->write_ubyte(0x75);
jit->write_ubyte(50-((jit->outptr+1)-jit->outbase));
/* Patch old bytes in */
for (size_t i=0; i<knife_restore.bytes; i++)
{
jit->write_ubyte(knife_restore.patch[i]);
}
/* Return to the original function */
call = IA32_Jump_Imm32(jit, 0);
IA32_Write_Jump32_Abs(jit, call, (unsigned char *)knife_address + knife_restore.bytes);
wr.outbase = (jitcode_t)knife_callback+50;
wr.outptr = wr.outbase;
//copy g_returnvalue into eax
jit->write_ubyte(0xA1);
jit->write_uint32((jit_uint32_t)&g_returnvalue);
IA32_Return(jit);
return true;
}
void CriticalHitManager::EnableCriticalDetour()
{
if (!detoured)
{
DoGatePatch((unsigned char *)critical_address, &critical_callback);
DoGatePatch((unsigned char *)melee_address, &melee_callback);
DoGatePatch((unsigned char *)knife_address, &knife_callback);
detoured = true;
}
}
void CriticalHitManager::DeleteCriticalDetour()
{
if (detoured)
{
DisableCriticalDetour();
}
if (critical_callback)
{
/* Free the gate */
spengine->ExecFree(critical_callback);
critical_callback = NULL;
}
if (melee_callback)
{
/* Free the gate */
spengine->ExecFree(melee_callback);
melee_callback = NULL;
}
if (knife_callback)
{
/* Free the gate */
spengine->ExecFree(knife_callback);
knife_callback = NULL;
}
}
bool TempDetour(void *pWeapon)
{
return g_CriticalHitManager.CriticalDetour(pWeapon);
}
void CriticalHitManager::DisableCriticalDetour()
{
if (critical_callback)
{
/* Remove the patch */
ApplyPatch(critical_address, 0, &critical_restore, NULL);
detoured = false;
}
if (melee_callback)
{
/* Remove the patch */
ApplyPatch(melee_address, 0, &melee_restore, NULL);
detoured = false;
}
if (melee_callback)
{
/* Remove the patch */
ApplyPatch(knife_address, 0, &knife_restore, NULL);
detoured = false;
}
}
int CheckBaseHandle(CBaseHandle &hndl)
{
if (!hndl.IsValid())
{
return -1;
}
int index = hndl.GetEntryIndex();
edict_t *pStoredEdict;
pStoredEdict = engine->PEntityOfEntIndex(index);
if (pStoredEdict == NULL)
{
return -1;
}
IServerEntity *pSE = pStoredEdict->GetIServerEntity();
if (pSE == NULL)
{
return -1;
}
if (pSE->GetRefEHandle() != hndl)
{
return -1;
}
return index;
}
bool CriticalHitManager::CriticalDetour(void *pWeapon)
{
edict_t *pEdict = gameents->BaseEntityToEdict((CBaseEntity *)pWeapon);
if (!pEdict)
{
g_pSM->LogMessage(myself, "Entity Error");
return false;
}
sm_sendprop_info_t info;
if (!gamehelpers->FindSendPropInfo(pEdict->GetNetworkable()->GetServerClass()->GetName(), "m_hOwnerEntity", &info))
{
g_pSM->LogMessage(myself, "Offset Error");
return false;
}
if (!forward)
{
g_pSM->LogMessage(myself, "Invalid Forward");
return false;
}
CBaseHandle &hndl = *(CBaseHandle *)((uint8_t *)pWeapon + info.actual_offset);
int index = CheckBaseHandle(hndl);
forward->PushCell(index); //Client index
forward->PushCell(engine->IndexOfEdict(pEdict)); // Weapon index
forward->PushString(pEdict->GetClassName()); //Weapon classname
forward->PushCellByRef(&g_returnvalue); //return value
cell_t result = 0;
forward->Execute(&result);
return !!result;
}

125
extensions/tf2/criticals.h Normal file
View File

@ -0,0 +1,125 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod TF2 Extension
* 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 "extension.h"
#include <jit/jit_helpers.h>
#include <jit/x86/x86_macros.h>
#include "detours.h"
class CriticalHitManager
{
public:
CriticalHitManager()
{
enabled = false;
detoured = false;
critical_address = NULL;
critical_callback = NULL;
melee_address = NULL;
melee_callback = NULL;
knife_address = NULL;
knife_callback = NULL;
forward = NULL;
}
~CriticalHitManager()
{
forwards->ReleaseForward(forward);
DeleteCriticalDetour();
}
void Init()
{
if (!CreateCriticalDetour() || !CreateCriticalMeleeDetour() || !CreateCriticalKnifeDetour())
{
enabled = false;
return;
}
forward = forwards->CreateForward("TF2_CalcIsAttackCritical", ET_Hook, 4, NULL, Param_Cell, Param_Cell, Param_String, Param_CellByRef);
if (!forward)
{
g_pSM->LogError(myself, "Failed to create forward - Disabling critical hit hook");
enabled = false;
return;
}
/* TODO: Only enable this once forwards exist. Requires IForwardListener functionality */
EnableCriticalDetour();
enabled = true;
}
bool IsEnabled()
{
return enabled;
}
bool CriticalDetour(void *pWeapon);
private:
IForward *forward;
/* These create/delete the allocated memory */
bool CreateCriticalDetour();
bool CreateCriticalMeleeDetour();
bool CreateCriticalKnifeDetour();
void DeleteCriticalDetour();
/* These patch/unpatch the server.dll */
void EnableCriticalDetour();
void DisableCriticalDetour();
bool enabled;
bool detoured;
patch_t critical_restore;
void *critical_address;
void *critical_callback;
patch_t melee_restore;
void *melee_address;
void *melee_callback;
patch_t knife_restore;
void *knife_address;
void *knife_callback;
};
bool TempDetour(void *pWeapon);
extern ISourcePawnEngine *spengine;
extern IServerGameEnts *gameents;
extern CriticalHitManager g_CriticalHitManager;

98
extensions/tf2/detours.h Normal file
View File

@ -0,0 +1,98 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod SDKTools Extension
* 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_DETOURS_H_
#define _INCLUDE_SOURCEMOD_DETOURS_H_
#if defined PLATFORM_LINUX
#include <sys/mman.h>
#define PAGE_SIZE 4096
#define ALIGN(ar) ((long)ar & ~(PAGE_SIZE-1))
#define PAGE_EXECUTE_READWRITE PROT_READ|PROT_WRITE|PROT_EXEC
#endif
struct patch_t
{
patch_t()
{
patch[0] = 0;
bytes = 0;
}
unsigned char patch[20];
size_t bytes;
};
inline void ProtectMemory(void *addr, int length, int prot)
{
#if defined PLATFORM_LINUX
void *addr2 = (void *)ALIGN(addr);
mprotect(addr2, sysconf(_SC_PAGESIZE), prot);
#elif defined PLATFORM_WINDOWS
DWORD old_prot;
VirtualProtect(addr, length, prot, &old_prot);
#endif
}
inline void SetMemPatchable(void *address, size_t size)
{
ProtectMemory(address, (int)size, PAGE_EXECUTE_READWRITE);
}
inline void DoGatePatch(unsigned char *target, void *callback)
{
SetMemPatchable(target, 20);
target[0] = 0xFF; /* JMP */
target[1] = 0x25; /* MEM32 */
*(void **)(&target[2]) = callback;
}
inline void ApplyPatch(void *address, int offset, const patch_t *patch, patch_t *restore)
{
ProtectMemory(address, 20, PAGE_EXECUTE_READWRITE);
unsigned char *addr = (unsigned char *)address + offset;
if (restore)
{
for (size_t i=0; i<patch->bytes; i++)
{
restore->patch[i] = addr[i];
}
restore->bytes = patch->bytes;
}
for (size_t i=0; i<patch->bytes; i++)
{
addr[i] = patch->patch[i];
}
}
#endif //_INCLUDE_SOURCEMOD_DETOURS_H_

20
extensions/tf2/extension.cpp
View File

@ -34,6 +34,7 @@
#include "RegNatives.h"
#include "iplayerinfo.h"
#include "sm_trie_tpl.h"
#include "criticals.h"
/**
* @file extension.cpp
@ -48,6 +49,8 @@ IBinTools *g_pBinTools = NULL;
SMEXT_LINK(&g_TF2Tools);
ICvar *icvar = NULL;
CGlobalVars *gpGlobals = NULL;
sm_sendprop_info_t *playerSharedOffset;
@ -94,6 +97,10 @@ bool TF2Tools::SDK_OnLoad(char *error, size_t maxlength, bool late)
playerhelpers->RegisterCommandTargetProcessor(this);
spengine = g_pSM->GetScriptingEngine();
g_pCVar = icvar;
return true;
}
@ -105,6 +112,10 @@ bool TF2Tools::SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlen, bool
SH_ADD_HOOK(IServerGameDLL, ServerActivate, gamedll, SH_STATIC(OnServerActivate), true);
GET_V_IFACE_CURRENT(GetEngineFactory, icvar, ICvar, CVAR_INTERFACE_VERSION);
GET_V_IFACE_CURRENT(GetServerFactory, gameents, IServerGameEnts, INTERFACEVERSION_SERVERGAMEENTS);
return true;
}
@ -120,8 +131,16 @@ void TF2Tools::SDK_OnUnload()
void TF2Tools::SDK_OnAllLoaded()
{
SM_GET_LATE_IFACE(BINTOOLS, g_pBinTools);
g_CriticalHitManager.Init();
}
bool TF2Tools::RegisterConCommandBase(ConCommandBase *pVar)
{
return g_SMAPI->RegisterConCommandBase(g_PLAPI, pVar);
}
bool TF2Tools::QueryRunning(char *error, size_t maxlength)
{
SM_CHECK_IFACE(BINTOOLS, g_pBinTools);
@ -290,7 +309,6 @@ TFClassType ClassnameToType(const char *classname)
if (!filled)
{
trie.insert("scout", TFClass_Scout);
trie.insert("scout", TFClass_Scout);
trie.insert("sniper", TFClass_Sniper);
trie.insert("soldier", TFClass_Soldier);

4
extensions/tf2/extension.h
View File

@ -46,7 +46,8 @@
*/
class TF2Tools :
public SDKExtension,
public ICommandTargetProcessor
public ICommandTargetProcessor,
public IConCommandBaseAccessor
{
public:
/**
@ -88,6 +89,7 @@ public:
bool QueryInterfaceDrop(SMInterface *pInterface);
public:
bool ProcessCommandTarget(cmd_target_info_t *info);
bool RegisterConCommandBase(ConCommandBase *pVar);
public:
#if defined SMEXT_CONF_METAMOD
/**

14
extensions/tf2/msvc8/tf2.vcproj
View File

@ -122,7 +122,7 @@
Name="VCCLCompilerTool"
FavorSizeOrSpeed="1"
AdditionalIncludeDirectories="..;..\sdk;..\..\..\public;..\..\..\public\extensions;..\..\..\public\sourcepawn;&quot;$(HL2SDKOB)&quot;;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(SOURCEMM16)&quot;;&quot;$(SOURCEMM16)\sourcemm&quot;;&quot;$(SOURCEMM16)\sourcehook&quot;"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;CSTRIKE_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD"
PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;CSTRIKE_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;ORANGEBOX_BUILD"
RuntimeLibrary="0"
EnableEnhancedInstructionSet="1"
RuntimeTypeInfo="false"
@ -185,6 +185,10 @@
Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
>
<File
RelativePath="..\criticals.cpp"
>
</File>
<File
RelativePath="..\extension.cpp"
>
@ -207,6 +211,14 @@
Filter="h;hpp;hxx;hm;inl;inc;xsd"
UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
>
<File
RelativePath="..\criticals.h"
>
</File>
<File
RelativePath="..\detours.h"
>
</File>
<File
RelativePath="..\extension.h"
>

2
extensions/tf2/sdk/smsdk_config.h
View File

@ -61,7 +61,7 @@
#define SMEXT_CONF_METAMOD
/** Enable interfaces you want to use here by uncommenting lines */
//#define SMEXT_ENABLE_FORWARDSYS
#define SMEXT_ENABLE_FORWARDSYS
//#define SMEXT_ENABLE_HANDLESYS
#define SMEXT_ENABLE_PLAYERHELPERS
//#define SMEXT_ENABLE_DBMANAGER

33
gamedata/sm-tf2.games.txt
View File

@ -28,6 +28,24 @@
"windows" "\x56\x8B\xF1\x8B\x4E\x7C\xE8"
"linux" "@_ZN15CTFPlayerShared8DisguiseEii"
}
"CalcCritical"
{
"library" "server"
"linux" "@_ZN13CTFWeaponBase26CalcIsAttackCriticalHelperEv"
"windows" "\x83\xEC\x08\x56\x57\x6A\x00\x68"
}
"CalcCriticalMelee"
{
"library" "server"
"linux" "@_ZN18CTFWeaponBaseMelee26CalcIsAttackCriticalHelperEv"
"windows" "\x83\xEC\x08\x56\xE8\x2A\x2A\x2A\x2A\x8B\xF0\x85\xF6"
}
"CalcCriticalKnife"
{
"library" "server"
"linux" "@_ZN8CTFKnife26CalcIsAttackCriticalHelperEv"
"windows" "\x33\xC0\x83\xB9\x20\x05\x00"
}
}
"Offsets"
@ -37,6 +55,21 @@
"windows" "279"
"linux" "280"
}
"CalcCriticalBackup"
{
"linux" "7"
"windows" "7"
}
"CalcCriticalMeleeBackup"
{
"linux" "7"
"windows" "9"
}
"CalcCriticalKnifeBackup"
{
"linux" "11"
"windows" "9"
}
}
}
}

17
plugins/include/tf2.inc
View File

@ -113,6 +113,23 @@ native TF2_GetResourceEntity();
*/
native TFClassType:TF2_GetClass(const String:classname[]);
/**
* Called on weapon fire to decide if the current shot should be critical.
* Return Plugin_Continue to let the original calculation or return a higher
* action to override the decision with the value of 'result'
*
* @note Since critical shots are also calculated client side any changes made with
* this will not show for the shooter. Projectile weapons such as the rocketlauncher
* and demoman weapons will show a critical bullet but no critical sound effect.
* Bullet hits should appear as expected.
*
* @param client Client Index.
* @param weapon Weapon entity Index.
* @param weaponname Classname of the weapon.
* @param result Buffer param for the result of the decision.
*/
forward Action:TF2_CalcIsAttackCritical(client, weapon, String:weaponname[], &bool:result)
/**
* Do not edit below this line!
*/