2008-11-14 11:25:40 +01:00
|
|
|
/* ======== SourceMM ========
|
|
|
|
* Copyright (C) 2004-2008 Metamod:Source Development Team
|
|
|
|
* No warranties of any kind
|
|
|
|
*
|
|
|
|
* License: zlib/libpng
|
|
|
|
*
|
|
|
|
* Author(s): David "BAILOPAN" Anderson
|
|
|
|
* ============================
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include "convar_smm.h"
|
|
|
|
#include "CSmmAPI.h"
|
|
|
|
#include "sourcemm.h"
|
|
|
|
#include "concommands.h"
|
|
|
|
#include "CPlugin.h"
|
|
|
|
#include "vsp_listener.h"
|
|
|
|
|
|
|
|
/**
|
|
|
|
* @brief Implementation of main API interface
|
|
|
|
* @file CSmmAPI.cpp
|
|
|
|
*/
|
|
|
|
|
|
|
|
using namespace SourceMM;
|
|
|
|
|
|
|
|
CSmmAPI g_SmmAPI;
|
|
|
|
|
|
|
|
CSmmAPI::CSmmAPI()
|
|
|
|
{
|
|
|
|
m_ConPrintf = NULL;
|
|
|
|
m_CmdCache = false;
|
|
|
|
m_MsgCount = -1;
|
|
|
|
m_VSP = false;
|
|
|
|
}
|
|
|
|
|
|
|
|
CSmmAPI::~CSmmAPI()
|
|
|
|
{
|
|
|
|
m_UserMessages.RemoveAll();
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::LogMsg(ISmmPlugin *pl, const char *msg, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
static char buffer[2048];
|
|
|
|
|
|
|
|
va_start(ap, msg);
|
|
|
|
UTIL_FormatArgs(buffer, sizeof(buffer), msg, ap);
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
LogMessage("[%s] %s", pl->GetLogTag(), buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
CreateInterfaceFn CSmmAPI::engineFactory(bool syn)
|
|
|
|
{
|
|
|
|
if (syn)
|
|
|
|
return EngineFactory;
|
|
|
|
return g_Engine.engineFactory;
|
|
|
|
}
|
|
|
|
|
|
|
|
CreateInterfaceFn CSmmAPI::physicsFactory(bool syn)
|
|
|
|
{
|
|
|
|
if (syn)
|
|
|
|
return PhysicsFactory;
|
|
|
|
return g_Engine.physicsFactory;
|
|
|
|
}
|
|
|
|
|
|
|
|
CreateInterfaceFn CSmmAPI::fileSystemFactory(bool syn)
|
|
|
|
{
|
|
|
|
if (syn)
|
|
|
|
return FileSystemFactory;
|
|
|
|
return g_Engine.fileSystemFactory;
|
|
|
|
}
|
|
|
|
|
|
|
|
CreateInterfaceFn CSmmAPI::serverFactory(bool syn)
|
|
|
|
{
|
|
|
|
if (syn)
|
|
|
|
return CreateInterface;
|
|
|
|
return g_GameDll.factory;
|
|
|
|
}
|
|
|
|
|
|
|
|
CGlobalVars *CSmmAPI::pGlobals()
|
|
|
|
{
|
|
|
|
return g_Engine.pGlobals;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::SetLastMetaReturn(META_RES res)
|
|
|
|
{
|
|
|
|
m_Res = res;
|
|
|
|
}
|
|
|
|
|
|
|
|
META_RES CSmmAPI::GetLastMetaReturn()
|
|
|
|
{
|
|
|
|
return m_Res;
|
|
|
|
}
|
|
|
|
|
|
|
|
IConCommandBaseAccessor *CSmmAPI::GetCvarBaseAccessor()
|
|
|
|
{
|
|
|
|
return static_cast<IConCommandBaseAccessor *>(&g_SMConVarAccessor);
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CSmmAPI::RegisterConCmdBase(ISmmPlugin *plugin, ConCommandBase *pCommand)
|
|
|
|
{
|
|
|
|
if (pCommand->IsCommand())
|
|
|
|
{
|
|
|
|
g_PluginMngr.AddPluginCmd(plugin, pCommand);
|
|
|
|
} else {
|
|
|
|
g_PluginMngr.AddPluginCvar(plugin, pCommand);
|
|
|
|
}
|
|
|
|
|
|
|
|
return g_SMConVarAccessor.Register(pCommand);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::UnregisterConCmdBase(ISmmPlugin *plugin, ConCommandBase *pCommand)
|
|
|
|
{
|
|
|
|
if (pCommand->IsCommand())
|
|
|
|
{
|
|
|
|
g_PluginMngr.RemovePluginCmd(plugin, pCommand);
|
|
|
|
} else {
|
|
|
|
g_PluginMngr.RemovePluginCvar(plugin, pCommand);
|
|
|
|
}
|
|
|
|
|
|
|
|
g_SMConVarAccessor.Unregister(pCommand);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::ConPrint(const char *fmt)
|
|
|
|
{
|
|
|
|
(m_ConPrintf)("%s", fmt);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::ConPrintf(const char *fmt, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
static char buffer[4096];
|
|
|
|
|
|
|
|
va_start(ap, fmt);
|
|
|
|
UTIL_FormatArgs(buffer, sizeof(buffer), fmt, ap);
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
(m_ConPrintf)("%s", buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::AddListener(ISmmPlugin *plugin, IMetamodListener *pListener)
|
|
|
|
{
|
|
|
|
CPluginManager::CPlugin *pl = g_PluginMngr.FindByAPI(plugin);
|
|
|
|
CPluginEventHandler cpeh;
|
|
|
|
|
|
|
|
cpeh.event = pListener;
|
|
|
|
cpeh.got_vsp = false;
|
|
|
|
|
|
|
|
pl->m_Events.push_back(cpeh);
|
|
|
|
}
|
|
|
|
|
|
|
|
void *CSmmAPI::MetaFactory(const char *iface, int *_ret, PluginId *id)
|
|
|
|
{
|
|
|
|
if (id)
|
|
|
|
{
|
|
|
|
*id = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!iface)
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//first check ours... we get first chance!
|
|
|
|
if (strcmp(iface, MMIFACE_SOURCEHOOK) == 0)
|
|
|
|
{
|
|
|
|
if (_ret)
|
|
|
|
{
|
|
|
|
*_ret = IFACE_OK;
|
|
|
|
}
|
|
|
|
return static_cast<void *>(static_cast<SourceHook::ISourceHook *>(&g_SourceHook));
|
|
|
|
} else if (strcmp(iface, MMIFACE_PLMANAGER) == 0) {
|
|
|
|
if (_ret)
|
|
|
|
{
|
|
|
|
*_ret = IFACE_OK;
|
|
|
|
}
|
|
|
|
return static_cast<void *>(static_cast<ISmmPluginManager *>(&g_PluginMngr));
|
|
|
|
}
|
|
|
|
|
|
|
|
CPluginManager::CPlugin *pl;
|
|
|
|
SourceHook::List<CPluginEventHandler>::iterator event;
|
|
|
|
IMetamodListener *api;
|
|
|
|
int ret = 0;
|
|
|
|
void *val = NULL;
|
|
|
|
|
|
|
|
for (PluginIter iter = g_PluginMngr._begin(); iter != g_PluginMngr._end(); iter++)
|
|
|
|
{
|
|
|
|
pl = (*iter);
|
|
|
|
for (event=pl->m_Events.begin(); event!=pl->m_Events.end(); event++)
|
|
|
|
{
|
|
|
|
api = (*event).event;
|
|
|
|
ret = IFACE_FAILED;
|
|
|
|
if ( (val=api->OnMetamodQuery(iface, &ret)) != NULL )
|
|
|
|
{
|
|
|
|
if (_ret)
|
|
|
|
*_ret = ret;
|
|
|
|
if (id)
|
|
|
|
*id = pl->m_Id;
|
|
|
|
return val;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (_ret)
|
|
|
|
*_ret = IFACE_FAILED;
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
//THERE BE HAX HERE!!!! DON'T TELL ALFRED, BUT GABE WANTED IT THAT WAY. //
|
|
|
|
// (note: you can find the offset by looking for the text //
|
|
|
|
// "Echo text to console", you'll find the callback cmd pushed on the //
|
|
|
|
// stack.) //
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
|
|
#define SIGLEN 8
|
|
|
|
#define ENGINE486_SIG "\x55\x89\xE5\x53\x83\xEC\x14\xBB"
|
|
|
|
#define ENGINE486_OFFS 40
|
|
|
|
#define ENGINE686_SIG "\x53\x83\xEC\x08\xBB\x01\x00\x00"
|
|
|
|
#define ENGINE686_OFFS 50
|
|
|
|
#define ENGINEAMD_SIG "\x53\x51\xBB\x01\x00\x00\x00\x51"
|
|
|
|
#define ENGINEAMD_OFFS 47
|
|
|
|
#define ENGINEW32_SIG "\xA1\x2A\x2A\x2A\x2A\x56\xBE\x01"
|
|
|
|
#define ENGINEW32_OFFS 38
|
|
|
|
#define IA32_CALL 0xE8
|
|
|
|
|
|
|
|
//Thanks to fysh for the idea of extracting info from "echo" and for
|
|
|
|
// having the original offsets at hand!
|
|
|
|
bool CSmmAPI::CacheCmds()
|
|
|
|
{
|
|
|
|
ICvar *pCvar = g_Engine.icvar;
|
|
|
|
|
|
|
|
ConCommandBase *pBase = pCvar->GetCommands();
|
|
|
|
unsigned char *ptr = NULL;
|
|
|
|
FnCommandCallback callback = NULL;
|
|
|
|
int offs = 0;
|
|
|
|
|
|
|
|
while (pBase)
|
|
|
|
{
|
|
|
|
if ( strcmp(pBase->GetName(), "echo") == 0 )
|
|
|
|
{
|
|
|
|
//callback = //*((FnCommandCallback *)((char *)pBase + offsetof(ConCommand, m_fnCommandCallback)));
|
|
|
|
callback = ((ConCommand *)pBase)->GetCallback();
|
|
|
|
ptr = (unsigned char *)callback;
|
|
|
|
#ifdef OS_LINUX
|
|
|
|
if (UTIL_VerifySignature(ptr, ENGINE486_SIG, SIGLEN))
|
|
|
|
{
|
|
|
|
offs = ENGINE486_OFFS;
|
|
|
|
}
|
|
|
|
else if (UTIL_VerifySignature(ptr, ENGINE686_SIG, SIGLEN))
|
|
|
|
{
|
|
|
|
offs = ENGINE686_OFFS;
|
|
|
|
}
|
|
|
|
else if (UTIL_VerifySignature(ptr, ENGINEAMD_SIG, SIGLEN))
|
|
|
|
{
|
|
|
|
offs = ENGINEAMD_OFFS;
|
|
|
|
}
|
|
|
|
#elif defined OS_WIN32 // Only one Windows engine binary so far...
|
|
|
|
if (UTIL_VerifySignature(ptr, ENGINEW32_SIG, SIGLEN))
|
|
|
|
{
|
|
|
|
offs = ENGINEW32_OFFS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (!offs || ptr[offs - 1] != IA32_CALL)
|
|
|
|
{
|
|
|
|
m_ConPrintf = (CONPRINTF_FUNC)Msg;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
//get the relative offset
|
|
|
|
m_ConPrintf = *((CONPRINTF_FUNC *)(ptr + offs));
|
|
|
|
//add the base offset, to the ip (which is the address+offset + 4 bytes for next instruction)
|
|
|
|
m_ConPrintf = (CONPRINTF_FUNC)((unsigned long)m_ConPrintf + (unsigned long)(ptr + offs) + 4);
|
|
|
|
|
|
|
|
m_CmdCache = true;
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
pBase = const_cast<ConCommandBase *>(pBase->GetNext());
|
|
|
|
}
|
|
|
|
|
|
|
|
m_ConPrintf = (CONPRINTF_FUNC)Msg;
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CSmmAPI::CmdCacheSuccessful()
|
|
|
|
{
|
|
|
|
return m_CmdCache;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::GetApiVersions(int &major, int &minor, int &plvers, int &plmin)
|
|
|
|
{
|
|
|
|
major = SM_VERS_API_MAJOR;
|
|
|
|
minor = SM_VERS_API_MINOR;
|
|
|
|
plvers = PLAPI_VERSION;
|
|
|
|
plmin = PLAPI_MIN_VERSION;
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::GetShVersions(int &shvers, int &shimpl)
|
|
|
|
{
|
|
|
|
shvers = SH_IFACE_VERSION;
|
|
|
|
shimpl = SH_IMPL_VERSION;
|
|
|
|
}
|
|
|
|
|
|
|
|
int CSmmAPI::FormatIface(char iface[], unsigned int maxlength)
|
|
|
|
{
|
|
|
|
int length = (int)strlen(iface);
|
|
|
|
int i;
|
|
|
|
int num = 0;
|
|
|
|
|
|
|
|
for (i = length - 1; i >= 0; i--)
|
|
|
|
{
|
|
|
|
if (!isdigit(iface[i]))
|
|
|
|
{
|
|
|
|
if (i != length - 1)
|
|
|
|
{
|
|
|
|
num = 1;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if ( (num && ((int)maxlength <= length)) || (!num && ((int)maxlength <= length + 3)) )
|
|
|
|
{
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (i != length - 1)
|
|
|
|
num = atoi(&(iface[++i]));
|
|
|
|
|
|
|
|
num++;
|
|
|
|
|
|
|
|
snprintf(&(iface[i]), 4, "%03d", num);
|
|
|
|
|
|
|
|
return num;
|
|
|
|
}
|
|
|
|
|
|
|
|
void *CSmmAPI::InterfaceSearch(CreateInterfaceFn fn, const char *iface, int max, int *ret)
|
|
|
|
{
|
|
|
|
char _if[256]; /* assume no interface goes beyond this */
|
|
|
|
size_t len = strlen(iface);
|
|
|
|
int num = 0;
|
|
|
|
void *pf = NULL;
|
|
|
|
|
|
|
|
if (max > 999)
|
|
|
|
max = 999;
|
|
|
|
|
|
|
|
if (len + 4 > sizeof(_if))
|
|
|
|
{
|
|
|
|
if (ret)
|
|
|
|
{
|
|
|
|
*ret = IFACE_FAILED;
|
|
|
|
}
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
strcpy(_if, iface);
|
|
|
|
|
|
|
|
do
|
|
|
|
{
|
|
|
|
if ( (pf = (fn)(_if, ret)) != NULL )
|
|
|
|
break;
|
|
|
|
if (num > max)
|
|
|
|
break;
|
|
|
|
} while (( num = FormatIface(_if, len+1) ));
|
|
|
|
|
|
|
|
return pf;
|
|
|
|
}
|
|
|
|
|
|
|
|
void *CSmmAPI::VInterfaceMatch(CreateInterfaceFn fn, const char *iface, int min)
|
|
|
|
{
|
|
|
|
char buffer[256]; /* assume no interface will go beyond this */
|
|
|
|
size_t len = strlen(iface);
|
|
|
|
int ret; /* just in case something doesn't handle NULL properly */
|
|
|
|
|
|
|
|
if (len > sizeof(buffer) - 4)
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
strcpy(buffer, iface);
|
|
|
|
|
|
|
|
if (min != -1)
|
|
|
|
{
|
|
|
|
char *ptr = &buffer[len - 1];
|
|
|
|
int digits = 0;
|
|
|
|
while (isdigit(*ptr) && digits <=3)
|
|
|
|
{
|
|
|
|
*ptr = '\0';
|
|
|
|
digits++;
|
|
|
|
ptr--;
|
|
|
|
}
|
|
|
|
if (digits != 3)
|
|
|
|
{
|
|
|
|
/* for now, assume this is an error */
|
|
|
|
strcpy(buffer, iface);
|
|
|
|
} else {
|
|
|
|
char num[4];
|
|
|
|
min = (min == 0) ? 1 : min;
|
|
|
|
snprintf(num, sizeof(num), "%03d", min);
|
|
|
|
strcat(buffer, num);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
return InterfaceSearch(fn, buffer, IFACE_MAXNUM, &ret);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *CSmmAPI::GetBaseDir()
|
|
|
|
{
|
|
|
|
return g_ModPath.c_str();
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::PathFormat(char *buffer, size_t len, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
|
|
size_t mylen = UTIL_FormatArgs(buffer, len, fmt, ap);
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
for (size_t i = 0; i < mylen; i++)
|
|
|
|
{
|
|
|
|
if (buffer[i] == ALT_SEP_CHAR)
|
|
|
|
{
|
|
|
|
buffer[i] = PATH_SEP_CHAR;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::ClientConPrintf(edict_t *client, const char *fmt, ...)
|
|
|
|
{
|
|
|
|
va_list ap;
|
|
|
|
static char buffer[4096];
|
|
|
|
|
|
|
|
va_start(ap, fmt);
|
|
|
|
UTIL_FormatArgs(buffer, sizeof(buffer), fmt, ap);
|
|
|
|
va_end(ap);
|
|
|
|
|
|
|
|
g_Engine.engine->ClientPrintf(client, buffer);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::LoadAsVSP()
|
|
|
|
{
|
|
|
|
size_t len;
|
|
|
|
char engine_file[PATH_SIZE];
|
|
|
|
char rel_path[PATH_SIZE * 2];
|
|
|
|
|
|
|
|
GetFileOfAddress(g_Engine.engine, engine_file, sizeof(engine_file));
|
|
|
|
|
|
|
|
/* Chop off the "engine" file part */
|
|
|
|
len = strlen(engine_file);
|
|
|
|
for (size_t i = len - 1; i >= 0 && i < len; i--)
|
|
|
|
{
|
|
|
|
if (engine_file[i] == '/'
|
|
|
|
|| engine_file[i] == '\\')
|
|
|
|
{
|
|
|
|
engine_file[i] = '\0';
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *usepath = g_SmmPath.c_str();
|
|
|
|
if (UTIL_Relatize(rel_path, sizeof(rel_path), engine_file, g_SmmPath.c_str()))
|
|
|
|
{
|
|
|
|
usepath = rel_path;
|
|
|
|
}
|
|
|
|
|
|
|
|
char command[PATH_SIZE * 2];
|
|
|
|
g_VspListener.SetLoadable(true);
|
|
|
|
UTIL_Format(command, sizeof(command), "plugin_load \"%s\"\n", usepath);
|
|
|
|
g_Engine.engine->ServerCommand(command);
|
|
|
|
}
|
|
|
|
|
|
|
|
void CSmmAPI::EnableVSPListener()
|
|
|
|
{
|
|
|
|
/* If GameInit already passed and we're not already enabled or loaded, go ahead and LoadAsVSP load */
|
2008-11-16 04:13:38 +01:00
|
|
|
if (bGameInit && !m_VSP && !g_VspListener.IsLoaded() && !g_bIsBridgedAsVsp)
|
2008-11-14 11:25:40 +01:00
|
|
|
{
|
|
|
|
LoadAsVSP();
|
|
|
|
}
|
|
|
|
m_VSP = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
int CSmmAPI::GetGameDLLVersion()
|
|
|
|
{
|
|
|
|
return g_GameDllVersion;
|
|
|
|
}
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
// EVEN MORE HACKS HERE! YOU HAVE BEEN WARNED! //
|
|
|
|
// Signatures necessary in finding the pointer to the CUtlDict that //
|
|
|
|
// stores user message information. //
|
|
|
|
// IServerGameDLL::GetUserMessageInfo() normally crashes with bad //
|
|
|
|
// message indices. This is our answer to it. Yuck! <:-( //
|
|
|
|
//////////////////////////////////////////////////////////////////////
|
|
|
|
#ifdef OS_WIN32
|
|
|
|
/* General Windows sig */
|
|
|
|
#define MSGCLASS_SIGLEN 7
|
|
|
|
#define MSGCLASS_SIG "\x8B\x0D\x2A\x2A\x2A\x2A\x56"
|
|
|
|
#define MSGCLASS_OFFS 2
|
|
|
|
|
|
|
|
/* Dystopia Wimdows hack */
|
|
|
|
#define MSGCLASS2_SIGLEN 16
|
|
|
|
#define MSGCLASS2_SIG "\x56\x8B\x74\x24\x2A\x85\xF6\x7C\x2A\x3B\x35\x2A\x2A\x2A\x2A\x7D"
|
|
|
|
#define MSGCLASS2_OFFS 11
|
|
|
|
|
|
|
|
/* Windows frame pointer sig */
|
|
|
|
#define MSGCLASS3_SIGLEN 18
|
|
|
|
#define MSGCLASS3_SIG "\x55\x8B\xEC\x51\x89\x2A\x2A\x8B\x2A\x2A\x50\x8B\x0D\x2A\x2A\x2A\x2A\xE8"
|
|
|
|
#define MSGCLASS3_OFFS 13
|
|
|
|
#elif defined OS_LINUX
|
|
|
|
/* No frame pointer sig */
|
|
|
|
#define MSGCLASS_SIGLEN 14
|
|
|
|
#define MSGCLASS_SIG "\x53\x83\xEC\x2A\x8B\x2A\x2A\x2A\xA1\x2A\x2A\x2A\x2A\x89"
|
|
|
|
#define MSGCLASS_OFFS 9
|
|
|
|
|
|
|
|
/* Frame pointer sig */
|
|
|
|
#define MSGCLASS2_SIGLEN 16
|
|
|
|
#define MSGCLASS2_SIG "\x55\x89\xE5\x53\x83\xEC\x2A\x8B\x2A\x2A\xA1\x2A\x2A\x2A\x2A\x89"
|
|
|
|
#define MSGCLASS2_OFFS 11
|
|
|
|
#endif
|
|
|
|
|
|
|
|
/* This is the ugliest function in all of SourceMM */
|
|
|
|
/* :TODO: Make this prettier */
|
|
|
|
bool CSmmAPI::CacheUserMessages()
|
|
|
|
{
|
|
|
|
UserMsgDict *dict = NULL;
|
|
|
|
char *vfunc = UTIL_GetOrigFunction(&IServerGameDLL::GetUserMessageInfo, g_GameDll.pGameDLL, g_GameDllPatch);
|
|
|
|
|
|
|
|
if (!vfunc)
|
|
|
|
{
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (UTIL_VerifySignature(vfunc, MSGCLASS_SIG, MSGCLASS_SIGLEN))
|
|
|
|
{
|
|
|
|
/* Get address of CUserMessages instance */
|
|
|
|
char **userMsgClass = *reinterpret_cast<char ***>(vfunc + MSGCLASS_OFFS);
|
|
|
|
|
|
|
|
/* Get address of CUserMessages::m_UserMessages */
|
|
|
|
dict = reinterpret_cast<UserMsgDict *>(*userMsgClass);
|
|
|
|
} else if (UTIL_VerifySignature(vfunc, MSGCLASS2_SIG, MSGCLASS2_SIGLEN)) {
|
|
|
|
#ifdef OS_WIN32
|
|
|
|
/* If we get here, the code is possibly inlined like in Dystopia */
|
|
|
|
|
|
|
|
/* Get the address of the CUtlRBTree */
|
|
|
|
char *rbtree = *reinterpret_cast<char **>(vfunc + MSGCLASS2_OFFS);
|
|
|
|
|
|
|
|
/* CUtlDict should be 8 bytes before the CUtlRBTree (hacktacular!) */
|
|
|
|
dict = reinterpret_cast<UserMsgDict *>(rbtree - 8);
|
|
|
|
#elif defined OS_LINUX
|
|
|
|
/* Get address of CUserMessages instance */
|
|
|
|
char **userMsgClass = *reinterpret_cast<char ***>(vfunc + MSGCLASS2_OFFS);
|
|
|
|
|
|
|
|
/* Get address of CUserMessages::m_UserMessages */
|
|
|
|
dict = reinterpret_cast<UserMsgDict *>(*userMsgClass);
|
|
|
|
#endif
|
|
|
|
#ifdef OS_WIN32
|
|
|
|
} else if (UTIL_VerifySignature(vfunc, MSGCLASS3_SIG, MSGCLASS3_SIGLEN)) {
|
|
|
|
/* Get address of CUserMessages instance */
|
|
|
|
char **userMsgClass = *reinterpret_cast<char ***>(vfunc + MSGCLASS3_OFFS);
|
|
|
|
|
|
|
|
/* Get address of CUserMessages::m_UserMessages */
|
|
|
|
dict = reinterpret_cast<UserMsgDict *>(*userMsgClass);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
if (dict)
|
|
|
|
{
|
|
|
|
m_MsgCount = dict->Count();
|
|
|
|
|
|
|
|
/* Ensure that count is within bounds of an unsigned byte, because that's what engine supports */
|
|
|
|
if (m_MsgCount < 0 || m_MsgCount > 255)
|
|
|
|
{
|
|
|
|
m_MsgCount = -1;
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
UserMessage *msg;
|
|
|
|
|
|
|
|
/* Cache messages in our CUtlDict */
|
|
|
|
for (int i = 0; i < m_MsgCount; i++)
|
|
|
|
{
|
|
|
|
msg = dict->Element(i);
|
|
|
|
m_UserMessages.Insert(msg->name, msg);
|
|
|
|
}
|
|
|
|
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
|
|
|
|
return false;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool CSmmAPI::MsgCacheSuccessful()
|
|
|
|
{
|
|
|
|
return m_MsgCount > -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
int CSmmAPI::GetUserMessageCount()
|
|
|
|
{
|
|
|
|
return m_MsgCount;
|
|
|
|
}
|
|
|
|
|
|
|
|
int CSmmAPI::FindUserMessage(const char *name, int *size)
|
|
|
|
{
|
|
|
|
int index = m_UserMessages.Find(name);
|
|
|
|
|
|
|
|
if (size && index > -1)
|
|
|
|
{
|
|
|
|
UserMessage *msg = m_UserMessages.Element(index);
|
|
|
|
*size = msg->size;
|
|
|
|
}
|
|
|
|
|
|
|
|
return index;
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *CSmmAPI::GetUserMessage(int index, int *size)
|
|
|
|
{
|
|
|
|
if (m_MsgCount <= 0 || index < 0 || index >= m_MsgCount)
|
|
|
|
{
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
UserMessage *msg = m_UserMessages.Element(index);
|
|
|
|
|
|
|
|
if (size)
|
|
|
|
{
|
|
|
|
*size = msg->size;
|
|
|
|
}
|
|
|
|
|
|
|
|
return msg->name;
|
|
|
|
}
|