Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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//++ BulliT
#include "hud.h"
#include "cl_util.h"
#include "const.h"
#include "com_model.h"
#include "studio.h"
#include "entity_state.h"
#include "cl_entity.h"
#include "dlight.h"
#include "triangleapi.h"
#include "studio_util.h"
#include "r_studioint.h"
#include "AgVariableChecker.h"
#include "AgModelCheck.h"
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
#ifdef AG_USE_CHEATPROTECTION
extern engine_studio_api_t IEngineStudio;
#define MAX_VIOLATIONS 5
struct VARIABLES
{
char szName[20];
double dMin;
double dMax;
double dDefault;
bool bKeepSame;
bool bAllowChangeAtInit;
};
static VARIABLES s_Variables[]=
{
//Evironment
"r_lightmap",-1,0,-1,false,true,
"direct",0.9,0.9,0.9,false,true,
"brightness",0,30,1,false,true,
"lambert",1.5,1.5,1.5,true,true,
"cl_solid_players",1,1,1,false,true,
"cl_himodels",0,1,0,true,false,
//Sounds
"s_distance",10,60,60,false,true,
"s_min_distance",1,20,8,false,true,
"s_max_distance",20,1000,1000,false,true,
"s_occlude",0,1,1,false,true,
"s_occfactor",0.20,0.25,0.25,false,true,
"s_refgain",0.4,0.45,0.41,false,true,
//Cheats is somehow client also?
"sv_cheats",0,0,0,true,true,
};
static VARIABLES s_VariablesFast[]=
{
//Movement
"m_pitch",-0.044,0.044,0.022,false,true,
"cl_backspeed",300,500,400,false,true,
"cl_sidespeed",300,500,400,false,true,
"cl_forwardspeed",300,500,400,false,true,
"cl_upspeed",300,500,320,false,true,
"default_fov",30,130,90,false,true,
//Net settings
"cl_updaterate",15,100,30,false,true,
"cl_cmdrate",15,100,30,false,true,
"ex_extrapmax",1.2,1.2,1.2,false,true,
#ifdef CLIENT_WEAPONS
"ex_interp",0.05,0.1,0.1,false,true,
#else
"ex_interp",0.1,0.1,0.1,false,true,
#endif
// Fixed in next patch.
"ex_minvelocity",0,0,0,false,true,
"ex_maxspeed",750,750,750,false,true,
"ex_maxaccel",2000,2000,2000,false,true,
"ex_maxerrordistance",64,64,64,false,true,
"cl_nopred",0,0,0,false,true,
"ex_correct",0,0,0,false,true,
"ex_diminishextrap",0,0,0,false,true,
};
/*
ex_correct
ex_extrapmax
ex_maxerror distance
cl_nopred
*/
static VARIABLES s_VariablesHardware[]=
{
//Open GL settings.
// "lightgamma",0,3,2.5,true,false,
// "texgamma",1,3,2,true,false,
"gl_max_size",128,512,512,false,false,
"gl_zmax",2048,9999,4096,false,true,
"gl_alphamin",0.25,0.25,0.25,false,true,
"gl_nobind",0,0,0,false,true,
"gl_picmip",0,2,0,false,true,
"gl_playermip",0,5,0,false,true,
//"gl_spriteblend",1,1,1,true,true,
"gl_monolights",0,0,0,true,true,
};
static VARIABLES s_VariablesPure2[]=
{
"s_distance",10,10,10,false,true,
"s_rolloff",10,10,10,false,true,
"s_min_distance",8,8,8,false,true,
"s_max_distance",1000,1000,1000,false,true,
};
static VARIABLES s_VariablesPure3[]=
{
"s_a3d",0,0,0,false,true,
};
AgVariableChecker g_VariableChecker;
static char szDisconnect[] = "disconnect\n";
AgVariableChecker::AgVariableChecker()
{
m_bHardware = false;
m_bInit = false;
m_dwNextCheck = m_dwNextCheckFast = m_dwNextA3D = GetTickCount();
m_iViolations = 0;
m_bActive = false;
}
AgVariableChecker::~AgVariableChecker()
{
}
void AgVariableChecker::Activate()
{
m_bActive = true;
m_bInit = false;
}
bool InitVariables(VARIABLES* pvarArray,int iElements)
{
for (int i = 0; i < iElements; i++)
{
if (!gEngfuncs.pfnGetCvarPointer(pvarArray[i].szName ))
continue;
double dValue = gEngfuncs.pfnGetCvarFloat(pvarArray[i].szName);
if (dValue < (pvarArray[i].dMin - 0.0001)
||dValue > (pvarArray[i].dMax + 0.0001))
{
if (pvarArray[i].bAllowChangeAtInit)
{
//Correct it.
gEngfuncs.Cvar_SetValue(pvarArray[i].szName, pvarArray[i].dDefault);
//This dudes standard aint good enough - corrected it for him.
char szMessage[256];
sprintf(szMessage,"Server enforces variables and \"%s\" was automatically reset to the HL default %f.\n",pvarArray[i].szName,pvarArray[i].dDefault);
ConsolePrint(szMessage);
AgLog(szMessage);
}
else
{
//This dudes standard aint good enough.
char szMessage[256];
sprintf(szMessage,"Server enforces variables and \"%s\" needs to be between %f and %f. Your variable is set to %f.\n",pvarArray[i].szName,pvarArray[i].dMin,pvarArray[i].dMax,dValue);
ConsolePrint(szMessage);
AgLog(szMessage);
return false;
}
}
//Save this value as default.
pvarArray[i].dDefault = gEngfuncs.pfnGetCvarFloat(pvarArray[i].szName);
if (pvarArray[i].bKeepSame)
pvarArray[i].dMin = pvarArray[i].dMax = pvarArray[i].dDefault;
}
return true;
}
void CheckVariables(VARIABLES* pvarArray,int iElements, short& iViolations)
{
for (int i = 0; i < iElements; i++)
{
if (!gEngfuncs.pfnGetCvarPointer(pvarArray[i].szName ))
continue;
double dValue = gEngfuncs.pfnGetCvarFloat(pvarArray[i].szName);
if (dValue < (pvarArray[i].dMin - 0.0001)
||dValue > (pvarArray[i].dMax + 0.0001))
{
char szMessage[256];
if (pvarArray[i].bKeepSame && pvarArray[i].bAllowChangeAtInit)
sprintf(szMessage,"Server enforces variables and \"%s\" needs to be the same during the game\n",pvarArray[i].szName);
else
sprintf(szMessage,"Server enforces variables and \"%s\" needs to be between %f and %f.\n",pvarArray[i].szName,pvarArray[i].dMin,pvarArray[i].dMax);
ConsolePrint(szMessage);
if (pvarArray[i].bAllowChangeAtInit)
{
//Reset to previous value.
gEngfuncs.Cvar_SetValue(pvarArray[i].szName, pvarArray[i].dDefault);
iViolations++;
}
else
{
iViolations = MAX_VIOLATIONS + 1;
}
sprintf(szMessage,"say <AG Mod> Warned for using variable %s with value %lf (%d violation(s)",pvarArray[i].szName,dValue,iViolations);
ServerCmd(szMessage);
}
}
}
bool AgVariableChecker::Init()
{
if (m_bInit)
return true;
bool bSuccess = true;
m_bHardware = IEngineStudio.IsHardware() ? true : false;
if (!InitVariables(s_Variables,sizeof(s_Variables)/sizeof(s_Variables[0])))
bSuccess = false;
if (!InitVariables(s_VariablesFast,sizeof(s_VariablesFast)/sizeof(s_VariablesFast[0])))
bSuccess = false;
if (m_bHardware)
{
if (!InitVariables(s_VariablesHardware,sizeof(s_VariablesHardware)/sizeof(s_VariablesHardware[0])))
bSuccess = false;
}
if (bSuccess)
{
m_bInit = true;
return true;
}
static char szMessage[] = "Variable init failed, exiting.\n";
ConsolePrint(szMessage);
AgLog(szMessage);
ServerCmd( "say <AG Mod> Disconnected for using invalid variable.\n" );
ClientCmd( szDisconnect );
Reset();
return false;
}
void AgVariableChecker::Reset()
{
m_bHardware = false;
m_bInit = false;
m_bActive = false;
m_iViolations = 0;
}
bool AgVariableChecker::Check()
{
if (!m_bActive)
return true;
if (!m_bInit)
{
return Init();
}
DWORD dwNow = GetTickCount();
if (m_dwNextCheck < dwNow)
{
CheckVariables(s_Variables,sizeof(s_Variables)/sizeof(s_Variables[0]),m_iViolations);
if (m_bHardware)
CheckVariables(s_VariablesHardware,sizeof(s_VariablesHardware)/sizeof(s_VariablesHardware[0]),m_iViolations);
if (g_iPure > 1)
CheckVariables(s_VariablesPure2,sizeof(s_VariablesPure2)/sizeof(s_VariablesPure2[0]),m_iViolations);
m_dwNextCheck = dwNow + 500; //500ms for the less important variables.
}
if (m_dwNextCheckFast < dwNow)
{
CheckVariables(s_VariablesFast,sizeof(s_VariablesFast)/sizeof(s_VariablesFast[0]),m_iViolations);
m_dwNextCheckFast = dwNow + 150; //150ms for the important variables.
}
if (g_iPure > 2)
{
if (m_dwNextA3D < dwNow)
{
CheckVariables(s_VariablesPure3,sizeof(s_VariablesPure3)/sizeof(s_VariablesPure3[0]),m_iViolations);
ClientCmd("s_disable_a3d\n");
m_dwNextA3D = dwNow + 5000; //5 seconds .
}
}
if (m_iViolations > MAX_VIOLATIONS)
{
static char szMessageServer[] = "say <AG Mod> Disconnected for repeated cvar violations\n";
static char szMessage[] = "Cheat check: Disconnected for repeated cvar violations\n";
ServerCmd(szMessageServer);
AgLog(szMessage);
ConsolePrint(szMessage);
ClientCmd(szDisconnect);
Reset();
return false;
}
return true;
}
#endif //AG_USE_CHEATPROTECTION
//-- Martin Webrant