h4sard/sm-ext-CSSFixes
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Additions from xen

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This commit is contained in:
BotoX 2021-07-03 23:57:27 +02:00
parent 2147cab2f4
commit b42029c1fc
2 changed files with 186 additions and 5 deletions
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179
extension.cpp
View File

@ -37,6 +37,8 @@
#include <IEngineTrace.h>
#include <server_class.h>
#include <ispatialpartition.h>
#include <utlvector.h>
#include <string_t.h>
#define SetBit(A,I) ((A)[(I) >> 5] |= (1 << ((I) & 31)))
#define ClearBit(A,I) ((A)[(I) >> 5] &= ~(1 << ((I) & 31)))
@ -74,6 +76,38 @@ bool UTIL_ContainsDataTable(SendTable *pTable, const char *name)
return false;
}
void UTIL_StringToVector( float *pVector, const char *pString )
{
char *pstr, *pfront, tempString[128];
int j;
Q_strncpy( tempString, pString, sizeof(tempString) );
pstr = pfront = tempString;
for ( j = 0; j < 3; j++ ) // lifted from pr_edict.c
{
pVector[j] = atof( pfront );
// skip any leading whitespace
while ( *pstr && *pstr <= ' ' )
pstr++;
// skip to next whitespace
while ( *pstr && *pstr > ' ' )
pstr++;
if (!*pstr)
break;
pstr++;
pfront = pstr;
}
for ( j++; j < 3; j++ )
{
pVector[j] = 0;
}
}
class CTraceFilterSimple : public CTraceFilter
{
public:
@ -204,6 +238,13 @@ struct variant_hax
const char *pszValue;
};
struct ResponseContext_t
{
string_t m_iszName;
string_t m_iszValue;
float m_fExpirationTime;
};
struct inputdata_t
{
// The entity that initially caused this chain of output events.
@ -233,6 +274,8 @@ IGameConfig *g_pGameConf = NULL;
CDetour *g_pDetour_InputTestActivator = NULL;
CDetour *g_pDetour_PostConstructor = NULL;
CDetour *g_pDetour_CreateEntityByName = NULL;
CDetour *g_pDetour_PassesFilterImpl = NULL;
CDetour *g_pDetour_FindUseEntity = NULL;
CDetour *g_pDetour_CTraceFilterSimple = NULL;
CDetour *g_pDetour_KeyValue = NULL;
@ -241,6 +284,8 @@ CDetour *g_pDetour_SwingOrStab = NULL;
int g_SH_SkipTwoEntitiesShouldHitEntity = 0;
int g_SH_SimpleShouldHitEntity = 0;
int g_iMaxPlayers = 0;
uintptr_t g_CTraceFilterNoNPCsOrPlayer = 0;
CTraceFilterSkipTwoEntities *g_CTraceFilterSkipTwoEntities = NULL;
CTraceFilterSimple *g_CTraceFilterSimple = NULL;
@ -274,12 +319,73 @@ DETOUR_DECL_MEMBER1(DETOUR_PostConstructor, void, const char *, szClassname)
DETOUR_MEMBER_CALL(DETOUR_PostConstructor)(szClassname);
}
// Implementation for custom filter entities
DETOUR_DECL_MEMBER2(DETOUR_PassesFilterImpl, bool, CBaseEntity*, pCaller, CBaseEntity*, pEntity)
{
CBaseEntity* pThisEnt = (CBaseEntity*)this;
// filter_activator_context: filters activators based on whether they have a given context with a nonzero value
// https://developer.valvesoftware.com/wiki/Filter_activator_context
// Implemented here because CUtlVectors are not supported in sourcepawn
if (!strcasecmp(gamehelpers->GetEntityClassname(pThisEnt), "filter_activator_context"))
{
static int m_ResponseContexts_offset = 0, m_iszResponseContext_offset = 0;
if (!m_ResponseContexts_offset && !m_iszResponseContext_offset)
{
datamap_t *pDataMap = gamehelpers->GetDataMap(pEntity);
sm_datatable_info_t info;
// Both are CBaseEntity members, so the offsets will always be the same across different entity classes
gamehelpers->FindDataMapInfo(pDataMap, "m_ResponseContexts", &info);
m_ResponseContexts_offset = info.actual_offset;
gamehelpers->FindDataMapInfo(pDataMap, "m_iszResponseContext", &info);
m_iszResponseContext_offset = info.actual_offset;
}
CUtlVector<ResponseContext_t> vecResponseContexts;
vecResponseContexts = *(CUtlVector<ResponseContext_t>*)((uint8_t*)pEntity + m_ResponseContexts_offset);
const char *szFilterContext = (*(string_t*)((uint8_t*)pThisEnt + m_iszResponseContext_offset)).ToCStr();
const char *szContext;
int iContextValue;
for (int i = 0; i < vecResponseContexts.Count(); i++)
{
szContext = vecResponseContexts[i].m_iszName.ToCStr();
iContextValue = atoi(vecResponseContexts[i].m_iszValue.ToCStr());
if (!strcasecmp(szFilterContext, szContext) && iContextValue > 0)
return true;
}
return false;
}
// CBaseFilter::PassesFilterImpl just returns true so no need to call it
return true;
}
// Switch new entity classnames to ones that can be instantiated while keeping the classname keyvalue intact so it can be used later
DETOUR_DECL_STATIC2(DETOUR_CreateEntityByName, CBaseEntity*, const char*, className, int, iForceEdictIndex)
{
// Nice of valve to expose CBaseFilter as filter_base :)
if (strcasecmp(className, "filter_activator_context") == 0)
className = "filter_base";
return DETOUR_STATIC_CALL(DETOUR_CreateEntityByName)(className, iForceEdictIndex);
}
DETOUR_DECL_MEMBER2(DETOUR_KeyValue, bool, const char *, szKeyName, const char *, szValue)
{
CBaseEntity *pEntity = (CBaseEntity *)this;
// Fix crash bug in engine
if(strcasecmp(szKeyName, "angle") == 0)
{
szKeyName = "angles";
}
else if(strcasecmp(szKeyName, "classname") == 0 &&
strcasecmp(szValue, "info_player_terrorist") == 0)
{
@ -288,13 +394,31 @@ DETOUR_DECL_MEMBER2(DETOUR_KeyValue, bool, const char *, szKeyName, const char *
}
else if(strcasecmp(szKeyName, "teamnum") == 0 || strcasecmp(szKeyName, "teamnum") == 0 )
{
CBaseEntity *pEntity = (CBaseEntity *)this;
const char *pClassname = gamehelpers->GetEntityClassname(pEntity);
// All buyzones should be CT buyzones
if(pClassname && strcasecmp(pClassname, "func_buyzone") == 0)
szValue = "3";
}
else if(strcasecmp(szKeyName, "absvelocity") == 0)
{
static int m_AbsVelocity_offset = 0;
if (!m_AbsVelocity_offset)
{
datamap_t *pDataMap = gamehelpers->GetDataMap(pEntity);
sm_datatable_info_t info;
gamehelpers->FindDataMapInfo(pDataMap, "m_vecAbsVelocity", &info);
m_AbsVelocity_offset = info.actual_offset;
}
float tmp[3];
UTIL_StringToVector(tmp, szValue);
Vector *vecAbsVelocity = (Vector*)((uint8_t*)pEntity + m_AbsVelocity_offset);
vecAbsVelocity->Init(tmp[0], tmp[1], tmp[2]);
}
return DETOUR_MEMBER_CALL(DETOUR_KeyValue)(szKeyName, szValue);
}
@ -338,7 +462,7 @@ bool ShouldHitEntity(IHandleEntity *pHandleEntity, int contentsMask)
int iTeam = 0;
if(index > SM_MAXPLAYERS && g_pPhysboxToClientMap && index < 2048)
if(index > g_iMaxPlayers && g_pPhysboxToClientMap && index < 2048)
{
index = g_pPhysboxToClientMap[index];
}
@ -347,11 +471,12 @@ bool ShouldHitEntity(IHandleEntity *pHandleEntity, int contentsMask)
{
iTeam = -index;
}
else if(index < 1 || index > SM_MAXPLAYERS)
else if(index < 1 || index > g_iMaxPlayers)
{
RETURN_META_VALUE(MRES_IGNORED, true);
}
char lifeState = 0;
if(!iTeam)
{
IGamePlayer *pPlayer = playerhelpers->GetGamePlayer(index);
@ -363,9 +488,21 @@ bool ShouldHitEntity(IHandleEntity *pHandleEntity, int contentsMask)
RETURN_META_VALUE(MRES_IGNORED, true);
iTeam = pInfo->GetTeamIndex();
static int offset = 0;
if(!offset)
{
sm_sendprop_info_t spi;
if (!gamehelpers->FindSendPropInfo("CBasePlayer", "m_lifeState", &spi))
RETURN_META_VALUE(MRES_IGNORED, true);
offset = spi.actual_offset;
}
lifeState = *(char *)((uint8_t *)pHandleEntity + offset);
}
if(iTeam == g_FireBulletPlayerTeam)
if(iTeam == g_FireBulletPlayerTeam || lifeState != 0)
RETURN_META_VALUE(MRES_SUPERCEDE, false);
RETURN_META_VALUE(MRES_IGNORED, true);
@ -446,6 +583,8 @@ bool CSSFixes::SDK_OnLoad(char *error, size_t maxlength, bool late)
{
srand((unsigned int)time(NULL));
g_iMaxPlayers = playerhelpers->GetMaxClients();
char conf_error[255] = "";
if(!gameconfs->LoadGameConfigFile("CSSFixes", &g_pGameConf, conf_error, sizeof(conf_error)))
{
@ -473,6 +612,22 @@ bool CSSFixes::SDK_OnLoad(char *error, size_t maxlength, bool late)
return false;
}
g_pDetour_CreateEntityByName = DETOUR_CREATE_STATIC(DETOUR_CreateEntityByName, "CreateEntityByName");
if (g_pDetour_CreateEntityByName == NULL)
{
snprintf(error, maxlength, "Could not create detour for CreateEntityByName");
SDK_OnUnload();
return false;
}
g_pDetour_PassesFilterImpl = DETOUR_CREATE_MEMBER(DETOUR_PassesFilterImpl, "CBaseFilter_PassesFilterImpl");
if (g_pDetour_PassesFilterImpl == NULL)
{
snprintf(error, maxlength, "Could not create detour for CBaseFilter_PassesFilterImpl");
SDK_OnUnload();
return false;
}
g_pDetour_FindUseEntity = DETOUR_CREATE_MEMBER(DETOUR_FindUseEntity, "CBasePlayer_FindUseEntity");
if(g_pDetour_FindUseEntity == NULL)
{
@ -515,6 +670,8 @@ bool CSSFixes::SDK_OnLoad(char *error, size_t maxlength, bool late)
g_pDetour_InputTestActivator->EnableDetour();
g_pDetour_PostConstructor->EnableDetour();
g_pDetour_CreateEntityByName->EnableDetour();
g_pDetour_PassesFilterImpl->EnableDetour();
g_pDetour_FindUseEntity->EnableDetour();
g_pDetour_CTraceFilterSimple->EnableDetour();
g_pDetour_KeyValue->EnableDetour();
@ -672,6 +829,18 @@ void CSSFixes::SDK_OnUnload()
g_pDetour_PostConstructor = NULL;
}
if (g_pDetour_CreateEntityByName != NULL)
{
g_pDetour_CreateEntityByName->Destroy();
g_pDetour_CreateEntityByName = NULL;
}
if (g_pDetour_PassesFilterImpl != NULL)
{
g_pDetour_PassesFilterImpl->Destroy();
g_pDetour_PassesFilterImpl = NULL;
}
if(g_pDetour_FindUseEntity != NULL)
{
g_pDetour_FindUseEntity->Destroy();

12
gamedata/CSSFixes.txt
View File

@ -16,6 +16,18 @@
"linux" "@_ZN11CBaseEntity15PostConstructorEPKc"
}
"CBaseFilter_PassesFilterImpl"
{
"library" "server"
"linux" "@_ZN11CBaseFilter16PassesFilterImplEP11CBaseEntityS1_"
}
"CreateEntityByName"
{
"library" "server"
"linux" "@_Z18CreateEntityByNamePKci"
}
"CBasePlayer_FindUseEntity"
{
"library" "server"