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sign_func.cpp
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#include "sign_func.h"
#include "CEntity.h"
#include "CDetour/detours.h"
#include "CAI_NPC.h"
#include "ai_namespaces.h"
#include "CAI_schedule.h"
#include "CAI_senses.h"
#include "ragdoll_shared.h"
class CBasePlayer;
#include "soundenvelope.h"
#include "stringregistry.h"
#include "GameSystem.h"
#include "stringpool.h"
#include "gamemovement.h"
#include "CPlayer.h"
#include "ammodef.h"
#include "eventqueue.h"
#include "CAI_Hint.h"
#include "ai_waypoint.h"
#include "CAI_NetworkManager.h"
#include "callqueue.h"
#include "CPathTrack.h"
#ifdef PLATFORM_WINDOWS
#define ALWAYSINLINE __forceinline
#else
#define ALWAYSINLINE inline __attribute__((always_inline))
#endif
class CAI_SensedObjectsManager;
struct TemplateEntityData_t;
class CGameStringPool;
class CMemoryPool;
class CCallQueue;
class CCheckClient;
class CFlexSceneFileManager;
class CGlobalState;
class CDefaultResponseSystem;
class CGameMovement;
class CPhysicsHook;
class CCollisionEvent;
HelperFunction g_helpfunc;
CGameMovement *g_CGameMovement = NULL;
Vector *g_vecAttackDir = NULL;
CSoundEnvelopeController *g_SoundController = NULL;
IPredictionSystem *IPredictionSystem::g_pPredictionSystems = NULL;
CAI_SensedObjectsManager *g_AI_SensedObjectsManager = NULL;
CCallQueue *g_PostSimulationQueue = NULL;
INotify *g_pNotify = NULL;
IPhysicsObject *g_PhysWorldObject = NULL;
CViewVectors *g_ViewVectors = NULL;
CViewVectors *g_DefaultViewVectors = NULL;
IMoveHelper **sm_pSingleton = NULL;
int *g_interactionHitByPlayerThrownPhysObj = NULL;
extern CMultiDamage *my_g_MultiDamage;
extern CUtlVector<TemplateEntityData_t *> *g_Templates;
extern CEMemoryPool *g_EntityListPool;
extern ConVar *ammo_hegrenade_max;
extern ConVar *sk_autoaim_mode;
extern trace_t *g_TouchTrace;
extern INetworkStringTable *g_pStringTableParticleEffectNames;
extern CUtlVector<IValveGameSystem*> *s_GameSystems;
extern CCheckClient *g_CheckClient;
extern CFlexSceneFileManager *g_FlexSceneFileManager;
extern CGlobalState *gGlobalState;
extern CUtlMap< int, CAIHintVector > *my_gm_TypedHints;
extern CAI_SquadManager *g_AI_SquadManager;
extern CPhysicsHook *g_PhysicsHook;
extern CCollisionEvent *g_Collisions;
extern void InitDefaultAIRelationships();
extern bool SetResponseSystem();
SH_DECL_MANUALHOOK0(GameRules_FAllowNPCsHook, 0, 0, 0, bool);
SH_DECL_MANUALHOOK2(GameRules_ShouldCollideHook, 0, 0, 0, bool, int, int);
SH_DECL_MANUALHOOK2(GameRules_IsSpawnPointValid, 0, 0, 0, bool, CBaseEntity*, CBaseEntity*);
SH_DECL_MANUALHOOK1(OnLadderHook, 0, 0, 0, bool, trace_t &);
class HelperSystem : public CBaseGameSystem
{
public:
HelperSystem(const char *name) : CBaseGameSystem(name)
{
}
void LevelInitPreEntity()
{
g_helpfunc.LevelInitPreEntity();
}
void LevelInitPostEntity()
{
g_helpfunc.LevelInitPostEntity();
}
void LevelShutdownPreEntity()
{
g_helpfunc.LevelShutdownPreEntity();
}
void LevelShutdownPostEntity()
{
g_helpfunc.LevelShutdownPostEntity();
}
void SDKShutdown()
{
g_helpfunc.Shutdown();
}
};
static HelperSystem g_helpersystem("HelperSystem");
template <typename ReturnType, typename... Args>
static ALWAYSINLINE ReturnType call_virtual(void* instance, int index, Args... args)
{
using Fn = ReturnType(THISCALLCONV *)(void*, Args...);
auto function = (*reinterpret_cast<Fn**>(instance))[index];
return function(instance, args...);
}
string_t AllocPooledString( const char * pszValue )
{
return g_helpfunc.AllocPooledString(pszValue);
}
string_t FindPooledString( const char *pszValue )
{
return g_helpfunc.FindPooledString(pszValue);
}
HelperFunction::HelperFunction()
{
my_g_pGameRules = NULL;
g_SoundEmitterSystem = NULL;
}
template<typename T>
static bool GetPointerViaGameConf(const char *name, T& ptr)
{
static_assert(std::is_pointer<T>::value, "Expected a pointer");
char* addr = nullptr;
META_CONPRINTF("[%s] Getting %s - ", g_Monster.GetLogTag(), name);
if (!g_pGameConf->GetMemSig(name, reinterpret_cast<void**>(&addr)) || addr == nullptr) {
META_CONPRINT("Fail\n");
g_pSM->LogError(myself, "Unable to get %s", name);
return false;
}
#if defined(PLATFORM_WINDOWS)
int offset;
if (!g_pGameConf->GetOffset(name, &offset)) {
META_CONPRINT("Fail\n");
g_pSM->LogError(myself, "Unable to get offset for %s", name);
return false;
}
void* finalAddr = reinterpret_cast<void*>(addr + offset);
//memcpy(&ptr, finalAddr, sizeof(T*));
ptr = (T)finalAddr;
#else
//memcpy(&ptr, addr, sizeof(T*));
ptr = (T)addr;
#endif
META_CONPRINT("Success\n");
return true;
}
static void* GetVariableViaGameConf(const char *name)
{
char* addr = nullptr;
META_CONPRINTF("[%s] Getting %s - ", g_Monster.GetLogTag(), name);
if (!g_pGameConf->GetMemSig(name, reinterpret_cast<void**>(&addr)) || addr == nullptr) {
META_CONPRINT("Fail\n");
g_pSM->LogError(myself, "Unable to get %s", name);
return nullptr;
}
#if defined(PLATFORM_WINDOWS)
int offset;
if (!g_pGameConf->GetOffset(name, &offset)) {
META_CONPRINT("Fail\n");
g_pSM->LogError(myself, "Unable to get offset for %s", name);
return false;
}
void* finalAddr = reinterpret_cast<void*>(addr + offset);
//memcpy(ptr, finalAddr, sizeof(T));
#else
void* finalAddr = addr;
#endif
META_CONPRINT("Success\n");
return finalAddr;
}
void HelperFunction::LevelInitPreEntity()
{
g_pStringTableParticleEffectNames = netstringtables->FindTable("ParticleEffectNames");
g_AI_SchedulesManager.CreateStringRegistries();
InitDefaultAIRelationships();
HookGameRules();
g_ViewVectors = GameRules_GetViewVectors();
META_CONPRINTF("[%s] Server may crash at this time!\n",g_Monster.GetLogTag());
my_g_EntityCollisionHash = *(IPhysicsObjectPairHash**)(GetVariableViaGameConf("g_EntityCollisionHash"));
CBaseEntity *g_WorldEntity = *(CBaseEntity**)GetVariableViaGameConf("g_WorldEntity");
my_g_WorldEntity = CEntity::Instance(g_WorldEntity);
CAI_NPC::m_pActivitySR = *(CStringRegistry**) GetVariableViaGameConf("m_pActivitySR");
CAI_NPC::m_pEventSR = *(CStringRegistry**) GetVariableViaGameConf("m_pEventSR");
CAI_NPC::m_iNumActivities = (int*) GetVariableViaGameConf("m_iNumActivities");
CAI_NPC::m_iNumEvents = (int*) GetVariableViaGameConf("m_iNumEvents");
sm_pSingleton = (IMoveHelper**) GetVariableViaGameConf("sm_pSingleton");
//GET_VARIABLE(g_PhysWorldObject, IPhysicsObject *);
g_PhysWorldObject = *(IPhysicsObject**)GetVariableViaGameConf("g_PhysWorldObject");
g_AI_SchedulesManager.LoadAllSchedules();
if(g_ViewVectors && g_DefaultViewVectors == NULL)
{
g_DefaultViewVectors = new CViewVectors();
memcpy(g_DefaultViewVectors, g_ViewVectors, sizeof(CViewVectors));
}
}
void HelperFunction::LevelInitPostEntity()
{
CEAI_NetworkManager::InitializeAINetworks();
}
void HelperFunction::LevelShutdownPreEntity()
{
UnHookGameRules();
}
void HelperFunction::LevelShutdownPostEntity()
{
g_AI_SchedulesManager.DeleteAllSchedules();
g_AI_SchedulesManager.DestroyStringRegistries();
}
void HelperFunction::Shutdown()
{
LevelShutdownPreEntity();
CCombatCharacter::Shutdown();
SH_REMOVE_MANUALHOOK_MEMFUNC(OnLadderHook, g_CGameMovement, &g_helpfunc, &HelperFunction::OnLadder, false);
delete g_DefaultViewVectors;
}
bool HelperFunction::FindAllValveGameSystem()
{
FindValveGameSystem(g_CheckClient, CCheckClient *, "CCheckClient");
FindValveGameSystem(g_PropDataSystem, CPropData *, "CPropData");
FindValveGameSystem(g_SoundEmitterSystem, CValveBaseGameSystem *, "CSoundEmitterSystem");
FindValveGameSystem(g_FlexSceneFileManager, CFlexSceneFileManager *, "CFlexSceneFileManager");
FindValveGameSystem(gGlobalState, CGlobalState *, "CGlobalState");
FindValveGameSystem(g_PhysicsHook, CPhysicsHook *, "CPhysicsHook");
if(!SetResponseSystem())
return false;
return true;
}
static CSoundEnvelopeController *GetSoundController()
{
// this is a little tricky, on windows we sigscan references to a func that returns the soundcontroller
#if defined(PLATFORM_WINDOWS)
// "Invalid starting duration value in env" bellow 2, first function
META_CONPRINTF("[%s] Getting Soundcontroller - ", g_Monster.GetLogTag());
DWORD pGetSoundCtrl_Call;
if(!g_pGameConf->GetMemSig("g_SoundController", (void**)&pGetSoundCtrl_Call))
{
META_CONPRINT("Failed\n");
META_CONPRINTF("[%s] Couldn't find sig: g_SoundController", g_Monster.GetLogTag());
return nullptr;
}
int pGetSoundCtrl_Offs;
if(!g_pGameConf->GetOffset("g_SoundController", &pGetSoundCtrl_Offs))
{
META_CONPRINT("Failed\n");
META_CONPRINTF("[%s] Couldn't find offs: g_SoundController", g_Monster.GetLogTag());
return nullptr;
}
META_CONPRINTF("Success\n");
typedef CSoundEnvelopeController* (*GetSoundCtrler_t)();
pGetSoundCtrl_Call += pGetSoundCtrl_Offs; // point to call offset E8 >?? ?? ?? ??<
DWORD dwJmpOffs = *(DWORD*)pGetSoundCtrl_Call;
GetSoundCtrler_t getSoundController = (GetSoundCtrler_t)(pGetSoundCtrl_Call + 4 + dwJmpOffs);
return getSoundController();
#else
CSoundEnvelopeController* controller;
if(!g_pGameConf->GetMemSig("g_SoundController", (void**)&controller))
{
META_CONPRINTF("[%s] Couldn't find sig: g_SoundController", g_Monster.GetLogTag());
return nullptr;
}
return controller;
#endif
}
// if (!GetPointerViaGameConf(#var, var))
#define GET_VARIABLE(var, type) \
if ((var = (type)GetVariableViaGameConf(#var)) == nullptr) \
return false;
void *defaultRelship=nullptr;
bool HelperFunction::Initialize()
{
char *addr = NULL;
int offset = 0;
RegisterHook("GameRules_FAllowNPCs",GameRules_FAllowNPCsHook);
RegisterHook("GameRules_ShouldCollide",GameRules_ShouldCollideHook);
RegisterHook("GameRules_IsSpawnPointValid",GameRules_IsSpawnPointValid);
RegisterHook("CGameMovement_OnLadder",OnLadderHook);
g_Templates = (CUtlVector<TemplateEntityData_t *> *)GetVariableViaGameConf("g_Templates");
my_g_pGameRules = (void**)FindGameRules();
if (!my_g_pGameRules) {
g_pSM->LogError(myself, "Unable finding GameRules pointer!");
return false;
}
g_SoundController = GetSoundController();
GET_VARIABLE(s_GameSystems, CUtlVector<IValveGameSystem*> *);
if(!FindAllValveGameSystem()) {
return false;
}
/*
Script failed for %s\n
unnamed
*/
GET_VARIABLE(g_AI_SensedObjectsManager, CAI_SensedObjectsManager *);
/*
"Player.PlasmaDamage"
*/
GET_VARIABLE(g_vecAttackDir, Vector *);
// "ERROR: Attempting to give unknown ammo " above 1
defaultRelship = GetVariableViaGameConf("m_DefaultRelationship");
if (!defaultRelship) return false;
CCombatCharacter::m_DefaultRelationship = (Relationship_t ***)defaultRelship;
// "CNavArea::IncrementPlayerCount: Underfl" retn 8 bellow 4
int *m_lastInteraction = NULL;
GET_VARIABLE(m_lastInteraction, int *);
CCombatCharacter::m_lastInteraction = m_lastInteraction;
// "Can't find decal %s\n"
GET_VARIABLE(decalsystem, IDecalEmitterSystem *);
IPredictionSystem **g_pPredictionSystems = nullptr;
GET_VARIABLE(g_pPredictionSystems, IPredictionSystem **);
IPredictionSystem::g_pPredictionSystems = *g_pPredictionSystems;
te = servertools->GetTempEntsSystem();
GET_VARIABLE(my_g_MultiDamage, CMultiDamage *);
GET_VARIABLE(g_EntityListPool, CEMemoryPool *);
GET_VARIABLE(g_CEventQueue, CEventQueue *);
GET_VARIABLE(g_TouchTrace, trace_t *);
GET_VARIABLE(g_PostSimulationQueue, CCallQueue *);
GET_VARIABLE(g_pNotify, INotify *);
g_pNotify = *(INotify**)g_pNotify;
void *sAllocator = GetVariableViaGameConf("EventQueuePrioritizedEvent_t_s_Allocator");
if (sAllocator)
{
EventQueuePrioritizedEvent_t::s_Allocator = (CUtlMemoryPool*)sAllocator;
} else {
return false;
}
CAIHintVector *gm_AllHints = nullptr;
GET_VARIABLE(gm_AllHints, CAIHintVector *);
CAI_HintManager::gm_AllHints = gm_AllHints;
sAllocator = GetVariableViaGameConf("AI_Waypoint_t_s_Allocator");
if (sAllocator)
{
AI_Waypoint_t::s_Allocator = (CUtlMemoryPool*)sAllocator;
} else {
return false;
}
GET_VARIABLE(g_AIFriendliesTalkSemaphore, CAI_TimedSemaphore *);
GET_VARIABLE(g_AIFoesTalkSemaphore, CAI_TimedSemaphore *);
GET_VARIABLE(g_AI_SquadManager, CAI_SquadManager *);
typedef CUtlMap<int, CAIHintVector>* HINTS_TYPE;
HINTS_TYPE gm_TypedHints;
GET_VARIABLE(gm_TypedHints, HINTS_TYPE);
my_gm_TypedHints = gm_TypedHints;
GET_VARIABLE(g_interactionHitByPlayerThrownPhysObj, int *);
GET_VARIABLE(g_Collisions, CCollisionEvent *);
CE_CPathTrack::s_nCurrIterVal = (int*) GetVariableViaGameConf("s_nCurrIterVal");
CE_CPathTrack::s_bIsIterating = (bool*) GetVariableViaGameConf("s_bIsIterating");
// fix some stuff
g_CGameMovement = (CGameMovement *)g_pGameMovement;
SH_ADD_MANUALHOOK_MEMFUNC(OnLadderHook, g_CGameMovement, &g_helpfunc, &HelperFunction::OnLadder, false);
CAmmoDef *def = GetAmmoDef();
int grenade = def->Index("AMMO_TYPE_HEGRENADE");
if(grenade > 0)
{
Ammo_t *ammo = def->GetAmmoOfIndex(grenade);
if(ammo)
{
ammo->pMaxCarry = -1;
ammo->pMaxCarryCVar = ammo_hegrenade_max;
}
}
IGameSystem::HookValveSystem();
return true;
}
bool HelperFunction::OnLadder( trace_t &trace )
{
CPlayer *pPlayer = (CPlayer *)CEntity::Instance((CBaseEntity *)g_CGameMovement->player);
if(pPlayer)
{
if(pPlayer->m_bOnLadder && pPlayer->GetGroundEntity() == NULL)
{
RETURN_META_VALUE(MRES_SUPERCEDE, true);
}
}
RETURN_META_VALUE(MRES_IGNORED, true);
}
bool HelperFunction::GameRules_FAllowNPCs()
{
RETURN_META_VALUE(MRES_SUPERCEDE, true);
}
void** HelperFunction::FindGameRules()
{
if (!my_g_pGameRules)
{
if (sdktools)
my_g_pGameRules = (void **) sdktools->GetGameRules();
if (!my_g_pGameRules)
{
#if defined(PLATFORM_WINDOWS)
void *addr;
int offset;
if (!g_pGameConf->GetMemSig("CreateGameRulesObject", (void **) &addr) || !addr)
return nullptr;
if (!g_pGameConf->GetOffset("g_pGameRules", &offset) || !offset)
return nullptr;
my_g_pGameRules = *reinterpret_cast<void ***>(addr + offset);
#else
my_g_pGameRules = (void**)GetVariableViaGameConf("g_pGameRules");
#endif
}
}
return my_g_pGameRules;
}
void HelperFunction::HookGameRules()
{
if (!my_g_pGameRules || !*my_g_pGameRules)
return;
SH_ADD_MANUALHOOK_MEMFUNC(GameRules_FAllowNPCsHook, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_FAllowNPCs, false);
SH_ADD_MANUALHOOK_MEMFUNC(GameRules_ShouldCollideHook, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_ShouldCollide_Hook, true);
SH_ADD_MANUALHOOK_MEMFUNC(GameRules_IsSpawnPointValid, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_IsSpawnPointValid_Hook, true);
}
void HelperFunction::UnHookGameRules()
{
if (!my_g_pGameRules || !*my_g_pGameRules)
return;
SH_REMOVE_MANUALHOOK_MEMFUNC(GameRules_FAllowNPCsHook, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_FAllowNPCs, false);
SH_REMOVE_MANUALHOOK_MEMFUNC(GameRules_ShouldCollideHook, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_ShouldCollide_Hook, true);
SH_REMOVE_MANUALHOOK_MEMFUNC(GameRules_IsSpawnPointValid, *my_g_pGameRules, &g_helpfunc, &HelperFunction::GameRules_IsSpawnPointValid_Hook, true);
}
bool HelperFunction::CGameRules_ShouldCollide( int collisionGroup0, int collisionGroup1 )
{
if ( collisionGroup0 > collisionGroup1 )
{
// swap so that lowest is always first
std::swap(collisionGroup0,collisionGroup1);
}
if ( collisionGroup0 == COLLISION_GROUP_DEBRIS && collisionGroup1 == COLLISION_GROUP_PUSHAWAY )
{
// let debris and multiplayer objects collide
return true;
}
// --------------------------------------------------------------------------
// NOTE: All of this code assumes the collision groups have been sorted!!!!
// NOTE: Don't change their order without rewriting this code !!!
// --------------------------------------------------------------------------
// Don't bother if either is in a vehicle...
if (( collisionGroup0 == COLLISION_GROUP_IN_VEHICLE ) || ( collisionGroup1 == COLLISION_GROUP_IN_VEHICLE ))
return false;
if ( ( collisionGroup1 == COLLISION_GROUP_DOOR_BLOCKER ) && ( collisionGroup0 != COLLISION_GROUP_NPC ) )
return false;
if ( ( collisionGroup0 == COLLISION_GROUP_PLAYER ) && ( collisionGroup1 == COLLISION_GROUP_PASSABLE_DOOR ) )
return false;
if ( collisionGroup0 == COLLISION_GROUP_DEBRIS || collisionGroup0 == COLLISION_GROUP_DEBRIS_TRIGGER )
{
// put exceptions here, right now this will only collide with COLLISION_GROUP_NONE
return false;
}
// Dissolving guys only collide with COLLISION_GROUP_NONE
if ( (collisionGroup0 == COLLISION_GROUP_DISSOLVING) || (collisionGroup1 == COLLISION_GROUP_DISSOLVING) )
{
if ( collisionGroup0 != COLLISION_GROUP_NONE )
return false;
}
// doesn't collide with other members of this group
// or debris, but that's handled above
if ( collisionGroup0 == COLLISION_GROUP_INTERACTIVE_DEBRIS && collisionGroup1 == COLLISION_GROUP_INTERACTIVE_DEBRIS )
return false;
if ( collisionGroup0 == COLLISION_GROUP_BREAKABLE_GLASS && collisionGroup1 == COLLISION_GROUP_BREAKABLE_GLASS )
return false;
// interactive objects collide with everything except debris & interactive debris
if ( collisionGroup1 == COLLISION_GROUP_INTERACTIVE && collisionGroup0 != COLLISION_GROUP_NONE )
return false;
// Projectiles hit everything but debris, weapons, + other projectiles
if ( collisionGroup1 == COLLISION_GROUP_PROJECTILE )
{
if ( collisionGroup0 == COLLISION_GROUP_DEBRIS ||
collisionGroup0 == COLLISION_GROUP_WEAPON ||
collisionGroup0 == COLLISION_GROUP_PROJECTILE )
{
return false;
}
}
// Don't let vehicles collide with weapons
// Don't let players collide with weapons...
// Don't let NPCs collide with weapons
// Weapons are triggers, too, so they should still touch because of that
if ( collisionGroup1 == COLLISION_GROUP_WEAPON )
{
if ( collisionGroup0 == COLLISION_GROUP_VEHICLE ||
collisionGroup0 == COLLISION_GROUP_PLAYER ||
collisionGroup0 == COLLISION_GROUP_NPC )
{
return false;
}
}
// collision with vehicle clip entity??
if ( collisionGroup0 == COLLISION_GROUP_VEHICLE_CLIP || collisionGroup1 == COLLISION_GROUP_VEHICLE_CLIP )
{
// yes then if it's a vehicle, collide, otherwise no collision
// vehicle sorts lower than vehicle clip, so must be in 0
if ( collisionGroup0 == COLLISION_GROUP_VEHICLE )
return true;
// vehicle clip against non-vehicle, no collision
return false;
}
return true;
}
bool HelperFunction::CHalfLife2_ShouldCollide( int collisionGroup0, int collisionGroup1)
{
// The smaller number is always first
if ( collisionGroup0 > collisionGroup1 )
{
// swap so that lowest is always first
int tmp = collisionGroup0;
collisionGroup0 = collisionGroup1;
collisionGroup1 = tmp;
}
// Prevent the player movement from colliding with spit globs (caused the player to jump on top of globs while in water)
if ( collisionGroup0 == COLLISION_GROUP_PLAYER_MOVEMENT && collisionGroup1 == HL2COLLISION_GROUP_SPIT )
return false;
// HL2 treats movement and tracing against players the same, so just remap here
if ( collisionGroup0 == COLLISION_GROUP_PLAYER_MOVEMENT )
{
collisionGroup0 = COLLISION_GROUP_PLAYER;
}
if( collisionGroup1 == COLLISION_GROUP_PLAYER_MOVEMENT )
{
collisionGroup1 = COLLISION_GROUP_PLAYER;
}
//If collisionGroup0 is not a player then NPC_ACTOR behaves just like an NPC.
if ( collisionGroup1 == COLLISION_GROUP_NPC_ACTOR && collisionGroup0 != COLLISION_GROUP_PLAYER )
{
collisionGroup1 = COLLISION_GROUP_NPC;
}
if ( collisionGroup0 == HL2COLLISION_GROUP_COMBINE_BALL )
{
if ( collisionGroup1 == HL2COLLISION_GROUP_COMBINE_BALL )
return false;
}
if ( collisionGroup0 == HL2COLLISION_GROUP_COMBINE_BALL && collisionGroup1 == HL2COLLISION_GROUP_COMBINE_BALL_NPC )
return false;
if ( ( collisionGroup0 == COLLISION_GROUP_WEAPON ) ||
( collisionGroup0 == COLLISION_GROUP_PLAYER ) ||
( collisionGroup0 == COLLISION_GROUP_PROJECTILE ) )
{
if ( collisionGroup1 == HL2COLLISION_GROUP_COMBINE_BALL )
return false;
}
if ( collisionGroup0 == COLLISION_GROUP_DEBRIS )
{
if ( collisionGroup1 == HL2COLLISION_GROUP_COMBINE_BALL )
return true;
}
if (collisionGroup0 == HL2COLLISION_GROUP_HOUNDEYE && collisionGroup1 == HL2COLLISION_GROUP_HOUNDEYE )
return false;
if (collisionGroup0 == HL2COLLISION_GROUP_HOMING_MISSILE && collisionGroup1 == HL2COLLISION_GROUP_HOMING_MISSILE )
return false;
if ( collisionGroup1 == HL2COLLISION_GROUP_CROW )
{
if ( collisionGroup0 == COLLISION_GROUP_PLAYER || collisionGroup0 == COLLISION_GROUP_NPC ||
collisionGroup0 == HL2COLLISION_GROUP_CROW )
return false;
}
if ( ( collisionGroup0 == HL2COLLISION_GROUP_HEADCRAB ) && ( collisionGroup1 == HL2COLLISION_GROUP_HEADCRAB ) )
return false;
// striders don't collide with other striders
if ( collisionGroup0 == HL2COLLISION_GROUP_STRIDER && collisionGroup1 == HL2COLLISION_GROUP_STRIDER )
return false;
// gunships don't collide with other gunships
if ( collisionGroup0 == HL2COLLISION_GROUP_GUNSHIP && collisionGroup1 == HL2COLLISION_GROUP_GUNSHIP )
return false;
// weapons and NPCs don't collide
if ( collisionGroup0 == COLLISION_GROUP_WEAPON && (collisionGroup1 >= HL2COLLISION_GROUP_FIRST_NPC && collisionGroup1 <= HL2COLLISION_GROUP_LAST_NPC ) )
return false;
//players don't collide against NPC Actors.
//I could've done this up where I check if collisionGroup0 is NOT a player but I decided to just
//do what the other checks are doing in this function for consistency sake.
if ( collisionGroup1 == COLLISION_GROUP_NPC_ACTOR && collisionGroup0 == COLLISION_GROUP_PLAYER )
return false;
// In cases where NPCs are playing a script which causes them to interpenetrate while riding on another entity,
// such as a train or elevator, you need to disable collisions between the actors so the mover can move them.
if ( collisionGroup0 == COLLISION_GROUP_NPC_SCRIPTED && collisionGroup1 == COLLISION_GROUP_NPC_SCRIPTED )
return false;
// Spit doesn't touch other spit
if ( collisionGroup0 == HL2COLLISION_GROUP_SPIT && collisionGroup1 == HL2COLLISION_GROUP_SPIT )
return false;
return CGameRules_ShouldCollide(collisionGroup0,collisionGroup1);
}
bool HelperFunction::GameRules_ShouldCollide_Hook(int collisionGroup0, int collisionGroup1)
{
bool css_ret = META_RESULT_ORIG_RET(bool);
if(collisionGroup0 >= LAST_SHARED_COLLISION_GROUP || collisionGroup1 >= LAST_SHARED_COLLISION_GROUP)
{
bool hl2_ret = CHalfLife2_ShouldCollide(collisionGroup0,collisionGroup1);
RETURN_META_VALUE(MRES_SUPERCEDE, hl2_ret);
} else {
RETURN_META_VALUE(MRES_IGNORED, true);
}
}
// replicates HL2/HL2DM spawn point validation
bool HelperFunction::GameRules_IsSpawnPointValid_Hook(CBaseEntity *point, CBaseEntity *player)
{
CEntity *cent_point = CEntity::Instance(point);
CEntity *cent_player = (CPlayer*)CEntity::Instance(player);
if ( !cent_point->IsTriggered(player) )
{
RETURN_META_VALUE(MRES_SUPERCEDE, false);
}
CEntity *ent = nullptr;
for ( CEntitySphereQuery sphere( cent_point->GetAbsOrigin(), 128 );
(ent = sphere.GetCurrentEntity()) != nullptr;
sphere.NextEntity() )
{
// if ent is a client, don't spawn on 'em
if ( ent->IsPlayer() && ent != cent_player )
{
RETURN_META_VALUE(MRES_SUPERCEDE, false);
}
}
RETURN_META_VALUE(MRES_SUPERCEDE, true);
}
/*
* template <typename ReturnType, typename... Args>
static ALWAYSINLINE ReturnType call_virtual(void* instance, int index, Args... args)
{
using Fn = ReturnType(THISCALLCONV *)(void*, Args...);
auto function = (*reinterpret_cast<Fn**>(instance))[index];
return function(instance, args...);
}
*/
bool HelperFunction::GameRules_ShouldCollide(int collisionGroup0, int collisionGroup1)
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_ShouldCollide", &offset))
{
assert(0);
return false;
}
}
return call_virtual<bool>(*my_g_pGameRules, offset, collisionGroup0, collisionGroup1);
}
bool HelperFunction::GameRules_Damage_NoPhysicsForce(int iDmgType)
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_Damage_NoPhysicsForce", &offset))
{
assert(0);
return false;
}
}
return call_virtual<bool>(*my_g_pGameRules, offset, iDmgType);
}
bool HelperFunction::GameRules_IsSkillLevel(int iLevel)
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_IsSkillLevel", &offset))
{
assert(0);
return false;
}
}
return call_virtual<bool>(*my_g_pGameRules, offset, iLevel);
}
bool HelperFunction::GameRules_IsTeamplay()
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_IsTeamplay", &offset))
{
assert(0);
return false;
}
}
return call_virtual<bool>(*my_g_pGameRules, offset);
}
void HelperFunction::GameRules_RadiusDamage(const CTakeDamageInfo &info, const Vector &vecSrc, float flRadius, int iClassIgnore, CBaseEntity *pEntityIgnore)
{
static void *func = NULL;
if(!func)
{
if(!g_pGameConf->GetMemSig("CGameRules::RadiusDamage", &func))
{
assert(0);
return;
}
}
typedef Activity (THISCALLCONV *_func)(void*, const CTakeDamageInfo&, const Vector&, float, int, CBaseEntity*);
_func thisfunc = (_func)func;
thisfunc(*my_g_pGameRules, info, vecSrc, flRadius, iClassIgnore, pEntityIgnore);
}
CCombatWeapon *HelperFunction::GameRules_GetNextBestWeapon(CBaseEntity *pPlayer, CBaseEntity *pCurrentWeapon)
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_GetNextBestWeapon", &offset))
{
assert(0);
return NULL;
}
}
CBaseEntity *ret = call_virtual<CBaseEntity*>(*my_g_pGameRules, offset, pPlayer, pCurrentWeapon);
return (CCombatWeapon*)CEntity::Instance(ret);
}
bool HelperFunction::GameRules_FPlayerCanTakeDamage(CBaseEntity *pPlayer, CBaseEntity *pAttacker, const CTakeDamageInfo &info)
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_FPlayerCanTakeDamage", &offset))
{
assert(0);
return NULL;
}
}
return call_virtual<bool>(*my_g_pGameRules, offset, pPlayer, pAttacker, info);
}
void HelperFunction::GameRules_EndMultiplayerGame()
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_EndMultiplayerGame", &offset))
{
assert(0);
return;
}
}
call_virtual<void>(*my_g_pGameRules, offset);
}
int HelperFunction::GameRules_GetAutoAimMode()
{
// we use the cvar to avoid doing a sigscan..
return sk_autoaim_mode->GetInt();
}
CViewVectors *HelperFunction::GameRules_GetViewVectors()
{
static int offset = NULL;
if(!offset)
{
if(!g_pGameConf->GetOffset("GameRules_GetViewVectors", &offset))
{
assert(0);
return nullptr;
}
}
return call_virtual<CViewVectors*>(*my_g_pGameRules, offset);
}
Activity HelperFunction::ActivityList_RegisterPrivateActivity( const char *pszActivityName )
{
static void *func = NULL;
if(!func)
{
if(!g_pGameConf->GetMemSig("ActivityList_RegisterPrivateActivity", &func))
{
assert(0);
return ACT_INVALID;
}
}
typedef Activity (*_func)(char const *);
_func thisfunc = (_func)func;
return thisfunc(pszActivityName);
}
Animevent HelperFunction::EventList_RegisterPrivateEvent( const char *pszEventName )
{
static void *func = NULL;
if(!func)
{
if(!g_pGameConf->GetMemSig("EventList_RegisterPrivateEvent", &func))
{
assert(0);
return AE_INVALID;
}
}
typedef Animevent (*_func)(char const *);
_func thisfunc = (_func)func;
return thisfunc(pszEventName);
}
CBaseEntity *HelperFunction::NPCPhysics_CreateSolver(CBaseEntity *pNPC, CBaseEntity *c, bool disableCollisions, float separationDuration)
{
static void *func = NULL;
if(!func)
{
if(!g_pGameConf->GetMemSig("NPCPhysics_CreateSolver", &func))
{
assert(0);
return NULL;
}
}
CBaseEntity *pEntity = NULL;
typedef CBaseEntity* (*_func)(CBaseEntity *, CBaseEntity *, bool, float);
_func thisfunc = (_func)func;
pEntity = (CBaseEntity*)thisfunc(pNPC, pNPC, disableCollisions, separationDuration);
return pEntity;
}
HSOUNDSCRIPTHANDLE HelperFunction::PrecacheScriptSound(const char *soundname)
{
static void *func = NULL;
if(!func)
{
if(!g_pGameConf->GetMemSig("PrecacheScriptSound", &func))
{
assert(0);
return SOUNDEMITTER_INVALID_HANDLE;
}
}
#ifdef PLATFORM_WINDOWS
typedef HSOUNDSCRIPTHANDLE (__thiscall *_func)(void *, const char *);
_func thisfunc = (_func)func;
return thisfunc(g_SoundEmitterSystem, soundname);
#else
typedef HSOUNDSCRIPTHANDLE (*_func)(const char *);
_func thisfunc = (_func)func;
return thisfunc(soundname);
#endif
}
void HelperFunction::EmitSoundByHandle( IRecipientFilter& filter, int entindex, const EmitSound_t & ep, HSOUNDSCRIPTHANDLE& handle )
{
static void *func = NULL;
if(!func)
{