//------------------------------------------------------------------------
void CVehicleWeapon::StartUse(EntityId userId)
{
if (m_ownerId && userId != m_ownerId)
return;
if (GetEntity()->GetParent())
{
m_pVehicle = gEnv->pGame->GetIGameFramework()->GetIVehicleSystem()->GetVehicle(GetEntity()->GetParent()->GetId());
assert(m_pVehicle && "Using VehicleWeapons on non-vehicles may lead to unexpected behavior.");
if (m_pVehicle)
{
m_pPart = m_pVehicle->GetWeaponParentPart(GetEntityId());
m_pOwnerSeat = m_pVehicle->GetWeaponParentSeat(GetEntityId());
m_pSeatUser = m_pVehicle->GetSeatForPassenger(userId);
}
}
SetOwnerId(userId);
Select(true);
m_stats.used = true;
EnableUpdate(true, eIUS_General);
RequireUpdate(eIUS_General);
if (OutOfAmmo(false))
Reload(false);
UseManualBlending(true);
LowerWeapon(false);
SendMusicLogicEvent(eMUSICLOGICEVENT_WEAPON_MOUNT);
}
//------------------------------------------------------------------------
void CVehicleWeapon::StopUse(EntityId userId)
{
if (m_ownerId && userId != m_ownerId)
return;
SendMusicLogicEvent(eMUSICLOGICEVENT_WEAPON_UNMOUNT);
Select(false);
m_stats.used = false;
UseManualBlending(false);
SetOwnerId(0);
EnableUpdate(false);
if(IsZoomed() || IsZoomingInOrOut())
{
ExitZoom();
}
LowerWeapon(false);
}
//---------------------------------------------------------------------------
void CVehicleWeapon::CheckForFriendlyAI(float frameTime)
{
if (m_pVehicle)
{
if (CActor* pOwnerActor = GetOwnerActor())
{
if (pOwnerActor->IsPlayer() && !gEnv->bMultiplayer)
{
m_timeToUpdate -= frameTime;
if (m_timeToUpdate > 0.f)
return;
m_timeToUpdate = 0.15f;
if (IMovementController* pMC = pOwnerActor->GetMovementController())
{
SMovementState info;
pMC->GetMovementState(info);
LowerWeapon(false);
// Try ray hit
ray_hit rayhit;
IPhysicalEntity* pSkipEnts[10];
int nSkip = CSingle::GetSkipEntities(this, pSkipEnts, 10);
int intersect = gEnv->pPhysicalWorld->RayWorldIntersection(info.weaponPosition, info.aimDirection * 150.f, ent_all,
rwi_stop_at_pierceable | rwi_colltype_any, &rayhit, 1, pSkipEnts, nSkip);
if (intersect && rayhit.pCollider)
{
if (IEntity* pLookAtEntity = m_pEntitySystem->GetEntityFromPhysics(rayhit.pCollider))
{
if (EntityId lookAtEntityId = pLookAtEntity->GetId())
{
IAIObject* pLookAtAIObject = pLookAtEntity->GetAI();
IEntity* pOwnerEntity = pOwnerActor->GetEntity();
if (pOwnerEntity && pLookAtAIObject && (lookAtEntityId != GetEntityId()))
{
if (IVehicle* pVehicle = gEnv->pGame->GetIGameFramework()->GetIVehicleSystem()->GetVehicle(lookAtEntityId))
{
if (pVehicle->HasFriendlyPassenger(pOwnerEntity))
{
LowerWeapon(true);
StopFire(); // Just in case
}
}
else
{
if (pLookAtAIObject->IsFriendly(pOwnerEntity->GetAI(), false))
{
LowerWeapon(true);
StopFire(); // Just in case
}
}
}
else
{
// Special case (Animated objects), check for script table value "bNoFriendlyFire"
if (IScriptTable* pScriptTable = pLookAtEntity->GetScriptTable())
{
SmartScriptTable props;
if (pScriptTable->GetValue("Properties", props))
{
int isFriendly;
if (props->GetValue("bNoFriendlyFire", isFriendly) && (isFriendly != 0))
{
LowerWeapon(true);
StopFire(); // Just in case
}
}
}
}
}
}
}
}
}
}
}
}
//---------------------------------------------------------------------------
void CVehicleWeapon::CheckForFriendlyAI(float frameTime)
{
CActor* pOwner = GetOwnerActor();
if(pOwner && m_pVehicle && pOwner->IsPlayer() && !gEnv->bMultiplayer)
{
m_timeToUpdate-=frameTime;
if(m_timeToUpdate>0.0f)
return;
m_timeToUpdate = 0.15f;
if(IMovementController* pMC = pOwner->GetMovementController())
{
SMovementState info;
pMC->GetMovementState(info);
LowerWeapon(false);
//Try with boxes first
bool success = false;
//Try ray hit
if(!success)
{
ray_hit rayhit;
IPhysicalEntity* pSkipEnts[10];
int nSkip = CSingle::GetSkipEntities(this, pSkipEnts, 10);
int intersect = gEnv->pPhysicalWorld->RayWorldIntersection(info.weaponPosition, info.aimDirection * 150.0f, ent_all,
rwi_stop_at_pierceable|rwi_colltype_any, &rayhit, 1, pSkipEnts, nSkip);
IEntity* pLookAtEntity = NULL;
if(intersect && rayhit.pCollider)
pLookAtEntity = m_pEntitySystem->GetEntityFromPhysics(rayhit.pCollider);
if(pLookAtEntity && pLookAtEntity->GetAI() && pOwner->GetEntity() && pLookAtEntity->GetId()!=GetEntityId())
{
bool bFriendlyVehicle = false;
if( pLookAtEntity && pLookAtEntity->GetId() )
{
IVehicle *pVehicle = gEnv->pGame->GetIGameFramework()->GetIVehicleSystem()->GetVehicle(pLookAtEntity->GetId());
if ( pVehicle )
{
if ( pOwner->GetEntity() && pVehicle->HasFriendlyPassenger( pOwner->GetEntity() ) )
bFriendlyVehicle = true;
}
}
if(bFriendlyVehicle||!pLookAtEntity->GetAI()->IsHostile(pOwner->GetEntity()->GetAI(),false))
{
LowerWeapon(true);
StopFire();//Just in case
success = true;
m_pLookAtEnemy = NULL;
}
}
else if(pLookAtEntity)
{
//Special case (Animated objects), check for script table value "bFriendly"
SmartScriptTable props;
IScriptTable* pScriptTable = pLookAtEntity->GetScriptTable();
if(!pScriptTable || !pScriptTable->GetValue("Properties", props))
return;
int isFriendly = 0;
if(props->GetValue("bNoFriendlyFire", isFriendly) && isFriendly!=0)
{
LowerWeapon(true);
StopFire();//Just in case
success = true;
m_pLookAtEnemy = NULL;
}
}
else if(!pLookAtEntity)
m_pLookAtEnemy = NULL;
}
}
}
}
