bool CDialogActorContext::DoLookAt(IEntity *pEntity, IEntity *pLookAtEntity, bool& bReachedTarget)
{
bReachedTarget = false;
IAIObject* pAI = pEntity->GetAI();
if (pAI == 0)
return false;
IAIActor* pAIActor = pAI->CastToIAIActor();
if (!pAIActor)
{
return false;
}
if (pLookAtEntity == 0)
{
pAIActor->ResetLookAt();
bReachedTarget = true;
m_bLookAtNeedsReset = false;
}
else
{
IAIObject* pTargetAI = pLookAtEntity->GetAI();
Vec3 pos = pTargetAI ? pTargetAI->GetPos() : pLookAtEntity->GetWorldPos();
bReachedTarget = pAIActor->SetLookAtPointPos(pos, true);
m_bLookAtNeedsReset = true;
}
return true;
}
//////////////////////////////////////////////////////////////////////////
// IsMountedWeaponUsableWithTarget
// A piece of game-code moved from CryAction when scriptbind_AI moved to the AI system
//////////////////////////////////////////////////////////////////////////
int CScriptBind_Game::IsMountedWeaponUsableWithTarget(IFunctionHandler *pH)
{
int paramCount = pH->GetParamCount();
if(paramCount<2)
{
GameWarning("%s: too few parameters.", __FUNCTION__);
return pH->EndFunction();
}
GET_ENTITY(1);
if(!pEntity)
{
GameWarning("%s: wrong entity id in parameter 1.", __FUNCTION__);
return pH->EndFunction();
}
IAIObject* pAI = pEntity->GetAI();
if (!pAI)
{
GameWarning("%s: Entity '%s' does not have AI.",__FUNCTION__, pEntity->GetName());
return pH->EndFunction();
}
EntityId itemEntityId;
ScriptHandle hdl2;
if(!pH->GetParam(2,hdl2))
{
GameWarning("%s: wrong parameter 2 format.", __FUNCTION__);
return pH->EndFunction();
}
itemEntityId = (EntityId)hdl2.n;
if (!itemEntityId)
{
GameWarning("%s: wrong entity id in parameter 2.", __FUNCTION__);
return pH->EndFunction();
}
IGameFramework *pGameFramework = gEnv->pGame->GetIGameFramework();
IItem* pItem = pGameFramework->GetIItemSystem()->GetItem(itemEntityId);
if (!pItem)
{
//gEnv->pAISystem->Warning("<CScriptBind> ", "entity in parameter 2 is not an item/weapon");
GameWarning("%s: entity in parameter 2 is not an item/weapon.", __FUNCTION__);
return pH->EndFunction();
}
float minDist = 7;
bool bSkipTargetCheck = false;
Vec3 targetPos(ZERO);
if(paramCount > 2)
{
for(int i=3;i <= paramCount ; i++)
{
if(pH->GetParamType(i) == svtBool)
pH->GetParam(i,bSkipTargetCheck);
else if(pH->GetParamType(i) == svtNumber)
pH->GetParam(i,minDist);
else if(pH->GetParamType(i) == svtObject)
pH->GetParam(i,targetPos);
}
}
IAIActor* pAIActor = CastToIAIActorSafe(pAI);
if (!pAIActor)
{
GameWarning("%s: entity '%s' in parameter 1 is not an AI actor.", __FUNCTION__, pEntity->GetName());
return pH->EndFunction();
}
IEntity* pItemEntity = pItem->GetEntity();
if(!pItemEntity)
return pH->EndFunction();
if(!pItem->GetOwnerId())
{
// weapon is not used, check if it is on a vehicle
IEntity* pParentEntity = pItemEntity->GetParent();
if(pParentEntity)
{
IAIObject* pParentAI = pParentEntity->GetAI();
if(pParentAI && pParentAI->GetAIType()==AIOBJECT_VEHICLE)
{
// (MATT) Feature was cut and code was tricky, hence ignore weapons in vehicles {2008/02/15:11:08:51}
return pH->EndFunction();
}
}
}
else if( pItem->GetOwnerId()!= pEntity->GetId()) // item is used by someone else?
return pH->EndFunction(false);
// check target
if(bSkipTargetCheck)
return pH->EndFunction(true);
IAIObject* pTarget = pAIActor->GetAttentionTarget();
if(targetPos.IsZero())
{
if(!pTarget)
return pH->EndFunction();
targetPos = pTarget->GetPos();
}
Vec3 targetDir(targetPos - pItemEntity->GetWorldPos());
Vec3 targetDirXY(targetDir.x, targetDir.y, 0);
float length2D = targetDirXY.GetLength();
if(length2D < minDist || length2D<=0)
return pH->EndFunction();
targetDirXY /= length2D;//normalize
IWeapon* pWeapon = pItem->GetIWeapon();
bool vehicleGun = pWeapon && pWeapon->GetHostId();
if (!vehicleGun)
{
Vec3 mountedAngleLimits(pItem->GetMountedAngleLimits());
float yawRange = DEG2RAD(mountedAngleLimits.z);
if(yawRange > 0 && yawRange < gf_PI)
{
float deltaYaw = pItem->GetMountedDir().Dot(targetDirXY);
if(deltaYaw < cosf(yawRange))
return pH->EndFunction(false);
}
float minPitch = DEG2RAD(mountedAngleLimits.x);
float maxPitch = DEG2RAD(mountedAngleLimits.y);
//maxPitch = (maxPitch - minPitch)/2;
//minPitch = -maxPitch;
float pitch = atanf(targetDir.z / length2D);
if ( pitch < minPitch || pitch > maxPitch )
return pH->EndFunction(false);
}
if(pTarget)
{
IEntity* pTargetEntity = pTarget->GetEntity();
if(pTargetEntity)
{
// check target distance and where he's going
IPhysicalEntity *phys = pTargetEntity->GetPhysics();
if(phys)
{
pe_status_dynamics dyn;
phys->GetStatus(&dyn);
Vec3 velocity ( dyn.v);
velocity.z = 0;
float speed = velocity.GetLength2D();
if(speed>0)
{
//velocity /= speed;
if(length2D< minDist * 0.75f && velocity.Dot(targetDirXY)<=0)
return pH->EndFunction(false);
}
}
}
}
return pH->EndFunction(true);
}
