bool MeshCompiler::TraceMesh( const Segment& s )
{
if( m_RawTris.Size() )
{
if( s.Intersects( m_AABB ) )
{
for( uint j = 0; j < m_RawTris.Size(); ++j )
{
if( s.Intersects( m_RawTris[j] ) ||
( m_TraceTriangleBacks && s.Intersects( m_RawTris[j].GetFlipped() ) ) )
{
return true;
}
}
}
}
return false;
}
bool AABB::Intersects(const Segment& s) const { return s.Intersects(*this); }
bool Plane::Intersects(const Segment& s,
CollisionInfo* const pInfo /*= NULL*/) const {
return s.Intersects(*this, pInfo);
}
WBEntity* WBCompEldFrobber::FindTargetFrobbable() const {
if (m_FrobDisabled) {
return nullptr;
}
InputSystem* const pInputSystem = GetFramework()->GetInputSystem();
STATIC_HASHED_STRING(Frob);
if (pInputSystem->IsSuppressed(sFrob)) {
return nullptr;
}
const Array<WBCompEldFrobbable*>* const pFrobbablesArrays =
WBComponentArrays::GetComponents<WBCompEldFrobbable>();
if (!pFrobbablesArrays) {
return nullptr;
}
WBEntity* const pEntity = GetEntity();
DEVASSERT(pEntity);
WBCompEldTransform* const pTransform =
pEntity->GetTransformComponent<WBCompEldTransform>();
DEVASSERT(pTransform);
WBCompEldCamera* const pCamera = GET_WBCOMP(pEntity, EldCamera);
const Vector StartOffset =
pCamera ? pCamera->GetViewTranslationOffset(WBCompEldCamera::EVM_All)
: Vector();
const Vector StartLocation = pTransform->GetLocation() + StartOffset;
const Vector Direction = pTransform->GetOrientation().ToVector();
const Vector EndLocation = StartLocation + Direction * m_FrobDistance;
const Segment FrobTraceSegment = Segment(StartLocation, EndLocation);
// First, trace against world and collidables as a baseline for our trace
// distance.
CollisionInfo CollidableInfo;
CollidableInfo.m_CollideWorld = true;
CollidableInfo.m_CollideEntities = true;
CollidableInfo.m_UserFlags = EECF_EntityCollision;
GetWorld()->Trace(FrobTraceSegment, CollidableInfo);
const float CollidableT = CollidableInfo.m_HitT;
const Array<WBCompEldFrobbable*>& Frobbables = *pFrobbablesArrays;
WBEntity* pNearestEntity = nullptr;
float NearestT = 0.0f;
const uint NumFrobbables = Frobbables.Size();
for (uint FrobbableIndex = 0; FrobbableIndex < NumFrobbables;
++FrobbableIndex) {
WBCompEldFrobbable* const pFrobbable = Frobbables[FrobbableIndex];
ASSERT(pFrobbable);
if (!pFrobbable->IsFrobbable()) {
continue;
}
WBEntity* const pFrobbableEntity = pFrobbable->GetEntity();
ASSERT(pFrobbableEntity);
if (pFrobbableEntity->IsDestroyed()) {
continue;
}
const AABB FrobbableBox = pFrobbable->GetBound();
CollisionInfo Info;
if (FrobTraceSegment.Intersects(FrobbableBox, &Info)) {
if (Info.m_HitT <=
CollidableT) // Check if trace was blocked by some collision
{
if (Info.m_HitT < NearestT || pNearestEntity == nullptr) {
pNearestEntity = pFrobbableEntity;
NearestT = Info.m_HitT;
}
}
}
}
return pNearestEntity;
}
