// NOTE: An overload of this method with a similar signature exists!
wxPoint MapTerrainT::TraceRay(const Vector3fT& Source, const Vector3fT& Direction) const
{
VB_Trace3T<double> TraceResult(1.0);
m_Terrain.TraceBoundingBox(BoundingBox3T<double>(Vector3dT(), Vector3dT()), Source.AsVectorOfDouble(), Direction.AsVectorOfDouble(), TraceResult);
if (TraceResult.Fraction==1.0) return wxPoint(-1, -1);
Vector3fT HitPos(Source+Direction*TraceResult.Fraction);
float TerrainXLength=m_TerrainBounds.Max.x-m_TerrainBounds.Min.x;
float TerrainYLength=m_TerrainBounds.Max.y-m_TerrainBounds.Min.y;
Vector3fT HitPosRelative(HitPos.x-m_TerrainBounds.Min.x, HitPos.y-m_TerrainBounds.Min.y, 0.0f);
wxPoint HeightDataPos(Round(HitPosRelative.x/float(TerrainXLength)*float(m_Resolution-1)), Round(HitPosRelative.y/float(TerrainYLength)*float(m_Resolution-1)));
// Flip tools y position.
HeightDataPos.y=m_Resolution-1-HeightDataPos.y;
// If height data position lies outside height data boundaries return undefined position.
if (HeightDataPos.x<0 || HeightDataPos.y<0 || (unsigned long)HeightDataPos.x>m_Resolution-1 || (unsigned long)HeightDataPos.y>m_Resolution-1)
return wxPoint(-1, -1);
return HeightDataPos;
}
AMapTile * AMapPlayerController::GetTileUnderCursor()
{
AMapTile * tile = NULL;
FHitResult TraceResult(ForceInit);
GetHitResultUnderCursorByChannel(UEngineTypes::ConvertToTraceType(COLLISION_MAP_TILE), false, TraceResult);
if (TraceResult.GetActor() != NULL) {
if (Cast<AMapTile>(TraceResult.GetActor())) {
tile = Cast<AMapTile>(TraceResult.GetActor());
}
if (Cast<AMapBasicEntity>(TraceResult.GetActor())) {
tile = Cast<AMapBasicEntity>(TraceResult.GetActor())->AssignedTiles[0];
}
}
return tile;
}
TArray<AMapBasicEntity*> AMapPlayerController::GetEntitiesInTrace()
{
TArray<AMapBasicEntity*> R;
FHitResult TraceResult(ForceInit);
GetHitResultUnderCursorByChannel(UEngineTypes::ConvertToTraceType(ECC_Pawn), false, TraceResult);
if (TraceResult.GetActor() != nullptr)
{
if (Cast<AMapBasicEntity>(TraceResult.GetActor()) != NULL) {
R.Add(Cast<AMapBasicEntity>(TraceResult.GetActor()));
}
if (Cast<AMapTile>(TraceResult.GetActor())) {
R.Append(Cast<AMapTile>(TraceResult.GetActor())->AssignedEntity);
}
}
return R;
}
