int32 GenerateSphylAsSimpleCollision(UStaticMesh* StaticMesh)
{
if (!PromptToRemoveExistingCollision(StaticMesh))
{
return INDEX_NONE;
}
UBodySetup* bs = StaticMesh->BodySetup;
// Calculate bounding box.
FRawMesh RawMesh;
FStaticMeshSourceModel& SrcModel = StaticMesh->SourceModels[0];
SrcModel.RawMeshBulkData->LoadRawMesh(RawMesh);
FSphere sphere;
float length;
FRotator rotation;
FVector unitVec = bs->BuildScale3D;
CalcBoundingSphyl(RawMesh, sphere, length, rotation, unitVec);
// Dont use if radius is zero.
if (sphere.W <= 0.f)
{
FMessageDialog::Open(EAppMsgType::Ok, NSLOCTEXT("UnrealEd", "Prompt_10", "Could not create geometry."));
return INDEX_NONE;
}
// If height is zero, then a sphere would be better (should we just create one instead?)
if (length <= 0.f)
{
length = SMALL_NUMBER;
}
bs->Modify();
// Create new GUID
bs->InvalidatePhysicsData();
FKSphylElem SphylElem;
SphylElem.Center = sphere.Center;
SphylElem.Orientation = rotation.Quaternion();
SphylElem.Radius = sphere.W;
SphylElem.Length = length;
bs->AggGeom.SphylElems.Add(SphylElem);
// refresh collision change back to staticmesh components
RefreshCollisionChange(StaticMesh);
// Mark staticmesh as dirty, to help make sure it gets saved.
StaticMesh->MarkPackageDirty();
StaticMesh->bCustomizedCollision = true; //mark the static mesh for collision customization
return bs->AggGeom.SphylElems.Num() - 1;
}
int32 GenerateSphereAsSimpleCollision(UStaticMesh* StaticMesh)
{
if (!PromptToRemoveExistingCollision(StaticMesh))
{
return INDEX_NONE;
}
UBodySetup* bs = StaticMesh->BodySetup;
// Calculate bounding sphere.
FRawMesh RawMesh;
FStaticMeshSourceModel& SrcModel = StaticMesh->SourceModels[0];
SrcModel.RawMeshBulkData->LoadRawMesh(RawMesh);
FSphere bSphere, bSphere2, bestSphere;
FVector unitVec = bs->BuildScale3D;
CalcBoundingSphere(RawMesh, bSphere, unitVec);
CalcBoundingSphere2(RawMesh, bSphere2, unitVec);
if(bSphere.W < bSphere2.W)
bestSphere = bSphere;
else
bestSphere = bSphere2;
// Dont use if radius is zero.
if(bestSphere.W <= 0.f)
{
FMessageDialog::Open( EAppMsgType::Ok, NSLOCTEXT("UnrealEd", "Prompt_10", "Could not create geometry.") );
return INDEX_NONE;
}
bs->Modify();
// Create new GUID
bs->InvalidatePhysicsData();
FKSphereElem SphereElem;
SphereElem.Center = bestSphere.Center;
SphereElem.Radius = bestSphere.W;
bs->AggGeom.SphereElems.Add(SphereElem);
// refresh collision change back to staticmesh components
RefreshCollisionChange(StaticMesh);
// Mark staticmesh as dirty, to help make sure it gets saved.
StaticMesh->MarkPackageDirty();
StaticMesh->bCustomizedCollision = true; //mark the static mesh for collision customization
return bs->AggGeom.SphereElems.Num() - 1;
}
int32 GenerateBoxAsSimpleCollision(UStaticMesh* StaticMesh)
{
if (!PromptToRemoveExistingCollision(StaticMesh))
{
return INDEX_NONE;
}
UBodySetup* bs = StaticMesh->BodySetup;
// Calculate bounding Box.
FRawMesh RawMesh;
FStaticMeshSourceModel& SrcModel = StaticMesh->SourceModels[0];
SrcModel.RawMeshBulkData->LoadRawMesh(RawMesh);
FVector unitVec = bs->BuildScale3D;
FVector Center, Extents;
CalcBoundingBox(RawMesh, Center, Extents, unitVec);
bs->Modify();
// Create new GUID
bs->InvalidatePhysicsData();
FKBoxElem BoxElem;
BoxElem.Center = Center;
BoxElem.X = Extents.X * 2.0f;
BoxElem.Y = Extents.Y * 2.0f;
BoxElem.Z = Extents.Z * 2.0f;
bs->AggGeom.BoxElems.Add(BoxElem);
// refresh collision change back to staticmesh components
RefreshCollisionChange(StaticMesh);
// Mark staticmesh as dirty, to help make sure it gets saved.
StaticMesh->MarkPackageDirty();
StaticMesh->bCustomizedCollision = true; //mark the static mesh for collision customization
return bs->AggGeom.BoxElems.Num() - 1;
}