CVertMeshViewer::CVertMeshViewer(UVertMesh* Mesh, CApplication* Window)
: CMeshViewer(Mesh, Window)
, AnimIndex(-1)
{
CVertMeshInstance *VertInst = new CVertMeshInstance();
VertInst->SetMesh(Mesh);
Inst = VertInst;
CVertMeshInstance *MeshInst = static_cast<CVertMeshInstance*>(Inst);
// compute model center by Z-axis (vertical)
CVec3 offset;
const FBox &B = Mesh->BoundingBox;
#if 1
VectorAdd(CVT(B.Min), CVT(B.Max), offset);
offset.Scale(0.5f);
MeshInst->BaseTransformScaled.TransformPointSlow(offset, offset);
#else
// scale/translate origin
float z = (B.Max.Z + B.Min.Z) / 2;
z = (z - Mesh->MeshOrigin.Z) * Mesh->MeshScale.Z; //!! bad formula
offset.Set(0, 0, z);
#endif
offset[2] += Mesh->BoundingSphere.R / 20; // offset a bit up
// offset view
SetViewOffset(offset);
// automatically scale view distance depending on model size
float Radius = Mesh->BoundingSphere.R;
if (Radius < 10) Radius = 10;
SetDistScale(Mesh->MeshScale.X * Radius / 150);
}
void CMeshViewer::InitViewerPosition(const CVec3 &Mins, const CVec3 &Maxs)
{
CVec3 tmp, Center;
VectorAdd(Maxs, Mins, tmp);
VectorScale(tmp, 0.5f, Center);
VectorSubtract(Maxs, Center, tmp);
float radius = tmp.GetLength();
SetViewOffset(Center);
SetDistScale((radius + 10) / 230);
MoveCamera(20, 20);
}
CStatMeshViewer::CStatMeshViewer(CStaticMesh* Mesh0, CApplication* Window)
: CMeshViewer(Mesh0->OriginalMesh, Window)
, Mesh(Mesh0)
{
guard(CStatMeshViewer::CStatMeshViewer);
CStatMeshInstance *StatInst = new CStatMeshInstance();
StatInst->SetMesh(Mesh);
Inst = StatInst;
#if 0
// compute model center
CVec3 offset;
offset[0] = (Mesh->BoundingBox.Max.X + Mesh->BoundingBox.Min.X) / 2;
offset[1] = (Mesh->BoundingBox.Max.Y + Mesh->BoundingBox.Min.Y) / 2;
offset[2] = (Mesh->BoundingBox.Max.Z + Mesh->BoundingBox.Min.Z) / 2;
offset[2] += Mesh->BoundingSphere.R / 20; // offset a bit up
SetViewOffset(offset);
// automatically scale view distance depending on model size
SetDistScale(Mesh->BoundingSphere.R / 150);
#else
//?? if Lods.Count > 0 && Lods[0].Verts.Num() > 0
CVec3 Mins, Maxs;
if (Mesh0->Lods.Num())
{
const CStaticMeshLod &Lod = Mesh0->Lods[0];
ComputeBounds(&Lod.Verts[0].Position, Lod.NumVerts, sizeof(CStaticMeshVertex), Mins, Maxs);
}
else
{
Mins = Maxs = nullVec3;
}
InitViewerPosition(Mins, Maxs);
#endif
unguard;
}
