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Add MeshDeformation utility for generic meshes vertices morphing (eg. via Blend Shapes or Cloth)

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Wojtek Figat
2023-07-03 09:49:23 +02:00
parent 60181a29a3
commit 99ee0b1bfe
26 changed files with 600 additions and 368 deletions
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28
Source/Engine/Graphics/Models/SkinnedModelLOD.cpp
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@@ -1,17 +1,12 @@
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
#include "SkinnedModelLOD.h"
#include "MeshDeformation.h"
#include "Engine/Core/Log.h"
#include "Engine/Graphics/GPUDevice.h"
#include "Engine/Content/Assets/Model.h"
#include "Engine/Serialization/MemoryReadStream.h"
bool SkinnedModelLOD::HasAnyMeshInitialized() const
{
// Note: we initialize all meshes at once so the last one can be used to check it.
return Meshes.HasItems() && Meshes.Last().IsInitialized();
}
bool SkinnedModelLOD::Load(MemoryReadStream& stream)
{
// Load LOD for each mesh
@@ -147,6 +142,27 @@ BoundingBox SkinnedModelLOD::GetBox(const Matrix& world) const
return BoundingBox(min, max);
}
BoundingBox SkinnedModelLOD::GetBox(const Transform& transform, const MeshDeformation* deformation) const
{
Vector3 tmp, min = Vector3::Maximum, max = Vector3::Minimum;
Vector3 corners[8];
for (int32 meshIndex = 0; meshIndex < Meshes.Count(); meshIndex++)
{
const auto& mesh = Meshes[meshIndex];
BoundingBox box = mesh.GetBox();
if (deformation)
deformation->GetBounds(_lodIndex, meshIndex, box);
box.GetCorners(corners);
for (int32 i = 0; i < 8; i++)
{
transform.LocalToWorld(corners[i], tmp);
min = Vector3::Min(min, tmp);
max = Vector3::Max(max, tmp);
}
}
return BoundingBox(min, max);
}
BoundingBox SkinnedModelLOD::GetBox(const Matrix& world, int32 meshIndex) const
{
// Find minimum and maximum points of the mesh