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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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37
Source/Engine/Graphics/Models/SkinnedMesh.cpp
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@@ -1,6 +1,7 @@
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
#include "SkinnedMesh.h"
#include "MeshDeformation.h"
#include "ModelInstanceEntry.h"
#include "Engine/Content/Assets/Material.h"
#include "Engine/Content/Assets/SkinnedModel.h"
@@ -172,26 +173,14 @@ void SkinnedMesh::Draw(const RenderContext& renderContext, const DrawInfo& info,
// Setup draw call
DrawCall drawCall;
drawCall.Geometry.IndexBuffer = _indexBuffer;
BlendShapesInstance::MeshInstance* blendShapeMeshInstance;
if (info.BlendShapes && info.BlendShapes->Meshes.TryGet(this, blendShapeMeshInstance) && blendShapeMeshInstance->IsUsed)
{
// Use modified vertex buffer from the blend shapes
if (blendShapeMeshInstance->IsDirty)
{
blendShapeMeshInstance->VertexBuffer.Flush();
blendShapeMeshInstance->IsDirty = false;
}
drawCall.Geometry.VertexBuffers[0] = blendShapeMeshInstance->VertexBuffer.GetBuffer();
}
else
{
drawCall.Geometry.VertexBuffers[0] = _vertexBuffer;
}
drawCall.Geometry.VertexBuffers[0] = _vertexBuffer;
drawCall.Geometry.VertexBuffers[1] = nullptr;
drawCall.Geometry.VertexBuffers[2] = nullptr;
drawCall.Geometry.VertexBuffersOffsets[0] = 0;
drawCall.Geometry.VertexBuffersOffsets[1] = 0;
drawCall.Geometry.VertexBuffersOffsets[2] = 0;
if (info.Deformation)
info.Deformation->RunDeformers(this, MeshBufferType::Vertex0, drawCall.Geometry.VertexBuffers[0]);
drawCall.Draw.StartIndex = 0;
drawCall.Draw.IndicesCount = _triangles * 3;
drawCall.InstanceCount = 1;
@@ -232,26 +221,14 @@ void SkinnedMesh::Draw(const RenderContextBatch& renderContextBatch, const DrawI
// Setup draw call
DrawCall drawCall;
drawCall.Geometry.IndexBuffer = _indexBuffer;
BlendShapesInstance::MeshInstance* blendShapeMeshInstance;
if (info.BlendShapes && info.BlendShapes->Meshes.TryGet(this, blendShapeMeshInstance) && blendShapeMeshInstance->IsUsed)
{
// Use modified vertex buffer from the blend shapes
if (blendShapeMeshInstance->IsDirty)
{
blendShapeMeshInstance->VertexBuffer.Flush();
blendShapeMeshInstance->IsDirty = false;
}
drawCall.Geometry.VertexBuffers[0] = blendShapeMeshInstance->VertexBuffer.GetBuffer();
}
else
{
drawCall.Geometry.VertexBuffers[0] = _vertexBuffer;
}
drawCall.Geometry.VertexBuffers[0] = _vertexBuffer;
drawCall.Geometry.VertexBuffers[1] = nullptr;
drawCall.Geometry.VertexBuffers[2] = nullptr;
drawCall.Geometry.VertexBuffersOffsets[0] = 0;
drawCall.Geometry.VertexBuffersOffsets[1] = 0;
drawCall.Geometry.VertexBuffersOffsets[2] = 0;
if (info.Deformation)
info.Deformation->RunDeformers(this, MeshBufferType::Vertex0, drawCall.Geometry.VertexBuffers[0]);
drawCall.Draw.StartIndex = 0;
drawCall.Draw.IndicesCount = _triangles * 3;
drawCall.InstanceCount = 1;