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fix problems in exporting fbx with multiple blendshapes

This commit is contained in:
Ishotihadus 2020-09-16 19:44:11 +09:00
parent 06ce479eb6
commit 32ee8b326f
5 changed files with 60 additions and 14 deletions
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33
AssetStudioFBXNative/api.cpp
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@ -1093,7 +1093,7 @@ AS_API(void) AsFbxMorphAddBlendShapeChannel(AsFbxContext* pContext, AsFbxMorphCo
}
}
AS_API(void) AsFbxMorphAddBlendShapeChannelShape(AsFbxContext* pContext, AsFbxMorphContext* pMorphContext, float weight)
AS_API(void) AsFbxMorphAddBlendShapeChannelShape(AsFbxContext* pContext, AsFbxMorphContext* pMorphContext, float weight, const char* shapeName)
{
if (pContext == nullptr || pContext->pScene == nullptr)
{
@ -1105,7 +1105,7 @@ AS_API(void) AsFbxMorphAddBlendShapeChannelShape(AsFbxContext* pContext, AsFbxMo
return;
}
auto lShape = FbxShape::Create(pContext->pScene, FbxString(weight));
auto lShape = FbxShape::Create(pContext->pScene, shapeName);
pMorphContext->lShape = lShape;
if (pMorphContext->lBlendShapeChannel != nullptr) {
@ -1126,12 +1126,9 @@ AS_API(void) AsFbxMorphCopyBlendShapeControlPoints(AsFbxMorphContext* pMorphCont
pMorphContext->lShape->InitControlPoints(vectorCount);
auto dstControlPoints = pMorphContext->lShape->GetControlPoints();
for (int j = 0; j < vectorCount; j++)
{
auto vertex = srcControlPoints[j];
dstControlPoints[j] = FbxVector4(vertex);
pMorphContext->lShape->SetControlPointAt(FbxVector4(srcControlPoints[j]), j);;
}
}
@ -1142,7 +1139,25 @@ AS_API(void) AsFbxMorphSetBlendShapeVertex(AsFbxMorphContext* pMorphContext, uin
return;
}
auto pControlPoints = pMorphContext->lShape->GetControlPoints();
pControlPoints[index] = FbxVector4(x, y, z, 0);
pMorphContext->lShape->SetControlPointAt(FbxVector4(x, y, z, 0), index);
}
AS_API(void) AsFbxMorphCopyBlendShapeControlPointsNormal(AsFbxMorphContext* pMorphContext)
{
if (pMorphContext == nullptr || pMorphContext->pMesh == nullptr || pMorphContext->lShape == nullptr)
{
return;
}
pMorphContext->lShape->InitNormals(pMorphContext->pMesh);
}
AS_API(void) AsFbxMorphSetBlendShapeVertexNormal(AsFbxMorphContext* pMorphContext, uint32_t index, float x, float y, float z)
{
if (pMorphContext == nullptr || pMorphContext->lShape == nullptr)
{
return;
}
pMorphContext->lShape->SetControlPointNormalAt(FbxVector4(x, y, z, 0), index);
}

6
AssetStudioFBXNative/api.h
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@ -150,8 +150,12 @@ AS_API(void) AsFbxMorphDisposeContext(AsFbxMorphContext** ppMorphContext);
AS_API(void) AsFbxMorphAddBlendShapeChannel(AsFbxContext* pContext, AsFbxMorphContext* pMorphContext, const char* channelName);
AS_API(void) AsFbxMorphAddBlendShapeChannelShape(AsFbxContext* pContext, AsFbxMorphContext* pMorphContext, float weight);
AS_API(void) AsFbxMorphAddBlendShapeChannelShape(AsFbxContext* pContext, AsFbxMorphContext* pMorphContext, float weight, const char* shapeName);
AS_API(void) AsFbxMorphCopyBlendShapeControlPoints(AsFbxMorphContext* pMorphContext);
AS_API(void) AsFbxMorphSetBlendShapeVertex(AsFbxMorphContext* pMorphContext, uint32_t index, float x, float y, float z);
AS_API(void) AsFbxMorphCopyBlendShapeControlPointsNormal(AsFbxMorphContext* pMorphContext);
AS_API(void) AsFbxMorphSetBlendShapeVertexNormal(AsFbxMorphContext* pMorphContext, uint32_t index, float x, float y, float z);

16
AssetStudioFBXWrapper/FbxExporterContext.PInvoke.cs
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@ -298,8 +298,16 @@ namespace AssetStudio.FbxInterop
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphAddBlendShapeChannel(IntPtr pContext, IntPtr pMorphContext, IntPtr strChannelName);
private static void AsFbxMorphAddBlendShapeChannelShape(IntPtr pContext, IntPtr pMorphContext, float weight, string shapeName)
{
using (var shapeNameUtf8 = new Utf8StringHandle(shapeName))
{
AsFbxMorphAddBlendShapeChannelShape(pContext, pMorphContext, weight, shapeNameUtf8.DangerousGetHandle());
}
}
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphAddBlendShapeChannelShape(IntPtr pContext, IntPtr pMorphContext, float weight);
private static extern void AsFbxMorphAddBlendShapeChannelShape(IntPtr pContext, IntPtr pMorphContext, float weight, IntPtr strShapeName);
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphCopyBlendShapeControlPoints(IntPtr pMorphContext);
@ -307,5 +315,11 @@ namespace AssetStudio.FbxInterop
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphSetBlendShapeVertex(IntPtr pMorphContext, uint index, float x, float y, float z);
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphCopyBlendShapeControlPointsNormal(IntPtr pMorphContext);
[DllImport(FbxDll.DllName, CallingConvention = CallingConvention.Winapi)]
private static extern void AsFbxMorphSetBlendShapeVertexNormal(IntPtr pMorphContext, uint index, float x, float y, float z);
}
}

17
AssetStudioFBXWrapper/FbxExporterContext.cs
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@ -611,9 +611,11 @@ namespace AssetStudio.FbxInterop
{
AsFbxMorphAddBlendShapeChannel(_pContext, pMorphContext, channel.Name);
foreach (var keyframe in channel.KeyframeList)
for (var i = 0; i < channel.KeyframeList.Count; i++)
{
AsFbxMorphAddBlendShapeChannelShape(_pContext, pMorphContext, keyframe.Weight);
var keyframe = channel.KeyframeList[i];
AsFbxMorphAddBlendShapeChannelShape(_pContext, pMorphContext, keyframe.Weight, i == 0 ? channel.Name : $"{channel.Name}_{i + 1}");
AsFbxMorphCopyBlendShapeControlPoints(pMorphContext);
@ -622,6 +624,17 @@ namespace AssetStudio.FbxInterop
var v = vertex.Vertex.Vertex;
AsFbxMorphSetBlendShapeVertex(pMorphContext, vertex.Index, v.X, v.Y, v.Z);
}
if (keyframe.hasNormals)
{
AsFbxMorphCopyBlendShapeControlPointsNormal(pMorphContext);
foreach (var vertex in keyframe.VertexList)
{
var v = vertex.Vertex.Normal;
AsFbxMorphSetBlendShapeVertexNormal(pMorphContext, vertex.Index, v.X, v.Y, v.Z);
}
}
}
}
}

2
AssetStudioUtility/ModelConverter.cs
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@ -500,7 +500,7 @@ namespace AssetStudio
crc.Update(bytes, 0, (uint)bytes.Length);
morphChannelNames[crc.GetDigest()] = blendShapeName;
channel.Name = shapeChannel.name;
channel.Name = shapeChannel.name.Split('.').Last();
channel.KeyframeList = new List<ImportedMorphKeyframe>(shapeChannel.frameCount);
var frameEnd = shapeChannel.frameIndex + shapeChannel.frameCount;
for (int frameIdx = shapeChannel.frameIndex; frameIdx < frameEnd; frameIdx++)