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fix skin indexes

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This commit is contained in:
mafaca 2017-11-25 02:17:31 +03:00
parent b2ecc65885
commit 1f69f476f9
1 changed files with 1192 additions and 1138 deletions
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76
Unity Studio/Unity Classes/Mesh.cs
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@ -1076,8 +1076,7 @@ namespace Unity_Studio
m_BoneIndices.m_BitSize = a_Stream.ReadByte();
a_Stream.Position += 3; //4 byte alignment
//how the hell does this work??
if (m_BoneIndices.m_NumItems > 0 && m_BoneIndices.m_NumItems == m_Weights.m_NumItems && (bool)Properties.Settings.Default["exportDeformers"])
if (m_BoneIndices.m_NumItems > 0 && (bool)Properties.Settings.Default["exportDeformers"])
{
uint[] m_Weights_Unpacked = UnpackBitVector(m_Weights);
int bitmax = 0;
@ -1085,18 +1084,73 @@ namespace Unity_Studio
uint[] m_BoneIndices_Unpacked = UnpackBitVector(m_BoneIndices);
m_Skin = new List<BoneInfluence>[m_BoneIndices.m_NumItems / 4];
m_Skin = new List<BoneInfluence>[m_VertexCount];
for (int s = 0; s < m_Skin.Length; s++)
{
m_Skin[s] = new List<BoneInfluence>();
for (int i = 0; i < 4; i++)
{
m_Skin[s].Add(new BoneInfluence()
{
weight = (float)((double)m_Weights_Unpacked[s * 4 + i] / bitmax),
boneIndex = (int)m_BoneIndices_Unpacked[s * 4 + i]
});
m_Skin[s] = new List<BoneInfluence>(4);
}
int inflCount = m_Weights.m_NumItems;
int vertIndex = 0;
int weightIndex = 0;
int bonesIndex = 0;
for(weightIndex = 0; weightIndex < inflCount; vertIndex++)
{
int inflSum = 0;
int j;
for(j = 0; j < 4; j++)
{
int curWeight = 0;
if(j == 3)
{
curWeight = 31 - inflSum;
}
else
{
curWeight = (int)m_Weights_Unpacked[weightIndex];
weightIndex++;
inflSum += curWeight;
}
double curWeightDouble = (double)curWeight;
float realCurWeight = (float)(curWeightDouble / bitmax);
int boneIndex = (int)m_BoneIndices_Unpacked[bonesIndex];
bonesIndex++;
if (boneIndex < 0)
{
throw new Exception($"Invalid bone index {boneIndex}");
}
BoneInfluence boneInfl = new BoneInfluence()
{
weight = realCurWeight,
boneIndex = boneIndex,
};
m_Skin[vertIndex].Add(boneInfl);
if(inflSum == 31)
{
break;
}
if (inflSum > 31)
{
throw new Exception("Influence sum " + inflSum + " greater than 31");
}
}
for(; j < 4; j++)
{
BoneInfluence boneInfl = new BoneInfluence()
{
weight = 0.0f,
boneIndex = 0,
};
m_Skin[vertIndex].Add(boneInfl);
}
}
bool isFine = vertIndex == m_VertexCount;
if (!isFine)
{
throw new Exception("Vertecies aint equals");
}
}
#endregion