static PrimitiveManager DecodePrimitivesWeighted(NodeEntry n, GeometryEntry geo, SkinEntry skin, SceneEntry scene, InfluenceManager infManager, ref string Error)
{
PrimitiveManager manager = DecodePrimitives(n._matrix, geo);
MDL0BoneNode[] boneList;
MDL0BoneNode bone = null;
int boneCount;
string[] jointStrings = null;
byte* pCmd = stackalloc byte[4];
int cmdCount = skin._weightInputs.Count;
float weight = 0;
float* pWeights = null;
Vector3* pVert = null, pNorms = null;
ushort* pVInd = (ushort*)manager._indices.Address;
List<Vertex3> vertList = new List<Vertex3>(skin._weightCount);
Matrix* pMatrix = null;
UnsafeBuffer remap = new UnsafeBuffer(skin._weightCount * 2);
ushort* pRemap = (ushort*)remap.Address;
pNorms = (Vector3*)manager._faceData[1].Address;
manager._vertices = vertList;
//Find vertex source
foreach (SourceEntry s in geo._sources)
if (s._id == geo._verticesInput._source)
{
pVert = (Vector3*)((UnsafeBuffer)s._arrayData).Address;
break;
}
//Find joint source
foreach (InputEntry inp in skin._jointInputs)
if (inp._semantic == SemanticType.JOINT)
{
foreach (SourceEntry src in skin._sources)
if (src._id == inp._source)
{
jointStrings = src._arrayData as string[];
break;
}
}
else if (inp._semantic == SemanticType.INV_BIND_MATRIX)
{
foreach (SourceEntry src in skin._sources)
if (src._id == inp._source)
{
pMatrix = (Matrix*)((UnsafeBuffer)src._arrayData).Address;
break;
}
}
Error = "There was a problem creating the list of bones for geometry entry " + geo._name;
//Populate bone list
boneCount = jointStrings.Length;
boneList = new MDL0BoneNode[boneCount];
for (int i = 0; i < boneCount; i++)
boneList[i] = scene.FindNode(jointStrings[i])._node as MDL0BoneNode;
//Build command list
foreach (InputEntry inp in skin._weightInputs)
{
switch (inp._semantic)
{
case SemanticType.JOINT:
pCmd[inp._offset] = 1;
break;
case SemanticType.WEIGHT:
pCmd[inp._offset] = 2;
//Get weight source
foreach (SourceEntry src in skin._sources)
if (src._id == inp._source)
{
pWeights = (float*)((UnsafeBuffer)src._arrayData).Address;
break;
}
break;
default:
pCmd[inp._offset] = 0;
break;
}
}
Error = "There was a problem creating vertex influences for geometry entry " + geo._name;
//Build vertex list and remap table
for (int i = 0; i < skin._weightCount; i++)
{
//Create influence
int iCount = skin._weights[i].Length / cmdCount;
Influence inf = new Influence(/*iCount*/);
fixed (int* p = skin._weights[i])
{
int* iPtr = p;
for (int x = 0; x < iCount; x++)
{
for (int z = 0; z < cmdCount; z++, iPtr++)
if (pCmd[z] == 1)
bone = boneList[*iPtr];
else if (pCmd[z] == 2)
weight = pWeights[*iPtr];
inf._weights.Add(new BoneWeight(bone, weight));
}
}
inf.CalcMatrix();
Error = "There was a problem creating a vertex from the geometry entry " + geo._name + ".\nMake sure that all the vertices are weighted properly.";
Vertex3 v;
if (inf._weights.Count > 1)
{
//Match with manager
inf = infManager.FindOrCreate(inf, true);
v = new Vertex3(n._matrix * skin._bindMatrix * pVert[i], inf); //World position
}
else
{
bone = inf._weights[0].Bone;
v = new Vertex3(n._matrix * bone._inverseBindMatrix * skin._bindMatrix * pVert[i], bone); //Local position
}
ushort index = 0;
while (index < vertList.Count)
{
if (v.Equals(vertList[index])) break;
index++;
}
if (index == vertList.Count)
vertList.Add(v);
pRemap[i] = index;
}
Error = "There was a problem fixing normal rotations for geometry entry " + geo._name;
//Remap vertex indices and fix normals
for (int i = 0; i < manager._pointCount; i++, pVInd++)
{
*pVInd = pRemap[*pVInd];
Vertex3 v = null;
if (*pVInd < vertList.Count)
v = vertList[*pVInd];
if (v != null && v._matrixNode != null)
if (v._matrixNode.Weights.Count > 1)
pNorms[i] = skin._bindMatrix.GetRotationMatrix() * pNorms[i];
else
pNorms[i] = skin._bindMatrix.GetRotationMatrix() * v._matrixNode.Weights[0].Bone._inverseBindMatrix.GetRotationMatrix() * pNorms[i];
}
remap.Dispose();
return manager;
}
static PrimitiveManager DecodePrimitivesUnweighted(NodeEntry n, GeometryEntry geo)
{
PrimitiveManager manager = DecodePrimitives(n._matrix, geo);
Vector3* pVert = null;
ushort* pVInd = (ushort*)manager._indices.Address;
int vCount = 0;
List<Vertex3> vertList = new List<Vertex3>(manager._pointCount);
manager._vertices = vertList;
//Find vertex source
foreach (SourceEntry s in geo._sources)
if (s._id == geo._verticesInput._source)
{
UnsafeBuffer b = s._arrayData as UnsafeBuffer;
pVert = (Vector3*)b.Address;
vCount = b.Length / 12;
break;
}
UnsafeBuffer remap = new UnsafeBuffer(vCount * 2);
ushort* pRemap = (ushort*)remap.Address;
//Create remap table
for (int i = 0; i < vCount; i++)
{
//Create Vertex and look for match
Vertex3 v = new Vertex3(n._matrix * pVert[i]);
int index = 0;
while (index < vertList.Count)
{
if (v.Equals(vertList[index]))
break;
index++;
}
if (index == vertList.Count)
vertList.Add(v);
pRemap[i] = (ushort)index;
}
//Remap vertex indices
for (int i = 0; i < manager._pointCount; i++, pVInd++)
*pVInd = pRemap[*pVInd];
remap.Dispose();
return manager;
}