internal void Parse(MDL0Node model)
{
Influence inf;
ModelLinker linker = model._linker;
int typeIndex = (int)_type;
fixed(ResourceGroup **gList = &linker.Defs)
if (gList[typeIndex] != null)
ExtractGroup(gList[typeIndex], ModelLinker.TypeBank[typeIndex]);
else
return; //Nothing to read
//Special handling for bones and objects
if (_type == MDLResourceType.Bones)
{
//Bones have been parsed from raw data as a flat list.
//Bones re-assign parents in their Initialize block, so parents are true.
//Parents must be assigned now as bones will be moved in memory when assigned as children.
//Cache flat list
linker.BoneCache = _children.Select(x => x as MDL0BoneNode).ToArray();
//Reset children so we can rebuild
_children.Clear();
//Assign children using each bones' parent offset in case NodeTree is corrupted.
//Bone parents are assigned when they are initialized in a flat array.
foreach (MDL0BoneNode b in linker.BoneCache)
{
MDL0Bone *header = b.Header;
//Assign true parent using parent header offset
int offset = header->_parentOffset;
if (offset != 0)
{
//Get address of parent header
MDL0Bone *pHeader = (MDL0Bone *)((byte *)header + offset);
//Search bone list for matching header
foreach (MDL0BoneNode b2 in linker.BoneCache)
{
if (pHeader == b2.Header)
{
b._parent = b2;
break;
}
}
}
if (b._boneFlags.HasFlag(BoneFlags.HasBillboardParent))
{
b._bbRefNode = model._linker.BoneCache[header->_bbIndex] as MDL0BoneNode;
}
}
//Make sure the node cache is the correct size
int highest = 0;
//Add bones to their parent's child lists and find highest node id
foreach (MDL0BoneNode b in linker.BoneCache)
{
b._parent._children.Add(b);
if (b._nodeIndex >= linker.NodeCache.Length && b._nodeIndex > highest)
{
highest = b._nodeIndex;
}
}
if (highest >= linker.NodeCache.Length)
{
linker.NodeCache = new IMatrixNode[highest + 1];
}
//Populate node cache
MDL0BoneNode bone = null;
int index;
int count = linker.BoneCache.Length;
for (int i = 0; i < count; i++)
{
linker.NodeCache[(bone = linker.BoneCache[i] as MDL0BoneNode)._nodeIndex] = bone;
}
int nullCount = 0;
bool nodeTreeError = false;
//Now that bones and primary influences have been cached, we can create weighted influences.
foreach (ResourcePair p in *linker.Defs)
{
if (p.Name == "NodeTree")
{
//Double check bone tree using the NodeTree definition.
//If the NodeTree is corrupt, the user will be informed that it needs to be rebuilt.
byte *pData = (byte *)p.Data;
bool fixCS0159 = false;
List <MDL0BoneNode> bones = linker.BoneCache.ToList();
STop:
if (*pData == 2)
{
bone = linker.BoneCache[*(bushort *)(pData + 1)] as MDL0BoneNode;
index = *(bushort *)(pData + 3); //Parent bone node index
if (bone.Header->_parentOffset == 0)
{
if (!_children.Contains(bone))
{
nodeTreeError = true;
continue;
}
else
{
bones.Remove(bone);
}
}
else
{
MDL0BoneNode parent = linker.NodeCache[index] as MDL0BoneNode;
if (parent == null || bone._parent != parent || !parent._children.Contains(bone))
{
nodeTreeError = true;
continue;
}
else
{
bones.Remove(bone);
}
}
pData += 5;
fixCS0159 = true;
}
if (fixCS0159)
{
fixCS0159 = false;
goto STop;
}
if (bones.Count > 0)
{
nodeTreeError = true;
}
}
else if (p.Name == "NodeMix")
{
//Use node mix to create weight groups
byte *pData = (byte *)p.Data;
bool fixCS0159 = false;
TTop:
switch (*pData)
{
//Type 3 is for weighted influences
case 3:
//Get index/count fields
index = *(bushort *)(pData + 1);
count = pData[3];
//Get data pointer (offset of 4)
MDL0NodeType3Entry *nEntry = (MDL0NodeType3Entry *)(pData + 4);
//Create influence with specified count
inf = new Influence();
//Iterate through weights, adding each to the influence
//Here, we are referring back to the NodeCache to grab the bone.
//Note that the weights do not reference other influences, only bones. There is a good reason for this.
MDL0BoneNode b = null;
List <int> nullIndices = new List <int>();
for (int i = 0; i < count; i++, nEntry++)
{
if (nEntry->_id < linker.NodeCache.Length && (b = (linker.NodeCache[nEntry->_id] as MDL0BoneNode)) != null)
{
inf.AddWeight(new BoneWeight(b, nEntry->_value));
}
else
{
nullIndices.Add(i);
}
}
bool noWeights = false;
if ((nullCount = nullIndices.Count) > 0)
{
List <BoneWeight> newWeights = new List <BoneWeight>();
for (int i = 0; i < inf.Weights.Count; i++)
{
if (!nullIndices.Contains(i))
{
newWeights.Add(inf.Weights[i]);
}
}
if (newWeights.Count == 0)
{
noWeights = true;
}
else
{
inf.SetWeights(newWeights);
}
}
//Add influence to model object, while adding it to the cache.
//Don't add user references here, they will be added during each object's initialization
if (!noWeights)
{
((Influence)(linker.NodeCache[index] = model._influences.FindOrCreate(inf)))._index = index;
}
//Move data pointer to next entry
pData = (byte *)nEntry;
fixCS0159 = true;
break;
//Type 5 is for primary influences
case 5:
pData += 5;
fixCS0159 = true;
break;
}
if (fixCS0159)
{
fixCS0159 = false;
goto TTop;
}
}
}
if (nullCount > 0)
{
model._errors.Add("There were " + nullCount + " null weights in NodeMix.");
}
if (nodeTreeError)
{
model._errors.Add("The NodeTree definition did not match the bone tree.");
}
}
else if (_type == MDLResourceType.Objects)
{
//Attach materials to polygons.
//This assumes that materials have already been parsed.
List <ResourceNode> matList = ((MDL0Node)_parent)._matList;
MDL0ObjectNode obj;
MDL0MaterialNode mat;
//Find DrawOpa or DrawXlu entry in Definition list
foreach (ResourcePair p in *linker.Defs)
{
if ((p.Name == "DrawOpa") || (p.Name == "DrawXlu"))
{
bool isXLU = p.Name == "DrawXlu";
ushort objectIndex = 0;
byte * pData = (byte *)p.Data;
while (*pData++ == 4)
{
//Get object with index
objectIndex = *(bushort *)(pData + 2);
if (objectIndex >= _children.Count || objectIndex < 0)
{
model._errors.Add("Object index was greater than the actual object count.");
objectIndex = 0;
}
obj = _children[objectIndex] as MDL0ObjectNode;
//Get material with index
mat = matList[*(bushort *)pData] as MDL0MaterialNode;
//Get bone with index
int boneIndex = *(bushort *)(pData + 4);
MDL0BoneNode visBone = null;
if (linker.BoneCache != null && boneIndex >= 0 && boneIndex < linker.BoneCache.Length)
{
visBone = linker.BoneCache[boneIndex] as MDL0BoneNode;
}
obj._drawCalls.Add(new DrawCall(obj)
{
_drawOrder = pData[6],
_isXLU = isXLU,
MaterialNode = mat,
VisibilityBoneNode = visBone,
});
//Increment pointer
pData += 7;
}
}
}
foreach (MDL0ObjectNode m in _children)
{
int max = 0;
foreach (DrawCall c in m._drawCalls)
{
max = Maths.Max(max, c.MaterialNode.Children.Count);
if (c.MaterialNode.MetalMaterial != null)
{
max = Maths.Max(max, c.MaterialNode.MetalMaterial.Children.Count);
}
}
bool hasUnused = false;
if (m._manager != null)
{
for (int i = max; i < 8; i++)
{
if (m._manager.HasTextureMatrix[i])
{
m._manager.HasTextureMatrix[i] = false;
m._forceRebuild = true;
hasUnused = true;
}
}
}
if (hasUnused)
{
((MDL0Node)Parent)._errors.Add("Object " + m.Index + " has unused texture matrices.");
}
//This error doesn't seem to always be true for factory models...
//if (m.HasTexMtx && m.HasNonFloatVertices)
//{
// ((MDL0Node)Parent)._errors.Add("Object " + m.Index + " has texture matrices and non-float vertices, meaning it will explode in-game.");
// m.SignalPropertyChange();
//}
}
}
}
private static PrimitiveManager DecodePrimitivesWeighted(
Matrix bindMatrix,
GeometryEntry geo,
SkinEntry skin,
SceneEntry scene,
InfluenceManager infManager,
Type boneType)
{
PrimitiveManager manager = DecodePrimitives(geo);
IBoneNode[] boneList;
IBoneNode bone = null;
int boneCount;
string[] jointStringArray = null;
string jointString = 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;
if (manager._faceData[1] != null)
{
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)
{
jointStringArray = src._arrayData as string[];
jointString = src._arrayDataString;
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 = jointStringArray.Length;
boneList = new IBoneNode[boneCount];
for (int i = 0; i < boneCount; i++)
{
NodeEntry entry = scene.FindNode(jointStringArray[i]);
if (entry?._node != null)
{
boneList[i] = entry._node as IBoneNode;
}
else
{
//Search in reverse!
foreach (NodeEntry node in scene._nodes)
{
if ((entry = RecursiveTestNode(jointString, node)) != null)
{
if (entry._node != null)
{
boneList[i] = entry._node as IBoneNode;
}
break;
}
}
//Couldn't find the bone
if (boneList[i] == null)
{
boneList[i] = Activator.CreateInstance(boneType) as IBoneNode;
}
}
}
//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();
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.AddWeight(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.";
Vector3 worldPos = bindMatrix * skin._bindMatrix * pVert[i];
Vertex3 v;
if (inf.Weights.Count > 1)
{
//Match with manager
inf = infManager.FindOrCreate(inf);
v = new Vertex3(worldPos, inf); //World position
}
else
{
bone = inf.Weights[0].Bone;
v = new Vertex3(bone.InverseBindMatrix * worldPos, 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];
if (pNorms != null)
{
Vertex3 v = null;
if (*pVInd < vertList.Count)
{
v = vertList[*pVInd];
}
if (v?.MatrixNode != null)
{
if (v.MatrixNode.Weights.Count > 1)
{
pNorms[i] =
(bindMatrix *
skin._bindMatrix).GetRotationMatrix() *
pNorms[i];
}
else
{
pNorms[i] =
(v.MatrixNode.Weights[0].Bone.InverseBindMatrix *
bindMatrix *
skin._bindMatrix).GetRotationMatrix() *
pNorms[i];
}
}
}
}
remap.Dispose();
return(manager);
}
