Mesh _AssembleStandardMesh(ShapeStream shapeStream, Mesh mesh)
{
try
{
if (mesh == null)
mesh = new Mesh();
shapeStream.CheckGuard();
mesh._numFrames = shapeStream.ReadS32();
mesh._numMatFrames = shapeStream.ReadS32();
mesh._parentMesh = shapeStream.ReadS32();
shapeStream.ReadPoint3F(ref mesh._bounds.Min);
shapeStream.ReadPoint3F(ref mesh._bounds.Max);
shapeStream.ReadPoint3F(ref mesh._center);
mesh._radius = shapeStream.ReadF32();
int numVerts = shapeStream.ReadS32();
mesh._verts = mesh._parentMesh < 0 ? shapeStream.ReadPoint3Fs(numVerts) : _shape.Meshes[mesh._parentMesh]._verts;
int numTVerts = shapeStream.ReadS32();
mesh._tverts = mesh._parentMesh < 0 ? shapeStream.ReadPoint2Fs(numTVerts) : _shape.Meshes[mesh._parentMesh]._tverts;
// Version 26 added vertex color and texcoord2.
if (Shape.ReadVersion > 25)
{
int numTVerts2 = shapeStream.ReadS32();
if (numTVerts2 > 0)
{
if (mesh._parentMesh < 0)
mesh._tverts2 = shapeStream.ReadPoint2Fs(numTVerts2);
else
mesh._tverts2 = _shape.Meshes[mesh._parentMesh]._tverts2;
}
int numVColors = shapeStream.ReadS32();
if (numVColors > 0)
{
if (mesh._parentMesh < 0)
mesh._colors = shapeStream.ReadColors(numVColors);
else
mesh._colors = _shape.Meshes[mesh._parentMesh]._colors;
}
}
mesh._norms = mesh._parentMesh < 0 ? shapeStream.ReadPoint3Fs(numVerts) : _shape.Meshes[mesh._parentMesh]._norms;
if (mesh._parentMesh < 0)
shapeStream.ReadU8s(numVerts); // Read past encoded normals
int szPrim;
ushort[] prim16;
int[] prim32;
int szInd;
short[] ind16;
// Version 26 has 32-bit indices.
// We don't, so read them into our 16-bit buffers.
if (Shape.ReadVersion > 25)
{
szPrim = shapeStream.ReadS32();
int[] primIn = shapeStream.ReadS32s(szPrim * 3);
szInd = shapeStream.ReadS32();
int[] indIn = shapeStream.ReadS32s(szInd);
//
prim16 = new ushort[szPrim * 2];
prim32 = new int[szPrim];
int j = 0;
for (int i = 0; i < szPrim; i += 3)
{
prim16[j] = (ushort)primIn[i];
prim16[j + 1] = (ushort)primIn[i + 1];
prim32[j] = primIn[i + 2];
j++;
}
// Copy down the array of indices from 32-bit to 16.
ind16 = new short[szInd];
for (int i = 0; i < szInd; i++)
ind16[i] = (short)indIn[i];
}
else
{
// Copy the _primitives and _indices...how we do this depends on what
// form we want them in when copied...first just get the data
szPrim = shapeStream.ReadS32();
prim16 = shapeStream.ReadU16s(szPrim * 2); // start, numElements
prim32 = shapeStream.ReadS32s(szPrim); // matIndex
szInd = shapeStream.ReadS32();
ind16 = shapeStream.ReadS16s(szInd);
}
// count then Copy...
int cpyPrim, cpyInd;
if (_useTriangles)
_ConvertToTris(prim16, prim32, ind16, szPrim, out cpyPrim, out cpyInd, null, null);
else if (_useOneStrip)
_ConvertToSingleStrip(prim16, prim32, ind16, szPrim, out cpyPrim, out cpyInd, null, null);
else
_LeaveAsMultipleStrips(prim16, prim32, ind16, szPrim, out cpyPrim, out cpyInd, null, null);
mesh._primitives = new DrawPrimitive[cpyPrim];
mesh._indices = new short[cpyInd];
// _primitives and _indices counted and allocated above, now Copy them in
int chkPrim;
int chkInd;
if (_useTriangles)
_ConvertToTris(prim16, prim32, ind16, szPrim, out chkPrim, out chkInd, mesh._primitives, mesh._indices);
else if (_useOneStrip)
_ConvertToSingleStrip(prim16, prim32, ind16, szPrim, out chkPrim, out chkInd, mesh._primitives, mesh._indices);
else
_LeaveAsMultipleStrips(prim16, prim32, ind16, szPrim, out chkPrim, out chkInd, mesh._primitives, mesh._indices);
Assert.Fatal(chkPrim == cpyPrim && chkInd == cpyInd, "TSShapeReader._AssembleStandardMesh - DrawPrimitive conversion error.");
// Read in merge _indices...deprecated
int numMerge = shapeStream.ReadS32();
shapeStream.ReadS16s(numMerge);
mesh._vertsPerFrame = shapeStream.ReadS32();
mesh.SetFlags((Mesh.MeshEnum)shapeStream.ReadU32());
shapeStream.CheckGuard();
}
catch
{ }
return mesh;
}
Mesh _AssembleSortedMesh(ShapeStream shapeStream)
{
SortedMesh mesh = new SortedMesh();
bool save1 = _useTriangles;
bool save2 = _useOneStrip;
_useTriangles = false;
_useOneStrip = false;
_AssembleStandardMesh(shapeStream, mesh);
_useTriangles = save1;
_useOneStrip = save2;
int numClusters = shapeStream.ReadS32();
mesh._clusters = new SortedMesh.Cluster[numClusters];
SortedMesh.Cluster[] clusters = mesh._clusters;
for (int i = 0; i < numClusters; i++)
{
clusters[i].StartPrimitive = shapeStream.ReadS32();
clusters[i].EndPrimitive = shapeStream.ReadS32();
shapeStream.ReadPoint3F(ref clusters[i].Normal);
clusters[i].K = shapeStream.ReadF32();
clusters[i].FrontCluster = shapeStream.ReadS32();
clusters[i].BackCluster = shapeStream.ReadS32();
}
// Code before reads in arrays but only uses the first element.
// This is because we no longer support frame based sorted meshes, but
// we need to Read old files.
int sz = shapeStream.ReadS32();
int[] ints = shapeStream.ReadS32s(sz);
mesh._startCluster = sz != 0 ? ints[0] : -1;
sz = shapeStream.ReadS32();
ints = shapeStream.ReadS32s(sz);
mesh._firstVert = sz != 0 ? ints[0] : -1;
sz = shapeStream.ReadS32();
ints = shapeStream.ReadS32s(sz);
mesh._numVerts = sz != 0 ? ints[0] : -1;
sz = shapeStream.ReadS32();
ints = shapeStream.ReadS32s(sz);
mesh._firstTVert = sz != 0 ? ints[0] : -1;
// throw away alwaysWriteDepth bool
shapeStream.ReadS32();
shapeStream.CheckGuard();
return mesh;
}
Mesh _AssembleSkinMesh(ShapeStream shapeStream)
{
SkinMesh mesh = new SkinMesh();
_AssembleStandardMesh(shapeStream, mesh);
int numVerts = shapeStream.ReadS32();
if (mesh._parentMesh < 0)
{
mesh._initialVerts = shapeStream.ReadPoint3Fs(numVerts);
mesh._initialNormals = shapeStream.ReadPoint3Fs(numVerts);
// eat up the encoded normals
if (mesh._parentMesh < 0)
shapeStream.ReadU8s(numVerts);
int sz = shapeStream.ReadS32();
mesh._initialTransforms = new Matrix[sz];
for (int i = 0; i < sz; i++)
{
float[] mat = shapeStream.ReadF32s(16);
mesh._initialTransforms[i].M11 = mat[0];
mesh._initialTransforms[i].M21 = mat[1];
mesh._initialTransforms[i].M31 = mat[2];
mesh._initialTransforms[i].M41 = mat[3];
mesh._initialTransforms[i].M12 = mat[4];
mesh._initialTransforms[i].M22 = mat[5];
mesh._initialTransforms[i].M32 = mat[6];
mesh._initialTransforms[i].M42 = mat[7];
mesh._initialTransforms[i].M13 = mat[8];
mesh._initialTransforms[i].M23 = mat[9];
mesh._initialTransforms[i].M33 = mat[10];
mesh._initialTransforms[i].M43 = mat[11];
mesh._initialTransforms[i].M14 = mat[12];
mesh._initialTransforms[i].M24 = mat[13];
mesh._initialTransforms[i].M34 = mat[14];
mesh._initialTransforms[i].M44 = mat[15];
}
sz = shapeStream.ReadS32();
mesh._vertexIndex = shapeStream.ReadS32s(sz);
mesh._boneIndex = shapeStream.ReadU32s(sz);
mesh._weight = shapeStream.ReadF32s(sz);
sz = shapeStream.ReadS32();
mesh._nodeIndex = shapeStream.ReadS32s(sz);
}
else
{
SkinMesh otherSkin = _shape.Meshes[mesh._parentMesh] as SkinMesh;
if (otherSkin == null)
{
Assert.Fatal(false, "TSShapeReader._AssembleSkinMesh - Parent of skin mesh not a skin mesh.");
return null;
}
// consult our parent for our vectors
mesh._initialVerts = otherSkin._initialVerts;
mesh._initialNormals = otherSkin._initialNormals;
// eat up the encoded normals
if (mesh._parentMesh < 0)
shapeStream.ReadU8s(numVerts);
int sz = shapeStream.ReadS32();
mesh._initialTransforms = otherSkin._initialTransforms;
sz = shapeStream.ReadS32();
mesh._vertexIndex = otherSkin._vertexIndex;
mesh._boneIndex = otherSkin._boneIndex;
mesh._weight = otherSkin._weight;
sz = shapeStream.ReadS32();
mesh._nodeIndex = otherSkin._nodeIndex;
}
shapeStream.CheckGuard();
return mesh;
}
void _AssembleShape(ShapeStream shapeStream)
{
int i;
// get counts...
int numNodes = shapeStream.ReadS32();
int numObjects = shapeStream.ReadS32();
int numDecals = shapeStream.ReadS32();
int numSubShapes = shapeStream.ReadS32();
int numIflMaterials = shapeStream.ReadS32();
int numNodeRots = shapeStream.ReadS32();
int numNodeTrans = shapeStream.ReadS32();
int numNodeUniformScales = shapeStream.ReadS32();
int numNodeAlignedScales = shapeStream.ReadS32();
int numNodeArbitraryScales = shapeStream.ReadS32();
int numGroundFrames = shapeStream.ReadS32();
int numObjectStates = shapeStream.ReadS32();
int numDecalStates = shapeStream.ReadS32();
int numTriggers = shapeStream.ReadS32();
int numDetails = shapeStream.ReadS32();
int numMeshes = shapeStream.ReadS32();
int numNames = shapeStream.ReadS32();
_shape.SmallestVisibleSize = shapeStream.ReadF32();
_shape.SmallestVisibleDL = shapeStream.ReadS32();
shapeStream.CheckGuard();
// get bounds...
_shape.Radius = shapeStream.ReadF32();
_shape.TubeRadius = shapeStream.ReadF32();
shapeStream.ReadPoint3F(ref _shape.Center);
shapeStream.ReadPoint3F(ref _shape.Bounds.Min);
shapeStream.ReadPoint3F(ref _shape.Bounds.Max);
shapeStream.CheckGuard();
// allocate some storage
_shape.SubShapeFirstTranslucentObject = new int[numSubShapes];
// Read in nodes
_shape.Nodes = new Node[numNodes];
for (i = 0; i < numNodes; i++)
{
_shape.Nodes[i].NameIndex = shapeStream.ReadS32();
_shape.Nodes[i].ParentIndex = shapeStream.ReadS32();
_shape.Nodes[i].FirstObject = shapeStream.ReadS32();
_shape.Nodes[i].FirstChild = shapeStream.ReadS32();
_shape.Nodes[i].NextSibling = shapeStream.ReadS32();
}
shapeStream.CheckGuard();
// Read in objects
_shape.Objects = new Object[numObjects];
for (i = 0; i < numObjects; i++)
{
_shape.Objects[i].NameIndex = shapeStream.ReadS32();
_shape.Objects[i].MeshCount = shapeStream.ReadS32();
_shape.Objects[i].FirstMesh = shapeStream.ReadS32();
_shape.Objects[i].NodeIndex = shapeStream.ReadS32();
_shape.Objects[i].NextSibling = shapeStream.ReadS32();
shapeStream.ReadS32(); // decals are deprecated
}
shapeStream.CheckGuard();
// should be no decals, but Read them in and ignore if they are there
shapeStream.ReadS32s(numDecals * 5);
shapeStream.CheckGuard();
// ifl materials
_shape.IflMaterials = new IflMaterial[numIflMaterials];
for (i = 0; i < numIflMaterials; i++)
{
_shape.IflMaterials[i].NameIndex = shapeStream.ReadS32();
_shape.IflMaterials[i].MaterialSlot = shapeStream.ReadS32();
_shape.IflMaterials[i].FirstFrame = shapeStream.ReadS32();
_shape.IflMaterials[i].FirstFrameOffTimeIndex = shapeStream.ReadS32();
_shape.IflMaterials[i].FrameCount = shapeStream.ReadS32();
}
shapeStream.CheckGuard();
// subshape first lists...
_shape.SubShapeFirstNode = shapeStream.ReadS32s(numSubShapes);
_shape.SubShapeFirstObject = shapeStream.ReadS32s(numSubShapes);
shapeStream.ReadS32s(numSubShapes); // no decal support
shapeStream.CheckGuard();
// subshape num lists...
_shape.SubShapeNodeCount = shapeStream.ReadS32s(numSubShapes);
_shape.SubShapeObjectCount = shapeStream.ReadS32s(numSubShapes);
shapeStream.ReadS32s(numSubShapes); // no decal support
shapeStream.CheckGuard();
// get default rotations and translations
_shape.DefaultRotations = shapeStream.ReadQuat16s(numNodes);
_shape.DefaultTranslations = shapeStream.ReadPoint3Fs(numNodes);
// get _sequence rotation and translations
_shape.NodeTranslations = shapeStream.ReadPoint3Fs(numNodeTrans);
_shape.NodeRotations = shapeStream.ReadQuat16s(numNodeRots);
shapeStream.CheckGuard();
// more node _sequence data...Scale
_shape.NodeUniformScales = shapeStream.ReadF32s(numNodeUniformScales);
_shape.NodeAlignedScales = shapeStream.ReadPoint3Fs(numNodeAlignedScales);
_shape.NodeArbitraryScaleFactors = shapeStream.ReadPoint3Fs(numNodeArbitraryScales);
_shape.NodeArbitraryScaleRotations = shapeStream.ReadQuat16s(numNodeArbitraryScales);
shapeStream.CheckGuard();
// ground _sequence data
_shape.GroundTranslations = shapeStream.ReadPoint3Fs(numGroundFrames);
_shape.GroundRotations = shapeStream.ReadQuat16s(numGroundFrames);
shapeStream.CheckGuard();
// object states
_shape.ObjectStates = new ObjectState[numObjectStates];
for (i = 0; i < numObjectStates; i++)
{
_shape.ObjectStates[i].Visibility = shapeStream.ReadF32();
_shape.ObjectStates[i].FrameIndex = shapeStream.ReadS32();
_shape.ObjectStates[i].MaterialFrameIndex = shapeStream.ReadS32();
}
shapeStream.CheckGuard();
shapeStream.ReadS32s(numDecalStates); // no decal support
shapeStream.CheckGuard();
// frame triggers
_shape.Triggers = new Trigger[numTriggers];
for (i = 0; i < numTriggers; i++)
{
_shape.Triggers[i].State = shapeStream.ReadS32();
_shape.Triggers[i].Pos = shapeStream.ReadF32();
}
shapeStream.CheckGuard();
// details
_shape.Details = new Detail[numDetails];
for (i = 0; i < numDetails; i++)
{
_shape.Details[i].NameIndex = shapeStream.ReadS32();
_shape.Details[i].SubShapeNumber = shapeStream.ReadS32();
_shape.Details[i].ObjectDetailNumber = shapeStream.ReadS32();
_shape.Details[i].PixelSize = shapeStream.ReadF32();
_shape.Details[i].AverageError = shapeStream.ReadF32();
_shape.Details[i].MaxError = shapeStream.ReadF32();
_shape.Details[i].PolyCount = shapeStream.ReadS32();
if (Shape.ReadVersion >= 26)
{
shapeStream.ReadU32s(6);
}
}
shapeStream.CheckGuard();
// Read in meshes...this is much simpler than in C++ code because
// we never skip a detail level on load
_shape.Meshes = new Mesh[numMeshes];
for (i = 0; i < numMeshes; i++)
{
Mesh.MeshEnum meshType = (Mesh.MeshEnum)shapeStream.ReadS32();
_shape.Meshes[i] = _AssembleMesh(shapeStream, meshType);
}
shapeStream.CheckGuard();
_shape.Names = new String[numNames];
for (i = 0; i < numNames; i++)
{
_shape.Names[i] = shapeStream.ReadCString();
}
shapeStream.CheckGuard();
}
Mesh _AssembleMesh(ShapeStream shapeStream, Mesh.MeshEnum meshType)
{
if (meshType == Mesh.MeshEnum.StandardMeshType)
return _AssembleStandardMesh(shapeStream, null);
else if (meshType == Mesh.MeshEnum.SkinMeshType)
return _AssembleSkinMesh(shapeStream);
else if (meshType == Mesh.MeshEnum.SortedMeshType)
return _AssembleSortedMesh(shapeStream);
return null;
}
/// <summary>
/// Reads a shape from a stream.
/// </summary>
/// <param name="stream">The stream to read from.</param>
/// <returns>The new shape.</returns>
public Shape ReadShape(Stream stream)
{
_shape = new Shape();
BinaryReader bin = new BinaryReader(stream);
int readVersion = bin.ReadInt32();
int exporterVersion = readVersion >> 16;
readVersion &= 0xFF;
if (readVersion > Shape.WriteVersion || readVersion < 24)
{
Assert.Fatal(false, "TSShapeReader.ReadShape - Old shape formats are not supported.");
return null;
}
Shape.ReadVersion = readVersion;
int sizeMemBuffer, startushort, startU8;
sizeMemBuffer = 4 * bin.ReadInt32();
startushort = 4 * bin.ReadInt32();
startU8 = 4 * bin.ReadInt32();
byte[] buffer = bin.ReadBytes(sizeMemBuffer);
ShapeStream shapeStream = new ShapeStream(buffer, 0, startushort, startU8, startushort, startU8 - startushort, sizeMemBuffer - startU8);
// Read sequences
int numSequences = bin.ReadInt32();
_shape.Sequences = new Sequence[numSequences];
for (int i = 0; i < numSequences; i++)
{
_shape.Sequences[i] = new Sequence();
_ReadSequence(bin, ref _shape.Sequences[i], true);
}
// Read material list
_ReadMaterialList(bin);
_AssembleShape(shapeStream);
_shape.Initialize();
return _shape;
}
