public StaticMesh(Stream s)
{
s.Align(4);
s.Align(8);
Header = s.ReadStruct <StaticMeshHeader>();
// Read texture names
int textureNameSize = s.ReadInt32();
s.Align(16);
s.ReadByte();
byte[] textureNameData = new byte[textureNameSize];
s.Read(textureNameData, 0, textureNameSize);
MemoryStream textureNameStream = new MemoryStream(textureNameData);
while (textureNameStream.Position < textureNameData.Length)
{
textureNameStream.Align(2);
int position = (int)textureNameStream.Position;
string textureName = textureNameStream.ReadAsciiNullTerminatedString();
byte paddingByte = textureNameStream.ReadUInt8();
TextureNames.Add(textureName, position);
if (paddingByte != 0)
{
throw new Exception();
}
textureNameStream.Align(2);
}
if (Header.Version < 0x2A)
{
Header.NumSubmeshVIDs = (ushort)Header.NumLogicalSubmeshes;
}
if (Header.NumNavpoints > 0)
{
s.Align(16);
for (int i = 0; i < Header.NumNavpoints; i++)
{
StaticMeshNavpoint navpoint = s.ReadStruct <StaticMeshNavpoint>();
Navpoints.Add(navpoint);
}
}
if (Header.NumCSpheres > 0)
{
s.Align(16);
for (int i = 0; i < Header.NumCSpheres; i++)
{
CMeshCSphere cmeshCSphere = s.ReadStruct <CMeshCSphere>();
CSpheres.Add(cmeshCSphere);
}
}
if (Header.NumCCylinders > 0)
{
s.Align(16);
for (int i = 0; i < Header.NumCCylinders; i++)
{
CMeshCCylinder cylinder = s.ReadStruct <CMeshCCylinder>();
CCylinders.Add(cylinder);
}
}
if (Header.NumRigBones > 0)
{
s.Align(16);
for (int i = 0; i < Header.NumRigBones; i++)
{
UInt32 rigBone = s.ReadUInt32();
RigBones.Add(rigBone);
}
}
s.Align(8);
long originalOffset = s.Position;
MeshVersion = s.ReadUInt16();
s.Align(4);
MeshGpuDataCrc = s.ReadUInt32();
MeshCpuDataSize = s.ReadUInt32();
MiscData = new byte[(originalOffset + MeshCpuDataSize) - s.Position];
s.Read(MiscData, 0, MiscData.Length);
if (Header.NumMaterialMaps > 0)
{
s.Align(8);
// Skip pointer tables?
s.Seek(8 * Header.NumMaterialMaps, SeekOrigin.Current);
MaterialMapCrcs = new uint[Header.NumMaterialMaps];
for (int i = 0; i < Header.NumMaterialMaps; i++)
{
MaterialMapCrcs[i] = s.ReadUInt32();
}
}
if (Header.NumMaterials > 0)
{
s.Align(8);
// Skip more pointers
s.Seek(8 * Header.NumMaterials, SeekOrigin.Current);
for (int i = 0; i < Header.NumMaterials; i++)
{
StaticMeshMaterial material = new StaticMeshMaterial();
Materials.Add(material);
long materialStart = s.Position;
material.DataSize = s.ReadUInt32();
s.Align(8);
material.Data = s.ReadStruct <RenderLibMaterialData>();
s.Align(4);
for (int j = 0; j < material.Data.NumTextures; j++)
{
RenderLibMaterialTextureDesc textureDesc = s.ReadStruct <RenderLibMaterialTextureDesc>();
material.TextureDescriptions.Add(textureDesc);
}
s.Align(4);
for (int j = 0; j < material.Data.NumConstants; j++)
{
uint constantNameChecksum = s.ReadUInt32();
material.NameChecksums.Add(constantNameChecksum);
}
s.Align(16);
for (int j = 0; j < material.Data.NumConstants; j++)
{
RenderLibMaterialConstants constant = s.ReadStruct <RenderLibMaterialConstants>();
material.Constants.Add(constant);
}
uint materialSize = (uint)(s.Position - materialStart);
if (materialSize != material.DataSize)
{
throw new Exception(String.Format("materialSize != material.DataSize - {0} != {1}", materialSize, material.DataSize));
}
if (material.Data.NumTextures > 0)
{
for (int j = 0; j < material.Data.NumTextures; j++)
{
RenderLibMaterialTextureDesc textureDesc = material.TextureDescriptions[j];
textureNameStream.Seek(textureDesc.TextureHandle, SeekOrigin.Begin);
string textureName = textureNameStream.ReadAsciiNullTerminatedString();
material.TextureNames.Add(textureName);
}
}
}
}
MaterialMapData = new byte[s.Length - s.Position];
s.Read(MaterialMapData, 0, MaterialMapData.Length);
}
public void Save(Stream s)
{
s.Align(4);
s.Align(8);
Header.NumNavpoints = (short)Navpoints.Count;
Header.NumRigBones = (short)RigBones.Count;
// Header.NumMaterials
// Header.NumMaterialMaps
// Header.NumLODsPerSubmesh
// Header.NumSubmeshVIDs
Header.NumCSpheres = (ushort)CSpheres.Count;
Header.NumCCylinders = (ushort)CCylinders.Count;
// NumLogicalSubmeshes
s.WriteStruct(Header);
using (MemoryStream textureNameStream = new MemoryStream())
{
string[] textureNames = new string[TextureNames.Count];
TextureNames.Keys.CopyTo(textureNames, 0);
foreach (var textureName in textureNames)
{
textureNameStream.Align(2);
TextureNames[textureName] = (int)textureNameStream.Position;
textureNameStream.WriteAsciiNullTerminatedString(textureName);
textureNameStream.WriteUInt8(0); // padding byte?
textureNameStream.Align(2);
}
s.WriteInt32((int)textureNameStream.Length);
s.Align(16);
s.WriteUInt8(0);
textureNameStream.Seek(0, SeekOrigin.Begin);
textureNameStream.CopyTo(s);
}
if (Header.NumNavpoints > 0)
{
s.Align(16);
foreach (StaticMeshNavpoint navpoint in Navpoints)
{
s.WriteStruct(navpoint);
}
}
if (Header.NumCSpheres > 0)
{
s.Align(16);
foreach (CMeshCSphere csphere in CSpheres)
{
s.WriteStruct(csphere);
}
}
if (Header.NumCCylinders > 0)
{
s.Align(16);
foreach (CMeshCCylinder ccylinder in CCylinders)
{
s.WriteStruct(ccylinder);
}
}
if (Header.NumRigBones > 0)
{
s.Align(16);
foreach (uint rigBone in RigBones)
{
s.WriteUInt32(rigBone);
}
}
s.Align(8);
s.WriteUInt16(MeshVersion);
s.Align(4);
s.WriteUInt32(MeshGpuDataCrc);
s.WriteUInt32(MeshCpuDataSize);
s.Write(MiscData, 0, MiscData.Length);
if (Header.NumMaterialMaps > 0)
{
s.Align(8);
// Skip pointer tables?
s.Seek(8 * Header.NumMaterialMaps, SeekOrigin.Current);
for (int i = 0; i < Header.NumMaterialMaps; i++)
{
s.WriteUInt32(MaterialMapCrcs[i]);
}
}
if (Header.NumMaterials > 0)
{
s.Align(8);
// Skip more pointers
s.Seek(8 * Header.NumMaterials, SeekOrigin.Current);
for (int i = 0; i < Header.NumMaterials; i++)
{
StaticMeshMaterial material = Materials[i];
s.WriteUInt32(material.DataSize);
s.Align(8);
s.WriteStruct(material.Data);
for (int j = 0; j < material.Data.NumTextures; j++)
{
string textureName = material.TextureNames[j];
RenderLibMaterialTextureDesc textureDesc = material.TextureDescriptions[j];
int textureNameOffset = TextureNames[textureName];
textureDesc.TextureHandle = textureNameOffset;
s.WriteStruct(textureDesc);
}
for (int j = 0; j < material.Data.NumConstants; j++)
{
uint constantNameChecksum = material.NameChecksums[j];
s.WriteUInt32(constantNameChecksum);
}
s.Align(16);
for (int j = 0; j < material.Data.NumConstants; j++)
{
RenderLibMaterialConstants constant = material.Constants[j];
s.WriteStruct(constant);
}
}
}
s.Write(MaterialMapData, 0, MaterialMapData.Length);
}
