internal Model(AssetLoader loader)
: base(loader)
{
Asset context = loader.Context;
string name = loader.Name;
BinaryReader reader = loader.Reader;
FolderAsset textureArchive = null;
FolderAsset bonesFolder = new FolderAsset(this, "Bones");
FolderAsset materialsFolder = new FolderAsset(this, "Materials");
FolderAsset meshesFolder = new FolderAsset(this, "Meshes");
FolderAsset vertexDeclarationsFolder = new FolderAsset(this, "Vertex declarations");
ArrayBackedList<byte> bufferData = new ArrayBackedList<byte>();
if (context != null && context.Parent is FolderAsset) {
// @"/map/m##_##_##_##/m*.flver.dcx" for DS1; textures are in the @"/map/m##/" folder.
if (name.StartsWith(@"map/m")) {
string folderName = name.Substring(4, 3);
FolderAsset maps = (FolderAsset)context.Parent.Parent;
foreach (FolderAsset child in maps.Children) {
if (child.Name == folderName) {
textureArchive = child;
break;
}
}
} else
textureArchive = (FolderAsset)context.Parent;
}
#if Marking
MarkingStream markingStream = loader.StartMarking(out reader);
#endif
loader.ExpectMagic(Magic);
char endian = (char)reader.ReadByte();
switch (endian) {
case 'L':
ByteOrder = ByteOrder.LittleEndian;
break;
case 'B':
reader = loader.MakeBigEndian();
ByteOrder = ByteOrder.BigEndian;
break;
default:
throw new Exception();
}
using (reader) {
// Read header.
loader.Expect((byte)0);
Version = (ModelVersion)reader.ReadInt32();
if (Version != ModelVersion.DarkSouls && Version != ModelVersion.DarkSouls2)
loader.AddError(loader.Position - 4, "Unknown model version " + VersionString + "; will try to load it anyway.");
int dataOffset = reader.ReadInt32();
int dataSize = reader.ReadInt32();
if (((dataOffset + dataSize + 31) & ~31) != reader.BaseStream.Length)
loader.AddError(loader.Position - 4, "Data size and offset aren't correct.");
int boneUnknownCount = reader.ReadInt32();
int materialCount = reader.ReadInt32();
int boneCount = reader.ReadInt32();
int meshCount = reader.ReadInt32();
int meshCount2 = reader.ReadInt32();
if (meshCount != meshCount2)
loader.AddError(loader.Position - 4, "Mesh count 1 and 2 aren't the same.");
Bounds = new Box3f(reader.ReadVector3f(), reader.ReadVector3f());
Unknowns.ReadInt32s(reader, 1); // Possible the non-degenerate triangle count. Seems related.
int triangleCount = reader.ReadInt32();
loader.Expect(IsDS1 ? 272 : 0x10010100);
loader.Expect(IsDS1 ? 0 : 0xFFFF);
int partCount = reader.ReadInt32();
int vertexDeclarationCount = reader.ReadInt32();
int materialParameterCount = reader.ReadInt32();
loader.Expect(IsDS1 ? 0 : 0x1000000);
loader.ExpectZeroes(4, 8);
// Calculate offsets.
long boneUnknownsOffset = HeaderSize;
long materialsOffset = boneUnknownsOffset + boneUnknownCount * ModelBoneUnknown.DataSize;
long bonesOffset = materialsOffset + materialCount * ModelMaterial.DataSize;
long meshesOffset = bonesOffset + boneCount * ModelBone.DataSize;
long detailLevelsOffset = meshesOffset + meshCount * ModelMesh.DataSize;
long meshVerticesOffset = detailLevelsOffset + partCount * ModelDetailLevel.DataSize;
long vertexDeclarationsOffset = meshVerticesOffset + meshCount * ModelMesh.DataSizeVertexHeader;
long materialParametersOffset = vertexDeclarationsOffset + vertexDeclarationCount * ModelVertexDeclaration.DataSize;
long postHeaderOffset = materialParametersOffset + materialParameterCount * ModelMaterialParameter.DataSize;
// BoneUnknowns
ExpectedOffset(loader, boneUnknownsOffset, typeof(ModelBoneUnknown).Name);
for (int index = 0; index < boneUnknownCount; index++)
boneUnknowns.Add(new ModelBoneUnknown(bonesFolder, index, loader));
// Materials
ExpectedOffset(loader, materialsOffset, typeof(ModelMaterial).Name);
for (int index = 0; index < materialCount; index++)
materials.Add(new ModelMaterial(materialsFolder, index, loader));
int expectedMaterialParameterCount = materialCount > 0 ? materials[materialCount - 1].ParameterEndIndex : 0;
if (expectedMaterialParameterCount != materialParameterCount)
loader.AddError(null, "Expected material parameter count {0} doesn't match actual count {1}.", expectedMaterialParameterCount, materialParameterCount);
// Bones
ExpectedOffset(loader, bonesOffset, typeof(ModelBone).Name);
for (int index = 0; index < boneCount; index++)
bones.Add(new ModelBone(bonesFolder, index, loader));
// Meshes
ExpectedOffset(loader, meshesOffset, typeof(ModelMesh).Name);
for (int index = 0; index < meshCount; index++)
meshes.Add(new ModelMesh(meshesFolder, index, loader));
int expectedPartCount = meshCount > 0 ? meshes[meshCount - 1].PartEndIndex : 0;
if (expectedPartCount != partCount)
throw new InvalidDataException("Expected part count doesn't match actual count.");
// Detail levels
ExpectedOffset(loader, detailLevelsOffset, typeof(ModelDetailLevel).Name);
foreach (ModelMesh mesh in meshes) {
mesh.ReadDetailLevels(loader, dataOffset, bufferData);
detailLevels.AddRange(mesh.DetailLevels);
}
// Mesh vertices
ExpectedOffset(loader, meshVerticesOffset, typeof(ModelMesh).Name + " vertex header");
foreach (ModelMesh mesh in meshes)
mesh.ReadVertexHeaders(reader, dataOffset, bufferData);
// Vertex declarations
ExpectedOffset(loader, vertexDeclarationsOffset, typeof(ModelVertexDeclaration).Name);
for (int index = 0; index < vertexDeclarationCount; index++)
vertexDeclarations.Add(new ModelVertexDeclaration(vertexDeclarationsFolder, index, loader));
// Material parameters
ExpectedOffset(loader, materialParametersOffset, typeof(ModelMaterialParameter).Name);
foreach (ModelMaterial material in materials) {
material.ReadParameters(loader, textureArchive);
materialParameters.AddRange(material.Parameters);
}
ExpectedOffset(loader, postHeaderOffset, "Post-header");
#if Marking
if (markingStream != null) {
markingStream.Report(loader);
}
#endif // Marking
#if SkippedChecks
/*int vertexDataSize = 0, indexCount = 0, indexSize = 0, vertexCount = 0, expectedTriangleCount = 0, nondegenerateTriangleCount = 0;
foreach (var mesh in Meshes) {
vertexDataSize += mesh.VertexCount * mesh.VertexSize;
vertexCount += mesh.VertexCount;
foreach (var part in mesh.Parts) {
indexCount += part.Indices.Length;
indexSize += part.Indices.Length * 2;
expectedTriangleCount += part.Indices.Length - 2;
for (int index = 0; index < part.Indices.Length - 2; index++) {
if (part.Indices[index] != part.Indices[index + 1] && part.Indices[index + 1] != part.Indices[index + 2] && part.Indices[index] != part.Indices[index + 2])
nondegenerateTriangleCount++;
}
}
}
if (Math.Abs(expectedTriangleCount - triangleCount) > partCount)
throw new InvalidDataException("Expected triangle count doesn't match the read value.");*/
#endif
}
Buffer = new GraphicsBuffer(bufferData.Count == 0 ? 1 : bufferData.Count);
Buffer.Write(0, bufferData.Array, 0, bufferData.Count);
}
