internal Autodesk3ds(AssetLoader loader, Autodesk3dsFormat format)
: base(format.Manager, "3DS Model - " + loader.Name)
{
var reader = loader.Reader;
AssetFormat = format;
Chunk chunk, subchunk;
if (!Chunk.ReadRequired(loader, ChunkId.Main, out chunk))
return;
while (chunk.ReadSubchunk(out subchunk)) {
switch (subchunk.Id) {
case ChunkId.ModelVersion:
int modelVersion = subchunk.ReadContentInt(0);
if (modelVersion > MaxModelVersion || modelVersion < MinModelVersion)
loader.AddError(chunk.Offset, "3DS model version {0} is out of range ({1} to {2} supported).", modelVersion, MinModelVersion, MaxModelVersion);
break;
case ChunkId.Editor:
ReadEditor(subchunk);
break;
default:
chunk.ReportUnknownSubchunkError(subchunk);
break;
}
subchunk.RequireAtEnd();
}
}
void ExpectedOffset(AssetLoader loader, long offset, string section)
{
if (loader.Position != offset)
{
loader.AddError(loader.Position, "Expected to be at offset " + offset + " for section " + section + ".");
loader.Position = offset;
}
}
/// <summary>Load the block.</summary>
/// <param name="loader"></param>
public ScriptBlock(AssetLoader loader)
{
HeaderOffset = loader.Position;
Type = (ScriptBlockType)loader.Reader.ReadUInt16();
if (Type == ScriptBlockType.End)
{
TotalSize = 2;
}
else
{
TotalSize = loader.Reader.ReadUInt16();
if (TotalSize < 4)
{
loader.AddError(HeaderOffset, "Invalid block size in script resource; terminating reading.");
TotalSize = 2;
Type = ScriptBlockType.End;
}
}
}
internal ParameterTable(AssetLoader loader)
: base(loader)
{
var reader = loader.Reader;
int stringsOffset = reader.ReadInt32();
int firstRowDataOffset = reader.ReadUInt16();
Unknowns.ReadInt16s(reader, 2);
int rowCount = reader.ReadUInt16();
Name = reader.ReadStringz(0x20, Encoding.ASCII);
Unknowns.ReadInt32s(reader, 1);
// Read in the row headers.
RowInfo[] rows = new RowInfo[rowCount];
for (int index = 0; index < rowCount; index++)
{
rows[index].Read(reader);
}
// Read in the rows.
for (int index = 0; index < rowCount; index++)
{
loader.Position = rows[index].DataOffset;
int next = index < rows.Length - 1 ? rows[index + 1].DataOffset : stringsOffset;
ParameterTableRow item = ParameterTableRow.ReadRow(this, index, loader, next);
item.Id = rows[index].Id;
if (loader.Position != next)
{
loader.AddError(rows[index].DataOffset, "Row {0} of the table did not read the correct amount; position should be {1}, but is {2}.", index, next, loader.Position);
}
}
// Read in the row names.
for (int index = 0; index < rowCount; index++)
{
loader.Position = rows[index].NameOffset;
((ParameterTableRow)Children[index]).Name = reader.ReadStringz(EncodingShiftJis).Trim(); //((index < rows.Length - 1 ? rows[index + 1].NameOffset : loader.ShortLength) - rows[index].NameOffset - 1, EncodingShiftJis));
}
}
/// <summary>Read a content integer based on the length.</summary>
/// <param name="defaultValue"></param>
/// <returns></returns>
public int ReadContentInt(int defaultValue)
{
switch (DataLength)
{
case 1: return(Reader.ReadByte());
case 2: return(Reader.ReadUInt16());
case 4: return(Reader.ReadInt32());
default:
Loader.AddError(Offset, "Expected chunk {0} to contain an integer; but its data length is {1}.", IdString, DataLength);
return(defaultValue);
}
}
internal Autodesk3ds(AssetLoader loader, Autodesk3dsFormat format)
: base(format.Manager, "3DS Model - " + loader.Name)
{
var reader = loader.Reader;
AssetFormat = format;
Chunk chunk, subchunk;
if (!Chunk.ReadRequired(loader, ChunkId.Main, out chunk))
{
return;
}
while (chunk.ReadSubchunk(out subchunk))
{
switch (subchunk.Id)
{
case ChunkId.ModelVersion:
int modelVersion = subchunk.ReadContentInt(0);
if (modelVersion > MaxModelVersion || modelVersion < MinModelVersion)
{
loader.AddError(chunk.Offset, "3DS model version {0} is out of range ({1} to {2} supported).", modelVersion, MinModelVersion, MaxModelVersion);
}
break;
case ChunkId.Editor:
ReadEditor(subchunk);
break;
default:
chunk.ReportUnknownSubchunkError(subchunk);
break;
}
subchunk.RequireAtEnd();
}
}
internal Part(Table table, int index, AssetLoader loader, int next)
: base(table, index)
{
BinaryReader reader = loader.Reader;
long start = reader.BaseStream.Position;
loader.Expect(HeaderLength);
Type = (ModelType)reader.ReadInt32();
Unknowns.ReadInt32s(reader, 1);
Index = reader.ReadInt32();
int pathOffset = reader.ReadInt32();
Position = reader.ReadVector3f();
Rotation = Angle3.Degrees(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
Scale = reader.ReadVector3f();
Unknowns.ReadInt32s(reader, 8);
int offset1 = reader.ReadInt32();
int offset2 = reader.ReadInt32();
if (offset1 + 0x18 != offset2)
{
loader.AddError(start, "Offset2 is not correct.");
}
loader.ExpectZeroes(4, 1);
Name = reader.ReadStringz(EncodingShiftJis);
Path = reader.ReadStringz(EncodingShiftJis);
loader.Position = start + offset1;
Unknowns.ReadInt32s(reader, 6, "Offset1s");
if (loader.Position > next || (next - loader.Position) / 4 > 64)
{
}
Unknowns.ReadInt32s(reader, (int)(next - loader.Position) / 4, "Offset2s");
}
internal Event(Table table, int index, AssetLoader loader, int next)
: base(table, index)
{
BinaryReader reader = loader.Reader;
long start = loader.Position;
loader.Expect(HeaderLength);
Unknowns.ReadInt32s(reader, 1);
Type = reader.ReadInt32();
Index = reader.ReadInt32();
int offseta = reader.ReadInt32();
int offsetb = reader.ReadInt32();
if (offsetb != offseta + 0x10)
{
loader.AddError(start, "{0} index {1} does not have a normal offset A/B", GetType().Name, index);
}
loader.ExpectZeroes(4, 1);
Name = reader.ReadStringz(EncodingShiftJis);
loader.Position = start + offseta;
Unknowns.ReadInt32s(reader, 4);
Unknowns.ReadInt32s(reader, (next - (int)loader.Position) / 4);
}
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);
}
