public static LoadError LoadFromStream(Stream stream, out Cnk0 cnk0)
{
if (stream == null)
{
cnk0 = null;
return LoadError.NullStream;
}
BinaryReader binaryReader = new BinaryReader(stream);
//header
char[] magic = binaryReader.ReadChars(4);
if (magic[0] != 'C' ||
magic[1] != 'N' ||
magic[2] != 'K' ||
magic[3] != '0')
{
cnk0 = null;
return LoadError.BadHeader;
}
int version = binaryReader.ReadInt32();
if (version != VERSION)
{
cnk0 = null;
return LoadError.VersionMismatch;
}
uint uncompressedSize = binaryReader.ReadUInt32();
uint compressedSize = binaryReader.ReadUInt32();
byte[] inputBuffer = binaryReader.ReadBytes((int)compressedSize);
binaryReader.Close();
byte[] outputBuffer = new byte[uncompressedSize];
Lzham.ZStream zStream = new Lzham.ZStream();
Lzham.ZInflateInit2(zStream, 20);
zStream.AvailableInputBytes = compressedSize;
zStream.AvailableOutputBytes = uncompressedSize;
GCHandle inputBufferGCHandle = GCHandle.Alloc(inputBuffer, GCHandleType.Pinned);
GCHandle outputBufferGCHandle = GCHandle.Alloc(outputBuffer, GCHandleType.Pinned);
zStream.NextInputByte = inputBufferGCHandle.AddrOfPinnedObject();
zStream.NextOutputByte = outputBufferGCHandle.AddrOfPinnedObject();
Lzham.ZInflate(zStream, (int)Lzham.ZFlush.Finish);
Lzham.ZInflateEnd(zStream);
inputBufferGCHandle.Free();
outputBufferGCHandle.Free();
MemoryStream memoryStream = new MemoryStream(outputBuffer);
binaryReader = new BinaryReader(memoryStream);
cnk0 = new Cnk0();
//tiles
uint tileCount = binaryReader.ReadUInt32();
cnk0.Tiles = new Tile[tileCount];
for (uint i = 0; i < tileCount; ++i)
{
Tile tile;
if (Tile.LoadFromStream(memoryStream, out tile) != Tile.LoadError.None)
{
cnk0 = null;
return LoadError.BadTile;
}
cnk0.Tiles[i] = tile;
}
//unknown block
uint unknown0 = binaryReader.ReadUInt32();
uint unknown1 = binaryReader.ReadUInt32();
binaryReader.BaseStream.Seek(unknown1 * 4, SeekOrigin.Current);
//indices
uint indexCount = binaryReader.ReadUInt32();
cnk0.Indices = new ushort[indexCount];
for (int i = 0; i < indexCount; ++i)
cnk0.Indices[i] = binaryReader.ReadUInt16();
//vertices
uint vertexCount = binaryReader.ReadUInt32();
cnk0.Vertices = new Vertex[vertexCount];
for (int i = 0; i < vertexCount; ++i)
{
Vertex vertex;
if (Vertex.LoadFromStream(binaryReader.BaseStream, out vertex) != Vertex.LoadError.None)
{
cnk0 = null;
return LoadError.BadVertex;
}
cnk0.Vertices[i] = vertex;
}
//render batches
uint renderBatchCount = binaryReader.ReadUInt32();
cnk0.RenderBatches = new RenderBatch[renderBatchCount];
for (uint i = 0; i < renderBatchCount; ++i)
{
RenderBatch renderBatch;
if (RenderBatch.LoadFromStream(binaryReader.BaseStream, out renderBatch) != RenderBatch.LoadError.None)
{
cnk0 = null;
return LoadError.BadRenderBatch;
}
cnk0.RenderBatches[i] = renderBatch;
}
binaryReader.Close();
return LoadError.None;
}
public static LoadError LoadFromStream(Stream stream, out Cnk0 cnk0)
{
if (stream == null)
{
cnk0 = null;
return(LoadError.NullStream);
}
BinaryReader binaryReader = new BinaryReader(stream);
//header
char[] magic = binaryReader.ReadChars(4);
if (magic[0] != 'C' ||
magic[1] != 'N' ||
magic[2] != 'K' ||
magic[3] != '0')
{
cnk0 = null;
return(LoadError.BadHeader);
}
int version = binaryReader.ReadInt32();
if (version != VERSION)
{
cnk0 = null;
return(LoadError.VersionMismatch);
}
uint uncompressedSize = binaryReader.ReadUInt32();
uint compressedSize = binaryReader.ReadUInt32();
byte[] inputBuffer = binaryReader.ReadBytes((int)compressedSize);
binaryReader.Close();
byte[] outputBuffer = new byte[uncompressedSize];
Lzham.ZStream zStream = new Lzham.ZStream();
Lzham.ZInflateInit2(zStream, 20);
zStream.AvailableInputBytes = compressedSize;
zStream.AvailableOutputBytes = uncompressedSize;
GCHandle inputBufferGCHandle = GCHandle.Alloc(inputBuffer, GCHandleType.Pinned);
GCHandle outputBufferGCHandle = GCHandle.Alloc(outputBuffer, GCHandleType.Pinned);
zStream.NextInputByte = inputBufferGCHandle.AddrOfPinnedObject();
zStream.NextOutputByte = outputBufferGCHandle.AddrOfPinnedObject();
Lzham.ZInflate(zStream, (int)Lzham.ZFlush.Finish);
Lzham.ZInflateEnd(zStream);
inputBufferGCHandle.Free();
outputBufferGCHandle.Free();
MemoryStream memoryStream = new MemoryStream(outputBuffer);
binaryReader = new BinaryReader(memoryStream);
cnk0 = new Cnk0();
//tiles
uint tileCount = binaryReader.ReadUInt32();
cnk0.Tiles = new Tile[tileCount];
for (uint i = 0; i < tileCount; ++i)
{
Tile tile;
if (Tile.LoadFromStream(memoryStream, out tile) != Tile.LoadError.None)
{
cnk0 = null;
return(LoadError.BadTile);
}
cnk0.Tiles[i] = tile;
}
//unknown block
uint unknown0 = binaryReader.ReadUInt32();
uint unknown1 = binaryReader.ReadUInt32();
binaryReader.BaseStream.Seek(unknown1 * 4, SeekOrigin.Current);
//indices
uint indexCount = binaryReader.ReadUInt32();
cnk0.Indices = new ushort[indexCount];
for (int i = 0; i < indexCount; ++i)
{
cnk0.Indices[i] = binaryReader.ReadUInt16();
}
//vertices
uint vertexCount = binaryReader.ReadUInt32();
cnk0.Vertices = new Vertex[vertexCount];
for (int i = 0; i < vertexCount; ++i)
{
Vertex vertex;
if (Vertex.LoadFromStream(binaryReader.BaseStream, out vertex) != Vertex.LoadError.None)
{
cnk0 = null;
return(LoadError.BadVertex);
}
cnk0.Vertices[i] = vertex;
}
//render batches
uint renderBatchCount = binaryReader.ReadUInt32();
cnk0.RenderBatches = new RenderBatch[renderBatchCount];
for (uint i = 0; i < renderBatchCount; ++i)
{
RenderBatch renderBatch;
if (RenderBatch.LoadFromStream(binaryReader.BaseStream, out renderBatch) != RenderBatch.LoadError.None)
{
cnk0 = null;
return(LoadError.BadRenderBatch);
}
cnk0.RenderBatches[i] = renderBatch;
}
binaryReader.Close();
return(LoadError.None);
}
