public static void LoadVOXFromFile(string path, MVChunk chunk, MVLayer layer)
{
byte[] bytes = File.ReadAllBytes(path);
if (bytes[0] != 'V' ||
bytes[1] != 'O' ||
bytes[2] != 'X' ||
bytes[3] != ' ')
{
Debug.LogError("Invalid VOX file, magic number mismatch");
return;
}
LoadVOXFromData(chunk, layer, bytes);
}
private static int ReadPalette(BinaryReader br, MVChunk chunk, MVLayer layer)
{
int chunkSize = br.ReadInt32();
int childrenSize = br.ReadInt32();
for (int i = 0; i < 256; ++i)
{
layer.ReadPalette(chunk, i, (float)br.ReadByte() / 255.0f, (float)br.ReadByte() / 255.0f, (float)br.ReadByte() / 255.0f, (float)br.ReadByte() / 255.0f);
}
if (childrenSize > 0)
{
br.ReadBytes(childrenSize);
Debug.LogWarning("[VoxLoader] Nested chunk not supported");
}
return(chunkSize + childrenSize + 4 * 3);
}
private static int ReadSizeChunk(BinaryReader br, MVChunk chunk, MVLayer layer)
{
int chunkSize = br.ReadInt32();
int childrenSize = br.ReadInt32();
int sizeX = br.ReadInt32();
int sizeZ = br.ReadInt32();
int sizeY = br.ReadInt32();
layer.ReadSize(chunk, sizeX, sizeY, sizeZ);
if (childrenSize > 0)
{
br.ReadBytes(childrenSize);
Debug.LogWarning("[VoxLoader] Nested chunk not supported");
}
return(chunkSize + childrenSize + 4 * 3);
}
private static int ReadVoxelChunk(BinaryReader br, MVChunk chunk, MVLayer layer)
{
int chunkSize = br.ReadInt32();
int childrenSize = br.ReadInt32();
int numVoxels = br.ReadInt32();
for (int i = 0; i < numVoxels; ++i)
{
int x = (int)br.ReadByte();
int z = (int)br.ReadByte();
int y = (int)br.ReadByte();
layer.ReadVolxel(chunk, x, y, z, br.ReadByte());
}
if (childrenSize > 0)
{
br.ReadBytes(childrenSize);
Debug.LogWarning("[VoxLoader] Nested chunk not supported");
}
return(chunkSize + childrenSize + 4 * 3);
}
private static void LoadVOXFromData(MVChunk chunk, MVLayer layer, byte[] data)
{
if (chunk.Palette == null)
{
layer.InitDefaultPalette(chunk);
}
using (MemoryStream ms = new MemoryStream(data))
{
using (BinaryReader br = new BinaryReader(ms))
{
// "VOX "
br.ReadInt32();
// "VERSION "
layer.ReadVersion(chunk, br.ReadBytes(4));
byte[] chunkId = br.ReadBytes(4);
if (chunkId[0] != 'M' ||
chunkId[1] != 'A' ||
chunkId[2] != 'I' ||
chunkId[3] != 'N')
{
Debug.LogError("[VoxLoader] Invalid MainChunk ID, main chunk expected");
return;
}
int chunkSize = br.ReadInt32();
int childrenSize = br.ReadInt32();
// main chunk should have nothing... skip
br.ReadBytes(chunkSize);
int readSize = 0;
while (readSize < childrenSize)
{
chunkId = br.ReadBytes(4);
if (chunkId[0] == 'S' &&
chunkId[1] == 'I' &&
chunkId[2] == 'Z' &&
chunkId[3] == 'E')
{
readSize += ReadSizeChunk(br, chunk, layer);
}
else if (chunkId[0] == 'X' &&
chunkId[1] == 'Y' &&
chunkId[2] == 'Z' &&
chunkId[3] == 'I')
{
readSize += ReadVoxelChunk(br, chunk, layer);
}
else if (chunkId[0] == 'R' &&
chunkId[1] == 'G' &&
chunkId[2] == 'B' &&
chunkId[3] == 'A')
{
layer.InitPalette(chunk);
readSize += ReadPalette(br, chunk, layer);
}
else
{
Debug.LogError("[VoxLoader] Chunk ID not recognized, got " + System.Text.Encoding.ASCII.GetString(chunkId));
return;
}
}
}
}
}