// Read in an MCNK chunk at supplied offset.
private MCNK parseMapChunk(FileStream ms, uint offset, uint size)
{
BinaryReader bin = new BinaryReader(ms);
ms.Position = offset;
BlizChunkHeader tempHeader = new BlizChunkHeader(bin.ReadChars(4), bin.ReadUInt32());
tempHeader.Flip();
if (!tempHeader.Is("MCNK"))
{
throw new Exception("This was supposed to be an MCNK chunk. Wtf?");
}
long lastpos = ms.Position + tempHeader.Size;
MCNK mapChunk = new MCNK();
mapChunk.flags = bin.ReadUInt32();
mapChunk.ix = bin.ReadUInt32();
mapChunk.iy = bin.ReadUInt32();
mapChunk.nLayers = bin.ReadUInt32();
mapChunk.nDoodadRefs = bin.ReadUInt32();
mapChunk.ofsHeight = bin.ReadUInt32();
mapChunk.ofsNormal = bin.ReadUInt32();
mapChunk.ofsLayer = bin.ReadUInt32();
mapChunk.ofsRefs = bin.ReadUInt32();
mapChunk.ofsAlpha = bin.ReadUInt32();
mapChunk.sizeAlpha = bin.ReadUInt32();
mapChunk.ofsShadow = bin.ReadUInt32();
mapChunk.sizeShadow = bin.ReadUInt32();
mapChunk.areaid = bin.ReadUInt32();
mapChunk.nMapObjRefs = bin.ReadUInt32();
mapChunk.holes = bin.ReadUInt32();
mapChunk.s1 = bin.ReadUInt16();
mapChunk.s2 = bin.ReadUInt16();
mapChunk.d1 = bin.ReadUInt32();
mapChunk.d2 = bin.ReadUInt32();
mapChunk.d3 = bin.ReadUInt32();
mapChunk.predTex = bin.ReadUInt32();
mapChunk.nEffectDoodad = bin.ReadUInt32();
mapChunk.ofsSndEmitters = bin.ReadUInt32();
mapChunk.nSndEmitters = bin.ReadUInt32();
mapChunk.ofsLiquid = bin.ReadUInt32();
mapChunk.sizeLiquid = bin.ReadUInt32();
mapChunk.zpos = bin.ReadSingle();
mapChunk.xpos = bin.ReadSingle();
mapChunk.ypos = bin.ReadSingle();
mapChunk.textureId = bin.ReadUInt32();
mapChunk.props = bin.ReadUInt32();
mapChunk.effectId = bin.ReadUInt32();
// Parse this MapChunk's SubChunks!
parseMapChunkSubChunks(ref mapChunk, ms, lastpos);
return(mapChunk);
}
private void parseFile()
{
FileStream ms = adtStream;
if (ms == null)
{
throw new Exception("Stream null!");
}
BinaryReader bin = new BinaryReader(ms);
BlizChunkHeader tempHeader;
long pos = 0;
// Read bytes from the stream until we run out
while (pos < ms.Length)
{
// Advance to the next Chunk
ms.Position = pos;
// Read in Chunk Header Name
tempHeader = new BlizChunkHeader(bin.ReadChars(4), bin.ReadUInt32());
tempHeader.Flip();
// Set pos to the location of the next Chunk
pos = ms.Position + tempHeader.Size;
if (tempHeader.Is("MVER")) // ADT File Version
{
mver = new MVER();
mver.version = bin.ReadUInt32();
continue;
}
if (tempHeader.Is("MHDR")) // ADT File Header
{
mhdr = new MHDR();
mhdr.pad = bin.ReadUInt32();
mhdr.offsInfo = bin.ReadUInt32();
mhdr.offsTex = bin.ReadUInt32();
mhdr.offsModels = bin.ReadUInt32();
mhdr.offsModelsIds = bin.ReadUInt32();
mhdr.offsMapObejcts = bin.ReadUInt32();
mhdr.offsMapObejctsIds = bin.ReadUInt32();
mhdr.offsDoodsDef = bin.ReadUInt32();
mhdr.offsObjectsDef = bin.ReadUInt32();
mhdr.pad1 = bin.ReadUInt32();
mhdr.pad2 = bin.ReadUInt32();
mhdr.pad3 = bin.ReadUInt32();
mhdr.pad4 = bin.ReadUInt32();
mhdr.pad5 = bin.ReadUInt32();
mhdr.pad6 = bin.ReadUInt32();
mhdr.pad7 = bin.ReadUInt32();
continue;
}
if (tempHeader.Is("MCIN")) // Index for MCNK chunks.
{
if (tempHeader.Size != 256 * 16)
{
throw new Exception("MCIN Chunk is short??");
}
mcin_array = new MCIN[256];
// Read in the 256 records
for (int i = 0; i < 256; i++)
{
mcin_array[i].MCNK_offset = bin.ReadUInt32();
mcin_array[i].MCNK_size = bin.ReadUInt32();
mcin_array[i].flags = bin.ReadUInt32();
mcin_array[i].asyncID = bin.ReadUInt32();
}
continue;
}
if (tempHeader.Is("MTEX")) // List of texture filenames used by the terrain in this map tile.
{
// Not needed.
continue;
}
if (tempHeader.Is("MMDX")) // List of filenames for M2 models that appear in this map tile.
{
// Not needed.
continue;
}
if (tempHeader.Is("MMID")) // Lists the relative offsets of string beginnings in the above MMDX chunk.
{
// Not needed.
continue;
}
if (tempHeader.Is("MWMO")) // List of filenames for WMOs (world map objects) that appear in this map tile.
{
byte[] wmoFilesChunk = bin.ReadBytes((int)tempHeader.Size);
wmoFiles = new List <String>();
StringBuilder str = new StringBuilder();
// Convert szString's to a List<String>.
for (int i = 0; i < wmoFilesChunk.Length; i++)
{
if (wmoFilesChunk[i] == '\0')
{
if (str.Length > 1)
{
wmoFiles.Add(str.ToString());
}
str = new StringBuilder();
}
else
{
str.Append((char)wmoFilesChunk[i]);
}
}
continue;
}
if (tempHeader.Is("MWID")) // Lists the relative offsets of string beginnings in the above MWWO chunk.
{
// Not needed.
continue;
}
if (tempHeader.Is("MDDF")) // Placement information for doodads (M2 models).
{
uint num = tempHeader.Size / 32;
doodadLocations = new MDDF[num];
for (int i = 0; i < num; i++)
{
doodadLocations[i].nameId = bin.ReadUInt32();
doodadLocations[i].uniqueId = bin.ReadUInt32();
doodadLocations[i].coord = new Coordinate(bin.ReadSingle(), bin.ReadSingle(), bin.ReadSingle());
}
continue;
}
if (tempHeader.Is("MODF")) // Placement information for WMOs.
{
uint num = tempHeader.Size / 64;
wmoLocations = new MODF[num];
for (int i = 0; i < num; i++)
{
wmoLocations[i].nameId = bin.ReadUInt32();
wmoLocations[i].uniqueId = bin.ReadUInt32();
wmoLocations[i].coord = new Coordinate(bin.ReadSingle(), bin.ReadSingle(), bin.ReadSingle());
wmoLocations[i].orientation = new Vect3D(bin.ReadSingle(), bin.ReadSingle(), bin.ReadSingle());
wmoLocations[i].coord2 = new Coordinate(bin.ReadSingle(), bin.ReadSingle(), bin.ReadSingle());
wmoLocations[i].coord3 = new Coordinate(bin.ReadSingle(), bin.ReadSingle(), bin.ReadSingle());
wmoLocations[i].flags = bin.ReadUInt32();
wmoLocations[i].doodadSet = bin.ReadUInt16();
wmoLocations[i].nameSet = bin.ReadUInt16();
}
continue;
}
if (tempHeader.Is("MCNK")) // || tempHeader.Is("MCVT") || tempHeader.Is("MCNR") || tempHeader.Is("MCLY") || tempHeader.Is("MCRF") || tempHeader.Is("MCSH") || tempHeader.Is("MCAL") || tempHeader.Is("MCLQ") || tempHeader.Is("MCSE"))
{
// Skip these. They are read in afterwards.
continue;
}
// If we're still down here, we got a problem
throw new Exception(String.Format("ADTFile: Woah. Got a header of {0}. Don't know how to deal with this, bailing out.", tempHeader.ToString()));
}
// Read in Map Chunks
mapChunkTable = new MCNK[16][];
for (int i = 0; i < 16; i++)
{
mapChunkTable[i] = new MCNK[16];
for (int j = 0; j < 16; j++)
{
int index = i * 16 + j;
Log.WriteLine(LogType.Terrain, "Parsing MCNK Chunk #{0} [{1}, {2}]", index, i, j);
mapChunkTable[i][j] = parseMapChunk(ms, mcin_array[index].MCNK_offset, mcin_array[index].MCNK_size);
}
}
}
private void parseMapChunkSubChunks(ref MCNK mapChunk, FileStream ms, long lastpos)
{
BinaryReader bin = new BinaryReader(ms);
BlizChunkHeader tempHeader;
long pos = ms.Position;
// Read bytes from the stream until we run out
while (pos < lastpos)
{
// Advance to the next Chunk
ms.Position = pos;
// Read in Chunk Header Name
tempHeader = new BlizChunkHeader(bin.ReadChars(4), bin.ReadUInt32());
tempHeader.Flip();
// Set pos to the location of the next Chunk
pos = ms.Position + tempHeader.Size;
if (tempHeader.Is("MCVT")) // These are the actual height values for the 9x9+8x8 vertices.
{
mapChunk.VerticesOuter = new float[9][];
mapChunk.VerticesInner = new float[8][];
for (int i = 0; i < 9; i++)
{
mapChunk.VerticesOuter[i] = new float[9];
for (int j = 0; j < 9; j++)
{
mapChunk.VerticesOuter[i][j] = bin.ReadSingle();
}
if (i == 8)
{
continue;
}
mapChunk.VerticesInner[i] = new float[8];
for (int j = 0; j < 8; j++)
{
mapChunk.VerticesInner[i][j] = bin.ReadSingle();
}
}
continue;
}
if (tempHeader.Is("MCNR")) // Normal vectors for each vertex.
{
pos = ms.Position + 0x1C0; // sizefix?
// Not needed.
continue;
}
if (tempHeader.Is("MCLY")) // Texture layer definitions for this map chunk.
{
// Not needed.
continue;
}
if (tempHeader.Is("MCRF")) // Unknown. List of integers.
{
// Not needed.
continue;
}
if (tempHeader.Is("MCSH")) // Shadow map for static shadows on the terrain.
{
// Not needed.
continue;
}
if (tempHeader.Is("MCAL")) // Alpha maps for additional texture layers.
{
// Not needed.
continue;
}
if (tempHeader.Is("MCLQ")) // Water levels for this map chunk.
{
mapChunk.Liquid = new MCLQ();
// I dunno. MCLQ header size lies. If MCSE is immidiately following, there's no water.
tempHeader = new BlizChunkHeader(bin.ReadChars(4), 0);
tempHeader.Flip();
if (tempHeader.Is("MCSE"))
{
mapChunk.Liquid.waterLevel = float.NaN;
}
else
{
// After reading water, we stop. I do NOT like this solution, but
// 1) We don't know much about MCLQ chunks.
// 2) The size field lies, saying its always 0. (no idea why)
// 3) I can't kludge this with a size fix, BECAUSE THE LENGTH VARIES?! Its in the area of 0x320, or 0x31F or 0x31E.
// 4) So stopping after this chunk is the best we can do; this is what wowmapview does in any case.
pos = lastpos;
ms.Seek(-4, SeekOrigin.Current); // Go back! Re-read the last 4 bytes as its actually a float not char[4].
mapChunk.Liquid.waterLevel = bin.ReadSingle();
}
continue;
}
if (tempHeader.Is("MCSE")) // Sound emitters.
{
// Not needed.
continue;
}
// If we're still down here, we got a problem
throw new Exception(String.Format("ADTFile: Woah. Got a header of Sub-{0}. Don't know how to deal with this, bailing out.", tempHeader.ToString()));
}
}
