public override Entry Load(byte[][] items, int eid)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
if (items.Length != 2)
{
ErrorManager.SignalError("WavebankEntry: Wrong number of items");
}
if (items[0].Length != 8)
{
ErrorManager.SignalError("WavebankEntry: First item length is wrong");
}
int id = BitConv.FromInt32(items[0], 0);
int length = BitConv.FromInt32(items[0], 4);
if (id < 0 || id > 6)
{
ErrorManager.SignalIgnorableError("WavebankEntry: ID is invalid");
}
if (length != items[1].Length)
{
ErrorManager.SignalIgnorableError("WavebankEntry: Length field mismatch");
}
return(new WavebankEntry(id, SampleSet.Load(items[1]), eid));
}
public override Entry Load(byte[][] items, int eid)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
if (items.Length != 2)
{
ErrorManager.SignalError("OldModelEntry: Wrong number of items");
}
int polygoncount = BitConv.FromInt32(items[0], 0);
if (items[1].Length != polygoncount * 8)
{
ErrorManager.SignalError("OldModelEntry: Polygon count mismatch");
}
OldModelPolygon[] polygons = new OldModelPolygon [polygoncount];
for (int i = 0; i < polygoncount; i++)
{
byte[] polygondata = new byte [8];
Array.Copy(items[1], i * 8, polygondata, 0, polygondata.Length);
polygons[i] = OldModelPolygon.Load(polygondata);
}
return(new OldModelEntry(items[0], polygons, eid));
}
public static SceneryTriangle Load(byte[] adata, byte[] bdata)
{
if (adata == null)
{
throw new ArgumentNullException("adata");
}
if (bdata == null)
{
throw new ArgumentNullException("bdata");
}
if (adata.Length != 4)
{
throw new ArgumentException("Value must be 4 bytes long.", "adata");
}
if (bdata.Length != 2)
{
throw new ArgumentException("Value must be 2 bytes long.", "adata");
}
int avalue = BitConv.FromInt32(adata, 0);
short bvalue = BitConv.FromInt16(bdata, 0);
int vertexa = (avalue >> 8) & 0xFFF;
int vertexb = (avalue >> 20) & 0xFFF;
int vertexc = (bvalue >> 4) & 0xFFF;
byte unknown1 = (byte)avalue;
byte unknown2 = (byte)(bvalue & 0xF);
return(new SceneryTriangle(vertexa, vertexb, vertexc, unknown1, unknown2));
}
public static SceneryVertex Load(byte[] xydata, byte[] zdata)
{
if (xydata == null)
{
throw new ArgumentNullException("xydata");
}
if (zdata == null)
{
throw new ArgumentNullException("zdata");
}
if (xydata.Length != 4)
{
throw new ArgumentException("Value must be 4 bytes long.", "xydata");
}
if (zdata.Length != 2)
{
throw new ArgumentException("Value must be 2 bytes long.", "zdata");
}
int xy = BitConv.FromInt32(xydata, 0);
short z = BitConv.FromInt16(zdata, 0);
short y = (short)(xy >> 16);
short x = (short)xy;
int unknownx = x & 0xF;
int unknowny = y & 0xF;
int unknownz = z & 0xF;
x >>= 4;
y >>= 4;
z >>= 4;
return(new SceneryVertex(x, y, z, unknownx, unknowny, unknownz));
}
public sealed override Chunk Load(int chunkid, byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length != Chunk.Length)
{
throw new ArgumentException("Data must be 65536 bytes long.");
}
int id = BitConv.FromInt32(data, 4);
int entrycount = BitConv.FromInt32(data, 8);
int checksum = BitConv.FromInt32(data, 12);
int headersize = 20 + entrycount * 4;
if (id != chunkid)
{
ErrorManager.SignalIgnorableError("EntryChunk: Chunk id is incorrect");
}
if (entrycount < 0)
{
ErrorManager.SignalError("EntryChunk: Entry count is negative");
}
if (checksum != Chunk.CalculateChecksum(data))
{
ErrorManager.SignalIgnorableError("Chunk: Checksum is wrong");
}
if (headersize > data.Length)
{
ErrorManager.SignalError("EntryChunk: Data is too short");
}
Entry[] entries = new Entry [entrycount];
byte[] entrydata;
for (int i = 0; i < entrycount; i++)
{
int entrystart = BitConv.FromInt32(data, 16 + i * 4);
int entryend = BitConv.FromInt32(data, 20 + i * 4);
if (entrystart < 0)
{
ErrorManager.SignalError("EntryChunk: Entry begins out of bounds");
}
if (entryend < entrystart)
{
ErrorManager.SignalError("EntryChunk: Entry ends before it begins");
}
if (entryend > data.Length)
{
ErrorManager.SignalError("EntryChunk: Entry ends out of bounds");
}
int entrysize = entryend - entrystart;
entrydata = new byte [entrysize];
Array.Copy(data, entrystart, entrydata, 0, entrysize);
entries[i] = Entry.Load(entrydata);
}
return(Load(entries));
}
public static UnprocessedEntry Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length < 16)
{
ErrorManager.SignalError("Entry: Data is too short");
}
int magic = BitConv.FromInt32(data, 0);
int eid = BitConv.FromInt32(data, 4);
int type = BitConv.FromInt32(data, 8);
int itemcount = BitConv.FromInt32(data, 12);
if (magic != Magic)
{
ErrorManager.SignalIgnorableError("Entry: Magic number is wrong");
}
if (itemcount < 0)
{
ErrorManager.SignalError("Entry: Item count is negative");
}
if (data.Length < 20 + itemcount * 4)
{
ErrorManager.SignalError("Entry: Data is too short");
}
byte[][] items = new byte [itemcount][];
byte[] itemdata;
for (int i = 0; i < itemcount; i++)
{
int itemstart = BitConv.FromInt32(data, 16 + i * 4);
int itemend = BitConv.FromInt32(data, 20 + i * 4);
if (itemstart < 0)
{
ErrorManager.SignalError("Entry: Item begins out of bounds");
}
if (itemend < itemstart)
{
ErrorManager.SignalError("Entry: Item ends before it begins");
}
if (itemend > data.Length)
{
ErrorManager.SignalError("Entry: Item ends out of bounds");
}
int itemsize = itemend - itemstart;
itemdata = new byte [itemsize];
Array.Copy(data, itemstart, itemdata, 0, itemsize);
items[i] = itemdata;
}
return(new UnprocessedEntry(items, eid, type));
}
public static int FromInt32(Endianness endianness, byte[] str, int offset)
{
switch (endianness)
{
case Endianness.LittleEndian:
return(BitConv.FromInt32(str, offset));
case Endianness.BigEndian:
return(BEBitConv.FromInt32(str, offset));
default:
throw new ArgumentException("Endianness is invalid.");
}
}
public static NSD Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length < 1312)
{
ErrorManager.SignalError("NSD: Data is too short");
}
int[] unknown1 = new int [256];
for (int i = 0; i < 256; i++)
{
unknown1[i] = BitConv.FromInt32(data, i * 4);
}
int chunkcount = BitConv.FromInt32(data, 1024);
int entrycount = BitConv.FromInt32(data, 1028);
int[] unknown2 = new int [70];
for (int i = 0; i < 70; i++)
{
unknown2[i] = BitConv.FromInt32(data, 1032 + i * 4);
}
if (chunkcount < 0)
{
ErrorManager.SignalError("NSD: Chunk count is negative");
}
if (entrycount < 0)
{
ErrorManager.SignalError("NSD: Entry count is negative");
}
if (data.Length < 1312 + 8 * entrycount)
{
ErrorManager.SignalError("NSD: Data is too short");
}
NSDLink[] index = new NSDLink [entrycount];
for (int i = 0; i < entrycount; i++)
{
int chunkid = BitConv.FromInt32(data, 1312 + 8 * i);
int entryid = BitConv.FromInt32(data, 1316 + 8 * i);
index[i] = new NSDLink(chunkid, entryid);
}
int extralength = data.Length - (1312 + 8 * entrycount);
byte[] extradata = new byte [extralength];
Array.Copy(data, 1312 + 8 * entrycount, extradata, 0, extralength);
return(new NSD(unknown1, chunkcount, unknown2, index, extradata));
}
public static OldFrame Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length < 56)
{
ErrorManager.SignalError("OldFrame: Data is too short");
}
int vertexcount = BitConv.FromInt32(data, 0);
if (vertexcount < 0 || vertexcount > Chunk.Length / 6)
{
ErrorManager.SignalError("OldFrame: Vertex count is invalid");
}
if (data.Length < 56 + vertexcount * 6 + 2)
{
ErrorManager.SignalError("OldFrame: Data is too short");
}
int modeleid = BitConv.FromInt32(data, 4);
int xoffset = BitConv.FromInt32(data, 8);
int yoffset = BitConv.FromInt32(data, 12);
int zoffset = BitConv.FromInt32(data, 16);
int x1 = BitConv.FromInt32(data, 20);
int y1 = BitConv.FromInt32(data, 24);
int z1 = BitConv.FromInt32(data, 28);
int x2 = BitConv.FromInt32(data, 32);
int y2 = BitConv.FromInt32(data, 36);
int z2 = BitConv.FromInt32(data, 40);
int xglobal = BitConv.FromInt32(data, 44);
int yglobal = BitConv.FromInt32(data, 48);
int zglobal = BitConv.FromInt32(data, 52);
OldFrameVertex[] vertices = new OldFrameVertex [vertexcount];
for (int i = 0; i < vertexcount; i++)
{
byte[] vertexdata = new byte [6];
Array.Copy(data, 56 + i * 6, vertexdata, 0, vertexdata.Length);
vertices[i] = OldFrameVertex.Load(vertexdata);
}
short unknown = BitConv.FromInt16(data, 56 + vertexcount * 6);
return(new OldFrame(modeleid, xoffset, yoffset, zoffset, x1, y1, z1, x2, y2, z2, xglobal, yglobal, zglobal, vertices, unknown));
}
public static VHProgram Load(byte[] data, byte[] tonedata, bool isoldversion)
{
if (data.Length != 16)
{
throw new ArgumentException("Value must be 16 bytes long.", "data");
}
if (tonedata.Length != 32 * 16)
{
throw new ArgumentException("Value must be 512 bytes long.", "tonedata");
}
byte tonecount = data[0];
byte volume = data[1];
byte priority = data[2];
byte mode = data[3];
byte panning = data[4];
byte reserved1 = data[5];
short attribute = BitConv.FromInt16(data, 6);
int reserved2 = BitConv.FromInt32(data, 8);
int reserved3 = BitConv.FromInt32(data, 12);
if (tonecount < 0 || tonecount > 16)
{
ErrorManager.SignalError("VHProgram: Tone count is wrong");
}
if (reserved1 != (isoldversion ? 0x00 : 0xFF))
{
ErrorManager.SignalIgnorableError("VHProgram: Reserved value 1 is wrong");
}
if (reserved2 != -1)
{
ErrorManager.SignalIgnorableError("VHProgram: Reserved value 2 is wrong");
}
if (reserved3 != -1)
{
ErrorManager.SignalIgnorableError("VHProgram: Reserved value 3 is wrong");
}
VHTone[] tones = new VHTone [tonecount];
for (int i = 0; i < tonecount; i++)
{
byte[] thistonedata = new byte [32];
Array.Copy(tonedata, i * 32, thistonedata, 0, 32);
tones[i] = VHTone.Load(thistonedata);
}
return(new VHProgram(isoldversion, volume, priority, mode, panning, attribute, tones));
}
public static SceneryQuad Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length != 8)
{
throw new ArgumentException("Value must be 8 bytes long.", "data");
}
int worda = BitConv.FromInt32(data, 0);
int wordb = BitConv.FromInt32(data, 4);
int vertexa = (worda >> 8) & 0xFFF;
int vertexb = (worda >> 20) & 0xFFF;
int vertexd = (wordb >> 8) & 0xFFF;
int vertexc = (wordb >> 20) & 0xFFF;
byte unknown2 = (byte)worda;
byte unknown3 = (byte)wordb;
return(new SceneryQuad(vertexa, vertexb, vertexc, vertexd, unknown2, unknown3));
}
public static OldSceneryPolygon Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (data.Length != 8)
{
throw new ArgumentException("Value must be 8 bytes long.", "data");
}
int worda = BitConv.FromInt32(data, 0);
int wordb = BitConv.FromInt32(data, 4);
int vertexa = (worda >> 20) & 0xFFF;
int vertexb = (wordb >> 8) & 0xFFF;
int vertexc = (wordb >> 20) & 0xFFF;
int unknown1 = (worda >> 8) & 0xFFF;
byte unknown2 = (byte)(worda & 0xFF);
byte unknown3 = (byte)(wordb & 0xFF);
return(new OldSceneryPolygon(vertexa, vertexb, vertexc, unknown1, unknown2, unknown3));
}
public override Entry Load(byte[][] items, int eid)
{
if (items == null)
{
throw new ArgumentNullException("items");
}
if (items.Length != 3)
{
ErrorManager.SignalError("MusicEntry: Wrong number of items");
}
if (items[0].Length != 36)
{
ErrorManager.SignalError("MusicEntry: First item length is wrong");
}
int seqcount = BitConv.FromInt32(items[0], 0);
int vheid = BitConv.FromInt32(items[0], 4);
int vb0eid = BitConv.FromInt32(items[0], 8);
int vb1eid = BitConv.FromInt32(items[0], 12);
int vb2eid = BitConv.FromInt32(items[0], 16);
int vb3eid = BitConv.FromInt32(items[0], 20);
int vb4eid = BitConv.FromInt32(items[0], 24);
int vb5eid = BitConv.FromInt32(items[0], 28);
int vb6eid = BitConv.FromInt32(items[0], 32);
VH vh;
if (items[1].Length != 0)
{
vh = VH.Load(items[1]);
}
else
{
vh = null;
}
SEP sep = SEP.Load(items[2], seqcount);
return(new MusicEntry(vheid, vb0eid, vb1eid, vb2eid, vb3eid, vb4eid, vb5eid, vb6eid, vh, sep, eid));
}
public static VH Load(byte[] data)
{
if (data.Length < 2592)
{
ErrorManager.SignalError("VH: Data is too short");
}
int magic = BitConv.FromInt32(data, 0);
int version = BitConv.FromInt32(data, 4);
if (magic != Magic)
{
ErrorManager.SignalIgnorableError("VH: Magic number is wrong");
}
bool isoldversion;
if (version == Version)
{
isoldversion = false;
}
else if (version == OldVersion)
{
ErrorManager.SignalIgnorableError("VH: VABv6 (crash 1) is not fully supported");
isoldversion = true;
}
else
{
ErrorManager.SignalIgnorableError("VH: Version number is wrong");
isoldversion = true;
}
int id = BitConv.FromInt32(data, 8);
int size = BitConv.FromInt32(data, 12);
short reserved1 = BitConv.FromInt16(data, 16);
short programcount = BitConv.FromInt16(data, 18);
short tonecount = BitConv.FromInt16(data, 20);
short wavecount = BitConv.FromInt16(data, 22);
byte volume = data[24];
byte panning = data[25];
byte attribute1 = data[26];
byte attribute2 = data[27];
int reserved2 = BitConv.FromInt32(data, 28);
if (id != 0)
{
ErrorManager.SignalIgnorableError("VH: ID is wrong");
}
if (size < data.Length)
{
ErrorManager.SignalError("VH: Size field mismatch");
}
if ((size - data.Length) % 16 != 0)
{
ErrorManager.SignalError("VH: Size field is invalid");
}
int vbsize = (size - data.Length) / 16;
if (reserved1 != -0x1112)
{
ErrorManager.SignalIgnorableError("VH: Reserved value 1 is wrong");
}
if (programcount < 0 || programcount > 128)
{
ErrorManager.SignalError("VH: Program count is invalid");
}
if (tonecount < 0 || tonecount > 2048)
{
ErrorManager.SignalError("VH: Tone count is invalid");
}
if (wavecount < 0 || wavecount > 254)
{
ErrorManager.SignalError("VH: Wave count is invalid");
}
if (reserved2 != -1)
{
ErrorManager.SignalIgnorableError("VH: Reserved value 2 is wrong");
}
if (data.Length < 2592 + 32 * 16 * programcount)
{
ErrorManager.SignalError("VH: Data is too short");
}
Dictionary <int, VHProgram> programs = new Dictionary <int, VHProgram>();
for (int i = 0; i < 128; i++)
{
byte[] programdata = new byte [16];
Array.Copy(data, 32 + 16 * i, programdata, 0, 16);
if (programdata[0] == 0)
{
continue;
}
if (programs.Count == programcount)
{
ErrorManager.SignalError("VH: Program count field mismatch");
}
byte[] tonedata = new byte [32 * 16];
Array.Copy(data, 32 + 16 * 128 + 32 * 16 * programs.Count, tonedata, 0, 32 * 16);
programs.Add(i, VHProgram.Load(programdata, tonedata, isoldversion));
}
if (programs.Count != programcount)
{
ErrorManager.SignalError("VH: Program count field mismatch");
}
int[] waves = new int [wavecount];
for (int i = 0; i < wavecount; i++)
{
int wave = BitConv.FromInt16(data, 32 + 16 * 128 + 32 * 16 * programcount + 2 + i * 2);
if (wave % 2 != 0)
{
ErrorManager.SignalError("VH: Wave size is invalid");
}
waves[i] = wave / 2;
}
return(new VH(isoldversion, vbsize, volume, panning, attribute1, attribute2, programs, waves));
}
private static byte[] ReadChunk(byte[] data, ref int offset, out bool compressed)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (offset < 0 || offset > data.Length)
{
throw new ArgumentOutOfRangeException("offset");
}
if (data.Length < offset + 2)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
byte[] result = new byte [Chunk.Length];
short magic = BitConv.FromInt16(data, offset);
if (magic == Chunk.Magic)
{
compressed = false;
if (data.Length < offset + Chunk.Length)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
Array.Copy(data, offset, result, 0, Chunk.Length);
offset += Chunk.Length;
}
else if (magic == Chunk.CompressedMagic)
{
compressed = true;
int pos = 0;
if (data.Length < offset + 12)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
short zero = BitConv.FromInt16(data, offset + 2);
int length = BitConv.FromInt32(data, offset + 4);
int skip = BitConv.FromInt32(data, offset + 8);
if (zero != 0)
{
ErrorManager.SignalIgnorableError("NSF.ReadChunk: Zero value is wrong");
}
if (length < 0 || length > Chunk.Length)
{
ErrorManager.SignalError("NSF.ReadChunk: Length field is invalid");
}
if (skip < 0)
{
ErrorManager.SignalError("NSF.ReadChunk: Skip value is negative");
}
offset += 12;
while (pos < length)
{
if (data.Length < offset + 1)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
byte prefix = data[offset];
offset++;
if ((prefix & 0x80) != 0)
{
prefix &= 0x7F;
if (data.Length < offset + 1)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
int seek = data[offset];
offset++;
int span = seek & 7;
seek >>= 3;
seek |= prefix << 5;
if (span == 7)
{
span = 64;
}
else
{
span += 3;
}
if (pos - seek < 0)
{
ErrorManager.SignalError("NSF.ReadChunk: Repeat begins out of bounds");
}
if (pos + span > Chunk.Length)
{
ErrorManager.SignalError("NSF.ReadChunk: Repeat ends out of bounds");
}
// Do NOT use Array.Copy as
// overlap is possible i.e. span
// may be greater than seek
for (int i = 0; i < span; i++)
{
result[pos + i] = result[pos - seek + i];
}
pos += span;
}
else
{
if (data.Length < offset + prefix)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
Array.Copy(data, offset, result, pos, prefix);
offset += prefix;
pos += prefix;
}
}
if (data.Length < offset + skip)
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
offset += skip;
if (data.Length < offset + (Chunk.Length - length))
{
ErrorManager.SignalError("NSF.ReadChunk: Data is too short");
}
Array.Copy(data, offset, result, pos, Chunk.Length - length);
offset += (Chunk.Length - length);
}
else
{
compressed = false; // Fixes a stupid compile error
ErrorManager.SignalError("NSF.ReadChunk: Unknown magic number");
}
return(result);
}
protected override int LoadElement(byte[] data)
{
return(BitConv.FromInt32(data, 0));
}
public static Entity Load(byte[] data)
{
if (data.Length < 16)
{
ErrorManager.SignalError("Entity: Data is too short");
}
int length = BitConv.FromInt32(data, 0);
int blank1 = BitConv.FromInt32(data, 4);
int blank2 = BitConv.FromInt32(data, 8);
int propertycount = BitConv.FromInt32(data, 12);
if (length != data.Length)
{
ErrorManager.SignalIgnorableError("Entity: Length field mismatch");
}
if (blank1 != 0 || blank2 != 0)
{
ErrorManager.SignalIgnorableError("Entity: Blank value is wrong");
}
if (propertycount < 0 || propertycount > ushort.MaxValue)
{
ErrorManager.SignalError("Entity: Property count is invalid");
}
if (data.Length < 16 + propertycount * 8)
{
ErrorManager.SignalError("Entity: Data is too short");
}
Dictionary <short, EntityProperty> properties = new Dictionary <short, EntityProperty>();
for (int i = 0; i < propertycount; i++)
{
short id = BitConv.FromInt16(data, 16 + i * 8);
int offset = (ushort)BitConv.FromInt16(data, 18 + i * 8) + 12;
int nextoffset = (i == propertycount - 1) ? data.Length : ((ushort)BitConv.FromInt16(data, 26 + i * 8) + 12);
byte type = data[20 + i * 8];
byte elementsize = data[21 + i * 8];
short unknown = BitConv.FromInt16(data, 22 + i * 8);
if (offset > data.Length)
{
ErrorManager.SignalError("Entity: Property begins out of bounds");
}
if (nextoffset < offset)
{
ErrorManager.SignalError("Entity: Property ends before it begins");
}
if (nextoffset > data.Length)
{
ErrorManager.SignalError("Entity: Property ends out of bounds");
}
if (properties.ContainsKey(id))
{
ErrorManager.SignalIgnorableError("Entity: Duplicate property");
}
else
{
byte[] propertydata = new byte [nextoffset - offset];
Array.Copy(data, offset, propertydata, 0, propertydata.Length);
EntityProperty property = EntityProperty.Load(type, elementsize, unknown, i == propertycount - 1, propertydata);
properties.Add(id, property);
}
}
return(new Entity(properties));
}
