private String makeString(List <int> list)
{
String s = "";
foreach (int i in list)
{
if (s.Length != 0)
{
s += ", ";
}
s += HexUtil.formatHex(i);
}
return(s);
}
public override string ToString()
{
var sb = new StringBuilder();
sb.Append("nloop: ").Append(nloop).Append(", ");
sb.Append("eop: ").Append(eop).Append(", ");
sb.Append("pre: ").Append(pre).Append(", ");
sb.Append("prim: ").Append(HexUtil.formatHex(prim)).Append(", ");
sb.Append("flg: ").Append(flagString()).Append(", ");
sb.Append("nreg: ").Append(nreg).Append(", ");
sb.Append("regs: ");
for (var r = 0; r < nreg; ++r)
{
sb.Append(regs[r]);
if (r != nreg)
{
sb.Append(", ");
}
}
return(sb.ToString());
}
public static List <Chunk> ReadVerts(ILogger log, byte[] fileData, int offset, int endOffset)
{
var chunks = new List <Chunk>();
var currentChunk = new Chunk();
Chunk previousChunk = null;
while (offset < endOffset)
{
var vifCommand = fileData[offset + 3] & 0x7f;
var numCommand = fileData[offset + 2] & 0xff;
int immCommand = DataUtil.getLEShort(fileData, offset);
switch (vifCommand)
{
case NOP_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("NOP");
offset += 4;
break;
case STCYCL_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("STCYCL: WL: " + (immCommand >> 8) + " CL: " + (immCommand & 0xFF));
offset += 4;
break;
case ITOP_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("ITOP: " + immCommand);
offset += 4;
break;
case STMOD_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("STMOD: " + immCommand);
offset += 4;
break;
case MSCAL_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("MSCAL: " + immCommand);
if (immCommand != 66 && immCommand != 68 && immCommand != 70)
{
DebugWriteLine("**** Microcode " + immCommand + " not supported");
}
currentChunk.mscalID = immCommand;
chunks.Add(currentChunk);
previousChunk = currentChunk;
currentChunk = new Chunk();
offset += 4;
break;
case STMASK_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
offset += 4;
var stmask = DataUtil.getLEInt(fileData, offset);
DebugWriteLine("STMASK: " + stmask);
offset += 4;
break;
case FLUSH_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("FLUSH");
offset += 4;
break;
case DIRECT_CMD:
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("DIRECT, " + immCommand * 16 + " bytes");
var tags = new GIFTag[immCommand];
for (var i = 0; i < immCommand; i++)
{
tags[i] = new GIFTag();
tags[i].parse(fileData, offset + 4 + i * 16);
}
currentChunk.DIRECTGifTags.AddRange(tags);
offset += 4;
offset += immCommand * 16;
break;
default:
if ((vifCommand & 0x60) == 0x60)
{
// unpack command
var mask = ((vifCommand & 0x10) == 0x10);
var vn = (vifCommand >> 2) & 3;
var vl = vifCommand & 3;
var addr = immCommand & 0x1ff;
var flag = (immCommand & 0x8000) == 0x8000;
var usn = (immCommand & 0x4000) == 0x4000;
DebugWrite(HexUtil.formatHex(offset) + " ");
var debugMsg = "UNPACK: vn: " + vn + ", vl: " + vl + ", Addr: " + addr + ", num: " + numCommand;
if (flag)
{
debugMsg += ", Flag";
}
if (usn)
{
debugMsg += ", Unsigned";
}
if (mask)
{
debugMsg += ", Mask";
}
DebugWriteLine(debugMsg);
offset += 4;
if (vn == 1 && vl == 1)
{
// v2-16
// I don't know why but the UVs come after the MSCAL instruction.
if (previousChunk != null)
{
for (var uvnum = 0; uvnum < numCommand; ++uvnum)
{
var u = DataUtil.getLEShort(fileData, offset);
var v = DataUtil.getLEShort(fileData, offset + 2);
previousChunk.uvs.Add(new UV(u, v));
offset += 4;
}
}
else
{
var numBytes = numCommand * 4;
offset += numBytes;
}
}
else if (vn == 2 && vl == 1)
{
// v3-16
// each vertex is 128 bits, so num is the number of vertices
for (var vnum = 0; vnum < numCommand; ++vnum)
{
if (!usn)
{
var x = DataUtil.getLEShort(fileData, offset);
var y = DataUtil.getLEShort(fileData, offset + 2);
var z = DataUtil.getLEShort(fileData, offset + 4);
offset += 6;
var vertex = new Vertex
{
x = x,
y = y,
z = z
};
currentChunk.vertices.Add(vertex);
}
else
{
int x = DataUtil.getLEUShort(fileData, offset);
int y = DataUtil.getLEUShort(fileData, offset + 2);
int z = DataUtil.getLEUShort(fileData, offset + 4);
offset += 6;
var vloc = new VLoc
{
v1 = x,
v2 = y,
v3 = z
};
currentChunk.vlocs.Add(vloc);
}
}
offset = (offset + 3) & ~3;
}
else if (vn == 2 && vl == 2)
{
// v3-8
var idx = offset;
for (var vnum = 0; vnum < numCommand; ++vnum)
{
var vec = new SByteVector
{
x = (sbyte)fileData[idx++],
y = (sbyte)fileData[idx++],
z = (sbyte)fileData[idx++]
};
currentChunk.normals.Add(vec);
}
var numBytes = ((numCommand * 3) + 3) & ~3;
offset += numBytes;
}
else if (vn == 3 && vl == 0)
{
// v4-32
log.LogLine("v4-32 data, " + numCommand + (numCommand == 1 ? " entry" : " entries") + ", addr=" + addr);
if (1 == numCommand)
{
currentChunk.gifTag0 = new GIFTag();
currentChunk.gifTag0.parse(fileData, offset);
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("GifTag: " + currentChunk.gifTag0.ToString());
}
else if (2 == numCommand)
{
currentChunk.gifTag0 = new GIFTag();
currentChunk.gifTag0.parse(fileData, offset);
currentChunk.gifTag1 = new GIFTag();
currentChunk.gifTag1.parse(fileData, offset + 16);
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("GifTag0: " + currentChunk.gifTag0.ToString());
DebugWrite(HexUtil.formatHex(offset) + " ");
DebugWriteLine("GifTag1: " + currentChunk.gifTag1.ToString());
}
else
{
log.LogLine("unknown number of gif commands.");
}
var numBytes = numCommand * 16;
offset += numBytes;
}
else if (vn == 3 && vl == 1)
{
// v4-16
log.LogLine("v4-16 data, " + numCommand + (numCommand == 1 ? " entry" : " entries") + ", addr=" + addr);
var numShorts = numCommand * 4;
if (usn)
{
currentChunk.extraVlocs = new ushort[numShorts];
for (var i = 0; i < numCommand; ++i)
{
currentChunk.extraVlocs[i * 4] = DataUtil.getLEUShort(fileData, offset + i * 8);
currentChunk.extraVlocs[i * 4 + 1] = DataUtil.getLEUShort(fileData, offset + i * 8 + 2);
currentChunk.extraVlocs[i * 4 + 2] = DataUtil.getLEUShort(fileData, offset + i * 8 + 4);
currentChunk.extraVlocs[i * 4 + 3] = DataUtil.getLEUShort(fileData, offset + i * 8 + 6);
}
}
else
{
log.LogLine("Unsupported tag");
}
offset += numShorts * 2;
}
else if (vn == 3 && vl == 2)
{
// v4-8
var numBytes = numCommand * 4;
currentChunk.vertexWeights = new List <VertexWeight>();
var curVertex = 0;
for (var i = 0; i < numCommand; ++i)
{
var vw = new VertexWeight
{
startVertex = curVertex,
bone1 = fileData[offset++] / 4,
boneWeight1 = fileData[offset++],
bone2 = fileData[offset++]
};
if (vw.bone2 == 0xFF)
{
// Single bone
vw.boneWeight2 = 0;
int count = fileData[offset++];
curVertex += count;
}
else
{
vw.bone2 /= 4;
vw.boneWeight2 = fileData[offset++];
++curVertex;
if (vw.boneWeight1 + vw.boneWeight2 < 255)
{
++i;
vw.bone3 = fileData[offset++] / 4;
vw.boneWeight3 = fileData[offset++];
vw.bone4 = fileData[offset++];
int bw4 = fileData[offset++];
if (vw.bone4 != 255)
{
vw.bone4 /= 4;
vw.boneWeight4 = bw4;
}
}
}
vw.endVertex = curVertex - 1;
currentChunk.vertexWeights.Add(vw);
}
}
else
{
DebugWriteLine("Unknown vnvl combination: vn=" + vn + ", vl=" + vl);
offset = endOffset;
}
}
else
{
DebugWriteLine("Unknown command: " + vifCommand);
offset = endOffset;
}
break;
}
}
return(chunks);
}
private WorldElement ReadWorldElement(EngineVersion engineVersion, WorldTexFile texFile, ILogger log, byte[] data, int startOffset, WorldData worldData, DataReader reader, int elementArrayStart, int texX0, int texY0, int elementIdx)
{
var element = new WorldElement();
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
reader.SetOffset(elementArrayStart + elementIdx * 0x3C);
}
else // Default to Dark Allience version
{
reader.SetOffset(elementArrayStart + elementIdx * 0x38);
}
var vifDataOffset = reader.ReadInt32();
if (EngineVersion.DarkAlliance == engineVersion)
{
var tex2 = reader.ReadInt32();
if (tex2 != 0)
{
log.LogLine("Tex2=" + tex2);
}
}
var vifLen = reader.ReadInt32();
log.LogLine("-----------");
log.LogLine("vifdata: " + vifDataOffset + ", " + vifLen);
var x1 = reader.ReadFloat();
var y1 = reader.ReadFloat();
var z1 = reader.ReadFloat();
var x2 = reader.ReadFloat();
var y2 = reader.ReadFloat();
var z2 = reader.ReadFloat();
element.boundingBox = new Rect3D(x1, y1, z1, x2 - x1, y2 - y1, z2 - z1);
log.LogLine("Bounding Box: " + element.boundingBox.ToString());
var textureNum = reader.ReadInt32() / 0x40;
log.LogLine("Texture Num: " + textureNum);
int texCellxy = reader.ReadInt16();
var y = texCellxy / 100;
var x = texCellxy % 100;
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
x += texX0;
y += texY0;
}
if (textureNum != 0 && texFile != null)
{
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
element.Texture = texFile.GetBitmapRTA(x, y, textureNum);
}
else
{
element.Texture = texFile.GetBitmap(worldData.textureChunkOffsets[y, x], textureNum);
}
}
if (element.Texture != null)
{
log.LogLine("Found in texture chunk: " + x + ", " + y);
}
var vifLogger = new StringLogger();
var texWidth = 100;
var texHeight = 100;
if (element.Texture != null)
{
texWidth = element.Texture.PixelWidth;
texHeight = element.Texture.PixelHeight;
}
var nregs = data[startOffset + vifDataOffset + 0x10];
var vifStartOffset = (nregs + 2) * 0x10;
element.VifDataOffset = startOffset + vifDataOffset + vifStartOffset;
element.VifDataLength = vifLen * 0x10 - vifStartOffset;
element.model = decodeModel(engineVersion, vifLogger, data, startOffset + vifDataOffset + vifStartOffset, vifLen * 0x10 - vifStartOffset, texWidth, texHeight);
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
int unk = reader.ReadInt16();
log.LogLine("Unknown: " + unk);
}
int posx = reader.ReadInt16();
int posy = reader.ReadInt16();
int posz = reader.ReadInt16();
log.LogLine("Position : " + posx + ", " + posy + ", " + posz);
element.pos = new Vector3D(posx / 16.0, posy / 16.0, posz / 16.0);
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
// Just a guess, maybe wrong.
element.pos = new Vector3D(posx / 16.0, posz / 16.0, posy / 16.0);
}
// I don't think RTA uses this flags scheme. From the data it looks like there are
// 2 shorts (or possibly floats) following.
var flags = reader.ReadInt32();
if ((flags & 0x01) == 0)
{
log.LogLine("Flags : " + HexUtil.formatHexUShort(flags & 0xFFFF));
element.cosAlpha = (flags >> 16) / 32767.0;
element.sinAlpha = reader.ReadInt16() / 32767.0;
log.LogLine("cos alpha : " + element.cosAlpha);
log.LogLine("sin alpha : " + element.sinAlpha);
log.LogLine("alpha(cos, sin): " + Math.Acos(element.cosAlpha) * 180.0 / Math.PI + ", " + Math.Asin(element.sinAlpha) * 180.0 / Math.PI);
element.usesRotFlags = false;
}
else
{
reader.ReadInt16(); // not necessary but makes the code more obvious.
log.LogLine("Flags : " + HexUtil.formatHex(flags));
element.xyzRotFlags = (flags >> 16) & 7;
element.usesRotFlags = true;
log.LogLine("Rot Flags : " + element.xyzRotFlags);
}
element.negYaxis = (flags & 0x40) == 0x40;
if (EngineVersion.ReturnToArms == engineVersion || EngineVersion.JusticeLeagueHeroes == engineVersion)
{
flags = 0;
element.usesRotFlags = true;
log.LogLine("Forcing flags to 0 until we know the format better");
}
return(element);
}
public WorldData Decode(EngineVersion engineVersion, WorldTexFile texFile, ILogger log, byte[] data, int startOffset, int length)
{
WorldData worldData = new WorldData();
var reader = new DataReader(data, startOffset, length);
int numElements = reader.ReadInt32(); // 0
reader.Skip(12); // Skipping 3 ints
int numCols = reader.ReadInt32(); // x10
int numRows = reader.ReadInt32(); // x14
reader.Skip(12); // Skipping 3 ints // x18 x1c x20
int elementArrayStart = reader.ReadInt32(); // x24
reader.Skip(8); // Skipping 2 ints
int off38Cols = reader.ReadInt32();
int off38Rows = reader.ReadInt32();
int off38 = reader.ReadInt32();
reader.Skip(28);
int texll = reader.ReadInt32();
int texur = reader.ReadInt32();
int texX0 = texll % 100;
int texY0 = texll / 100;
int texX1 = texur % 100;
int texY1 = texur / 100;
reader.Skip(4);
int worldTexOffsetsOffset = reader.ReadInt32();
worldData.textureChunkOffsets = readTextureChunkOffsets(engineVersion, data, startOffset + worldTexOffsetsOffset, texX0, texY0, texX1 + 1, texY1);
worldData.worldElements = new List <WorldElement>(numElements);
for (int elementIdx = 0; elementIdx < numElements; ++elementIdx)
{
var element = new WorldElement();
if (EngineVersion.ReturnToArms == engineVersion)
{
reader.SetOffset(elementArrayStart + elementIdx * 0x3C);
}
else // Default to Dark Allience version
{
reader.SetOffset(elementArrayStart + elementIdx * 0x38);
}
int vifDataOffset = reader.ReadInt32();
if (EngineVersion.DarkAlliance == engineVersion)
{
int tex2 = reader.ReadInt32();
if (tex2 != 0)
{
log.LogLine("Tex2=" + tex2);
}
}
int vifLen = reader.ReadInt32();
log.LogLine("-----------");
log.LogLine("vifdata: " + vifDataOffset + ", " + vifLen);
float x1 = reader.ReadFloat();
float y1 = reader.ReadFloat();
float z1 = reader.ReadFloat();
float x2 = reader.ReadFloat();
float y2 = reader.ReadFloat();
float z2 = reader.ReadFloat();
element.boundingBox = new Rect3D(x1, y1, z1, x2 - x1, y2 - y1, z2 - z1);
log.LogLine("Bounding Box: " + element.boundingBox.ToString());
int textureNum = reader.ReadInt32() / 0x40;
log.LogLine("Texture Num: " + textureNum);
int texCellxy = reader.ReadInt16();
int y = texCellxy / 100;
int x = texCellxy % 100;
if (EngineVersion.ReturnToArms == engineVersion)
{
x += texX0;
y += texY0;
}
if (textureNum != 0)
{
if (EngineVersion.ReturnToArms == engineVersion)
{
element.Texture = texFile.GetBitmapRTA(x, y, textureNum);
}
else
{
element.Texture = texFile.GetBitmap(worldData.textureChunkOffsets[y, x], textureNum);
}
}
if (element.Texture != null)
{
log.LogLine("Found in texture chunk: " + x + ", " + y);
}
var vifLogger = new StringLogger();
int texWidth = 100;
int texHeight = 100;
if (element.Texture != null)
{
texWidth = element.Texture.PixelWidth;
texHeight = element.Texture.PixelHeight;
}
byte nregs = data[startOffset + vifDataOffset + 0x10];
int vifStartOffset = (nregs + 2) * 0x10;
element.VifDataOffset = startOffset + vifDataOffset + vifStartOffset;
element.VifDataLength = vifLen * 0x10 - vifStartOffset;
element.model = decodeModel(engineVersion, vifLogger, data, startOffset + vifDataOffset + vifStartOffset, vifLen * 0x10 - vifStartOffset, texWidth, texHeight);
if (EngineVersion.ReturnToArms == engineVersion)
{
int unk = reader.ReadInt16();
log.LogLine("Unknown: " + unk);
}
int posx = reader.ReadInt16();
int posy = reader.ReadInt16();
int posz = reader.ReadInt16();
log.LogLine("Position : " + posx + ", " + posy + ", " + posz);
element.pos = new Vector3D(posx / 16.0, posy / 16.0, posz / 16.0);
if (EngineVersion.ReturnToArms == engineVersion)
{
// Just a guess, maybe wrong.
element.pos = new Vector3D(posx / 16.0, posz / 16.0, posy / 16.0);
}
// I don't think RTA uses this flags scheme. From the data it looks like there are
// 2 shorts (or possibly floats) following.
int flags = reader.ReadInt32();
if ((flags & 0x01) == 0)
{
log.LogLine("Flags : " + HexUtil.formatHexUShort(flags & 0xFFFF));
element.cosAlpha = (flags >> 16) / 32767.0;
element.sinAlpha = reader.ReadInt16() / 32767.0;
log.LogLine("cos alpha : " + element.cosAlpha);
log.LogLine("sin alpha : " + element.sinAlpha);
log.LogLine("alpha(cos, sin): " + Math.Acos(element.cosAlpha) * 180.0 / Math.PI + ", " + Math.Asin(element.sinAlpha) * 180.0 / Math.PI);
element.usesRotFlags = false;
}
else
{
reader.ReadInt16(); // not necessary but makes the code more obvious.
log.LogLine("Flags : " + HexUtil.formatHex(flags));
element.xyzRotFlags = (flags >> 16) & 7;
element.usesRotFlags = true;
log.LogLine("Rot Flags : " + element.xyzRotFlags);
}
element.negYaxis = (flags & 0x40) == 0x40;
if (EngineVersion.ReturnToArms == engineVersion)
{
flags = 0;
element.usesRotFlags = true;
log.LogLine("Forcing flags to 0 until we know the format better");
}
worldData.worldElements.Add(element);
}
return(worldData);
}