public DAT(Stream s)
{
BinaryReader br = new BinaryReader(s);
while (s.Position < s.Length)
{
long offset = s.Position;
CHUNK c = new CHUNK(s);
uint d1 = (c.data.Length >= 4) ? BitConverter.ToUInt32(c.data, 0) : 0;
uint d2 = (c.data.Length >= 8) ? BitConverter.ToUInt32(c.data, 4) : 0;
//Console.WriteLine("chunk: {0,8:x8} : {1}:{2,2:x2} {3,8:x8} bytes / {4,8:x8} {5,8:x8}", offset, c.FourCC, c.Type, c.Length, d1, d2);
//File.WriteAllBytes(string.Format("{0,4:x4}{1}.enc", Chunks.Count, c.FourCC), c.data);
CHUNK.Decrypt(c.data);
string filename = string.Format("{0,4:x4}-{1}-{2,2:x2}.dec", Chunks.Count, c.FourCC, c.Type);
#if WRITE_CHUNKS_TO_DISK
if (!File.Exists(filename))
{
File.WriteAllBytes(filename, c.data);
}
#endif
c.Number = Chunks.Count;
Chunks.Add(c);
}
}
public static void Parse2E(CHUNK c)
{
int hcount = c.data[0x20];
//if (maxcount != 0 && maxcount != 1) Console.WriteLine("{0,4:x4}", c.Number);
if (hcount == 0)
{
return; // whatever
}
//if (c.data[0x60] != 'm') Console.WriteLine("{0,4:x4}", c.Number);
// type at [0x60..0x67] is "warp " or "model " or " "
int numpoints = BitConverter.ToInt32(c.data, 0x70);
for (int i = 0; i < numpoints; i++)
{
}
}
public static void Parse20(CHUNK c)
{
//Debugger.Break();
var filename = string.Format("{0,4:x4}-{1}-{2,2:x2}.dec", c.Number, c.FourCC, c.Type);
var filenamepng = string.Format("{0,4:x4}-{1}-{2,2:x2}.png", c.Number, c.FourCC, c.Type);
#if false
var psi = new ProcessStartInfo("dxt3.exe", "\"" + filename + "\"");
var p = Process.Start(psi);
p.WaitForExit();
if (!Directory.Exists("out"))
{
Directory.CreateDirectory("out");
}
if (File.Exists("out.png"))
{
File.Move("out.png", Path.Combine("out", filenamepng));
}
#endif
}
public static void Parse36(CHUNK c)
{
// if .zoneid same as current zone, region is probably a "zone line"
// - if srcordst is 0, the volume zones out
// - if srcordst is 1, the volume is the random region where you zone in (but your rotation will come from zone out)
var l = new Subregion();
int count = BitConverter.ToInt32(c.data, 0x30);
for (int i = 0; i < count; i++)
{
var o = new Subregion();
o.x = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x00);
o.y = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x04);
o.z = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x08);
o.rx = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x0c);
o.ry = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x10);
o.rz = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x14);
o.vx = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x18);
o.vy = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x1c);
o.vz = BitConverter.ToSingle(c.data, 0x40 + i * 0x40 + 0x20);
byte[] namebytes = new byte[8];
Array.Copy(c.data, 0x40 + i * 0x40 + 0x24, namebytes, 0, 8);
int len = 0;
while (len < namebytes.Length && namebytes[len] != 0)
{
len++;
}
len = 8;
o.name = Encoding.ASCII.GetString(namebytes, 0, len);
o.zoneid = BitConverter.ToInt32(c.data, 0x40 + i * 0x40 + 0x2c);
o.srcordst = BitConverter.ToInt32(c.data, 0x40 + i * 0x40 + 0x30);
#if true
Console.WriteLine("{0,8} {1} {2} : {3,8},{4,8},{5,8} : {6,8},{7,8},{8,8} : {9,8},{10,8},{11,8}",
o.name, o.srcordst, o.zoneid.ToString("x4"),
o.x.ToString("N2"), o.y.ToString("N2"), o.z.ToString("N2"),
o.rx.ToString("N2"), o.ry.ToString("N2"), o.rz.ToString("N2"),
o.vx.ToString("N2"), o.vy.ToString("N2"), o.vz.ToString("N2")
);
#endif
if (true || o.srcordst == 0)
{
float vx = o.vx / 2;
float vy = o.vy / 2;
float vz = o.vz / 2;
float ry = -o.ry;
Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(-vx, vz, ry), o.z + roty(-vx, vz, ry), o.y, o.x + rotx(vx, vz, ry), o.z + roty(vx, vz, ry), o.y);
Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(vx, vz, ry), o.z + roty(vx, vz, ry), o.y, o.x + rotx(vx, -vz, ry), o.z + roty(vx, -vz, ry), o.y);
Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(vx, -vz, ry), o.z + roty(vx, -vz, ry), o.y, o.x + rotx(-vx, -vz, ry), o.z + roty(-vx, -vz, ry), o.y);
Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(-vx, -vz, ry), o.z + roty(-vx, -vz, ry), o.y, o.x + rotx(-vx, vz, ry), o.z + roty(-vx, vz, ry), o.y);
//Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(-vx, -vz, ry), o.z + roty(-vx, -vz, ry), o.y, o.x + rotx(vx, vz, ry), o.z + roty(vx, vz, ry), o.y);
//Console.WriteLine("{0} {1} {2} {3} {4} {5} 0.5", o.x + rotx(vx, -vz, ry), o.z + roty(vx, -vz, ry), o.y, o.x + rotx(-vx, -vz, ry), o.z + roty(-vx, -vz, ry), o.y);
}
l = o;
}
}
public static void Parse1C(CHUNK c)
{
// map
int meshoffset = BitConverter.ToInt32(c.data, 8); // stores info about the collision mesh
int gridwidth = 10 * c.data[0x0c]; // stored div 10
int gridheight = 10 * c.data[0x0d];
int bucketwidth = c.data[0x0e]; // almost always 40?
int bucketheight = c.data[0x0f]; // stored mul 10; so 40 = 4 yalms; probably baked in so gridwidth*bucketwidth = mapwidth
int quadtreeoffset = BitConverter.ToInt32(c.data, 0x10);
int objectsoffset = 0x20;
int objectsendoffset = BitConverter.ToInt32(c.data, 0x14);
int objectscount = (objectsendoffset - objectsoffset) / 0x64;
int shortnameoffset = BitConverter.ToInt32(c.data, 0x18);
int shortnamescount = (meshoffset - shortnameoffset) / 0x4c;
AddByteCover("header", 0, 0x20);
// collision mesh
// - use the grid for fast location-based queries, or
// - use the list directly if you want to enumerate all the meshes (grid is also fine for this, just skip over the null pointers)
// - dont use the mesh data directly because it stores grid-local coordinates and also lacks transformations
int meshmodelcount = BitConverter.ToInt32(c.data, meshoffset + 0x00);
int meshmodeldata = BitConverter.ToInt32(c.data, meshoffset + 0x04); // raw mesh data, don't use this, it is local object data and doesn't have transformations applied
int meshgridbucketlistscount = BitConverter.ToInt32(c.data, meshoffset + 0x08);
int meshgridbucketlists = BitConverter.ToInt32(c.data, meshoffset + 0x0c); // each bucket has a list of {meshdata,transformation} and the list is zero terminated
int gridoffset = BitConverter.ToInt32(c.data, meshoffset + 0x10); // whole map is divided into a grid; each bucket points to its list entry
Console.WriteLine("mesh: {0} {1} {2} {3} {4}", meshmodelcount.ToString("x8"), meshmodeldata.ToString("x8"), meshgridbucketlistscount.ToString("x8"), meshgridbucketlists.ToString("x8"), gridoffset.ToString("x8"));
int mapidlistoffset = BitConverter.ToInt32(c.data, meshoffset + 0x14);
int mapidlistcount = BitConverter.ToInt32(c.data, meshoffset + 0x18);
AddByteCover("meshheader", meshoffset, 0x20);
Console.WriteLine("meshes:");
int j = meshmodeldata;
for (int i = 0; i < meshmodelcount; i++)
{
//Console.Write("{0,4:x4} |", i);
int retj = ParseMesh(c.data, j);
AddByteCover("meshes", j, retj - j);
j = retj;
}
// this loop populates global AllVertices AllNormals AllTriangles (sorry for statics; if you plan on using this for more than one map at a time, rewrite to be less staticy)
Console.WriteLine("grid:");
for (int y = 0; y < gridheight; y++)
{
for (int x = 0; x < gridwidth; x++)
{
int offs = (y * gridwidth + x) * 4;
int entryoffs = BitConverter.ToInt32(c.data, gridoffset + offs);
if (entryoffs != 0)
{
ParseGridEntry(c.data, entryoffs, x, y);
}
AddByteCover("grid", gridoffset + offs, 4);
}
}
#if WRITE_COLLISION_MESH_TO_DISK
// write out the collision mesh in some format
using (var sw = new StreamWriter("out.obj"))
{
foreach (var v in AllVertices)
{
sw.WriteLine("v {0} {1} {2}", v.x, v.y, v.z);
}
foreach (var n in AllNormals)
{
sw.WriteLine("vn {0} {1} {2}", n.nx, n.ny, n.nz);
}
foreach (var t in AllTriangles)
{
sw.WriteLine("f {0}//{1} {2}//{3} {4}//{5}",
1 + t.iv0, 1 + t.in0,
1 + t.iv1, 1 + t.in0,
1 + t.iv2, 1 + t.in0
);
}
}
#endif
Console.WriteLine("shortnames:");
for (int i = 0; i < shortnamescount; i++)
{
string name = Encoding.ASCII.GetString(c.data, shortnameoffset + i * 0x4c, 0x20);
//Console.Write("{0,4:x4} | {1}", i, name);
AddByteCover("shortnames", shortnameoffset + i * 0x4c, 0x4c);
}
Console.WriteLine();
Console.WriteLine("objects:");
for (int i = 0; i < objectscount; i++)
{
Console.Write("{0,4:x4} |", i);
ParseObject(c.data, objectsoffset + i * 0x64);
AddByteCover("objects", objectsoffset + i * 0x64, 0x64);
}
Console.WriteLine("vislist:");
for (int i = 0; i < mapidlistcount; i++)
{
Console.Write("{0,4:x4} |", i);
int mapid = ParseMapIDStruct(c.data, mapidlistoffset + 0xc0 * i);
vismapid.Add(i, mapid);
AddByteCover("vislist", mapidlistoffset + 0xc0 * i, 0xc0);
}
// quadtree does multiple things:
// - given a position, traverse down to some bucket
// - each bucket tells you what things are visible, which improves speed of game by limiting objects/polygons drawn
// - also tells you the 2D sub map id for a given 3D point (to pull up the proper 2D image when you open up /map)
// quadtree volumes have some transformations that I haven't bothered to apply
// quadtree stores entire vertical column (i.e. it is not really an octree)
Console.WriteLine("quadtree:");
BBT root = ParseQuadTree(c.data, quadtreeoffset, 1);
#if false
// query position to mapid(s)
BBT found = root.find(-550, 60, -70);
foreach (int node in found.matchids)
{
Console.WriteLine("{0}", node);
}
foreach (int mapid in found.matches)
{
Console.WriteLine("{0}", mapid);
}
#endif
AddByteCover("EOF", c.data.Length, 1);
PrintByteCover();
}
