public static PGStarMatch[] GetStarMatchByName(string sysname)
{
if (SystemsByName.ContainsKey(sysname))
{
return(SystemsByName[sysname].Select(i => SystemsById[i]).ToArray());
}
else
{
int index = 0;
int starclass = 0;
ByteXYZ blkcoords = new ByteXYZ();
int[] coords = null;
HandAuthoredSector sector = null;
string regionname = GetProcGenRegionNameFromSystemName(sysname, out index, out starclass, ref blkcoords);
if (regionname != null)
{
sector = HandAuthoredSectors.Sectors.FindSector(regionname)?.First();
if (sector != null)
{
int[] basecoords = sector.GetBaseBlockCoords(starclass);
coords = new int[]
{
basecoords[0] + blkcoords.X,
basecoords[1] + blkcoords.Y,
basecoords[2] + blkcoords.Z
};
}
else
{
ByteXYZ regioncoords = PGSectors.GetSectorPos(regionname);
if (regioncoords != ByteXYZ.Invalid)
{
string _regionname = PGSectors.GetSectorName(regioncoords);
coords = new int[]
{
(regioncoords.X << starclass) + blkcoords.X,
(regioncoords.Y << starclass) + blkcoords.Y,
(regioncoords.Z << starclass) + blkcoords.Z
};
}
}
if (coords != null)
{
long id = GetProcGenId(coords, starclass, index);
if (SystemsById.ContainsKey(id))
{
return(new PGStarMatch[] { SystemsById[id] });
}
}
}
}
return(new PGStarMatch[0]);
}
public static long GetProcGenId(ByteXYZ regionCoords, UShortXYZ relCoords, int starclass, int starseq)
{
int blocksize = 40960 >> starclass;
int[] coords = new int[]
{
(int)(regionCoords.X * 40960 + relCoords.X) / blocksize,
(int)(regionCoords.Y * 40960 + relCoords.Y) / blocksize,
(int)(regionCoords.Z * 40960 + relCoords.Z) / blocksize
};
return(GetProcGenId(coords, starclass, starseq));
}
private static uint Interleave3(ByteXYZ val)
{
unchecked
{
ulong x = (((ulong)val.X & 0x7F)) | (((ulong)val.Y & 0x7F) << 7) | (((ulong)val.Z & 0x7F) << 14);
x = (x | (x << 32)) & 0x001F00000000FFFFUL;
x = (x | (x << 16)) & 0x001F0000FF0000FFUL;
x = (x | (x << 8)) & 0x100F00F00F00F00FUL;
x = (x | (x << 4)) & 0x10C30C30C30C30C3UL;
x = (x | (x << 2)) & 0x1249249249249249UL;
return((uint)((x | (x >> 20) | (x >> 40)) & 0x1FFFFF));
}
}
public static string GetPgSuffix(ByteXYZ blockcoords, int starclass)
{
int blocknr = blockcoords.X + ((int)blockcoords.Y << 7) + ((int)blockcoords.Z << 14);
char v1 = (char)((blocknr % 26) + 'A');
blocknr /= 26;
char v2 = (char)((blocknr % 26) + 'A');
blocknr /= 26;
char v3 = (char)((blocknr % 26) + 'A');
blocknr /= 26;
char sc = (char)('h' - starclass);
string v4 = blocknr == 0 ? "" : $"{blocknr}-";
return($"{v1}{v2}-{v3} {sc}{v4}");
}
public ByteXYZ GetBlockCoords(PGStarMatch m)
{
int starclass = m.StarClass;
int[] v0 = GetBaseBlockCoords(starclass);
int[] v = m.BlockCoords;
int[] bc = new int[] { v[0] - v0[0], v[1] - v0[1], v[2] - v0[2] };
if (bc[0] < 0 || bc[0] >= 128 || bc[1] < 0 || bc[1] >= 128 || bc[2] < 0 || bc[2] >= 128)
{
return(ByteXYZ.Invalid);
}
else
{
ByteXYZ blockcoords = new ByteXYZ {
X = (sbyte)bc[0], Y = (sbyte)bc[1], Z = (sbyte)bc[2]
};
string suffix = PGStarMatch.GetPgSuffix(blockcoords, m.StarClass, m.StarSeq);
return(blockcoords);
}
}
// Region coords to sector name - based on https://bitbucket.org/Esvandiary/edts/src/master/pgnames.py
public static string GetSectorName(ByteXYZ pos)
{
if (CachedSectorsByCoords.ContainsKey(pos))
{
return(CachedSectorsByCoords[pos]);
}
else
{
int offset = (pos.Z << 14) + (pos.Y << 7) + pos.X;
string sectorname;
if (IsC1Sector(offset))
{
sectorname = GetC1Name(offset);
}
else
{
sectorname = GetC2Name(offset);
}
CachedSectorsByCoords[pos] = sectorname;
return(sectorname);
}
}
public static string GetC2SectorName(ByteXYZ pos)
{
return(GetC2Name((pos.Z << 14) + (pos.Y << 7) + pos.X));
}
public static long GetProcGenId(string sysname, Vector3 starpos, out HandAuthoredSector sector)
{
int index = 0;
int starclass = 0;
ByteXYZ blkcoords = new ByteXYZ();
int[] coords = null;
sector = null;
string regionname = GetProcGenRegionNameFromSystemName(sysname, out index, out starclass, ref blkcoords);
if (regionname == null)
{
if (SystemsByName.ContainsKey(sysname))
{
List <PGStarMatch> matches = SystemsByName[sysname].Select(s => SystemsById[s]).ToList();
foreach (PGStarMatch sm in matches)
{
Vector3 smcoords = sm.Coords;
Vector3 diff = new Vector3 {
X = smcoords.X - starpos.X, Y = smcoords.Y - starpos.Y, Z = smcoords.Z - starpos.Z
};
double sqdist = diff.X * diff.X + diff.Y * diff.Y + diff.Z * diff.Z;
if (sqdist < 0.015625)
{
sector = sm.HASector;
return(sm.Id);
}
}
}
else
{
return(0);
}
}
else
{
sector = HandAuthoredSectors.Sectors.FindSector(regionname).FirstOrDefault();
if (sector != null)
{
int[] basecoords = sector.GetBaseBlockCoords(starclass);
coords = new int[]
{
basecoords[0] + blkcoords.X,
basecoords[1] + blkcoords.Y,
basecoords[2] + blkcoords.Z
};
}
else
{
ByteXYZ regioncoords = PGSectors.GetSectorPos(regionname);
if (regioncoords != ByteXYZ.Invalid)
{
coords = new int[]
{
(regioncoords.X << starclass) + blkcoords.X,
(regioncoords.Y << starclass) + blkcoords.Y,
(regioncoords.Z << starclass) + blkcoords.Z
};
}
}
}
if (coords != null)
{
long id = GetProcGenId(coords, starclass, index);
if (id < 0)
{
Console.WriteLine($"Error: {sysname} => {id} ([{coords[0]},{coords[1]},{coords[2]}]:{starclass}:{index})");
}
return(id);
}
else
{
return(0);
}
}
public static PGStarMatch GetStarMatch(string sysname, Vector3 starpos, uint edsmid = 0, uint eddbid = 0)
{
int index = 0;
int starclass = 0;
ByteXYZ blkcoords = new ByteXYZ();
int[] coords = null;
HandAuthoredSector sector = null;
if (SystemsByName.ContainsKey(sysname))
{
List <PGStarMatch> matches = SystemsByName[sysname].Select(i => SystemsById[i]).ToList();
if (matches.Count == 1)
{
return(matches[0]);
}
foreach (PGStarMatch sm in matches)
{
Vector3 smcoords = sm.Coords;
Vector3 diff = new Vector3 {
X = smcoords.X - starpos.X, Y = smcoords.Y - starpos.Y, Z = smcoords.Z - starpos.Z
};
double sqdist = diff.X * diff.X + diff.Y * diff.Y + diff.Z * diff.Z;
if (sqdist < 0.015625)
{
sector = sm.HASector;
return(sm);
}
}
}
string regionname = GetProcGenRegionNameFromSystemName(sysname, out index, out starclass, ref blkcoords);
int blocksize = 40960 >> starclass;
double vx = starpos.X + 49985;
double vy = starpos.Y + 40985;
double vz = starpos.Z + 24105;
if (vx < 0 || vx >= 163840 || vy < 0 || vy > 163840 || vz < 0 || vz > 163840)
{
return(PGStarMatch.Invalid);
}
int x = (int)(vx * 32 + 0.5);
int y = (int)(vy * 32 + 0.5);
int z = (int)(vz * 32 + 0.5);
int cx = x / blocksize;
int cy = y / blocksize;
int cz = z / blocksize;
if (regionname != null && starpos != null && !Double.IsNaN(starpos.X) && !Double.IsNaN(starpos.Y) && !Double.IsNaN(starpos.Z))
{
sector = HandAuthoredSectors.Sectors.FindSector(regionname)?.First();
if (sector != null)
{
int[] basecoords = sector.GetBaseBlockCoords(starclass);
coords = new int[]
{
basecoords[0] + blkcoords.X,
basecoords[1] + blkcoords.Y,
basecoords[2] + blkcoords.Z
};
}
else
{
int bx = (x % 40960) / blocksize;
int by = (y % 40960) / blocksize;
int bz = (z % 40960) / blocksize;
ByteXYZ regioncoords = new ByteXYZ {
X = (sbyte)(x / 40960), Y = (sbyte)(y / 40960), Z = (sbyte)(z / 40960)
};
string pgregion = PGSectors.GetSectorName(regioncoords);
ByteXYZ nregcoords = pgregion == regionname ? regioncoords : PGSectors.GetSectorPos(regionname);
if (bx == blkcoords.X && by == blkcoords.Y && bz == blkcoords.Z && nregcoords == regioncoords)
{
coords = new int[] { cx, cy, cz };
}
else
{
ByteXYZ relcoords = new ByteXYZ {
X = (sbyte)bx, Y = (sbyte)by, Z = (sbyte)bz
};
if (nregcoords == ByteXYZ.Invalid)
{
Console.WriteLine($"System {sysname}: Unknown sector {regionname} @ {regioncoords} - coordname={pgregion} {GetPgSuffix(relcoords, starclass, index)}");
}
else
{
Vector3 namecoords = new Vector3
{
X = (nregcoords.X * 40960 + blkcoords.X * blocksize) / 32.0 - 49985,
Y = (nregcoords.Y * 40960 + blkcoords.Y * blocksize) / 32.0 - 40985,
Z = (nregcoords.Z * 40960 + blkcoords.Z * blocksize) / 32.0 - 24105
};
Console.WriteLine($"System {sysname}: Bad coordinates for sector {regionname} @ {regioncoords} - coordname={pgregion} {GetPgSuffix(relcoords, starclass, index)} | namecoords={namecoords}");
}
return(PGStarMatch.Invalid);
}
}
int ix = coords[0];
int iy = coords[1];
int iz = coords[2];
long id = GetProcGenId(coords, starclass, index);
if (SystemsById.ContainsKey(id))
{
PGStarMatch sm = SystemsById[id];
if (cx != ix || cy != iy || cz != iz)
{
Vector3 error = new Vector3 {
X = coords[0] * blocksize / 32.0 - 49985, Y = coords[1] * blocksize / 32.0 - 40985, Z = coords[2] * blocksize / 32.0 - 24105
};
Console.WriteLine($"Warning: System {sysname} Coord mismatch - starpos={starpos} | match={sm.Coords} | namepos={error}");
}
if ((eddbid == 0 && edsmid != 0 && sm._EdsmId == 0) || (sm._EdsmId == edsmid && eddbid != 0 && sm._EddbId == 0))
{
if (eddbid == 0 && edsmid != 0 && sm._EdsmId == 0)
{
sm._EdsmId = edsmid;
}
if (sm._EdsmId == edsmid && eddbid != 0 && sm._EddbId == 0)
{
sm._EddbId = eddbid;
}
SystemsById[id] = sm;
}
return(sm);
}
else
{
PGStarMatch sm = new PGStarMatch
{
_RegionCoordsX = (sbyte)(x / 40960),
_RegionCoordsY = (sbyte)(y / 40960),
_RegionCoordsZ = (sbyte)(z / 40960),
_RelCoordsX = (ushort)(x % 40960),
_RelCoordsY = (ushort)(y % 40960),
_RelCoordsZ = (ushort)(z % 40960),
_StarSeq = (ushort)index,
_StarClass = (byte)starclass,
_HandAuthoredSectorIndex = (ushort)(HandAuthoredSectors.Sectors.IndexOf(sector) + 1),
_EdsmId = edsmid,
_EddbId = eddbid
};
if (cx != ix || cy != iy || cz != iz)
{
Vector3 error = new Vector3 {
X = coords[0] * blocksize / 32.0 - 49985, Y = coords[1] * blocksize / 32.0 - 40985, Z = coords[2] * blocksize / 32.0 - 24105
};
int[] bc = sm.BlockCoords;
Console.WriteLine($"Warning: System {sysname} Coord mismatch - pgname={sm.HPGName} | starpos={starpos} | namepos={error} | nc=({coords[0]}, {coords[1]}, {coords[2]}) | pc=({bc[0]}, {bc[1]}, {bc[2]})");
}
SystemsById[id] = sm;
return(sm);
}
}
else
{
return(PGStarMatch.Invalid);
}
}
public static string GetProcGenRegionNameFromSystemName(string s, out int index, out int starclass, ref ByteXYZ blkcoords)
{
int i = s.Length - 1;
int blknum = 0;
index = 0;
starclass = 0;
string _s = s.ToLowerInvariant();
if (i < 9)
{
return(null); // a bc-d e0
}
if (_s[i] < '0' || _s[i] > '9')
{
return(null); // cepheus dark region a sector xy-z a1-[0]
}
while (i > 8 && _s[i] >= '0' && _s[i] <= '9')
{
i--;
}
if (i < _s.Length - 6)
{
return(null);
}
index = Int32.Parse(_s.Substring(i + 1));
if (_s[i] == '-') // cepheus dark region a sector xy-z a1[-]0
{
i--;
int vend = i;
while (i > 8 && _s[i] >= '0' && _s[i] <= '9')
{
i--; // cepheus dark region a sector xy-z a[1]-0
}
if (i < vend - 4)
{
return(null);
}
blknum = Int32.Parse(_s.Substring(i + 1, vend - i));
}
if (_s[i] < 'a' || _s[i] > 'h')
{
return(null); // cepheus dark region a sector xy-z [a]1-0
}
starclass = 'h' - _s[i];
i--;
if (_s[i] != ' ')
{
return(null); // cepheus dark region a sector xy-z[ ]a1-0
}
i--;
if (_s[i] < 'a' || _s[i] > 'z')
{
return(null); // cepheus dark region a sector xy-[z] a1-0
}
blknum = blknum * 26 + _s[i] - 'a';
i--;
if (_s[i] != '-')
{
return(null); // cepheus dark region a sector xy[-]z a1-0
}
i--;
if (_s[i] < 'a' || _s[i] > 'z')
{
return(null); // cepheus dark region a sector x[y]-z a1-0
}
blknum = blknum * 26 + _s[i] - 'a';
i--;
if (_s[i] < 'a' || _s[i] > 'z')
{
return(null); // cepheus dark region a sector [x]y-z a1-0
}
blknum = blknum * 26 + _s[i] - 'a';
i--;
if (_s[i] != ' ')
{
return(null); // cepheus dark region a sector[ ]xy-z a1-0
}
i--;
blkcoords = new ByteXYZ(
(sbyte)(blknum & 127),
(sbyte)((blknum >> 7) & 127),
(sbyte)((blknum >> 14) & 127)
);
return(s.Substring(0, i + 1)); // [cepheus dark region a sector] xy-z a1-0
}
public static string GetPgSuffix(ByteXYZ blockcoords, int starclass, int starseq)
{
string pgbsuffix = GetPgSuffix(blockcoords, starclass);
return($"{pgbsuffix}{starseq}");
}