public TileGeometry[] GetDual()
{
TileGeometry[] ret = new TileGeometry[vertices.Count];
for (int i = 0; i < vertices.Count; i++)
{
var face = new TileGeometry(GetDual(i));
DebugUtils.Assert(face.Vertices.Length == 5 || face.Vertices.Length == 6);
face.Neighbours = GetNeighbors(i);
ret[i] = face;
}
return(ret);
}
void AddTile(TileGeometry tile, Color32 c, List<Vector3> vertices, List<int> triangles, List<Color32> colors)
{
int vertidx = vertices.Count;
vertices.Add(tile.Center.Vector);
vertices.AddRange(tile.Vertices.Select(x => (Vector3)(0.9*x.Vector + 0.1*tile.Center.Vector)));
colors.AddRange(Enumerable.Range(0, tile.Vertices.Length + 1).Select(x => c));
for (int i = 0; i < tile.Vertices.Length; i++)
{
int j = (i + 1) % tile.Vertices.Length;
triangles.Add(vertidx);
triangles.Add(vertidx + i + 1);
triangles.Add(vertidx + j + 1);
}
}
void AddTile(TileGeometry tile, Color32 c, List <Vector3> vertices, List <int> triangles, List <Color32> colors)
{
int vertidx = vertices.Count;
vertices.Add(tile.Center.Vector);
vertices.AddRange(tile.Vertices.Select(x => (Vector3)(0.9 * x.Vector + 0.1 * tile.Center.Vector)));
colors.AddRange(Enumerable.Range(0, tile.Vertices.Length + 1).Select(x => c));
for (int i = 0; i < tile.Vertices.Length; i++)
{
int j = (i + 1) % tile.Vertices.Length;
triangles.Add(vertidx);
triangles.Add(vertidx + i + 1);
triangles.Add(vertidx + j + 1);
}
}
public Planet(IPlanetData terrain, int seed)
{
Terrain = terrain;
Biomes = Terrain.BiomeList;
Seed = seed;
var PRNG = new System.Random(seed);
int icosphereLevel = 7;
if (Tiles == null)
{
string cachepath = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + "/tiles.dat";
try
{
using (var stream = new FileStream(cachepath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var reader = new BinaryReader(stream);
var version = reader.ReadString();
if (version != System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString())
{
throw new Exception(string.Format("Wrong version in cache file: found {0}, expected {1}", version, System.Reflection.Assembly.GetExecutingAssembly().GetName().Version));
}
int level = reader.ReadInt32();
if (level != icosphereLevel)
{
throw new Exception(string.Format("Wrong tessellation level in cache file: found {0}, expected {1}", level, icosphereLevel));
}
int n = reader.ReadInt32();
Tiles = new TileGeometry[n];
for (int i = 0; i < n; i++)
{
Tiles[i] = new TileGeometry(reader);
}
}
}
catch (Exception e)
{
Log("Cannot open geometry from cache: {0}", e.Message);
var sphere = new Icosphere(icosphereLevel);
Tiles = sphere.GetDual();
try
{
using (var stream = new FileStream(cachepath, FileMode.Create, FileAccess.Write))
{
var writer = new BinaryWriter(stream);
writer.Write(System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString());
writer.Write(icosphereLevel);
writer.Write(Tiles.Length);
for (int i = 0; i < Tiles.Length; i++)
{
Tiles[i].Write(writer);
}
}
}
catch (Exception e2)
{
Log("Cannot write geometry to cache: {0}", e2.Message);
}
}
}
TileSeeds = new int[Tiles.Length];
for (int i = 0; i < Tiles.Length; i++)
{
TileSeeds[i] = PRNG.Next();
}
data = new LRUCache <TileData>(idx => new TileData(this, idx), 200);
}
public TileGeometry[] GetDual()
{
TileGeometry[] ret = new TileGeometry[vertices.Count];
for (int i = 0; i < vertices.Count; i++)
{
var face = new TileGeometry(GetDual(i));
DebugUtils.Assert(face.Vertices.Length == 5 || face.Vertices.Length == 6);
face.Neighbours = GetNeighbors(i);
ret[i] = face;
}
return ret;
}
public Planet(IPlanetData terrain, int seed)
{
Terrain = terrain;
Biomes = Terrain.BiomeList;
Seed = seed;
var PRNG = new System.Random(seed);
int icosphereLevel = 7;
if (Tiles == null)
{
string cachepath = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location) + "/tiles.dat";
try
{
using (var stream = new FileStream(cachepath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
var reader = new BinaryReader(stream);
var version = reader.ReadString();
if (version != System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString())
{
throw new Exception(string.Format("Wrong version in cache file: found {0}, expected {1}", version, System.Reflection.Assembly.GetExecutingAssembly().GetName().Version));
}
int level = reader.ReadInt32();
if (level != icosphereLevel)
{
throw new Exception(string.Format("Wrong tessellation level in cache file: found {0}, expected {1}", level, icosphereLevel));
}
int n = reader.ReadInt32();
Tiles = new TileGeometry[n];
for (int i = 0; i < n; i++)
{
Tiles[i] = new TileGeometry(reader);
}
}
}
catch (Exception e)
{
Log("Cannot open geometry from cache: {0}", e.Message);
var sphere = new Icosphere(icosphereLevel);
Tiles = sphere.GetDual();
try
{
using(var stream = new FileStream(cachepath, FileMode.Create, FileAccess.Write))
{
var writer = new BinaryWriter(stream);
writer.Write(System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString());
writer.Write(icosphereLevel);
writer.Write(Tiles.Length);
for(int i = 0; i < Tiles.Length; i++)
{
Tiles[i].Write(writer);
}
}
}
catch(Exception e2)
{
Log("Cannot write geometry to cache: {0}", e2.Message);
}
}
}
TileSeeds = new int[Tiles.Length];
for (int i = 0; i < Tiles.Length; i++)
{
TileSeeds[i] = PRNG.Next();
}
data = new LRUCache<TileData>(idx => new TileData(this, idx), 200);
}
