private bool MapVersionCheck(string path)
{
if (!File.Exists(_HEIGHT_MAP_PATH))
{
return(false);
}
var file = File.ReadAllBytes(path);
BinaryReader reader = new BinaryReader(new MemoryStream(file));
MapVersion version = GameObject.Find("map").GetComponent <MapVersion>();
String final_version = version.GetVersionString();
string version_string = reader.ReadString();
char nl = reader.ReadChar();
if (version_string != final_version || nl != '\n')
{
reader.Close();
return(false);
}
return(true);
}
/// <summary>
/// Takes the sampled height from the terrain and packs/compresses it to a binary file with the format of:
/// <height><number_of_times_it_occurs_consecutively>["\n"]
/// <4bytes><4bytes><4bytes>
/// This can possibly be compressed more by creating a range of height to be included when it writes
/// the number of times the height occurs. For example, if height is 1.5 and 1.7 and our range is +- .2.. we
/// would combine 1.5 and 1.7 to be 1.5 because they are so close together.
///
/// </summary>
/// <param name="path"></param>
public IEnumerator WriteHeightMap(string path)
{
MapVersion version = GameObject.Find("map").GetComponent <MapVersion>();
String final_version = version.GetVersionString();;
int nEntry = 2 * _mapSize + 2 * EXTENSION;
BinaryWriter writer = new BinaryWriter(File.Open(path, FileMode.Create, FileAccess.Write, FileShare.Read));
// write the version so at least we can verify
writer.Write(final_version);
writer.Write('\n');
for (int x = 0; x < nEntry; x++)
{
float temp = 0;
float last = 0;
int lastcnt = 0;
for (int z = 0; z < nEntry; z++)
{
//Terrain terrain = GetTerrainAtPos(PositionOf(x, z));
temp = GetTerrainHeight(PositionOf(x, z));//terrain.SampleHeight(PositionOf(x, z));
//map[x, z] = (byte)(terrain.SampleHeight(PositionOf(x, z)) > waterHeight ? PLAIN : WATER);
if (last == temp || lastcnt == 0)
{
lastcnt++;
}
else
{
writer.Write(last);
writer.Write(lastcnt);
lastcnt = 1;
}
last = temp;
}
writer.Write(temp);
writer.Write(lastcnt);
writer.Write((int)'\n');
SetPercentComplete(((double)x / (double)_map.GetLength(0)) * 100.0);
if ((int)GetPercentComplete() % 2 == 0)
{
yield return(null);
}
}
writer.Close();
}