public void MakeTerrain()
{
MoonLabel labelData = readLblFile();
int[] readData = readImgFile(labelData);
int resolution = Math.Max(labelData.lines, labelData.lineSample);
Terrain terrain = GetComponent <Terrain>();
terrain.terrainData.heightmapResolution = resolution / Sampling;
float length = terrain.terrainData.heightmapResolution * Sampling;
terrain.terrainData.size = new Vector3(length, labelData.height, length);
List <int> dataList = new List <int>(readData);
TerrainData tData = terrain.terrainData;
int h = tData.heightmapHeight;
int w = tData.heightmapWidth;
float[,] data = new float[labelData.lineSample / Sampling, labelData.lines / Sampling];
Debug.Log("min1 = " + dataList.Min() + ", max1 = " + dataList.Max());
Debug.Log("min2 = " + labelData.minimum + ", max2 = " + labelData.maximum);
int last = 0;
for (int x = 0; x < labelData.lines / Sampling; x++)
{
for (int y = 0; y < labelData.lineSample / Sampling; y++)
{
int hData = readData[x * Sampling * labelData.lineSample + y * Sampling];
if (hData == labelData.dummy)
{
hData = last;
}
else
{
last = hData;
}
float height = (hData - labelData.minimum) / (float)(labelData.maximum - labelData.minimum);
data[y, x] = height;
}
}
terrain.terrainData.SetHeights(0, 0, data);
}
private int[] readImgFile(MoonLabel labelData)
{
var split = AssetDatabase.GetAssetPath(this.moonImgFile).Split('/');
var path = Application.dataPath + "/";
for (int i = 1; i < split.Length - 1; i++)
{
path += split[i] + "/";
}
path += split[split.Length - 1];
FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
BinaryReader bin = new BinaryReader(fileStream);
byte[] bs = new byte[(int)bin.BaseStream.Length];
bs = bin.ReadBytes((int)bin.BaseStream.Length);
fileStream.Close();
if (BitConverter.IsLittleEndian)
{
bs = bs.Reverse().ToArray();
}
int[] data = new int[bs.Length / 2];
for (int i = 0; i < data.Length; i++)
{
if (labelData.sampleType == MoonLabel.SampleType.MSB_INTEGER)
{
data[i] = BitConverter.ToInt16(bs, i * 2);
}
else
{
data[i] = BitConverter.ToUInt16(bs, i * 2);
}
}
return(data);
}
