private void DoExportGeometry()
{
DesData.heightmapResolution = SrcData.Geometry.HeightMapResolution + 1;
int resolution = DesData.heightmapResolution;
float[,] heightSample = new float[resolution, resolution];
Vector2 uv = Vector2.zero;
Vector2 enc = Vector2.zero;
float h = 0;
for (int z = 0; z < resolution; ++z)
{
for (int x = 0; x < resolution; ++x)
{
uv.Set(
Mathf.InverseLerp(0, resolution - 1, x),
Mathf.InverseLerp(0, resolution - 1, z));
enc = (Vector4)SrcData.Geometry.HeightMap.GetPixelBilinear(uv.x, uv.y);
h = GCommon.DecodeFloatRG(enc);
heightSample[z, x] = h;
}
}
DesData.SetHeights(0, 0, heightSample);
if (ExportTerrainSize)
{
DesData.size = new Vector3(SrcData.Geometry.Width, SrcData.Geometry.Height, SrcData.Geometry.Length);
}
}
private void DoExportRaw8()
{
int rawResolution = SrcData.Geometry.HeightMapResolution + 1;
byte[] data = new byte[rawResolution * rawResolution];
Vector2 uv = Vector2.zero;
Color c = Color.white;
Vector2 enc = Vector2.zero;
byte h = 0;
for (int z = 0; z < rawResolution; ++z)
{
for (int x = 0; x < rawResolution; ++x)
{
uv.Set(
Mathf.InverseLerp(0, rawResolution - 1, x),
1 - Mathf.InverseLerp(0, rawResolution - 1, z));
c = SrcData.Geometry.HeightMap.GetPixelBilinear(uv.x, uv.y);
enc.Set(c.r, c.g);
h = (byte)(GCommon.DecodeFloatRG(enc) * byte.MaxValue);
data[GUtilities.To1DIndex(x, z, rawResolution)] = h;
}
}
GUtilities.EnsureDirectoryExists(DataDirectory);
string fileName = string.Format("RAW8_{0}x{0}_{1}.raw", rawResolution, SrcData.Id);
string path = Path.Combine(DataDirectory, fileName);
File.WriteAllBytes(path, data);
#if UNITY_EDITOR
AssetDatabase.Refresh();
#endif
}
private void DoExportRaw16()
{
int rawResolution = SrcData.Geometry.HeightMapResolution + 1;
byte[] data = new byte[rawResolution * rawResolution * sizeof(UInt16)];
Vector2 uv = Vector2.zero;
Color c = Color.white;
Vector2 enc = Vector2.zero;
UInt16 h = 0;
int startIndex = 0;
for (int z = 0; z < rawResolution; ++z)
{
for (int x = 0; x < rawResolution; ++x)
{
uv.Set(
Mathf.InverseLerp(0, rawResolution - 1, x),
1 - Mathf.InverseLerp(0, rawResolution - 1, z));
c = SrcData.Geometry.HeightMap.GetPixelBilinear(uv.x, uv.y);
enc.Set(c.r, c.g);
h = (UInt16)(GCommon.DecodeFloatRG(enc) * UInt16.MaxValue);
startIndex = 2 * GUtilities.To1DIndex(x, z, rawResolution);
Array.Copy(BitConverter.GetBytes(h), 0, data, startIndex, sizeof(UInt16));
}
}
GUtilities.EnsureDirectoryExists(DataDirectory);
string fileName = string.Format("RAW16_{0}x{0}_{1}.r16", rawResolution, SrcData.Id);
string path = Path.Combine(DataDirectory, fileName);
File.WriteAllBytes(path, data);
#if UNITY_EDITOR
AssetDatabase.Refresh();
#endif
}
private void DoExportHeightMap()
{
GUtilities.EnsureDirectoryExists(DataDirectory);
Color[] colors = SrcData.Geometry.HeightMap.GetPixels();
Vector2 enc = Vector2.zero;
float h = 0;
for (int i = 0; i < colors.Length; ++i)
{
enc.Set(colors[i].r, colors[i].g);
h = GCommon.DecodeFloatRG(enc);
colors[i] = new Color(h, 0, 0, 0);
}
Texture2D tex = new Texture2D(SrcData.Geometry.HeightMapResolution, SrcData.Geometry.HeightMapResolution, TextureFormat.RGBAFloat, false);
tex.SetPixels(colors);
tex.Apply();
byte[] data = tex.EncodeToPNG();
GUtilities.DestroyObject(tex);
string fileName = string.Format("HeightMap_{0}x{0}_{1}.png", SrcData.Geometry.HeightMapResolution, SrcData.Id);
string filePath = Path.Combine(DataDirectory, fileName);
File.WriteAllBytes(filePath, data);
}