Texture2D CreateTexture(Terrain t, Texture2D tex, string texNamePostfix, Color defaultColor)
{
// find/create manager
var mgr = t.GetComponent <MicroSplatTerrain>();
if (mgr == null)
{
return(null);
}
// if we still don't have a texture, create one
if (tex == null)
{
tex = new Texture2D(t.terrainData.alphamapWidth, t.terrainData.alphamapHeight, TextureFormat.RGBA32, false, true);
for (int x = 0; x < tex.width; ++x)
{
for (int y = 0; y < tex.height; ++y)
{
tex.SetPixel(x, y, defaultColor);
}
}
tex.Apply();
tex.wrapMode = TextureWrapMode.Clamp;
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + texNamePostfix + ".png";
tex = SaveTexture(path, tex);
mgr.Sync();
}
return(tex);
}
void CreateTexture(Terrain t, string texNamePrefix = "", Material customMat = null)
{
// find/create manager
var mgr = t.GetComponent <MicroSplatTerrain>();
if (mgr == null)
{
return;
}
Texture2D tex = mgr.streamTexture;
// if we still don't have a texture, create one
if (tex == null)
{
tex = new Texture2D(t.terrainData.alphamapWidth, t.terrainData.alphamapHeight, TextureFormat.ARGB32, false, true);
mgr.streamTexture = tex;
Color c = new Color(0, 0, 0, 0);
for (int x = 0; x < tex.width; ++x)
{
for (int y = 0; y < tex.height; ++y)
{
tex.SetPixel(x, y, c);
}
}
tex.Apply();
tex.wrapMode = TextureWrapMode.Clamp;
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + "_stream_data.png";
mgr.streamTexture = SaveTexture(path, tex);
}
mgr.Sync();
}
Texture2D CreateTexture(Terrain t, Texture2D tex, string texNamePostfix, Color defaultColor, bool linear)
{
// find/create manager
var mgr = t.GetComponent <MicroSplatTerrain>();
if (mgr == null)
{
return(null);
}
// if we still don't have a texture, create one
if (tex == null)
{
tex = new Texture2D(t.terrainData.alphamapWidth, t.terrainData.alphamapHeight, TextureFormat.RGBA32, false, linear);
for (int x = 0; x < tex.width; ++x)
{
for (int y = 0; y < tex.height; ++y)
{
tex.SetPixel(x, y, defaultColor);
}
}
tex.Apply();
tex.wrapMode = TextureWrapMode.Clamp;
var path = MicroSplatUtilities.RelativePathFromAsset(t.terrainData);
path += "/" + t.name + texNamePostfix + ".png";
tex = SaveTexture(path, tex);
var ai = AssetImporter.GetAtPath(path);
var ti = ai as TextureImporter;
if (ti != null)
{
ti.sRGBTexture = !linear;
ti.textureCompression = TextureImporterCompression.Uncompressed;
var ftm = ti.GetDefaultPlatformTextureSettings();
ftm.format = TextureImporterFormat.RGBA32;
ti.SetPlatformTextureSettings(ftm);
ti.mipmapEnabled = true;
ti.wrapMode = TextureWrapMode.Clamp;
ti.SaveAndReimport();
}
mgr.Sync();
EditorUtility.SetDirty(mgr);
}
return(tex);
}
void CompressTerrainSplats(MicroSplatTerrain t)
{
int splatCount = t.terrain.terrainData.alphamapTextureCount;
// write out
for (int i = 0; i < splatCount; ++i)
{
var tex = t.terrain.terrainData.GetAlphamapTexture(i);
var path = MicroSplatUtilities.RelativePathFromAsset(t);
path += "/" + t.name + "_splat" + i + ".tga";
System.IO.File.WriteAllBytes(path, tex.EncodeToTGA());
}
AssetDatabase.Refresh();
// load and adjust importer
for (int i = 0; i < splatCount; ++i)
{
var path = MicroSplatUtilities.RelativePathFromAsset(t);
path += "/" + t.name + "_splat" + i + ".tga";
var tex = CompressTexture(path, false);
if (i == 0)
{
t.customControl0 = tex;
}
else if (i == 1)
{
t.customControl1 = tex;
}
else if (i == 2)
{
t.customControl2 = tex;
}
else if (i == 3)
{
t.customControl3 = tex;
}
else if (i == 4)
{
t.customControl4 = tex;
}
else if (i == 5)
{
t.customControl5 = tex;
}
else if (i == 6)
{
t.customControl6 = tex;
}
else if (i == 7)
{
t.customControl7 = tex;
}
}
EditorUtility.SetDirty(t);
MicroSplatKeywords keywords = MicroSplatUtilities.FindOrCreateKeywords(t.templateMaterial);
if (!keywords.IsKeywordEnabled("_CUSTOMSPLATTEXTURES"))
{
keywords.EnableKeyword("_CUSTOMSPLATTEXTURES");
MicroSplatShaderGUI.MicroSplatCompiler compiler = new MicroSplatShaderGUI.MicroSplatCompiler();
compiler.Compile(t.templateMaterial);
MicroSplatTerrain.SyncAll();
}
// destructive operation
t.terrain.terrainData.alphamapResolution = 16;
}
