ImageWrapper LoadBlendTexture( string sm3directory, TdfParser.Section terrainsection, string texturesectionname )
{
TdfParser.Section texturesection = terrainsection.SubSection(texturesectionname);
string texturename = Path.Combine( sm3directory, texturesection.GetStringValue("file") );
LogFile.WriteLine(texturename);
return new ImageWrapper( texturename );
//return GlTexture.FromAlphamapFile(texturename);
}
void LoadHeightMap( string sm3directory, TdfParser.Section terrainsection)
{
TerrainModel terrainmodel = MetaverseClient.GetInstance().worldstorage.terrainmodel;
string filename = Path.Combine( sm3directory, terrainsection.GetStringValue("heightmap") );
double heightoffset = terrainsection.GetDoubleValue("heightoffset");
double heightscale = terrainsection.GetDoubleValue("heightscale");
LogFile.WriteLine("heightoffset: " + heightoffset + " heightscale " + heightscale);
terrainmodel.MinHeight = heightoffset;
terrainmodel.MaxHeight = heightoffset + heightscale; // I guess???
ImageWrapper image = new ImageWrapper( filename );
//Bitmap bitmap = DevIL.DevIL.LoadBitmap(filename);
int width = image.Width;
int height = image.Height;
terrainmodel.HeightMapWidth = width;
terrainmodel.HeightMapHeight = height;
terrainmodel.Map = new double[width, height];
LogFile.WriteLine("loaded bitmap " + width + " x " + height);
double minheight = terrainmodel.MinHeight;
double maxheight = terrainmodel.MaxHeight;
double heightmultiplier = (maxheight - minheight) / 255;
LogFile.WriteLine("heightmultiplier: " + heightmultiplier + " minheight: " + minheight);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
terrainmodel.Map[i, j] =
(float)(minheight + heightmultiplier *
image.GetBlue(i,j) );
}
}
terrain.HeightmapFilename = filename;
}
List<MapTextureStageModel> LoadTextureStages(string sm3directory, TdfParser.Section terrainsection)
{
int numstages = terrainsection.GetIntValue("numtexturestages");
List<MapTextureStageModel> stages = new List<MapTextureStageModel>();
TerrainModel terrainmodel = MetaverseClient.GetInstance().worldstorage.terrainmodel;
for (int i = 0; i < numstages; i++)
{
TdfParser.Section texstagesection = terrainsection.SubSection("texstage" + i);
string texturename = texstagesection.GetStringValue("source");
string blendertexturename = texstagesection.GetStringValue("blender");
string operation = texstagesection.GetStringValue("operation").ToLower();
int tilesize;
ImageWrapper splattexture = LoadSplatTexture( sm3directory, terrainsection, texturename, out tilesize );
if (operation == "blend")
{
ImageWrapper blendtexture = LoadBlendTexture( sm3directory, terrainsection, blendertexturename);
stages.Add( new MapTextureStageModel(MapTextureStageModel.OperationType.Blend, tilesize, splattexture, blendtexture) );
}
else // todo: add other operations
{
stages.Add( new MapTextureStageModel(MapTextureStageModel.OperationType.Replace, tilesize, splattexture ) );
}
}
terrainmodel.texturestages = stages;
return stages;
}
ImageWrapper LoadSplatTexture( string sm3directory, TdfParser.Section terrainsection, string texturesectionname, out int tilesize )
{
TdfParser.Section texturesection = terrainsection.SubSection(texturesectionname);
string texturename = Path.Combine( sm3directory, texturesection.GetStringValue("file") );
LogFile.WriteLine(texturename);
tilesize = texturesection.GetIntValue("tilesize");
ImageWrapper splattexture = new ImageWrapper( texturename );
return splattexture;
//return GlTexture.FromFile(texturename);
}