public TriangleMesh()
{
triangles = null;
points = null;
normals = uvs = new ParameterList.FloatParameter();
faceShaders = null;
}
public virtual bool update(ParameterList pl, SunflowAPI api)
{
bool updatedTopology = false;
{
int[] trianglesi = pl.getIntArray("triangles");
if (trianglesi != null)
{
this.triangles = trianglesi;
updatedTopology = true;
}
}
if (triangles == null)
{
UI.printError(UI.Module.GEOM, "Unable to update mesh - triangle indices are missing");
return false;
}
if (triangles.Length % 3 != 0)
UI.printWarning(UI.Module.GEOM, "Triangle index data is not a multiple of 3 - triangles may be missing");
pl.setFaceCount(triangles.Length / 3);
{
ParameterList.FloatParameter pointsP = pl.getPointArray("points");
if (pointsP != null)
if (pointsP.interp != ParameterList.InterpolationType.VERTEX)
UI.printError(UI.Module.GEOM, "Point interpolation type must be set to \"vertex\" - was \"{0}\"", pointsP.interp.ToString().ToLower());
else
{
points = pointsP.data;
updatedTopology = true;
}
}
if (points == null)
{
UI.printError(UI.Module.GEOM, "Unable to update mesh - vertices are missing");
return false;
}
pl.setVertexCount(points.Length / 3);
pl.setFaceVertexCount(3 * (triangles.Length / 3));
ParameterList.FloatParameter normals = pl.getVectorArray("normals");
if (normals != null)
this.normals = normals;
ParameterList.FloatParameter uvs = pl.getTexCoordArray("uvs");
if (uvs != null)
this.uvs = uvs;
int[] faceShaders = pl.getIntArray("faceshaders");
if (faceShaders != null && faceShaders.Length == triangles.Length / 3)
{
this.faceShaders = new byte[faceShaders.Length];
for (int i = 0; i < faceShaders.Length; i++)
{
int v = faceShaders[i];
if (v > 255)
UI.printWarning(UI.Module.GEOM, "Shader index too large on triangle {0}", i);
this.faceShaders[i] = (byte)(v & 0xFF);
}
}
if (updatedTopology)
{
// create triangle acceleration structure
init();
}
return true;
}
