private float[] parseFloatArray(SunflowSharp.Systems.Parser p)
{
List <float> array = new List <float>();
bool done = false;
do
{
string s = p.getNextToken();
if (s.StartsWith("["))
{
s = s.Substring(1);
}
if (s.EndsWith("]"))
{
s = s.Substring(0, s.Length - 1);
done = true;
}
array.Add(float.Parse(s, System.Globalization.CultureInfo.InvariantCulture));
} while (!done);
return(array.ToArray());
}
private int[] parseIntArray(SunflowSharp.Systems.Parser p)
{
List <int> array = new List <int>();
bool done = false;
do
{
string s = p.getNextToken();
if (s.StartsWith("["))
{
s = s.Substring(1);
}
if (s.EndsWith("]"))
{
s = s.Substring(0, s.Length - 1);
done = true;
}
array.Add(int.Parse(s));
} while (!done);
return(array.ToArray());
}
public override bool parse(Stream stream, SunflowAPI api)
{
try
{
SunflowSharp.Systems.Parser p = new SunflowSharp.Systems.Parser(stream);
p.checkNextToken("version");
p.checkNextToken("3.04");
p.checkNextToken("TransformBegin");
if (p.peekNextToken("Procedural"))
{
// read procedural shave rib
bool done1 = false;
while (!done1)
{
p.checkNextToken("DelayedReadArchive");
p.checkNextToken("[");
string f = p.getNextToken();
UI.printInfo(UI.Module.USER, "RIB - Reading voxel: \"{0}\" ...", f);
api.include(f);
p.checkNextToken("]");
while (true)
{
string t = p.getNextToken();
if (t == null || t == "TransformEnd")
{
done1 = true;
break;
}
else if (t == "Procedural")
break;
}
}
return true;
}
bool cubic = false;
if (p.peekNextToken("Basis"))
{
cubic = true;
// u basis
p.checkNextToken("catmull-rom");
p.checkNextToken("1");
// v basis
p.checkNextToken("catmull-rom");
p.checkNextToken("1");
}
while (p.peekNextToken("Declare"))
{
p.getNextToken(); // name
p.getNextToken(); // interpolation & type
}
int index = 0;
bool done = false;
p.checkNextToken("Curves");
do
{
if (cubic)
p.checkNextToken("cubic");
else
p.checkNextToken("linear");
int[] nverts = parseIntArray(p);
for (int i = 1; i < nverts.Length; i++)
{
if (nverts[0] != nverts[i])
{
UI.printError(UI.Module.USER, "RIB - Found variable number of hair segments");
return false;
}
}
int nhairs = nverts.Length;
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair curves", nhairs);
api.parameter("segments", nverts[0] - 1);
p.checkNextToken("nonperiodic");
p.checkNextToken("P");
float[] points = parseFloatArray(p);
if (points.Length != 3 * nhairs * nverts[0])
{
UI.printError(UI.Module.USER, "RIB - Invalid number of points - expecting {0} - found {0}", nhairs * nverts[0], points.Length / 3);
return false;
}
api.parameter("points", "point", "vertex", points);
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair vertices", points.Length / 3);
p.checkNextToken("width");
float[] w = parseFloatArray(p);
if (w.Length != nhairs * nverts[0])
{
UI.printError(UI.Module.USER, "RIB - Invalid number of hair widths - expecting {0} - found {0}", nhairs * nverts[0], w.Length);
return false;
}
api.parameter("widths", "float", "vertex", w);
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair widths", w.Length);
string name = string.Format("{0}[{1}]", "[Stream]", index);
UI.printInfo(UI.Module.USER, "RIB - Creating hair object \"{0}\"", name);
api.geometry(name, "hair");
api.instance(name + ".instance", name);
UI.printInfo(UI.Module.USER, "RIB - Searching for next curve group ...");
while (true)
{
string t = p.getNextToken();
if (t == null || t == "TransformEnd")
{
done = true;
break;
}
else if (t == "Curves")
break;
}
index++;
} while (!done);
UI.printInfo(UI.Module.USER, "RIB - Finished reading rib file");
}
catch (Exception e)
{
UI.printError(UI.Module.USER, "RIB - File not found: {0}", "[Stream]");
return false;
}
return true;
}
public override bool parse(Stream stream, SunflowAPI api)
{
try
{
SunflowSharp.Systems.Parser p = new SunflowSharp.Systems.Parser(stream);
p.checkNextToken("version");
p.checkNextToken("3.04");
p.checkNextToken("TransformBegin");
if (p.peekNextToken("Procedural"))
{
// read procedural shave rib
bool done1 = false;
while (!done1)
{
p.checkNextToken("DelayedReadArchive");
p.checkNextToken("[");
string f = p.getNextToken();
UI.printInfo(UI.Module.USER, "RIB - Reading voxel: \"{0}\" ...", f);
api.include(f);
p.checkNextToken("]");
while (true)
{
string t = p.getNextToken();
if (t == null || t == "TransformEnd")
{
done1 = true;
break;
}
else if (t == "Procedural")
{
break;
}
}
}
return(true);
}
bool cubic = false;
if (p.peekNextToken("Basis"))
{
cubic = true;
// u basis
p.checkNextToken("catmull-rom");
p.checkNextToken("1");
// v basis
p.checkNextToken("catmull-rom");
p.checkNextToken("1");
}
while (p.peekNextToken("Declare"))
{
p.getNextToken(); // name
p.getNextToken(); // interpolation & type
}
int index = 0;
bool done = false;
p.checkNextToken("Curves");
do
{
if (cubic)
{
p.checkNextToken("cubic");
}
else
{
p.checkNextToken("linear");
}
int[] nverts = parseIntArray(p);
for (int i = 1; i < nverts.Length; i++)
{
if (nverts[0] != nverts[i])
{
UI.printError(UI.Module.USER, "RIB - Found variable number of hair segments");
return(false);
}
}
int nhairs = nverts.Length;
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair curves", nhairs);
api.parameter("segments", nverts[0] - 1);
p.checkNextToken("nonperiodic");
p.checkNextToken("P");
float[] points = parseFloatArray(p);
if (points.Length != 3 * nhairs * nverts[0])
{
UI.printError(UI.Module.USER, "RIB - Invalid number of points - expecting {0} - found {0}", nhairs * nverts[0], points.Length / 3);
return(false);
}
api.parameter("points", "point", "vertex", points);
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair vertices", points.Length / 3);
p.checkNextToken("width");
float[] w = parseFloatArray(p);
if (w.Length != nhairs * nverts[0])
{
UI.printError(UI.Module.USER, "RIB - Invalid number of hair widths - expecting {0} - found {0}", nhairs * nverts[0], w.Length);
return(false);
}
api.parameter("widths", "float", "vertex", w);
UI.printInfo(UI.Module.USER, "RIB - Parsed {0} hair widths", w.Length);
string name = string.Format("{0}[{1}]", "[Stream]", index);
UI.printInfo(UI.Module.USER, "RIB - Creating hair object \"{0}\"", name);
api.geometry(name, "hair");
api.instance(name + ".instance", name);
UI.printInfo(UI.Module.USER, "RIB - Searching for next curve group ...");
while (true)
{
string t = p.getNextToken();
if (t == null || t == "TransformEnd")
{
done = true;
break;
}
else if (t == "Curves")
{
break;
}
}
index++;
} while (!done);
UI.printInfo(UI.Module.USER, "RIB - Finished reading rib file");
}
catch (Exception e)
{
UI.printError(UI.Module.USER, "RIB - File not found: {0}", "[Stream]");
return(false);
}
return(true);
}
public override bool parse(Stream stream, SunflowAPI api)
{
//string localDir = Path.GetFullPath(filename);
numLightSamples = 1;
Timer timer = new Timer();
timer.start();
UI.printInfo(UI.Module.API, "Parsing stream ...");
try
{
p = new Systems.Parser(stream);
while (true)
{
string token = p.getNextToken();
if (token == null)
break;
if (token == "image")
{
UI.printInfo(UI.Module.API, "Reading image settings ...");
parseImageBlock(api);
}
else if (token == "background")
{
UI.printInfo(UI.Module.API, "Reading background ...");
parseBackgroundBlock(api);
}
else if (token == "accel")
{
UI.printInfo(UI.Module.API, "Reading accelerator type ...");
p.getNextToken();
UI.printWarning(UI.Module.API, "Setting accelerator type is not recommended - ignoring");
}
else if (token == "filter")
{
UI.printInfo(UI.Module.API, "Reading image filter type ...");
parseFilter(api);
}
else if (token == "bucket")
{
UI.printInfo(UI.Module.API, "Reading bucket settings ...");
api.parameter("bucket.size", p.getNextInt());
api.parameter("bucket.order", p.getNextToken());
api.options(SunflowAPI.DEFAULT_OPTIONS);
}
else if (token == "photons")
{
UI.printInfo(UI.Module.API, "Reading photon settings ...");
parsePhotonBlock(api);
}
else if (token == "gi")
{
UI.printInfo(UI.Module.API, "Reading global illumination settings ...");
parseGIBlock(api);
}
else if (token == "lightserver")
{
UI.printInfo(UI.Module.API, "Reading light server settings ...");
parseLightserverBlock(api);
}
else if (token == "trace-depths")
{
UI.printInfo(UI.Module.API, "Reading trace depths ...");
parseTraceBlock(api);
}
else if (token == "camera")
{
parseCamera(api);
}
else if (token == "shader")
{
if (!parseShader(api))
return false;
}
else if (token == "modifier")
{
if (!parseModifier(api))
return false;
}
else if (token == "override")
{
api.shaderOverride(p.getNextToken(), p.getNextbool());
}
else if (token == "object")
{
parseObjectBlock(api);
}
else if (token == "instance")
{
parseInstanceBlock(api);
}
else if (token == "light")
{
parseLightBlock(api);
}
else if (token == "texturepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.addTextureSearchPath(Path.GetFullPath(path));
}
else if (token == "includepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.addIncludeSearchPath(Path.GetFullPath(path));
}
else if (token == "include")
{
string file = p.getNextToken();
UI.printInfo(UI.Module.API, "Including: \"{0}\" ...", file);
api.parse(file);
}
else
UI.printWarning(UI.Module.API, "Unrecognized token {0}", token);
}
p.close();
}
catch (Exception e)
{
UI.printError(UI.Module.API, "{0}", e);
return false;
}
timer.end();
UI.printInfo(UI.Module.API, "Done parsing.");
UI.printInfo(UI.Module.API, "Parsing time: {0}", timer.ToString());
return true;
}
