private void parseBackgroundBlock(SunflowAPI api)
{
p.checkNextToken("{");
p.checkNextToken("color");
api.parameter("color", null, parseColor().getRGB());
api.shader("background.shader", "constant");
api.geometry("background", "background");
api.parameter("shaders", "background.shader");
api.instance("background.instance", "background");
p.checkNextToken("}");
}
private bool parseShader(SunflowAPI api)
{
p.checkNextToken("{");
p.checkNextToken("name");
string name = p.getNextToken();
UI.printInfo(UI.Module.API, "Reading shader: {0} ...", name);
p.checkNextToken("type");
if (p.peekNextToken("diffuse"))
{
if (p.peekNextToken("diff"))
{
api.parameter("diffuse", null, parseColor().getRGB());
api.shader(name, "diffuse");
}
else if (p.peekNextToken("texture"))
{
api.parameter("texture", p.getNextToken());
api.shader(name, "textured_diffuse");
}
else
UI.printWarning(UI.Module.API, "Unrecognized option in diffuse shader block: {0}", p.getNextToken());
}
else if (p.peekNextToken("phong"))
{
string tex = null;
if (p.peekNextToken("texture"))
api.parameter("texture", tex = p.getNextToken());
else
{
p.checkNextToken("diff");
api.parameter("diffuse", null, parseColor().getRGB());
}
p.checkNextToken("spec");
api.parameter("specular", null, parseColor().getRGB());
api.parameter("power", p.getNextFloat());
if (p.peekNextToken("samples"))
api.parameter("samples", p.getNextInt());
if (tex != null)
api.shader(name, "textured_phong");
else
api.shader(name, "phong");
}
else if (p.peekNextToken("amb-occ") || p.peekNextToken("amb-occ2"))
{
string tex = null;
if (p.peekNextToken("diff") || p.peekNextToken("bright"))
api.parameter("bright", null, parseColor().getRGB());
else if (p.peekNextToken("texture"))
api.parameter("texture", tex = p.getNextToken());
if (p.peekNextToken("dark"))
{
api.parameter("dark", null, parseColor().getRGB());
p.checkNextToken("samples");
api.parameter("samples", p.getNextInt());
p.checkNextToken("dist");
api.parameter("maxdist", p.getNextFloat());
}
if (tex == null)
api.shader(name, "ambient_occlusion");
else
api.shader(name, "textured_ambient_occlusion");
}
else if (p.peekNextToken("mirror"))
{
p.checkNextToken("refl");
api.parameter("color", null, parseColor().getRGB());
api.shader(name, "mirror");
}
else if (p.peekNextToken("glass"))
{
p.checkNextToken("eta");
api.parameter("eta", p.getNextFloat());
p.checkNextToken("color");
api.parameter("color", null, parseColor().getRGB());
if (p.peekNextToken("absorption.distance") || p.peekNextToken("absorbtion.distance"))
api.parameter("absorption.distance", p.getNextFloat());
if (p.peekNextToken("absorption.color") || p.peekNextToken("absorbtion.color"))
api.parameter("absorption.color", null, parseColor().getRGB());
api.shader(name, "glass");
}
else if (p.peekNextToken("shiny"))
{
string tex = null;
if (p.peekNextToken("texture"))
api.parameter("texture", tex = p.getNextToken());
else
{
p.checkNextToken("diff");
api.parameter("diffuse", null, parseColor().getRGB());
}
p.checkNextToken("refl");
api.parameter("shiny", p.getNextFloat());
if (tex == null)
api.shader(name, "shiny_diffuse");
else
api.shader(name, "textured_shiny_diffuse");
}
else if (p.peekNextToken("ward"))
{
string tex = null;
if (p.peekNextToken("texture"))
api.parameter("texture", tex = p.getNextToken());
else
{
p.checkNextToken("diff");
api.parameter("diffuse", null, parseColor().getRGB());
}
p.checkNextToken("spec");
api.parameter("specular", null, parseColor().getRGB());
p.checkNextToken("rough");
api.parameter("roughnessX", p.getNextFloat());
api.parameter("roughnessY", p.getNextFloat());
if (p.peekNextToken("samples"))
api.parameter("samples", p.getNextInt());
if (tex != null)
api.shader(name, "textured_ward");
else
api.shader(name, "ward");
}
else if (p.peekNextToken("view-caustics"))
{
api.shader(name, "view_caustics");
}
else if (p.peekNextToken("view-irradiance"))
{
api.shader(name, "view_irradiance");
}
else if (p.peekNextToken("view-global"))
{
api.shader(name, "view_global");
}
else if (p.peekNextToken("constant"))
{
// backwards compatibility -- peek only
p.peekNextToken("color");
api.parameter("color", null, parseColor().getRGB());
api.shader(name, "constant");
}
else if (p.peekNextToken("csharp"))
{
String typename = p.peekNextToken("typename") ? p.getNextToken() : PluginRegistry.shaderPlugins.generateUniqueName("janino_shader");
if (!PluginRegistry.shaderPlugins.registerPlugin(typename, p.getNextCodeBlock()))
return false;
api.shader(name, typename);
}
else if (p.peekNextToken("id"))
{
api.shader(name, "show_instance_id");
}
else if (p.peekNextToken("uber"))
{
if (p.peekNextToken("diff"))
api.parameter("diffuse", null, parseColor().getRGB());
if (p.peekNextToken("diff.texture"))
api.parameter("diffuse.texture", p.getNextToken());
if (p.peekNextToken("diff.blend"))
api.parameter("diffuse.blend", p.getNextFloat());
if (p.peekNextToken("refl") || p.peekNextToken("spec"))
api.parameter("specular", null, parseColor().getRGB());
if (p.peekNextToken("texture"))
{
// deprecated
UI.printWarning(UI.Module.API, "Deprecated uber shader parameter \"texture\" - please use \"diffuse.texture\" and \"diffuse.blend\" instead");
api.parameter("diffuse.texture", p.getNextToken());
api.parameter("diffuse.blend", p.getNextFloat());
}
if (p.peekNextToken("spec.texture"))
api.parameter("specular.texture", p.getNextToken());
if (p.peekNextToken("spec.blend"))
api.parameter("specular.blend", p.getNextFloat());
if (p.peekNextToken("glossy"))
api.parameter("glossyness", p.getNextFloat());
if (p.peekNextToken("samples"))
api.parameter("samples", p.getNextInt());
api.shader(name, "uber");
}
else
UI.printWarning(UI.Module.API, "Unrecognized shader type: {0}", p.getNextToken());
p.checkNextToken("}");
return true;
}
