public override void Process(SceneReaderContext context)
{
context.VerifyWorld("AttributeBegin");
context.GraphicsStateStack.Push(context.GraphicsState.Clone());
context.TransformStack.Push(context.CurrentTransform.Clone());
context.ActiveTransformBitsStack.Push(context.ActiveTransformBits);
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectInstance");
if (context.RenderOptions.CurrentInstance != null)
throw new InvalidOperationException("ObjectInstance can't be called inside instance definition.");
if (!context.RenderOptions.Instances.ContainsKey(Name))
throw new InvalidOperationException("Unable to find instance named '" + Name + "'.");
var instances = context.RenderOptions.Instances[Name];
if (instances.Count == 0)
return;
if (instances.Count > 1 || !instances[0].CanIntersect)
{
// Refine instance primitives and create aggregate.
var accelerator = Factories.MakeAccelerator(
context.RenderOptions.AcceleratorName,
context.RenderOptions.AcceleratorParams,
instances);
instances.Clear();
instances.Add(accelerator);
}
var worldToInstance0 = Transform.Invert(context.CurrentTransform[0]);
var worldToInstance1 = Transform.Invert(context.CurrentTransform[1]);
var animatedWorldToInstance = new AnimatedTransform(
worldToInstance0, context.RenderOptions.TransformStartTime,
worldToInstance1, context.RenderOptions.TransformEndTime);
context.RenderOptions.Primitives.Add(new TransformedPrimitive(
instances[0], animatedWorldToInstance));
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("Texture");
var textureParams = new TextureParams(Parameters, Parameters,
context.GraphicsState.FloatTextures,
context.GraphicsState.SpectrumTextures);
switch (TextureType)
{
case "float":
{
context.GraphicsState.FloatTextures[Name] = Factories.MakeFloatTexture(
TextureClass, context.CurrentTransform[0],
textureParams);;
break;
}
case "color":
case "spectrum":
{
context.GraphicsState.SpectrumTextures[Name] = Factories.MakeSpectrumTexture(
TextureClass, context.CurrentTransform[0],
textureParams);;
break;
}
default:
throw new InvalidOperationException("Texture type '" + TextureType + " ' unknown.");
}
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("Texture");
var textureParams = new TextureParams(Parameters, Parameters,
context.GraphicsState.FloatTextures,
context.GraphicsState.SpectrumTextures);
switch (TextureType)
{
case "float" :
{
context.GraphicsState.FloatTextures[Name] = Factories.MakeFloatTexture(
TextureClass, context.CurrentTransform[0],
textureParams); ;
break;
}
case "color" :
case "spectrum" :
{
context.GraphicsState.SpectrumTextures[Name] = Factories.MakeSpectrumTexture(
TextureClass, context.CurrentTransform[0],
textureParams); ;
break;
}
default :
throw new InvalidOperationException("Texture type '" + TextureType +" ' unknown.");
}
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("MakeNamedMaterial");
var textureParams = new TextureParams(Parameters, context.GraphicsState.MaterialParams,
context.GraphicsState.FloatTextures, context.GraphicsState.SpectrumTextures);
context.GraphicsState.NamedMaterials[MaterialName] = Factories.MakeMaterial(
MaterialType, context.CurrentTransform[0], textureParams);
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("WorldEnd");
if (context.GraphicsStateStack.Count > 0)
throw new InvalidOperationException("Missing end to AttributeBegin");
if (context.TransformStack.Count > 0)
throw new InvalidOperationException("Missing end to TransformBegin");
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectEnd");
if (context.RenderOptions.CurrentInstance == null)
throw new InvalidOperationException("ObjectEnd called outside of instance definition.");
context.RenderOptions.CurrentInstance = null;
new AttributeEndDirective().Process(context);
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("TransformEnd");
if (context.TransformStack.Count == 0)
throw new InvalidOperationException("Unmatched TransformEnd encountered.");
context.CurrentTransform = context.TransformStack.Pop();
context.ActiveTransformBits = context.ActiveTransformBitsStack.Pop();
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("MakeNamedMaterial");
var textureParams = new TextureParams(Parameters, context.GraphicsState.MaterialParams,
context.GraphicsState.FloatTextures, context.GraphicsState.SpectrumTextures);
context.GraphicsState.NamedMaterials[MaterialName] = Factories.MakeMaterial(
MaterialType, context.CurrentTransform[0], textureParams);
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectBegin");
new AttributeBeginDirective().Process(context);
if (context.RenderOptions.CurrentInstance != null)
throw new InvalidOperationException("ObjectBegin called inside of instance definition.");
context.RenderOptions.Instances[Name] = new List<Primitive>();
context.RenderOptions.CurrentInstance = context.RenderOptions.Instances[Name];
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectEnd");
if (context.RenderOptions.CurrentInstance == null)
{
throw new InvalidOperationException("ObjectEnd called outside of instance definition.");
}
context.RenderOptions.CurrentInstance = null;
new AttributeEndDirective().Process(context);
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("TransformEnd");
if (context.TransformStack.Count == 0)
{
throw new InvalidOperationException("Unmatched TransformEnd encountered.");
}
context.CurrentTransform = context.TransformStack.Pop();
context.ActiveTransformBits = context.ActiveTransformBitsStack.Pop();
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectBegin");
new AttributeBeginDirective().Process(context);
if (context.RenderOptions.CurrentInstance != null)
{
throw new InvalidOperationException("ObjectBegin called inside of instance definition.");
}
context.RenderOptions.Instances[Name] = new List <Primitive>();
context.RenderOptions.CurrentInstance = context.RenderOptions.Instances[Name];
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("WorldEnd");
if (context.GraphicsStateStack.Count > 0)
{
throw new InvalidOperationException("Missing end to AttributeBegin");
}
if (context.TransformStack.Count > 0)
{
throw new InvalidOperationException("Missing end to TransformBegin");
}
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ObjectInstance");
if (context.RenderOptions.CurrentInstance != null)
{
throw new InvalidOperationException("ObjectInstance can't be called inside instance definition.");
}
if (!context.RenderOptions.Instances.ContainsKey(Name))
{
throw new InvalidOperationException("Unable to find instance named '" + Name + "'.");
}
var instances = context.RenderOptions.Instances[Name];
if (instances.Count == 0)
{
return;
}
if (instances.Count > 1 || !instances[0].CanIntersect)
{
// Refine instance primitives and create aggregate.
var accelerator = Factories.MakeAccelerator(
context.RenderOptions.AcceleratorName,
context.RenderOptions.AcceleratorParams,
instances);
instances.Clear();
instances.Add(accelerator);
}
var worldToInstance0 = Transform.Invert(context.CurrentTransform[0]);
var worldToInstance1 = Transform.Invert(context.CurrentTransform[1]);
var animatedWorldToInstance = new AnimatedTransform(
worldToInstance0, context.RenderOptions.TransformStartTime,
worldToInstance1, context.RenderOptions.TransformEndTime);
context.RenderOptions.Primitives.Add(new TransformedPrimitive(
instances[0], animatedWorldToInstance));
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("ReverseOrientation");
context.GraphicsState.ReverseOrientation = !context.GraphicsState.ReverseOrientation;
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("NamedMaterial");
context.GraphicsState.CurrentNamedMaterial = MaterialName;
}
public override void Process(SceneReaderContext context)
{
switch (DirectiveType)
{
case StandardDirectiveType.Accelerator:
context.VerifyOptions("Accelerator");
context.RenderOptions.AcceleratorName = ImplementationType;
context.RenderOptions.AcceleratorParams = Parameters;
break;
case StandardDirectiveType.AreaLightSource:
context.VerifyWorld("AreaLightSource");
context.GraphicsState.AreaLight = ImplementationType;
context.GraphicsState.AreaLightParams = Parameters;
break;
case StandardDirectiveType.Camera:
context.VerifyOptions("Camera");
context.RenderOptions.CameraName = ImplementationType;
context.RenderOptions.CameraParams = Parameters;
context.RenderOptions.CameraToWorld = TransformSet.Invert(context.CurrentTransform);
context.NamedCoordinateSystems["camera"] = context.RenderOptions.CameraToWorld;
break;
case StandardDirectiveType.Film:
context.VerifyOptions("Film");
context.RenderOptions.FilmName = ImplementationType;
context.RenderOptions.FilmParams = Parameters;
break;
case StandardDirectiveType.LightSource:
context.VerifyWorld("LightSource");
context.RenderOptions.Lights.Add(Factories.MakeLight(
ImplementationType, context.CurrentTransform[0], Parameters));
break;
case StandardDirectiveType.Material:
context.VerifyWorld("Material");
context.GraphicsState.Material = ImplementationType;
context.GraphicsState.MaterialParams = Parameters;
context.GraphicsState.CurrentNamedMaterial = "";
break;
case StandardDirectiveType.PixelFilter:
context.VerifyOptions("PixelFilter");
context.RenderOptions.FilterName = ImplementationType;
context.RenderOptions.FilterParams = Parameters;
break;
case StandardDirectiveType.Renderer:
context.VerifyOptions("Renderer");
context.RenderOptions.RendererName = ImplementationType;
context.RenderOptions.RendererParams = Parameters;
break;
case StandardDirectiveType.Sampler:
context.VerifyOptions("Sampler");
context.RenderOptions.SamplerName = ImplementationType;
context.RenderOptions.SamplerParams = Parameters;
break;
case StandardDirectiveType.Shape:
context.VerifyWorld("Shape");
ProcessShape(context);
break;
case StandardDirectiveType.SurfaceIntegrator:
context.VerifyOptions("SurfaceIntegrator");
context.RenderOptions.SurfaceIntegratorName = ImplementationType;
context.RenderOptions.SurfaceIntegratorParams = Parameters;
break;
case StandardDirectiveType.Volume:
context.VerifyWorld("Volume");
context.RenderOptions.VolumeRegions.Add(Factories.MakeVolumeRegion(
ImplementationType, context.CurrentTransform[0], Parameters));
break;
case StandardDirectiveType.VolumeIntegrator:
context.VerifyOptions("VolumeIntegrator");
context.RenderOptions.VolumeIntegratorName = ImplementationType;
context.RenderOptions.VolumeIntegratorParams = Parameters;
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public override void Process(SceneReaderContext context)
{
context.VerifyWorld("NamedMaterial");
context.GraphicsState.CurrentNamedMaterial = MaterialName;
}
public override void Process(SceneReaderContext context)
{
switch (DirectiveType)
{
case StandardDirectiveType.Accelerator:
context.VerifyOptions("Accelerator");
context.RenderOptions.AcceleratorName = ImplementationType;
context.RenderOptions.AcceleratorParams = Parameters;
break;
case StandardDirectiveType.AreaLightSource:
context.VerifyWorld("AreaLightSource");
context.GraphicsState.AreaLight = ImplementationType;
context.GraphicsState.AreaLightParams = Parameters;
break;
case StandardDirectiveType.Camera:
context.VerifyOptions("Camera");
context.RenderOptions.CameraName = ImplementationType;
context.RenderOptions.CameraParams = Parameters;
context.RenderOptions.CameraToWorld = TransformSet.Invert(context.CurrentTransform);
context.NamedCoordinateSystems["camera"] = context.RenderOptions.CameraToWorld;
break;
case StandardDirectiveType.Film:
context.VerifyOptions("Film");
context.RenderOptions.FilmName = ImplementationType;
context.RenderOptions.FilmParams = Parameters;
break;
case StandardDirectiveType.LightSource:
context.VerifyWorld("LightSource");
context.RenderOptions.Lights.Add(Factories.MakeLight(
ImplementationType, context.CurrentTransform[0], Parameters));
break;
case StandardDirectiveType.Material:
context.VerifyWorld("Material");
context.GraphicsState.Material = ImplementationType;
context.GraphicsState.MaterialParams = Parameters;
context.GraphicsState.CurrentNamedMaterial = "";
break;
case StandardDirectiveType.PixelFilter:
context.VerifyOptions("PixelFilter");
context.RenderOptions.FilterName = ImplementationType;
context.RenderOptions.FilterParams = Parameters;
break;
case StandardDirectiveType.Renderer:
context.VerifyOptions("Renderer");
context.RenderOptions.RendererName = ImplementationType;
context.RenderOptions.RendererParams = Parameters;
break;
case StandardDirectiveType.Sampler:
context.VerifyOptions("Sampler");
context.RenderOptions.SamplerName = ImplementationType;
context.RenderOptions.SamplerParams = Parameters;
break;
case StandardDirectiveType.Shape:
context.VerifyWorld("Shape");
ProcessShape(context);
break;
case StandardDirectiveType.SurfaceIntegrator:
context.VerifyOptions("SurfaceIntegrator");
context.RenderOptions.SurfaceIntegratorName = ImplementationType;
context.RenderOptions.SurfaceIntegratorParams = Parameters;
break;
case StandardDirectiveType.Volume:
context.VerifyWorld("Volume");
context.RenderOptions.VolumeRegions.Add(Factories.MakeVolumeRegion(
ImplementationType, context.CurrentTransform[0], Parameters));
break;
case StandardDirectiveType.VolumeIntegrator:
context.VerifyOptions("VolumeIntegrator");
context.RenderOptions.VolumeIntegratorName = ImplementationType;
context.RenderOptions.VolumeIntegratorParams = Parameters;
break;
default:
throw new ArgumentOutOfRangeException();
}
}