public static bool ShowsVertexColors(DB.DisplayStyle displayStyle)
{
return(displayStyle == DB.DisplayStyle.Shading ||
displayStyle == DB.DisplayStyle.ShadingWithEdges ||
displayStyle == DB.DisplayStyle.Realistic ||
displayStyle == DB.DisplayStyle.RealisticWithEdges);
}
public static bool ShowsEdges(DB.DisplayStyle displayStyle)
{
return(displayStyle == DB.DisplayStyle.Wireframe ||
displayStyle == DB.DisplayStyle.HLR ||
displayStyle == DB.DisplayStyle.ShadingWithEdges ||
displayStyle == DB.DisplayStyle.FlatColors ||
displayStyle == DB.DisplayStyle.RealisticWithEdges);
}
public virtual DB3D.EffectInstance EffectInstance(DB.DisplayStyle displayStyle, bool IsShadingPass)
{
if (effectInstance == null)
{
effectInstance = new DB3D.EffectInstance(vertexFormatBits);
}
return(effectInstance);
}
public override DB3D.EffectInstance EffectInstance(DB.DisplayStyle displayStyle, bool IsShadingPass)
{
var ei = base.EffectInstance(displayStyle, IsShadingPass);
bool hlr = displayStyle == DB.DisplayStyle.HLR;
bool flatColors = displayStyle == DB.DisplayStyle.FlatColors || displayStyle <= DB.DisplayStyle.HLR;
bool useMaterials = displayStyle > DB.DisplayStyle.HLR && displayStyle != DB.DisplayStyle.FlatColors;
bool useTextures = displayStyle > DB.DisplayStyle.Rendering && displayStyle != DB.DisplayStyle.FlatColors;
var ambient = Color.Black;
var color = Color.Black;
var diffuse = Color.Black;
var emissive = Color.Black;
var glossiness = 1.0;
var specular = Color.Black;
var transparency = 0.0;
if (IsShadingPass)
{
if (DB3D.DrawContext.IsTransparentPass())
{
transparency = displayStyle == DB.DisplayStyle.Wireframe ? 0.8 : 0.5;
var previewColor = Color.Silver;
if (flatColors)
{
emissive = previewColor;
}
else
{
diffuse = previewColor;
ambient = Color.FromArgb(diffuse.R / 2, diffuse.G / 2, diffuse.B / 2);
if (useTextures)
{
glossiness = 0.5;
specular = Color.White;
}
}
}
else
{
var drawColor = rhinoObject.IsLocked ?
Rhino.ApplicationSettings.AppearanceSettings.LockedObjectColor :
hlr ?
Color.White :
useMaterials ?
Material.DefaultMaterial.DiffuseColor :
rhinoObject.Attributes.DrawColor(ActiveDocument);
if (drawColor == Color.Black)
{
drawColor = Color.Gray;
}
if (displayStyle >= DB.DisplayStyle.HLR)
{
if (flatColors)
{
emissive = drawColor;
}
else
{
var material = rhinoObject.GetMaterial(true);
ambient = Color.FromArgb(material.DiffuseColor.R / 2, material.DiffuseColor.G / 2, material.DiffuseColor.B / 2);
diffuse = material.DiffuseColor;
emissive = material.EmissionColor;
if (material.Shine != 0.0)
{
double s = material.Shine / Material.MaxShine;
double _s = 1.0 - s;
specular = Color.FromArgb
(
material.SpecularColor.A,
(int)(material.SpecularColor.R * s + material.DiffuseColor.R * _s),
(int)(material.SpecularColor.G * s + material.DiffuseColor.G * _s),
(int)(material.SpecularColor.B * s + material.DiffuseColor.B * _s)
);
glossiness = s;
}
transparency = material.Transparency;
}
}
}
}
else
{
if (part.FaceCount == -1)
{
var previewColor = Color.Silver;
diffuse = previewColor;
ambient = Color.FromArgb(diffuse.R / 2, diffuse.G / 2, diffuse.B / 2);
if (useTextures)
{
glossiness = 0.5;
specular = Color.White;
}
}
}
ei.SetAmbientColor(ambient.ToColor());
ei.SetColor(color.ToColor());
ei.SetDiffuseColor(diffuse.ToColor());
ei.SetEmissiveColor(emissive.ToColor());
ei.SetGlossiness(glossiness * 100.0);
ei.SetSpecularColor(specular.ToColor());
ei.SetTransparency(transparency);
return(ei);
}
public virtual void Draw(DB.DisplayStyle displayStyle)
{
if (!Regen())
{
return;
}
var vc = HasVertexColors(vertexFormatBits) && ShowsVertexColors(displayStyle);
if (DB3D.DrawContext.IsTransparentPass() != vc)
{
if (vertexCount > 0)
{
var ei = EffectInstance(displayStyle, true);
if (triangleCount > 0)
{
DB3D.DrawContext.FlushBuffer
(
vertexBuffer, vertexCount,
triangleBuffer, triangleCount * 3,
vertexFormat, ei,
DB3D.PrimitiveType.TriangleList,
0, triangleCount
);
}
else if (linesBuffer != null)
{
DB3D.DrawContext.FlushBuffer
(
vertexBuffer, vertexCount,
linesBuffer, vertexCount,
vertexFormat, ei,
DB3D.PrimitiveType.PointList,
0, vertexCount
);
}
}
}
if (!DB3D.DrawContext.IsTransparentPass())
{
if (linesCount != 0)
{
if (triangleBuffer != null && !ShowsEdges(displayStyle))
{
return;
}
if (linesCount > 0)
{
DB3D.DrawContext.FlushBuffer
(
vertexBuffer, vertexCount,
linesBuffer, linesCount * 2,
vertexFormat, EffectInstance(displayStyle, false),
DB3D.PrimitiveType.LineList,
0, linesCount
);
}
else if (triangleCount == 0)
{
DB3D.DrawContext.FlushBuffer
(
vertexBuffer, vertexCount,
linesBuffer, vertexCount,
vertexFormat, EffectInstance(displayStyle, false),
DB3D.PrimitiveType.PointList,
0, vertexCount
);
}
}
}
}
public abstract void RenderScene(DB.View dBView, DB.DisplayStyle displayStyle);
