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Co-authored-by: Andrew Le Bihan <andy@mcneel.com>
Co-authored-by: chuck <chuck@mcneel.com>
Co-authored-by: Dale Fugier <dale@mcneel.com>
Co-authored-by: Dale Lear <dalelear@mcneel.com>
Co-authored-by: David Eränen <david.eranen@mcneel.com>
Co-authored-by: Greg Arden <greg@mcneel.com>
Co-authored-by: John Croudy <john.croudy@mcneel.com>
Co-authored-by: Lowell Walmsley <lowell@mcneel.com>
Co-authored-by: Nathan Letwory <nathan@mcneel.com>
Co-authored-by: piac <giulio@mcneel.com>
Co-authored-by: Steve Baer <steve@mcneel.com>
Co-authored-by: Tim Hemmelman <tim@mcneel.com>
This commit is contained in:
Bozo The Builder
2020-03-12 09:00:26 -07:00
parent acbc998a03
commit 01cdb463e6
50 changed files with 5774 additions and 1857 deletions
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76
opennurbs_material.h
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@@ -511,24 +511,70 @@ public:
/*
Description:
Used to provide per face material support.
The parent object reference a basic material.
When a brep face or mesh facet wants to use
a material besides the base material, it specifies
a channelSupports material channel. The default
material channel is 0 and that indicates the base
material. A channel of n > 0 means that face
used the material with id m_material_channel[n-1].
If (n-1) >= m_material_channel.Count(), then the base
material is used. The value of
m_material_channel[n].m_id is persistent. The
value of m_material_channel[n].m_i is a runtime
index in the CRhinoDoc::m_material_table[]. If
CRhinoDoc::m_material_table[m_i].m_uuid != m_id,
then m_id is assumed to be correct.
The m_material_channel[] array is used to provide per face rendering material support for ON_SubD and ON_Brep objects.
ON_Mesh objects to not support per face render materials.
The application specifies a base ON_Material for rendering the subd or brep and a way to find materials from ON_UUID values.
ON_Material.Id() retuns the id for any given material.
ON_BrepFace::MaterialChannelIndex() and ON_SubDFace::MaterialChannelIndex()
specify a material channel index. If this value is 0, then the base
material is used to render the face. Otherwise the material with
id = base.MaterialChannelIdFromIndex( face.MaterialChannelIndex() )
is used to render the face.
*/
ON_SimpleArray<ON_UuidIndex> m_material_channel;
enum : int
{
///<summary>
/// Material channel index values stored in the ON_UuidIndex.m_i field of elements in the m_material_channel[] array
/// must be between 0 and ON_Material::MaximumMaterialChannelIndex, inclusive.
///</summary>
MaximumMaterialChannelIndex = 65535
};
/*
Parameters:
material_channel_index - [in]
Returns:
If material_channel_index > 0, the m_id ON_UUID value of the first element in the
m_material_channel[] array with material_channel_index = ON_Uuid_index.m_i is returned.
This id identifies an ON_Material.
Otherwise ON_nil_uuid is returned.
*/
const ON_UUID MaterialChannelIdFromIndex(
int material_channel_index
) const;
/*
Parameters:
material_channel_id - [in]
Returns:
If material_channel_id is not nil, the m_i index value of the first element in the
m_material_channel[] array with material_channel_id = ON_Uuid_index.m_id is returned.
Otherwise 0 is returned.
*/
int MaterialChannelIndexFromId(
ON_UUID material_channel_id
) const;
/*
Parameters:
material_channel_id - [in]
bAddIdIfNotPresent - [in]
Returns:
If material_channel_id is not nil, the m_i index value of the first element in the
m_material_channel[] array with material_channel_id = ON_Uuid_index.m_id is returned.
If material_channel_id is not nil an no element of the m_material_channel[] array
has a matching id, a new element is added with a unique channel index > 0 and that
index is returned.
Otherwise 0 is returned.
*/
int MaterialChannelIndexFromId(
ON_UUID material_channel_id,
bool bAddIdIfNotPresent
);
private:
ON_UUID m_plugin_id = ON_nil_uuid;