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Material information proxy.
The MPxMaterialInformation class is a way for users to override the viewport representation of shaders. The viewport uses a simple phong model for display in the viewport. With this class users can provide their own values for the phong shading parameters.
#include <MPxMaterialInformation.h>
Public Types |
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| enum | MaterialType { kSimpleMaterial = 0, kTexture, kOverrideDraw } |
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Material types. These affect how the material is shaded. More... |
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Public Member Functions |
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| MPxMaterialInformation (MObject &materialNode) | |
| Constructor. |
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| virtual | ~MPxMaterialInformation () |
| The class destructor. |
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| bool | useMaterialAsTexture () |
| Tells Maya whether to this material should
be displayed as a texture, ie whether it should be baked. |
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| virtual bool | materialInfoIsDirty (const MPlug &plug)=0 |
| Called by Maya to when a plug on the shader
has been changed. |
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| virtual bool | connectAsTexture (const MPlug &plug)=0 |
| Called by Maya to when an incoming
connection is made to plug on the shader. |
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| virtual bool | textureDisconnected (const MPlug &plug)=0 |
| Called whenever an incoming connection to
the shader is broken. |
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| virtual bool | computeMaterial (MaterialInputData &data)=0 |
| Compute the material properties/information
for the shader. |
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Protected Member Functions |
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| MPxMaterialInformation () | |
| Default constructor. |
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Protected Attributes |
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| MObject | fMaterialNode |
| The shader node this material is based
on. |
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| MaterialType | fMaterialType |
| Based on the material type the shader will
be rendered differently in the Maya viewport. |
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Friends |
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| class | MFnPlugin |
| enum MaterialType |
Material types. These affect how the material is shaded.
| MPxMaterialInformation | ( | MObject & | materialNode | ) |
Constructor.
| [in] | materialNode | material info node |
| bool useMaterialAsTexture | ( | ) |
Tells Maya whether to this material should be displayed as a texture, ie whether it should be baked.
| bool materialInfoIsDirty | ( | const MPlug & | plug | ) | [pure virtual] |
Called by Maya to when a plug on the shader has been changed.
This method tells Maya if the material information is dirty. If it is dirty Maya triggers a refresh of the viewport.
| [in] | plug | the plug that was changed |
| bool connectAsTexture | ( | const MPlug & | plug | ) | [pure virtual] |
Called by Maya to when an incoming connection is made to plug on the shader.
This method tells Maya if connection should be treated as a to a texture. If the connection is treated as a texture the Maya will bake the properties of the source plug for display in the viewport. Currently only one channel/plug on the shader can be treated as a texture.
| [in] | plug | the plug that was connected |
| bool textureDisconnected | ( | const MPlug & | plug | ) | [pure virtual] |
Called whenever an incoming connection to the shader is broken.
| [in] | plug | the plug that was disconnected. |
| bool computeMaterial | ( | MaterialInputData & | data | ) | [pure virtual] |
Compute the material properties/information for the shader.
These properties are the parameters for a simple phong shading model used for display in the viewport
| [in] | data | the material properties/information |