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added the maya blendmode support for the add, multiply and over

This commit is contained in:
Asad M. Zaman 2005-11-12 02:39:28 +00:00
parent 6841aadc43
commit b95f6ecff4
3 changed files with 51 additions and 9 deletions
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2
pandatool/src/maya/mayaShader.cxx
View File

@ -50,7 +50,7 @@ MayaShader(MObject engine) {
<< "Reading shading engine " << get_name() << "\n";
}
_alpha_is_luminance = true;
_blend_type = BT_unspecified;
bool found_shader = false;
MPlug shader_plug = engine_fn.findPlug("surfaceShader");

12
pandatool/src/maya/mayaShader.h
View File

@ -53,7 +53,17 @@ public:
typedef pvector<MayaShaderColorDef *> ColorDef;
ColorDef _color;
bool _alpha_is_luminance;
enum BlendType {
BT_unspecified,
BT_modulate,
BT_decal,
BT_blend,
BT_replace,
BT_add,
BT_blend_color_scale,
};
BlendType _blend_type;
private:
bool read_surface_shader(MObject shader);

46
pandatool/src/maya/mayaShaderColorDef.cxx
View File

@ -29,6 +29,7 @@
#include <maya/MPlugArray.h>
#include <maya/MObject.h>
#include <maya/MStatus.h>
#include <maya/MFnEnumAttribute.h>
#include "post_maya_include.h"
////////////////////////////////////////////////////////////////////
@ -311,15 +312,46 @@ read_surface_color(MayaShader *shader, MObject color, bool trans) {
} else if (color.hasFn(MFn::kLayeredTexture)) {
maya_cat.debug() << "Found layered texture" << endl;
//list_maya_attributes(color);
//shader->_multi_texture = true;
//get_enum_attribute(color,"blendMode",shader->_blend_mode);
//maya_cat.debug() << "blend mode :" << shader->_blend_mode << endl;
get_bool_attribute(color, "alphaIsLuminance", shader->_alpha_is_luminance);
// get_bool_attribute(color, "isVisible", test_b);
MFnDependencyNode layered_fn(color);
MStatus status;
MPlug inputsPlug = layered_fn.findPlug("inputs", &status);
MPlug blendModePlug = layered_fn.findPlug("blendMode", &status);
size_t numElements = inputsPlug.evaluateNumElements(&status);
maya_cat.spam() << "*** Start doIt... ***" << endl;
maya_cat.spam() << "inputsPlug Name: " << inputsPlug.name() << endl;
// Asad:following block fills the plug array values: needed to get all the connections
int blendValue;
for (size_t i=0; i<inputsPlug.numElements(); ++i) {
status = blendModePlug.selectAncestorLogicalIndex(i,inputsPlug);
blendModePlug.getValue(blendValue); // this call fills the plug connection
}
// It seems our Maya, has the array of plugs in the reverse
// order. That is why I haev to query the ancestor index to the
// 2nd to last idx
status = blendModePlug.selectAncestorLogicalIndex(inputsPlug.numElements()-2,inputsPlug);
maya_cat.spam() << "blendModePlug Name: " << blendModePlug.name() << endl;
blendModePlug.getValue(blendValue);
maya_cat.spam() << "blendModePlug's value is " << blendValue << endl;
MFnEnumAttribute blendModeEnum(blendModePlug);
MString blendName = blendModeEnum.fieldName(blendValue, &status);
switch (blendValue) {
case 1:
shader->_blend_type = MayaShader::BT_decal;
break;
case 6:
shader->_blend_type = MayaShader::BT_modulate;
break;
case 4:
shader->_blend_type = MayaShader::BT_add;
break;
default:
shader->_blend_type = MayaShader::BT_modulate;
}
maya_cat.spam() << "blendModePlug's field name is " << blendName << endl;
maya_cat.spam() << "*** END doIt... ***" << endl;
MPlugArray color_pa;
layered_fn.getConnections(color_pa);
maya_cat.debug() << "number of connections: " << color_pa.length() << endl;