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#ifndef _HAIR_VRAY_tri_SHADE_DATA_H_
#define _HAIR_VRAY_tri_SHADE_DATA_H_
// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962
// V-Ray headers
#include "vraybase.h"
#include "vraymayageom.h"
#include "vrayplugins.h"
#include "geometryclasses.h"
#include "hairprimitives.h"
#include "rayprimitives.h"
#include "vray3_compat.h"
class shaveVrayInstanceI;
class shaveVrayTriShadeData : public VR::BaseShadeData,
public VR::MappedSurface
{
//void getPositionAndBlend(const VR::VRayContext &rc, int &pos, float &blend);
public:
shaveVrayTriShadeData(shaveVrayInstanceI *instance );
PluginBase* getPlugin(void) VRAY_OVERRIDE
{
return NULL;
}
PluginInterface* newInterface(InterfaceID id) VRAY_OVERRIDE
{
switch (id) {
case EXT_MAPPED_SURFACE: return static_cast<VR::MappedSurface*>(this);
}
return BaseShadeData::newInterface(id);
}
//VR::Color getColor(const VR::VRayContext &rc);
//VR::Color getIncandescence(const VR::VRayContext &rc);
//VR::Color getTransparency(const VR::VRayContext &rc);
//void getShadeData(const VR::VRayContext &rc, VR::VRayMayaHairShadeData &result);
// From MappedSurface
#if defined(VRAY30)
VR::Transform getLocalUVWTransform(const VR::VRayContext &rc, int channel) VRAY_OVERRIDE;
VR::Vector getLocalUVWCoordinates(const VR::VRayContext &rc, int channel) VRAY_OVERRIDE;
#elif defined(VRAY40)
void getLocalUVWTransform(const VR::VRayContext &rc, int channel, VR::ShadeTransform &result) override;
void getLocalUVWCoordinates(const VR::VRayContext &rc, int channel, VR::ShadeVec &result) override;
int getLocalUVWTransformByName(const VR::VRayContext &rc, const VR::StringID &channelName, VR::ShadeTransform &result) override;
int getUVWCoordinatesByName(const VR::VRayContext &rc, const VR::StringID &channelName, VR::ShadeVec &result) override;
VR::ShadeVec getMapChannelVertexVector(int mapChannelIdx, int vertexIdx) override;
VR::ShadeVec getUVWcoords(const VR::VRayContext &vri, int channel) override;
void getUVWderivs(const VR::VRayContext &vri, int channel, VR::ShadeVec derivs[2]) override;
void getUVWbases(const VR::VRayContext &vri, int channel, VR::ShadeVec bases[3]) override;
VR::ShadeVec getUVWnormal(const VR::VRayContext &vri, int channel) override;
#endif
void init(const VR::TraceTransform &itm);
private:
bool getUVWTriVerts(const VR::VRayContext &rc, VR::ShadeVec &t0, VR::ShadeVec &t1, VR::ShadeVec &t2);
protected:
VR::TraceTransform itm;
};
#endif
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