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#ifndef shaveRenderer_h
#define shaveRenderer_h
// Shave and a Haircut
// (c) 2019 Epic Games
// US Patent 6720962
#include <maya/MObjectArray.h>
#include "shaveConstant.h"
#include "shaveGlobals.h"
class shaveHairShape;
class shaveRenderer
{
public:
shaveRenderer();
virtual ~shaveRenderer();
virtual void doShutter(
const MTime& curTime, shaveConstant::ShutterState shutter
);
virtual void frameEnd(const shaveGlobals::Globals& g);
virtual void frameStart(const shaveGlobals::Globals& g);
virtual shaveConstant::RenderMode
getFilteredRenderMode(
const MObjectArray& shaveNodes,
bool* renderInstances = NULL
) const;
virtual shaveConstant::RenderMode
getBaseRenderMode(bool* renderInstances = NULL) const;
virtual shaveConstant::ShadowSource
getBaseShadowSource() const;
virtual void getGeomVisibility(
bool& hairPrimaryVisibility,
bool& hairSecondaryVisibility,
bool& instancePrimaryVisibility,
bool& instanceSecondaryVisibility
);
virtual float getPixelAspect() const;
virtual void getRenderableShaveNodes(MObjectArray& nodes);
virtual void getRenderableShaveNodesByRenderMode(
MObjectArray* geomNodes, MObjectArray* nonGeomNodes
);
virtual shaveConstant::RenderMode
getRenderMode(bool* renderInstances = NULL) const;
virtual shaveConstant::ShadowSource
getShadowSource() const;
//
// This method must return true if the shaveHairShape is to be rendered
// as normal Maya geometry and therefore does not need to be included
// in a Shave buffer render and should not be included in exported DRA
// archives.
//
virtual bool isGeomNode(const shaveHairShape* nodePtr) const = 0;
virtual bool needVertexColours() const;
virtual void render(
float frame,
shaveConstant::ShutterState shutter,
const MDagPath& camera
) = 0;
virtual void renderEnd();
virtual void renderInterrupted();
virtual void renderStart();
virtual void timeChange(const MTime& newTime) = 0;
protected:
MObjectArray mGeometryNodes;
MObjectArray mNonGeometryNodes;
bool mRendering;
mutable bool mWarningGivenInvalidHairMode;
mutable bool mWarningGivenInvalidInstanceMode;
//
// Note that these are only valid between startRender and endRender.
//
shaveConstant::RenderMode mHairRenderMode;
bool mHaveHair;
bool mHaveInstances;
bool mRenderInstances;
shaveConstant::ShadowSource mHairShadowSource;
};
#endif
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