MayaBrush.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __maya_MayaBrush_h__
#define __maya_MayaBrush_h__

namespace fe
{
namespace ext
{

class MayaNode;

class MayaBrushManip: public MPxManipContainer
{
public:
                MayaBrushManip(void);
virtual         ~MayaBrushManip(void);

static  void*   creator(void);
static  MStatus initialize(void);

virtual MStatus connectToDependNode(const MObject &node) override;
virtual MStatus createChildren(void) override;

virtual void    preDrawUI(const M3dView &mayaView);

virtual void    draw(M3dView &mayaView,const MDagPath &path,
                    M3dView::DisplayStyle style,
                    M3dView::DisplayStatus status) override;

virtual void    drawUI(MHWRender::MUIDrawManager& drawManager,
                    const MHWRender::MFrameContext& frameContext) const
                    override;

static  MTypeId m_id;
};

/**************************************************************************//**
    @brief Maya Tool

    Maya's parallel to the Houdini brush is a MPxContext tool.
    The MayaContext singleton class provided by FE is not related.

    @ingroup maya
*//***************************************************************************/
class MayaBrush:
    public MPxContext,
    public MetaBrush
{
    public:

    class Command: public MPxContextCommand
    {
        public:
                        Command(void)                                       {}
    virtual MPxContext* makeObj(void)   { return new MayaBrush(); }
    static  void*       creator(void)   { return new MayaBrush::Command(); }
    };

                            MayaBrush(void);
virtual                     ~MayaBrush(void);

                            using MPxContext::doPress;
                            using MPxContext::doRelease;
                            using MPxContext::doDrag;

virtual void                toolOnSetup(MEvent &mayaEvent) override;
virtual void                toolOffCleanup(void) override;
virtual MStatus             doEnterRegion(MEvent &mayaEvent) override;
virtual MStatus             doPress(MEvent &mayaEvent,
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual MStatus             doRelease(MEvent &mayaEvent,
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual MStatus             doDrag(MEvent &mayaEvent,
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual MStatus             doHold(MEvent &mayaEvent,
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual MStatus             doPtrMoved(MEvent &mayaEvent,
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual MStatus             drawFeedback(
                                MHWRender::MUIDrawManager& drawManager,
                                const MHWRender::MFrameContext& frameContext)
                                override;
virtual void                deleteAction(void) override;
virtual void                completeAction(void) override;
virtual void                abortAction(void) override;
virtual bool                processNumericalInput(const MDoubleArray& rValues,
                                    const MIntArray& rFlags,
                                    bool isAbsolute) override;

        void                doMove(I32 a_mouseX,I32 a_mouseY);

static  void                staticSetup(void);
static  void                idleAdjust(void);

static  MHWRender::MUIDrawManager*  ms_pMUIDrawManager;
static  MayaBrush*          ms_pMayaBrush;
static  MayaNode*           ms_pCurrentNode;
static  BWORD               ms_mayaBrushCurrent;
static  MCallbackId         ms_commandCallback;
static  MCallbackId         ms_idleCallback;
        MCallbackId         m_updateCallback;

static  void                updateManipulators(void* a_pData);
static  void                provokeRedraw(void);

        void                brush(void);
        void                redraw(void);

    private:
        void                interpretMouse(MEvent& mayaEvent,
                                    WindowEvent::State state);

        Matrix<4,4,Real>    m_projection;

        I32                 m_mouseX;
        I32                 m_mouseY;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __maya_MayaBrush_h__ */