OBJ_BlendSticky.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        OBJ_BlendSticky.h (Custom Library, C++)
 *
 * COMMENTS:    A sticky object that blends its UV transform from other objects.
 *
 */

#ifndef __OBJ_BlendSticky__
#define __OBJ_BlendSticky__

#include "OBJ_API.h"
#include "OBJ_StickyShared.h"

enum OBJ_StickyBlendIndex
{
    I_STICKYBLENDWEIGHTS = I_N_STICKYSHARED_INDICES,

    I_N_STICKYBLEND_INDICES
};

class OBJ_API OBJ_BlendSticky : public OBJ_StickyShared
{
public:
                            OBJ_BlendSticky(OP_Network *net, const char *name, 
                                    OP_Operator *op);

                           ~OBJ_BlendSticky() override {}

    static OP_Node         *myConstructor(OP_Network *net, 
                                    const char *name,
                                    OP_Operator *entry);

    static PRM_Template    *getTemplateList();

    OP_ERROR                setInput(unsigned idx, OP_Node *op,
                                     unsigned output_idx = 0) override;
    OP_ERROR                setInputReference(unsigned idx, const char *label,
                                              int keeppos,
                                              unsigned output_idx = 0) override;
    OP_ERROR                setIndirectInput(unsigned idx,
                                             OP_IndirectInput *in) override;

    OP_ERROR                setNamedInput(
                                    const OP_ConnectorId &input_name,
                                    OP_Node *op,
                                    const OP_ConnectorId *output_name = nullptr
                                    ) override;
    OP_ERROR                setNamedIndirectInput(
                                    const OP_ConnectorId &input_name,
                                    OP_IndirectInput *input) override;
    OP_ERROR                setNamedInputReference(
                                    const OP_ConnectorId &input_name,
                                    const char *label,
                                    int,
                                    const OP_ConnectorId *output_name = nullptr
                                    ) override;

    bool                    get2DWorldTransform(UT_DMatrix4 &mat,
                                                OP_Context &context) override;

    void                    STICKYGEOPATH(UT_String &str, fpreal t) override;
    void                    STICKYUV(UT_Vector2R &uv, fpreal t) override;
    fpreal                  STICKYROT(fpreal t) override; 
    int                     NBLENDS()
                            { 
                                return evalInt("weights", 0, 0); 
                            }
    void                    setNBLENDS(int n)
                            {
                                setInt("weights", 0, 0, n);
                            }
    fpreal                  BLENDWEIGHT(int i, fpreal t) const
                            {
                                if( nInputs() <= i )
                                    return 0;
                                else
                                    return evalFloatInst("blend#", &i, 0, t);
                            }
    int                     BLENDMASK(int i)
                            {
                                if( nInputs() <= i  )
                                    return 0;
                                else
                                    return evalIntInst("mask#", &i, 0, 0);
                            }

    void                    getParallelInputs(
                                    OP_Context &context,
                                    OP_NodeList &nodes) const override;

protected:
    int                    *getIndirect() const override
                            { return stickyIndirect; }
    OP_ERROR                cookMyObj(OP_Context &context) override;

    bool                    verifyParentGeopaths();
    void                    verifyNumInputs();
    void                    createInputDependencies(fpreal t) override;
    OP_ERROR                lockStickyInputs(OP_Context& context) override;
    void                    unlockStickyInputs(OP_Context &context) override;

    static int             *stickyIndirect;

};

#endif