SOP/SOP_NURBS.h

/*
 * Copyright (c) 2013
 *      Side Effects Software Inc.  All rights reserved.
 *
 * Redistribution and use of Houdini Development Kit samples in source and
 * binary forms, with or without modification, are permitted provided that the
 * following conditions are met:
 * 1. Redistributions of source code must retain the above copyright notice,
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 * 2. The name of Side Effects Software may not be used to endorse or
 *    promote products derived from this software without specific prior
 *    written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY SIDE EFFECTS SOFTWARE `AS IS' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 * NO EVENT SHALL SIDE EFFECTS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT,
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#ifndef __SOP_NURBS_h__
#define __SOP_NURBS_h__

#include <SOP/SOP_Node.h>

namespace HDK_Sample {
/// @brief Shows the interface for building a NURBS surface
class SOP_NURBS : public SOP_Node
{
public:
    static OP_Node              *myConstructor(OP_Network*, const char *,
                                                            OP_Operator *);

    /// Stores the description of the interface of the SOP in Houdini.
    /// Each parm template refers to a parameter.
    static PRM_Template          myTemplateList[];

protected:
             SOP_NURBS(OP_Network *net, const char *name, OP_Operator *op);
    virtual ~SOP_NURBS();

    /// Disable parameters according to other parameters.
    virtual unsigned             disableParms();


    /// cookMySop does the actual work of the SOP computing
    virtual OP_ERROR             cookMySop(OP_Context &context);

private:
    /// The following list of accessors simplify evaluating the parameters
    /// of the SOP.
    int         ROWS(float t)   { return evalInt  ("divs", 0, t); }
    int         COLS(float t)   { return evalInt  ("divs", 1, t); }
    int         UORDER(float t) { return evalInt  ("order", 0, t); }
    int         VORDER(float t) { return evalInt  ("order", 1, t); }
};
} // End HDK_Sample namespace

#endif