PDG/PDG_ProcessorRandom.h

/*
 * Copyright (c) 2024
 *      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,
 *    this list of conditions and the following disclaimer.
 * 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,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 *----------------------------------------------------------------------------
 * Random Processor PDG node
 */

#ifndef __PDG_ProcessorRandom_h__
#define __PDG_ProcessorRandom_h__

#include <PDG/PDG_NodeCallback.h>

class PDG_TypeRegistry;
class PDG_WorkItemHolder;

namespace HDK_Sample {

class PDG_API PDG_ProcessorRandom : public PDG_NodeCallback
{    
public:
    using PDG_NodeCallback::PDG_NodeCallback;

                        ~PDG_ProcessorRandom() override {}

    PDG_CallbackResult  onConfigureNode(
                            PDG_NodeOptions* node_options) override;

    PDG_CallbackResult  onGenerate(
                            PDG_WorkItemHolder* item_holder,
                            const PDG_WorkItemArray& upstream_items,
                            GenerationType generate_type) override;

private:
    bool                _generate(
                            PDG_WorkItem* parent,
                            PDG_WorkItemHolder* item_holder,
                            uint& seed) const;
};

} // End HDK_Sample namespace

#endif