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/*
* Copyright (C) 2021 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2021 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-units
* Created on: 9 авг. 2021 г.
*
* lsp-dsp-units is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-units is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-units. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef LSP_PLUG_IN_DSP_UNITS_3D_RT_PLAN_H_
#define LSP_PLUG_IN_DSP_UNITS_3D_RT_PLAN_H_
#include <lsp-plug.in/dsp-units/version.h>
#include <lsp-plug.in/dsp-units/3d/rt/types.h>
#include <lsp-plug.in/dsp-units/3d/Allocator3D.h>
#include <lsp-plug.in/dsp-units/3d/Object3D.h>
namespace lsp
{
namespace dspu
{
namespace rt
{
/**
* This is a space cutting plan for the raytracing algorithm
*/
typedef struct LSP_DSP_UNITS_PUBLIC plan_t
{
private:
plan_t(const plan_t &);
plan_t & operator = (const plan_t &);
public:
Allocator3D<rt::split_t> items;
public:
explicit plan_t();
~plan_t();
public:
/**
* Clear plan: clear underlying structures
*/
inline void clear() { items.clear(); };
/**
* Flush plan: clear underlying structures and release memory
*/
inline void flush() { items.flush(); };
/**
* Check that the cutting plan is empty
* @return true if the cutting plan is empty
*/
inline bool is_empty() const { return items.size() == 0; }
/**
* Swap contents with another plan
* @param dst target plan to perform swap
*/
inline void swap(plan_t *dst) { items.swap(&dst->items); }
/**
* Split raytrace plan and keep the only edges that are below the cutting plane
* @param pl cutting plane
* @return status of operation
*/
status_t cut_out(const dsp::vector3d_t *pl);
/**
* Split raytrace plan and keep the only edges that are above the cutting plane
* @param pl cutting plane
* @return status of operation
*/
status_t cut_in(const dsp::vector3d_t *pl);
/**
* Split raytrace plan and keep the only edges that are below the cutting plane,
* store all edges above the cutting plane to the other plan passed as parameter
* @param out plan to store all edges above the cutting plane
* @param pl cutting plane
* @return status of operation
*/
status_t split(plan_t *out, const dsp::vector3d_t *pl);
/**
* Add triangle to the plan
* @param pv three triangle points
* @param sp the equation of split plane provided by triangle
* @return status of operation
*/
status_t add_triangle(const dsp::point3d_t *pv);
/**
* Add triangle to the plan
* @param t triangle to add
* @param sp the equation of split plane provided by triangle
* @return status of operation
*/
status_t add_triangle(const rtm::triangle_t *t);
/**
* Add triangle to the plan
* @param pv three triangle points
* @param sp the equation of split plane provided by triangle
* @return status of operation
*/
rt::split_t *add_edge(const dsp::point3d_t *pv);
/**
* Add triangle to the plan
* @param pv three triangle points
* @param sp the equation of split plane provided by triangle
* @return status of operation
*/
rt::split_t *add_edge(const dsp::point3d_t *p1, const dsp::point3d_t *p2);
} plan_t;
} // namespace rt
} // namespace dspu
} // namespace lsp
#endif /* LSP_PLUG_IN_DSP_UNITS_3D_RT_PLAN_H_ */
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