ericw-tools/include/qbsp/brush.hh

97 lines
2.8 KiB
C++

/*
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 1997 Greg Lewis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
#pragma once
#include <qbsp/winding.hh>
#include <common/aabb.hh>
#include <optional>
#include <list>
#include <vector>
#include <memory>
class mapentity_t;
struct maptexinfo_t;
struct mapface_t;
struct qbsp_plane_t;
struct side_t
{
winding_t w;
size_t planenum;
int texinfo;
bool onnode; // has this face been used as a BSP node plane yet?
bool bevel; // don't ever use for bsp splitting
mapface_t *source; // the mapface we were generated from
bool tested;
side_t clone_non_winding_data() const;
side_t clone() const;
bool is_visible() const;
const maptexinfo_t &get_texinfo() const;
const qbsp_plane_t &get_plane() const;
const qbsp_plane_t &get_positive_plane() const;
};
class mapbrush_t;
struct bspbrush_t
{
using ptr = std::shared_ptr<bspbrush_t>;
using container = std::vector<ptr>;
using list = std::list<ptr>;
template<typename... Args>
static inline ptr make_ptr(Args&& ...args)
{
return std::make_shared<bspbrush_t>(std::forward<Args>(args)...);
}
/**
* The brushes in main brush vectors are considered originals. Brush fragments created during
* the BrushBSP will have this pointing back to the original brush in the list.
*/
ptr original_ptr;
mapbrush_t *mapbrush;
bspbrush_t *original_brush() { return original_ptr ? original_ptr.get() : this; }
const bspbrush_t *original_brush() const { return original_ptr ? original_ptr.get() : this; }
aabb3d bounds;
int side, testside; // side of node during construction
std::vector<side_t> sides;
contentflags_t contents; /* BSP contents */
qvec3d sphere_origin;
double sphere_radius;
bool update_bounds(bool warn_on_failures);
ptr copy_unique() const;
bspbrush_t clone() const;
};
std::optional<bspbrush_t> LoadBrush(const mapentity_t *src, mapbrush_t *mapbrush, const contentflags_t &contents, const int hullnum);
bool CreateBrushWindings(bspbrush_t *brush);