94 lines
3.0 KiB
C++
94 lines
3.0 KiB
C++
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 1997 Greg Lewis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See file, 'COPYING', for details.
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*/
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#pragma once
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#include <qbsp/winding.hh>
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#include <qbsp/qbsp.hh>
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#include <common/aabb.hh>
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#include <optional>
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class mapentity_t;
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struct side_t
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{
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winding_t w;
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std::vector<size_t> edges; // only filled in MakeFaceEdges
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std::optional<size_t> outputnumber; // only valid for original faces after
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// write surfaces
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int planenum;
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planeside_t planeside; // which side is the front of the face
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int texinfo;
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twosided<contentflags_t> contents;
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twosided<int16_t> lmshift;
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qvec3d origin;
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vec_t radius;
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// filled by TJunc
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std::vector<face_fragment_t> fragments;
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// fixme-brushbsp: move to a brush_side_t struct
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bool onnode; // has this face been used as a BSP node plane yet?
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bool visible = true; // can any part of this side be seen from non-void parts of the level?
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// non-visible means we can discard the brush side
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// (avoiding generating a BSP spit, so expanding it outwards)
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portal_t *portal;
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};
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struct bspbrush_t {
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/**
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* The brushes in the mapentity_t::brushes vector are considered originals. Brush fragments created during
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* the BrushBSP will have this pointing back to the original brush in mapentity_t::brushes.
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*/
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bspbrush_t *original;
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uint32_t file_order;
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aabb3d bounds;
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std::vector<side_t> sides;
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contentflags_t contents; /* BSP contents */
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short lmshift; /* lightmap scaling (qu/lightmap pixel), passed to the light util */
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std::optional<uint32_t> outputnumber; /* only set for original brushes */
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mapentity_t *func_areaportal;
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void update_bounds();
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};
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class mapbrush_t;
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qplane3d Face_Plane(const face_t *face);
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qplane3d Face_Plane(const side_t *face);
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enum class rotation_t
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{
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none,
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hipnotic,
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origin_brush
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};
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std::optional<bspbrush_t> LoadBrush(const mapentity_t *src, const mapbrush_t *mapbrush, const contentflags_t &contents,
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const qvec3d &rotate_offset, const rotation_t rottype, const int hullnum);
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void FreeBrushes(mapentity_t *ent);
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int FindPlane(const qplane3d &plane, planeside_t *side);
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int FindPositivePlane(int planenum);
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int FindPositivePlane(const qplane3d &plane, planeside_t *side);
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