398 lines
10 KiB
C++
398 lines
10 KiB
C++
/* Copyright (C) 1996-1997 Id Software, Inc.
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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 <cinttypes>
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#include <array>
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#include <iosfwd>
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#include <vector>
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#include <string>
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#include <common/qvec.hh>
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#include <common/bitflags.hh>
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constexpr int32_t Q2_BSPVERSION = 38;
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constexpr int32_t Q2_BSPIDENT = (('P' << 24) + ('S' << 16) + ('B' << 8) + 'I');
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constexpr int32_t Q2_QBISMIDENT = (('P' << 24) + ('S' << 16) + ('B' << 8) + 'Q');
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enum q2_lump_t
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{
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Q2_LUMP_ENTITIES,
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Q2_LUMP_PLANES,
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Q2_LUMP_VERTEXES,
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Q2_LUMP_VISIBILITY,
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Q2_LUMP_NODES,
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Q2_LUMP_TEXINFO,
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Q2_LUMP_FACES,
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Q2_LUMP_LIGHTING,
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Q2_LUMP_LEAFS,
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Q2_LUMP_LEAFFACES,
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Q2_LUMP_LEAFBRUSHES,
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Q2_LUMP_EDGES,
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Q2_LUMP_SURFEDGES,
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Q2_LUMP_MODELS,
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Q2_LUMP_BRUSHES,
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Q2_LUMP_BRUSHSIDES,
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Q2_LUMP_POP,
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Q2_LUMP_AREAS,
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Q2_LUMP_AREAPORTALS,
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Q2_HEADER_LUMPS
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};
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struct q2_dheader_t
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{
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int32_t ident;
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int32_t version;
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std::array<lump_t, Q2_HEADER_LUMPS> lumps;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dmodel_t
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{
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qvec3f mins;
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qvec3f maxs;
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qvec3f origin; // for sounds or lights
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int32_t headnode;
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int32_t firstface;
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int32_t numfaces; // submodels just draw faces
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// without walking the bsp tree
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q2_dmodel_t() = default;
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// convert from mbsp_t
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q2_dmodel_t(const dmodelh2_t &model);
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// convert to mbsp_t
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operator dmodelh2_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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// Q2 contents (from qfiles.h)
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// contents flags are seperate bits
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// a given brush can contribute multiple content bits
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// multiple brushes can be in a single leaf
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// lower bits are stronger, and will eat weaker brushes completely
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enum q2_contents_t : int32_t
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{
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Q2_CONTENTS_EMPTY = 0,
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Q2_CONTENTS_SOLID = nth_bit(0), // an eye is never valid in a solid
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Q2_CONTENTS_WINDOW = nth_bit(1), // translucent, but not watery
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Q2_CONTENTS_AUX = nth_bit(2),
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Q2_CONTENTS_LAVA = nth_bit(3),
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Q2_CONTENTS_SLIME = nth_bit(4),
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Q2_CONTENTS_WATER = nth_bit(5),
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Q2_CONTENTS_MIST = nth_bit(6),
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Q2_CONTENTS_UNUSED_7 = nth_bit(7),
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Q2_CONTENTS_UNUSED_8 = nth_bit(8),
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Q2_CONTENTS_UNUSED_9 = nth_bit(9),
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Q2_CONTENTS_UNUSED_10 = nth_bit(10),
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Q2_CONTENTS_UNUSED_11 = nth_bit(11),
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Q2_CONTENTS_UNUSED_12 = nth_bit(12),
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Q2_CONTENTS_UNUSED_13 = nth_bit(13),
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Q2_CONTENTS_UNUSED_14 = nth_bit(14),
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Q2_LAST_VISIBLE_CONTENTS = Q2_CONTENTS_MIST,
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Q2_ALL_VISIBLE_CONTENTS = Q2_CONTENTS_SOLID | Q2_CONTENTS_WINDOW | Q2_CONTENTS_AUX | Q2_CONTENTS_LAVA |
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Q2_CONTENTS_SLIME | Q2_CONTENTS_WATER | Q2_CONTENTS_MIST,
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Q2_CONTENTS_LIQUID = (Q2_CONTENTS_LAVA | Q2_CONTENTS_SLIME | Q2_CONTENTS_WATER), // mxd
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// remaining contents are non-visible, and don't eat brushes
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Q2_CONTENTS_AREAPORTAL = nth_bit(15),
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Q2_CONTENTS_PLAYERCLIP = nth_bit(16),
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Q2_CONTENTS_MONSTERCLIP = nth_bit(17),
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// currents can be added to any other contents, and may be mixed
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Q2_CONTENTS_CURRENT_0 = nth_bit(18),
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Q2_CONTENTS_CURRENT_90 = nth_bit(19),
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Q2_CONTENTS_CURRENT_180 = nth_bit(20),
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Q2_CONTENTS_CURRENT_270 = nth_bit(21),
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Q2_CONTENTS_CURRENT_UP = nth_bit(22),
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Q2_CONTENTS_CURRENT_DOWN = nth_bit(23),
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Q2_CONTENTS_ORIGIN = nth_bit(24), // removed before bsping an entity
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Q2_CONTENTS_MONSTER = nth_bit(25), // should never be on a brush, only in game
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Q2_CONTENTS_DEADMONSTER = nth_bit(26),
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Q2_CONTENTS_DETAIL = nth_bit(27), // brushes to be added after vis leafs
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Q2_CONTENTS_TRANSLUCENT = nth_bit(28), // auto set if any surface has trans
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Q2_CONTENTS_LADDER = nth_bit(29),
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Q2_CONTENTS_UNUSED_30 = nth_bit(30),
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Q2_CONTENTS_UNUSED_31 = nth_bit(31)
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};
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struct q2_dnode_t
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{
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int32_t planenum;
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std::array<int32_t, 2> children; // negative numbers are -(leafs+1), not nodes
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qvec3s mins; // for frustom culling
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qvec3s maxs;
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uint16_t firstface;
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uint16_t numfaces; // counting both sides
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q2_dnode_t() = default;
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// convert from mbsp_t
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q2_dnode_t(const bsp2_dnode_t &model);
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// convert to mbsp_t
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operator bsp2_dnode_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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using q2_dnode_qbism_t = bsp2_dnode_t;
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// Q2 Texture flags.
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enum q2_surf_flags_t : int32_t
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{
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Q2_SURF_LIGHT = nth_bit(0), // value will hold the light strength
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Q2_SURF_SLICK = nth_bit(1), // effects game physics
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Q2_SURF_SKY = nth_bit(2), // don't draw, but add to skybox
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Q2_SURF_WARP = nth_bit(3), // turbulent water warp
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Q2_SURF_TRANS33 = nth_bit(4),
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Q2_SURF_TRANS66 = nth_bit(5),
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Q2_SURF_FLOWING = nth_bit(6), // scroll towards angle
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Q2_SURF_NODRAW = nth_bit(7), // don't bother referencing the texture
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Q2_SURF_HINT = nth_bit(8), // make a primary bsp splitter
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Q2_SURF_SKIP = nth_bit(9), // ONLY FOR HINT! "nodraw" = Q1 "skip"
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Q2_SURF_ALPHATEST = nth_bit(25), // Paril, KMQ2 flag
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};
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struct q2_texinfo_t
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{
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texvecf vecs; // [s/t][xyz offset]
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int32_t flags; // miptex flags + overrides
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int32_t value; // light emission, etc
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std::array<char, 32> texture; // texture name (textures/*.wal)
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int32_t nexttexinfo; // for animations, -1 = end of chain
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q2_texinfo_t() = default;
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// convert from mbsp_t
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q2_texinfo_t(const mtexinfo_t &model);
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// convert to mbsp_t
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operator mtexinfo_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dface_t
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{
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uint16_t planenum; // NOTE: only difference from bsp29_dface_t
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int16_t side;
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int32_t firstedge; // we must support > 64k edges
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int16_t numedges;
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int16_t texinfo;
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// lighting info
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std::array<uint8_t, MAXLIGHTMAPS> styles;
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int32_t lightofs; // start of [numstyles*surfsize] samples
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q2_dface_t() = default;
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// convert from mbsp_t
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q2_dface_t(const mface_t &model);
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// convert to mbsp_t
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operator mface_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dface_qbism_t
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{
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uint32_t planenum; // NOTE: only difference from bsp2_dface_t
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int32_t side;
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int32_t firstedge; // we must support > 64k edges
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int32_t numedges;
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int32_t texinfo;
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// lighting info
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std::array<uint8_t, MAXLIGHTMAPS> styles;
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int32_t lightofs; // start of [numstyles*surfsize] samples
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q2_dface_qbism_t() = default;
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// convert from mbsp_t
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q2_dface_qbism_t(const mface_t &model);
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// convert to mbsp_t
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operator mface_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dleaf_t
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{
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int32_t contents; // OR of all brushes (not needed?)
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int16_t cluster;
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int16_t area;
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qvec3s mins; // for frustum culling
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qvec3s maxs;
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uint16_t firstleafface;
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uint16_t numleaffaces;
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uint16_t firstleafbrush;
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uint16_t numleafbrushes;
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q2_dleaf_t() = default;
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// convert from mbsp_t
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q2_dleaf_t(const mleaf_t &model);
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// convert to mbsp_t
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operator mleaf_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dleaf_qbism_t
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{
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int32_t contents; // OR of all brushes (not needed?)
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int32_t cluster;
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int32_t area;
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qvec3f mins; // for frustum culling
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qvec3f maxs;
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uint32_t firstleafface;
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uint32_t numleaffaces;
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uint32_t firstleafbrush;
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uint32_t numleafbrushes;
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q2_dleaf_qbism_t() = default;
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// convert from mbsp_t
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q2_dleaf_qbism_t(const mleaf_t &model);
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// convert to mbsp_t
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operator mleaf_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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struct q2_dbrushside_t
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{
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uint16_t planenum; // facing out of the leaf
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int16_t texinfo;
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q2_dbrushside_t() = default;
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// convert from mbsp_t
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q2_dbrushside_t(const q2_dbrushside_qbism_t &model);
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// convert to mbsp_t
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operator q2_dbrushside_qbism_t() const;
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// serialize for streams
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void stream_write(std::ostream &s) const;
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void stream_read(std::istream &s);
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};
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// type tag used for type inference
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struct q2bsp_tag_t
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{
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};
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struct q2bsp_t : q2bsp_tag_t
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{
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std::vector<q2_dmodel_t> dmodels;
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mvis_t dvis;
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std::vector<uint8_t> dlightdata;
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std::string dentdata;
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std::vector<q2_dleaf_t> dleafs;
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std::vector<dplane_t> dplanes;
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std::vector<qvec3f> dvertexes;
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std::vector<q2_dnode_t> dnodes;
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std::vector<q2_texinfo_t> texinfo;
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std::vector<q2_dface_t> dfaces;
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std::vector<bsp29_dedge_t> dedges;
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std::vector<uint16_t> dleaffaces;
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std::vector<uint16_t> dleafbrushes;
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std::vector<int32_t> dsurfedges;
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std::vector<darea_t> dareas;
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std::vector<dareaportal_t> dareaportals;
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std::vector<dbrush_t> dbrushes;
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std::vector<q2_dbrushside_t> dbrushsides;
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};
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struct q2bsp_qbism_t : q2bsp_tag_t
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{
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std::vector<q2_dmodel_t> dmodels;
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mvis_t dvis;
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std::vector<uint8_t> dlightdata;
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std::string dentdata;
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std::vector<q2_dleaf_qbism_t> dleafs;
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std::vector<dplane_t> dplanes;
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std::vector<qvec3f> dvertexes;
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std::vector<q2_dnode_qbism_t> dnodes;
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std::vector<q2_texinfo_t> texinfo;
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std::vector<q2_dface_qbism_t> dfaces;
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std::vector<bsp2_dedge_t> dedges;
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std::vector<uint32_t> dleaffaces;
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std::vector<uint32_t> dleafbrushes;
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std::vector<int32_t> dsurfedges;
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std::vector<darea_t> dareas;
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std::vector<dareaportal_t> dareaportals;
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std::vector<dbrush_t> dbrushes;
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std::vector<q2_dbrushside_qbism_t> dbrushsides;
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};
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extern const bspversion_t bspver_q2;
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extern const bspversion_t bspver_qbism;
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