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ericw-tools/include/common/bspfile_q2.hh

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/* Copyright (C) 1996-1997 Id Software, Inc.
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 <cinttypes>
#include <array>
#include <iosfwd>
#include <vector>
#include <string>
#include <common/qvec.hh>
#include <common/bitflags.hh>
#include <common/bspfile_common.hh>
constexpr int32_t Q2_BSPVERSION = 38;
constexpr int32_t Q2_BSPIDENT = (('P' << 24) + ('S' << 16) + ('B' << 8) + 'I');
constexpr int32_t Q2_QBISMIDENT = (('P' << 24) + ('S' << 16) + ('B' << 8) + 'Q');
enum q2_lump_t
{
Q2_LUMP_ENTITIES,
Q2_LUMP_PLANES,
Q2_LUMP_VERTEXES,
Q2_LUMP_VISIBILITY,
Q2_LUMP_NODES,
Q2_LUMP_TEXINFO,
Q2_LUMP_FACES,
Q2_LUMP_LIGHTING,
Q2_LUMP_LEAFS,
Q2_LUMP_LEAFFACES,
Q2_LUMP_LEAFBRUSHES,
Q2_LUMP_EDGES,
Q2_LUMP_SURFEDGES,
Q2_LUMP_MODELS,
Q2_LUMP_BRUSHES,
Q2_LUMP_BRUSHSIDES,
Q2_LUMP_POP,
Q2_LUMP_AREAS,
Q2_LUMP_AREAPORTALS,
Q2_HEADER_LUMPS
};
struct q2_dheader_t
{
int32_t ident;
int32_t version;
std::array<lump_t, Q2_HEADER_LUMPS> lumps;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dmodel_t
{
qvec3f mins;
qvec3f maxs;
qvec3f origin; // for sounds or lights
int32_t headnode;
int32_t firstface;
int32_t numfaces; // submodels just draw faces
// without walking the bsp tree
q2_dmodel_t() = default;
// convert from mbsp_t
q2_dmodel_t(const dmodelh2_t &model);
// convert to mbsp_t
operator dmodelh2_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
// Q2 contents (from qfiles.h)
// contents flags are seperate bits
// a given brush can contribute multiple content bits
// multiple brushes can be in a single leaf
// lower bits are stronger, and will eat weaker brushes completely
enum q2_contents_t : int32_t
{
Q2_CONTENTS_EMPTY = 0,
Q2_CONTENTS_SOLID = nth_bit(0), // an eye is never valid in a solid
Q2_CONTENTS_WINDOW = nth_bit(1), // translucent, but not watery
Q2_CONTENTS_AUX = nth_bit(2),
Q2_CONTENTS_LAVA = nth_bit(3),
Q2_CONTENTS_SLIME = nth_bit(4),
Q2_CONTENTS_WATER = nth_bit(5),
Q2_CONTENTS_MIST = nth_bit(6),
Q2_CONTENTS_UNUSED_7 = nth_bit(7),
Q2_CONTENTS_UNUSED_8 = nth_bit(8),
Q2_CONTENTS_UNUSED_9 = nth_bit(9),
Q2_CONTENTS_UNUSED_10 = nth_bit(10),
Q2_CONTENTS_UNUSED_11 = nth_bit(11),
Q2_CONTENTS_UNUSED_12 = nth_bit(12),
Q2_CONTENTS_NO_WATERJUMP = nth_bit(13), // liquid-only; re-release
Q2_CONTENTS_PROJECTILECLIP = nth_bit(14), // like playerclip/monsterclip, but only affects projectiles
Q2_LAST_VISIBLE_CONTENTS = Q2_CONTENTS_MIST,
Q2_ALL_VISIBLE_CONTENTS = Q2_CONTENTS_SOLID | Q2_CONTENTS_WINDOW | Q2_CONTENTS_AUX | Q2_CONTENTS_LAVA |
Q2_CONTENTS_SLIME | Q2_CONTENTS_WATER | Q2_CONTENTS_MIST,
Q2_CONTENTS_LIQUID = (Q2_CONTENTS_LAVA | Q2_CONTENTS_SLIME | Q2_CONTENTS_WATER), // mxd
// remaining contents are non-visible, and don't eat brushes
Q2_CONTENTS_AREAPORTAL = nth_bit(15),
Q2_CONTENTS_PLAYERCLIP = nth_bit(16),
Q2_CONTENTS_MONSTERCLIP = nth_bit(17),
// currents can be added to any other contents, and may be mixed
Q2_CONTENTS_CURRENT_0 = nth_bit(18),
Q2_CONTENTS_CURRENT_90 = nth_bit(19),
Q2_CONTENTS_CURRENT_180 = nth_bit(20),
Q2_CONTENTS_CURRENT_270 = nth_bit(21),
Q2_CONTENTS_CURRENT_UP = nth_bit(22),
Q2_CONTENTS_CURRENT_DOWN = nth_bit(23),
Q2_CONTENTS_ORIGIN = nth_bit(24), // removed before bsping an entity
Q2_CONTENTS_MONSTER = nth_bit(25), // should never be on a brush, only in game
Q2_CONTENTS_DEADMONSTER = nth_bit(26),
Q2_CONTENTS_DETAIL = nth_bit(27), // brushes to be added after vis leafs
Q2_CONTENTS_TRANSLUCENT = nth_bit(28), // auto set if any surface has trans
Q2_CONTENTS_LADDER = nth_bit(29),
Q2_CONTENTS_UNUSED_30 = nth_bit(30),
Q2_CONTENTS_UNUSED_31 = nth_bit(31)
};
struct q2_dnode_t
{
int32_t planenum;
std::array<int32_t, 2> children; // negative numbers are -(leafs+1), not nodes
qvec3s mins; // for frustom culling
qvec3s maxs;
uint16_t firstface;
uint16_t numfaces; // counting both sides
q2_dnode_t() = default;
// convert from mbsp_t
q2_dnode_t(const bsp2_dnode_t &model);
// convert to mbsp_t
operator bsp2_dnode_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
using q2_dnode_qbism_t = bsp2_dnode_t;
// Q2 Texture flags.
enum q2_surf_flags_t : int32_t
{
Q2_SURF_LIGHT = nth_bit(0), // value will hold the light strength
Q2_SURF_SLICK = nth_bit(1), // effects game physics
Q2_SURF_SKY = nth_bit(2), // don't draw, but add to skybox
Q2_SURF_WARP = nth_bit(3), // turbulent water warp
Q2_SURF_TRANS33 = nth_bit(4),
Q2_SURF_TRANS66 = nth_bit(5),
Q2_SURF_FLOWING = nth_bit(6), // scroll towards angle
Q2_SURF_NODRAW = nth_bit(7), // don't bother referencing the texture
Q2_SURF_HINT = nth_bit(8), // make a primary bsp splitter
Q2_SURF_SKIP = nth_bit(9), // ONLY FOR HINT! "nodraw" = Q1 "skip"
Q2_SURF_ALPHATEST = nth_bit(25), // Paril, KMQ2 flag
};
struct q2_texinfo_t
{
texvecf vecs; // [s/t][xyz offset]
int32_t flags; // miptex flags + overrides
int32_t value; // light emission, etc
std::array<char, 32> texture; // texture name (textures/*.wal)
int32_t nexttexinfo; // for animations, -1 = end of chain
q2_texinfo_t() = default;
// convert from mbsp_t
q2_texinfo_t(const mtexinfo_t &model);
// convert to mbsp_t
operator mtexinfo_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dface_t
{
uint16_t planenum; // NOTE: only difference from bsp29_dface_t
int16_t side;
int32_t firstedge; // we must support > 64k edges
int16_t numedges;
int16_t texinfo;
// lighting info
std::array<uint8_t, MAXLIGHTMAPS> styles;
int32_t lightofs; // start of [numstyles*surfsize] samples
q2_dface_t() = default;
// convert from mbsp_t
q2_dface_t(const mface_t &model);
// convert to mbsp_t
operator mface_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dface_qbism_t
{
uint32_t planenum; // NOTE: only difference from bsp2_dface_t
int32_t side;
int32_t firstedge; // we must support > 64k edges
int32_t numedges;
int32_t texinfo;
// lighting info
std::array<uint8_t, MAXLIGHTMAPS> styles;
int32_t lightofs; // start of [numstyles*surfsize] samples
q2_dface_qbism_t() = default;
// convert from mbsp_t
q2_dface_qbism_t(const mface_t &model);
// convert to mbsp_t
operator mface_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dleaf_t
{
int32_t contents; // OR of all brushes (not needed?)
int16_t cluster;
int16_t area;
qvec3s mins; // for frustum culling
qvec3s maxs;
uint16_t firstleafface;
uint16_t numleaffaces;
uint16_t firstleafbrush;
uint16_t numleafbrushes;
q2_dleaf_t() = default;
// convert from mbsp_t
q2_dleaf_t(const mleaf_t &model);
// convert to mbsp_t
operator mleaf_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dleaf_qbism_t
{
int32_t contents; // OR of all brushes (not needed?)
int32_t cluster;
int32_t area;
qvec3f mins; // for frustum culling
qvec3f maxs;
uint32_t firstleafface;
uint32_t numleaffaces;
uint32_t firstleafbrush;
uint32_t numleafbrushes;
q2_dleaf_qbism_t() = default;
// convert from mbsp_t
q2_dleaf_qbism_t(const mleaf_t &model);
// convert to mbsp_t
operator mleaf_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
struct q2_dbrushside_t
{
uint16_t planenum; // facing out of the leaf
int16_t texinfo;
q2_dbrushside_t() = default;
// convert from mbsp_t
q2_dbrushside_t(const q2_dbrushside_qbism_t &model);
// convert to mbsp_t
operator q2_dbrushside_qbism_t() const;
// serialize for streams
void stream_write(std::ostream &s) const;
void stream_read(std::istream &s);
};
// type tag used for type inference
struct q2bsp_tag_t
{
};
struct q2bsp_t : q2bsp_tag_t
{
std::vector<q2_dmodel_t> dmodels;
mvis_t dvis;
std::vector<uint8_t> dlightdata;
std::string dentdata;
std::vector<q2_dleaf_t> dleafs;
std::vector<dplane_t> dplanes;
std::vector<qvec3f> dvertexes;
std::vector<q2_dnode_t> dnodes;
std::vector<q2_texinfo_t> texinfo;
std::vector<q2_dface_t> dfaces;
std::vector<bsp29_dedge_t> dedges;
std::vector<uint16_t> dleaffaces;
std::vector<uint16_t> dleafbrushes;
std::vector<int32_t> dsurfedges;
std::vector<darea_t> dareas;
std::vector<dareaportal_t> dareaportals;
std::vector<dbrush_t> dbrushes;
std::vector<q2_dbrushside_t> dbrushsides;
};
struct q2bsp_qbism_t : q2bsp_tag_t
{
std::vector<q2_dmodel_t> dmodels;
mvis_t dvis;
std::vector<uint8_t> dlightdata;
std::string dentdata;
std::vector<q2_dleaf_qbism_t> dleafs;
std::vector<dplane_t> dplanes;
std::vector<qvec3f> dvertexes;
std::vector<q2_dnode_qbism_t> dnodes;
std::vector<q2_texinfo_t> texinfo;
std::vector<q2_dface_qbism_t> dfaces;
std::vector<bsp2_dedge_t> dedges;
std::vector<uint32_t> dleaffaces;
std::vector<uint32_t> dleafbrushes;
std::vector<int32_t> dsurfedges;
std::vector<darea_t> dareas;
std::vector<dareaportal_t> dareaportals;
std::vector<dbrush_t> dbrushes;
std::vector<q2_dbrushside_qbism_t> dbrushsides;
};
extern const bspversion_t bspver_q2;
extern const bspversion_t bspver_qbism;
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