mirror of
https://github.com/DrBeef/Raze.git
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549 lines
15 KiB
C++
549 lines
15 KiB
C++
/*
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** maploader.cpp
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**
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** Map loader for non-Blood maps
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**
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**---------------------------------------------------------------------------
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** Copyright 2020 Christoph Oelckers
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** 2. Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in the
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** documentation and/or other materials provided with the distribution.
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** 3. The name of the author may not be used to endorse or promote products
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** derived from this software without specific prior written permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**---------------------------------------------------------------------------
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**
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*/
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#include <stdint.h>
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#include "build.h"
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#include "files.h"
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#include "automap.h"
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#include "printf.h"
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#include "inputstate.h"
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#include "md4.h"
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#include "coreactor.h"
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#include "gamecontrol.h"
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#include "gamefuncs.h"
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#include "sectorgeometry.h"
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#include "render.h"
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#include "hw_sections.h"
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#include "interpolate.h"
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#include "games/blood/src/mapstructs.h"
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// needed for skipping over to get the map size first.
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enum
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{
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sectorsize5 = 37,
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sectorsize6 = 37,
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sectorsize7 = 40,
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wallsize5 = 35,
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wallsize6 = 32,
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wallsize7 = 32,
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};
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// This arena stores the larger allocated game-specific extension data. Since this can be freed in bulk a memory arena is better suited than malloc.
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static FMemArena mapDataArena;
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void walltype::allocX()
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{
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using XWALL = BLD_NS::XWALL;
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_xw = (XWALL*)mapDataArena.Alloc(sizeof(XWALL));
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memset(_xw, 0, sizeof(XWALL));
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}
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void sectortype::allocX()
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{
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using XSECTOR = BLD_NS::XSECTOR;
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_xs = (XSECTOR*)mapDataArena.Alloc(sizeof(XSECTOR));
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memset(_xs, 0, sizeof(XSECTOR));
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}
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static void ReadSectorV7(FileReader& fr, sectortype& sect)
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{
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sect.wallptr = fr.ReadInt16();
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sect.wallnum = fr.ReadInt16();
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sect.ceilingz = fr.ReadInt32();
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sect.floorz = fr.ReadInt32();
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sect.ceilingstat = fr.ReadUInt16();
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sect.floorstat = fr.ReadUInt16();
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sect.ceilingpicnum = fr.ReadUInt16();
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sect.ceilingheinum = fr.ReadInt16();
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sect.ceilingshade = fr.ReadInt8();
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sect.ceilingpal = fr.ReadUInt8();
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sect.ceilingxpan_ = fr.ReadUInt8();
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sect.ceilingypan_ = fr.ReadUInt8();
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sect.floorpicnum = fr.ReadUInt16();
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sect.floorheinum = fr.ReadInt16();
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sect.floorshade = fr.ReadInt8();
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sect.floorpal = fr.ReadUInt8();
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sect.floorxpan_ = fr.ReadUInt8();
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sect.floorypan_ = fr.ReadUInt8();
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sect.visibility = fr.ReadUInt8();
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sect.fogpal = fr.ReadUInt8(); // note: currently unused, except for Blood.
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sect.lotag = fr.ReadInt16();
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sect.hitag = fr.ReadInt16();
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sect.extra = fr.ReadInt16();
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}
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static void ReadSectorV6(FileReader& fr, sectortype& sect)
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{
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sect.wallptr = fr.ReadUInt16();
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sect.wallnum = fr.ReadUInt16();
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sect.ceilingpicnum = fr.ReadUInt16();
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sect.floorpicnum = fr.ReadUInt16();
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sect.ceilingheinum = clamp(fr.ReadInt16() << 5, -32768, 32767);
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sect.floorheinum = clamp(fr.ReadInt16() << 5, -32768, 32767);
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sect.ceilingz = fr.ReadInt32();
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sect.floorz = fr.ReadInt32();
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sect.ceilingshade = fr.ReadInt8();
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sect.floorshade = fr.ReadInt8();
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sect.ceilingxpan_ = fr.ReadUInt8();
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sect.floorxpan_ = fr.ReadUInt8();
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sect.ceilingypan_ = fr.ReadUInt8();
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sect.floorypan_ = fr.ReadUInt8();
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sect.ceilingstat = fr.ReadUInt8();
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sect.floorstat = fr.ReadUInt8();
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sect.ceilingpal = fr.ReadUInt8();
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sect.floorpal = fr.ReadUInt8();
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sect.visibility = fr.ReadUInt8();
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sect.lotag = fr.ReadInt16();
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sect.hitag = fr.ReadInt16();
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sect.extra = fr.ReadInt16();
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}
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static void ReadSectorV5(FileReader& fr, sectortype& sect)
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{
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sect.wallptr = fr.ReadInt16();
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sect.wallnum = fr.ReadInt16();
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sect.ceilingpicnum = fr.ReadUInt16();
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sect.floorpicnum = fr.ReadUInt16();
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sect.ceilingheinum = clamp(fr.ReadInt16() << 5, -32768, 32767);
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sect.floorheinum = clamp(fr.ReadInt16() << 5, -32768, 32767);
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sect.ceilingz = fr.ReadInt32();
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sect.floorz = fr.ReadInt32();
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sect.ceilingshade = fr.ReadInt8();
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sect.floorshade = fr.ReadInt8();
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sect.ceilingxpan_ = fr.ReadUInt8();
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sect.floorxpan_ = fr.ReadUInt8();
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sect.ceilingypan_ = fr.ReadUInt8();
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sect.floorypan_ = fr.ReadUInt8();
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sect.ceilingstat = fr.ReadUInt8();
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sect.floorstat = fr.ReadUInt8();
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sect.ceilingpal = fr.ReadUInt8();
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sect.floorpal = fr.ReadUInt8();
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sect.visibility = fr.ReadUInt8();
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sect.lotag = fr.ReadInt16();
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sect.hitag = fr.ReadInt16();
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sect.extra = fr.ReadInt16();
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if ((sect.ceilingstat & 2) == 0) sect.ceilingheinum = 0;
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if ((sect.floorstat & 2) == 0) sect.floorheinum = 0;
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}
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static void ReadWallV7(FileReader& fr, walltype& wall)
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{
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wall.pos.x = fr.ReadInt32();
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wall.pos.y = fr.ReadInt32();
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wall.point2 = fr.ReadInt16();
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wall.nextwall = fr.ReadInt16();
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wall.nextsector = fr.ReadInt16();
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wall.cstat = fr.ReadUInt16();
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wall.picnum = fr.ReadInt16();
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wall.overpicnum = fr.ReadInt16();
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wall.shade = fr.ReadInt8();
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wall.pal = fr.ReadUInt8();
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wall.xrepeat = fr.ReadUInt8();
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wall.yrepeat = fr.ReadUInt8();
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wall.xpan_ = fr.ReadUInt8();
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wall.ypan_ = fr.ReadUInt8();
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wall.lotag = fr.ReadInt16();
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wall.hitag = fr.ReadInt16();
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wall.extra = fr.ReadInt16();
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}
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static void ReadWallV6(FileReader& fr, walltype& wall)
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{
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wall.pos.x = fr.ReadInt32();
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wall.pos.y = fr.ReadInt32();
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wall.point2 = fr.ReadInt16();
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wall.nextsector = fr.ReadInt16();
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wall.nextwall = fr.ReadInt16();
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wall.picnum = fr.ReadInt16();
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wall.overpicnum = fr.ReadInt16();
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wall.shade = fr.ReadInt8();
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wall.pal = fr.ReadUInt8();
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wall.cstat = fr.ReadUInt16();
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wall.xrepeat = fr.ReadUInt8();
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wall.yrepeat = fr.ReadUInt8();
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wall.xpan_ = fr.ReadUInt8();
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wall.ypan_ = fr.ReadUInt8();
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wall.lotag = fr.ReadInt16();
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wall.hitag = fr.ReadInt16();
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wall.extra = fr.ReadInt16();
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}
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static void ReadWallV5(FileReader& fr, walltype& wall)
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{
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wall.pos.x = fr.ReadInt32();
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wall.pos.y = fr.ReadInt32();
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wall.point2 = fr.ReadInt16();
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wall.picnum = fr.ReadInt16();
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wall.overpicnum = fr.ReadInt16();
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wall.shade = fr.ReadInt8();
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wall.cstat = fr.ReadUInt16();
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wall.xrepeat = fr.ReadUInt8();
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wall.yrepeat = fr.ReadUInt8();
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wall.xpan_ = fr.ReadUInt8();
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wall.ypan_ = fr.ReadUInt8();
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wall.nextsector = fr.ReadInt16();
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wall.nextwall = fr.ReadInt16();
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fr.Seek(4, FileReader::SeekSet); // skip over 2 unused 16 bit values
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wall.lotag = fr.ReadInt16();
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wall.hitag = fr.ReadInt16();
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wall.extra = fr.ReadInt16();
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}
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static void SetWallPalV5()
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{
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for (int i = 0; i < numsectors; i++)
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{
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int startwall = sector[i].wallptr;
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int endwall = startwall + sector[i].wallnum;
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for (int w = startwall; w < endwall; w++)
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{
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wall[w].pal = sector[i].floorpal;
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}
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}
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}
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void ValidateSprite(spritetype& spr, int sectnum, int index)
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{
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bool bugged = false;
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if ((unsigned)spr.statnum >= MAXSTATUS)
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{
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Printf("Sprite #%d (%d,%d) has invalid statnum %d.\n", index, spr.x, spr.y, spr.statnum);
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bugged = true;
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}
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else if ((unsigned)spr.picnum >= MAXTILES)
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{
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Printf("Sprite #%d (%d,%d) has invalid picnum %d.\n", index, spr.x, spr.y, spr.picnum);
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bugged = true;
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}
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else if (!validSectorIndex(sectnum))
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{
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sectnum = -1;
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updatesector(spr.x, spr.y, §num);
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bugged = sectnum < 0;
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if (!DPrintf(DMSG_WARNING, "Sprite #%d (%d,%d) with invalid sector %d was corrected to sector %d\n", index, spr.x, spr.y, sectnum, sectnum))
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{
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if (bugged) Printf("Sprite #%d (%d,%d) with invalid sector %d\n", index, spr.x, spr.y, sectnum);
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}
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}
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if (bugged)
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{
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spr.clear();
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spr.statnum = MAXSTATUS;
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sectnum = -1;
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}
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spr.setsector(sectnum);
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}
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static void ReadSpriteV7(FileReader& fr, spritetype& spr, int& secno)
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{
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spr.pos.x = fr.ReadInt32();
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spr.pos.y = fr.ReadInt32();
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spr.pos.z = fr.ReadInt32();
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spr.cstat = fr.ReadUInt16();
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spr.picnum = fr.ReadInt16();
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spr.shade = fr.ReadInt8();
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spr.pal = fr.ReadUInt8();
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spr.clipdist = fr.ReadUInt8();
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spr.blend = fr.ReadUInt8();
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spr.xrepeat = fr.ReadUInt8();
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spr.yrepeat = fr.ReadUInt8();
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spr.xoffset = fr.ReadInt8();
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spr.yoffset = fr.ReadInt8();
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secno = fr.ReadInt16();
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spr.statnum = fr.ReadInt16();
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spr.ang = fr.ReadInt16();
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spr.owner = fr.ReadInt16();
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spr.xvel = fr.ReadInt16();
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spr.yvel = fr.ReadInt16();
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spr.zvel = fr.ReadInt16();
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spr.lotag = fr.ReadInt16();
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spr.hitag = fr.ReadInt16();
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spr.extra = fr.ReadInt16();
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spr.detail = 0;
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}
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static void ReadSpriteV6(FileReader& fr, spritetype& spr, int& secno)
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{
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spr.pos.x = fr.ReadInt32();
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spr.pos.y = fr.ReadInt32();
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spr.pos.z = fr.ReadInt32();
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spr.cstat = fr.ReadUInt16();
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spr.shade = fr.ReadInt8();
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spr.pal = fr.ReadUInt8();
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spr.clipdist = fr.ReadUInt8();
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spr.xrepeat = fr.ReadUInt8();
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spr.yrepeat = fr.ReadUInt8();
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spr.xoffset = fr.ReadInt8();
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spr.yoffset = fr.ReadInt8();
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spr.picnum = fr.ReadInt16();
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spr.ang = fr.ReadInt16();
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spr.xvel = fr.ReadInt16();
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spr.yvel = fr.ReadInt16();
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spr.zvel = fr.ReadInt16();
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spr.owner = fr.ReadInt16();
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secno = fr.ReadInt16();
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spr.statnum = fr.ReadInt16();
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spr.lotag = fr.ReadInt16();
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spr.hitag = fr.ReadInt16();
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spr.extra = fr.ReadInt16();
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spr.blend = 0;
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spr.detail = 0;
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}
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static void ReadSpriteV5(FileReader& fr, spritetype& spr, int& secno)
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{
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spr.pos.x = fr.ReadInt32();
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spr.pos.y = fr.ReadInt32();
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spr.pos.z = fr.ReadInt32();
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spr.cstat = fr.ReadUInt16();
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spr.shade = fr.ReadInt8();
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spr.xrepeat = fr.ReadUInt8();
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spr.yrepeat = fr.ReadUInt8();
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spr.picnum = fr.ReadInt16();
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spr.ang = fr.ReadInt16();
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spr.xvel = fr.ReadInt16();
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spr.yvel = fr.ReadInt16();
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spr.zvel = fr.ReadInt16();
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spr.owner = fr.ReadInt16();
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secno = fr.ReadInt16();
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spr.statnum = fr.ReadInt16();
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spr.lotag = fr.ReadInt16();
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spr.hitag = fr.ReadInt16();
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spr.extra = fr.ReadInt16();
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auto sec = spr.sector();
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if ((sec->ceilingstat & 1) > 0)
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spr.pal = sec->ceilingpal;
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else
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spr.pal = sec->floorpal;
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spr.blend = 0;
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spr.clipdist = 32;
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spr.xoffset = 0;
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spr.yoffset = 0;
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spr.detail = 0;
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}
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void addBlockingPairs();
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// allocates global map storage. Blood will also call this.
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void allocateMapArrays(int numsprites)
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{
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ClearInterpolations();
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show2dsector.Resize(numsectors);
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show2dwall.Resize(numwalls);
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mapDataArena.FreeAll();
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sector.Resize(numsectors);
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memset(sector.Data(), 0, sizeof(sectortype) * numsectors);
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wall.Resize(numwalls);
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memset(wall.Data(), 0, sizeof(walltype) * numwalls);
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ClearAutomap();
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}
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void engineLoadBoard(const char* filename, int flags, vec3_t* pos, int16_t* ang, int* cursectnum, SpawnSpriteDef& sprites)
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{
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inputState.ClearAllInput();
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FileReader fr = fileSystem.OpenFileReader(filename);
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if (!fr.isOpen()) I_Error("Unable to open map %s", filename);
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int mapversion = fr.ReadInt32();
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if (mapversion < 5 || mapversion > 9) // 9 is most likely useless but let's try anyway.
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{
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I_Error("%s: Invalid map format, expcted 5-9, got %d", filename, mapversion);
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}
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pos->x = fr.ReadInt32();
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pos->y = fr.ReadInt32();
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pos->z = fr.ReadInt32();
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*ang = fr.ReadInt16() & 2047;
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*cursectnum = fr.ReadUInt16();
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// Get the basics out before loading the data so that we can set up the global storage.
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numsectors = fr.ReadUInt16();
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auto sectorpos = fr.Tell();
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fr.Seek((mapversion == 5 ? sectorsize5 : mapversion == 6 ? sectorsize6 : sectorsize7) * numsectors, FileReader::SeekCur);
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numwalls = fr.ReadUInt16();
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auto wallpos = fr.Tell();
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fr.Seek((mapversion == 5 ? wallsize5 : mapversion == 6 ? wallsize6 : wallsize7)* numwalls, FileReader::SeekCur);
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int numsprites = fr.ReadUInt16();
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if ((unsigned)numsprites > MAXSPRITES) I_Error("%s: Invalid map, too many sprites", filename);
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auto spritepos = fr.Tell();
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// Now that we know the map's size, set up the globals.
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allocateMapArrays(numsprites);
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sprites.sprites.Resize(numsprites);
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memset(sprites.sprites.Data(), 0, numsprites * sizeof(spritetype));
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// Now load the actual data.
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fr.Seek(sectorpos, FileReader::SeekSet);
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for (int i = 0; i < numsectors; i++)
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{
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switch (mapversion)
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{
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case 5: ReadSectorV5(fr, sector[i]); break;
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case 6: ReadSectorV6(fr, sector[i]); break;
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default: ReadSectorV7(fr, sector[i]); break;
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}
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// If we do not do this here, we need to do a lot more contortions to exclude this default from getting written out to savegames.
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if (isExhumed())
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{
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sector[i].Sound = -1;
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}
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}
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fr.Seek(wallpos, FileReader::SeekSet);
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for (int i = 0; i < numwalls; i++)
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{
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switch (mapversion)
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{
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case 5: ReadWallV5(fr, wall[i]); break;
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case 6: ReadWallV6(fr, wall[i]); break;
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default: ReadWallV7(fr, wall[i]); break;
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}
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}
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fr.Seek(spritepos, FileReader::SeekSet);
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for (int i = 0; i < numsprites; i++)
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{
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int secno = -1;
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switch (mapversion)
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{
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case 5: ReadSpriteV5(fr, sprites.sprites[i], secno); break;
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case 6: ReadSpriteV6(fr, sprites.sprites[i], secno); break;
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default: ReadSpriteV7(fr, sprites.sprites[i], secno); break;
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}
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ValidateSprite(sprites.sprites[i], secno, i);
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}
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artSetupMapArt(filename);
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//Must be last.
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updatesector(pos->x, pos->y, cursectnum);
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guniqhudid = 0;
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fr.Seek(0, FileReader::SeekSet);
|
|
auto buffer = fr.Read();
|
|
unsigned char md4[16];
|
|
md4once(buffer.Data(), buffer.Size(), md4);
|
|
G_LoadMapHack(filename, md4, sprites);
|
|
setWallSectors();
|
|
hw_BuildSections();
|
|
sectorGeometry.SetSize(numsections);
|
|
|
|
|
|
wallbackup = wall;
|
|
sectorbackup = sector;
|
|
}
|
|
|
|
|
|
void qloadboard(const char* filename, char flags, vec3_t* dapos, int16_t* daang);
|
|
|
|
|
|
// loads a map into the backup buffer.
|
|
void loadMapBackup(const char* filename)
|
|
{
|
|
vec3_t pos;
|
|
int16_t scratch;
|
|
int scratch2;
|
|
SpawnSpriteDef scratch3;
|
|
|
|
if (isBlood())
|
|
{
|
|
qloadboard(filename, 0, &pos, &scratch);
|
|
}
|
|
else
|
|
{
|
|
engineLoadBoard(filename, 0, &pos, &scratch, &scratch2, scratch3);
|
|
}
|
|
}
|
|
|
|
// Sets the sector reference for each wall. We need this for the triangulation cache.
|
|
void setWallSectors()
|
|
{
|
|
int i = 0;
|
|
for(auto& sect : sectors())
|
|
{
|
|
sect.dirty = 255;
|
|
sect.exflags = 0;
|
|
for (auto& wal : wallsofsector(§))
|
|
{
|
|
wal.sector = i;
|
|
}
|
|
i++;
|
|
}
|
|
|
|
// validate 'nextsector' fields. Some maps have these wrong which can cause render glitches and occasionally even crashes.
|
|
for (auto& wal : walls())
|
|
{
|
|
if (wal.nextwall != -1)
|
|
{
|
|
if (wal.nextsector != wal.nextWall()->sector)
|
|
{
|
|
DPrintf(DMSG_ERROR, "Bad 'nextsector' reference %d on wall %d\n", wal.nextsector, i);
|
|
wal.nextsector = wal.nextWall()->sector;
|
|
}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
void MarkMap()
|
|
{
|
|
for (auto& stat : statList)
|
|
{
|
|
GC::Mark(stat.firstEntry);
|
|
GC::Mark(stat.lastEntry);
|
|
}
|
|
for (auto& sect : sectors())
|
|
{
|
|
GC::Mark(sect.firstEntry);
|
|
GC::Mark(sect.lastEntry);
|
|
if (isDukeLike()) GC::Mark(sect.hitagactor);
|
|
else if (isBlood())
|
|
{
|
|
GC::Mark(sect.upperLink);
|
|
GC::Mark(sect.lowerLink);
|
|
}
|
|
}
|
|
}
|