og-odamex/common/p_compdb.cpp
Mia McMahill ff17966188 Create basic table of compatibility hacks for old maps based on map hashes.
Also make sure to clear extended linedef flags if ML_RESERVED is set. This removes the need for special handling for E2M7 and many other maps.
2026-02-01 16:16:18 -06:00

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C++

// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id$
//
// Copyright (C) 1998-2006 by Randy Heit (ZDoom).
// Copyright (C) 2006-2026 by The Odamex Team.
//
// 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.
//
// DESCRIPTION:
// Compatibility hacks for older maps that won't be updated
//
//-----------------------------------------------------------------------------
#include "odamex.h"
#include "g_level.h"
#include "p_compdb.h"
template <>
struct std::hash<fhfprint_t>
{
constexpr size_t operator()(const fhfprint_t& f) const noexcept
{
const size_t halfhash = (size_t)(f.fingerprint[0]) |
(size_t)(f.fingerprint[1]) << 8 |
(size_t)(f.fingerprint[2]) << 16 |
(size_t)(f.fingerprint[3]) << 24 |
(size_t)(f.fingerprint[4]) << 32 |
(size_t)(f.fingerprint[5]) << 40 |
(size_t)(f.fingerprint[6]) << 48 |
(size_t)(f.fingerprint[7]) << 56;
return halfhash;
}
};
static const std::unordered_map<fhfprint_t, levelcompdata_t> compdata = {
{
// Congestion 1024 MAP23
fhfprint_t::fromString("b0b0b3a99c2ed6780a5a79b325dcc5ca"),
{
// TODO C++20: use designated initializers for readability here
true // reservedLineFlag
}
},
{
// UDMX MAP32
fhfprint_t::fromString("c13f47bbcca3fc2d5013c17a604af645"),
{
true // reservedLineFlag
}
},
};
const levelcompdata_t& P_GetLevelCompData(fhfprint_t fingerprint)
{
const auto it = compdata.find(fingerprint);
if (it != compdata.end())
return it->second;
static constexpr levelcompdata_t defaultData{};
return defaultData;
}
VERSION_CONTROL (p_compdb_cpp, "$Id$")