1590 lines
52 KiB
C++
1590 lines
52 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Code to handle multiple missions
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*
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*/
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#include <algorithm>
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#include <vector>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <limits.h>
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#include "pstypes.h"
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#include "strutil.h"
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#include "inferno.h"
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#include "window.h"
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#include "mission.h"
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#include "gamesave.h"
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#include "piggy.h"
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#include "console.h"
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#include "polyobj.h"
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#include "dxxerror.h"
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#include "config.h"
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#include "newmenu.h"
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#include "text.h"
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#include "u_mem.h"
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#include "ignorecase.h"
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#include "physfsx.h"
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#include "physfs_list.h"
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#include "event.h"
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#if defined(DXX_BUILD_DESCENT_II)
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#include "movie.h"
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#endif
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#include "null_sentinel_iterator.h"
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#include "compiler-poison.h"
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#include "compiler-range_for.h"
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#include "d_enumerate.h"
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#include "d_zip.h"
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#include <memory>
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#define BIMD1_BRIEFING_FILE "briefing.txb"
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using std::min;
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#define MISSION_EXTENSION_DESCENT_I ".msn"
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#if defined(DXX_BUILD_DESCENT_II)
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#define MISSION_EXTENSION_DESCENT_II ".mn2"
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#endif
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#define CON_PRIORITY_DEBUG_MISSION_LOAD CON_DEBUG
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namespace {
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using mission_candidate_search_path = std::array<char, PATH_MAX>;
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}
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namespace dsx {
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namespace {
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struct mle;
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using mission_list_type = std::vector<mle>;
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//mission list entry
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struct mle : Mission_path
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{
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int builtin_hogsize; // if it's the built-in mission, used for determining the version
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ntstring<75> mission_name;
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#if defined(DXX_BUILD_DESCENT_II)
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descent_version_type descent_version; // descent 1 or descent 2?
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#endif
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ubyte anarchy_only_flag; // if true, mission is anarchy only
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mission_list_type directory;
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mle(Mission_path &&m) :
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Mission_path(std::move(m))
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{
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}
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mle(const char *const name, std::vector<mle> &&d);
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};
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struct mission_subdir_stats
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{
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std::size_t immediate_directories = 0, immediate_missions = 0, total_missions = 0;
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static std::size_t count_missions(const mission_list_type &directory)
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{
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std::size_t total_missions = 0;
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range_for (auto &&i, directory)
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{
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if (i.directory.empty())
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++ total_missions;
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else
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total_missions += count_missions(i.directory);
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}
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return total_missions;
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}
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void count(const mission_list_type &directory)
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{
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range_for (auto &&i, directory)
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{
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if (i.directory.empty())
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{
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++ total_missions;
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++ immediate_missions;
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}
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else
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{
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++ immediate_directories;
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total_missions += count_missions(i.directory);
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}
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}
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}
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};
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struct mission_name_and_version
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{
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#if defined(DXX_BUILD_DESCENT_II)
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const Mission::descent_version_type descent_version = {};
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#endif
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char *const name = nullptr;
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mission_name_and_version() = default;
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mission_name_and_version(Mission::descent_version_type, char *);
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};
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mission_name_and_version::mission_name_and_version(Mission::descent_version_type const v, char *const n) :
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#if defined(DXX_BUILD_DESCENT_II)
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descent_version(v),
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#endif
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name(n)
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{
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#if defined(DXX_BUILD_DESCENT_I)
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(void)v;
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#endif
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}
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const char *prepare_mission_list_count_dirbuf(std::array<char, 12> &dirbuf, const std::size_t immediate_directories)
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{
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/* Limit the count of directories to what can be formatted
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* successfully without truncation. If a user has more than this
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* many directories, an empty string will be used instead of showing
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* the actual count.
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*/
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if (immediate_directories && immediate_directories <= 99999)
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{
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snprintf(dirbuf.data(), dirbuf.size(), "DIR:%zu; ", immediate_directories);
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return dirbuf.data();
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}
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return "";
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}
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mle::mle(const char *const name, std::vector<mle> &&d) :
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Mission_path(name, 0), directory(std::move(d))
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{
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mission_subdir_stats ss;
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ss.count(directory);
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std::array<char, 12> dirbuf;
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snprintf(mission_name.data(), mission_name.size(), "%s/ [%sMSN:L%zu;T%zu]", name, prepare_mission_list_count_dirbuf(dirbuf, ss.immediate_directories), ss.immediate_missions, ss.total_missions);
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}
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static const mle *compare_mission_predicate_to_leaf(const mission_entry_predicate mission_predicate, const mle &candidate, const char *candidate_filesystem_name)
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{
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#if defined(DXX_BUILD_DESCENT_II)
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if (mission_predicate.check_version && mission_predicate.descent_version != candidate.descent_version)
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{
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "mission version check requires %u, but found %u; skipping string comparison for mission \"%s\""), static_cast<unsigned>(mission_predicate.descent_version), static_cast<unsigned>(candidate.descent_version), candidate.path.data());
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return nullptr;
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}
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#endif
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if (!d_stricmp(mission_predicate.filesystem_name, candidate_filesystem_name))
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{
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "found mission \"%s\"[\"%s\"] at %p"), candidate.path.data(), &*candidate.filename, &candidate);
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return &candidate;
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}
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "want mission \"%s\", no match for mission \"%s\"[\"%s\"] at %p"), mission_predicate.filesystem_name, candidate.path.data(), &*candidate.filename, &candidate);
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return nullptr;
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}
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static const mle *compare_mission_by_guess(const mission_entry_predicate mission_predicate, const mle &candidate)
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{
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if (candidate.directory.empty())
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return compare_mission_predicate_to_leaf(mission_predicate, candidate, &*candidate.filename);
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{
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const unsigned long size = candidate.directory.size();
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "want mission \"%s\", check %lu missions under \"%s\""), mission_predicate.filesystem_name, size, candidate.path.data());
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}
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range_for (auto &i, candidate.directory)
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{
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if (const auto r = compare_mission_by_guess(mission_predicate, i))
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return r;
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}
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "no matches under \"%s\""), candidate.path.data());
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return nullptr;
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}
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static const mle *compare_mission_by_pathname(const mission_entry_predicate mission_predicate, const mle &candidate)
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{
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if (candidate.directory.empty())
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return compare_mission_predicate_to_leaf(mission_predicate, candidate, candidate.path.data());
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const auto mission_name = mission_predicate.filesystem_name;
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const auto path_length = candidate.path.size();
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if (!strncmp(mission_name, candidate.path.data(), path_length) && mission_name[path_length] == '/')
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{
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{
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const unsigned long size = candidate.directory.size();
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "want mission pathname \"%s\", check %lu missions under \"%s\""), mission_predicate.filesystem_name, size, candidate.path.data());
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}
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range_for (auto &i, candidate.directory)
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{
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if (const auto r = compare_mission_by_pathname(mission_predicate, i))
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return r;
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}
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "no matches under \"%s\""), candidate.path.data());
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}
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else
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con_printf(CON_PRIORITY_DEBUG_MISSION_LOAD, DXX_STRINGIZE_FL(__FILE__, __LINE__, "want mission pathname \"%s\", ignore non-matching directory \"%s\""), mission_predicate.filesystem_name, candidate.path.data());
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return nullptr;
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}
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}
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Mission_ptr Current_mission; // currently loaded mission
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}
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namespace {
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static bool null_or_space(char c)
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{
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return !c || isspace(static_cast<unsigned>(c));
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}
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// Allocate the Current_mission->level_names, Current_mission->secret_level_names and Current_mission->secret_level_table arrays
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static void allocate_levels(const unsigned count_regular_level, const unsigned count_secret_level)
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{
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Current_mission->level_names = std::make_unique<d_fname[]>(count_regular_level);
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Current_mission->last_level = count_regular_level;
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Current_mission->n_secret_levels = count_secret_level;
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Current_mission->last_secret_level = -static_cast<signed>(count_secret_level);
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if (count_secret_level)
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{
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auto secret_level_names = std::make_unique<d_fname[]>(count_secret_level);
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auto secret_level_table = std::make_unique<uint8_t[]>(count_secret_level);
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Current_mission->secret_level_names = std::move(secret_level_names);
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Current_mission->secret_level_table = std::move(secret_level_table);
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}
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}
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static void allocate_shareware_levels(const unsigned count_regular_level, const unsigned count_secret_level)
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{
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Current_mission->briefing_text_filename = BIMD1_BRIEFING_FILE;
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Current_mission->ending_text_filename = BIMD1_ENDING_FILE_SHARE;
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allocate_levels(count_regular_level, count_secret_level);
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//build level names
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for (const auto &&[idx, name] : enumerate(unchecked_partial_range(Current_mission->level_names.get(), count_regular_level), 1u))
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snprintf(&name[0u], name.size(), "level%02u.sdl", idx);
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}
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static void build_rdl_regular_level_names(const unsigned count_regular_level, std::unique_ptr<d_fname[]> &names)
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{
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for (auto &&[idx, name] : enumerate(unchecked_partial_range(names.get(), count_regular_level), 1u))
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snprintf(&name[0u], name.size(), "level%02u.rdl", idx);
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}
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static void build_rdl_secret_level_names(const unsigned count_secret_level, std::unique_ptr<d_fname[]> &names)
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{
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for (auto &&[idx, name] : enumerate(unchecked_partial_range(names.get(), count_secret_level), 1u))
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snprintf(&name[0u], name.size(), "levels%1u.rdl", idx);
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}
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//
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// Special versions of mission routines for d1 builtins
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//
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static void load_mission_d1()
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{
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switch (PHYSFSX_fsize("descent.hog"))
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{
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case D1_SHAREWARE_MISSION_HOGSIZE:
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case D1_SHAREWARE_10_MISSION_HOGSIZE:
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allocate_shareware_levels(7, 0);
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break;
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case D1_MAC_SHARE_MISSION_HOGSIZE:
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allocate_shareware_levels(3, 0);
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break;
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case D1_OEM_MISSION_HOGSIZE:
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case D1_OEM_10_MISSION_HOGSIZE:
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{
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constexpr unsigned last_level = 15;
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constexpr unsigned last_secret_level = 1;
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allocate_levels(last_level, last_secret_level);
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//build level names
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build_rdl_regular_level_names(last_level - 1, Current_mission->level_names);
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{
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auto &ln = Current_mission->level_names[last_level - 1];
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snprintf(&ln[0u], ln.size(), "saturn%02d.rdl", last_level);
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}
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build_rdl_secret_level_names(last_secret_level, Current_mission->secret_level_names);
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Current_mission->secret_level_table[0] = 10;
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Current_mission->briefing_text_filename = "briefsat.txb";
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Current_mission->ending_text_filename = BIMD1_ENDING_FILE_OEM;
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}
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break;
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default:
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Int3();
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[[fallthrough]];
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case D1_MISSION_HOGSIZE:
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case D1_MISSION_HOGSIZE2:
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case D1_10_MISSION_HOGSIZE:
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case D1_MAC_MISSION_HOGSIZE:
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{
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constexpr unsigned last_level = 27;
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constexpr unsigned last_secret_level = 3;
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allocate_levels(last_level, last_secret_level);
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//build level names
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build_rdl_regular_level_names(last_level, Current_mission->level_names);
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build_rdl_secret_level_names(last_secret_level, Current_mission->secret_level_names);
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Current_mission->secret_level_table[0] = 10;
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Current_mission->secret_level_table[1] = 21;
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Current_mission->secret_level_table[2] = 24;
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Current_mission->briefing_text_filename = BIMD1_BRIEFING_FILE;
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Current_mission->ending_text_filename = "endreg.txb";
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break;
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}
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}
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}
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#if defined(DXX_BUILD_DESCENT_II)
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//
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// Special versions of mission routines for shareware
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//
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static void load_mission_shareware()
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{
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Current_mission->mission_name.copy_if(SHAREWARE_MISSION_NAME);
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Current_mission->descent_version = Mission::descent_version_type::descent2;
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Current_mission->anarchy_only_flag = 0;
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switch (Current_mission->builtin_hogsize)
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{
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case MAC_SHARE_MISSION_HOGSIZE:
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allocate_levels(4, 1);
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// mac demo is using the regular hog and rl2 files
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Current_mission->level_names[0] = "d2leva-1.rl2";
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Current_mission->level_names[1] = "d2leva-2.rl2";
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Current_mission->level_names[2] = "d2leva-3.rl2";
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Current_mission->level_names[3] = "d2leva-4.rl2";
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Current_mission->secret_level_names[0] = "d2leva-s.rl2";
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break;
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default:
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Int3();
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[[fallthrough]];
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case SHAREWARE_MISSION_HOGSIZE:
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allocate_levels(3, 0);
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Current_mission->level_names[0] = "d2leva-1.sl2";
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Current_mission->level_names[1] = "d2leva-2.sl2";
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Current_mission->level_names[2] = "d2leva-3.sl2";
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break;
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}
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}
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//
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// Special versions of mission routines for Diamond/S3 version
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//
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static void load_mission_oem()
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{
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Current_mission->mission_name.copy_if(OEM_MISSION_NAME);
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Current_mission->descent_version = Mission::descent_version_type::descent2;
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Current_mission->anarchy_only_flag = 0;
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allocate_levels(8, 2);
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Current_mission->level_names[0] = "d2leva-1.rl2";
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Current_mission->level_names[1] = "d2leva-2.rl2";
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Current_mission->level_names[2] = "d2leva-3.rl2";
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Current_mission->level_names[3] = "d2leva-4.rl2";
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Current_mission->secret_level_names[0] = "d2leva-s.rl2";
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Current_mission->level_names[4] = "d2levb-1.rl2";
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Current_mission->level_names[5] = "d2levb-2.rl2";
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Current_mission->level_names[6] = "d2levb-3.rl2";
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Current_mission->level_names[7] = "d2levb-4.rl2";
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Current_mission->secret_level_names[1] = "d2levb-s.rl2";
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Current_mission->secret_level_table[0] = 1;
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Current_mission->secret_level_table[1] = 5;
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}
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#endif
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//compare a string for a token. returns true if match
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static int istok(const char *buf,const char *tok)
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{
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return d_strnicmp(buf,tok,strlen(tok)) == 0;
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}
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//returns ptr to string after '=' & white space, or NULL if no '='
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//adds 0 after parm at first white space
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static char *get_value(char *buf)
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{
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char *t = strchr(buf,'=');
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if (t) {
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while (isspace(static_cast<unsigned>(*++t)));
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if (*t)
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return t;
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}
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return NULL; //error!
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}
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static mission_name_and_version get_any_mission_type_name_value(PHYSFSX_gets_line_t<80> &buf, PHYSFS_File *const f, const Mission::descent_version_type descent_version)
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{
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if (!PHYSFSX_fgets(buf,f))
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return {};
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if (istok(buf, "name"))
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return {descent_version, get_value(buf)};
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#if defined(DXX_BUILD_DESCENT_II)
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if (descent_version == Mission::descent_version_type::descent1)
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/* If reading a Descent 1 `.msn` file, do not check for the
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* extended mission types. D1X-Rebirth would ignore them, so
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* D2X-Rebirth should also ignore them.
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*/
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return {};
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struct name_type_pair
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{
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/* std::pair cannot be used here because direct initialization
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* from a string literal fails to compile.
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*/
|
|
char name[7];
|
|
Mission::descent_version_type descent_version;
|
|
};
|
|
static constexpr name_type_pair mission_name_type_values[] = {
|
|
{"xname", Mission::descent_version_type::descent2x}, // enhanced mission
|
|
{"zname", Mission::descent_version_type::descent2z}, // super-enhanced mission
|
|
{"!name", Mission::descent_version_type::descent2a}, // extensible-enhanced mission
|
|
};
|
|
for (auto &&[name, descent_version] : mission_name_type_values)
|
|
{
|
|
if (istok(buf, name))
|
|
return {descent_version, get_value(buf)};
|
|
}
|
|
#endif
|
|
return {};
|
|
}
|
|
|
|
static bool ml_sort_func(const mle &e0,const mle &e1)
|
|
{
|
|
const auto d0 = e0.directory.empty();
|
|
const auto d1 = e1.directory.empty();
|
|
if (d0 != d1)
|
|
/* If d0 is a directory and d1 is a mission, or if d0 is a
|
|
* mission and d1 is a directory, then apply a special case.
|
|
*
|
|
* Consider d0 to be less (and therefore ordered earlier) if d1
|
|
* is a mission. This moves directories to the top of the list.
|
|
*/
|
|
return d1;
|
|
/* If both d0 and d1 are directories, or if both are missions, then
|
|
* apply the usual sorting rule. This makes directories sort
|
|
* as usual relative to each other.
|
|
*/
|
|
return d_stricmp(e0.mission_name,e1.mission_name) < 0;
|
|
}
|
|
|
|
}
|
|
|
|
//returns 1 if file read ok, else 0
|
|
namespace dsx {
|
|
|
|
namespace {
|
|
|
|
static int read_mission_file(mission_list_type &mission_list, mission_candidate_search_path &pathname)
|
|
{
|
|
if (const auto mfile = PHYSFSX_openReadBuffered(pathname.data()).first)
|
|
{
|
|
std::string str_pathname = pathname.data();
|
|
const auto idx_last_slash = str_pathname.find_last_of('/');
|
|
const auto idx_filename = (idx_last_slash == str_pathname.npos) ? 0 : idx_last_slash + 1;
|
|
const auto idx_file_extension = str_pathname.find_first_of('.', idx_filename);
|
|
if (idx_file_extension == str_pathname.npos)
|
|
return 0; //missing extension
|
|
if (idx_file_extension >= DXX_MAX_MISSION_PATH_LENGTH)
|
|
return 0; // path too long, would be truncated in save game files
|
|
str_pathname.resize(idx_file_extension);
|
|
mission_list.emplace_back(Mission_path(std::move(str_pathname), idx_filename));
|
|
mle *mission = &mission_list.back();
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
constexpr auto descent_version = Mission::descent_version_type::descent1;
|
|
#elif defined(DXX_BUILD_DESCENT_II)
|
|
// look if it's .mn2 or .msn
|
|
auto descent_version = (pathname[idx_file_extension + 3] == MISSION_EXTENSION_DESCENT_II[3])
|
|
? Mission::descent_version_type::descent2
|
|
: Mission::descent_version_type::descent1;
|
|
#endif
|
|
mission->anarchy_only_flag = 0;
|
|
|
|
PHYSFSX_gets_line_t<80> buf;
|
|
const auto &&nv = get_any_mission_type_name_value(buf, mfile, descent_version);
|
|
|
|
if (const auto p = nv.name) {
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
mission->descent_version = nv.descent_version;
|
|
#endif
|
|
char *t;
|
|
if ((t=strchr(p,';'))!=NULL)
|
|
{
|
|
*t=0;
|
|
--t;
|
|
}
|
|
else
|
|
t = p + strlen(p) - 1;
|
|
while (isspace(static_cast<unsigned>(*t)))
|
|
*t-- = 0; // remove trailing whitespace
|
|
mission->mission_name.copy_if(p, mission->mission_name.size() - 1);
|
|
}
|
|
else {
|
|
mission_list.pop_back();
|
|
return 0;
|
|
}
|
|
|
|
{
|
|
PHYSFSX_gets_line_t<4096> temp;
|
|
if (PHYSFSX_fgets(temp,mfile))
|
|
{
|
|
if (istok(temp,"type"))
|
|
{
|
|
const auto p = get_value(temp);
|
|
//get mission type
|
|
if (p)
|
|
mission->anarchy_only_flag = istok(p,"anarchy");
|
|
}
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void add_d1_builtin_mission_to_list(mission_list_type &mission_list)
|
|
{
|
|
int size;
|
|
|
|
size = PHYSFSX_fsize("descent.hog");
|
|
if (size == -1)
|
|
return;
|
|
|
|
mission_list.emplace_back(Mission_path(D1_MISSION_FILENAME, 0));
|
|
mle *mission = &mission_list.back();
|
|
switch (size) {
|
|
case D1_SHAREWARE_MISSION_HOGSIZE:
|
|
case D1_SHAREWARE_10_MISSION_HOGSIZE:
|
|
case D1_MAC_SHARE_MISSION_HOGSIZE:
|
|
mission->mission_name.copy_if(D1_SHAREWARE_MISSION_NAME);
|
|
mission->anarchy_only_flag = 0;
|
|
break;
|
|
case D1_OEM_MISSION_HOGSIZE:
|
|
case D1_OEM_10_MISSION_HOGSIZE:
|
|
mission->mission_name.copy_if(D1_OEM_MISSION_NAME);
|
|
mission->anarchy_only_flag = 0;
|
|
break;
|
|
default:
|
|
Warning("Unknown D1 hogsize %d\n", size);
|
|
Int3();
|
|
[[fallthrough]];
|
|
case D1_MISSION_HOGSIZE:
|
|
case D1_MISSION_HOGSIZE2:
|
|
case D1_10_MISSION_HOGSIZE:
|
|
case D1_MAC_MISSION_HOGSIZE:
|
|
mission->mission_name.copy_if(D1_MISSION_NAME);
|
|
mission->anarchy_only_flag = 0;
|
|
break;
|
|
}
|
|
|
|
mission->anarchy_only_flag = 0;
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
mission->builtin_hogsize = size;
|
|
#elif defined(DXX_BUILD_DESCENT_II)
|
|
mission->descent_version = Mission::descent_version_type::descent1;
|
|
mission->builtin_hogsize = 0;
|
|
#endif
|
|
}
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
template <std::size_t N1, std::size_t N2>
|
|
static void set_hardcoded_mission(mission_list_type &mission_list, const char (&path)[N1], const char (&mission_name)[N2])
|
|
{
|
|
mission_list.emplace_back(Mission_path(path, 0));
|
|
mle *mission = &mission_list.back();
|
|
mission->mission_name.copy_if(mission_name);
|
|
mission->anarchy_only_flag = 0;
|
|
}
|
|
|
|
static void add_builtin_mission_to_list(mission_list_type &mission_list, d_fname &name)
|
|
{
|
|
int size = PHYSFSX_fsize("descent2.hog");
|
|
|
|
if (size == -1)
|
|
size = PHYSFSX_fsize("d2demo.hog");
|
|
|
|
switch (size) {
|
|
case SHAREWARE_MISSION_HOGSIZE:
|
|
case MAC_SHARE_MISSION_HOGSIZE:
|
|
set_hardcoded_mission(mission_list, SHAREWARE_MISSION_FILENAME, SHAREWARE_MISSION_NAME);
|
|
break;
|
|
case OEM_MISSION_HOGSIZE:
|
|
set_hardcoded_mission(mission_list, OEM_MISSION_FILENAME, OEM_MISSION_NAME);
|
|
break;
|
|
default:
|
|
Warning("Unknown hogsize %d, trying %s\n", size, FULL_MISSION_FILENAME MISSION_EXTENSION_DESCENT_II);
|
|
Int3();
|
|
[[fallthrough]];
|
|
case FULL_MISSION_HOGSIZE:
|
|
case FULL_10_MISSION_HOGSIZE:
|
|
case MAC_FULL_MISSION_HOGSIZE:
|
|
{
|
|
mission_candidate_search_path full_mission_filename = {{FULL_MISSION_FILENAME MISSION_EXTENSION_DESCENT_II}};
|
|
if (!read_mission_file(mission_list, full_mission_filename))
|
|
Error("Could not find required mission file <%s>", FULL_MISSION_FILENAME MISSION_EXTENSION_DESCENT_II);
|
|
}
|
|
}
|
|
|
|
mle *mission = &mission_list.back();
|
|
name.copy_if(mission->path.c_str(), FILENAME_LEN);
|
|
mission->builtin_hogsize = size;
|
|
mission->descent_version = Mission::descent_version_type::descent2;
|
|
mission->anarchy_only_flag = 0;
|
|
}
|
|
#endif
|
|
|
|
static void add_missions_to_list(mission_list_type &mission_list, mission_candidate_search_path &path, const mission_candidate_search_path::iterator rel_path, const mission_filter_mode mission_filter)
|
|
{
|
|
/* rel_path must point within the array `path`.
|
|
* rel_path must point to the null that follows a possibly empty
|
|
* directory prefix.
|
|
* If the directory prefix is not empty, it must end with a PHYSFS
|
|
* path separator, which is always slash, even on Windows.
|
|
*
|
|
* If any of these assertions fail, then the path transforms used to
|
|
* recurse into subdirectories and to open individual missions will
|
|
* not work correctly.
|
|
*/
|
|
assert(std::distance(path.begin(), rel_path) < path.size() - 1);
|
|
assert(!*rel_path);
|
|
assert(path.begin() == rel_path || *std::prev(rel_path) == '/');
|
|
const std::size_t space_remaining = std::distance(rel_path, path.end());
|
|
*rel_path = '.';
|
|
*std::next(rel_path) = 0;
|
|
range_for (const auto i, PHYSFSX_uncounted_list{PHYSFS_enumerateFiles(path.data())})
|
|
{
|
|
/* Add 1 to include the terminating null. */
|
|
const std::size_t il = strlen(i) + 1;
|
|
/* Add 2 for the slash+dot in case it is a directory. */
|
|
if (il + 2 >= space_remaining)
|
|
continue; // path is too long
|
|
|
|
auto j = std::copy_n(i, il, rel_path);
|
|
const char *ext;
|
|
if (PHYSFS_isDirectory(path.data()))
|
|
{
|
|
const auto null = std::prev(j);
|
|
*j = 0;
|
|
*null = '/';
|
|
mission_list_type sublist;
|
|
add_missions_to_list(sublist, path, j, mission_filter);
|
|
*null = 0;
|
|
const auto found = sublist.size();
|
|
if (!found)
|
|
{
|
|
/* Ignore empty directories */
|
|
}
|
|
else if (found == 1)
|
|
{
|
|
/* If only one found, promote it up to the next level so
|
|
* the user does not need to navigate into a
|
|
* single-element directory.
|
|
*/
|
|
auto &sli = sublist.front();
|
|
mission_list.emplace_back(std::move(sli));
|
|
}
|
|
else
|
|
{
|
|
std::sort(sublist.begin(), sublist.end(), ml_sort_func);
|
|
mission_list.emplace_back(path.data(), std::move(sublist));
|
|
}
|
|
}
|
|
else if (il > 5 &&
|
|
((ext = &i[il - 5], !d_strnicmp(ext, MISSION_EXTENSION_DESCENT_I))
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
|| !d_strnicmp(ext, MISSION_EXTENSION_DESCENT_II)
|
|
#endif
|
|
))
|
|
if (read_mission_file(mission_list, path))
|
|
{
|
|
if (mission_filter != mission_filter_mode::exclude_anarchy || !mission_list.back().anarchy_only_flag)
|
|
{
|
|
mission_list.back().builtin_hogsize = 0;
|
|
}
|
|
else
|
|
mission_list.pop_back();
|
|
}
|
|
|
|
if (mission_list.size() >= MAX_MISSIONS)
|
|
{
|
|
break;
|
|
}
|
|
*rel_path = 0; // chop off the entry
|
|
DXX_POISON_MEMORY(std::next(rel_path), path.end(), 0xcc);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
namespace {
|
|
|
|
/* move <mission_name> to <place> on mission list, increment <place> */
|
|
static void promote (mission_list_type &mission_list, const char *const name, std::size_t &top_place)
|
|
{
|
|
range_for (auto &i, partial_range(mission_list, top_place, mission_list.size()))
|
|
if (!d_stricmp(&*i.filename, name)) {
|
|
//swap mission positions
|
|
auto &j = mission_list[top_place++];
|
|
if (&j != &i)
|
|
std::swap(j, i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
Mission::~Mission()
|
|
{
|
|
// May become more complex with the editor
|
|
if (!path.empty() && builtin_hogsize == 0)
|
|
{
|
|
char hogpath[PATH_MAX];
|
|
snprintf(hogpath, sizeof(hogpath), "%s.hog", path.c_str());
|
|
PHYSFSX_removeRelFromSearchPath(hogpath);
|
|
}
|
|
}
|
|
|
|
//fills in the global list of missions. Returns the number of missions
|
|
//in the list. If anarchy_mode is set, then also add anarchy-only missions.
|
|
|
|
namespace dsx {
|
|
|
|
namespace {
|
|
|
|
static mission_list_type build_mission_list(const mission_filter_mode mission_filter)
|
|
{
|
|
//now search for levels on disk
|
|
|
|
//@@Took out this code because after this routine was called once for
|
|
//@@a list of single-player missions, a subsequent call for a list of
|
|
//@@anarchy missions would not scan again, and thus would not find the
|
|
//@@anarchy-only missions. If we retain the minimum level of install,
|
|
//@@we may want to put the code back in, having it always scan for all
|
|
//@@missions, and have the code that uses it sort out the ones it wants.
|
|
//@@ if (num_missions != -1) {
|
|
//@@ if (Current_mission_num != 0)
|
|
//@@ load_mission(0); //set built-in mission as default
|
|
//@@ return num_missions;
|
|
//@@ }
|
|
|
|
mission_list_type mission_list;
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
d_fname builtin_mission_filename;
|
|
add_builtin_mission_to_list(mission_list, builtin_mission_filename); //read built-in first
|
|
#endif
|
|
add_d1_builtin_mission_to_list(mission_list);
|
|
mission_candidate_search_path search_str = {{MISSION_DIR}};
|
|
DXX_POISON_MEMORY(std::next(search_str.begin(), sizeof(MISSION_DIR)), search_str.end(), 0xcc);
|
|
add_missions_to_list(mission_list, search_str, search_str.begin() + sizeof(MISSION_DIR) - 1, mission_filter);
|
|
|
|
// move original missions (in story-chronological order)
|
|
// to top of mission list
|
|
std::size_t top_place = 0;
|
|
promote(mission_list, D1_MISSION_FILENAME, top_place); // original descent 1 mission
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
promote(mission_list, builtin_mission_filename, top_place); // d2 or d2demo
|
|
promote(mission_list, "d2x", top_place); // vertigo
|
|
#endif
|
|
|
|
if (mission_list.size() > top_place)
|
|
std::sort(next(begin(mission_list), top_place), end(mission_list), ml_sort_func);
|
|
return mission_list;
|
|
}
|
|
|
|
}
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
//values for built-in mission
|
|
|
|
int load_mission_ham()
|
|
{
|
|
read_hamfile(LevelSharedRobotInfoState); // intentionally can also read from the HOG
|
|
|
|
if (Piggy_hamfile_version >= 3)
|
|
{
|
|
// re-read sounds in case mission has custom .sXX
|
|
Num_sound_files = 0;
|
|
read_sndfile(0);
|
|
piggy_read_sounds();
|
|
}
|
|
|
|
if (Current_mission->descent_version == Mission::descent_version_type::descent2a &&
|
|
Current_mission->alternate_ham_file)
|
|
{
|
|
/*
|
|
* If an alternate HAM is specified, map a HOG of the same name
|
|
* (if it exists) so that users can reference a HAM within a
|
|
* HOG. This is required to let users reference the D2X.HAM
|
|
* file provided by Descent II: Vertigo.
|
|
*
|
|
* Try both plain NAME and missions/NAME, in that order.
|
|
*/
|
|
auto &altham = Current_mission->alternate_ham_file;
|
|
unsigned l = strlen(*altham);
|
|
char althog[PATH_MAX];
|
|
snprintf(althog, sizeof(althog), MISSION_DIR "%.*s.hog", l - 4, static_cast<const char *>(*altham));
|
|
char *p = althog + sizeof(MISSION_DIR) - 1;
|
|
const auto mount_hog = make_PHYSFSX_ComputedPathMount(p, althog, physfs_search_path::prepend);
|
|
bm_read_extra_robots(*altham, Mission::descent_version_type::descent2z);
|
|
return 1;
|
|
}
|
|
else if (Current_mission->descent_version == Mission::descent_version_type::descent2a ||
|
|
Current_mission->descent_version == Mission::descent_version_type::descent2z ||
|
|
Current_mission->descent_version == Mission::descent_version_type::descent2x)
|
|
{
|
|
char t[50];
|
|
snprintf(t,sizeof(t), "%s.ham", &*Current_mission->filename);
|
|
bm_read_extra_robots(t, Current_mission->descent_version);
|
|
return 1;
|
|
} else
|
|
return 0;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
namespace {
|
|
|
|
#define tex ".tex"
|
|
static void set_briefing_filename(d_fname &f, const char *const v, std::size_t d)
|
|
{
|
|
f.copy_if(v, d);
|
|
f.copy_if(d, tex);
|
|
if (!PHYSFSX_exists(static_cast<const char *>(f), 1) && !(f.copy_if(++d, "txb"), PHYSFSX_exists(static_cast<const char *>(f), 1))) // check if this file exists ...
|
|
f = {};
|
|
}
|
|
|
|
static void set_briefing_filename(d_fname &f, const char *const v)
|
|
{
|
|
using std::next;
|
|
auto a = [](char c) {
|
|
return !c || c == '.';
|
|
};
|
|
auto i = std::find_if(v, next(v, f.size() - sizeof(tex)), a);
|
|
std::size_t d = std::distance(v, i);
|
|
set_briefing_filename(f, v, d);
|
|
}
|
|
|
|
static void record_briefing(d_fname &f, std::array<char, PATH_MAX> &buf)
|
|
{
|
|
const auto v = get_value(buf.data());
|
|
if (!v)
|
|
return;
|
|
const std::size_t d = std::distance(v, std::find_if(v, buf.end(), null_or_space));
|
|
if (d >= FILENAME_LEN)
|
|
return;
|
|
{
|
|
set_briefing_filename(f, v, std::min(d, f.size() - sizeof(tex)));
|
|
}
|
|
}
|
|
#undef tex
|
|
|
|
}
|
|
|
|
//loads the specfied mission from the mission list.
|
|
//build_mission_list() must have been called.
|
|
//Returns true if mission loaded ok, else false.
|
|
namespace dsx {
|
|
|
|
namespace {
|
|
|
|
static const char *load_mission(const mle *const mission)
|
|
{
|
|
char *v;
|
|
|
|
Current_mission = std::make_unique<Mission>(static_cast<const Mission_path &>(*mission));
|
|
Current_mission->builtin_hogsize = mission->builtin_hogsize;
|
|
Current_mission->mission_name.copy_if(mission->mission_name);
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
Current_mission->descent_version = mission->descent_version;
|
|
#endif
|
|
Current_mission->anarchy_only_flag = mission->anarchy_only_flag;
|
|
Current_mission->n_secret_levels = 0;
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
Current_mission->alternate_ham_file = NULL;
|
|
#endif
|
|
|
|
//init vars
|
|
Current_mission->last_level = 0;
|
|
Current_mission->last_secret_level = 0;
|
|
Current_mission->briefing_text_filename = {};
|
|
Current_mission->ending_text_filename = {};
|
|
Current_mission->secret_level_table.reset();
|
|
Current_mission->level_names.reset();
|
|
Current_mission->secret_level_names.reset();
|
|
|
|
// for Descent 1 missions, load descent.hog
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
if (EMULATING_D1)
|
|
#endif
|
|
{
|
|
std::array<char, PATH_MAX> pathname;
|
|
if (const auto r = PHYSFSX_addRelToSearchPath("descent.hog", pathname, physfs_search_path::prepend); r != PHYSFS_ERR_OK)
|
|
#if defined(DXX_BUILD_DESCENT_I)
|
|
Error("descent.hog not available!\n%s", PHYSFS_getErrorByCode(r));
|
|
#elif defined(DXX_BUILD_DESCENT_II)
|
|
Warning("descent.hog not available!\n%s\nThis mission may be missing some files required for briefings and exit sequence\n", PHYSFS_getErrorByCode(r));
|
|
#endif
|
|
if (!d_stricmp(Current_mission->path.c_str(), D1_MISSION_FILENAME))
|
|
{
|
|
load_mission_d1();
|
|
return nullptr;
|
|
}
|
|
}
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
else
|
|
PHYSFSX_removeRelFromSearchPath("descent.hog");
|
|
#endif
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
if (PLAYING_BUILTIN_MISSION) {
|
|
switch (Current_mission->builtin_hogsize) {
|
|
case SHAREWARE_MISSION_HOGSIZE:
|
|
case MAC_SHARE_MISSION_HOGSIZE:
|
|
Current_mission->briefing_text_filename = "brief2.txb";
|
|
Current_mission->ending_text_filename = BIMD2_ENDING_FILE_SHARE;
|
|
load_mission_shareware();
|
|
return nullptr;
|
|
case OEM_MISSION_HOGSIZE:
|
|
Current_mission->briefing_text_filename = "brief2o.txb";
|
|
Current_mission->ending_text_filename = BIMD2_ENDING_FILE_OEM;
|
|
load_mission_oem();
|
|
return nullptr;
|
|
default:
|
|
Int3();
|
|
[[fallthrough]];
|
|
case FULL_MISSION_HOGSIZE:
|
|
case FULL_10_MISSION_HOGSIZE:
|
|
case MAC_FULL_MISSION_HOGSIZE:
|
|
Current_mission->briefing_text_filename = "robot.txb";
|
|
// continue on... (use d2.mn2 from hogfile)
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
//read mission from file
|
|
|
|
auto &msn_extension =
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
(mission->descent_version != Mission::descent_version_type::descent1) ? MISSION_EXTENSION_DESCENT_II :
|
|
#endif
|
|
MISSION_EXTENSION_DESCENT_I;
|
|
std::array<char, PATH_MAX> mission_filename;
|
|
snprintf(mission_filename.data(), mission_filename.size(), "%s%s", mission->path.c_str(), msn_extension);
|
|
|
|
PHYSFSEXT_locateCorrectCase(mission_filename.data());
|
|
|
|
auto &&[mfile, physfserr] = PHYSFSX_openReadBuffered(mission_filename.data());
|
|
if (!mfile) {
|
|
Current_mission.reset();
|
|
con_printf(CON_NORMAL, DXX_STRINGIZE_FL(__FILE__, __LINE__, "error: failed to open mission \"%s\": %s"), mission_filename.data(), PHYSFS_getErrorByCode(physfserr));
|
|
return "Failed to open mission file"; //error!
|
|
}
|
|
|
|
//for non-builtin missions, load HOG
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
Current_mission->descent_version = mission->descent_version;
|
|
if (!PLAYING_BUILTIN_MISSION)
|
|
#endif
|
|
{
|
|
strcpy(&mission_filename[mission->path.size() + 1], "hog"); //change extension
|
|
std::array<char, PATH_MAX> pathname;
|
|
PHYSFSX_addRelToSearchPath(mission_filename.data(), pathname, physfs_search_path::prepend);
|
|
set_briefing_filename(Current_mission->briefing_text_filename, &*Current_mission->filename);
|
|
Current_mission->ending_text_filename = Current_mission->briefing_text_filename;
|
|
}
|
|
|
|
for (PHYSFSX_gets_line_t<PATH_MAX> buf; PHYSFSX_fgets(buf,mfile);)
|
|
{
|
|
if (istok(buf,"type"))
|
|
continue; //already have name, go to next line
|
|
else if (istok(buf,"briefing")) {
|
|
record_briefing(Current_mission->briefing_text_filename, buf);
|
|
}
|
|
else if (istok(buf,"ending")) {
|
|
record_briefing(Current_mission->ending_text_filename, buf);
|
|
}
|
|
else if (istok(buf,"num_levels")) {
|
|
|
|
if ((v=get_value(buf))!=NULL) {
|
|
char *ip;
|
|
const auto n_levels = strtoul(v, &ip, 10);
|
|
Assert(n_levels <= MAX_LEVELS_PER_MISSION);
|
|
if (n_levels > MAX_LEVELS_PER_MISSION)
|
|
continue;
|
|
if (*ip)
|
|
{
|
|
while (isspace(static_cast<unsigned>(*ip)))
|
|
++ip;
|
|
if (*ip && *ip != ';')
|
|
continue;
|
|
}
|
|
auto names = std::make_unique<d_fname[]>(n_levels);
|
|
uint8_t level_names_loaded = 0;
|
|
for (auto &i : unchecked_partial_range(names.get(), n_levels))
|
|
{
|
|
if (!PHYSFSX_fgets(buf, mfile))
|
|
break;
|
|
auto &line = buf.line();
|
|
auto s = std::find_if(line.begin(), line.end(), null_or_space);
|
|
if (i.copy_if(buf.line(), std::distance(line.begin(), s)))
|
|
{
|
|
++level_names_loaded;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
Current_mission->last_level = level_names_loaded;
|
|
Current_mission->level_names = std::move(names);
|
|
}
|
|
}
|
|
else if (istok(buf,"num_secrets")) {
|
|
if ((v=get_value(buf))!=NULL) {
|
|
char *ip;
|
|
const auto n_levels = strtoul(v, &ip, 10);
|
|
Assert(n_levels <= MAX_SECRET_LEVELS_PER_MISSION);
|
|
if (n_levels > MAX_SECRET_LEVELS_PER_MISSION)
|
|
continue;
|
|
if (*ip)
|
|
{
|
|
while (isspace(static_cast<unsigned>(*ip)))
|
|
++ip;
|
|
if (*ip && *ip != ';')
|
|
continue;
|
|
}
|
|
Current_mission->n_secret_levels = n_levels;
|
|
uint8_t level_names_loaded = 0;
|
|
auto names = std::make_unique<d_fname[]>(n_levels);
|
|
auto table = std::make_unique<uint8_t[]>(n_levels);
|
|
for (auto &&[name, table_cell] : zip(unchecked_partial_range(names.get(), n_levels), unchecked_partial_range(table.get(), n_levels)))
|
|
{
|
|
if (!PHYSFSX_fgets(buf, mfile))
|
|
break;
|
|
const auto &line = buf.line();
|
|
const auto lb = line.begin();
|
|
/* No auto: returned value must be type const char*
|
|
* Modern glibc maintains const-ness of the input.
|
|
* Apple libc++ and mingw32 do not.
|
|
*/
|
|
const char *const t = strchr(lb, ',');
|
|
if (!t)
|
|
break;
|
|
auto a = [](char c) {
|
|
return isspace(static_cast<unsigned>(c));
|
|
};
|
|
auto s = std::find_if(lb, t, a);
|
|
if (name.copy_if(line, std::distance(lb, s)))
|
|
{
|
|
unsigned long ls = strtoul(t + 1, &ip, 10);
|
|
if (ls < 1 || ls > Current_mission->last_level)
|
|
break;
|
|
table_cell = ls;
|
|
++ level_names_loaded;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
Current_mission->last_secret_level = -static_cast<signed>(level_names_loaded);
|
|
Current_mission->secret_level_names = std::move(names);
|
|
Current_mission->secret_level_table = std::move(table);
|
|
}
|
|
}
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
else if (Current_mission->descent_version == Mission::descent_version_type::descent2a && buf[0] == '!') {
|
|
if (istok(buf+1,"ham")) {
|
|
Current_mission->alternate_ham_file = std::make_unique<d_fname>();
|
|
if ((v=get_value(buf))!=NULL) {
|
|
unsigned l = strlen(v);
|
|
if (l <= 4)
|
|
con_printf(CON_URGENT, "Mission %s has short HAM \"%s\".", Current_mission->path.c_str(), v);
|
|
else if (l >= sizeof(*Current_mission->alternate_ham_file))
|
|
con_printf(CON_URGENT, "Mission %s has excessive HAM \"%s\".", Current_mission->path.c_str(), v);
|
|
else {
|
|
Current_mission->alternate_ham_file->copy_if(v, l + 1);
|
|
con_printf(CON_VERBOSE, "Mission %s will use HAM %s.", Current_mission->path.c_str(), static_cast<const char *>(*Current_mission->alternate_ham_file));
|
|
}
|
|
}
|
|
else
|
|
con_printf(CON_URGENT, "Mission %s has no HAM.", Current_mission->path.c_str());
|
|
}
|
|
else {
|
|
con_printf(CON_URGENT, "Mission %s uses unsupported critical directive \"%s\".", Current_mission->path.c_str(), static_cast<const char *>(buf));
|
|
Current_mission->last_level = 0;
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
}
|
|
mfile.reset();
|
|
if (Current_mission->last_level <= 0)
|
|
{
|
|
Current_mission.reset(); //no valid mission loaded
|
|
return "Failed to parse mission file";
|
|
}
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
// re-read default HAM file, in case this mission brings it's own version of it
|
|
free_polygon_models(LevelSharedPolygonModelState);
|
|
|
|
if (load_mission_ham())
|
|
Current_mission->extra_robot_movie = init_extra_robot_movie(&*Current_mission->filename);
|
|
#endif
|
|
return nullptr;
|
|
}
|
|
|
|
}
|
|
|
|
//loads the named mission if exists.
|
|
//Returns nullptr if mission loaded ok, else error string.
|
|
const char *load_mission_by_name (const mission_entry_predicate mission_name, const mission_name_type name_match_mode)
|
|
{
|
|
auto &&mission_list = build_mission_list(mission_filter_mode::include_anarchy);
|
|
{
|
|
range_for (auto &i, mission_list)
|
|
{
|
|
switch (name_match_mode)
|
|
{
|
|
case mission_name_type::basename:
|
|
if (!d_stricmp(mission_name.filesystem_name, &*i.filename))
|
|
return load_mission(&i);
|
|
continue;
|
|
case mission_name_type::pathname:
|
|
case mission_name_type::guess:
|
|
if (const auto r = compare_mission_by_pathname(mission_name, i))
|
|
return load_mission(r);
|
|
continue;
|
|
default:
|
|
return "Unhandled load mission type";
|
|
}
|
|
}
|
|
}
|
|
if (name_match_mode == mission_name_type::guess)
|
|
{
|
|
const auto p = strrchr(mission_name.filesystem_name, '/');
|
|
const auto &guess_predicate = p
|
|
? mission_name.with_filesystem_name(p + 1)
|
|
: mission_name;
|
|
range_for (auto &i, mission_list)
|
|
{
|
|
if (const auto r = compare_mission_by_guess(guess_predicate, i))
|
|
{
|
|
con_printf(CON_NORMAL, "%s:%u: request for guessed mission name \"%s\" found \"%s\"", __FILE__, __LINE__, mission_name.filesystem_name, r->path.c_str());
|
|
return load_mission(r);
|
|
}
|
|
}
|
|
}
|
|
return "No matching mission found in\ninstalled mission list.";
|
|
}
|
|
|
|
}
|
|
|
|
namespace {
|
|
|
|
template <typename tag>
|
|
class unique_menu_tagged_string : std::unique_ptr<char[]>
|
|
{
|
|
public:
|
|
unique_menu_tagged_string(std::unique_ptr<char[]> p) :
|
|
std::unique_ptr<char[]>(std::move(p))
|
|
{
|
|
}
|
|
using std::unique_ptr<char[]>::get;
|
|
operator menu_tagged_string<tag>() const &
|
|
{
|
|
return {get()};
|
|
}
|
|
operator menu_tagged_string<tag>() const && = delete;
|
|
};
|
|
|
|
struct mission_menu : listbox
|
|
{
|
|
static constexpr char listbox_go_up[] = "<..>";
|
|
using callback_type = window_event_result (*)(void);
|
|
/* The top level menu stores the mission data in a member variable.
|
|
* When this class is the base of toplevel_mission_menu, this
|
|
* reference points to that member variable in
|
|
* toplevel_mission_menu.
|
|
*
|
|
* Subdirectory menus do not store a copy of the mission data, and
|
|
* instead store a reference to the mission data in the top level
|
|
* menu. When this class is the base of subdirectory_mission_menu,
|
|
* this reference points to the member variable in the
|
|
* toplevel_mission_menu that created this subdirectory_mission_menu.
|
|
*
|
|
* The data is not reference counted, because the top level menu
|
|
* always outlives the subdirectory menus.
|
|
*/
|
|
const mission_list_type &ml;
|
|
/* listbox stores an unowned pointer to the string pointers that it
|
|
* uses. This member variable stores an owned pointer to the same
|
|
* string pointers, so that the string pointers persist for the life
|
|
* of the listbox. The strings are stored elsewhere.
|
|
*/
|
|
const std::unique_ptr<const char *[]> listbox_strings;
|
|
/* listbox stores an unowned pointer to the title string, since some
|
|
* listboxes use statically allocated strings. This member variable
|
|
* owns the storage for this listbox's title.
|
|
*/
|
|
const unique_menu_tagged_string<menu_title_tag> title;
|
|
const callback_type when_selected;
|
|
virtual window_event_result callback_handler(const d_event &, window_event_result) override;
|
|
mission_menu(const mission_list_type &rml, const std::size_t count_name_pointer_strings, std::unique_ptr<const char *[]> &&name_pointer_strings, const char *const message, callback_type when_selected, mission_menu *const parent, const int default_item, grs_canvas &canvas) :
|
|
mission_menu(rml, count_name_pointer_strings, std::move(name_pointer_strings), prepare_title(message, rml), when_selected, parent, default_item, canvas)
|
|
{
|
|
}
|
|
protected:
|
|
mission_menu *parent = nullptr;
|
|
mission_menu(const mission_list_type &rml, const std::size_t count_name_pointer_strings, std::unique_ptr<const char *[]> &&name_pointer_strings, unique_menu_tagged_string<menu_title_tag> title_parameter, callback_type when_selected, mission_menu *const parent, const int default_item, grs_canvas &canvas) :
|
|
listbox(default_item, count_name_pointer_strings, name_pointer_strings.get(), title_parameter, canvas, 1),
|
|
ml(rml), listbox_strings(std::move(name_pointer_strings)),
|
|
title(std::move(title_parameter)),
|
|
when_selected(when_selected), parent(parent)
|
|
{
|
|
}
|
|
static unique_menu_tagged_string<menu_title_tag> prepare_title(const char *const message, const mission_list_type &ml)
|
|
{
|
|
mission_subdir_stats ss;
|
|
ss.count(ml);
|
|
std::array<char, 12> dirbuf;
|
|
char buf[128];
|
|
const auto r = 1u + std::snprintf(buf, sizeof(buf), "%s\n[%sMSN:LOCAL %zu; TOTAL %zu]", message, prepare_mission_list_count_dirbuf(dirbuf, ss.immediate_directories), ss.immediate_missions, ss.total_missions);
|
|
unique_menu_tagged_string<menu_title_tag> p = std::make_unique<char[]>(r);
|
|
std::memcpy(p.get(), buf, r);
|
|
return p;
|
|
}
|
|
};
|
|
|
|
struct toplevel_mission_menu_storage
|
|
{
|
|
protected:
|
|
const mission_list_type mission_list_storage;
|
|
toplevel_mission_menu_storage(mission_list_type &&rml) :
|
|
mission_list_storage(std::move(rml))
|
|
{
|
|
}
|
|
};
|
|
|
|
struct toplevel_mission_menu : toplevel_mission_menu_storage, mission_menu
|
|
{
|
|
public:
|
|
toplevel_mission_menu(mission_list_type &&rml, std::unique_ptr<const char *[]> &&name_pointer_strings, const char *const message, callback_type when_selected, const int default_item, grs_canvas &canvas) :
|
|
toplevel_mission_menu_storage(std::move(rml)),
|
|
mission_menu(mission_list_storage, mission_list_storage.size(), std::move(name_pointer_strings), message, when_selected, nullptr /* no parent for toplevel menu */, default_item, canvas)
|
|
{
|
|
}
|
|
};
|
|
|
|
struct subdirectory_mission_menu : mission_menu
|
|
{
|
|
using mission_menu::mission_menu;
|
|
};
|
|
|
|
constexpr char mission_menu::listbox_go_up[];
|
|
|
|
struct mission_menu_create_state
|
|
{
|
|
std::unique_ptr<const char *[]> listbox_strings;
|
|
unsigned initial_selection = UINT_MAX;
|
|
std::unique_ptr<mission_menu_create_state> submenu;
|
|
mission_menu_create_state(const std::size_t len) :
|
|
listbox_strings(std::make_unique<const char *[]>(len))
|
|
{
|
|
}
|
|
mission_menu_create_state(mission_menu_create_state &&) = default;
|
|
};
|
|
|
|
}
|
|
|
|
window_event_result mission_menu::callback_handler(const d_event &event, window_event_result)
|
|
{
|
|
switch (event.type)
|
|
{
|
|
case EVENT_WINDOW_CREATED:
|
|
break;
|
|
case EVENT_NEWMENU_SELECTED:
|
|
{
|
|
const auto raw_citem = static_cast<const d_select_event &>(event).citem;
|
|
auto citem = raw_citem;
|
|
if (parent)
|
|
{
|
|
if (citem == 0)
|
|
{
|
|
/* Clear parent pointer so that the parent window is
|
|
* not implicitly closed during handling of
|
|
* EVENT_WINDOW_CLOSE.
|
|
*/
|
|
parent = nullptr;
|
|
return window_event_result::close;
|
|
}
|
|
/* Adjust for the "Go up" placeholder item */
|
|
-- citem;
|
|
}
|
|
if (citem >= 0)
|
|
{
|
|
auto &mli = ml[citem];
|
|
if (!mli.directory.empty())
|
|
{
|
|
/* Increment by 1 to allow the pseudo-entry
|
|
* `listbox_go_up`.
|
|
*/
|
|
const std::size_t count_name_pointer_strings = mli.directory.size() + 1;
|
|
auto listbox_strings = std::make_unique<const char *[]>(count_name_pointer_strings);
|
|
listbox_strings[0] = listbox_go_up;
|
|
const auto a = [](const mle &m) -> const char * {
|
|
return m.mission_name;
|
|
};
|
|
std::transform(mli.directory.begin(), mli.directory.end(), &listbox_strings[1], a);
|
|
auto submm = window_create<subdirectory_mission_menu>(mli.directory, count_name_pointer_strings, std::move(listbox_strings), mli.path.c_str(), when_selected, this, 0, grd_curscreen->sc_canvas);
|
|
(void)submm;
|
|
return window_event_result::handled;
|
|
}
|
|
// Chose a mission
|
|
else if (const auto errstr = load_mission(&mli))
|
|
{
|
|
nm_messagebox(menu_title{nullptr}, 1, TXT_OK, "%s\n\n%s\n\n%s", TXT_MISSION_ERROR, errstr, mli.path.c_str());
|
|
return window_event_result::handled; // stay in listbox so user can select another one
|
|
}
|
|
CGameCfg.LastMission.copy_if(listbox_strings[raw_citem]);
|
|
}
|
|
return (*when_selected)();
|
|
}
|
|
case EVENT_WINDOW_CLOSE:
|
|
/* If the user dismisses the listbox by pressing ESCAPE,
|
|
* do not close the parent listbox.
|
|
*/
|
|
if (listbox_get_citem(*this) != -1)
|
|
if (parent)
|
|
{
|
|
window_close(parent);
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return window_event_result::ignored;
|
|
}
|
|
|
|
namespace {
|
|
|
|
/* Reserve an element to allow the pseudo-entry `listbox_go_up`.
|
|
*/
|
|
constexpr std::integral_constant<std::size_t, 1> mission_subdirectory_extra_strings{};
|
|
|
|
static std::unique_ptr<mission_menu_create_state> prepare_mission_menu_state(const mission_list_type &mission_list, const char *const LastMission, const std::size_t extra_strings)
|
|
{
|
|
auto mission_name_to_select = LastMission;
|
|
auto p = std::make_unique<mission_menu_create_state>(mission_list.size() + extra_strings);
|
|
auto &create_state = *p.get();
|
|
auto listbox_strings = create_state.listbox_strings.get();
|
|
std::fill_n(listbox_strings, extra_strings, nullptr);
|
|
listbox_strings += extra_strings;
|
|
for (auto &&[idx, mli] : enumerate(mission_list))
|
|
{
|
|
const char *const mission_name = mli.mission_name;
|
|
*listbox_strings++ = mission_name;
|
|
if (!mission_name_to_select)
|
|
/* Once the mission to select has been found, copy subsequent
|
|
* mission names, but skip all the other logic. There is no need
|
|
* to examine subdirectories, because that examination is only for
|
|
* finding the mission to select.
|
|
*/
|
|
continue;
|
|
if (!mli.directory.empty())
|
|
{
|
|
/* If this entry represents a subdirectory, prepare a corresponding
|
|
* inner state for it.
|
|
*/
|
|
auto &&substate = prepare_mission_menu_state(mli.directory, mission_name_to_select, mission_subdirectory_extra_strings);
|
|
if (substate->initial_selection == UINT_MAX)
|
|
/* If the subdirectory did not contain the target mission, then
|
|
* discard the subdirectory state. State is only needed and
|
|
* maintained for the directories that must be traversed on the
|
|
* path to the target mission, because only those directories
|
|
* will be automatically opened in the mission choosing dialog.
|
|
*/
|
|
continue;
|
|
substate->listbox_strings[0] = mission_menu::listbox_go_up;
|
|
create_state.submenu = std::move(substate);
|
|
}
|
|
else if (strcmp(mission_name, mission_name_to_select))
|
|
continue;
|
|
create_state.initial_selection = idx;
|
|
mission_name_to_select = nullptr;
|
|
}
|
|
return p;
|
|
}
|
|
|
|
}
|
|
|
|
namespace dsx {
|
|
|
|
int select_mission(const mission_filter_mode mission_filter, const menu_title message, window_event_result (*when_selected)(void))
|
|
{
|
|
auto &&mission_list = build_mission_list(mission_filter);
|
|
int new_mission_num;
|
|
|
|
if (mission_list.size() <= 1)
|
|
{
|
|
new_mission_num = !mission_list.empty() && !load_mission(&mission_list.front()) ? 0 : -1;
|
|
(*when_selected)();
|
|
|
|
return (new_mission_num >= 0);
|
|
}
|
|
else
|
|
{
|
|
auto &&create_state_ptr = prepare_mission_menu_state(mission_list, CGameCfg.LastMission, 0);
|
|
auto &create_state = *create_state_ptr.get();
|
|
mission_menu *parent_mission_menu;
|
|
{
|
|
auto mm = window_create<toplevel_mission_menu>(std::move(mission_list), std::move(create_state.listbox_strings), message, when_selected, create_state.initial_selection == UINT_MAX ? 0 : create_state.initial_selection, grd_curscreen->sc_canvas);
|
|
parent_mission_menu = mm;
|
|
}
|
|
for (auto parent_state = &create_state; const auto substate = parent_state->submenu.get(); parent_state = substate)
|
|
{
|
|
const auto parent_initial_selection = parent_state->initial_selection;
|
|
const auto parent_mission_list_size = parent_mission_menu->ml.size();
|
|
assert(parent_initial_selection < parent_mission_list_size);
|
|
if (parent_initial_selection >= parent_mission_list_size)
|
|
break;
|
|
const auto &substate_mission_list = parent_mission_menu->ml[parent_initial_selection];
|
|
auto submm = window_create<subdirectory_mission_menu>(substate_mission_list.directory, substate_mission_list.directory.size() + mission_subdirectory_extra_strings, std::move(substate->listbox_strings), substate_mission_list.path.c_str(), when_selected, parent_mission_menu, 0, grd_curscreen->sc_canvas);
|
|
parent_mission_menu = submm;
|
|
}
|
|
}
|
|
|
|
return 1; // presume success
|
|
}
|
|
|
|
#if DXX_USE_EDITOR
|
|
namespace {
|
|
static int write_mission(void)
|
|
{
|
|
auto &msn_extension =
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
(Current_mission->descent_version != Mission::descent_version_type::descent1) ? MISSION_EXTENSION_DESCENT_II :
|
|
#endif
|
|
MISSION_EXTENSION_DESCENT_I;
|
|
std::array<char, PATH_MAX> mission_filename;
|
|
snprintf(mission_filename.data(), mission_filename.size(), "%s%s", Current_mission->path.c_str(), msn_extension);
|
|
|
|
auto &&mfile = PHYSFSX_openWriteBuffered(mission_filename.data()).first;
|
|
if (!mfile)
|
|
{
|
|
PHYSFS_mkdir(MISSION_DIR); //try making directory - in *write* path
|
|
mfile = PHYSFSX_openWriteBuffered(mission_filename.data()).first;
|
|
if (!mfile)
|
|
return 0;
|
|
}
|
|
|
|
const char *prefix = "";
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
switch (Current_mission->descent_version)
|
|
{
|
|
case Mission::descent_version_type::descent2x:
|
|
prefix = "x";
|
|
break;
|
|
|
|
case Mission::descent_version_type::descent2z:
|
|
prefix = "z";
|
|
break;
|
|
|
|
case Mission::descent_version_type::descent2a:
|
|
prefix = "!";
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
PHYSFSX_printf(mfile, "%sname = %s\n", prefix, static_cast<const char *>(Current_mission->mission_name));
|
|
|
|
PHYSFSX_printf(mfile, "type = %s\n", Current_mission->anarchy_only_flag ? "anarchy" : "normal");
|
|
|
|
if (Current_mission->briefing_text_filename[0])
|
|
PHYSFSX_printf(mfile, "briefing = %s\n", static_cast<const char *>(Current_mission->briefing_text_filename));
|
|
|
|
if (Current_mission->ending_text_filename[0])
|
|
PHYSFSX_printf(mfile, "ending = %s\n", static_cast<const char *>(Current_mission->ending_text_filename));
|
|
|
|
PHYSFSX_printf(mfile, "num_levels = %i\n", Current_mission->last_level);
|
|
|
|
for (const char *const i : unchecked_partial_range(Current_mission->level_names.get(), Current_mission->last_level))
|
|
PHYSFSX_printf(mfile, "%s\n", i);
|
|
|
|
if (const auto n_secret_levels = Current_mission->n_secret_levels)
|
|
{
|
|
PHYSFSX_printf(mfile, "num_secrets = %i\n", n_secret_levels);
|
|
for (const auto &&[name, table_cell] : zip(unchecked_partial_range(Current_mission->secret_level_names.get(), n_secret_levels), unchecked_partial_range(Current_mission->secret_level_table.get(), n_secret_levels)))
|
|
PHYSFSX_printf(mfile, "%s,%i\n", static_cast<const char *>(name), table_cell);
|
|
}
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
if (Current_mission->alternate_ham_file)
|
|
PHYSFSX_printf(mfile, "ham = %s\n", static_cast<const char *>(*Current_mission->alternate_ham_file.get()));
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
void create_new_mission(void)
|
|
{
|
|
Current_mission = std::make_unique<Mission>(Mission_path(MISSION_DIR "new_miss", sizeof(MISSION_DIR) - 1)); // limited to eight characters because of savegame format
|
|
Current_mission->mission_name.copy_if("Untitled");
|
|
Current_mission->builtin_hogsize = 0;
|
|
Current_mission->anarchy_only_flag = 0;
|
|
|
|
Current_mission->level_names = std::make_unique<d_fname[]>(1);
|
|
if (!Current_mission->level_names)
|
|
{
|
|
Current_mission.reset();
|
|
return;
|
|
}
|
|
|
|
Current_mission->level_names[0] = "GAMESAVE.LVL";
|
|
Current_mission->last_level = 1;
|
|
Current_mission->n_secret_levels = 0;
|
|
Current_mission->last_secret_level = 0;
|
|
Current_mission->briefing_text_filename = {};
|
|
Current_mission->ending_text_filename = {};
|
|
Current_mission->secret_level_table.reset();
|
|
Current_mission->secret_level_names.reset();
|
|
|
|
#if defined(DXX_BUILD_DESCENT_II)
|
|
if (Gamesave_current_version > 3)
|
|
Current_mission->descent_version = Mission::descent_version_type::descent2; // custom ham not supported in editor (yet)
|
|
else
|
|
Current_mission->descent_version = Mission::descent_version_type::descent1;
|
|
|
|
Current_mission->alternate_ham_file = nullptr;
|
|
#endif
|
|
|
|
write_mission();
|
|
}
|
|
#endif
|
|
|
|
}
|