2 * @brief セーブファイル読み込み処理 / Purpose: support for loading savefiles -BEN-
5 * Copyright (c) 1997 Ben Harrison, James E. Wilson, Robert A. Koeneke
7 * This software may be copied and distributed for educational, research,
8 * and not for profit purposes provided that this copyright and statement
9 * are included in all such copies. Other copyrights may also apply.
12 #include "load/load.h"
13 #include "core/asking-player.h"
14 #include "dungeon/quest.h"
15 #include "game-option/birth-options.h"
16 #include "io/files-util.h"
17 #include "io/report.h"
18 #include "io/uid-checker.h"
19 #include "load/angband-version-comparer.h"
20 #include "load/dummy-loader.h"
21 #include "load/dungeon-loader.h"
22 #include "load/extra-loader.h"
23 #include "load/info-loader.h"
24 #include "load/inventory-loader.h"
25 #include "load/item/item-loader-factory.h"
26 #include "load/load-util.h"
27 #include "load/load-zangband.h"
28 #include "load/lore-loader.h"
29 #include "load/old/item-loader-savefile50.h"
30 #include "load/old/load-v1-5-0.h"
31 #include "load/old/load-v1-7-0.h"
32 #include "load/option-loader.h"
33 #include "load/player-info-loader.h"
34 #include "load/quest-loader.h"
35 #include "load/store-loader.h"
36 #include "load/world-loader.h"
37 #include "player-base/player-class.h"
38 #include "player-info/class-info.h"
39 #include "player-info/race-info.h"
40 #include "player/player-personality.h"
41 #include "player/player-sex.h"
42 #include "player/race-info-table.h"
43 #include "system/angband-exceptions.h"
44 #include "system/angband-version.h"
45 #include "system/player-type-definition.h"
46 #include "system/system-variables.h"
47 #include "util/angband-files.h"
48 #include "util/enum-converter.h"
49 #include "view/display-messages.h"
50 #include "world/world.h"
56 * @brief 変愚蛮怒 v2.1.3で追加された街とクエストについて読み込む
57 * @param player_ptr プレイヤーへの参照ポインタ
59 * @details 旧海底都市クエスト (クエストNo.18)は廃止済
61 static errr load_town_quest(PlayerType *player_ptr)
63 if (h_older_than(2, 1, 3)) {
67 auto load_town_result = load_town();
68 if (load_town_result != 0) {
69 return load_town_result;
72 auto [max_quests_load, max_rquests_load] = load_quest_info();
73 analyze_quests(player_ptr, max_quests_load, max_rquests_load);
74 if (h_older_than(1, 7, 0, 6)) {
75 auto &quest_list = QuestList::get_instance();
76 quest_list[i2enum<QuestId>(OLD_QUEST_WATER_CAVE)] = {};
77 quest_list[i2enum<QuestId>(OLD_QUEST_WATER_CAVE)].status = QuestStatusType::UNTAKEN;
80 load_wilderness_info(player_ptr);
81 return analyze_wilderness();
85 * @brief 合計のプレイ時間をロードする
87 static void rd_total_play_time()
89 if (loading_savefile_version_is_older_than(4)) {
93 w_ptr->sf_play_time = rd_u32b();
97 * @brief 勝利した職業フラグをロードする
99 static void rd_winner_class()
101 if (loading_savefile_version_is_older_than(4)) {
105 rd_FlagGroup(w_ptr->sf_winner, rd_byte);
106 rd_FlagGroup(w_ptr->sf_retired, rd_byte);
109 static void load_player_world(PlayerType *player_ptr)
111 rd_total_play_time();
113 rd_base_info(player_ptr);
114 rd_player_info(player_ptr);
115 preserve_mode = rd_bool();
116 player_ptr->wait_report_score = rd_bool();
118 rd_global_configurations(player_ptr);
119 rd_extra(player_ptr);
121 if (player_ptr->energy_need < -999) {
122 player_ptr->timewalk = true;
125 load_note(_("特別情報をロードしました", "Loaded extra information"));
128 static errr load_hp(PlayerType *player_ptr)
130 auto tmp16u = rd_u16b();
131 if (tmp16u > PY_MAX_LEVEL) {
132 load_note(format(_("ヒットポイント配列が大きすぎる(%u)!", "Too many (%u) hitpoint entries!"), tmp16u));
136 for (auto i = 0; i < tmp16u; i++) {
137 player_ptr->player_hp[i] = rd_s16b();
143 static void load_spells(PlayerType *player_ptr)
145 player_ptr->spell_learned1 = rd_u32b();
146 player_ptr->spell_learned2 = rd_u32b();
147 player_ptr->spell_worked1 = rd_u32b();
148 player_ptr->spell_worked2 = rd_u32b();
149 player_ptr->spell_forgotten1 = rd_u32b();
150 player_ptr->spell_forgotten2 = rd_u32b();
151 if (h_older_than(0, 0, 5)) {
152 set_zangband_learnt_spells(player_ptr);
154 player_ptr->learned_spells = rd_s16b();
157 if (h_older_than(0, 0, 6)) {
158 player_ptr->add_spells = 0;
160 player_ptr->add_spells = rd_s16b();
164 static errr verify_checksum()
166 auto n_v_check = v_check;
167 if (rd_u32b() == n_v_check) {
171 load_note(_("チェックサムがおかしい", "Invalid checksum"));
175 static errr verify_encoded_checksum()
177 auto n_x_check = x_check;
178 if (rd_u32b() == n_x_check) {
182 load_note(_("エンコードされたチェックサムがおかしい", "Invalid encoded checksum"));
187 * @brief セーブファイル読み込み処理の実体 / Actually read the savefile
190 static errr exe_reading_savefile(PlayerType *player_ptr)
196 auto item_loader = ItemLoaderFactory::create_loader();
197 item_loader->load_item();
198 auto load_town_quest_result = load_town_quest(player_ptr);
199 if (load_town_quest_result != 0) {
200 return load_town_quest_result;
203 load_note(_("クエスト情報をロードしました", "Loaded Quests"));
204 item_loader->load_artifact();
205 load_player_world(player_ptr);
206 auto load_hp_result = load_hp(player_ptr);
207 if (load_hp_result != 0) {
208 return load_hp_result;
211 auto short_pclass = enum2i(player_ptr->pclass);
212 sp_ptr = &sex_info[player_ptr->psex];
213 rp_ptr = &race_info[enum2i(player_ptr->prace)];
214 cp_ptr = &class_info[short_pclass];
215 ap_ptr = &personality_info[player_ptr->ppersonality];
217 set_zangband_class(player_ptr);
218 mp_ptr = &class_magics_info[short_pclass];
220 load_spells(player_ptr);
221 if (PlayerClass(player_ptr).equals(PlayerClassType::MINDCRAFTER)) {
222 player_ptr->add_spells = 0;
225 auto load_inventory_result = load_inventory(player_ptr);
226 if (load_inventory_result != 0) {
227 return load_inventory_result;
230 load_store(player_ptr);
231 player_ptr->pet_follow_distance = rd_s16b();
232 if (h_older_than(0, 4, 10)) {
233 set_zangband_pet(player_ptr);
235 player_ptr->pet_extra_flags = rd_u16b();
238 if (!h_older_than(1, 0, 9)) {
239 std::vector<char> buf(SCREEN_BUF_MAX_SIZE);
240 rd_string(buf.data(), SCREEN_BUF_MAX_SIZE);
242 screen_dump = string_make(buf.data());
246 auto restore_dungeon_result = restore_dungeon(player_ptr);
247 if (restore_dungeon_result != 0) {
248 return restore_dungeon_result;
251 if (h_older_than(1, 7, 0, 6)) {
252 remove_water_cave(player_ptr);
255 auto checksum_result = verify_checksum();
256 if (checksum_result != 0) {
257 return checksum_result;
260 return verify_encoded_checksum();
264 * @brief セーブファイル読み込み処理 (UIDチェック等含む) / Reading the savefile (including UID check)
265 * @param player_ptr プレイヤーへの参照ポインタ
268 static errr rd_savefile(PlayerType *player_ptr)
271 loading_savefile = angband_fopen(savefile, FileOpenMode::READ, true);
273 if (!loading_savefile) {
278 auto err = exe_reading_savefile(player_ptr);
279 if (ferror(loading_savefile)) {
283 angband_fclose(loading_savefile);
285 } catch (SaveDataNotSupportedException const &e) {
287 angband_fclose(loading_savefile);
293 * @brief 死亡した、または互換性のないセーブデータを読み込んだ時にやりなおさせる
294 * @param plyaer_ptr プレイヤーへの参照ポインタ
295 * @param new_game 新しくゲームを始めさせるフラグ
296 * @return 常にtrue (前後の処理上都合が良いため)
298 static bool reset_save_data(PlayerType *player_ptr, bool *new_game)
301 player_ptr->is_dead = false;
306 static bool on_read_save_data_not_supported(PlayerType *player_ptr, bool *new_game)
308 auto mes_not_play = _("このセーブデータの続きをプレイすることはできません。", "You can't play the rest of the game from this save data.");
309 auto mes_check_restart = _("最初からプレイを始めますか?(モンスターの思い出は引き継がれます)", "Play from the beginning? (Monster recalls will be inherited.) ");
310 msg_print(mes_not_play);
312 if (!input_check(mes_check_restart)) {
313 msg_print(_("ゲームを終了します。", "Exit the game."));
318 player_ptr->wait_report_score = false;
319 return reset_save_data(player_ptr, new_game);
323 * @brief セーブデータから引き継いでプレイできるかどうか調べる
325 * @param player_ptr プレイヤーへの参照ポインタ
326 * @return 引き継ぎ可能ならtrue、そうでなければfalseを返す
328 static bool can_takeover_savefile(PlayerType *player_ptr)
330 if (loading_savefile_version_is_older_than(8) && PlayerClass(player_ptr).equals(PlayerClassType::SMITH)) {
338 * @brief セーブデータ読み込みのメインルーチン /
339 * Attempt to Load a "savefile"
340 * @param player_ptr プレイヤーへの参照ポインタ
341 * @param new_game セーブデータの新規作成が必要か否か
342 * @return セーブデータが読み込めればtrue
344 bool load_savedata(PlayerType *player_ptr, bool *new_game)
346 auto what = "generic";
347 w_ptr->game_turn = 0;
348 player_ptr->is_dead = false;
349 if (savefile.empty()) {
353 const auto &savefile_str = savefile.string();
355 if (access(savefile_str.data(), 0) < 0) {
356 msg_print(_("セーブファイルがありません。", "Savefile does not exist."));
366 // バリアント名長1バイト+バージョン番号4バイト+セーブファイルエンコードキー1バイト == 6バイト.
367 constexpr auto variant_length = static_cast<char>(VARIANT_NAME.length());
368 constexpr auto version_length = variant_length + 6;
369 char tmp_ver[version_length]{};
371 fd = fd_open(savefile, O_RDONLY);
377 what = _("セーブファイルを開けません", "Cannot open savefile");
382 if (fd_read(fd, tmp_ver, version_length)) {
387 what = _("セーブファイルを読めません", "Cannot read savefile");
392 // v0.0.X~v3.0.0 Alpha51までは、セーブデータの第1バイトがFAKE_MAJOR_VERというZangbandと互換性を取ったバージョン番号フィールドだった.
393 // v3.0.0 Alpha52以降は、バリアント名の長さフィールドとして再定義した.
394 // 10~13はその名残。変愚蛮怒から更にバリアントを切ったらこの評価は不要.
395 auto tmp_major = tmp_ver[0];
396 auto is_old_ver = (10 <= tmp_major) && (tmp_major <= 13);
397 if (tmp_major == variant_length) {
398 if (std::string_view(&tmp_ver[1], variant_length) != VARIANT_NAME) {
399 throw(_("セーブデータのバリアントは変愚蛮怒以外です", "The variant of save data is other than Hengband!"));
402 w_ptr->sf_extra = tmp_ver[version_length - 1];
404 } else if (is_old_ver) {
405 w_ptr->sf_extra = tmp_ver[3];
409 throw("Invalid version is detected!");
414 msg_format("%s: %s", what, savefile_str.data());
421 auto ret_rd_savefile = rd_savefile(player_ptr);
422 if (ret_rd_savefile != 0) {
426 if (ret_rd_savefile < 0) {
427 what = _("セーブファイルを解析出来ません。", "Cannot parse savefile");
428 } else if (ret_rd_savefile > 0) {
429 return on_read_save_data_not_supported(player_ptr, new_game);
434 if (!w_ptr->game_turn) {
439 what = _("セーブファイルが壊れています", "Broken savefile");
444 msg_format(_("エラー(%s)がバージョン %d.%d.%d.%d 用セーブファイル読み込み中に発生。", "Error (%s) reading %d.%d.%d.%d savefile."), what,
445 w_ptr->h_ver_major, w_ptr->h_ver_minor, w_ptr->h_ver_patch, w_ptr->h_ver_extra);
450 if (!can_takeover_savefile(player_ptr)) {
451 return on_read_save_data_not_supported(player_ptr, new_game);
454 if (player_ptr->is_dead) {
455 return reset_save_data(player_ptr, new_game);
458 w_ptr->character_loaded = true;
459 auto tmp = counts_read(player_ptr, 2);
460 if (tmp > player_ptr->count) {
461 player_ptr->count = tmp;
464 if (counts_read(player_ptr, 0) > w_ptr->play_time || counts_read(player_ptr, 1) == w_ptr->play_time) {
465 counts_write(player_ptr, 2, ++player_ptr->count);
468 counts_write(player_ptr, 1, w_ptr->play_time);