mirror of
https://github.com/libretro/scummvm.git
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604 lines
14 KiB
C++
604 lines
14 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#include "base/plugins.h"
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#include "common/advancedDetector.h"
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#include "common/file.h"
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#include "common/savefile.h"
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#include "tinsel/cursor.h"
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#include "tinsel/tinsel.h"
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#include "tinsel/savescn.h" // needed by TinselMetaEngine::listSaves
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namespace Tinsel {
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struct TinselGameDescription {
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Common::ADGameDescription desc;
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int gameID;
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int gameType;
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uint32 features;
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uint16 version;
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};
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uint32 TinselEngine::getGameID() const {
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return _gameDescription->gameID;
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}
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uint32 TinselEngine::getFeatures() const {
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return _gameDescription->features;
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}
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Common::Language TinselEngine::getLanguage() const {
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return _gameDescription->desc.language;
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}
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Common::Platform TinselEngine::getPlatform() const {
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return _gameDescription->desc.platform;
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}
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uint16 TinselEngine::getVersion() const {
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return _gameDescription->version;
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}
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}
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static const PlainGameDescriptor tinselGames[] = {
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{"tinsel", "Tinsel engine game"},
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{"dw", "Discworld"},
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{"dw2", "Discworld 2: Missing Presumed ...!?"},
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{0, 0}
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};
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namespace Tinsel {
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static const TinselGameDescription gameDescriptions[] = {
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// Note: The following is the (hopefully) definitive list of version details:
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// TINSEL_V0: Used only by the Discworld 1 demo - this used a more primitive version
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// of the Tinsel engine and graphics compression
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// TINSEL_V1: There were two versions of the Discworld 1 game - the first used .GRA
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// files, and the second used .SCN files. The second also provided some fixes to
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// various script bugs and coding errors, but is still considered TINSEL_V1,
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// as both game versions work equally well with the newer code.
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// TINSEL_V2: The Discworld 2 game used this updated version of the Tinsel 1 engine,
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// and as far as we know there aren't any variations of this engine.
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{ // Floppy Demo V0 from http://www.adventure-treff.de/specials/dl_demos.php
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{
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"dw",
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"Floppy Demo",
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AD_ENTRY1s("dw.gra", "ce1b57761ba705221bcf70955b827b97", 441192),
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//AD_ENTRY1s("dw.scn", "ccd72f02183d0e96b6e7d8df9492cda8", 23308),
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_DEMO
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},
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GID_DW1,
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0,
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GF_DEMO,
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TINSEL_V0,
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},
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{ // CD Demo V1 version, with *.gra files
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{
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"dw",
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"CD Demo",
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{
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{"dw.gra", 0, "ef5a2518c9e205f786f5a4526396e661", 781676},
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{"english.smp", 0, NULL, -1},
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},
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_DEMO
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},
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GID_DW1,
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0,
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GF_CD,
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TINSEL_V1,
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},
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{ // Floppy V1 version, with *.gra files
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{
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"dw",
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"Floppy",
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AD_ENTRY1s("dw.gra", "c8808ccd988d603dd35dff42013ae7fd", 781656),
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW1,
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0,
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GF_FLOPPY,
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TINSEL_V1,
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},
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{ // CD V1 version, with *.gra files (same as the floppy one, with english.smp)
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{
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"dw",
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"CD",
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{
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{"dw.gra", 0, "c8808ccd988d603dd35dff42013ae7fd", 781656},
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{"english.smp", 0, NULL, -1},
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},
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW1,
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0,
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GF_CD,
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TINSEL_V1,
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},
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{ // Multilingual CD with english speech and *.gra files.
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// Note: It contains no english subtitles.
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{
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"dw",
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"CD",
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{
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{"dw.gra", 0, "c8808ccd988d603dd35dff42013ae7fd", 781656},
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{"english.smp", 0, NULL, -1},
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{"french.txt", 0, NULL, -1},
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{"german.txt", 0, NULL, -1},
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{"italian.txt", 0, NULL, -1},
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{"spanish.txt", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::FR_FRA,
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Common::kPlatformPC,
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Common::ADGF_DROPLANGUAGE
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},
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GID_DW1,
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0,
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GF_CD | GF_USE_4FLAGS,
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TINSEL_V1,
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},
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{
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{
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"dw",
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"CD",
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{
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{"dw.gra", 0, "c8808ccd988d603dd35dff42013ae7fd", 781656},
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{"english.smp", 0, NULL, -1},
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{"french.txt", 0, NULL, -1},
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{"german.txt", 0, NULL, -1},
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{"italian.txt", 0, NULL, -1},
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{"spanish.txt", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::DE_DEU,
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Common::kPlatformPC,
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Common::ADGF_DROPLANGUAGE
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},
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GID_DW1,
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0,
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GF_CD | GF_USE_4FLAGS,
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TINSEL_V1,
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},
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{
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{
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"dw",
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"CD",
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{
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{"dw.gra", 0, "c8808ccd988d603dd35dff42013ae7fd", 781656},
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{"english.smp", 0, NULL, -1},
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{"french.txt", 0, NULL, -1},
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{"german.txt", 0, NULL, -1},
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{"italian.txt", 0, NULL, -1},
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{"spanish.txt", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::IT_ITA,
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Common::kPlatformPC,
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Common::ADGF_DROPLANGUAGE
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},
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GID_DW1,
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0,
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GF_CD | GF_USE_4FLAGS,
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TINSEL_V1,
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},
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{
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{
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"dw",
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"CD",
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{
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{"dw.gra", 0, "c8808ccd988d603dd35dff42013ae7fd", 781656},
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{"english.smp", 0, NULL, -1},
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{"french.txt", 0, NULL, -1},
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{"german.txt", 0, NULL, -1},
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{"italian.txt", 0, NULL, -1},
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{"spanish.txt", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::ES_ESP,
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Common::kPlatformPC,
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Common::ADGF_DROPLANGUAGE
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},
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GID_DW1,
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0,
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GF_CD | GF_USE_4FLAGS,
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TINSEL_V1,
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},
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{ // English CD v2
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{
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"dw",
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"CD",
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{
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{"dw.scn", 0, "70955425870c7720d6eebed903b2ef41", 776188},
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{"english.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW1,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V1,
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},
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#if 0
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{ // English Saturn CD
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{
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"dw",
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"CD",
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{
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{"dw.scn", 0, "6803f293c88758057cc685b9437f7637", 382248},
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{"english.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::EN_ANY,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW1,
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0,
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GF_CD,
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TINSEL_V1,
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},
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#endif
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{ // German CD re-release "Neon Edition"
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// Note: This release has ENGLISH.TXT (with german content) instead of GERMAN.TXT
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{
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"dw",
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"CD",
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AD_ENTRY1s("dw.scn", "6182c7986eaec893c62fb6ea13a9f225", 774556),
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Common::DE_DEU,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW1,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V1,
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},
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{ // European/Australian Discworld 2 release
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"english1.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::EN_GRB,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{ // US Discworld 2 release
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"us1.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::EN_USA,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{ // French version of Discworld 2
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"french1.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::FR_FRA,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{ // German Discworld 2 re-release "Neon Edition"
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"german1.smp", 0, NULL, -1},
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{NULL, 0, NULL, 0}
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},
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Common::DE_DEU,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{ // Italian/Spanish Discworld 2
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"english1.smp", 0, NULL, -1},
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{"italian1.txt", 0, "d443249f8b55489b5888c227b9096f4e", 246495},
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{NULL, 0, NULL, 0}
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},
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Common::IT_ITA,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{
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{
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"dw2",
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"CD",
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{
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{"dw2.scn", 0, "c6d15ce9720a9d8fef06e6582dcf3f34", 103593},
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{"english1.smp", 0, NULL, -1},
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{"spanish1.txt", 0, "bc6e147c5f542db228ac577357e4d897", 230323},
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{NULL, 0, NULL, 0}
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},
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Common::ES_ESP,
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Common::kPlatformPC,
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Common::ADGF_NO_FLAGS
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},
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GID_DW2,
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0,
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GF_CD | GF_SCNFILES,
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TINSEL_V2,
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},
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{ AD_TABLE_END_MARKER, 0, 0, 0, 0 }
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};
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} // End of namespace Tinsel
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static const Common::ADParams detectionParams = {
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// Pointer to ADGameDescription or its superset structure
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(const byte *)Tinsel::gameDescriptions,
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// Size of that superset structure
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sizeof(Tinsel::TinselGameDescription),
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// Number of bytes to compute MD5 sum for
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5000,
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// List of all engine targets
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tinselGames,
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// Structure for autoupgrading obsolete targets
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0,
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// Name of single gameid (optional)
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"tinsel",
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// List of files for file-based fallback detection (optional)
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0,
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// Flags
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0
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};
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class TinselMetaEngine : public Common::AdvancedMetaEngine {
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public:
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TinselMetaEngine() : Common::AdvancedMetaEngine(detectionParams) {}
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virtual const char *getName() const {
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return "Tinsel Engine";
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}
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virtual const char *getCopyright() const {
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return "Tinsel (C) Psygnosis";
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}
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virtual bool createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const;
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virtual bool hasFeature(MetaEngineFeature f) const;
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virtual SaveStateList listSaves(const char *target) const;
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virtual int getMaximumSaveSlot() const;
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virtual void removeSaveState(const char *target, int slot) const;
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};
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bool TinselMetaEngine::hasFeature(MetaEngineFeature f) const {
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return
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(f == kSupportsListSaves) ||
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// TODO: See tinsel.cpp ll 994-1005
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#if 0
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(f == kSupportsLoadingDuringStartup) ||
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#endif
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(f == kSupportsDeleteSave);
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}
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bool Tinsel::TinselEngine::hasFeature(EngineFeature f) const {
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return
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(f == kSupportsLoadingDuringRuntime);
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}
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namespace Tinsel {
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extern int getList(Common::SaveFileManager *saveFileMan, const Common::String &target);
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extern bool MoviePlaying();
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}
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SaveStateList TinselMetaEngine::listSaves(const char *target) const {
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Common::String pattern = target;
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pattern = pattern + ".???";
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Common::StringList files = g_system->getSavefileManager()->listSavefiles(pattern.c_str());
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sort(files.begin(), files.end()); // Sort (hopefully ensuring we are sorted numerically..)
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SaveStateList saveList;
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int slotNum = 0;
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for (Common::StringList::const_iterator file = files.begin(); file != files.end(); ++file) {
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// Obtain the last 3 digits of the filename, since they correspond to the save slot
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slotNum = atoi(file->c_str() + file->size() - 3);
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const Common::String &fname = *file;
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Common::InSaveFile *in = g_system->getSavefileManager()->openForLoading(fname.c_str());
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if (in) {
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in->readUint32LE(); // skip id
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in->readUint32LE(); // skip size
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in->readUint32LE(); // skip version
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char saveDesc[Tinsel::SG_DESC_LEN];
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in->read(saveDesc, sizeof(saveDesc));
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saveDesc[Tinsel::SG_DESC_LEN - 1] = 0;
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saveList.push_back(SaveStateDescriptor(slotNum, saveDesc));
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delete in;
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}
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}
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return saveList;
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}
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bool TinselMetaEngine::createInstance(OSystem *syst, Engine **engine, const Common::ADGameDescription *desc) const {
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const Tinsel::TinselGameDescription *gd = (const Tinsel::TinselGameDescription *)desc;
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if (gd) {
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*engine = new Tinsel::TinselEngine(syst, gd);
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}
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return gd != 0;
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}
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int TinselMetaEngine::getMaximumSaveSlot() const { return 99; }
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void TinselMetaEngine::removeSaveState(const char *target, int slot) const {
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Tinsel::setNeedLoad();
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Tinsel::getList(g_system->getSavefileManager(), target);
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g_system->getSavefileManager()->removeSavefile(Tinsel::ListEntry(slot, Tinsel::LE_NAME));
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Tinsel::setNeedLoad();
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Tinsel::getList(g_system->getSavefileManager(), target);
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}
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#if PLUGIN_ENABLED_DYNAMIC(TINSEL)
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REGISTER_PLUGIN_DYNAMIC(TINSEL, PLUGIN_TYPE_ENGINE, TinselMetaEngine);
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#else
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REGISTER_PLUGIN_STATIC(TINSEL, PLUGIN_TYPE_ENGINE, TinselMetaEngine);
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#endif
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namespace Tinsel {
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Common::Error TinselEngine::loadGameState(int slot) {
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// FIXME: Hopefully this is only used when loading games via
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// the launcher, since we do a hacky savegame slot to savelist
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// entry mapping here.
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//
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// You might wonder why is needed and here is the answer:
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// The save/load dialog of the GMM operates with the physical
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// savegame slots, while Tinsel internally uses entry numbers in
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// a savelist (which is sorted latest to first). Now to allow
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// proper loading of (especially Discworld2) saves we need to
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// get a savelist entry number instead of the physical slot.
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//
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// There are different possible solutions:
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//
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// One way to fix this would be to pass the filename instead of
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// the savelist entry number to RestoreGame, though it could make
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// problems how DW2 handles CD switches. Normally DW2 would pass
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// '-2' as slot when it changes CDs.
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//
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// Another way would be to convert all of Tinsel to use physical
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// slot numbers instead of savelist entry numbers for loading.
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// This would also allow '-2' as slot for CD changes without
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// any major hackery.
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int listSlot = -1;
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const int numStates = Tinsel::getList();
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for (int i = 0; i < numStates; ++i) {
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const char *fileName = Tinsel::ListEntry(i, Tinsel::LE_NAME);
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const int saveSlot = atoi(fileName + strlen(fileName) - 3);
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if (saveSlot == slot) {
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listSlot = i;
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break;
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}
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}
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if (listSlot == -1)
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return Common::kUnknownError; // TODO: proper error code
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RestoreGame(listSlot);
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return Common::kNoError; // TODO: return success/failure
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}
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#if 0
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Common::Error TinselEngine::saveGameState(int slot, const char *desc) {
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Common::String saveName = _vm->getSavegameFilename((int16)(slot + 1));
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char saveDesc[SG_DESC_LEN];
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strncpy(saveDesc, desc, SG_DESC_LEN);
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// Make sure that saveDesc is 0-terminated
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saveDesc[SG_DESC_LEN - 1] = '\0';
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SaveGame((char *)saveName.c_str(), saveDesc);
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ProcessSRQueue(); // This shouldn't be needed, but for some reason it is...
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return Common::kNoError; // TODO: return success/failure
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}
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#endif
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bool TinselEngine::canLoadGameStateCurrently() { return !MoviePlaying(); }
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#if 0
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bool TinselEngine::canSaveGameStateCurrently() { return isCursorShown(); }
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#endif
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} // End of namespace Tinsel
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