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authorJaromir Wysoglad2019-05-27 21:55:04 +0200
committerThierry Crozat2019-07-28 15:09:14 +0100
commitd8c62a0e6f5e249d231a75af9e91171000001e07 (patch)
tree8653f18a522b4af9c2a792f1d35928d1918ffe14
parent98b3ba2d2b9426420c02acbf3c7f9c040a6ef499 (diff)
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SUPERNOVA2: Create engine skeleton for supernova 2
-rw-r--r--engines/supernova2/configure.engine3
-rw-r--r--engines/supernova2/detection.cpp212
-rw-r--r--engines/supernova2/module.mk16
-rw-r--r--engines/supernova2/supernova2.cpp85
-rw-r--r--engines/supernova2/supernova2.h81
5 files changed, 397 insertions, 0 deletions
diff --git a/engines/supernova2/configure.engine b/engines/supernova2/configure.engine
new file mode 100644
index 0000000000..c935a04fd3
--- /dev/null
+++ b/engines/supernova2/configure.engine
@@ -0,0 +1,3 @@
+# This file is included from the main "configure" script
+# add_engine [name] [desc] [build-by-default] [subengines] [base games] [deps]
+add_engine supernova2 "Mission Supernova 2" no
diff --git a/engines/supernova2/detection.cpp b/engines/supernova2/detection.cpp
new file mode 100644
index 0000000000..396ac6848c
--- /dev/null
+++ b/engines/supernova2/detection.cpp
@@ -0,0 +1,212 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "base/plugins.h"
+#include "common/file.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "graphics/thumbnail.h"
+#include "engines/advancedDetector.h"
+
+#include "supernova2/supernova2.h"
+
+static const PlainGameDescriptor supernova2Game[] = {
+ {"msn2", "Mission Supernova 2"},
+ {nullptr, nullptr}
+};
+
+namespace Supernova2 {
+static const ADGameDescription gameDescriptions[] = {
+ // Mission Supernova 2
+ {
+ "msn2",
+ nullptr,
+ AD_ENTRY1s("ms2_data.000", "e595610cba4a6d24a763e428d05cc83f", 24805),
+ Common::DE_DEU,
+ Common::kPlatformDOS,
+ ADGF_UNSTABLE,
+ GUIO1(GUIO_NONE)
+ },
+ {
+ "msn2",
+ nullptr,
+ AD_ENTRY1s("ms2_data.000", "e595610cba4a6d24a763e428d05cc83f", 24805),
+ Common::EN_ANY,
+ Common::kPlatformDOS,
+ ADGF_UNSTABLE,
+ GUIO1(GUIO_NONE)
+ },
+
+ AD_TABLE_END_MARKER
+};
+}
+
+class Supernova2MetaEngine: public AdvancedMetaEngine {
+public:
+ Supernova2MetaEngine() : AdvancedMetaEngine(Supernova2::gameDescriptions, sizeof(ADGameDescription), supernova2Game) {
+// _singleId = "supernova";
+ }
+
+ virtual const char *getName() const {
+ return "Mission Supernova 2";
+ }
+
+ virtual const char *getOriginalCopyright() const {
+ return "Mission Supernova 2(c) 1994 Thomas and Steffen Dingel";
+ }
+
+ virtual bool hasFeature(MetaEngineFeature f) const;
+ virtual bool createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const;
+ virtual SaveStateList listSaves(const char *target) const;
+ virtual void removeSaveState(const char *target, int slot) const;
+ virtual int getMaximumSaveSlot() const {
+ return 99;
+ }
+ virtual SaveStateDescriptor querySaveMetaInfos(const char *target, int slot) const;
+};
+
+bool Supernova2MetaEngine::hasFeature(MetaEngineFeature f) const {
+ switch (f) {
+ case kSupportsLoadingDuringStartup:
+ // fallthrough
+ case kSupportsListSaves:
+ // fallthrough
+ case kSupportsDeleteSave:
+ // fallthrough
+ case kSavesSupportMetaInfo:
+ // fallthrough
+ case kSavesSupportThumbnail:
+ // fallthrough
+ case kSavesSupportCreationDate:
+ // fallthrough
+ case kSavesSupportPlayTime:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool Supernova2MetaEngine::createInstance(OSystem *syst, Engine **engine, const ADGameDescription *desc) const {
+ if (desc) {
+ *engine = new Supernova2::Supernova2Engine(syst);
+ }
+
+ return desc != nullptr;
+}
+
+SaveStateList Supernova2MetaEngine::listSaves(const char *target) const {
+ Common::StringArray filenames;
+ Common::String pattern("msn_save.###");
+
+ filenames = g_system->getSavefileManager()->listSavefiles(pattern);
+
+ SaveStateList saveFileList;
+ for (Common::StringArray::const_iterator file = filenames.begin();
+ file != filenames.end(); ++file) {
+ int saveSlot = atoi(file->c_str() + file->size() - 3);
+ if (saveSlot >= 0 && saveSlot <= getMaximumSaveSlot()) {
+ Common::InSaveFile *savefile = g_system->getSavefileManager()->openForLoading(*file);
+ if (savefile) {
+ uint saveHeader = savefile->readUint32LE();
+ if (saveHeader == SAVEGAME_HEADER) {
+ byte saveVersion = savefile->readByte();
+ if (saveVersion <= SAVEGAME_VERSION) {
+ int saveFileDescSize = savefile->readSint16LE();
+ char* saveFileDesc = new char[saveFileDescSize];
+ savefile->read(saveFileDesc, saveFileDescSize);
+ saveFileList.push_back(SaveStateDescriptor(saveSlot, saveFileDesc));
+ delete [] saveFileDesc;
+ }
+ }
+ delete savefile;
+ }
+ }
+ }
+
+ Common::sort(saveFileList.begin(), saveFileList.end(), SaveStateDescriptorSlotComparator());
+ return saveFileList;
+}
+
+void Supernova2MetaEngine::removeSaveState(const char *target, int slot) const {
+ Common::String filename = Common::String::format("ms2_save.%03d", slot);
+ g_system->getSavefileManager()->removeSavefile(filename);
+}
+
+SaveStateDescriptor Supernova2MetaEngine::querySaveMetaInfos(const char *target, int slot) const {
+ Common::String fileName = Common::String::format("ms2_save.%03d", slot);
+ Common::InSaveFile *savefile = g_system->getSavefileManager()->openForLoading(fileName);
+
+ if (savefile) {
+ uint saveHeader = savefile->readUint32LE();
+ if (saveHeader != SAVEGAME_HEADER) {
+ delete savefile;
+ return SaveStateDescriptor();
+ }
+ byte saveVersion = savefile->readByte();
+ if (saveVersion > SAVEGAME_VERSION){
+ delete savefile;
+ return SaveStateDescriptor();
+ }
+
+ int descriptionSize = savefile->readSint16LE();
+ char* description = new char[descriptionSize];
+ savefile->read(description, descriptionSize);
+ SaveStateDescriptor desc(slot, description);
+ delete [] description;
+
+ uint32 saveDate = savefile->readUint32LE();
+ int day = (saveDate >> 24) & 0xFF;
+ int month = (saveDate >> 16) & 0xFF;
+ int year = saveDate & 0xFFFF;
+ desc.setSaveDate(year, month, day);
+
+ uint16 saveTime = savefile->readUint16LE();
+ int hour = (saveTime >> 8) & 0xFF;
+ int minutes = saveTime & 0xFF;
+ desc.setSaveTime(hour, minutes);
+
+ uint32 playTime =savefile->readUint32LE();
+ desc.setPlayTime(playTime * 1000);
+
+ if (Graphics::checkThumbnailHeader(*savefile)) {
+ Graphics::Surface *thumbnail;
+ if (!Graphics::loadThumbnail(*savefile, thumbnail)) {
+ delete savefile;
+ return SaveStateDescriptor();
+ }
+ desc.setThumbnail(thumbnail);
+ }
+
+ delete savefile;
+
+ return desc;
+ }
+
+ return SaveStateDescriptor();
+}
+
+
+#if PLUGIN_ENABLED_DYNAMIC(SUPERNOVA2)
+REGISTER_PLUGIN_DYNAMIC(SUPERNOVA2, PLUGIN_TYPE_ENGINE, Supernova2MetaEngine);
+#else
+REGISTER_PLUGIN_STATIC(SUPERNOVA2, PLUGIN_TYPE_ENGINE, Supernova2MetaEngine);
+#endif
diff --git a/engines/supernova2/module.mk b/engines/supernova2/module.mk
new file mode 100644
index 0000000000..c6ebe15d04
--- /dev/null
+++ b/engines/supernova2/module.mk
@@ -0,0 +1,16 @@
+MODULE := engines/supernova2
+
+MODULE_OBJS := \
+ detection.o \
+ supernova2.o
+
+MODULE_DIRS += \
+ engines/supernova2
+
+# This module can be built as a plugin
+ifeq ($(ENABLE_SUPERNOVA2), DYNAMIC_PLUGIN)
+PLUGIN := 1
+endif
+
+# Include common rules
+include $(srcdir)/rules.mk
diff --git a/engines/supernova2/supernova2.cpp b/engines/supernova2/supernova2.cpp
new file mode 100644
index 0000000000..da14dc46a0
--- /dev/null
+++ b/engines/supernova2/supernova2.cpp
@@ -0,0 +1,85 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "common/config-manager.h"
+#include "common/debug.h"
+#include "common/debug-channels.h"
+#include "common/endian.h"
+#include "common/error.h"
+#include "common/events.h"
+#include "common/file.h"
+#include "common/fs.h"
+#include "common/memstream.h"
+#include "common/savefile.h"
+#include "common/str.h"
+#include "common/system.h"
+#include "common/translation.h"
+#include "engines/util.h"
+#include "graphics/cursorman.h"
+#include "graphics/surface.h"
+#include "graphics/screen.h"
+#include "graphics/palette.h"
+#include "graphics/thumbnail.h"
+#include "gui/saveload.h"
+
+#include "supernova2/supernova2.h"
+
+
+namespace Supernova2 {
+
+Supernova2Engine::Supernova2Engine(OSystem *syst)
+ : Engine(syst)
+ , _allowLoadGame(true)
+ , _allowSaveGame(true)
+ , _sleepAutoSave(nullptr)
+ , _sleepAuoSaveVersion(-1)
+ , _delay(33)
+ , _textSpeed(1) {
+ if (ConfMan.hasKey("textspeed"))
+ _textSpeed = ConfMan.getInt("textspeed");
+
+ DebugMan.addDebugChannel(1 , "general", "Supernova 2 general debug channel");
+}
+
+Supernova2Engine::~Supernova2Engine() {
+ DebugMan.clearAllDebugChannels();
+
+ delete _sleepAutoSave;
+}
+
+Common::Error Supernova2Engine::run() {
+ init();
+
+ while (!shouldQuit()) {
+ uint32 start = _system->getMillis();
+ int end = _delay - (_system->getMillis() - start);
+ if (end > 0)
+ _system->delayMillis(end);
+ }
+
+ return Common::kNoError;
+}
+
+void Supernova2Engine::init() {
+}
+
+}
diff --git a/engines/supernova2/supernova2.h b/engines/supernova2/supernova2.h
new file mode 100644
index 0000000000..2301f6326e
--- /dev/null
+++ b/engines/supernova2/supernova2.h
@@ -0,0 +1,81 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SUPERNOVA_SUPERNOVA2_H
+#define SUPERNOVA_SUPERNOVA2_H
+
+#include "common/array.h"
+#include "common/events.h"
+#include "common/random.h"
+#include "common/scummsys.h"
+#include "engines/engine.h"
+#include "common/file.h"
+
+namespace Common {
+ class MemoryReadWriteStream;
+}
+
+namespace Supernova2 {
+
+#define SAVEGAME_HEADER MKTAG('M','S','N','2')
+#define SAVEGAME_VERSION 9
+
+#define SUPERNOVA2_DAT "supernova2.dat"
+#define SUPERNOVA2_DAT_VERSION 1
+
+class GuiElement;
+
+class Supernova2Engine : public Engine {
+public:
+ explicit Supernova2Engine(OSystem *syst);
+ ~Supernova2Engine();
+
+ virtual Common::Error run();
+
+ bool _allowLoadGame;
+ bool _allowSaveGame;
+ Common::StringArray _gameStrings;
+ Common::String _nullString;
+ int _sleepAuoSaveVersion;
+ Common::MemoryReadWriteStream* _sleepAutoSave;
+
+ uint _delay;
+ int _textSpeed;
+
+ Common::Error loadGameStrings();
+ void init();
+ bool loadGame(int slot);
+ bool saveGame(int slot, const Common::String &description);
+ bool serialize(Common::WriteStream *out);
+ bool deserialize(Common::ReadStream *in, int version);
+ bool quitGameDialog();
+ void errorTempSave(bool saving);
+ void setTextSpeed();
+ const Common::String &getGameString(int idx) const;
+ void setGameString(int idx, const Common::String &string);
+
+ // forwarding calls
+};
+
+}
+
+#endif