added engine stubs code for Drascula game

svn-id: r28130

4 files changed, 382 insertions, 0 deletions

diff --git a/engines/drascula/detection.cpp b/engines/drascula/detection.cpp
new file mode 100644
index 0000000000..7748b71bd2
--- /dev/null
+++ b/engines/drascula/detection.cpp
@@ -0,0 +1,183 @@
+/* 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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#include "common/stdafx.h"
+
+#include "base/plugins.h"
+
+#include "common/advancedDetector.h"
+#include "common/file.h"
+
+#include "drascula/drascula.h"
+
+
+namespace Drascula {
+
+struct DrasculaGameDescription {
+	Common::ADGameDescription desc;
+
+	int gameID;
+	int gameType;
+	uint32 features;
+	uint16 version;
+};
+
+uint32 DrasculaEngine::getGameID() const {
+	return _gameDescription->gameID;
+}
+
+uint32 DrasculaEngine::getFeatures() const {
+	return _gameDescription->features;
+}
+
+Common::Platform DrasculaEngine::getPlatform() const {
+	return _gameDescription->desc.platform;
+}
+
+uint16 DrasculaEngine::getVersion() const {
+	return _gameDescription->version;
+}
+
+}
+
+static const PlainGameDescriptor drasculaGames[] = {
+	{"drascula", "Drascula game"},
+
+	{0, 0}
+};
+
+
+namespace Drascula {
+
+static const DrasculaGameDescription gameDescriptions[] = {
+/*
+	{
+		// Drascula English
+		{
+			"drascula",
+			"English",
+			AD_ENTRY1("logdir", "9c4a5b09cc3564bc48b4766e679ea332"),
+			Common::EN_ANY,
+			Common::kPlatformPC,
+			Common::ADGF_NO_FLAGS
+		},
+		0,
+		0,
+		0,
+		0,
+	},
+
+	{
+		// Drascula Spanish
+		{
+			"drascula",
+			"Spanish",
+			AD_ENTRY1("logdir", "9c4a5b09cc3564bc48b4766e679ea332"),
+			Common::EN_ANY,
+			Common::kPlatformPC,
+			Common::ADGF_NO_FLAGS
+		},
+		0,
+		0,
+		0,
+		0,
+	},
+*/
+	{ AD_TABLE_END_MARKER, 0, 0, 0, 0 }
+};
+
+/**
+ * The fallback game descriptor used by the Drascula engine's fallbackDetector.
+ * Contents of this struct are to be overwritten by the fallbackDetector. 
+ */
+static DrasculaGameDescription g_fallbackDesc = {
+	{
+		"", // Not used by the fallback descriptor, it uses the EncapsulatedADGameDesc's gameid
+		"", // Not used by the fallback descriptor, it uses the EncapsulatedADGameDesc's extra
+		AD_ENTRY1(0, 0), // This should always be AD_ENTRY1(0, 0) in the fallback descriptor
+		Common::UNK_LANG,
+		Common::kPlatformPC,
+		Common::ADGF_NO_FLAGS
+	},
+	0,
+	0,
+	0,
+	0,
+};
+
+Common::EncapsulatedADGameDesc fallbackDetector(const FSList *fslist) {
+	// Set the default values for the fallback descriptor's ADGameDescription part.
+	g_fallbackDesc.desc.language = Common::UNK_LANG;
+	g_fallbackDesc.desc.platform = Common::kPlatformPC;
+	g_fallbackDesc.desc.flags = Common::ADGF_NO_FLAGS;
+
+	// Set default values for the fallback descriptor's DrasculaGameDescription part.
+	g_fallbackDesc.gameID = 0;
+	g_fallbackDesc.features = 0;
+	g_fallbackDesc.version = 0;
+
+	Common::EncapsulatedADGameDesc result;
+
+	return result;
+}
+
+} // End of namespace Drascula
+
+static const Common::ADParams detectionParams = {
+	// Pointer to ADGameDescription or its superset structure
+	(const byte *)Drascula::gameDescriptions,
+	// Size of that superset structure
+	sizeof(Drascula::DrasculaGameDescription),
+	// Number of bytes to compute MD5 sum for
+	5000,
+	// List of all engine targets
+	drasculaGames,
+	// Structure for autoupgrading obsolete targets
+	0,
+	// Name of single gameid (optional)
+	"drascula",
+	// List of files for file-based fallback detection (optional)
+	0,
+	// Fallback callback
+	Drascula::fallbackDetector,
+	// Flags
+	Common::kADFlagAugmentPreferredTarget
+};
+
+ADVANCED_DETECTOR_DEFINE_PLUGIN(DRASCULA, Drascula::DrasculaEngine, detectionParams);
+
+REGISTER_PLUGIN(DRASCULA, "Drascula Engine", "Drascula Engine (C) 2000 Alcachofa Soft, 1996 (C) Digital Dreams Multimedia, 1994 (C) Emilio de Paz");
+
+namespace Drascula {
+
+bool DrasculaEngine::initGame() {
+	Common::EncapsulatedADGameDesc encapsulatedDesc = Common::AdvancedDetector::detectBestMatchingGame(detectionParams);
+	_gameDescription = (const DrasculaGameDescription *)(encapsulatedDesc.realDesc);
+
+	return (_gameDescription != 0);
+}
+
+} // End of namespace Drascula
+
diff --git a/engines/drascula/drascula.cpp b/engines/drascula/drascula.cpp
new file mode 100644
index 0000000000..abf5d182f4
--- /dev/null
+++ b/engines/drascula/drascula.cpp
@@ -0,0 +1,104 @@
+/* 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.
+ *
+ * $UR$
+ * $Id$
+ *
+ */
+
+#include "common/stdafx.h"
+
+#include "common/events.h"
+#include "common/file.h"
+#include "common/savefile.h"
+#include "common/config-manager.h"
+
+#include "base/plugins.h"
+#include "base/version.h"
+
+#include "sound/mixer.h"
+
+#include "drascula/drascula.h"
+
+namespace Drascula {
+
+struct GameSettings {
+	const char *gameid;
+	const char *description;
+	byte id;
+	uint32 features;
+	const char *detectname;
+};
+
+static const GameSettings agiSettings[] = {
+	{"drascula", "Drascula game", 0, 0, 0},
+
+	{NULL, NULL, 0, 0, NULL}
+};
+
+DrasculaEngine::DrasculaEngine(OSystem *syst) : Engine(syst) {
+
+	// Setup mixer
+	if (!_mixer->isReady()) {
+		warning("Sound initialization failed.");
+	}
+
+	_mixer->setVolumeForSoundType(Audio::Mixer::kSFXSoundType, ConfMan.getInt("sfx_volume"));
+	_mixer->setVolumeForSoundType(Audio::Mixer::kMusicSoundType, ConfMan.getInt("music_volume"));
+
+	const GameSettings *g;
+
+	const char *gameid = ConfMan.get("gameid").c_str();
+	for (g = agiSettings; g->gameid; ++g)
+		if (!scumm_stricmp(g->gameid, gameid))
+			_gameId = g->id;
+
+	_rnd = new Common::RandomSource();
+
+}
+
+DrasculaEngine::~DrasculaEngine() {
+	delete _rnd;
+}
+
+int DrasculaEngine::init() {
+	// Detect game
+	if (!initGame()) {
+		GUIErrorMessage("No valid games were found in the specified directory.");
+		return -1;
+	}
+
+	// Initialize backend
+	_system->beginGFXTransaction();
+	initCommonGFX(false);
+	_system->initSize(320, 200);
+	_system->endGFXTransaction();
+
+	return 0;
+}
+
+int DrasculaEngine::go() {
+
+	//runGame();
+
+	return 0;
+}
+
+} // End of namespace Drascula
diff --git a/engines/drascula/drascula.h b/engines/drascula/drascula.h
new file mode 100644
index 0000000000..ff3e77c798
--- /dev/null
+++ b/engines/drascula/drascula.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.
+ *
+ * $URL$
+ * $Id$
+ *
+ */
+
+#ifndef DRASCULA_H
+#define DRASCULA_H
+
+#include "common/stdafx.h"
+#include "common/scummsys.h"
+#include "common/endian.h"
+#include "common/util.h"
+#include "common/file.h"
+#include "common/savefile.h"
+#include "common/system.h"
+#include "common/hash-str.h"
+
+#include "engines/engine.h"
+
+namespace Drascula {
+
+enum DrasculaGameFeatures {
+};
+
+struct DrasculaGameDescription;
+
+
+class DrasculaEngine : public ::Engine {
+	int _gameId;
+
+protected:
+
+	int init();
+	int go();
+//	void shutdown();
+
+	bool initGame();
+
+public:
+	DrasculaEngine(OSystem *syst);
+	virtual ~DrasculaEngine();
+	int getGameId() {
+		return _gameId;
+	}
+
+	Common::RandomSource *_rnd;
+	const DrasculaGameDescription *_gameDescription;
+	uint32 getGameID() const;
+	uint32 getFeatures() const;
+	uint16 getVersion() const;
+	Common::Platform getPlatform() const;
+
+private:
+
+public:
+
+};
+
+} // End of namespace Drascula
+
+#endif /* DRASCULA_H */
diff --git a/engines/drascula/module.mk b/engines/drascula/module.mk
new file mode 100644
index 0000000000..51fb965915
--- /dev/null
+++ b/engines/drascula/module.mk
@@ -0,0 +1,14 @@
+MODULE := engines/drascula
+
+MODULE_OBJS = \
+	detection.o \
+	drascula.o
+
+
+# This module can be built as a plugin
+ifdef BUILD_PLUGINS
+PLUGIN := 1
+endif
+
+# Include common rules
+include $(srcdir)/rules.mk