1 files changed, 101 insertions, 0 deletions
diff --git a/common/engine.cpp b/common/engine.cpp
new file mode 100644
index 0000000000..bd416f5f70
--- /dev/null
+++ b/common/engine.cpp
@@ -0,0 +1,101 @@
+/* ScummVM - Scumm Interpreter
+ * Copyright (C) 2002 The ScummVM project
+ *
+ * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#include "stdafx.h"
+#include "engine.h"
+#include "gameDetector.h"
+#include "config-file.h"
+#include "scumm.h"
+#include "simon/simon.h"
+#include "sound/mixer.h"
+
+/* FIXME - BIG HACK for MidiEmu */
+OSystem *g_system = 0;
+SoundMixer *g_mixer = 0;
+
+Engine::Engine(GameDetector *detector, OSystem *syst)
+	: _system(syst)
+{
+	_mixer = new SoundMixer();
+
+	_gameDataPath = detector->_gameDataPath;
+
+	/* FIXME - BIG HACK for MidiEmu */
+	g_system = _system;
+	g_mixer = _mixer;
+}
+
+Engine::~Engine()
+{
+	delete _mixer;
+}
+
+const char *Engine::getSavePath() const
+{
+	const char *dir = NULL;
+
+#ifdef _WIN32_WCE
+	dir = _gameDataPath;
+#else
+
+#if !defined(MACOS_CARBON)
+	dir = getenv("SCUMMVM_SAVEPATH");
+#endif
+
+	// If SCUMMVM_SAVEPATH was not specified, try to use game specific savepath from config
+	if (!dir || dir[0] == 0)
+		dir = scummcfg->get("savepath");
+
+	// If SCUMMVM_SAVEPATH was not specified, try to use general path from config
+	if (!dir || dir[0] == 0)
+		dir = scummcfg->get("savepath", "scummvm");
+
+	// If no save path was specified, use no directory prefix
+	if (dir == NULL)
+		dir = "";
+#endif
+
+	return dir;
+}
+
+Engine *Engine::createFromDetector(GameDetector *detector, OSystem *syst)
+{
+	Engine *engine;
+
+	if (detector->_gameId >= GID_SIMON_FIRST && detector->_gameId <= GID_SIMON_LAST) {
+		// Simon the Sorcerer
+		detector->_gameId -= GID_SIMON_FIRST;
+		engine = new SimonState(detector, syst);
+	} else {
+		// Some kind of Scumm game
+		if (detector->_features & GF_OLD256)
+			engine = new Scumm_v3(detector, syst);
+		else if (detector->_features & GF_SMALL_HEADER)	// this force loomCD as v4
+			engine = new Scumm_v4(detector, syst);
+		else if (detector->_features & GF_AFTER_V7)
+			engine = new Scumm_v7(detector, syst);
+		else if (detector->_features & GF_AFTER_V6)	// this force SamnmaxCD as v6
+			engine = new Scumm_v6(detector, syst);
+		else
+			engine = new Scumm_v5(detector, syst);
+	}
+
+	return engine;
+}