6 files changed, 122 insertions, 2 deletions
diff --git a/engines/wintermute/base/base_file_manager.cpp b/engines/wintermute/base/base_file_manager.cpp
index 16ae85f41d..7ae499e368 100644
--- a/engines/wintermute/base/base_file_manager.cpp
+++ b/engines/wintermute/base/base_file_manager.cpp
@@ -29,6 +29,7 @@
 #include "engines/wintermute/base/base_file_manager.h"
 #include "engines/wintermute/base/base_persistence_manager.h"
 #include "engines/wintermute/base/file/base_disk_file.h"
+#include "engines/wintermute/base/file/base_savefile_manager_file.h"
 #include "engines/wintermute/base/file/base_save_thumb_file.h"
 #include "engines/wintermute/base/file/base_package.h"
 #include "engines/wintermute/base/base_engine.h"
@@ -355,6 +356,17 @@ Common::SeekableReadStream *BaseFileManager::openFile(const Common::String &file
 
 
 //////////////////////////////////////////////////////////////////////////
+Common::WriteStream *BaseFileManager::openFileForWrite(const Common::String &filename) {
+	if (strcmp(filename.c_str(), "") == 0) {
+		return nullptr;
+	}
+	debugC(kWintermuteDebugFileAccess, "Open file %s for write", filename.c_str());
+
+	return openFileForWriteRaw(filename);
+}
+
+
+//////////////////////////////////////////////////////////////////////////
 bool BaseFileManager::closeFile(Common::SeekableReadStream *File) {
 	for (uint32 i = 0; i < _openFiles.size(); i++) {
 		if (_openFiles[i] == File) {
@@ -404,6 +416,19 @@ Common::SeekableReadStream *BaseFileManager::openFileRaw(const Common::String &f
 	return nullptr;
 }
 
+//////////////////////////////////////////////////////////////////////////
+Common::WriteStream *BaseFileManager::openFileForWriteRaw(const Common::String &filename) {
+	Common::WriteStream *ret = nullptr;
+
+	ret = openSfmFileForWrite(filename);
+	if (ret) {
+		return ret;
+	}
+
+	debugC(kWintermuteDebugFileAccess ,"BFileManager::OpenFileRaw - Failed to open %s", filename.c_str());
+	return nullptr;
+}
+
 BaseFileManager *BaseFileManager::getEngineInstance() {
 	if (BaseEngine::instance().getFileManager()) {
 		return BaseEngine::instance().getFileManager();
diff --git a/engines/wintermute/base/base_file_manager.h b/engines/wintermute/base/base_file_manager.h
index 2c67d83462..85181f1f58 100644
--- a/engines/wintermute/base/base_file_manager.h
+++ b/engines/wintermute/base/base_file_manager.h
@@ -44,6 +44,7 @@ public:
 	bool hasFile(const Common::String &filename);
 	int listMatchingMembers(Common::ArchiveMemberList &list, const Common::String &pattern);
 	Common::SeekableReadStream *openFile(const Common::String &filename, bool absPathWarning = true, bool keepTrackOf = true);
+	Common::WriteStream *openFileForWrite(const Common::String &filename);
 	byte *readWholeFile(const Common::String &filename, uint32 *size = nullptr, bool mustExist = true);
 
 	BaseFileManager(Common::Language lang, bool detectionMode = false);
@@ -62,6 +63,7 @@ private:
 	bool registerPackages();
 	void initResources();
 	Common::SeekableReadStream *openFileRaw(const Common::String &filename);
+	Common::WriteStream *openFileForWriteRaw(const Common::String &filename);
 	Common::SeekableReadStream *openPkgFile(const Common::String &filename);
 	Common::FSList _packagePaths;
 	bool registerPackage(Common::FSNode package, const Common::String &filename = "", bool searchSignature = false);
diff --git a/engines/wintermute/base/file/base_savefile_manager_file.cpp b/engines/wintermute/base/file/base_savefile_manager_file.cpp
new file mode 100644
index 0000000000..8bf684192a
--- /dev/null
+++ b/engines/wintermute/base/file/base_savefile_manager_file.cpp
@@ -0,0 +1,53 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/base/file/base_savefile_manager_file.h"
+#include "engines/wintermute/base/base_file_manager.h"
+#include "engines/wintermute/base/base_engine.h"
+#include "common/system.h"
+#include "common/savefile.h"
+
+
+namespace Wintermute {
+
+Common::String makeSfmFilename(const Common::String &filename) {
+	Common::String smFilename = filename;
+	for (size_t i = 0; i < smFilename.size(); i++) {
+		if (smFilename[i] == '/' || smFilename[i] == '\\') {
+			smFilename.setChar('_', i);
+		}
+	}
+	return BaseEngine::instance().getGameTargetName() + "." + smFilename;
+}
+
+Common::SeekableReadStream *openSfmFile(const Common::String &filename) {
+	Common::String smFilename = makeSfmFilename(filename);
+	return g_system->getSavefileManager()->openRawFile(smFilename);
+}
+
+} // End of namespace Wintermute
diff --git a/engines/wintermute/base/file/base_savefile_manager_file.h b/engines/wintermute/base/file/base_savefile_manager_file.h
new file mode 100644
index 0000000000..fb9e150503
--- /dev/null
+++ b/engines/wintermute/base/file/base_savefile_manager_file.h
@@ -0,0 +1,40 @@
+/* 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.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#ifndef WINTERMUTE_BASE_SAVEFILEMANAGERFILE_H
+#define WINTERMUTE_BASE_SAVEFILEMANAGERFILE_H
+
+#include "common/stream.h"
+
+namespace Wintermute {
+
+Common::WriteStream *openSfmFileForWrite(const Common::String &filename);
+
+} // End of namespace Wintermute
+
+#endif
diff --git a/engines/wintermute/base/scriptables/script_ext_file.cpp b/engines/wintermute/base/scriptables/script_ext_file.cpp
index 15ddd4bcca..daded7057c 100644
--- a/engines/wintermute/base/scriptables/script_ext_file.cpp
+++ b/engines/wintermute/base/scriptables/script_ext_file.cpp
@@ -815,9 +815,8 @@ bool SXFile::persist(BasePersistenceManager *persistMgr) {
 	return STATUS_OK;
 }
 
-// Should replace fopen(..., "wb+") and fopen(..., "w+")
 Common::WriteStream *SXFile::openForWrite(const Common::String &filename, bool binary) {
-	error("SXFile::openForWrite - WriteFiles not supported");
+	return BaseFileManager::getEngineInstance()->openFileForWrite(_filename);
 }
 
 // Should replace fopen(..., "ab+") and fopen(..., "a+")
diff --git a/engines/wintermute/module.mk b/engines/wintermute/module.mk
index 49484ac62d..6dcaa3e828 100644
--- a/engines/wintermute/module.mk
+++ b/engines/wintermute/module.mk
@@ -46,6 +46,7 @@ MODULE_OBJS := \
 	base/file/base_file_entry.o \
 	base/file/base_package.o \
 	base/file/base_save_thumb_file.o \
+	base/file/base_savefile_manager_file.o \
 	base/font/base_font_bitmap.o \
 	base/font/base_font_truetype.o \
 	base/font/base_font.o \