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diff --git a/engines/macventure/datafiles.cpp b/engines/macventure/datafiles.cpp
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+/* 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.
+ *
+ */
+
+/*
+ * Based on
+ * WebVenture (c) 2010, Sean Kasun
+ * https://github.com/mrkite/webventure, http://seancode.com/webventure/
+ *
+ * Used with explicit permission from the author
+ */
+
+#ifndef MACVENTURE_DATAFILES_H
+#define MACVENTURE_DATAFILES_H
+
+#include "macventure/macventure.h"
+#include "macventure/windows.h"
+
+#include "common/unzip.h"
+
+namespace MacVenture {
+
+#define MACVENTURE_DATA_BUNDLE Common::String("macventure.dat")
+
+struct BorderName {
+	MVWindowType type;
+	const char *name;
+};
+
+static const BorderName g_borderNames[] = {
+	{kDocument, "Document"},
+	{kDBox, "DBox"},
+	{kPlainDBox, "PlainDBox"},
+	{kAltBox, "AltBox"},
+	{kNoGrowDoc, "NoGrowDoc"},
+	{kMovableDBox, "MovableDBox"},
+	{kZoomDoc, "ZoomDoc"},
+	{kZoomNoGrow, "ZoomNoGrow"},
+	{kInvWindow, "InvWindow"},
+	{kRDoc16, "RDoc16"},
+	{kRDoc4, "RDoc4"},
+	{kRDoc6, "RDoc6"},
+	{kRDoc10, "RDoc10"},
+	{kNoType, "No type"}
+};
+
+Common::String windowTypeName(MVWindowType windowType) {
+	int i = 0;
+	while (g_borderNames[i].type != kNoType) {
+		i++;
+		if (g_borderNames[i].type == windowType) {
+			return g_borderNames[i].name;
+		}
+	}
+	return "";
+}
+
+void MacVentureEngine::loadDataBundle() {
+	_dataBundle = Common::makeZipArchive(MACVENTURE_DATA_BUNDLE);
+	if (!_dataBundle) {
+		error("ENGINE: Couldn't load data bundle '%s'.", MACVENTURE_DATA_BUNDLE.c_str());
+	}
+}
+
+Common::SeekableReadStream *MacVentureEngine::getBorderFile(MVWindowType windowType, bool isActive) {
+	Common::String filename = windowTypeName(windowType);
+	filename += (isActive ? "_act.bmp" : "_inac.bmp");
+	if (!_dataBundle->hasFile(filename)) {
+		warning("Missing border file '%s' in data bundle", filename.c_str());
+		return NULL;
+	}
+
+	return _dataBundle->createReadStreamForMember(filename);
+}
+
+} // End of namespace MacVenture
+
+#endif