1 files changed, 103 insertions, 0 deletions
diff --git a/engines/wintermute/Base/BResourceFile.cpp b/engines/wintermute/Base/BResourceFile.cpp
new file mode 100644
index 0000000000..805868e5c8
--- /dev/null
+++ b/engines/wintermute/Base/BResourceFile.cpp
@@ -0,0 +1,103 @@
+/* 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/dcgf.h"
+#include "engines/wintermute/Base/BResourceFile.h"
+#include "engines/wintermute/Base/BResources.h"
+
+namespace WinterMute {
+
+//////////////////////////////////////////////////////////////////////////
+CBResourceFile::CBResourceFile(CBGame *inGame): CBFile(inGame) {
+	_data = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+CBResourceFile::~CBResourceFile() {
+	Close();
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CBResourceFile::Open(const Common::String &Filename) {
+	Close();
+
+	if (CBResources::GetFile(Filename.c_str(), _data, _size)) {
+		_pos = 0;
+		return S_OK;
+	}
+	return E_FAIL;
+}
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CBResourceFile::Close() {
+	_data = NULL;
+	_pos = 0;
+	_size = 0;
+
+	return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CBResourceFile::Read(void *Buffer, uint32 Size) {
+	if (!_data || _pos + Size > _size) return E_FAIL;
+
+	memcpy(Buffer, (byte *)_data + _pos, Size);
+	_pos += Size;
+
+	return S_OK;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+HRESULT CBResourceFile::Seek(uint32 Pos, TSeek Origin) {
+	if (!_data) return E_FAIL;
+
+	int32 NewPos = 0;
+
+	switch (Origin) {
+	case SEEK_TO_BEGIN:
+		NewPos = Pos;
+		break;
+	case SEEK_TO_END:
+		NewPos = _size + Pos;
+		break;
+	case SEEK_TO_CURRENT:
+		NewPos = _pos + Pos;
+		break;
+	}
+
+	if (NewPos < 0 || NewPos > _size) return E_FAIL;
+	else _pos = NewPos;
+
+	return S_OK;
+}
+
+} // end of namespace WinterMute