1 files changed, 107 insertions, 0 deletions
diff --git a/engines/wintermute/Base/BActiveRect.cpp b/engines/wintermute/Base/BActiveRect.cpp
new file mode 100644
index 0000000000..5bb538b72f
--- /dev/null
+++ b/engines/wintermute/Base/BActiveRect.cpp
@@ -0,0 +1,107 @@
+/* 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/BActiveRect.h"
+#include "engines/wintermute/Base/BGame.h"
+#include "engines/wintermute/Base/BRegion.h"
+#include "engines/wintermute/PlatformSDL.h"
+
+namespace WinterMute {
+
+//////////////////////////////////////////////////////////////////////
+CBActiveRect::CBActiveRect(CBGame *inGame): CBBase(inGame) {
+	CBPlatform::SetRectEmpty(&_rect);
+	_owner = NULL;
+	_frame = NULL;
+	_region = NULL;
+	_zoomX = 100;
+	_zoomY = 100;
+	_offsetX = _offsetY = 0;
+	ClipRect();
+}
+
+
+//////////////////////////////////////////////////////////////////////
+CBActiveRect::CBActiveRect(CBGame *inGame, CBObject *Owner, CBSubFrame *Frame, int X, int Y, int Width, int Height, float ZoomX, float ZoomY, bool Precise): CBBase(inGame) {
+	_owner = Owner;
+	_frame = Frame;
+	CBPlatform::SetRect(&_rect, X, Y, X + Width, Y + Height);
+	_zoomX = ZoomX;
+	_zoomY = ZoomY;
+	_precise = Precise;
+	_region = NULL;
+	_offsetX = _offsetY = 0;
+	ClipRect();
+}
+
+//////////////////////////////////////////////////////////////////////
+CBActiveRect::CBActiveRect(CBGame *inGame, CBObject *Owner, CBRegion *Region, int OffsetX, int OffsetY): CBBase(inGame) {
+	_owner = Owner;
+	_region = Region;
+	CBPlatform::CopyRect(&_rect, &Region->_rect);
+	CBPlatform::OffsetRect(&_rect, -OffsetX, -OffsetY);
+	_zoomX = 100;
+	_zoomY = 100;
+	_precise = true;
+	_frame = NULL;
+	ClipRect();
+	_offsetX = OffsetX;
+	_offsetY = OffsetY;
+}
+
+
+//////////////////////////////////////////////////////////////////////
+CBActiveRect::~CBActiveRect() {
+	_owner = NULL;
+	_frame = NULL;
+	_region = NULL;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void CBActiveRect::ClipRect() {
+	RECT rc;
+	bool CustomViewport;
+	Game->GetCurrentViewportRect(&rc, &CustomViewport);
+	CBRenderer *Rend = Game->_renderer;
+
+	if (!CustomViewport) {
+		rc.left -= Rend->_drawOffsetX;
+		rc.right -= Rend->_drawOffsetX;
+		rc.top -= Rend->_drawOffsetY;
+		rc.bottom -= Rend->_drawOffsetY;
+	}
+
+	if (rc.left > _rect.left) _offsetX = rc.left - _rect.left;
+	if (rc.top  > _rect.top)  _offsetY = rc.top  - _rect.top;
+
+	CBPlatform::IntersectRect(&_rect, &_rect, &rc);
+}
+
+} // end of namespace WinterMute