SCI32: Added sanity checks to kAddScreenItem and kUpdateScreenItem, so that they don't try and draw cels outside the screen

svn-id: r46767

2 files changed, 11 insertions, 0 deletions

diff --git a/engines/sci/gui/gui.cpp b/engines/sci/gui/gui.cpp
index 33d124cc54..fcbe4f9a05 100644
--- a/engines/sci/gui/gui.cpp
+++ b/engines/sci/gui/gui.cpp
@@ -823,6 +823,14 @@ void SciGui::portraitShow(Common::String resourceName, Common::Point position, u
 void SciGui::portraitUnload(uint16 portraitId) {
 }
 
+uint16 SciGui::getScreenWidth() {
+	return _screen->_displayWidth;
+}
+
+uint16 SciGui::getScreenHeight() {
+	return _screen->_displayHeight;
+}
+
 bool SciGui::debugUndither(bool flag) {
 	_screen->unditherSetState(flag);
 	return false;
diff --git a/engines/sci/gui/gui.h b/engines/sci/gui/gui.h
index 4db3d931d2..ee1604d25b 100644
--- a/engines/sci/gui/gui.h
+++ b/engines/sci/gui/gui.h
@@ -149,6 +149,9 @@ public:
 	virtual void portraitShow(Common::String resourceName, Common::Point position, uint16 resourceNum, uint16 noun, uint16 verb, uint16 cond, uint16 seq);
 	virtual void portraitUnload(uint16 portraitId);
 
+	virtual uint16 getScreenWidth();
+	virtual uint16 getScreenHeight();
+
 	virtual bool debugUndither(bool flag);
 	virtual bool debugShowMap(int mapNo);