3 files changed, 32 insertions, 15 deletions

diff --git a/engines/prince/object.cpp b/engines/prince/object.cpp
index 94d55b5716..86d4238bc0 100644
--- a/engines/prince/object.cpp
+++ b/engines/prince/object.cpp
@@ -32,8 +32,8 @@
 
 namespace Prince {
 
-Object::Object() : _surface(NULL), _x(0), _y(0), _z(0), _mask(0),
-	_zoomInSource(0), _zoomInLen(0), _zoomInAddr(0), _zoomInTime(0)
+Object::Object() : _surface(NULL), _x(0), _y(0), _z(0), _mask(0), _width(0),
+	_height(0), _zoomInSource(0), _zoomInLen(0), _zoomInAddr(0), _zoomInTime(0)
 {
 }
 
@@ -47,12 +47,12 @@ Object::~Object() {
 
 void Object::loadSurface(Common::SeekableReadStream &stream) {
 	stream.skip(4);
-	int width = stream.readUint16LE();
-	int height = stream.readUint16LE();
+	_width = stream.readUint16LE();
+	_height = stream.readUint16LE();
 	_surface = new Graphics::Surface();
-	_surface->create(width, height, Graphics::PixelFormat::createFormatCLUT8());
+	_surface->create(_width, _height, Graphics::PixelFormat::createFormatCLUT8());
 
-	for (int h = 0; h < _surface->h; ++h) {
+	for (int h = 0; h < _surface->h; h++) {
 		stream.read(_surface->getBasePtr(0, h), _surface->w);
 	}
 }
diff --git a/engines/prince/object.h b/engines/prince/object.h
index ea1ad9dc0d..1fb7465a0d 100644
--- a/engines/prince/object.h
+++ b/engines/prince/object.h
@@ -36,6 +36,8 @@ public:
 	int32 _x;
 	int32 _y;
 	int32 _z;
+	uint16 _width;
+	uint16 _height;
 	int32 _mask; // or flags
 	int32 _zoomInSource;
 	int32 _zoomInLen;
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 80e6177987..83a471a6ed 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -815,7 +815,7 @@ int PrinceEngine::checkMob(Graphics::Surface *screen, Common::Array<Mob> &mobLis
 		const Mob& mob = *it;
 		mobNumber++;
 
-		if (mob._visible != 0) { // 0 is for visible
+		if (mob._visible) {
 			continue;
 		}
 
@@ -830,18 +830,35 @@ int PrinceEngine::checkMob(Graphics::Surface *screen, Common::Array<Mob> &mobLis
 			break;
 		case 3:
 			//mob_obj
+			if (mob._mask < _objList.size()) {
+				Object &obj = *_objList[mob._mask];
+				Common::Rect objectRect(obj._x, obj._y, obj._x + obj._width, obj._y + obj._height);
+				if (objectRect.contains(mousePosCamera)) {
+					Graphics::Surface *objSurface = obj.getSurface();
+					byte *pixel = (byte *)objSurface->getBasePtr(mousePosCamera.x - obj._x, mousePosCamera.y - obj._y);
+					if (*pixel != 255) {
+						break;
+					}
+				}
+			}
 			continue;
 			break;
 		case 2:
 		case 5:
 			//check_ba_mob
-			if (_backAnimList[mob._mask]._seq._current != 0) {
+			if (mob._mask < _backAnimList.size()) {
 				int currentAnim = _backAnimList[mob._mask]._seq._currRelative;
 				Anim &backAnim = _backAnimList[mob._mask].backAnims[currentAnim];
-				if (backAnim._state == 0) {
+				if (!backAnim._state) {
 					Common::Rect backAnimRect(backAnim._currX, backAnim._currY, backAnim._currX + backAnim._currW, backAnim._currY + backAnim._currH);
 					if (backAnimRect.contains(mousePosCamera)) {
-						break;
+						int phase = backAnim._showFrame;
+						int phaseFrameIndex = backAnim._animData->getPhaseFrameIndex(phase);
+						Graphics::Surface *backAnimSurface = backAnim._animData->getFrame(phaseFrameIndex);
+						byte *pixel = (byte *)backAnimSurface->getBasePtr(mousePosCamera.x - backAnim._currX, mousePosCamera.y - backAnim._currY);
+						if (*pixel != 255) {
+							break;
+						}
 					}
 				}
 			}
@@ -1661,11 +1678,9 @@ void PrinceEngine::prepareInventoryToView() {
 			if (item < _mainHero->_inventory.size()) {
 				int itemNr = _mainHero->_inventory[item];
 				tempMobItem._visible = 0;
-				tempMobItem._mask =  itemNr; // itemNr - 1??
-				tempMobItem._rect.left = currInvX + _picWindowX; //picWindowX2 ?
-				tempMobItem._rect.right = currInvX + _picWindowX + _invLineW  - 1; // picWindowX2 ?
-				tempMobItem._rect.top = currInvY;
-				tempMobItem._rect.bottom = currInvY + _invLineH - 1;
+				tempMobItem._mask =  itemNr;
+				tempMobItem._rect = Common::Rect(currInvX + _picWindowX, currInvY, currInvX + _picWindowX + _invLineW  - 1, currInvY + _invLineH - 1);
+				tempMobItem._type = 0; // to work with checkMob()
 
 				tempMobItem._name = "";
 				tempMobItem._examText = "";