1 files changed, 30 insertions, 6 deletions

diff --git a/engines/fullpipe/motion.cpp b/engines/fullpipe/motion.cpp
index 51f5ae7869..e5eb9721f4 100644
--- a/engines/fullpipe/motion.cpp
+++ b/engines/fullpipe/motion.cpp
@@ -38,7 +38,31 @@ bool MotionController::load(MfcArchive &file) {
 }
 
 void MotionController::enableLinks(const char *linkName, bool enable) {
-	warning("STUB: MotionController::enableLinks()");
+	if (_objtype != kObjTypeMctlCompound)
+		return;
+
+	MctlCompound *obj = (MctlCompound *)this;
+
+	for (uint i = 0;  i < obj->getMotionControllerCount(); i++) {
+		MotionController *con = obj->getMotionController(i);
+
+		if (con->_objtype == kObjTypeMovGraph) {
+			MovGraph *gr = (MovGraph *)con;
+
+			for (ObList::iterator l = gr->_links.begin(); l != gr->_links.end(); ++l) {
+				assert(((CObject *)*l)->_objtype == kObjTypeMovGraphLink);
+
+				MovGraphLink *lnk = (MovGraphLink *)*l;
+
+				if (!strcmp(lnk->_name, linkName)) {
+					if (enable)
+						lnk->_flags |= 0x20000000;
+					else
+						lnk->_flags &= 0xDFFFFFFF;
+				}
+			}
+		}
+	}
 }
 
 MovGraphLink *MotionController::getLinkByName(const char *name) {
@@ -2735,16 +2759,16 @@ MovGraphLink *MctlGraph::getNearestLink(int x, int y) {
 			double n1y = lnk->_graphSrc->_y;
 			double n2x = lnk->_graphDst->_x;
 			double n2y = lnk->_graphDst->_y;
-			double n1dx = n1x - x;
+			double n1dx = x - n1x;
 			double n1dy = n1y - y;
 			double dst1 = sqrt(n1dy * n1dy + n1dx * n1dx);
 			double coeff1 = ((n1y - n2y) * n1dy + (n2x - n1x) * n1dx) / lnk->_length / dst1;
 			double dst3 = coeff1 * dst1;
 			double dst2 = sqrt(1.0 - coeff1 * coeff1) * dst1;
 
-			if (coeff1 * dst1 < 0.0) {
+			if (dst3 < 0.0) {
 				dst3 = 0.0;
-				dst2 = sqrt(n1dy * n1dy + n1dx * n1dx);
+				dst2 = sqrt((n1x - x) * (n1x - x) + (n1y - y) * (n1y - y));
 			}
 			if (dst3 > lnk->_length) {
 				dst3 = lnk->_length;
@@ -3055,13 +3079,13 @@ void ReactPolygonal::getBBox(Common::Rect *rect) {
 		if (rect->left > _points[i]->x)
 			rect->left = _points[i]->x;
 
-		if (rect->top < _points[i]->y)
+		if (rect->top > _points[i]->y)
 			rect->top = _points[i]->y;
 
 		if (rect->right < _points[i]->x)
 			rect->right = _points[i]->x;
 
-		if (rect->bottom > _points[i]->y)
+		if (rect->bottom < _points[i]->y)
 			rect->bottom = _points[i]->y;
 	}