FULLPIPE: Implement MovGraph::calcNodeDistancesAndAngles()

2 files changed, 25 insertions, 0 deletions

diff --git a/engines/fullpipe/motion.cpp b/engines/fullpipe/motion.cpp
index ebf896cf1e..750c2de5ea 100644
--- a/engines/fullpipe/motion.cpp
+++ b/engines/fullpipe/motion.cpp
@@ -357,6 +357,18 @@ double MovGraph::calcDistance(Common::Point *point, MovGraphLink *link, int fuzz
 	return res;
 }
 
+void MovGraph::calcNodeDistancesAndAngles() {
+	for (ObList::iterator i = _links.begin(); i != _links.end(); ++i) {
+		assert(((CObject *)*i)->_objtype == kObjTypeMovGraphLink);
+
+		MovGraphLink *lnk = (MovGraphLink *)*i;
+
+		lnk->_flags &= 0x7FFFFFFF;
+
+		lnk->calcNodeDistanceAndAngle();
+	}
+}
+
 int MovGraph2::getItemIndexByGameObjectId(int objectId) {
 	for (uint i = 0; i < _items.size(); i++)
 		if (_items[i]->_objectId == objectId)
@@ -1248,6 +1260,16 @@ bool MovGraphLink::load(MfcArchive &file) {
 	return true;
 }
 
+void MovGraphLink::calcNodeDistanceAndAngle() {
+	if (_movGraphNode1) {
+		double dx = _movGraphNode2->_x - _movGraphNode1->_x;
+		double dy = _movGraphNode2->_y - _movGraphNode1->_y;
+
+		_distance = sqrt(dy * dy + dx * dx);
+		_angle = atan2(dx, dy);
+	}
+}
+
 bool MovGraphNode::load(MfcArchive &file) {
 	debug(5, "MovGraphNode::load()");
 
diff --git a/engines/fullpipe/motion.h b/engines/fullpipe/motion.h
index 85ad084f60..7da0c47fb2 100644
--- a/engines/fullpipe/motion.h
+++ b/engines/fullpipe/motion.h
@@ -206,6 +206,8 @@ class MovGraphLink : public CObject {
   public:
 	MovGraphLink();
 	virtual bool load(MfcArchive &file);
+
+	void calcNodeDistanceAndAngle();
 };
 
 struct MovGraphItem {
@@ -255,6 +257,7 @@ class MovGraph : public MotionController {
 	virtual int method50();
 
 	double calcDistance(Common::Point *point, MovGraphLink *link, int fuzzyMatch);
+	void calcNodeDistancesAndAngles();
 	MovGraphNode *calcOffset(int ox, int oy);
 };