Ease selection of entities behind nodes (#7739)

diff --git a/src/raycast.cpp b/src/raycast.cpp
index 2dbebd83b76a334313d62ade5f48492ad4d516fe..ebc40235db815042b8d785732af2a9720a5230c1 100644 (file)
--- a/src/raycast.cpp
+++ b/src/raycast.cpp
@@ -28,12 +28,22 @@ bool RaycastSort::operator() (const PointedThing &pt1,
        // "nothing" can not be sorted
        assert(pt1.type != POINTEDTHING_NOTHING);
        assert(pt2.type != POINTEDTHING_NOTHING);
+       f32 pt1_distSq = pt1.distanceSq;
+
+       // Add some bonus when one of them is an object
+       if (pt1.type != pt2.type) {
+               if (pt1.type == POINTEDTHING_OBJECT)
+                       pt1_distSq -= BS * BS;
+               else if (pt2.type == POINTEDTHING_OBJECT)
+                       pt1_distSq += BS * BS;
+       }
+
        // returns false if pt1 is nearer than pt2
-       if (pt1.distanceSq < pt2.distanceSq) {
+       if (pt1_distSq < pt2.distanceSq) {
                return false;
        }
 
-       if (pt1.distanceSq == pt2.distanceSq) {
+       if (pt1_distSq == pt2.distanceSq) {
                // Sort them to allow only one order
                if (pt1.type == POINTEDTHING_OBJECT)
                        return (pt2.type == POINTEDTHING_OBJECT