Core/Entities: Reduce the probability of units dropping under the map (#21322)

Reduce the probabilty of going under the map

1 files changed, 13 insertions, 0 deletions

diff --git a/src/common/Collision/DynamicTree.cpp b/src/common/Collision/DynamicTree.cpp
index 96378ef9c0d..a69d54c7f9a 100644
--- a/src/common/Collision/DynamicTree.cpp
+++ b/src/common/Collision/DynamicTree.cpp
@@ -254,3 +254,16 @@ float DynamicMapTree::getHeight(float x, float y, float z, float maxSearchDist,
     else
         return -G3D::finf();
 }
+
+float DynamicMapTree::getCeil(float x, float y, float z, float maxSearchDist, uint32 phasemask) const
+{
+    G3D::Vector3 v(x, y, z);
+    G3D::Ray r(v, G3D::Vector3(0, 0, 1));
+    DynamicTreeIntersectionCallback callback(phasemask);
+    impl->intersectZAllignedRay(r, callback, maxSearchDist);
+
+    if (callback.didHit())
+        return v.z + maxSearchDist;
+
+    return G3D::finf();
+}