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

Reduce the probabilty of going under the map

1 files changed, 19 insertions, 0 deletions

diff --git a/src/common/Collision/Management/VMapManager2.cpp b/src/common/Collision/Management/VMapManager2.cpp
index 5b9cb34874b..922d68140d3 100644
--- a/src/common/Collision/Management/VMapManager2.cpp
+++ b/src/common/Collision/Management/VMapManager2.cpp
@@ -234,6 +234,25 @@ namespace VMAP
         return VMAP_INVALID_HEIGHT_VALUE;
     }
 
+    float VMapManager2::getCeil(unsigned int mapId, float x, float y, float z, float maxSearchDist)
+    {
+        if (isHeightCalcEnabled() && !IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_HEIGHT))
+        {
+            InstanceTreeMap::const_iterator instanceTree = GetMapTree(mapId);
+            if (instanceTree != iInstanceMapTrees.end())
+            {
+                Vector3 pos = convertPositionToInternalRep(x, y, z);
+                float height = instanceTree->second->getCeil(pos, maxSearchDist);
+                if (!(height < G3D::finf()))
+                    return height = VMAP_INVALID_CEIL_VALUE; // No height
+
+                return height;
+            }
+        }
+
+        return VMAP_INVALID_CEIL_VALUE;
+    }
+
     bool VMapManager2::getAreaInfo(unsigned int mapId, float x, float y, float& z, uint32& flags, int32& adtId, int32& rootId, int32& groupId) const
     {
         if (!IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_AREAFLAG))