Core/Vmaps: Expose loaded gameobject collision models in RegularGrid2D

Author: Shauren

src/common/Collision/BoundingIntervalHierarchyWrapper.h

@@ -19,6 +19,7 @@
 #define TRINITYCORE_BOUNDING_INTERVAL_HIERARCHY_WRAPPER_H
 
 #include "BoundingIntervalHierarchy.h"
+#include <span>
 #include <unordered_map>
 
 template<class T, class BoundsFunc = BoundsTrait<T> >
@@ -115,6 +116,8 @@ class BIHWrap
         MDLCallback<IsectCallback> callback(intersectCallback, m_objects.data(), m_objects.size());
         m_tree.intersectPoint(point, callback);
     }
+
+    std::span<T const* const> getObjects() const { return m_objects; }
 };
 
 #endif // TRINITYCORE_BOUNDING_INTERVAL_HIERARCHY_WRAPPER_H

src/common/Collision/DynamicTree.cpp

@@ -280,3 +280,9 @@ bool DynamicMapTree::getAreaAndLiquidData(float x, float y, float z, PhaseShift
     }
     return false;
 }
+
+std::span<GameObjectModel const* const> DynamicMapTree::getModelsInGrid(uint32 gx, uint32 gy) const
+{
+    // convert from map tile X/Y to RegularGrid internal representation
+    return impl->getObjects(63 - int32(gx), 63 - int32(gy));
+}

src/common/Collision/DynamicTree.h

@@ -21,6 +21,7 @@
 #include "Define.h"
 #include "Optional.h"
 #include <memory>
+#include <span>
 
 namespace G3D
 {
@@ -59,6 +60,8 @@ class TC_COMMON_API DynamicMapTree
 
     void balance();
     void update(uint32 diff);
+
+    std::span<GameObjectModel const* const> getModelsInGrid(uint32 gx, uint32 gy) const;
 };
 
 #endif // _DYNTREE_H