bugfix(Geometry): Checks Hitboxes for buildings with BOX Geometry, preventing the building to take damage without being hit

Core/GameEngine/Include/Common/GameDefines.h

@@ -42,6 +42,10 @@
 #define RETAIL_COMPATIBLE_PATHFINDING (0)
 #endif
 
+#ifndef USE_ACCURATE_SPHERE_TO_RECT
+#define USE_ACCURATE_SPHERE_TO_RECT (0) // Use Accurate Sphere to Rect Collision Detection
+#endif
+
 // This is essentially synonymous for RETAIL_COMPATIBLE_CRC. There is a lot wrong with AIGroup, such as use-after-free, double-free, leaks,
 // but we cannot touch it much without breaking retail compatibility. Do not shy away from using massive hacks when fixing issues with AIGroup,
 // but put them behind this macro.

GeneralsMD/Code/GameEngine/Include/GameLogic/PartitionManager.h

@@ -154,6 +154,16 @@ enum DistanceCalculationType CPP_11(: Int)
 	FROM_BOUNDINGSPHERE_3D	= 3		///< measure from Object bounding sphere in 3d.
 };
 
+//=====================================
+/** */
+//=====================================
+enum HeightBoundaryCheckType CPP_11(: Int)
+{
+	DEFAULT_HEIGHT_CHECK	= 0,
+	SKIP_HEIGHT_CHECK	= 1,
+	BOUNDARY_HEIGHT_CHECK	= 2
+};
+
 //=====================================
 /**
 	a Plain Old Data structure that is used to get optional results from collidesWith().
@@ -162,6 +172,16 @@ struct CollideLocAndNormal
 {
 	Coord3D loc;
 	Coord3D normal;
+#if !RETAIL_COMPATIBLE_CRC && !PRESERVE_RETAIL_BEHAVIOR
+	Real distSqr;
+	HeightBoundaryCheckType heightCheck;
+
+	CollideLocAndNormal() : distSqr(0.0f), heightCheck(DEFAULT_HEIGHT_CHECK)
+	{
+		loc.zero();
+		normal.zero();
+	}
+#endif
 };
 
 //=====================================
@@ -1442,7 +1462,9 @@ class PartitionManager : public SubsystemInterface, public Snapshot
 							Real angle1,
 							const Coord3D* pos2,
 							const GeometryInfo& geom2,
-							Real angle2
+							Real angle2,
+							HeightBoundaryCheckType heightCheckType = DEFAULT_HEIGHT_CHECK,
+							Real *abDistSqr = NULL
   ) const;
 
 	/// finding legal positions in the world