fix: check if height is similar rather then exact between resources

Some older maps have inconsistent height values even at the same base location

Author: raspersc2

sc2/bot_ai_internal.py

@@ -193,10 +193,16 @@ def _find_expansion_locations(self):
                 # Check if any pair of resource of these groups is closer than threshold together
                 # And that they are on the same terrain level
                 if any(
-                    resource_a.distance_to(resource_b) <= resource_spread_threshold
-                    and height_grid[resource_a.position.rounded]
-                    == height_grid[resource_b.position.rounded]
-                    for resource_a, resource_b in itertools.product(group_a, group_b)
+                        resource_a.distance_to(resource_b) <= resource_spread_threshold
+                        # check if terrain height measurement at resources is within 10 units
+                        # this is since some older maps have inconsistent terrain height
+                        # tiles at certain expansion locations
+                        and abs(
+                            height_grid[resource_a.position.rounded]
+                            - height_grid[resource_b.position.rounded]
+                        )
+                        <= 10
+                        for resource_a, resource_b in itertools.product(group_a, group_b)
                 ):
                     # Remove the single groups and add the merged group
                     resource_groups.remove(group_a)