territory claiming modification

game/territory-autobattler/scenes/game/hex_grid_screen.gd

@@ -677,7 +677,7 @@ func _confirm_scout_claim() -> void:
 	if pending_move_q == 9999:
 		return
 	if not _can_claim_tile(pending_move_q, pending_move_r):
-		coordinate_label.text = "Scouts can only claim visible unclaimed territory adjacent to controlled territory."
+		coordinate_label.text = "Scouts can only claim visible neutral or enemy territory adjacent to controlled territory."
 		return
 	selected_q = pending_move_q
 	selected_r = pending_move_r
@@ -804,8 +804,9 @@ func _can_claim_tile(q: int, r: int) -> bool:
 	if location.is_empty():
 		return false
 
+	var username: String = str(session.get("username", ""))
 	var owner_username: String = _nullable_string(location.get("ownerUsername", ""))
-	return owner_username.is_empty() and grid_view.has_owned_neighbor(q, r)
+	return owner_username != username and grid_view.has_owned_neighbor(q, r)
 
 
 func _update_action_buttons() -> void:

microservices/LocationsApi/Controllers/LocationsController.cs

@@ -100,19 +100,22 @@ public class LocationsController : ControllerBase
             {
                 return Ok(LocationResponse.FromLocation(existingLocation));
             }
+        }
 
-            return Conflict("Location is already controlled by another player.");
+        if (!User.IsInRole("SUPER") && !await _locations.CanScoutClaimAsync(username, request.Q, request.R))
+        {
+            return BadRequest("Scouts can only claim neutral territory or empty enemy territory without units or buildings.");
         }
 
         if (!User.IsInRole("SUPER") && !await _units.TryConsumeCompletedScoutAsync(username))
         {
-            return BadRequest("A completed scout is required to claim unclaimed territory.");
+            return BadRequest("A completed scout is required to claim territory.");
         }
 
         var location = await _locations.ClaimAsync(request.Q, request.R, username);
         if (location is null)
         {
-            return Conflict("Location is already controlled by another player.");
+            return Conflict("Location cannot be claimed while occupied or built up.");
         }
 
         return Ok(LocationResponse.FromLocation(location));

microservices/LocationsApi/Services/LocationService.cs

@@ -145,8 +145,12 @@ public class LocationService
         var existing = await GetAsync(q, r);
         if (existing is not null)
         {
-            if (!string.IsNullOrWhiteSpace(existing.OwnerUsername) &&
-                !string.Equals(existing.OwnerUsername, username, StringComparison.OrdinalIgnoreCase))
+            if (string.Equals(existing.OwnerUsername, username, StringComparison.OrdinalIgnoreCase))
+            {
+                return existing;
+            }
+
+            if (!await CanScoutClaimAsync(username, q, r))
             {
                 return null;
             }
@@ -164,6 +168,26 @@ public class LocationService
         return await UpsertAsync(new UpsertLocationRequest { Q = q, R = r, Terrain = "Field" }, username);
     }
 
+    public async Task<bool> CanScoutClaimAsync(string username, int q, int r)
+    {
+        var existing = await GetAsync(q, r);
+        if (existing is not null)
+        {
+            if (string.Equals(existing.OwnerUsername, username, StringComparison.OrdinalIgnoreCase))
+            {
+                return true;
+            }
+
+            if (string.Equals(existing.Kind, "Home", StringComparison.OrdinalIgnoreCase) ||
+                !string.IsNullOrWhiteSpace(existing.BuildingType))
+            {
+                return false;
+            }
+        }
+
+        return !await _units.Find(x => x.Q == q && x.R == r).AnyAsync();
+    }
+
     public async Task<Location?> BuildAsync(BuildLocationRequest request, string username)
     {
         var buildingType = NormalizeBuildingType(request.BuildingType);

microservices/LocationsApi/Services/UnitTrainingService.cs

@@ -375,10 +375,6 @@ public class UnitTrainingService
                     .Unset(x => x.MovementCompletesAtUtc)
                     .Set(x => x.UpdatedAtUtc, now));
 
-            if (unit.UnitType == ArcherUnitType)
-            {
-                await ClaimTargetIfEmptyAsync(username, destinationQ, destinationR, now);
-            }
         }
     }
 
@@ -503,64 +499,6 @@ public class UnitTrainingService
         return step == start ? target : step;
     }
 
-    private async Task ClaimTargetIfEmptyAsync(string username, int q, int r, DateTime now)
-    {
-        var hasOtherUnits = await _units.Find(x => x.Username != username && x.Q == q && x.R == r).AnyAsync();
-        var target = await _locations.Find(x => x.Q == q && x.R == r).FirstOrDefaultAsync();
-        var hasBuilding = target is not null &&
-            (!string.IsNullOrWhiteSpace(target.BuildingType) ||
-             string.Equals(target.Kind, "Home", StringComparison.OrdinalIgnoreCase));
-
-        if (hasOtherUnits || hasBuilding)
-        {
-            return;
-        }
-
-        if (target is null)
-        {
-            var location = new Location
-            {
-                Q = q,
-                R = r,
-                Terrain = "Field",
-                Kind = "Claimed",
-                OwnerUsername = username,
-                Level = 1,
-                CreatedAtUtc = now,
-                UpdatedAtUtc = now
-            };
-
-            try
-            {
-                await _locations.InsertOneAsync(location);
-            }
-            catch (MongoWriteException)
-            {
-            }
-
-            return;
-        }
-
-        if (string.Equals(target.OwnerUsername, username, StringComparison.OrdinalIgnoreCase))
-        {
-            return;
-        }
-
-        var capturableFilter = Builders<Location>.Filter.And(
-            Builders<Location>.Filter.Eq(x => x.Id, target.Id),
-            Builders<Location>.Filter.Ne(x => x.Kind, "Home"),
-            Builders<Location>.Filter.Or(
-                Builders<Location>.Filter.Eq(x => x.BuildingType, null),
-                Builders<Location>.Filter.Eq(x => x.BuildingType, "")));
-
-        await _locations.UpdateOneAsync(
-            capturableFilter,
-            Builders<Location>.Update
-                .Set(x => x.OwnerUsername, username)
-                .Set(x => x.Kind, "Claimed")
-                .Set(x => x.UpdatedAtUtc, now));
-    }
-
     private static int HexDistance(int q1, int r1, int q2, int r2)
     {
         var s1 = -q1 - r1;