requirements foundation

Assets/Escape Room Engine/Engine/Scripts/Engine.cs

@@ -82,17 +82,31 @@ namespace Escape_Room_Engine.Engine.Scripts
             // add puzzles
             for (var i = 0; i < Utilities.Utilities.RandomInclusive(minPuzzleCount, maxPuzzleCount); i++)
             {
-                var puzzle = new PuzzleModule(space, puzzleTypes.RandomElement());
-                puzzle.Place(new Vector2Int(
-                    Random.Range(0, rrDimensions.width),
-                    Random.Range(0, rrDimensions.length)
-                ));
-                space.AddModule(puzzle);
+                GeneratePuzzle(space);
             }
             
             room.AddSpace(space, exit);
         }
 
+        private void GeneratePuzzle(Space space)
+        {
+            var puzzle = new PuzzleModule(space, puzzleTypes.RandomElement());
+            
+            // place puzzle
+            var placementCandidates = space.rrDimensions.EveryPosition;
+            puzzle._description.PlacementRequirements.ForEach(requirement =>
+                placementCandidates.IntersectWith(requirement.PlacementCandidates(puzzle, space)));
+            if (placementCandidates.Count > 0)
+            {
+                puzzle.Place(placementCandidates.RandomElement());
+                space.AddModule(puzzle);
+            }
+            else
+            {
+                Logger.Log("Could not find suitable placement for puzzle", LogType.PuzzleGeneration);
+            }
+        }
+
         /// <summary>
         /// Generate space dimensions that fit the required size constraints and cover the position of the entrance.
         /// </summary>