using UnityEngine; using System.Collections.Generic; public class MapGenerator : MonoBehaviour { [Header("Room Settings")] [SerializeField] private GameObject roomPrefab; [SerializeField] private Vector2 roomSizeMinMax = new Vector2(5f, 10f); [SerializeField] private int minRooms = 10; [SerializeField] private int maxRooms = 20; [Header("Key Rooms")] [SerializeField] private int numberOfKeyRooms = 3; [SerializeField] private List keyRoomPrefabs; [Header("Generation Area")] [SerializeField] private Vector3 generationAreaSize = new Vector3(100f, 10f, 100f); private List rooms = new List(); [System.Serializable] public class Room { public GameObject gameObject; public Bounds bounds; public Vector3 position; public Vector3 size; public Room(GameObject obj, Bounds b, Vector3 pos, Vector3 sz) { gameObject = obj; bounds = b; position = pos; size = sz; } } private void Start() { GenerateMap(); } public void GenerateMap() { ClearMap(); int roomCount = Random.Range(minRooms, maxRooms + 1); int keyRoomCounter = 0; for (int i = 0; i < roomCount; i++) { GameObject prefabToInstantiate = roomPrefab; bool isKeyRoom = false; if (keyRoomCounter < numberOfKeyRooms && keyRoomPrefabs.Count > 0) { if (Random.value > 0.7f) // Adjust probability of key room generation { prefabToInstantiate = keyRoomPrefabs[Random.Range(0, keyRoomPrefabs.Count)]; isKeyRoom = true; keyRoomCounter++; } } Vector3 roomSize = new Vector3(Random.Range(roomSizeMinMax.x, roomSizeMinMax.y), Random.Range(roomSizeMinMax.x, roomSizeMinMax.y), Random.Range(roomSizeMinMax.x, roomSizeMinMax.y)); Vector3 roomPosition = GetRandomPosition(roomSize); GameObject newRoomObj = Instantiate(prefabToInstantiate, roomPosition, Quaternion.identity, transform); newRoomObj.transform.localScale = roomSize; Room newRoom = new Room(newRoomObj, newRoomObj.GetComponent().bounds, roomPosition, roomSize); if (!IsOverlapping(newRoom)) { rooms.Add(newRoom); } else { Destroy(newRoomObj); } } ConnectRooms(); } private void ClearMap() { foreach (Room room in rooms) { if (room.gameObject != null) { Destroy(room.gameObject); } } rooms.Clear(); } private Vector3 GetRandomPosition(Vector3 roomSize) { float xPos = Random.Range(-generationAreaSize.x / 2f + roomSize.x / 2f, generationAreaSize.x / 2f - roomSize.x / 2f); float yPos = Random.Range(0, generationAreaSize.y / 2f); // Keep rooms at ground level for simplicity, adjust as needed float zPos = Random.Range(-generationAreaSize.z / 2f + roomSize.z / 2f, generationAreaSize.z / 2f - roomSize.z / 2f); return new Vector3(xPos, yPos, zPos); } private bool IsOverlapping(Room newRoom) { foreach (Room existingRoom in rooms) { if (newRoom.bounds.Intersects(existingRoom.bounds)) { return true; } } return false; } private void ConnectRooms() { if (rooms.Count < 2) return; for (int i = 0; i < rooms.Count - 1; i++) { ConnectTwoRooms(rooms[i], rooms[i + 1]); } } private void ConnectTwoRooms(Room roomA, Room roomB) { // Simple connection: create a corridor between room centers. // You can expand this to use door points and more sophisticated corridor generation. Vector3 centerA = roomA.bounds.center; Vector3 centerB = roomB.bounds.center; // Calculate direction and distance Vector3 direction = (centerB - centerA).normalized; float distance = Vector3.Distance(centerA, centerB); // Create a corridor (simple cube for now) GameObject corridor = GameObject.CreatePrimitive(PrimitiveType.Cube); corridor.transform.position = centerA + direction * distance / 2f; corridor.transform.rotation = Quaternion.LookRotation(direction); corridor.transform.localScale = new Vector3(1f, 1f, distance); // Adjust corridor size as needed corridor.transform.parent = transform; // Parent corridor to the MapGenerator for organization } private void OnDrawGizmosSelected() { Gizmos.color = Color.yellow; Gizmos.DrawWireCube(transform.position, generationAreaSize); } }