private static void CreateVerticalTunnel(int y1, int y2, int x, DungeonLevelData levelData)
{
for (int y = Mathf.Min(y1, y2); y <= Mathf.Max(y1, y2); y++)
{
levelData.floor[x, y] = true;
}
}
private static void CreateHorizontalTunnel(int x1, int x2, int y, DungeonLevelData levelData)
{
for (int x = Mathf.Min(x1, x2); x <= Mathf.Max(x1, x2); x++)
{
levelData.floor[x, y] = true;
}
}
private static void CreateRoom(RectInt rect, DungeonLevelData levelData)
{
for (int x = rect.xMin + 1; x < rect.xMax; x++)
{
for (int y = rect.yMin + 1; y < rect.yMax; y++)
{
levelData.floor[x, y] = true;
}
}
}
private static void AddEntities(RectInt rect, Entity[] entities, int maxCount, DungeonLevelData levelData)
{
int numberOfEntities = Random.Range(0, maxCount + 1);
for (int i = 0; i < numberOfEntities; i++)
{
int x = Random.Range(rect.xMin + 1, rect.xMax);
int y = Random.Range(rect.yMin + 1, rect.yMax);
bool validPos = true;
foreach (var entity in levelData.entities)
{
if (entity.x == x && entity.y == y)
{
validPos = false;
break;
}
}
if (validPos)
{
var prefab = entities[Random.Range(0, entities.Length)];
levelData.entities.Add(new DungeonEntityData()
{
x = x, y = y, prefab = prefab
});
}
}
}
public static DungeonLevelData Generate(DungeonLevelSettings settings)
{
var levelData = new DungeonLevelData(settings.size.x, settings.size.y);
for (int i = 0; i < settings.maxRooms; i++)
{
int w = Random.Range(settings.minRoomSize, settings.maxRoomSize + 1);
int h = Random.Range(settings.minRoomSize, settings.maxRoomSize + 1);
int x = Random.Range(0, settings.size.x - w - 1);
int y = Random.Range(0, settings.size.y - h - 1);
var newRoom = new RectInt(x, y, w, h);
bool discardRoom = false;
foreach (var room in levelData.rooms)
{
if (Intersects(newRoom, room))
{
discardRoom = true;
break;
}
}
if (discardRoom == false)
{
CreateRoom(newRoom, levelData);
AddEntities(newRoom, settings.entities, settings.maxEntitiesPerRoom, levelData);
//put the player in the first room
if (i == 0)
{
var pos = Vector2Int.RoundToInt(newRoom.center);
levelData.entities.Add(new DungeonEntityData()
{
x = pos.x, y = pos.y, prefab = settings.player
});
}
if (levelData.rooms.Count > 0)
{
Vector2Int c1 = Vector2Int.FloorToInt(levelData.rooms[levelData.rooms.Count - 1].center);
Vector2Int c2 = Vector2Int.FloorToInt(newRoom.center);
if (Random.Range(0, 2) == 0)
{
CreateHorizontalTunnel(c1.x, c2.x, c1.y, levelData);
CreateVerticalTunnel(c1.y, c2.y, c2.x, levelData);
}
else
{
CreateVerticalTunnel(c1.y, c2.y, c1.x, levelData);
CreateHorizontalTunnel(c1.x, c2.x, c2.y, levelData);
}
}
levelData.rooms.Add(newRoom);
}
}
return(levelData);
}