bool GenerateMap(ArrayGrid <MapElement> map, ArrayGrid <int> valueMap)
{
Vector2Int s0 = Vector2Int.zero;
Vector2Int s1 = Vector2Int.zero;
Vector2Int p0 = Vector2Int.zero;
Vector2Int p1 = Vector2Int.zero;
Vector2Int p2 = Vector2Int.zero;
Vector2Int diff = Vector2Int.zero;
List <Rect> rooms = new List <Rect>();
List <int> roomTypes = new List <int>();
// Place rooms
for (int i = 0; i < maxNumberOfRooms; ++i)
{
// size of room
s1 = new Vector2Int(roomSizeLimitX.RandomValuei(), roomSizeLimitY.RandomValuei());
bool result = map.GetPositionOfRandomAreaOfType(defaultWallElement, s1 + roomSizeOffset, ref p0);
if (result)
{
p0 = p0.AddScalar(2);
// Connect the room to existing one
if (rooms.Count > 0)
{
int selectedRoom = GameRNG.Rand(rooms.Count);
Rect r = rooms[selectedRoom];
// center of this room
p1 = p0 + s1.DivideBy(2);
// center of second room
p2 = Vector2Int.FloorToInt(r.center);
// found the way to connect rooms
diff = p2 - p1;
diff.x = Mathf.Abs(diff.x);
diff.y = Mathf.Abs(diff.y);
s0 = p1;
while (!(diff.x == 0 && diff.y == 0))
{
if (GameRNG.Rand(diff.x + diff.y) < diff.x)// move horizontally
{
diff.x--;
s0.x += (s0.x > p2.x ? -1 : 1);
}
else
{
diff.y--;
s0.y += (s0.y > p2.y ? -1 : 1);
}
// Check what is on that position
if (map[s0] == defaultRoomElement)
{
break;
}
else if (map[s0] == defaultCorridorElement)
{
if (GameRNG.CoinToss())
{
break;
}
}
map[s0] = defaultCorridorElement;
}
}
// add to list of rooms
Rect roomRect = Rect.MinMaxRect(p0.x, p0.y, p0.x + s1.x, p0.y + s1.y);
rooms.Add(roomRect);
roomTypes.Add(i);
// draw_room
int roomType = GameRNG.Rand(4); //select the type of room we should generate
if (s1.x == s1.y)
{
roomType = 3;
}
if (roomType != 2)
{
IEnumerator <Vector2Int> areaIter = Mathnv.GetAreaEnumerator(s1);
while (areaIter.MoveNext())
{
Vector2Int current = areaIter.Current;
if (roomType == 0 || roomType == 1)// rectangle room
{
map[p0 + current] = defaultRoomElement;
}
else// round room
{
if (Vector2Int.Distance(s1.DivideBy(2), current) < s1.x / 2)
{
map[p0 + current] = defaultRoomElement;
}
}
}
}
else //diamond
{
IEnumerator <Vector2Int> areaIter = Mathnv.GetAreaEnumerator(s1.DivideBy(2) + Vector2Int.one);
while (areaIter.MoveNext())
{
Vector2Int current = areaIter.Current;
if (current.y >= current.x)
{
int x0 = p0.x + current.x + s1.DivideBy(2).x;
int x1 = p0.x + s1.DivideBy(2).x - current.x;
int y0 = p0.y + current.y;
int y1 = p0.y + s1.y - current.y;
map[x0, y0] = defaultRoomElement;
map[x0, y1] = defaultRoomElement;
map[x1, y0] = defaultRoomElement;
map[x1, y1] = defaultRoomElement;
}
}
}
} // end of room addition
}
return(true);
}
