public float Distance(GenRoom r) { return(Math.Abs(GetCenter().x - r.GetCenter().x) + Math.Abs(GetCenter().y - r.GetCenter().y)); //float power = 2; //float dist = (float) Math.Pow( // Math.Pow(GetCenter().x - r.GetCenter().x, power) // + Math.Pow(GetCenter().y - r.GetCenter().y, power), // 1 / power); //Debug.Log(bounds.center + " " + bounds + " " + dist); //return dist; }
public static void AddCurve(HashSet <GenRoom> rooms, GenEdge ed) { GenRoom higher = ed.r1.r.GetCenter().y > ed.r2.r.GetCenter().y ? ed.r1.r : ed.r2.r; GenRoom lower = ed.r1.r.GetCenter().y > ed.r2.r.GetCenter().y ? ed.r2.r : ed.r1.r; GenRoom righter = ed.r1.r.GetCenter().x > ed.r2.r.GetCenter().x ? ed.r1.r : ed.r2.r; GenRoom lefter = ed.r1.r.GetCenter().x > ed.r2.r.GetCenter().x ? ed.r2.r : ed.r1.r; RectInt r = new RectInt(lefter.GetCenter().x, lower.GetCenter().y, righter.GetCenter().x - lefter.GetCenter().x, higher.GetCenter().y - lower.GetCenter().y); GenRoom verticalLefter = new GenRoom(); verticalLefter.bounds.x = r.x - TUNNEL_THICKNESS / 2; verticalLefter.bounds.y = r.y - TUNNEL_THICKNESS / 2; verticalLefter.bounds.width = TUNNEL_THICKNESS; verticalLefter.bounds.height = r.height + TUNNEL_THICKNESS; GenRoom horizontalLower = new GenRoom(); horizontalLower.bounds.x = r.x - TUNNEL_THICKNESS / 2; horizontalLower.bounds.y = r.y - TUNNEL_THICKNESS / 2; horizontalLower.bounds.width = r.width + TUNNEL_THICKNESS; horizontalLower.bounds.height = TUNNEL_THICKNESS; GenRoom verticalRighter = new GenRoom(); verticalRighter.bounds.x = r.x + r.width - TUNNEL_THICKNESS / 2; verticalRighter.bounds.y = r.y - TUNNEL_THICKNESS / 2; verticalRighter.bounds.width = TUNNEL_THICKNESS; verticalRighter.bounds.height = r.height + TUNNEL_THICKNESS; GenRoom horizontalHigher = new GenRoom(); horizontalHigher.bounds.x = r.x - TUNNEL_THICKNESS / 2; horizontalHigher.bounds.y = r.y + r.height - TUNNEL_THICKNESS / 2; horizontalHigher.bounds.width = r.width + TUNNEL_THICKNESS; horizontalHigher.bounds.height = TUNNEL_THICKNESS; if (lower == lefter) { horizontalLower.bounds.x = r.x + lower.bounds.width / 2; horizontalLower.bounds.width = r.width - lower.bounds.width / 2 + TUNNEL_THICKNESS / 2; horizontalHigher.bounds.width = r.width - higher.bounds.width / 2 + TUNNEL_THICKNESS / 2; verticalLefter.bounds.y = r.y + lower.bounds.height / 2; verticalLefter.bounds.height = r.height - lower.bounds.height / 2 + TUNNEL_THICKNESS / 2; verticalRighter.bounds.height = r.height - higher.bounds.height / 2 + TUNNEL_THICKNESS / 2; } if (lower == righter) { horizontalHigher.bounds.x = r.x + higher.bounds.width / 2; horizontalHigher.bounds.width = r.width - higher.bounds.width / 2 + TUNNEL_THICKNESS / 2; horizontalLower.bounds.width = r.width - lower.bounds.width / 2 + TUNNEL_THICKNESS / 2; verticalRighter.bounds.y = r.y + lower.bounds.height / 2; verticalRighter.bounds.height = r.height - lower.bounds.height / 2 + TUNNEL_THICKNESS / 2; verticalLefter.bounds.height = r.height - higher.bounds.height / 2 + TUNNEL_THICKNESS / 2; } bool flip = UnityEngine.Random.value > 0.5; bool diffX = ed.r2.r.GetCenter().x - ed.r1.r.GetCenter().x > 0; bool diffY = ed.r2.r.GetCenter().y - ed.r1.r.GetCenter().y > 0; bool addHorizontal1 = false, addHorizontal2 = false, addVertical1 = false, addVertical2 = false; if (diffX && diffY) { if (flip) { addVertical1 = true; addHorizontal2 = true; } else { addVertical2 = true; addHorizontal1 = true; } } else if (diffX && !diffY) { if (flip) { addVertical2 = true; addHorizontal2 = true; } else { addVertical1 = true; addHorizontal1 = true; } } else if (!diffX && diffY) { if (flip) { addVertical1 = true; addHorizontal1 = true; } else { addVertical2 = true; addHorizontal2 = true; } } else if (!diffX && !diffY) { if (flip) { addVertical2 = true; addHorizontal1 = true; } else { addVertical1 = true; addHorizontal2 = true; } } if (addHorizontal1) { rooms.Add(horizontalLower); if (lower == lefter) { for (int i = 0; i < TUNNEL_THICKNESS; i++) { lower.doorsRight.Add(new Vector2Int(horizontalLower.bounds.x - 1, horizontalLower.bounds.y + i)); } } else { for (int i = 0; i < TUNNEL_THICKNESS; i++) { lower.doorsLeft.Add(new Vector2Int(horizontalLower.bounds.x + horizontalLower.bounds.width, horizontalLower.bounds.y + i)); } } } if (addHorizontal2) { rooms.Add(horizontalHigher); if (lower == righter) { for (int i = 0; i < TUNNEL_THICKNESS; i++) { higher.doorsRight.Add(new Vector2Int(horizontalHigher.bounds.x - 1, horizontalHigher.bounds.y + i)); } } else { for (int i = 0; i < TUNNEL_THICKNESS; i++) { higher.doorsLeft.Add(new Vector2Int(horizontalHigher.bounds.x + horizontalHigher.bounds.width, horizontalHigher.bounds.y + i)); } } } if (addVertical1) { rooms.Add(verticalLefter); if (lower == lefter) { for (int i = 0; i < TUNNEL_THICKNESS; i++) { lower.doorsUp.Add(new Vector2Int(verticalLefter.bounds.x + i, verticalLefter.bounds.y - 1)); } } else { for (int i = 0; i < TUNNEL_THICKNESS; i++) { higher.doorsDown.Add(new Vector2Int(verticalLefter.bounds.x + i, verticalLefter.bounds.y + verticalLefter.bounds.height)); } } } if (addVertical2) { rooms.Add(verticalRighter); if (lower == righter) { for (int i = 0; i < TUNNEL_THICKNESS; i++) { lower.doorsUp.Add(new Vector2Int(verticalRighter.bounds.x + i, verticalRighter.bounds.y - 1)); } } else { for (int i = 0; i < TUNNEL_THICKNESS; i++) { higher.doorsDown.Add(new Vector2Int(verticalRighter.bounds.x + i, verticalRighter.bounds.y + verticalRighter.bounds.height)); } } } }
public void Generate() { int minRoomSize = 50; rooms = new HashSet <GenRoom>(); for (int i = 0; i < 7 + ( int )(UnityEngine.Random.value * 4); i++) { GenRoom room = new GenRoom(); room.bounds.width = ((15 + ( int )(UnityEngine.Random.value * 20)) / 2) * 2; room.bounds.height = ((15 + ( int )(UnityEngine.Random.value * 20)) / 2) * 2; rooms.Add(room); } while (true) { bool changed = false; foreach (GenRoom r1 in rooms) { foreach (GenRoom r2 in rooms) { if (r1 == r2) { continue; } Vector2Int p1 = new Vector2Int(r1.bounds.x + r1.bounds.width / 2, r1.bounds.y + r1.bounds.height / 2); Vector2Int p2 = new Vector2Int(r2.bounds.x + r2.bounds.width / 2, r2.bounds.y + r2.bounds.height / 2); if (Math.Pow(Vector2Int.Distance(p1, p2), 2) < 2 * minRoomSize * minRoomSize + 2) { r2.bounds.x += ( int )((UnityEngine.Random.value - 0.5) * 5); r2.bounds.y += ( int )((UnityEngine.Random.value - 0.5) * 2.5); changed = true; break; } } if (changed) { break; } } if (!changed) { break; } } HashSet <GenVertex> Q = new HashSet <GenVertex>(); foreach (GenRoom r in rooms) { Q.Add(new GenVertex(r)); } GenVertex root = null; foreach (GenVertex v in Q) { if (root == null || v.r.bounds.x < root.r.bounds.x) { root = v; } } root.value = 0; HashSet <GenEdge> E = new HashSet <GenEdge>(); HashSet <GenEdge> G = new HashSet <GenEdge>(); HashSet <GenVertex> F = new HashSet <GenVertex>(); foreach (GenVertex r1 in Q) { foreach (GenVertex r2 in Q) { if (r1 == r2) { goto outer; } foreach (GenEdge e in E) { if (e.r2 == r1 && e.r1 == r2) { goto outer; } } E.Add(new GenEdge(r1, r2)); } outer :; } F.Add(root); Q.Remove(root); while (Q.Count > 0) { GenEdge start2 = null; foreach (GenEdge e in E) { if (F.Contains(e.r1) ^ F.Contains(e.r2)) { if (start2 == null || e.dist < start2.dist) { start2 = e; } } } Q.Remove(start2.r2); Q.Remove(start2.r1); F.Add(start2.r2); F.Add(start2.r1); E.Remove(start2); G.Add(start2); if (start2.r1.value < start2.r2.value) { start2.r2.value = ( float )(start2.r1.value + start2.dist); } else { start2.r1.value = ( float )(start2.r2.value + start2.dist); } } // G list of edges // rooms list of rooms HashSet <GenRoom> rooms2 = new HashSet <GenRoom>(); foreach (GenEdge ed in G) { // horizontal float diff1 = ed.r1.r.bounds.y - ed.r2.r.bounds.y - ed.r2.r.bounds.height + TUNNEL_THICKNESS; float diff2 = ed.r2.r.bounds.y - ed.r1.r.bounds.y - ed.r1.r.bounds.height + TUNNEL_THICKNESS; // vertical float diff3 = ed.r1.r.bounds.x - ed.r2.r.bounds.x - ed.r2.r.bounds.width + TUNNEL_THICKNESS; float diff4 = ed.r2.r.bounds.x - ed.r1.r.bounds.x - ed.r1.r.bounds.width + TUNNEL_THICKNESS; if (diff1 < 0 && diff2 < 0) { AddStraightHorizontal(rooms2, ed); } else if (diff3 < 0 && diff4 < 0) { AddStraightVertical(rooms2, ed); } else { AddCurve(rooms2, ed); } } HashSet <Vector2Int> allDoors = new HashSet <Vector2Int>(); foreach (GenRoom r in rooms) { for (int x1 = r.bounds.x; x1 < r.bounds.x + r.bounds.width; x1++) { for (int y1 = r.bounds.y; y1 < r.bounds.y + r.bounds.height; y1++) { int xMode = (x1 == r.bounds.x) ? -1 : (x1 == r.bounds.x + r.bounds.width - 1) ? 1 : 0; int yMode = (y1 == r.bounds.y) ? -1 : (y1 == r.bounds.y + r.bounds.height - 1) ? 1 : 0; r.tiles.Add(new Vector2Int(x1, y1), new GenTile(Room.TileType.WALL, GenTile.GetPosition(xMode, yMode))); } } for (int x1 = r.bounds.x + 1; x1 < r.bounds.x + r.bounds.width - 1; x1++) { for (int y1 = r.bounds.y + 1; y1 < r.bounds.y + r.bounds.height - 1; y1++) { r.tiles[new Vector2Int(x1, y1)].type = Room.TileType.GROUND; } } allDoors.UnionWith(r.AllDoors()); foreach (Vector2Int v in r.doorsDown) { r.tiles[v].type = Room.TileType.DOOR; r.tiles[v].position = GenTile.Position.BOTTOM; } foreach (Vector2Int v in r.doorsUp) { r.tiles[v].type = Room.TileType.DOOR; r.tiles[v].position = GenTile.Position.TOP; } foreach (Vector2Int v in r.doorsLeft) { r.tiles[v].type = Room.TileType.DOOR; r.tiles[v].position = GenTile.Position.LEFT; } foreach (Vector2Int v in r.doorsRight) { r.tiles[v].type = Room.TileType.DOOR; r.tiles[v].position = GenTile.Position.RIGHT; } } path = new GenRoom(); foreach (GenRoom r in rooms2) { for (int x1 = r.bounds.x; x1 < r.bounds.x + r.bounds.width; x1++) { for (int y1 = r.bounds.y; y1 < r.bounds.y + r.bounds.height; y1++) { Vector2Int pos1 = new Vector2Int(x1, y1); if (path.tiles.ContainsKey(pos1)) { path.tiles[pos1].type = Room.TileType.GROUND; } else { path.tiles.Add(pos1, new GenTile(Room.TileType.GROUND)); } Vector2Int pos2 = new Vector2Int(x1 + 1, y1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.RIGHT)); } pos2 = new Vector2Int(x1 - 1, y1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.LEFT)); } pos2 = new Vector2Int(x1, y1 + 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.TOP)); } pos2 = new Vector2Int(x1, y1 - 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.BOTTOM)); } } } for (int x1 = r.bounds.x; x1 < r.bounds.x + r.bounds.width; x1++) { for (int y1 = r.bounds.y; y1 < r.bounds.y + r.bounds.height; y1++) { Vector2Int pos2 = new Vector2Int(x1 + 1, y1 + 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.TOP_RIGHT)); } pos2 = new Vector2Int(x1 - 1, y1 + 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.TOP_LEFT)); } pos2 = new Vector2Int(x1 + 1, y1 - 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.BOTTOM_RIGHT)); } pos2 = new Vector2Int(x1 - 1, y1 - 1); if (!path.tiles.ContainsKey(pos2) && !allDoors.Contains(pos2)) { path.tiles.Add(pos2, new GenTile(Room.TileType.WALL, GenTile.Position.BOTTOM_LEFT)); } } } if (r.AllDoors().Count > 0) { throw new NotSupportedException("Paths should not have any doors"); } } start = root.r; end = null; foreach (GenRoom r in rooms) { if (end == null || r.bounds.x > end.bounds.x) { end = r; } } rooms.Remove(start); rooms.Remove(end); foreach (GenRoom r in rooms) { GenerateInterior(r); } start.spawnpoints.Add(start.GetCenter()); end.spawnpoints.Add(end.GetCenter()); foreach (Vector2Int v in allDoors) { foreach (GenRoom r in rooms) { for (int x = -TUNNEL_THICKNESS; x < TUNNEL_THICKNESS; x++) { for (int y = -TUNNEL_THICKNESS; y < TUNNEL_THICKNESS; y++) { if (r.tiles.ContainsKey(v + new Vector2Int(x, y)) && r.tiles[v + new Vector2Int(x, y)].type == Room.TileType.ROCK) { r.tiles[v + new Vector2Int(x, y)].type = Room.TileType.GROUND; } } } } { GenRoom r = path; if (r.tiles.ContainsKey(v + new Vector2Int(0, 1)) && r.tiles[v + new Vector2Int(0, 1)].type == Room.TileType.WALL) { r.tiles.Remove(v + new Vector2Int(0, 1)); } if (r.tiles.ContainsKey(v + new Vector2Int(0, -1)) && r.tiles[v + new Vector2Int(0, -1)].type == Room.TileType.WALL) { r.tiles.Remove(v + new Vector2Int(0, -1)); } if (r.tiles.ContainsKey(v + new Vector2Int(1, 0)) && r.tiles[v + new Vector2Int(1, 0)].type == Room.TileType.WALL) { r.tiles.Remove(v + new Vector2Int(1, 0)); } if (r.tiles.ContainsKey(v + new Vector2Int(-1, 0)) && r.tiles[v + new Vector2Int(-1, 0)].type == Room.TileType.WALL) { r.tiles.Remove(v + new Vector2Int(-1, 0)); } } } foreach (GenRoom r in rooms) { MakeRoomRelative(r); } MakeRoomRelative(start); MakeRoomRelative(end); MakeRoomRelative(path); }