Exemple #1
0
    public override void fillRoom(LevelGenerator ourGenerator, ExitConstraint requiredExits)
    {
        base.fillRoom(ourGenerator, requiredExits);
        foreach (SearchVertex vertex in _closed)
        {
            // Only look at vertices that were dead ends and weren't neighboring the exits.
            if (!vertex.isDeadEnd)
            {
                continue;
            }

            bool closeToExit = false;
            foreach (Vector2Int exitPoint in requiredExits.requiredExitLocations())
            {
                int manDistanceToExit = (int)Mathf.Abs(exitPoint.x - vertex.gridPos.x) + (int)Mathf.Abs(exitPoint.y - vertex.gridPos.y);
                if (manDistanceToExit <= 1)
                {
                    closeToExit = true;
                    break;
                }
            }
            if (closeToExit)
            {
                continue;
            }

            // Spawn the arrow traps depending on if we're open to the left or the right.
            if (vertex.parent.gridPos.x < vertex.gridPos.x)
            {
                Tile.spawnTile(faceLeftArrowTrapPrefab, transform, (int)vertex.gridPos.x, (int)vertex.gridPos.y);
            }
            else if (vertex.parent.gridPos.x > vertex.gridPos.x)
            {
                Tile.spawnTile(faceRightArrowTrapPrefab, transform, (int)vertex.gridPos.x, (int)vertex.gridPos.y);
            }
        }
    }
Exemple #2
0
    public override void fillRoom(LevelGenerator ourGenerator, ExitConstraint requiredExits)
    {
        bool[,] wallMap = new bool[LevelGenerator.ROOM_WIDTH, LevelGenerator.ROOM_HEIGHT];

        // Start completely filled with walls.
        for (int x = 0; x < LevelGenerator.ROOM_WIDTH; x++)
        {
            for (int y = 0; y < LevelGenerator.ROOM_HEIGHT; y++)
            {
                wallMap[x, y] = true;
            }
        }

        bool    foundStartPos = false;
        Vector2 startPos      = new Vector2(Random.Range(0, LevelGenerator.ROOM_WIDTH), Random.Range(0, LevelGenerator.ROOM_HEIGHT));

        foreach (Vector2Int exitLocation in requiredExits.requiredExitLocations())
        {
            wallMap[exitLocation.x, exitLocation.y] = false;
            if (!foundStartPos)
            {
                startPos      = exitLocation;
                foundStartPos = true;
            }
        }

        _agenda.Clear();
        _closed.Clear();

        SearchVertex startVertex = new SearchVertex();

        startVertex.gridPos = startPos;
        startVertex.parent  = null;

        _agenda.Add(startVertex);

        while (_agenda.Count > 0)
        {
            SearchVertex currentVertex = _agenda[_agenda.Count - 1];
            _agenda.RemoveAt(_agenda.Count - 1);
            if (listContainsVertex(_closed, currentVertex.gridPos))
            {
                continue;
            }


            _closed.Add(currentVertex);

            _neighbors.Clear();

            Vector2 neighborPos = currentVertex.gridPos + Vector2.up * 2;
            if (inGrid(neighborPos) &&
                !listContainsVertex(_closed, neighborPos))
            {
                _neighbors.Add(neighborPos);
            }
            neighborPos = currentVertex.gridPos + Vector2.right * 2;
            if (inGrid(neighborPos) &&
                !listContainsVertex(_closed, neighborPos))
            {
                _neighbors.Add(neighborPos);
            }
            neighborPos = currentVertex.gridPos - Vector2.up * 2;
            if (inGrid(neighborPos) &&
                !listContainsVertex(_closed, neighborPos))
            {
                _neighbors.Add(neighborPos);
            }
            neighborPos = currentVertex.gridPos - Vector2.right * 2;
            if (inGrid(neighborPos) &&
                !listContainsVertex(_closed, neighborPos))
            {
                _neighbors.Add(neighborPos);
            }


            if (_neighbors.Count > 0)
            {
                GlobalFuncs.shuffle(_neighbors);
            }
            else
            {
                currentVertex.isDeadEnd = true;
            }
            foreach (Vector2 neighbor in _neighbors)
            {
                SearchVertex neighborVertex = new SearchVertex();
                neighborVertex.gridPos = neighbor;
                neighborVertex.parent  = currentVertex;
                _agenda.Add(neighborVertex);
            }
        }

        // Now go through the closed set and carve out space for all of the neighbors.
        foreach (SearchVertex vertex in _closed)
        {
            if (vertex.parent == null)
            {
                wallMap[(int)vertex.gridPos.x, (int)vertex.gridPos.y] = false;
                continue;
            }

            int currentX = (int)vertex.gridPos.x;
            int currentY = (int)vertex.gridPos.y;
            wallMap[currentX, currentY] = false;


            Vector2 endPos  = vertex.parent.gridPos;
            int     targetX = (int)endPos.x;
            int     targetY = (int)endPos.y;

            while (currentX != targetX || currentY != targetY)
            {
                if (currentX < targetX)
                {
                    currentX++;
                }
                else if (currentX > targetX)
                {
                    currentX--;
                }

                if (currentY < targetY)
                {
                    currentY++;
                }
                else if (currentY > targetY)
                {
                    currentY--;
                }

                wallMap[currentX, currentY] = false;
            }
        }

        // Now we remove some extra walls
        List <Vector2> wallLocations = new List <Vector2>();

        for (int i = 0; i < extraWallsToRemove; i++)
        {
            wallLocations.Clear();
            for (int x = 0; x < LevelGenerator.ROOM_WIDTH; x++)
            {
                for (int y = 0; y < LevelGenerator.ROOM_HEIGHT; y++)
                {
                    if (wallMap[x, y])
                    {
                        wallLocations.Add(new Vector2(x, y));
                    }
                }
            }

            if (wallLocations.Count > 1)
            {
                Vector2 wallToRemove = GlobalFuncs.randElem(wallLocations);
                wallMap[(int)wallToRemove.x, (int)wallToRemove.y] = false;
            }
        }

        for (int x = 0; x < LevelGenerator.ROOM_WIDTH; x++)
        {
            for (int y = 0; y < LevelGenerator.ROOM_HEIGHT; y++)
            {
                if (wallMap[x, y])
                {
                    Tile.spawnTile(ourGenerator.normalWallPrefab, transform, x, y);
                }
            }
        }
    }