/// <summary>
/// This method is used to merge two grids together. It should be noted that the second grid
/// will overlap stuff on the first grid.
/// </summary>
/// <returns></returns>
public static GridLayerAsync MergeGrid(GridLayerAsync firstGrid, GridLayerAsync secondGrid)
{
// Check for their size.
if (firstGrid.Width != secondGrid.Width || firstGrid.Height != secondGrid.Height)
{
throw new InvalidLayerSizeException(secondGrid.Width, secondGrid.Height,
firstGrid.Width, firstGrid.Height);
}
// Create new grid with first grid as reference.
GridLayerAsync output = firstGrid;
// Replace everything that's not empty from second grid to first grid.
for (int width = 0; width < output.Width; width++)
{
for (int height = 0; height < output.Height; height++)
{
if (secondGrid[width, height].Type != BlockType.Empty)
{
output[width, height].Type = secondGrid[width, height].Type;
}
}
}
return(output);
}
public async Task <GridLayerAsync> CreateCellLayer()
{
GridLayerAsync output = new GridLayerAsync(Width, Height);
Point requiredIncrement = (GetLowestPoint() * new Point(-1, -1)) + new Point(2, 2);
// Get highest point of the block.
Point highestPoint = GetHighestPoint() + requiredIncrement;
// Now we get the size of the blocks.
Point blockSize = new Point(highestPoint.X / Width, highestPoint.Y / Height);
// After getting the info, we can process the cells.
// Now async!
List <Task> tasks = new List <Task>();
foreach (Cell cell in Cells)
{
Cell tempCell = cell;
tasks.Add(Task.Run(() => {
// We need to find the top left and bottom right coordinates for the boxes.
int xTL = 1, yTL = 1;
int xBR = 1, yBR = 1;
for (int x = 0, xCoord = 0; x < Width && xCoord <= highestPoint.X; x++, xCoord += blockSize.X)
{
for (int y = 0, yCoord = 0; y < Height && yCoord <= highestPoint.Y; y++, yCoord += blockSize.Y)
{
// Make temp cell to check for collision.
Cell blockCell = new Cell(blockSize, new Point(xCoord, yCoord));
// Check if cell point collides with it.
if (blockCell.CheckCollision(tempCell.Location + requiredIncrement))
{
xTL = x;
yTL = y;
}
if (blockCell.CheckCollision(tempCell.Location + tempCell.Size + requiredIncrement))
{
xBR = x;
yBR = y;
}
}
}
// After finding them, fill them in.
for (int x = xTL; x < xBR; x++)
{
for (int y = yTL; y < yBR; y++)
{
output[x, y].Type = BlockType.Room;
}
}
}));
}
await Task.WhenAll(tasks);
return(output);
}
/// <summary>
/// This one creates a tunnel layer, with given set of grid.
/// </summary>
/// <param name="width">Height of the canvas.</param>
/// <param name="height"></param>
/// <returns></returns>
public async Task <GridLayerAsync> CreateTunnelLayer()
{
GridLayerAsync output = new GridLayerAsync(Width, Height);
// Adjust the coordinates first.
//AdjustNegativePoint();
// We can't do that since it will invalidate the hash in tunnels.
// So we have to increase the thing manually.
// TODO: There must be a better way to do this.
Point requiredIncrement = (GetLowestPoint() * new Point(-1, -1)) + new Point(2, 2);
// Get highest point of the block.
//Point highestPoint = GetHighestPoint() + requiredIncrement;
Point highestPoint = GetHighestPoint() + requiredIncrement;
// Now we get the size of the blocks.
Point blockSize = new Point(highestPoint.X / Width, highestPoint.Y / Height);
// After we get the info, now we can process the tunnels.
// Now async!
List <Task> tasks = new List <Task>();
foreach (Tunnel tunnel in Tunnels)
{
Tunnel tempTunnel = tunnel;
tasks.Add(Task.Run(async() => {
// Get the points in the tunnel.
Point cellA = Cells.Single(obj => obj.GetHashCode() == tempTunnel.CellHashA).LocationCenter + requiredIncrement;
Point cellB = Cells.Single(obj => obj.GetHashCode() == tempTunnel.CellHashB).LocationCenter + requiredIncrement;
// Turn the tunnels into points of path.
List <Point> tunnelPaths = new List <Point>();
if (tempTunnel.AnglePoint.Any())
{
// Insert the first one.
tunnelPaths.AddRange(Utility.CreatePathPoints(cellA, tempTunnel.AnglePoint.First() + requiredIncrement,
(int)cellA.Distance(tempTunnel.AnglePoint.First() + requiredIncrement)));
// Insert the stuff in between.
if (tempTunnel.AnglePoint.Count > 1)
{
for (int a = 1; a <= tempTunnel.AnglePoint.Count; a++)
{
tunnelPaths.AddRange(Utility.CreatePathPoints(tunnelPaths[a - 1] + requiredIncrement,
tunnelPaths[a] + requiredIncrement,
(int)(tunnelPaths[a - 1] + requiredIncrement)
.Distance(tunnelPaths[a] + requiredIncrement) / NodeDivider));
}
}
// Insert the last one.
tunnelPaths.AddRange(Utility.CreatePathPoints(cellB,
tempTunnel.AnglePoint.Last() + requiredIncrement,
(int)cellB.Distance(tempTunnel.AnglePoint.First() + requiredIncrement) / NodeDivider));
}
else
{
tunnelPaths.AddRange(Utility.CreatePathPoints(cellA + requiredIncrement,
cellB + requiredIncrement,
(int)cellA.Distance(cellB) / NodeDivider));
}
// Now we simply need to process all the points. We do this by iterating through all the
// blocks and change the one that collides with every points.
// Now async!
List <Task> tasks1 = new List <Task>();
for (int x = 0, xCoord = 0; x < Width && xCoord <= highestPoint.X; x++, xCoord += blockSize.X)
{
for (int y = 0, yCoord = 0; y < Height && yCoord <= highestPoint.Y; y++, yCoord += blockSize.Y)
{
int tx = x;
int ty = y;
int cx = xCoord;
int cy = yCoord;
tasks1.Add(Task.Run(() => {
// Make a temp cell to check for collision.
Cell blockCell = new Cell(blockSize, new Point(cx, cy));
// Iterate through path points.
foreach (Point point in tunnelPaths)
{
// Check for collision. If so, set the grid appropriately and break.
if (blockCell.CheckCollision(point))
{
output[tx, ty].Type = BlockType.Tunnel;
break;
}
}
}));
}
}
await Task.WhenAll(tasks1);
}));
}
await Task.WhenAll(tasks);
return(output);
}
/// <summary>
/// This static method is used to generate doors - things that connects the tunnels
/// and rooms.
/// </summary>
/// <param name="grid"></param>
/// <returns></returns>
public static GridLayerAsync GenerateConnections(GridLayerAsync grid)
{
// This is used to blacklist blocks from checks. This is used
// to prevent creating a large amount of doors in very close
// proximity.
List <(int, int)> noScan = new List <(int, int)>();
GridLayerAsync output = grid;
// We iterate through the grids.
for (int x = 0; x < grid.Width; x++)
{
for (int y = 0; y < grid.Height; y++)
{
// Check if it's blacklisted.
if (noScan.Contains((x, y)))
{
continue;
}
// Now check for surrounding. Here's the condition of getting marked
// as a room connection blacklist;
// - Block has to have a tunnel on its side.
// - If the block has been marked, it will check for another in its sides,
// touching room. If it has, blacklist them.
// Check its top block.
if (y > 0 && output[x, y].Type == BlockType.RoomWall && output[x, y - 1].Type == BlockType.Tunnel)
{
// Make sure left and right side are not empty. If so, don't make the connection.
if (output[x - 1, y].Type != BlockType.Empty && output[x + 1, y].Type != BlockType.Empty)
{
output[x, y].Type = BlockType.RoomConnector;
}
}
// Check its left block.
if (x > 0 && output[x, y].Type == BlockType.RoomWall && output[x - 1, y].Type == BlockType.Tunnel)
{
// Make sure top and bottom side are not empty. If so, don't make the connection.
if (output[x, y - 1].Type != BlockType.Empty && output[x, y + 1].Type != BlockType.Empty)
{
output[x, y].Type = BlockType.RoomConnector;
}
}
// Check for its right block.
if (x < grid.Width - 1 && output[x, y].Type == BlockType.RoomWall && output[x + 1, y].Type == BlockType.Tunnel)
{
if (output[x, y - 1].Type != BlockType.Empty && output[x, y + 1].Type != BlockType.Empty)
{
output[x, y].Type = BlockType.RoomConnector;
}
}
// Check its bottom block.
if (y < grid.Height - 1 && output[x, y].Type == BlockType.RoomWall && output[x, y + 1].Type == BlockType.Tunnel)
{
// Make sure left and right side are not empty. If so, don't make the connection.
if (output[x - 1, y].Type != BlockType.Empty && output[x + 1, y].Type != BlockType.Empty)
{
output[x, y].Type = BlockType.RoomConnector;
}
}
}
}
return(output);
}
/// <summary>
/// This method is used to create the cell wall layer of a grid.
/// </summary>
/// <returns></returns>
public async Task <GridLayerAsync> CreateCellWallLayer()
{
GridLayerAsync output = new GridLayerAsync(Width, Height);
Point requiredIncrement = (GetLowestPoint() * new Point(-1, -1)) + new Point(2, 2);
// Get highest point of the block.
Point highestPoint = GetHighestPoint() + requiredIncrement;
// Now we get the size of the blocks.
Point blockSize = new Point(highestPoint.X / Width, highestPoint.Y / Height);
// After getting the info, we can process the cells.
// Now async!
List <Task> tasks = new List <Task>();
foreach (Cell cell in Cells)
{
Cell tempCell = cell;
tasks.Add(Task.Run(async() => {
// Each cell has 4 points. We get all those 4 points.
Point topLeft = tempCell.Location + requiredIncrement;
Point topRight = new Point(tempCell.Location.X, tempCell.Location.Y + tempCell.Size.Y) + requiredIncrement;
Point bottomLeft = new Point(tempCell.Location.X + tempCell.Size.X, tempCell.Location.Y) + requiredIncrement;
Point bottomRight = tempCell.Location + tempCell.Size + requiredIncrement;
//Create the path points.
List <Point> cellPaths = new List <Point>();
cellPaths.AddRange(Utility.CreatePathPoints(topLeft, topRight, (int)topLeft.Distance(topRight) / NodeDivider));
cellPaths.AddRange(Utility.CreatePathPoints(topRight, bottomRight, (int)topRight.Distance(bottomRight) / NodeDivider));
cellPaths.AddRange(Utility.CreatePathPoints(bottomRight, bottomLeft, (int)bottomRight.Distance(bottomLeft) / NodeDivider));
cellPaths.AddRange(Utility.CreatePathPoints(bottomLeft, topLeft, (int)bottomLeft.Distance(topLeft) / NodeDivider));
//Now we simply need to process all the points.We do this by iterating through all the
// blocks and change the one that collides with every points.
// Now async!
List <Task> tasks1 = new List <Task>();
for (int x = 0, xCoord = 0; x < Width && xCoord <= highestPoint.X; x++, xCoord += blockSize.X)
{
for (int y = 0, yCoord = 0; y < Height && yCoord <= highestPoint.Y; y++, yCoord += blockSize.Y)
{
int tx = x;
int ty = y;
int cx = xCoord;
int cy = yCoord;
tasks1.Add(Task.Run(() => {
// Make a temp cell to check for collision.
Cell blockCell = new Cell(blockSize, new Point(cx, cy));
// Iterate through path points.
foreach (Point point in cellPaths)
{
// Check for collision. If so, set the grid appropriately and break.
if (blockCell.CheckCollision(point))
{
output[tx, ty].Type = BlockType.RoomWall;
break;
}
}
}));
}
}
await Task.WhenAll(tasks1);
}));
}
await Task.WhenAll(tasks);
return(output);
}
