/// <summary>
/// Remove a tile at this position.
/// This is advised over manually modifiying the tiles array, as this handles multiblocks.
/// </summary>
/// <param name="position">Position of tile to remove. If part of a multitile, the entire multitile will be removed.</param>
/// <returns></returns>
public bool RemoveTile(Vector3 position)
{
Vector3 origin = FindTileOrigin(position);
int tileID = tiles[(int)origin.X, (int)origin.Y, (int)origin.Z];
ITile tile = Citysim.instance.tileRegistry.GetTile(tileID);
Point size = new Point(1, 1);
if (tile != null)
{
size = tile.GetTileSize();
}
for (int x = 0; x < size.X; x++)
{
for (int y = 0; y < size.Y; y++)
{
Vector3 currentPos = new Vector3(origin.X + x, origin.Y + y, (int)position.Z);
tiles[(int)currentPos.X, (int)currentPos.Y, (int)currentPos.Z] = 0;
tileOrigins[(int)currentPos.X, (int)currentPos.Y, (int)currentPos.Z] = null;
}
}
return(true);
}
/// <summary>
/// Places a tile.
/// This is advised over manually modifiying the tiles array, as this handles multiblocks.
/// </summary>
/// <param name="tileID">ID of tile to place</param>
/// <param name="position">Position to place tile. In the case of multiblocks, this is the top-left coordinate.</param>
/// <returns></returns>
public bool PlaceTile(int tileID, Vector3 position)
{
if (tileID == 0)
{
return(RemoveTile(position));
}
ITile tile = Citysim.instance.tileRegistry.GetTile(tileID);
Point size = tile.GetTileSize();
//Check if the tile will draw out of the world
if (tileOrigins.GetLength(0) < position.X + size.X ||
tileOrigins.GetLength(1) < position.Y + size.Y)
{
return(false);
}
int blockArea = size.X * size.Y;
if (blockArea > 1)
{
// Bottom-right position of multiblock.
Vector3 position2 = new Vector3(position.X + size.X - 1, position.Y + size.Y - 1, 1);
// Check Multiblock will fit.
for (int width = (int)position.X; width <= position2.X; width++)
{
for (int height = (int)position.Y; height <= position2.Y; height++)
{
if (IsTilePresent(new Vector3(width, height, position.Z)))
{
return(false); // Cannot fit!
}
}
}
// Place multiblock origin tile references.
for (int width = (int)position.X; width <= position2.X; width++)
{
for (int height = (int)position.Y; height <= position2.Y; height++)
{
tiles[width, height, (int)position.Z] = 0;
tileOrigins[width, height, (int)position.Z] = new Vector3(position.X, position.Y, position.Z);
}
}
}
// Place origin block.
tiles[(int)position.X, (int)position.Y, (int)position.Z] = tileID;
return(true);
}
public void Render(SpriteBatch spriteBatch, Citysim game, GameTime gameTime)
{
World world = game.city.world;
int cameraX = (int)game.camera.position.X;
int cameraY = (int)game.camera.position.Y;
// Loop through tiles.
for (int z = 0; z < World.depth; z++)
{
for (int y = 0; y < world.height; y++)
{
for (int x = 0; x < world.width; x++)
{
ITile tile = game.tileRegistry.GetTile(world.tiles[x, y, z]);
if (tile == null)
{
continue; // unknown tile
}
Rectangle tileRect = new Rectangle(cameraX + x * tileSize, cameraY + y * tileSize, tileSize * tile.GetTileSize().X, tileSize * tile.GetTileSize().Y);
spriteBatch.Draw(tile.GetTexture(gameTime), tileRect, Color.White);
}
}
}
if (world.InBounds(game.camera.hovering))
{
// Draw hitbox
int hitX = (int)(game.camera.hovering.X * tileSize + game.camera.position.X);
int hitY = (int)(game.camera.hovering.Y * tileSize + game.camera.position.Y);
spriteBatch.Draw(hitbox, new Rectangle(hitX, hitY, tileSize, tileSize), Color.White);
}
}