/// <summary>
/// Returns a random position on the ground floor of the grid
/// </summary>
/// <param name="targetTilemap"></param>
/// <param name="grid"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="startingHeight"></param>
/// <param name="xMin"></param>
/// <param name="xMax"></param>
/// <param name="shouldBeFilled"></param>
/// <param name="maxIterations"></param>
/// <returns></returns>
public static Vector2 GetRandomPositionOnGround(Tilemap targetTilemap, Grid grid, int width, int height, int startingHeight, int xMin, int xMax, bool shouldBeFilled = true, int maxIterations = 1000)
{
int iterationsCount = 0;
Vector3Int randomCoordinate = Vector3Int.zero;
while (iterationsCount < maxIterations)
{
randomCoordinate.x = UnityEngine.Random.Range(xMin, xMax);
randomCoordinate.y = startingHeight;
randomCoordinate += MMTilemapGridRenderer.ComputeOffset(width - 1, height - 1);
int counter = height;
while (counter > 0)
{
bool hasTile = targetTilemap.HasTile(randomCoordinate);
if (hasTile == shouldBeFilled)
{
randomCoordinate.y++;
return(targetTilemap.CellToWorld(randomCoordinate) + (grid.cellSize / 2));
}
randomCoordinate.y--;
counter--;
}
iterationsCount++;
}
return(Vector2.zero);
}
/// <summary>
/// Converts a tilemap's contents into a grid
/// </summary>
/// <param name="tilemap"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static int[,] TilemapToGrid(Tilemap tilemap, int width, int height)
{
int[,] grid = new int[width, height];
Vector3Int currentPosition = Vector3Int.zero;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
currentPosition.x = i;
currentPosition.y = j;
currentPosition += MMTilemapGridRenderer.ComputeOffset(width - 1, height - 1);
grid[i, j] = (tilemap.GetTile(currentPosition) == null) ? 0 : 1;
}
}
return(grid);
}
/// <summary>
/// Returns a random world position on the specified tilemap/grid combo, filled or not based on the shouldBeFilled flag
/// </summary>
/// <param name="targetTilemap"></param>
/// <param name="grid"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="shouldBeFilled"></param>
/// <param name="maxIterations"></param>
/// <returns></returns>
public static Vector2 GetRandomPosition(Tilemap targetTilemap, Grid grid, int width, int height, bool shouldBeFilled = true, int maxIterations = 1000)
{
int iterationsCount = 0;
Vector3Int randomCoordinate = Vector3Int.zero;
while (iterationsCount < maxIterations)
{
randomCoordinate.x = UnityEngine.Random.Range(0, width);
randomCoordinate.y = UnityEngine.Random.Range(0, height);
randomCoordinate += MMTilemapGridRenderer.ComputeOffset(width - 1, height - 1);
bool hasTile = targetTilemap.HasTile(randomCoordinate);
if (hasTile == shouldBeFilled)
{
return(targetTilemap.CellToWorld(randomCoordinate) + (grid.cellSize / 2));
}
iterationsCount++;
}
return(Vector2.zero);
}
/// <summary>
/// Converts a tilemap's contents into a grid
/// </summary>
/// <param name="tilemap"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <returns></returns>
public static int[,] TilemapToGrid(Tilemap tilemap, int width, int height)
{
if (tilemap == null)
{
Debug.LogError("[MMGridGenerator] You're trying to convert a tilemap into a grid but didn't specify what tilemap to convert.");
return(null);
}
int[,] grid = new int[width, height];
Vector3Int currentPosition = Vector3Int.zero;
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
currentPosition.x = i;
currentPosition.y = j;
currentPosition += MMTilemapGridRenderer.ComputeOffset(width - 1, height - 1);
grid[i, j] = (tilemap.GetTile(currentPosition) == null) ? 0 : 1;
}
}
return(grid);
}
/// <summary>
/// Renders the grid with the selected modes to the specified target tilemap
/// </summary>
/// <param name="layer"></param>
protected virtual void RenderGrid(MMTilemapGeneratorLayer layer)
{
MMTilemapGridRenderer.RenderGrid(_grid, layer, SlowRender, SlowRenderDuration, SlowRenderTweenType, this);
}