/// <summary>
/// Renders the specified grid on the specified tilemap, with optional slow mode (only works at runtime)
/// </summary>
/// <param name="grid"></param>
/// <param name="tilemap"></param>
/// <param name="tile"></param>
/// <param name="slowRender"></param>
/// <param name="slowRenderDuration"></param>
/// <param name="slowRenderTweenType"></param>
/// <param name="slowRenderSupport"></param>
public static void RenderGrid(int[,] grid, MMTilemapGeneratorLayer layer, bool slowRender = false, float slowRenderDuration = 1f,
MMTweenType slowRenderTweenType = null, MonoBehaviour slowRenderSupport = null)
{
if (layer.FusionMode == MMTilemapGeneratorLayer.FusionModes.Normal)
{
ClearTilemap(layer.TargetTilemap);
}
TileBase tile = layer.Tile;
if (layer.FusionMode == MMTilemapGeneratorLayer.FusionModes.Combine)
{
grid = MMGridGenerator.InvertGrid(grid);
tile = null;
}
if (layer.FusionMode == MMTilemapGeneratorLayer.FusionModes.Subtract)
{
grid = MMGridGenerator.InvertGrid(grid);
}
if (!slowRender || !Application.isPlaying)
{
DrawGrid(grid, layer.TargetTilemap, tile, 0, TotalFilledBlocks(grid));
}
else
{
slowRenderSupport.StartCoroutine(SlowRenderGrid(grid, layer.TargetTilemap, tile, slowRenderDuration, slowRenderTweenType, 60));
}
if (!Application.isPlaying && slowRender)
{
Debug.LogWarning("Rendering maps in SlowRender mode is only supported at runtime.");
}
}
/// <summary>
/// Generates a layer grid, and renders it
/// </summary>
/// <param name="layer"></param>
protected virtual void GenerateLayer(MMTilemapGeneratorLayer layer)
{
if (!layer.Active)
{
return;
}
if (layer.TargetTilemap == null)
{
Debug.LogError("Tilemap Generator : you need to specify a Target Tilemap to paint on.");
}
if (layer.Tile == null)
{
Debug.LogError("Tilemap Generator : you need to specify a Tile to paint with.");
}
if (layer.GridWidth == 0)
{
Debug.LogError("Tilemap Generator : grid width can't be 0.");
}
if (layer.GridHeight == 0)
{
Debug.LogError("Tilemap Generator : grid height can't be 0.");
}
float seedFloat = 0f;
float layerSeedFloat = 0f;
float globalSeedFloat = 0f;
UnityEngine.Random.InitState(GlobalSeed);
int width = layer.OverrideGridSize ? layer.GridWidth : UnityEngine.Random.Range(GridWidth.x, GridWidth.y);
int height = layer.OverrideGridSize ? layer.GridHeight : UnityEngine.Random.Range(GridHeight.x, GridHeight.y);
globalSeedFloat = UnityEngine.Random.value;
// random outside of the global seed
if (layer.DoNotUseGlobalSeed)
{
Random.InitState((int)System.DateTime.Now.Ticks);
if (layer.RandomizeSeed)
{
layer.Seed = Mathf.Abs(Random.Range(int.MinValue, int.MaxValue));
}
UnityEngine.Random.InitState(layer.Seed);
layerSeedFloat = UnityEngine.Random.value;
}
int seed = layer.DoNotUseGlobalSeed ? layer.Seed : GlobalSeed;
seedFloat = layer.DoNotUseGlobalSeed ? layerSeedFloat : globalSeedFloat;
switch (layer.GenerateMethod)
{
case GenerateMethods.Full:
_grid = MMGridGeneratorFull.Generate(width, height, layer.FullGenerationFilled);
layer.Grid = _grid;
break;
case GenerateMethods.Perlin:
_grid = MMGridGeneratorPerlinNoise.Generate(width, height, seedFloat);
layer.Grid = _grid;
break;
case GenerateMethods.PerlinGround:
_grid = MMGridGeneratorPerlinNoiseGround.Generate(width, height, seedFloat);
layer.Grid = _grid;
break;
case GenerateMethods.Random:
_grid = MMGridGeneratorRandom.Generate(width, height, seed, layer.RandomFillPercentage);
layer.Grid = _grid;
break;
case GenerateMethods.RandomWalk:
_grid = MMGridGeneratorRandomWalk.Generate(width, height, seed, layer.RandomWalkPercent, layer.RandomWalkStartingPoint, layer.RandomWalkMaxIterations);
layer.Grid = _grid;
break;
case GenerateMethods.RandomWalkAvoider:
int[,] obstacleGrid = MMGridGenerator.TilemapToGrid(layer.RandomWalkAvoiderObstaclesTilemap, width, height);
_grid = MMGridGeneratorRandomWalkAvoider.Generate(width, height, seed, layer.RandomWalkAvoiderPercent, layer.RandomWalkAvoiderStartingPoint, obstacleGrid, layer.RandomWalkAvoiderObstaclesDistance, layer.RandomWalkAvoiderMaxIterations);
layer.Grid = _grid;
break;
case GenerateMethods.RandomWalkGround:
_grid = MMGridGeneratorRandomWalkGround.Generate(width, height, seed,
layer.RandomWalkGroundMinHeightDifference, layer.RandomWalkGroundMaxHeightDifference,
layer.RandomWalkGroundMinFlatDistance, layer.RandomWalkGroundMaxFlatDistance, layer.RandomWalkGroundMaxHeight);
layer.Grid = _grid;
break;
case GenerateMethods.Path:
_grid = MMGridGeneratorPath.Generate(width, height, seed, layer.PathDirection, layer.PathStartPosition, layer.PathMinWidth,
layer.PathMaxWidth, layer.PathDirectionChangeDistance, layer.PathWidthChangePercentage,
layer.PathDirectionChangePercentage);
layer.Grid = _grid;
break;
case GenerateMethods.Copy:
layer.TargetTilemap.ClearAllTiles();
DelayedCopy(layer);
break;
}
if (layer.Smooth)
{
_grid = MMGridGenerator.SmoothenGrid(_grid);
}
if (layer.InvertGrid)
{
_grid = MMGridGenerator.InvertGrid(_grid);
}
_grid = MMGridGenerator.BindGrid(_grid, layer.BoundsTop, layer.BoundsBottom, layer.BoundsLeft, layer.BoundsRight);
_grid = MMGridGenerator.ApplySafeSpots(_grid, layer.SafeSpots);
RenderGrid(layer);
}
/// <summary>
/// Returns true if an obstacle is found at the specified coordinates, false otherwise
/// </summary>
/// <param name="obstacles"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
private static bool ObstacleAt(int[,] obstacles, int x, int y)
{
return (MMGridGenerator.GetValueAtGridCoordinate(obstacles, x, y, 1) == 1);
}