//Generates a wall starting at the coordinates given, going in a random direction
private void GenerateWall(int x, int y, Grid <Tile> grid, GridGenerationProfile gridProfile)
{
int length = UE.Random.Range(gridProfile.MinWallLength, gridProfile.MaxWallLength + 1);
int dir = UE.Random.Range(0, 4);
for (int i = 0; i <= length; i++)
{
switch (dir)
{
case 0:
x += 1;
break;
case 1:
x -= 1;
break;
case 2:
y += 1;
break;
case 3:
y -= 1;
break;
}
var tile = new Tile(x, y, grid);
tile.Type = TileType.Obstacle;
grid.SetValue(x, y, tile);
}
}
public Grid <Tile> Generate(GridGenerationProfile gridProfile)
{
var width = UE.Random.Range(gridProfile.MinGridWidth, gridProfile.MaxGridWidth);
var height = UE.Random.Range(gridProfile.MinGridHeight, gridProfile.MaxGridHeight);
var cellSize = gridProfile.GridCellSize;
var origin = gridProfile.GridOrigin;
var resultGrid = new Grid <Tile>(
width,
height,
cellSize,
origin,
(int x, int y, Grid <Tile> grid) => InitializeTile(x, y, grid, gridProfile));
PlaceObjective(resultGrid);
CreatePathsToAllGreenTiles(resultGrid);
return(resultGrid);
}
private Tile InitializeTile(int x, int y, Grid <Tile> grid, GridGenerationProfile gridProfile)
{
var tile = new Tile(x, y, grid);
var randomValue = UE.Random.Range(0f, 1f);
var newWaterSpawnChance = gridProfile.WaterSpawnChance;
int adjacentWater = NextToWater(tile, grid);
if (adjacentWater != 0)
{
newWaterSpawnChance += gridProfile.WaterGrouping * adjacentWater;
}
//This is to check if the tile has already been generated previously i.e. part of a wall.
//Without this check, the type of the tile will be determined again, overwriting the previous type
try
{
tile.Type = grid.GetValue(x, y).Type;
return(tile);
}
catch (S.NullReferenceException e) { }
if (randomValue < gridProfile.ObstacleSpawnChance)
{
tile.Type = TileType.Obstacle;
GenerateWall(x, y, grid, gridProfile);
}
else if (randomValue < gridProfile.ObstacleSpawnChance + newWaterSpawnChance)
{
tile.Type = TileType.Water;
}
else
{
tile.Type = TileType.Grass;
}
return(tile);
}