public EnvironmentCube GetRandomAdjacentCube(EnvironmentCube source, bool unoccupied = false)
{
EnvironmentCube adjacent = null;
GridCoordinates coordinates = source._coordinates;
int option = Random.Range(0, 4);
while (adjacent == null)
{
switch (option)
{
case 0:
coordinates.z += 1; // north
break;
case 1:
coordinates.z -= 1; // south
break;
case 2:
coordinates.x += 1; // east
break;
case 3:
coordinates.x -= 1; // west
break;
}
if (AreValidCoordinates(coordinates))
{
adjacent = _grid[coordinates.x, coordinates.z];
}
if (adjacent == null || (unoccupied && adjacent.IsOccupied()))
{
coordinates = source._coordinates;
if (++option > 3)
{
option = 0;
}
}
}
return(adjacent);
}
public EnvironmentCube GetRandomCubeOfType(EnvironmentCube.CubeType type, bool unoccupied = false)
{
EnvironmentCube randomCube = null;
while (randomCube == null)
{
randomCube = GetRandomCube();
bool isUnoccupied = !randomCube.IsOccupied();
if (randomCube.cubeType == type && (!unoccupied || (unoccupied && isUnoccupied)))
{
break;
}
else
{
randomCube = null;
}
}
return(randomCube);
}
private EnvironmentCube GetAdjacentCube(EnvironmentCube cube, Axis axis, bool unoccupied = false, int distance = 1)
{
EnvironmentCube adjacent = null;
while (adjacent == null)
{
GridCoordinates coordinates = cube.GetCoordinates();
if (axis == Axis.East)
{
coordinates.x += distance;
}
else if (axis == Axis.West)
{
coordinates.x -= distance;
}
else if (axis == Axis.North)
{
coordinates.z += distance;
}
else if (axis == Axis.South)
{
coordinates.z -= distance;
}
else if (axis == Axis.NorthEast)
{
coordinates.x += distance;
coordinates.z += distance;
}
else if (axis == Axis.NorthWest)
{
coordinates.x -= distance;
coordinates.z += distance;
}
else if (axis == Axis.SouthEast)
{
coordinates.x += distance;
coordinates.z -= distance;
}
else if (axis == Axis.SouthWest)
{
coordinates.x -= distance;
coordinates.z -= distance;
}
if (AreValidCoordinates(coordinates))
{
adjacent = _grid[coordinates.x, coordinates.z];
}
if (adjacent != null && unoccupied && adjacent.IsOccupied())
{
adjacent = null;
}
if (adjacent == null)
{
distance--;
}
}
return(adjacent);
}