public void Obstacle_2()
{
int sizeX = 7;
int sizeY = 4;
int startX = 0;
int startY = 3;
int endX = 6;
int endY = 1;
var mapInfo = new DefaultMapInfo(sizeX, sizeY);
mapInfo.SetWalkable(3, 1, false);
mapInfo.SetWalkable(4, 1, false);
mapInfo.SetWalkable(4, 2, false);
var pathfinding = new PathFinding(mapInfo);
var path = new List <int>();
pathfinding.FindPath(startX, startY, endX, endY, path);
string expected =
"_______\n" +
"___oo_E\n" +
"____o#_\n" +
"S####__";
string result = MapToString(sizeX, sizeY, startX, startY, endX, endY, path, mapInfo);
Assert.Equal(expected, result);
}
public AstarBenchmark()
{
endX = sizeX - 1;
endY = sizeY - 1;
mapInfo = new DefaultMapInfo(sizeX, sizeY);
path = new List <int>();
int threeQuarter = sizeX / 4 * 3;
for (int y = 1; y < sizeY; y++)
{
mapInfo.SetWalkable(threeQuarter, y, false);
}
pathfinding = new PathFinding(mapInfo);
}
public void No_end()
{
int sizeX = 5;
int sizeY = 1;
int startX = 0;
int startY = 0;
int endX = 4;
int endY = 0;
var mapInfo = new DefaultMapInfo(sizeX, sizeY);
mapInfo.SetWalkable(2, 0, false);
var pathfinding = new PathFinding(mapInfo);
var path = new List <int>();
pathfinding.FindPath(startX, startY, endX, endY, path);
Assert.Equal(0, path.Count);
}
public void No_obstacles()
{
int sizeX = 16;
int sizeY = 16;
int startX = 0;
int startY = 0;
int endX = sizeX - 1;
int endY = sizeY - 1;
var mapInfo = new DefaultMapInfo(sizeX, sizeY);
var pathfinding = new PathFinding(mapInfo);
var path = new List <int>();
pathfinding.FindPath(startX, startY, endX, endY, path);
Console.WriteLine($"path null? {path == null}");
string expected =
"S_______________\n" +
"_#______________\n" +
"__#_____________\n" +
"___#____________\n" +
"____#___________\n" +
"_____#__________\n" +
"______#_________\n" +
"_______#________\n" +
"________#_______\n" +
"_________#______\n" +
"__________#_____\n" +
"___________#____\n" +
"____________#___\n" +
"_____________#__\n" +
"______________#_\n" +
"_______________E";
string result = MapToString(sizeX, sizeY, startX, startY, endX, endY, path, mapInfo);
Assert.Equal(expected, result);
}
string MapToString(int sizeX, int sizeY, int startX, int startY, int endX, int endY, List <int> cellIndexes, DefaultMapInfo pathMapLayer)
{
StringBuilder[] map = new StringBuilder[sizeY];
for (int i = 0; i < sizeY; i++)
{
map[i] = new StringBuilder(new String('_', sizeX));
}
for (int x = 0; x < sizeX; x++)
{
for (int y = 0; y < sizeY; y++)
{
if (!pathMapLayer.IsWalkable(x, y))
{
map[y][x] = 'o';
}
}
}
foreach (var cellIndexe in cellIndexes)
{
Vector2Int position = MapUtils.IndexToCoords(cellIndexe, sizeX);
map[position.Y][position.X] = '#';
}
map[startY][startX] = 'S';
map[endY][endX] = 'E';
return(String.Join("\n", map.Select(sb => sb.ToString())));
}