public int IsNeedToFall(int x, int y)
{
if (x + 1 < Game.MapWidth)
{
if (Game.IsIt(x + 1, y, CreatureType.Digger))
{
if (Keyboard.IsKeyDown(Key.A) && x > 0)
{
if (Game.Map[x - 1, y] == null)
{
return(-1);
}
}
}
}
if (x > 0)
{
if (Game.IsIt(x - 1, y, CreatureType.Digger))
{
if (Keyboard.IsKeyDown(Key.D) && x < Game.MapWidth - 1)
{
if (Game.Map[x + 1, y] == null)
{
return(1);
}
}
}
}
return(0);
}
public CreatureCommand Act(int x, int y)
{
CreatureCommand Command = new CreatureCommand()
{
DeltaX = 0,
DeltaY = 0,
NextState = CreatureType.Sack
};
if (y < Game.MapHeight - 1)
{
if (Game.Map[x, y + 1] == null)
{
isFall = true;
Command.DeltaY += 1;
if (y + Command.DeltaY + 1 >= Game.MapHeight)
{
Command.NextState = CreatureType.Gold;
}
else if (Game.IsIt(x, y + Command.DeltaY + 1, CreatureType.Terrain) || Game.IsIt(x, y + Command.DeltaY + 1, CreatureType.Gold))
{
Command.NextState = CreatureType.Gold;
}
}
else
{
if (Game.Map[x, y + 1].GetCreatureType() == CreatureType.Monster)
{
Command.DeltaY += 1;
Command.NextState = CreatureType.Gold;
}
else if (isFall && Game.Map[x, y + 1].GetCreatureType() == CreatureType.Digger)
{
Command.DeltaY += 1;
}
}
}
Command.DeltaX += IsNeedToFall(x, y + Command.DeltaY);
return(Command);
}
public CreatureCommand Act(int x, int y)
{
CreatureCommand Command = new CreatureCommand()
{
DeltaX = 0,
DeltaY = 0,
NextState = CreatureType.Digger
};
Pair move = Mooving(x, y);
Command.DeltaX = move.x;
Command.DeltaY = move.y;
if (Command.DeltaX == 0)
{
if (Game.IsIt(x, y + Command.DeltaY, CreatureType.Sack))
{
Command.DeltaX = 0;
Command.DeltaY = 0;
}
}
if (Command.DeltaY == 0)
{
if (Game.IsIt(x + Command.DeltaX, y, CreatureType.Sack))
{
if ((x + 2 * Command.DeltaX >= Game.MapWidth || x + 2 * Command.DeltaX < 0) || (Game.Map[x + 2 * Command.DeltaX, y] != null))
{
Command.DeltaX = 0;
Command.DeltaY = 0;
}
}
}
if (Game.IsIt(x + Command.DeltaX, y + Command.DeltaY, CreatureType.Gold))
{
Game.Scores += 1;
}
return(Command);
}
Pair BFS(Pair[] start, int x, int y)
{
if (start.Length == 0)
{
return new Pair {
x = -1, y = -1
}
}
;
List <Pair> list = new List <Pair>();
for (int l = 0; l < start.Length; ++l)
{
for (int i = start[l].y - 1; i <= start[l].y + 1; ++i)
{
for (int j = start[l].x - 1; j <= start[l].x + 1; ++j)
{
if (i >= 0 && i < Game.MapHeight && j >= 0 && j < Game.MapWidth && (j == start[l].x || i == start[l].y))
{
if (!map[i, j])
{
if (Game.IsIt(j, i, CreatureType.Monster) && j == x && i == y)
{
continue;
}
if (Game.IsIt(j, i, CreatureType.Digger))
{
int mayBeX = start[l].x, mayBeY = start[l].y;
while (true)
{
int localX = length[mayBeY, mayBeX].x;
int localY = length[mayBeY, mayBeX].y;
if (localX == x && localY == y)
{
return new Pair {
y = mayBeX, x = mayBeY
}
}
;
mayBeX = localX; mayBeY = localY;
if (mayBeY == -1 || mayBeX == -1)
{
return new Pair {
y = j, x = i
}
}
;
}
}
if (Game.Map[j, i] == null || Game.IsIt(j, i, CreatureType.Monster))
{
length[i, j].x = start[l].x;
length[i, j].y = start[l].y;
list.Add(new Pair {
y = i, x = j
});
map[i, j] = true;
}
}
}
}
}
}
return(BFS(list.ToArray(), x, y));
}
