public int GetActionCost(Character.direction dir)
{
if (dir == (Character.direction)(-1))
{
return(0);
}
if (world[agentPos[0], agentPos[1]].item == Item.ItemType.NONE)
{
//Debug.Log("cat");
}
else
{
//Debug.Log("cate");
}
// subtract 1 from number of item tiles for this calculation if we're on an item tile
int dirtyTiles = GetItemTiles().Count - (world[agentPos[0], agentPos[1]].item != Item.ItemType.NONE ? 1 : 0);
//int turnAround = cameFrom == null ? 0 : (Character.OppositeDirection(dir, cameFrom.actionPerformed) ? 1 : 0) * 5;
return(1 + 2 * dirtyTiles + (int)Pacman.GetDistPenalty(agentPos)); // + turnAround;
}
// TODO: account for impassable tiles
public Node affect(Character.direction dir)
{
TileData[,] newWorld = new TileData[MapGene.mapHeight, MapGene.mapWidth];
for (int i = 0; i < MapGene.mapHeight; i++)
{
for (int j = 0; j < MapGene.mapWidth; j++)
{
// erase the dot we just succed
if (i == agentPos.x && j == agentPos.y)
{
newWorld[i, j] = goal.world[i, j];
}
else
{
newWorld[i, j] = world[i, j];
}
//newWorld[i, j] = world[i, j].Copy();
}
}
// erase the dot we just succed
//newWorld[agentPos[0], agentPos[1]].item = Item.ItemType.NONE;
Vector2Int newAgentPos = Vector2Int.zero;
switch (dir)
{
case Character.direction.RIGHT:
newAgentPos = new Vector2Int(agentPos.x, (agentPos.y + 1) % MapGene.mapWidth);
break;
case Character.direction.UP:
int newx = agentPos.x - 1;
newAgentPos = new Vector2Int(newx < 0 ? MapGene.mapHeight + newx : newx, agentPos.y);
break;
case Character.direction.LEFT:
int newy = agentPos.y - 1;
newAgentPos = new Vector2Int(agentPos.x, newy < 0 ? MapGene.mapWidth + newy : newy);
break;
case Character.direction.DOWN:
newAgentPos = new Vector2Int((agentPos.x + 1) % MapGene.mapHeight, agentPos.y);
break;
}
if (!world[newAgentPos.x, newAgentPos.y].passable || Character.TheresAGhostHere(newAgentPos) && Character.charState != Character.state.REVERSE)
{
return(null); // invalid action (hitting a wall)
}
Node n = new Node(newWorld, newAgentPos, dir);
n.cameFrom = this;
n.goal = goal;
//n.itemTiles = new List<TileData>(itemTiles.ToArray());
n.itemTiles = new List <TileData>();
for (int i = 0; i < itemTiles.Count; i++)
{
// copy itemTile data over, but use the tile objects from newWorld
n.itemTiles.Add(newWorld[itemTiles[i].ij.x, itemTiles[i].ij.y]);
}
// remove the item at the position that the agent was
n.itemTiles.Remove(newWorld[agentPos.x, agentPos.y]);
return(n);
}
public Node(TileData[,] world, Vector2Int agentPos, Character.direction action)
{
this.world = world;
this.agentPos = agentPos;
actionPerformed = action;
}
