public static PositionPair get_destination(Simple_Moving_Object moving_thing, Tilemap tilemap, Vector2 offset)
{
// modify by offset for a person boarding a train (so hes not standing on the tracks)
Vector3Int tile_coord = new Vector3Int(moving_thing.tile_position[0], moving_thing.tile_position[1], 0);
Tile track_tile = (Tile)tilemap.GetTile(tile_coord);
Vector2 tile_world_coord = tilemap.GetCellCenterWorld(tile_coord);
PositionPair pos_pair = get_next_tile_pos(tilemap, track_tile, moving_thing, tile_coord, offset);
if (moving_thing.gameObject.tag == "boxcar")
{
Boxcar bcar = (Boxcar)moving_thing;
}
if (!moving_thing.in_city) //not inside a city, so check if arrived at city
{
Tile city_tile = (Tile)city_tilemap.GetTile(tile_coord);
if (city_tile != null) //check if arriving at city
{
City city = CityManager.instance.gameobject_board[tile_coord.x, tile_coord.y].GetComponent <City>(); // check if city arrived at is not the same city we're leaving
pos_pair.abs_dest_pos = tile_world_coord; // destination is the center of the tile
moving_thing.prepare_to_arrive_at_city(city);
}
}
return(pos_pair);
}
public static PositionPair get_next_tile_pos(Tilemap tilemap, Tile track_tile, Simple_Moving_Object moving_thing, Vector3Int tile_coord, Vector2 offset)
{
// get the next tile position for train movement AND placing boxcars (reverse orientation)
Vector2Int next_tilemap_pos = new Vector2Int(tile_coord.x, tile_coord.y);
Vector2 tile_world_coord = tilemap.GetCellCenterWorld(tile_coord);
Vector2 final_cell_dest = moving_thing.transform.position; // end of track default destination ( dont move )
try
{
if (track_tile != null)
{
string tile_name = track_tile.name;
switch (tile_name)
{
//tricky curve tile updates. the train has already arrived in the tile so only adjust one coordinate
case "ES":
if (moving_thing.orientation == Orientation.West || moving_thing.orientation == Orientation.South)
{
moving_thing.final_orientation = Orientation.South;
final_cell_dest = get_straight_final_dest(Orientation.South, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x, next_tilemap_pos.y - 1);
}
else if (moving_thing.orientation == Orientation.North || moving_thing.orientation == Orientation.East) // 2nd condition is for opposite direction when placing boxcars using flipped orientation
{
moving_thing.final_orientation = Orientation.East;
final_cell_dest = get_straight_final_dest(Orientation.East, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x + 1, next_tilemap_pos.y);
}
else
{
throw new NullReferenceException();
}
break;
case "NE":
if (moving_thing.orientation == Orientation.South || moving_thing.orientation == Orientation.East)
{
moving_thing.final_orientation = Orientation.East;
final_cell_dest = get_straight_final_dest(Orientation.East, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x + 1, next_tilemap_pos.y);
}
else if (moving_thing.orientation == Orientation.West || moving_thing.orientation == Orientation.North)
{
moving_thing.final_orientation = Orientation.North;
final_cell_dest = get_straight_final_dest(Orientation.North, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x, next_tilemap_pos.y + 1);
}
else
{
throw new NullReferenceException();
}
break;
case "WN":
if (moving_thing.orientation == Orientation.East || moving_thing.orientation == Orientation.North)
{
moving_thing.final_orientation = Orientation.North;
final_cell_dest = get_straight_final_dest(Orientation.North, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x, next_tilemap_pos.y + 1);
}
else if (moving_thing.orientation == Orientation.South || moving_thing.orientation == Orientation.West)
{
moving_thing.final_orientation = Orientation.West;
final_cell_dest = get_straight_final_dest(Orientation.West, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x - 1, next_tilemap_pos.y);
}
else
{
throw new NullReferenceException();
}
break;
case "WS":
if (moving_thing.orientation == Orientation.East || moving_thing.orientation == Orientation.South)
{
moving_thing.final_orientation = Orientation.South;
final_cell_dest = get_straight_final_dest(Orientation.South, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x, next_tilemap_pos.y - 1);
}
else if (moving_thing.orientation == Orientation.North || moving_thing.orientation == Orientation.West)
{
moving_thing.final_orientation = Orientation.West;
final_cell_dest = get_straight_final_dest(Orientation.West, tile_world_coord);
next_tilemap_pos = new Vector2Int(next_tilemap_pos.x - 1, next_tilemap_pos.y);
}
else
{
throw new NullReferenceException();
}
break;
case "vert":
if (moving_thing.orientation == Orientation.North || moving_thing.orientation == Orientation.South)
{
final_cell_dest = get_straight_final_dest(moving_thing.orientation, tile_world_coord);
next_tilemap_pos = get_straight_next_tile_pos(moving_thing.orientation, next_tilemap_pos);
}
else
{
throw new NullReferenceException();
}
break;
case "hor":
if (moving_thing.orientation == Orientation.East || moving_thing.orientation == Orientation.West)
{
final_cell_dest = get_straight_final_dest(moving_thing.orientation, tile_world_coord);
next_tilemap_pos = get_straight_next_tile_pos(moving_thing.orientation, next_tilemap_pos);
}
else
{
throw new NullReferenceException();
}
break;
case "ne_diag":
moving_thing.final_orientation = Orientation.ne_SteepCurve;
break;
case "nw_diag":
moving_thing.final_orientation = Orientation.nw_SteepCurve;
break;
case "se_diag":
moving_thing.final_orientation = Orientation.se_SteepCurve;
break;
case "sw_diag":
moving_thing.final_orientation = Orientation.sw_SteepCurve;
break;
case "less_diag_ne_turn":
moving_thing.final_orientation = Orientation.ne_LessSteepCurve;
break;
case "less_diag_nw_turn":
moving_thing.final_orientation = Orientation.nw_LessSteepCurve;
break;
case "less_diag_se_turn":
moving_thing.final_orientation = Orientation.se_LessSteepCurve;
break;
case "less_diag_sw_turn":
moving_thing.final_orientation = Orientation.sw_LessSteepCurve;
break;
default:
moving_thing.final_orientation = Orientation.None;
break;
}
if (tile_name == "ne_diag" || tile_name == "nw_diag" || tile_name == "se_diag" || tile_name == "sw_diag" || tile_name == "less_diag_ne_turn" ||
tile_name == "less_diag_nw_turn" || tile_name == "less_diag_se_turn" || tile_name == "less_diag_sw_turn")
{
final_cell_dest = get_straight_final_dest(moving_thing.orientation, tile_world_coord);
next_tilemap_pos = get_straight_next_tile_pos(moving_thing.orientation, next_tilemap_pos);
}
}
}
catch (NullReferenceException e)
{
final_cell_dest = tile_world_coord;
//print(e.Message);
}
final_cell_dest += offset;
return(new PositionPair(final_cell_dest, next_tilemap_pos, (Vector2Int)moving_thing.prev_tile_position));
}
