static void CheckShipLeaveDepot(Ship *v)
{
if (!v->IsInDepot()) return;
TileIndex tile = v->tile;
Axis axis = GetShipDepotAxis(tile);
/* Check first (north) side */
if (DiagdirReachesTracks((DiagDirection)axis) & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
v->direction = ReverseDir(AxisToDirection(axis));
/* Check second (south) side */
} else if (DiagdirReachesTracks((DiagDirection)(axis + 2)) & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
v->direction = AxisToDirection(axis);
} else {
return;
}
v->state = AxisToTrackBits(axis);
v->vehstatus &= ~VS_HIDDEN;
v->cur_speed = 0;
RecalcShipStuff(v);
PlayShipSound(v);
VehicleServiceInDepot(v);
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
SetWindowClassesDirty(WC_SHIPS_LIST);
}
static bool CheckShipLeaveDepot(Ship *v)
{
if (!v->IsChainInDepot()) return false;
/* We are leaving a depot, but have to go to the exact same one; re-enter */
if (v->current_order.IsType(OT_GOTO_DEPOT) &&
IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
VehicleEnterDepot(v);
return true;
}
TileIndex tile = v->tile;
Axis axis = GetShipDepotAxis(tile);
DiagDirection north_dir = ReverseDiagDir(AxisToDiagDir(axis));
TileIndex north_neighbour = TILE_ADD(tile, TileOffsByDiagDir(north_dir));
DiagDirection south_dir = AxisToDiagDir(axis);
TileIndex south_neighbour = TILE_ADD(tile, 2 * TileOffsByDiagDir(south_dir));
TrackBits north_tracks = DiagdirReachesTracks(north_dir) & GetTileShipTrackStatus(north_neighbour);
TrackBits south_tracks = DiagdirReachesTracks(south_dir) & GetTileShipTrackStatus(south_neighbour);
if (north_tracks && south_tracks) {
/* Ask pathfinder for best direction */
bool reverse = false;
bool path_found;
switch (_settings_game.pf.pathfinder_for_ships) {
case VPF_OPF: reverse = OPFShipChooseTrack(v, north_neighbour, north_dir, north_tracks, path_found) == INVALID_TRACK; break; // OPF always allows reversing
case VPF_NPF: reverse = NPFShipCheckReverse(v); break;
case VPF_YAPF: reverse = YapfShipCheckReverse(v); break;
default: NOT_REACHED();
}
if (reverse) north_tracks = TRACK_BIT_NONE;
}
if (north_tracks) {
/* Leave towards north */
v->direction = DiagDirToDir(north_dir);
} else if (south_tracks) {
/* Leave towards south */
v->direction = DiagDirToDir(south_dir);
} else {
/* Both ways blocked */
return false;
}
v->state = AxisToTrackBits(axis);
v->vehstatus &= ~VS_HIDDEN;
v->cur_speed = 0;
v->UpdateViewport(true, true);
SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
PlayShipSound(v);
VehicleServiceInDepot(v);
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
SetWindowClassesDirty(WC_SHIPS_LIST);
return false;
}
static bool CheckShipLeaveDepot(Ship *v)
{
if (!v->IsInDepot()) return false;
/* We are leaving a depot, but have to go to the exact same one; re-enter */
if (v->current_order.IsType(OT_GOTO_DEPOT) &&
IsShipDepotTile(v->tile) && GetDepotIndex(v->tile) == v->current_order.GetDestination()) {
VehicleEnterDepot(v);
return true;
}
TileIndex tile = v->tile;
Axis axis = GetShipDepotAxis(tile);
/* Check first (north) side */
if (DiagdirReachesTracks((DiagDirection)axis) & GetTileShipTrackStatus(TILE_ADD(tile, ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
v->direction = ReverseDir(AxisToDirection(axis));
/* Check second (south) side */
} else if (DiagdirReachesTracks((DiagDirection)(axis + 2)) & GetTileShipTrackStatus(TILE_ADD(tile, -2 * ToTileIndexDiff(_ship_leave_depot_offs[axis])))) {
v->direction = AxisToDirection(axis);
} else {
return false;
}
v->state = AxisToTrackBits(axis);
v->vehstatus &= ~VS_HIDDEN;
v->cur_speed = 0;
v->UpdateViewport(false, true);
SetWindowDirty(WC_VEHICLE_DEPOT, v->tile);
PlayShipSound(v);
VehicleServiceInDepot(v);
InvalidateWindowData(WC_VEHICLE_DEPOT, v->tile);
SetWindowClassesDirty(WC_SHIPS_LIST);
return false;
}
