/// <summary>
///
/// </summary>
/// <param name="here"></param>
/// <param name="to"></param>
public override void Remove(Location here, Location to)
{
if (here == to)
{
return;
}
Direction d = here.getDirectionTo(to);
while (true)
{
RailImpl rr = RailRoad.get(here) as RailImpl;
if (rr != null && rr.hasRail(d))
{
// destroy it
rr.Voxel.railRoad = null;
// TODO: delete piers
BridgePierVoxel.teardownBridgeSupport(here, TrafficVoxel.get(here));
}
if (here == to)
{
return;
}
here = here.toward(to);
}
}
/// <summary>
/// Builds normal RR between two specified locations
/// </summary>
/// <returns>false if the operation was unsuccessful</returns>
public static bool Build(Location here, Location there)
{
// ensure that nothing is on our way between "from" and "to"
WorldDefinition world = WorldDefinition.World;
int cost;
if (ComputeRoute(here, there, out cost) == null)
{
return(false);
}
Direction d = here.getDirectionTo(there);
while (true)
{
TrafficVoxel v = TrafficVoxel.getOrCreate(here);
if (v == null)
{
Voxel vv = WorldDefinition.World[here];
Debug.Assert(vv.Entity.isSilentlyReclaimable);
vv.Entity.remove();
v = TrafficVoxel.getOrCreate(here);
}
Direction dd;
if (here != there)
{
dd = here.getDirectionTo(there);
}
else
{
dd = d;
}
if (v.railRoad != null)
{
v.railRoad.Attach(here == there ? d.opposite : d);
WorldDefinition.World.OnVoxelUpdated(here);
}
else
{
v.railRoad = new SingleRailRoad(v, RailPattern.get(d.opposite, dd));
// if this RR is elevated, elect a bridge support.
// if((++cycle%2)==0)
BridgePierVoxel.electBridgeSupport(here, typeof(BridgePierVoxel.DefaultImpl), v);
}
if (here == there)
{
break;
}
d = dd;
here = here.toward(there);
}
Accounting.AccountGenre.RailService.Spend(cost); // charge the cost
return(true);
}
/// <summary>
/// Creates a new slope. A slope consists of four consective
/// blocks of railroads. The base parameter specifies the location
/// of the lowest railroad and the direction parameter
/// specifies the direction to climb.
///
/// The caller must use the canCreateSlope method to check
/// if this method can be invoked.
/// </summary>
public static void createSlope(Location _base, Direction dir)
{
Debug.Assert(canCreateSlope(_base, dir));
// charge the cost before we alter something
Accounting.AccountGenre.RailService.Spend(calcCostOfNewSlope(_base, dir));
SlopeEntity entity = new SlopeEntity(_base, dir);
for (int i = 0; i < 4; i++)
{
if (_base.z < WorldDefinition.World.GetGroundLevel(_base))
{
new SlopeRailRoad(entity, TrafficVoxel.getOrCreate(
_base.x, _base.y, _base.z + (i / 2)),
RailPattern.getUGSlope(dir, i));
if (i < 2)
{
// space filler
new SlopeFillerVoxel(entity, _base.x, _base.y, _base.z + 1, i);
}
else
{
new SlopeSupportVoxel(entity, _base.x, _base.y, _base.z, i,
RailPattern.slopeWalls[dir.index + i - 2]);
}
}
else
{
new SlopeRailRoad(entity, TrafficVoxel.getOrCreate(
_base.x, _base.y, _base.z + (i / 2)),
RailPattern.getSlope(dir, i));
if (i < 2)
{
// space filler
new SlopeFillerVoxel(entity, _base.x, _base.y, _base.z + 1, i);
}
else
{
new SlopeSupportVoxel(entity, _base.x, _base.y, _base.z, i,
RailPattern.slopeSupports[dir.index + (i - 2)]);
}
}
Type bridgeStyle;
if (dir == Direction.NORTH || dir == Direction.EAST)
{
bridgeStyle = typeof(BridgePierVoxel.DefaultImpl);
}
else
{
bridgeStyle = typeof(BridgePierVoxel.SlopeNEImpl);
}
BridgePierVoxel.electBridgeSupport(_base, bridgeStyle, entity);
_base += dir;
}
}
///// <summary>
///// Elects a bridge support from the surface level to the given location,
///// if it can be done.
///// </summary>
///// <param name="loc">The location of the elevated RR.</param>
// public static void electBridgeSupport( Location loc, Type topBridgeType, Type otherBridgeType ) {
//
// // check if a support is buildable
// // TODO: start from the surface level
// for( int z=0; z<loc.z; z++ )
// if(World.world[loc.x,loc.y,z]!=null)
// return;
//
// // if we can, do it
// for( int z=World.world.getGroundLevel(loc); z<loc.z; z++ ) {
// Activator.CreateInstance(
// (z==loc.z-1)?topBridgeType:otherBridgeType,
// new object[]{ loc.x, loc.y, z });
// }
// }
/// <summary>
/// Tears down a bridge support if any.
/// </summary>
public static void teardownBridgeSupport(Location loc, IEntity owner)
{
for (int z = 0; z < loc.z; z++)
{
BridgePierVoxel v = WorldDefinition.World[loc.x, loc.y, z] as BridgePierVoxel;
if (v != null)
{
WorldDefinition.World.remove(loc.x, loc.y, z);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="here"></param>
/// <param name="to"></param>
public override void Build(Location here, Location to)
{
Debug.Assert(CanBeBuilt(here, to));
Direction d = here.getDirectionTo(to);
bool building = false;
bool pier = true;
while (true)
{
if (RailRoad.get(here) == null)
{
TrafficVoxel v = TrafficVoxel.getOrCreate(here);
if (!building)
{
building = true;
create(v, d, BridgeRailMode.Begin);
}
else
{
create(v, d,
(here == to || RailRoad.get(here + d) != null)
? BridgeRailMode.End : BridgeRailMode.Middle);
}
if (pier)
{
BridgePierVoxel.electBridgeSupport(here,
d.isParallelToX ? typeof(PierTop1Impl) : typeof(PierTop2Impl),
d.isParallelToX ? typeof(PierBody1Impl) : typeof(PierBody2Impl), v);
}
pier = !pier;
}
else
{
building = false;
}
if (here == to)
{
return;
}
here = here.toward(to);
}
}
/// <summary>
///
/// </summary>
/// <param name="here"></param>
/// <param name="to"></param>
public override void Build(Location here, Location to)
{
Debug.Assert(CanBeBuilt(here, to));
Direction d = here.getDirectionTo(to);
while (true)
{
if (RailRoad.get(here) == null)
{
TrafficVoxel tv = TrafficVoxel.getOrCreate(here);
new RailImpl(tv, d);
BridgePierVoxel.electBridgeSupport(here, tv);
}
if (here == to)
{
return;
}
here = here.toward(to);
}
}
/// <summary>
/// Removes a slope. The format of the parameters are the same
/// as the createSlope method. Ut us
/// </summary>
public static void removeSlope(Location loc, Direction dir)
{
Debug.Assert(canRemoveSlope(loc, dir));
// charge the cost before we alter something
Accounting.AccountGenre.RailService.Spend(calcCostOfTearDownSlope(loc, dir));
for (int i = 0; i < 4; i++)
{
TrafficVoxel v = TrafficVoxel.get(loc.x, loc.y, loc.z + (i / 2));
v.railRoad = null;
Location l = loc;
l.z += -(i / 2) + 1;
Debug.Assert(WorldDefinition.World[l] is EmptyVoxel);
WorldDefinition.World.remove(l);
BridgePierVoxel.teardownBridgeSupport(loc, v);
loc += dir;
}
}
/// <summary>
/// Removes normal RR between two specified locations
/// </summary>
/// <returns>false if the operation was unsuccessful</returns>
public static void Remove(Location here, Location there)
{
WorldDefinition world = WorldDefinition.World;
Direction d = here.getDirectionTo(there);
// charge the cost first.
Accounting.AccountGenre.RailService.Spend(CalcCostOfRemoving(here, there));
while (true)
{
Direction dd;
if (here != there)
{
dd = here.getDirectionTo(there);
}
else
{
dd = d;
}
TrafficVoxel v = TrafficVoxel.get(here);
if (v != null && v.railRoad != null && !v.isOccupied)
{
v.railRoad.Detach(d.opposite, dd);
}
BridgePierVoxel.teardownBridgeSupport(here, v);
if (here == there)
{
break;
}
d = dd;
here = here.toward(there);
}
}
