/// <summary>
///
/// </summary>
public void remove()
{
foreach (Voxel v in cube.Voxels)
{
if (v.Entity == this && !(v is BridgePierVoxel))
{
WorldDefinition.World.remove(v);
}
else
{
TrafficVoxel tv = v as TrafficVoxel;
if (tv != null)
{
SlopeRailRoad srr = tv.railRoad as SlopeRailRoad;
if (srr != null && srr.entity == this)
{
tv.remove();
}
}
}
// if(v.location.z==cube.z1)
// BridgePierVoxel.teardownBridgeSupport(v.location,this);
}
if (onEntityRemoved != null)
{
onEntityRemoved(this, null);
}
}
/// <summary>
/// Compute the cost of destructing a slope rail.
/// </summary>
/// <returns>If a destruction is impossible, return 0</returns>
public static int calcCostOfTearDownSlope(Location loc, Direction dir)
{
// make sure the first voxel is not occupied by a car
if (Car.Get(loc) != null)
{
return(0);
}
// the 2nd block has a distinctive zangle and zdiff. check it.
loc += dir;
RailRoad rr = RailRoad.get(loc);
if (!(rr is SlopeRailRoad))
{
return(0);
}
SlopeRailRoad srr = (SlopeRailRoad)rr;
if (!(srr.pattern.zangle == dir && srr.pattern.zdiff == 1))
{
return(0);
}
// make sure the 2nd rail is not occupied by a car
if (Car.Get(loc) != null)
{
return(0);
}
// check 3rd and 4th rails.
loc += dir;
loc.z++;
if (Car.Get(loc) != null)
{
return(0);
}
loc += dir;
if (Car.Get(loc) != null)
{
return(0);
}
return(SLOPE_DESTRUCTION_UNIT_COST * Math.Max(1, loc.z - WorldDefinition.World.WaterLevel));
}
/// <summary>
///
/// </summary>
/// <param name="dc"></param>
/// <param name="pt"></param>
public override void Draw(DrawContext dc, Point pt)
{
Surface display = dc.Surface;
pt.Y -= 9; // offset
CarState.Inside s = State.asInside();
Debug.Assert(s != null);
RailRoad rr = s.voxel.railRoad;
if (rr is SlopeRailRoad)
{ // slope rail
SlopeRailRoad srr = (SlopeRailRoad)rr;
switch (srr.level)
{// apply slope height
case 0: break;
case 1: pt.Y -= 4; break;
case 2: pt.Y += 8; break;
case 3: pt.Y += 4; break;
}
if (!parent.isReversed)
{
type.DrawSlope(display, pt, s.direction, s.direction == srr.climbDir);
}
else
{
type.DrawSlope(display, pt, s.direction.opposite, s.direction != srr.climbDir);
}
}
else
{ // level rail road
int d1 = s.direction.index;
int d2 = s.voxel.railRoad.Guide().index;
int angle;
if (d1 == d2)
{
angle = d1 * 2;
}
else
{
int diff = (d2 - d1) & 7;
if (diff == 7)
{
diff = -1;
}
int dd = (d2 * 2 + diff * 3) & 15; // operation is on modulo 16.
if (2 < dd && dd < 10)
{
pt.X += 3;
}
else
{
pt.X -= 3;
}
if (6 < dd && dd <= 14)
{
pt.Y += 2;
}
else
{
pt.Y -= 2;
}
angle = (d1 * 2 + diff) & 15;
}
if (parent.isReversed)
{
angle ^= 8;
}
type.Draw(display, pt, angle);
}
}
