void fillGrid()
{
centerX = _engineOptions.gridWidth / 2;
centerY = _engineOptions.gridHeight / 2;
for (int x = 0; x < _engineOptions.gridWidth; x++)
{
for (int y = 0; y < _engineOptions.gridHeight; y++)
{
AbstractTrackBlock item;
if (x == centerX && y == centerY)
{
item = new DoubleStraightTrackBlock(x, y, 0, this);
}
else
{
item = generateTrackPiece(x, y);
}
grid[x, y] = item;
}
}
Locomotive locomotive = (Locomotive)train.PublicCarList[0];
locomotive.x = centerX;
locomotive.y = centerY;
locomotive.entry = (TrackSide)(random.Next() % (int)TrackSide.West + 1);
locomotive.progress = EngineOptions.blockSections / 2;
}
public DoubleStraightChild(DoubleStraightTrackBlock parentBlock,
int rotationOffset) : base(parentBlock.x, parentBlock.y,
rotationOffset, parentBlock.Parent)
{
this.parentBlock = parentBlock;
}
private AbstractTrackBlock generateTrackPiece(int x, int y)
{
//give random spin
int rotation = random.Next();
AbstractTrackBlock result;
if (!_engineOptions.mapWraps)
{
if (x == 0 || x == _engineOptions.gridWidth - 1 ||
y == 0 || y == _engineOptions.gridHeight - 1)
{
// it is on the edge
debugLog(String.Format("[{0}, {1}] is on the edge", x, y));
if (random.Next() % 2 == 0)
{
return(new DoubleCurvedTrackBlock(x, y, rotation, this));
}
return(new CurvedTrackBlock(x, y, rotation, this));
}
if ((x == 1 || x == _engineOptions.gridWidth - 2) &&
(y == 1 || y == _engineOptions.gridHeight - 2))
{
if (random.Next() % 10 == 0)
{
return(new DoubleStraightTrackBlock(x, y, rotation,
this));
}
return(new DoubleCurvedTrackBlock(x, y, rotation, this));
}
}
TrackType type = (TrackType)(random.Next() %
(int)TrackType.Station);//it is assumed that the station is the last one
//TODO: add weights
switch (type)
{
case TrackType.Curved:
result = new CurvedTrackBlock(x, y, rotation,
this);
break;
case TrackType.Straight:
result = new StraightTrackBlock(x, y, rotation,
this);
break;
case TrackType.DoubleCurved:
result = new DoubleCurvedTrackBlock(x, y,
rotation, this);
break;
case TrackType.DoubleStraight:
result = new DoubleStraightTrackBlock(x, y,
rotation, this);
break;
default:
throw new InvalidOperationException(
"Unexpected track type " + type + "!");
}
return(result);
}
