/*
* called by wayside controller
* updates the current occupancy of block and check if a train is going to yard
* removes trains going to yard
*
*/
public void updateBlockOccupancy(int bId, bool occupied)
{
foreach (Train t in myTrainList)
{
if (!occupied && (bId == t.currBlock))
{
Block b = findBlock(bId);
Block prevBlock = findBlock(t.prevBlock);
Block currBlock = findBlock(t.currBlock);
t.prevBlock = t.currBlock;
if (prevBlock == currBlock)
{
prevBlock = null;
}
Block nextBlock = getNextBlock(prevBlock, currBlock, bId);
if (nextBlock != null)
{
t.currBlock = nextBlock.blockId;
}
if (b.lineId == 2) //red line
{
foreach (ListViewItem item in systemListView.Items)
{
if (item.Index == (nextBlock.blockNum))
{
item.SubItems[2] = new ListViewItem.ListViewSubItem()
{
Text = "Train " + t.trainId.ToString()
};
}
if (item.Index == (b.blockNum))
{
item.SubItems[2] = new ListViewItem.ListViewSubItem()
{
Text = "-"
};
}
}
if ((t.currBlock == 229) && (t.prevBlock == 161))
{
tm_window = trainModelArray[t.trainId];
tm_window.closeTrainController();
tm_window.Close();
tm_window = null;
trainModelArray[t.trainId] = null;
throughCounter++;
updateThroughput(trainCounter, throughCounter);
//t = null;
//myTrainList.Remove(t);
}
}
if (b.lineId == 1) //green line
{
if (nextBlock != null)
{
foreach (ListViewItem item in systemListView2.Items)
{
if (item.Index == (nextBlock.blockNum))
{
item.SubItems[2] = new ListViewItem.ListViewSubItem()
{
Text = "Train " + t.trainId.ToString()
};
}
if (item.Index == (b.blockNum))
{
item.SubItems[2] = new ListViewItem.ListViewSubItem()
{
Text = "-"
};
}
}
}
if ((t.currBlock == 57) || (b.isToYard))
{
tm_window = trainModelArray[t.trainId];
tm_window.closeTrainController();
tm_window.Close();
tm_window = null;
trainModelArray[t.trainId] = null;
throughCounter++;
updateThroughput(trainCounter, throughCounter);
//t = null;
//myTrainList.Remove(t);
}
}
}
}
}