public override void BlockClicked(GameObject go)
{
SubwayBlock block = go.GetComponent <SubwayBlock>();
if (currentPath.Count == 0)
{
// Not editing a current path
if (block.state == SubwayBlock.State.EMPTY)
{
// Start a new path
currentPath.Add(block.pos);
pathControls.SetActive(true);
pathConfirmButton.SetActive(false);
}
else
{
// Edit an existing path
// Find which path we're editing
pathToEdit = paths.Find(path => path.Contains(block.pos));
if (pathToEdit.Count == 0)
{
// Debug.Log("Couldn't find path");
}
else
{
currentPath = new List <Coordinate>(pathToEdit);
paths.Remove(pathToEdit);
currentPath.ForEach(coord => GetBlock(coord).GetComponent <SubwayBlock>().confirmed = false);
pathControls.SetActive(true);
pathConfirmButton.SetActive(true);
}
}
}
else
{
// Building a current path
if (block.state == SubwayBlock.State.EMPTY)
{
// Continue building current path
Block previousBlock = GetBlock(currentPath[currentPath.Count - 1]).GetComponent <Block>();
if (block.isInLineWith(previousBlock))
{
List <Coordinate> newPath = previousBlock.getPathToBlock(block);
int ind = newPath.FindIndex(p => GetBlock(p).GetComponent <SubwayBlock>().state != SubwayBlock.State.EMPTY);
if (ind != -1)
{
// Debug.Log("Path conflicts with previous path! " + ind);
}
else
{
newPath.ForEach(p => currentPath.Add(p));
pathConfirmButton.SetActive(true);
}
}
else
{
// Debug.Log("Path must be a straight line!");
}
}
else
{
// Truncate current path
int i = currentPath.FindIndex(coord => coord == block.pos);
if (i != -1)
{
currentPath.GetRange(i + 1, currentPath.Count - i - 1).ForEach(coord => {
GetBlock(coord).GetComponent <SubwayBlock>().state = SubwayBlock.State.EMPTY;
});
currentPath.RemoveRange(i + 1, currentPath.Count - i - 1);
pathConfirmButton.SetActive(currentPath.Count > 1);
}
}
}
UpdatePath();
}
private void UpdatePath()
{
// string s = "";
// currentPath.ForEach(p => s += p + " ");
// Debug.Log("Updating path with " + currentPath.Count + " blocks: " + s);
if (currentPath.Count == 1)
{
GetBlock(currentPath[0]).GetComponent <SubwayBlock>().state = SubwayBlock.State.NODE;
}
else
{
// 0 or 2+ blocks
for (int i = 0; i < currentPath.Count; i++)
{
Block block = GetBlock(currentPath[i]).GetComponent <Block>();
SubwayBlock subwayBlock = GetBlock(currentPath[i]).GetComponent <SubwayBlock>();
if (i == 0 || i == currentPath.Count - 1)
{
// Ends
SubwayBlock.Direction dir;
if (i == 0)
{
// Beginning
Block nextBlock = GetBlock(currentPath[i + 1]).GetComponent <Block>();
dir = block.getDirectionRelativeTo(nextBlock);
}
else
{
// Ending
Block previousBlock = GetBlock(currentPath[i - 1]).GetComponent <Block>();
dir = block.getDirectionRelativeTo(previousBlock);
}
switch (dir)
{
case SubwayBlock.Direction.UP:
subwayBlock.state = SubwayBlock.State.NODE_UP;
break;
case SubwayBlock.Direction.RIGHT:
subwayBlock.state = SubwayBlock.State.NODE_RIGHT;
break;
case SubwayBlock.Direction.LEFT:
subwayBlock.state = SubwayBlock.State.NODE_LEFT;
break;
case SubwayBlock.Direction.DOWN:
subwayBlock.state = SubwayBlock.State.NODE_DOWN;
break;
}
}
else
{
// Middle
Block previousBlock = GetBlock(currentPath[i - 1]).GetComponent <Block>();
Block nextBlock = GetBlock(currentPath[i + 1]).GetComponent <Block>();
SubwayBlock.Direction previousDir = block.getDirectionRelativeTo(previousBlock);
SubwayBlock.Direction nextDir = block.getDirectionRelativeTo(nextBlock);
// Horizontal
if ((previousDir == SubwayBlock.Direction.LEFT && nextDir == SubwayBlock.Direction.RIGHT) || (previousDir == SubwayBlock.Direction.RIGHT && nextDir == SubwayBlock.Direction.LEFT))
{
subwayBlock.state = SubwayBlock.State.HORIZONTAL;
}
else if ((previousDir == SubwayBlock.Direction.UP && nextDir == SubwayBlock.Direction.DOWN) || (previousDir == SubwayBlock.Direction.DOWN && nextDir == SubwayBlock.Direction.UP))
{
subwayBlock.state = SubwayBlock.State.VERTICAL;
}
else if ((previousDir == SubwayBlock.Direction.LEFT && nextDir == SubwayBlock.Direction.DOWN) || (previousDir == SubwayBlock.Direction.DOWN && nextDir == SubwayBlock.Direction.LEFT))
{
subwayBlock.state = SubwayBlock.State.CORNER_DOWN_LEFT;
}
else if ((previousDir == SubwayBlock.Direction.LEFT && nextDir == SubwayBlock.Direction.UP) || (previousDir == SubwayBlock.Direction.UP && nextDir == SubwayBlock.Direction.LEFT))
{
subwayBlock.state = SubwayBlock.State.CORNER_LEFT_UP;
}
else if ((previousDir == SubwayBlock.Direction.RIGHT && nextDir == SubwayBlock.Direction.DOWN) || (previousDir == SubwayBlock.Direction.DOWN && nextDir == SubwayBlock.Direction.RIGHT))
{
subwayBlock.state = SubwayBlock.State.CORNER_RIGHT_DOWN;
}
else if ((previousDir == SubwayBlock.Direction.RIGHT && nextDir == SubwayBlock.Direction.UP) || (previousDir == SubwayBlock.Direction.UP && nextDir == SubwayBlock.Direction.RIGHT))
{
subwayBlock.state = SubwayBlock.State.CORNER_UP_RIGHT;
}
else
{
Debug.Log("OOPS!");
}
}
}
}
}
