bool AreAdjacentTilesBlocked(NavNode node, int offsetX, int offsetY)
{
Vector3Int adjIndex = new Vector3Int(node.GetIndex().x + offsetX, currentNavWrapper.node.GetIndex().y, Controls.GetTileZpf());
NavNode adjNode = pf.GetNode(adjIndex);
if (adjNode == null || adjNode.IsBlocked())
{
return(true);
}
adjIndex.x -= offsetX;
adjIndex.y += offsetY;
adjNode = pf.GetNode(adjIndex);
if (adjNode == null || adjNode.IsBlocked())
{
return(true);
}
return(false);
}
// Gets the next point in the path point list based on the passed in index.
// This point is returned by reference as a world position (nextPoint). Returns true if there is a valid next point.
// If it reaches the end or the path has failed it returns false.
// If the next point in the point list is blocked a new path is generated.
public bool GetNextPointIndex(ref Vector3 nextPoint, ref int index)
{
//TODO make it so we can check multiple points ahead to regenerate a path if
//there is a blockage coming sooner than the very next node
// We couldn't generate a path OR we are still waiting for the path to be generated.
if (!IsGenerated())
{
return(false);
}
index++;
if (index < pathpoints.Count)
{
// Check to see if this node is blocked at this point.
Vector3 worldpos = GetPathPointWorld(index);
NavNode node = pf.GetNode(worldpos);
if (node.IsBlocked())
{
// Create a new path if the previous path is no longe usuable.
if (isdynamicflag)
{
CreatePath(GetPathPointWorld(index - 1), endpos, searchWithDiagonals, true);
}
else
{
CreatePath(startpos, endpos, searchWithDiagonals, false);
}
return(false);
}
else
{
// We successfully found the next point.
nextPoint = worldpos;
return(true);
}
}
// We reached the end of our path.
return(false);
}
// Gets the previous point in the path point list based on the passed in index.
// This point is returned by reference as a world position (previousPoint). Returns true if there is a valid next point.
// If it reaches the end or the path has failed it returns false.
// If the next point in the point list is blocked a new path is generated.
public bool GetPreviousPointIndex(ref Vector3 previousPoint, ref int index)
{
// We couldn't generate a path OR we are still waiting for a path.
if (!IsGenerated())
{
return(false);
}
index--;
if (index >= 0)
{
// Check to see if this node is blocked at this point.
Vector3 worldpos = GetPathPointWorld(index);
NavNode node = pf.GetNode(worldpos);
if (node.IsBlocked()) // Create a new path if the previous path is no longer usuable.
{
if (isdynamicflag)
{
CreatePath(GetPathPointWorld(index + 1), startpos, searchWithDiagonals, true);
}
else
{
CreatePath(endpos, startpos, searchWithDiagonals, false);
}
return(false);
}
else
{
previousPoint = worldpos;
return(true);
}
}
return(false);
}