public static int2 stepAlong(SavedPath path, int2 currentLocation)
{
if (path.currentIdx >= path.pathSteps.Length) return currentLocation;
var result = path.pathSteps[path.currentIdx];
path.currentIdx++;
return result;
}
// Convert a fully-defined Path into a struct Path which is easily usable by DOTS code
public SavedPath toSavedPath()
{
var result = new SavedPath();
var step = this;
var length = 0;
while (step.Parent != null)
{
length++;
step = step.Parent;
}
var steps = new NativeArray<int2>(length, Allocator.Persistent);
step = this;
for(var i = length - 1; i >= 0; i--)
{
steps[i] = step.location;
step = step.Parent;
}
result.pathSteps = steps;
// We don't actually use the first step since it should be the current position
result.currentIdx = 1;
return result;
}