internal static (bool startMovement, PointI hexToMoveTo) CheckForUnitMovementFromMouseInitiation(Stack stack, object args)
{
var(cellGrid, mouseLocation, camera) = (ValueTuple <CellGrid, Point, Camera>)args;
if (!camera.GetViewport.Contains(mouseLocation))
{
return(false, new PointI(0, 0));
}
var screenPixelToWorldHex = camera.ScreenPixelToWorldHex(mouseLocation);
var hexToMoveTo = new PointI(screenPixelToWorldHex.Col, screenPixelToWorldHex.Row);
if (hexToMoveTo.Equals(stack.LocationHex))
{
return(false, new PointI(0, 0));
}
var cellToMoveTo = cellGrid.GetCell(hexToMoveTo);
if (cellToMoveTo.SeenState == SeenState.NeverSeen)
{
return(false, new PointI(0, 0));
}
var costToMoveIntoResult = MovementCosts.GetCostToMoveInto(cellToMoveTo, stack.MovementTypes, stack.MovementPoints);
return(costToMoveIntoResult.CanMoveInto ? (true, hexToMoveTo) : (false, new PointI(0, 0)));
}
internal static (bool startMovement, PointI hexToMoveTo) CheckForUnitMovementFromKeyboardInitiation(Stack stack, object args)
{
var key = (Keys)args;
var direction = key switch
{
Keys.NumPad1 => Direction.SouthWest,
Keys.NumPad2 => Direction.South,
Keys.NumPad3 => Direction.SouthEast,
Keys.NumPad4 => Direction.West,
Keys.NumPad6 => Direction.East,
Keys.NumPad7 => Direction.NorthWest,
Keys.NumPad8 => Direction.North,
Keys.NumPad9 => Direction.NorthEast,
_ => throw new ArgumentOutOfRangeException()
};
var neighbor = HexLibrary.GetNeighbor(new HexOffsetCoordinates(stack.LocationHex.X, stack.LocationHex.Y), direction);
var hexToMoveTo = new PointI(neighbor.Col, neighbor.Row);
if (stack.LocationHex == hexToMoveTo)
{
return(false, new PointI(0, 0));
}
var costToMoveIntoResult = MovementCosts.GetCostToMoveInto(hexToMoveTo, stack.MovementTypes, stack.MovementPoints);
return(costToMoveIntoResult.CanMoveInto ? (true, hexToMoveTo) : (false, new PointI(0, 0)));
}
internal static List <PointI> DetermineMovementPath(HexLibrary hexLibrary, Stack stack, PointI from, PointI to, CellGrid cellGrid)
{
if (from.Equals(to))
{
return(new List <PointI>());
}
_hexLibrary = hexLibrary;
AStarSearch <PointI, Cost> mapSolver = new MapSolver();
mapSolver.GetAllNeighbors = GetAllNeighbors;
mapSolver.GetDistance = GetDistance;
var openList = new PriorityQueue <AStarSearch <PointI, Cost> .Node>();
var closedList = new Dictionary <PointI, Cost>();
mapSolver.Solve(GetCostToMoveIntoFunc, new PointI(cellGrid.NumberOfColumns, cellGrid.NumberOfRows), from, to, openList, closedList);
var path = mapSolver.Solution;
return(path);
GetCostToMoveIntoResult GetCostToMoveIntoFunc(PointI point)
{
return(MovementCosts.GetCostToMoveInto(point, stack.MovementTypes, stack.MovementPoints));
}
}
