/// <summary>
/// End a jump
/// </summary>
internal void EndJump()
{
if (_currentJumpSpot != null)
{
_currentJumpSpot.Complete(this);
}
this.IsNinja = false;
_inactiveTime = 0;
_fxPea.CollidesWith = Category.None; // This line is to prevent manifold to become 0 (fx)
_fxPea.ResetDynamics();
_fxPea.IgnoreGravity = true;
_fxPea.IsSensor = true;
_fxPea.CollidesWith = Category.All;
if (!IsTrapped)
{
ChangeMood(Mood.Ninja);
}
this.OnJumpCompleted.Invoke(new JumpEventArgs(_currentJumpSpot, this, 0));
_currentJumpSpot = null;
}
/// <summary>
///
/// </summary>
/// <param name="spot"></param>
/// <param name="pea"></param>
public JumpEventArgs(DataJumpSpot spot, DataPea pea, Int32 points)
: base()
{
this.Spot = spot;
this.Pea = pea;
this.Points = points;
}
/// <summary>
/// Jumps this DataJumpSpot
/// </summary>
/// <param name="location"></param>
internal void Jump(DataJumpSpot jumpspot)
{
this.IsNinja = true;
this.IsNotHappy = jumpspot == null;
_fxPea.CollidesWith = Category.None; // This line is to prevent manifold to become 0 (fx)
_fxPea.ResetDynamics();
_fxPea.IsSensor = false;
_fxPea.IgnoreGravity = false;
_fxPea.CollidesWith = Category.All;
if (jumpspot == null)
{
_fxPea.ApplyLinearImpulse(ConvertUnits.ToSimUnits(Vector2.UnitX * 120 * (Random.Next(100) >= 50 ? -1 : 1) + Vector2.UnitY * -220));
this.OnJumpStarted.Invoke(new JumpEventArgs(jumpspot, this, 0));
return;
}
var location = jumpspot.Placement;
_currentJumpSpot = jumpspot;
_currentJumpSpot.Start(this);
_fxPea.ApplyLinearImpulse(ConvertUnits.ToSimUnits(Vector2.UnitX * 120 * (location == DataJumpSpot.Location.Left ? -1 : 1) + Vector2.UnitY * -220));
ChangeMood(Mood.Happy);
this.OnJumpStarted.Invoke(new JumpEventArgs(jumpspot, this, 0));
}
/// <summary>
/// Creates a new flag sprite
/// </summary>
/// <param name="layer"></param>
/// <param name="source"></param>
public SpriteFlag(SceneLayer layer, DataJumpSpot source) : base(layer, "Graphics/Flag-Pole" )
{
_source = source;
//if (source.Placement == DataJumpSpot.Location.Left)
// this.Effects = SpriteEffects.FlipHorizontally;
}
/// <summary>
/// Binds a jump spot to this block
/// </summary>
/// <param name="spot"></param>
public void BindJumpSpot(DataJumpSpot spot)
{
if (spot.Placement == DataJumpSpot.Location.Left)
{
this.JumpLeft = spot;
}
else if (spot.Placement == DataJumpSpot.Location.Right)
{
this.JumpRight = spot;
}
this.OnJumpSpotBound.Invoke(spot, EventArgs.Empty);
}
/// <summary>
/// Kills the pea
/// </summary>
internal void Die()
{
this.IsAlive = false;
this.IsNinja = false;
_inactiveTime = 0;
_fxPea.LinearVelocity = Vector2.Zero;
_fxPea.CollidesWith = Category.None; // stop colliding
_fxPea.IgnoreGravity = true;
_collisions.Clear();
if (_currentJumpSpot != null)
{
_currentJumpSpot.Fail(this);
}
ChangeMood(Mood.Dying);
this.OnJumpFailed.Invoke(new JumpEventArgs(_currentJumpSpot, this, 0));
_currentJumpSpot = null;
}
/// <summary>
/// Finds a jump spot
/// </summary>
/// <param name="spot"></param>
/// <param name="location"></param>
/// <returns></returns>
private Boolean IsJumpSpot(DataBlock spot, DataJumpSpot.Location location)
{
/// -----
/// --X--
/// -LSR-
/// S = spot, X = jump location (up)
///
/// upup should be clear
/// up should be clear
///
/// left should be clear
/// leftleft should be clear
/// leftup should be clear
/// leftleftup should be clear
/// leftupup questionable
var position = spot.GridPosition;
var down = (position.Y < DataGrid.Height - 1) ? _grid.Grid[position.X][position.Y + 1] : null;
var solid = (spot == null || spot.IsFlatTop);
var upup = (position.Y > 1) ? _grid.Grid[position.X][position.Y - 2] : null;
var up = (position.Y > 0) ? _grid.Grid[position.X][position.Y - 1] : null;
var left = (position.X > 0) ? _grid.Grid[position.X - 1][position.Y] : null;
var leftleft = (position.X > 1) ? _grid.Grid[position.X - 2][position.Y] : null;
var leftup = (position.X > 0 && (position.Y > 0)) ? _grid.Grid[position.X - 1][position.Y - 1] : null;
var leftdown = (position.X > 0 && (position.Y < DataGrid.Height - 1)) ? _grid.Grid[position.X - 1][position.Y + 1] : null;
var leftleftdown = (position.X > 1 && (position.Y < DataGrid.Height - 1)) ? _grid.Grid[position.X - 2][position.Y + 1] : null;
var leftleftup = (position.X > 1 && (position.Y > 0)) ? _grid.Grid[position.X - 2][position.Y - 1] : null;
var leftupup = (position.X > 0 && (position.Y > 1)) ? _grid.Grid[position.X - 1][position.Y - 2] : null;
var right = (position.X < DataGrid.Width - 1) ? _grid.Grid[position.X + 1][position.Y] : null;
var rightright = (position.X < DataGrid.Width - 2) ? _grid.Grid[position.X + 2][position.Y] : null;
var rightup = (position.X < DataGrid.Width - 1 && (position.Y > 0)) ? _grid.Grid[position.X + 1][position.Y - 1] : null;
var rightdown = (position.X < DataGrid.Width - 1 && (position.Y < DataGrid.Height - 1)) ? _grid.Grid[position.X + 1][position.Y + 1] : null;
var rightrightdown = (position.X < DataGrid.Width - 2 && (position.Y < DataGrid.Height - 1)) ? _grid.Grid[position.X + 2][position.Y + 1] : null;
var rightrightup = (position.X < DataGrid.Width - 2 && (position.Y > 0)) ? _grid.Grid[position.X + 2][position.Y - 1] : null;
var rightupup = (position.X < DataGrid.Width - 1 && (position.Y > 1)) ? _grid.Grid[position.X + 1][position.Y - 2] : null;
// Above and above that should be clear
if (!solid || (up != null && (!up.IsClear || up.IsTransitioning)) || (upup != null && (!upup.IsClear || upup.IsTransitioning)))
return false;
if (location == DataJumpSpot.Location.Left)
return ((left != null && left.IsClear && !left.IsTransitioning) &&
(leftleft != null && leftleft.IsClear && !leftleft.IsTransitioning) &&
(leftupup == null || (leftupup.IsClear && !leftupup.IsTransitioning)) &&
(leftleftup == null || (leftleftup.IsClear && !leftleftup.IsTransitioning)) &&
(leftup == null || (leftup.IsClear)));
if (location == DataJumpSpot.Location.Right)
return ((right != null && right.IsClear && !right.IsTransitioning) &&
(rightright != null && rightright.IsClear && !rightright.IsTransitioning) &&
(rightupup == null || (rightupup.IsClear && !rightupup.IsTransitioning)) &&
(rightrightup == null || (rightrightup.IsClear && !rightrightup.IsTransitioning)) &&
(rightup == null || (rightup.IsClear && !rightup.IsTransitioning)));
return false;
}
/// <summary>
/// Finds a path to a jumping spot
/// </summary>
/// <param name="spot">Spot to jump</param>
/// <param name="path">Path</param>
/// <returns>Has found</returns>
private Boolean FindPath(DataPea pea, DataJumpSpot spot, out Queue<MoveNode> path)
{
path = new Queue<MoveNode>();
var startNode = new Node<MoveNode>() { Value = GetSnapshot(pea).PreviousNode }; //.Action == MoveNode.Type.None ? new Node<MoveNode>() { Value = new MoveNode() { Position = pea.GridPosition, Action = MoveNode.Type.Walk} } : ;
var goalNode = new Node<MoveNode>() { Value = new MoveNode() { Position = new Point(spot.Source.X, spot.Source.Y - 1), Action = MoveNode.Type.Walk } };
var domain = new List<Node<MoveNode>>();
domain.Add(startNode);
// Notes: Normally you would build the domain from ALL the walkable places and
// have the neighbourghing function run just once for each node. Because that
// function is complex, I added it dynamically (runs on reach node). This changes
// some of the behavior of A*. Don't forget that...
// Debuging
Solver<MoveNode>.SolverProgress += new EventHandler<SolverResultEventArgs<MoveNode>>(PeaController_SolverProgress);
// Get a path
var result = Solver<MoveNode>.Solve(
startNode,
goalNode,
domain,
CreateMoveNodesFrom, // This was initialially not in the solver
n => Math.Abs(n.Value.Position.X - goalNode.Value.Position.X) + Math.Abs(n.Value.Position.Y - goalNode.Value.Position.Y),
n => Math.Abs(n.Value.Position.X - startNode.Value.Position.X) + Math.Abs(n.Value.Position.Y - startNode.Value.Position.X),
(n, m) => n.Value.Equals(m.Value),
#if DEBUG
true
#else
false
#endif
);
if (result == null)
{
path = null;
return false;
}
foreach (Node<MoveNode> node in result)
path.Enqueue(node.Value);
return true;
}
/// <summary>
///
/// </summary>
/// <param name="spot"></param>
public void CompleteJumpSpot(DataJumpSpot spot)
{
this.OnJumpSpotCompleted.Invoke(spot, EventArgs.Empty);
}
/// <summary>
/// Kills the pea
/// </summary>
internal void Die()
{
this.IsAlive = false;
this.IsNinja = false;
_inactiveTime = 0;
_fxPea.LinearVelocity = Vector2.Zero;
_fxPea.CollidesWith = Category.None; // stop colliding
_fxPea.IgnoreGravity = true;
_collisions.Clear();
if (_currentJumpSpot != null)
_currentJumpSpot.Fail(this);
ChangeMood(Mood.Dying);
this.OnJumpFailed.Invoke(new JumpEventArgs(_currentJumpSpot, this, 0));
_currentJumpSpot = null;
}
/// <summary>
/// End a jump
/// </summary>
internal void EndJump()
{
if (_currentJumpSpot != null)
_currentJumpSpot.Complete(this);
this.IsNinja = false;
_inactiveTime = 0;
_fxPea.CollidesWith = Category.None; // This line is to prevent manifold to become 0 (fx)
_fxPea.ResetDynamics();
_fxPea.IgnoreGravity = true;
_fxPea.IsSensor = true;
_fxPea.CollidesWith = Category.All;
if (!IsTrapped)
ChangeMood(Mood.Ninja);
this.OnJumpCompleted.Invoke(new JumpEventArgs(_currentJumpSpot, this, 0));
_currentJumpSpot = null;
}
/// <summary>
/// Jumps this DataJumpSpot
/// </summary>
/// <param name="location"></param>
internal void Jump(DataJumpSpot jumpspot)
{
this.IsNinja = true;
this.IsNotHappy = jumpspot == null;
_fxPea.CollidesWith = Category.None; // This line is to prevent manifold to become 0 (fx)
_fxPea.ResetDynamics();
_fxPea.IsSensor = false;
_fxPea.IgnoreGravity = false;
_fxPea.CollidesWith = Category.All;
if (jumpspot == null)
{
_fxPea.ApplyLinearImpulse(ConvertUnits.ToSimUnits(Vector2.UnitX * 120 * (Random.Next(100) >= 50 ? -1 : 1) + Vector2.UnitY * -220));
this.OnJumpStarted.Invoke(new JumpEventArgs(jumpspot, this, 0));
return;
}
var location = jumpspot.Placement;
_currentJumpSpot = jumpspot;
_currentJumpSpot.Start(this);
_fxPea.ApplyLinearImpulse(ConvertUnits.ToSimUnits(Vector2.UnitX * 120 * (location == DataJumpSpot.Location.Left ? -1 : 1) + Vector2.UnitY * -220));
ChangeMood(Mood.Happy);
this.OnJumpStarted.Invoke(new JumpEventArgs(jumpspot, this, 0));
}
/// <summary>
///
/// </summary>
/// <param name="spot"></param>
public void CompleteJumpSpot(DataJumpSpot spot)
{
this.OnJumpSpotCompleted.Invoke(spot, EventArgs.Empty);
}
/// <summary>
/// Is reachable from spot
/// </summary>
/// <param name="spot"></param>
/// <returns></returns>
private Boolean IsReachable(DataPea pea, DataJumpSpot spot, out Queue<MoveNode> path)
{
// Question: Is it worth it to save paths found (need re-evaluation when grid
// changes). Should test that later and work from there.
if (!FindPath(pea, spot, out path))
return false;
return true;
}
/// <summary>
/// Binds a jump spot to this block
/// </summary>
/// <param name="spot"></param>
public void BindJumpSpot(DataJumpSpot spot)
{
if (spot.Placement == DataJumpSpot.Location.Left)
this.JumpLeft = spot;
else if (spot.Placement == DataJumpSpot.Location.Right)
this.JumpRight = spot;
this.OnJumpSpotBound.Invoke(spot, EventArgs.Empty);
}
/// <summary>
/// Is still a valid jumpspot
/// </summary>
/// <param name="dataJumpSpot"></param>
/// <returns></returns>
protected Boolean IsValid(DataJumpSpot dataJumpSpot)
{
return (dataJumpSpot.Placement == DataJumpSpot.Location.Left ? dataJumpSpot == dataJumpSpot.Source.JumpLeft : dataJumpSpot == dataJumpSpot.Source.JumpRight)
|| IsJumpSpot(dataJumpSpot.Source, dataJumpSpot.Placement);
}
/// <summary>
///
/// </summary>
/// <param name="spot"></param>
/// <param name="pea"></param>
public JumpEventArgs(DataJumpSpot spot, DataPea pea)
: base()
{
this.Spot = spot;
this.Pea = pea;
}