public MoveToPointAction(Unit.Unit unit, Grid.Grid.Node destination, Transform toMove = null, bool twoWayCollisions = false)
{
_destination = destination;
_twoWayCollisions = twoWayCollisions;
_unit = unit;
_transformToMove = toMove ?? unit.transform;
}
protected override State OnExecute(AgentContext context)
{
var occupant = context.Agent.GetComponent <GridOccupantBehaviour>();
if (occupant == null)
{
return(State.Failed);
}
Vector2Int newPos = Vector2Int.zero;
var node = new Grid.Grid.Node();
bool noPointFound = true;
while (noPointFound)
{
var direction = Random.Range(0, 2) == 1 ? Vector2Int.right : Vector2Int.up;
var magnitude = Random.Range(0, 2) == 1 ? 1 : -1;
newPos = occupant.CurrentNodeIdx + (magnitude * direction);
if (occupant.Get().Value.TryGetNodeAt(newPos.x, newPos.y, ref node))
{
noPointFound = node.Cost < 0;
}
}
context.AgentBlackboard.Add <Grid.Grid.Node?>(outputKey, node);
return(State.Succeeded);
}
public override void Check(Blackboard agentBoard)
{
var col = Physics2D.OverlapBox(transform.position, _size, 0, targetLayers);
if (col?.transform != null)
{
var node = new Grid.Grid.Node();
if (_grid.Get().Value.TryGetNodeAtWorldPosition(col.transform.position, ref node))
{
_hasTarget = true;
_agent.Target = col.transform;
agentBoard.Add <Grid.Grid.Node?>(targetNodeKey, node);
return;
}
}
if (removeTargetOnExit)
{
_hasTarget = false;
_agent.Target = null;
agentBoard.Remove(targetNodeKey);
}
}
public override bool CanTarget(GridOccupant target, GridOccupant wielder, Grid.Grid grid)
{
var direction = target.Position - wielder.Position;
if (!direction.IsCardinal() || direction.CardinalMagnitude() > 1)
{
return(false);
}
var node = new Grid.Grid.Node();
if (grid.TryGetNodeAt(wielder.Position, ref node))
{
return(node.Occupants.Any(it => TargetTypes.Contains(it.Type)));
}
return(false);
}
public void Fire(Unit.Unit unit, Grid.Grid.Node destination, Action onComplete)
{
_move.Move(unit, destination, () =>
{
// spawn item??
// destroy
if (pickupPrefab)
{
unit.QueueAction(new SpawnPickupAction(pickupPrefab, transform.position, item));
unit.QueueAction(new DestroyGameObjectAction(gameObject));
}
else
{
_unit.Occupant.UpdateGrid(transform.position);
}
onComplete();
});
}
public virtual List <Grid.Grid.Node> FindEffectedNodes(GridOccupant wielder, Vector2Int direction, Grid.Grid grid)
{
var occupants = FindTargets(wielder, direction, grid);
var nodes = new List <Grid.Grid.Node>();
foreach (var occupant in occupants)
{
if (nodes.FindIndex(it => it.Position == occupant.Position) > -1)
{
var n = new Grid.Grid.Node();
if (grid.TryGetNodeAt(occupant.Position, ref n))
{
nodes.Add(n);
}
}
}
return(nodes);
}
protected override State OnExecute(AgentContext context)
{
if (!context.AgentBlackboard.Contains(targetDirKey))
{
return(State.Failed);
}
var dir = context.AgentBlackboard.RetrieveData <Vector2Int>(targetDirKey);
var occupant = context.Agent.GetComponent <GridOccupantBehaviour>();
if (occupant == null)
{
return(State.Failed);
}
var agentNode = occupant.CurrentNode;
if (agentNode == null)
{
return(State.Failed);
}
dir.x = MathUtils.ClampInt(dir.x, -1, 1);
dir.y = MathUtils.ClampInt(dir.y, -1, 1);
dir *= speed;
dir.x += agentNode.Value.X;
dir.y += agentNode.Value.Y;
var moveNode = new Grid.Grid.Node();
if (occupant.Get().Value.TryGetNodeAt(dir.x, dir.y, ref moveNode))
{
context.AgentBlackboard.Add <Grid.Grid.Node?>(outputKey, moveNode);
return(State.Succeeded);
}
else
{
return(State.Failed);
}
}
// public override Grid.Grid.Node[] FindTargets(Grid.Grid.Node wielder, Grid.Grid grid)
// {
// var neighbours = grid.GetNeighbours(wielder);
//
// // todo(chris) consider optimising as this will be used by every mellee enemy on the grid
// return neighbours.Where(node => node.Occupants.Any(it => it.Tags.Intersect(TargetTypes).Any())).ToArray();
// }
// todo(chris) shouldnt this only find targets in direction??
public override GridOccupant[] FindTargets(GridOccupant wielder, Vector2Int direction, Grid.Grid grid)
{
var node = new Grid.Grid.Node();
if (grid.TryGetNodeAt(wielder.Position, ref node))
{
var neighbours = grid.GetNeighbours(node);
var targets = new List <GridOccupant>();
foreach (var neighbour in neighbours)
{
var validOccupants = neighbour.Occupants.Where(it => TargetTypes.Contains(it.Type));
targets.AddRange(validOccupants);
}
return(targets.ToArray());
}
return(null);
}
protected override State OnExecute(AgentContext context)
{
if (!context.AgentBlackboard.Contains(relativePosKey))
{
return(State.Failed);
}
var relativePos = context.AgentBlackboard.RetrieveData <Vector2Int>(relativePosKey);
var nodeIdx = context.Occupant.CurrentNodeIdx + relativePos;
var node = new Grid.Grid.Node();
if (context.Occupant.Grid.TryGetNodeAt(nodeIdx.x, nodeIdx.y, ref node))
{
context.AgentBlackboard.Add <Grid.Grid.Node?>(outputKey, node);
return(State.Succeeded);
}
else
{
return(State.Failed);
}
}
public PathDetails CalculatePath(GridOccupant wielder, Vector2Int direction, Grid.Grid grid)
{
PathDetails path = new PathDetails
{
Travelled = new List <Grid.Grid.Node>(),
IsLastNodeTarget = false
};
var normalised = direction.CardinalNormalise();
var magnitude = projectile.Range;
var node = new Grid.Grid.Node();
for (int i = 1; i <= magnitude; i++)
{
if (grid.TryGetNodeAt(wielder.Position + i * normalised, ref node))
{
path.Travelled.Add(node);
// if we have hit something that has a type then weve eiher hit something we cant move though
// or weve hit our target
if (node.Occupants.Any(it => it.Type != null))
{
path.IsLastNodeTarget = node.Occupants.Any(it => it.Type != null && TargetTypes.Contains(it.Type));
break;
}
// todo(chris) add back in when we implement penetration
// else
// {
// var targetOccupants = node.Occupants.Where(it => TargetTypes.Contains(it.Type));
//
// var gridOccupants = targetOccupants as GridOccupant[] ?? targetOccupants.ToArray();
//
// // occupant isnt a target so cant go through
// if (gridOccupants.Length == 0)
// {
// break;
// }
//
// path.Hits.Add(node);
//
// var penetrating = gridOccupants.Where(occupant => projectile.PenitrationTags.Contains(occupant.Type));
//
// var penetratingArray = penetrating as GridOccupant[] ?? penetrating.ToArray();
//
// // cant penetrate target to this will be as far as we go
// if (penetratingArray.Length == 0)
// {
// break;
// }
//
// // if we cant penetrate all then we are done
// if (remainingDepth <= penetratingArray.Length)
// {
// break;
// }
//
// // continue;
// }
}
else
{
break;
}
}
if (path.IsLastNodeTarget && path.Travelled.Count == 0)
{
path = new PathDetails
{
Travelled = new List <Grid.Grid.Node>(),
IsLastNodeTarget = false
};
}
else
{
path.Travelled.RemoveAt(0);
}
return(path);
}
private bool QueueActions(Vector3 position)
{
Grid.Grid.Node clickedNode = new Grid.Grid.Node();
var isClickedNodeValid = _unit.Occupant.Grid.TryGetNodeAtWorldPosition(position, ref clickedNode);
Grid.Grid.Node myNode = new Grid.Grid.Node();
var isMyNodeValid = _unit.Occupant.Grid.TryGetNodeAtWorldPosition(transform.position, ref myNode);
if (isMyNodeValid && isClickedNodeValid)
{
if (_isUsingBomb)
{
if (_inventory == null)
{
return(false);
}
var diff = clickedNode.Position - myNode.Position;
if (!diff.IsCardinal())
{
return(false);
}
AggregateSlot slot;
if (!_inventory.RetrieveSlot(bombKey, out slot))
{
return(false);
}
slot.Total -= 1;
_inventory.UpdateSlot(bombKey, slot);
_unit.QueueRange(bombChucker.Use(_unit.Occupant.Occupant, diff, _unit.Occupant.Grid));
return(true);
}
else if (_isUsingItem)
{
if (_item != null)
{
var direction = clickedNode.Position - _unit.Occupant.Occupant.Position;
var actions = _item.Use(_unit.Occupant.Occupant, direction, _unit.Occupant.Grid);
if (actions != null && actions.Count > 0)
{
_unit.QueueRange(actions);
return(true);
}
}
else
{
return(false);
}
}
else
{
// attack
var direction = clickedNode.Position - _unit.Occupant.Occupant.Position;
var targets = mainWeapon.FindTargets(_unit.Occupant.Occupant, direction, _unit.Occupant.Grid);
if (Array.Exists(targets, it => it.Position == clickedNode.Position))
{
var actions = mainWeapon.Use(_unit.Occupant.Occupant, direction, _unit.Occupant.Grid);
if (actions != null && actions.Count > 0)
{
_unit.QueueRange(actions);
return(true);
}
}
// move
var path = _pathfinding.CalculatePath(transform.position, position);
if (path != null && path.Count > 0)
{
var first = path[0];
_unit.QueueAction(new MoveToPointAction(_unit, first));
return(true);
}
}
}
return(false);
}
public LaunchProjectileAction(GridOccupant wielder, Grid.Grid.Node endPoint, ProjectileBehaviour projectile)
{
_wielder = wielder;
_endPoint = endPoint;
_projectile = projectile;
}
public override List <IUnitAction> Handle(PushWeaponEffect effect, GameObject wielder)
{
var actions = new List <IUnitAction>();
Vector2Int direction = GetPush(effect, wielder);
if (direction == Vector2Int.zero)
{
Debug.Log($"{wielder.name} Tried To Push {name} (0, 0)!!");
return(actions);
}
var pos = _occupant.CurrentNodeIdx + direction;
var node = new Grid.Grid.Node();
if (_occupant.Get().Value.TryGetNodeAt(pos.x, pos.y, ref node))
{
// todo(chris) this doesnt really work with anything that isnt just in 1 direction
actions.Add(new MoveToPointAction(_unit, node, twoWayCollisions: true));
}
return(actions);
// Vector2Int magnitudes = new Vector2Int(Mathf.Abs(direction.x), Mathf.Abs(direction.y));
// Vector2Int signs = new Vector2Int(Math.Sign(direction.x), Math.Sign(direction.y));
//
// var pos = _occupant.CurrentNodeIdx;
//
// var step = Vector2Int.one;
//
// // step along push path one by one (including diagonals as 1)
// // until we either collide with something or reach our final destination
// while (magnitudes != Vector2Int.zero)
// {
// if (magnitudes.x < 1)
// {
// step.x = 0;
// }
//
// if (magnitudes.y < 1)
// {
// step.y = 0;
// }
//
// magnitudes.x = Mathf.Max(0, magnitudes.x - 1);
// magnitudes.y = Mathf.Max(0, magnitudes.y - 1);
//
// var next = pos + signs * step;
//
//
// var n = new Grid.Grid.Node();
// if (_occupant.Get().Value.TryGetNodeAt(next.x, next.y, ref n))
// {
// var collider = n.Occupants.FirstOrDefault(ItObstructsMe);
// if (collider != null)
// {
// ResolveCollision(actions, collider, n);
//
// break;
// }
// }
//
// pos = next;
// }
//
//
// var node = new Grid.Grid.Node();
// if (_occupant.Get().Value.TryGetNodeAt(pos.x, pos.y, ref node))
// {
// // todo(chris) this doesnt really work with anything that isnt just in 1 direction
// actions.Add(new MoveToPointAction(_unit, node));
// }
//
// return actions;
}
private void ResolveCollision(List <IUnitAction> actions, GridOccupant collider, Grid.Grid.Node n)
{
// if i have on collision effects then run them
actions.AddNullableRange(_collisionBehaviour?.CollideWith(collider, n));
// if the thing i bumped has collision effects then run them
var collision = collider.OccupantGameObject.GetComponent <OnCollisionBehaviour>();
if (collision != null)
{
var myNode = _occupant.CurrentNode;
if (myNode != null)
{
actions.AddNullableRange(collision.CollideWith(_occupant.Occupant, myNode.Value));
}
}
}