/// <summary>
/// Initiates combat between this squad and the target.
/// </summary>
/// <param name="target">Target.</param>
protected void beginCombatWithTarget(ActorBehavior target)
{
// Capture the combat camera.
CombatSystemBehavior combatSystem = GameObject.Find("Combat Camera").GetComponent <CombatSystemBehavior>();
if (combatSystem == null)
{
Debug.LogError("Unable to find a valid combat system in scene!");
return;
}
// Capture the offensive and defensive combat squads
CombatSquadBehavior offensiveSquad = actor.GetComponent <CombatSquadBehavior>();
if (!offensiveSquad)
{
Debug.LogError("Attempted to enter combat with an invalid offensive squad!");
return;
}
CombatSquadBehavior defensiveSquad = target.GetComponent <CombatSquadBehavior>();
if (!defensiveSquad)
{
Debug.LogError("Attempted to enter combat with an invalid defensive squad!");
return;
}
// Hide the target movement points.
grid.HideMovePoints();
// Begin combat!
combatSystem.BeginCombat(offensiveSquad, defensiveSquad, grid);
}
/// <summary>
/// Waits for the left mouse button to be clicked, then performs a raycast to determine if the player has clicked
/// on a valid movement point.
/// </summary>
/// <remarks>
/// Transitions:
/// Player presses Escape key -> SelectingUnit
/// Player presses Space key -> SelectingTarget
///
/// Path to movement point cannot be found -> SelectingUnit
/// Player selects a valid movement point -> AwaitingMovement
/// </remarks>
private void updateSelectingMovement()
{
// Allow the player to press the Escape key to deselect their current unit.
if (Input.GetKeyDown(KeyCode.Escape))
{
deselectSquad();
controlState = GridControlState.SelectingUnit;
return;
}
// Allow the player to press the Space bar to skip the movement step.
if (Input.GetKeyDown(KeyCode.Space))
{
selectedSquad.actorHasMovedThisTurn = true;
grid.HideMovePoints();
controlState = GridControlState.SelectingTarget;
return;
}
// Wait for the left mouse button to be pressed.
if (Input.GetMouseButtonDown(0))
{
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
// Perform raycasting and store a list of all objects that have been selected.
List <RaycastHit> hits = new List <RaycastHit>();
hits.AddRange(Physics.RaycastAll(ray));
// Iterate over the selection list to determine if the player has clicked on a valid movementpoint.
foreach (RaycastHit hitInfo in hits.OrderBy(l => l.distance))
{
// Retrieve the movepoint behavior from the hit target.
MovePointBehavior movePoint = hitInfo.transform.GetComponent <MovePointBehavior>();
if (movePoint == null || !movePoint.renderer.enabled)
{
continue;
}
// Retrieve the combat squad behavior from the currently-selected squad.
CombatSquadBehavior combatSquad = selectedSquad.GetComponent <CombatSquadBehavior>();
if (combatSquad == null)
{
Debug.LogError("Selected a unit with no combat squad attached!");
}
// Retrieve the maximum movement distance of the selected squad.
int distance = (combatSquad == null ? 0 : combatSquad.Squad.Speed);
// Mark the actor as having moved.
selectedSquad.actorHasMovedThisTurn = true;
// Retrieve a path from the starting point to the selected node.
List <MovePointBehavior> pathList = startingPoint.FindPath(movePoint, distance, grid);
if (pathList != null)
{
selectedSquad.pathList = pathList;
selectedSquad.canMove = true;
// Remove the squad's current movement point from the ignore list.
grid.ignoreList.Remove(startingPoint);
// Add the squad's target movement point to the ignore list.
grid.ignoreList.Add(movePoint);
// Hide visible nodes on the grid.
grid.HideMovePoints();
// Transition into the AwaitingMovement state.
controlState = GridControlState.AwaitingMovement;
}
else
{
Debug.LogError("No path to target!");
// Deselect the current squad, but do not allow it to move again!
deselectSquad();
// Return to the SelectingUnit state.
controlState = GridControlState.SelectingUnit;
}
}
}
}
