private void Update()
{
// Left mouse button pressed
if (Input.GetMouseButtonDown(0))
{
mouseStartPosition = Utilities.GetMouseWorldPosition();
selectionArea.gameObject.SetActive(true);
// Clears list of selected units
foreach (Entity entity in selectedEntities)
{
entity.SelectEntity(false);
}
selectedEntities.Clear();
// Clears selected phalanx
if (selectedPhalanx != null)
{
selectedPhalanx.SetSelectedStatus(false);
}
selectedPhalanx = null;
}
// While left mouse button pressed
if (Input.GetMouseButton(0))
{
Vector3 currentMousePosition = Utilities.GetMouseWorldPosition();
Vector3 lowerLeft = new Vector3(
Mathf.Min(mouseStartPosition.x, currentMousePosition.x),
Mathf.Min(mouseStartPosition.y, currentMousePosition.y)
);
Vector3 upperRight = new Vector3(
Mathf.Max(mouseStartPosition.x, currentMousePosition.x),
Mathf.Max(mouseStartPosition.y, currentMousePosition.y)
);
selectionArea.position = lowerLeft;
selectionArea.localScale = upperRight - lowerLeft;
}
// Left mouse button released
if (Input.GetMouseButtonUp(0))
{
// Turns off selected area indicator
selectionArea.gameObject.SetActive(false);
// Gathers all colliders in selected area and adds all entities to selected entities
Collider2D[] colliders = Physics2D.OverlapAreaAll(mouseStartPosition, Utilities.GetMouseWorldPosition());
// TODO: Implement max entity selected limit
foreach (Collider2D c in colliders)
{
Entity e = c.GetComponent <Entity>();
if (e && e.faction == playerFaction && e.ActivePhalanx == null)
{
selectedEntities.Add(e);
e.SelectEntity(true);
}
}
}
// Right mouse button pressed
if (Input.GetMouseButtonDown(1))
{
Vector3 targetPosition = Utilities.GetMouseWorldPosition();
List <Vector3> formation;
// If phalanx is selected
if (selectedPhalanx != null)
{
// formation = fGen.GetPhalanxFormation(targetPosition, formationDirection, selectedPhalanx.links.Count);
// for (int i = 0; i < selectedPhalanx.links.Count; i++)
// {
// selectedPhalanx.links[i].GetComponent<IMovePosition>().SetMovePosition(formation[i]);
// selectedPhalanx.links[i].phalanxDirection = formationDirection;
// }
selectedPhalanx.EstablishFormationAt(targetPosition, formationDirection);
}
// No phalanx selected
else
{
formation = fGen.GetCircleFormation(targetPosition);
int targetPositionsIndex = 0;
foreach (Entity entity in selectedEntities)
{
entity.MoveTo(formation[targetPositionsIndex]);
targetPositionsIndex = (targetPositionsIndex + 1) % formation.Count;
}
}
}
// Clears old formation indication
HideFormationIndication();
// Draws new formation indication if there is entities selected
if (selectedEntities.Count > 0 || selectedPhalanx != null)
{
DrawFormationIndication();
}
// Rotating formation
if (Input.GetKeyDown(KeyCode.R))
{
int nextVal = (int)formationDirection + 1;
formationDirection = (Direction)(nextVal % Enum.GetNames(typeof(Direction)).Length);
}
// Grouping entities
if (Input.GetKeyDown(KeyCode.G))
{
if (selectedPhalanx != null)
{
selectedPhalanx.Disband();
phalanxes.Remove(selectedPhalanx);
selectedPhalanx = null;
}
else if (selectedEntities.Count > 0)
{
// Create new phalanx
// Add selected entities as phalanx links
Phalanx newPhalanx = new Phalanx(settings);
foreach (Entity entity in selectedEntities)
{
entity.SelectEntity(false);
newPhalanx.AddEntity(entity);
entity.ActivePhalanx = newPhalanx;
}
selectedEntities.Clear();
selectedPhalanx = newPhalanx;
selectedPhalanx.SetSelectedStatus(true);
phalanxes.Add(newPhalanx);
}
}
// Cycles selected phalanx
if (Input.GetKeyDown(KeyCode.Tab))
{
if (selectedPhalanx == null)
{
if (phalanxes.Count > 0)
{
selectedPhalanx = phalanxes[lastSelectedPhalanxIndex % phalanxes.Count];
selectedPhalanx.SetSelectedStatus(true);
}
}
else
{
selectedPhalanx.SetSelectedStatus(false);
lastSelectedPhalanxIndex = (phalanxes.FindIndex(item => item == selectedPhalanx) + 1) % phalanxes.Count;
selectedPhalanx = phalanxes[lastSelectedPhalanxIndex];
selectedPhalanx.SetSelectedStatus(true);
}
}
}
