// Checks if there are any hostiles within a 25f sphere radius. Then gets the closest one within line of sight.
// Line of sight here means not obstructed by buildings/terrain/other units/ etc
// Returns null if no such hostile is found.
// This is currently being called in several Update methods, need an optimization to drastically reduce calls
// Do not make this a command, there will be too much traffic and its needless
public GameObject AcquireTarget()
{
Collider[] colls = Physics.OverlapSphere(transform.position, 55f);
GameObject targetLocal = null;
float distanceLocal = float.MaxValue;
foreach (Collider coll in colls)
{
if (coll.transform.gameObject.tag == attackTag)
{
TroopClass enemyTC = coll.transform.gameObject.GetComponent <TroopClass>();
if (enemyTC != null)
{
enemyTC.visible = true;
}
float newDistance = Vector3.Distance(coll.transform.position, this.gameObject.transform.position);
if (targetLocal == null || newDistance < distanceLocal)
{
if (coll.gameObject == targetLocal)
{
}
targetLocal = coll.gameObject;
distanceLocal = newDistance;
}
}
}
if (targetLocal != null && ProgUtils.InLineOfSight(gameObject, targetLocal) &&
targetLocal.GetComponent <TroopClass>().isHidden == false)
{
return(targetLocal);
}
return(null);
}
void Update()
{
// Can only attack when the timer is greater than attack speed, hence;
// Greater attack speed value actually means more time between attacks
attackTimer += 0.5f * Time.deltaTime;
// If there is no target to attack, then find a target in range
if (target == null)
{
SetTarget(tc.AcquireTarget());
// Else if there is a target, attack if in range or move to it if not in range
}
else
{
if (ProgUtils.InRange(gameObject, target, attackRange))
{
if (ProgUtils.InLineOfSight(gameObject, target))
{
tc.Stop();
Attack();
}
else if (tc.IsStopped())
{
tc.Move(target.transform.position);
}
}
else
{
tc.Move(ProgUtils.GetNearestWithinRange(gameObject, target, attackRange - 2f));
}
}
}
public static bool InCover(GameObject attacker, GameObject target)
{
foreach (GameObject cov in cover)
{
if (ProgUtils.InRange(attacker, target, cov))
{
Vector3 vec1 = attacker.transform.position;
Vector3 vec2 = target.transform.position;
RaycastHit hit;
if (Physics.Raycast(vec1, vec2 - vec1, out hit, Vector3.Distance(vec1, vec2)))
{
if (hit.collider.gameObject.tag == "Cover")
{
float attackDistance = Mathf.Abs(Vector3.Distance(attacker.transform.position, cov.transform.position));
float targetDistance = Mathf.Abs(Vector3.Distance(cov.transform.position, target.transform.position));
if (attackDistance > targetDistance)
{
return(true);
}
}
}
}
}
return(false);
}
//Delegated helper function for SelectTroops
static void SelectTroop(TroopClass troop, Vector3 corner1, Vector3 corner2)
{
if (troop != null && ProgUtils.InSelectWindow(corner1, corner2, troop.transform.position))
{
troop.MarkSelected();
selectedTroops.Push(troop);
}
}
void EndSelect()
{
GameObject target = null;
//Get click point will set target equal to whatever the player clicked on
selectedEndPoint = ProgUtils.GetClickPoint(cam, out target);
if (target != null && target.tag == "Friendly")
{
commandManager.AddTroop(target.GetComponent <TroopClass>());
}
commandManager.SelectTroops();
}
// Like Warcraft/AoE/DotA the camera pans if the mouse moves to an edge
// Not a command because only this client needs to be aware of its camera position
void CameraMovement()
{
float horizontal, vertical;
float screenLow = .05f;
float screenHigh = .95f;
float invertControls = 1f;
if (gameObject.name == "Red_Player")
{
invertControls = -1f;
}
if (ProgUtils.InRange(Screen.width * screenLow, Screen.width * screenHigh, Input.mousePosition.x))
{
horizontal = 0f;
}
else
{
horizontal = mouseSensitivity * ProgUtils.GetSign(Input.mousePosition.x - Screen.width / 2) * invertControls;
}
if (ProgUtils.InRange(Screen.height * screenLow, Screen.height * screenHigh, Input.mousePosition.y))
{
vertical = 0f;
}
else
{
vertical = mouseSensitivity * ProgUtils.GetSign(Input.mousePosition.y - Screen.height / 2) * invertControls;
}
Vector3 camPos = gameObject.transform.position;
if (camPos.x >= xBound)
{
horizontal = Mathf.Clamp(horizontal, -1f, 0f);
}
if (camPos.x <= -15)
{
horizontal = Mathf.Clamp(horizontal, 0f, 1f);
}
if (camPos.z >= yBound)
{
vertical = Mathf.Clamp(vertical, -1f, 0f);
}
if (camPos.z <= -15)
{
vertical = Mathf.Clamp(vertical, 0f, 1f);
}
transform.Translate(horizontal, 0, vertical, Space.World);
}
void EndSelect()
{
selectedEndPoint = ProgUtils.GetClickPoint();
RaycastHit hit;
Vector3 pos = gameObject.transform.position;
if (Physics.Raycast(pos, selectedEndPoint - pos, out hit, Mathf.Infinity))
{
if (hit.collider.gameObject.tag == "Friendly")
{
CommandManagement.AddTroop(hit.collider.gameObject.GetComponent <TroopClass>());
}
}
CommandManagement.SelectTroops();
}
void SetTarget()
{
CommandManagement.target = null;
CommandManagement.pointSelected = ProgUtils.GetClickPoint();
//Get Click Point also sets CommandManagement.target to
//what it clicked on, if it clicked on an enemy
if (CommandManagement.target != null)
{
//if the target is not null, it means GetClickPoint found an enemy so attack it
//the Combat class handles movement towards enemies so it isn't done here
CommandManagement.SetAttackTargets();
}
else
{
//There was no enemy so just move to the pointSelected as usual
CommandManagement.MoveTroops();
}
}
// Like Warcraft/AoE/DotA the camera pans if the mouse moves to an edge
void CameraMovement()
{
float horizontal;
float vertical;
if (ProgUtils.InRange(Screen.width * .05f, Screen.width * .95f, Input.mousePosition.x))
{
horizontal = 0f;
}
else
{
horizontal = mouseSensitivity * ProgUtils.GetSign(Input.mousePosition.x - Screen.width / 2);
}
if (ProgUtils.InRange(Screen.height * .05f, Screen.height * .95f, Input.mousePosition.y))
{
vertical = 0f;
}
else
{
vertical = mouseSensitivity * ProgUtils.GetSign(Input.mousePosition.y - Screen.height / 2);
}
Vector3 camPos = gameObject.transform.position;
if (camPos.x >= xBound)
{
Mathf.Clamp(horizontal, -1f, 0f);
}
if (camPos.x <= 0)
{
Mathf.Clamp(horizontal, 0f, 1f);
}
if (camPos.y >= yBound)
{
Mathf.Clamp(vertical, -1f, 0f);
}
if (camPos.y <= 0)
{
Mathf.Clamp(vertical, 0f, 1f);
}
transform.Translate(horizontal, 0, vertical, Space.World);
}
void SetTarget()
{
GameObject newTarget = null;
//Have to reset commandManager's current target to null so right clicks disengage by default
commandManager.target = null;
//get click point will set newTarget to whatever the player clicked on
commandManager.pointSelected = ProgUtils.GetClickPoint(cam, out newTarget);
if (newTarget != null && newTarget.tag == commandManager.GetEnemySide())
{
//the Combat class handles movement towards enemies so it isn't done here
commandManager.SetManagerTarget(newTarget);
commandManager.SetAttackTargets();
}
else
{
//There was no enemy so just move to the pointSelected as usual
commandManager.MoveTroops();
}
}
public static void SetAttackTargets()
{
ProgUtils.IterateAll(selectedTroops, SetAttackTarget);
attacking = false;
}
void Death()
{
gameObject.GetComponent <TroopClass> ().UnmarkSelected();
ProgUtils.RecursiveDestruction(gameObject);
Destroy(this);
}
public static void ClearSelection()
{
ProgUtils.IterateAll(selectedTroops, UnmarkTroop);
selectedTroops.Clear();
}
public static void MoveTroops()
{
ProgUtils.IterateAll(selectedTroops, MoveTroop);
}
// Selection works by creating two Vector3's on the surface of the map. Any selectable in between
// these Vector3 corners are considered selected and added to the selection stack.
// Also not a command because only determines where this client began selecting
void BeginSelect()
{
selectedStartPoint = ProgUtils.GetClickPoint(cam);
dragOrigin = new Vector2(Input.mousePosition.x, Screen.height - Input.mousePosition.y);
}
public static void SelectTroops()
{
ProgUtils.IterateAll(troops, SelectTroop, Camera.main.gameObject);
}
public void SelectTroops()
{
ProgUtils.IterateAll(troops, SelectTroop, camScript);
}