public static bool FindASpot(Vector3 centerStartPos, float radiusToPlace, float radiusCircleToFitObjectOn,
out Vector3 resultingPos)
{
bool locationFound = false;
resultingPos = centerStartPos; //default
for (int attemptCount = 0; attemptCount < Level.PLACEMENT_ATTEMPTS; attemptCount++)
{
//find a random spot
Vector2 spotOnACircle = Random.insideUnitCircle.normalized;
if (spotOnACircle == Vector2.zero)
{
//edge possibility, probably so rare it "impossible" but saw a hole at dead center once...
spotOnACircle = Vector2.one * radiusToPlace;
}
Vector2 randomSpot = spotOnACircle * (radiusToPlace);
Vector3 prospectiveSpot = new Vector3(randomSpot.x, 0, randomSpot.y) + centerStartPos;
if (Level.GetIfSpotFree(prospectiveSpot, radiusCircleToFitObjectOn, out RaycastHit landHit))
{
if (Level.GetIfSpotOnNavMesh(landHit.point))
{
locationFound = true;
resultingPos = landHit.point;
//Debug.DrawLine(centerStartPos, prospectiveSpot, Color.green, 3.0f);
break;
}
}
//Debug.DrawLine(centerStartPos, prospectiveSpot, Color.red, 1.5f);
}
return(locationFound);
}
void Update() //TODO: move this to user controls somewhere at some point, would really make more sense hah
{
//DEBUG
if (Input.GetKeyDown(KeyCode.Plus) || Input.GetKeyDown(KeyCode.Equals)) //win
{
CurrentLevel.DebugKillOffSpawners(Teams.Baddies);
}
if (Input.GetKeyDown(KeyCode.Minus)) //lose
{
CurrentLevel.DebugKillOffSpawners(Teams.Townsfolk);
}
if (Input.GetKey("escape"))
{
Application.Quit();
}
if (Input.GetKeyDown(KeyCode.V)) //Deselect All Units
{
UnitMgr.GatheredUnits.RemoveAll(item => item == null); //https://stackoverflow.com/questions/3069431/listobject-removeall-how-to-create-an-appropriate-predicate
foreach (var u in UnitMgr.GatheredUnits)
{
//if (u == null) continue;
u.SelectionRing?.gameObject.SetActive(false);
}
UnitMgr.GatheredUnits.Clear();
}
if (Input.GetKeyDown(KeyCode.C)) //Collect All Units
{
foreach (var u in UnitMgr.Units)
{
if (u == null || u.Team != Teams.Townsfolk)
{
continue;
}
u.SelectionRing?.gameObject.SetActive(true);
UnitMgr.GatheredUnits.Add(u);
}
}
if (Input.GetKeyDown(KeyCode.G)) //Gather Units
{
foreach (var u in UnitMgr.Units)
{
if (u == null || u.Team != Teams.Townsfolk)
{
continue;
}
if (!((u.transform.position - PlayerUser.PlayerObject.transform.position).sqrMagnitude <
UnitMgr.UNIT_GATHER_RADIUS_SQUARED))
{
continue;
}
u.SelectionRing?.gameObject.SetActive(true);
UnitMgr.GatheredUnits.Add(u);
}
}
if (Input.GetKeyDown(KeyCode.T)) //gathered villagers attack enemy Hole closest to you the user
{
//Find closest spawner to player
Spawner closestHoleSpawner = null;
float closestBaddySpawnerDistanceSquared = float.MaxValue;
foreach (var s in LevelsMgr.CurrentLevel.Spawners)
{
if (s == null)
{
continue;
}
float testDistance =
Vector3.SqrMagnitude(s.transform.position - PlayerUser.PlayerObject.transform.position);
if (s.Team == Teams.Baddies &&
testDistance < closestBaddySpawnerDistanceSquared)
{
closestBaddySpawnerDistanceSquared = testDistance;
closestHoleSpawner = s;
}
}
UnitMgr.GatheredUnits.RemoveAll(item => item == null); //https://stackoverflow.com/questions/3069431/listobject-removeall-how-to-create-an-appropriate-predicate
foreach (var u in UnitMgr.GatheredUnits)
{
//if (u == null) continue;
if (u.Team == Teams.Townsfolk)
{
u.SelectionRing?.gameObject.SetActive(false);
u.SetAttack(closestHoleSpawner);
}
}
UnitMgr.GatheredUnits.Clear();
if (closestHoleSpawner != null)
{
PlayerUser.VisualUnitsTargetArrow.GetComponent <ObjectColor>()?.SetOriginalColor(Color.red);
PlayerUser.VisualUnitsTargetArrow.SetTarget(PlayerUser.PlayerObject.transform.position,
closestHoleSpawner.transform.position, 3f);
}
}
if (Input.GetKeyDown(KeyCode.P)) //gathered villagers protect the rally point of your position
{
//TODO: make this dependent on mode to select the point (user might be top-down)
UnitMgr.GatheredUnits.RemoveAll(item => item == null); //https://stackoverflow.com/questions/3069431/listobject-removeall-how-to-create-an-appropriate-predicate
foreach (var u in UnitMgr.GatheredUnits)
{
//if (u == null) continue;
if (u.Team == Teams.Townsfolk)
{
u.SelectionRing?.gameObject.SetActive(false);
u.SetRallyPoint(PlayerUser.PlayerObject.transform.position);
}
}
UnitMgr.GatheredUnits.Clear();
}
if (Input.GetKeyDown(KeyCode.M)) //show or hide menu
{
_menuActive = !_menuActive && CurrentLevel != Level.LobbyLevel;
MenuInGameObject?.GetComponent <MenuInGame>().Show(_menuActive);
}
if (Input.GetKeyDown(KeyCode.Y)) //grab a tower for placement mode
{
if (!_towerPlacementMode)
{
_towerToBePlaced = TowerMgr.PickATower(Teams.Townsfolk, TowerTypes.Round);
}
_towerPlacementMode = true;
}
if (Input.GetKeyUp(KeyCode.Y)) //place the tower
{
if (_towerPlacementMode)
{
if (_towerPlacementOk)
{
_towerToBePlaced?.SetDownActivate();
PlayerUser.ResourceUnits -= TowerMgr.TOWER_RESOURCE_COST;
}
else
{
Destroy(_towerToBePlaced.gameObject);
}
_towerToBePlaced = null; //release handle
_towerPlacementMode = false;
PlayerUser.VisualNewTowerDistanceArrow?.ClearTarget();
TowerMgr.ExplanationText.text = "";
}
}
if (_towerPlacementMode)
{
_towerPlacementOk = false;
TowerMgr.ExplanationText.text = "";
//raycast from cursor, get nearest grid spot on Level
if (_cam == null)
{
_cam = FindObjectOfType <Camera>();
}
Ray ray = _cam.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out RaycastHit hit))
{
//check distances
bool closeEnoughToPlayer = (hit.point - _cam.transform.position).magnitude <
TowerMgr.TOWER_PLACEMENT_DISTANCE;
Spawner nearestSpawner = GetClosestMatchingSpawner(hit.point);
if (nearestSpawner != null)
{
float distanceSquaredToNearestMatchingSpawner =
(nearestSpawner.transform.position - hit.point).sqrMagnitude;
bool closeEnoughToAVillage =
distanceSquaredToNearestMatchingSpawner <
(TowerMgr.TOWER_PLACEMENT_DISTANCE + _towerToBePlaced.Radius) *
(TowerMgr.TOWER_PLACEMENT_DISTANCE + _towerToBePlaced.Radius);
bool leavesEnoughGrowthRoomForAVillage =
distanceSquaredToNearestMatchingSpawner >
(Level.SPAWN_LAND_FIT_RADIUS + _towerToBePlaced.Radius) *
(Level.SPAWN_LAND_FIT_RADIUS + _towerToBePlaced.Radius);
bool enoughResources = PlayerUser.ResourceUnits >= TowerMgr.TOWER_RESOURCE_COST;
bool accessibleViaNavMesh = Level.GetIfSpotOnNavMesh(hit.point, 0.25f);
if (closeEnoughToPlayer && closeEnoughToAVillage && leavesEnoughGrowthRoomForAVillage &&
enoughResources && accessibleViaNavMesh)
{
//sphere-cast to ensure clear for placement
if (Level.GetIfSpotFree(hit.point, _towerToBePlaced.Radius, out RaycastHit landHit))
{
//if clear, move to new temporary grid location
_towerToBePlaced.transform.position = landHit.point;
_towerPlacementOk = true;
}
else
{
TowerMgr.ExplanationText.text = "Spot not clear!\n";
}
}
else
{
TowerMgr.ExplanationText.text = (closeEnoughToPlayer ? "" : "Too far from you!\n") +
(closeEnoughToAVillage
? ""
: "Too far from village!\n") +
(leavesEnoughGrowthRoomForAVillage
? ""
: ("Too close to village!\n")) +
(enoughResources
? ""
: "Need " + TowerMgr.TOWER_RESOURCE_COST +
" resources!\n") +
(accessibleViaNavMesh ? "" : "Units can't reach!\n");
}
//show distance reach visual (i.e. arrow)
PlayerUser.VisualNewTowerDistanceArrow?.SetTarget(hit.point, nearestSpawner.transform.position);
PlayerUser.VisualNewTowerDistanceArrow?.GetComponent <ObjectColor>()
?.SetColor(_towerPlacementOk ? Color.white : Color.red);
TowerMgr.ExplanationText.transform.position = hit.point + Vector3.up * 2f;
}
}
//adjust temporary tower visuals
if (_towerToBePlaced != null)
{
_towerToBePlaced?.GetComponent <ObjectColor>()?.SetColor(_towerPlacementOk ? Color.white : Color.red);
_towerToBePlaced.GetComponent <Renderer>().enabled = _towerPlacementOk;
}
}
}