//给塔用的
public virtual void UpdateTargetPos(IPlacementArea targetArea = null, IntVector2 destination = default(IntVector2))
{
if (placementArea != null)
{
placementArea.Clear(gridPosition, dimensions);
}
placementArea = targetArea;
gridPosition = destination;
if (targetArea != null)
{
transform.position = placementArea.GridToWorld(destination, dimensions);
transform.rotation = placementArea.transform.rotation;
targetArea.Occupy(destination, dimensions);
targetArea.SetController(transform);
}
}
/// <summary>
/// Provide the tower with data to initialize with
/// </summary>
/// <param name="targetArea">The placement area configuration</param>
/// <param name="destination">The destination position</param>
public virtual void Initialize(IPlacementArea targetArea, IntVector2 destination)
{
placementArea = targetArea;
gridPosition = destination;
if (targetArea != null)
{
transform.position = placementArea.GridToWorld(destination, dimensions);
transform.rotation = placementArea.transform.rotation;
targetArea.Occupy(destination, dimensions);
}
SetLevel(0);
if (LevelManager.instanceExists)
{
LevelManager.instance.levelStateChanged += OnLevelStateChanged;
}
}
public void ImplementMitigation(IPlacementArea area, IntVector2 gridPosition, IntVector2 sizeOffset)
{
if (currentCourseOfAction != null)
{
// Withdraw cost
PlayerStats.I.Worth -= currentCourseOfAction.GetValue();
// Occupy area in grid
area.Occupy(gridPosition, sizeOffset, PlacementTileState.Filled);
// Initialize the mitigation
var mitigation = UnityHelper
.Instantiate(CourseOfActionPrefab, area.GridToWorld(gridPosition, sizeOffset))
.GetComponent <MitigationBehaviour>();
mitigation.Initialize(area, gridPosition, sizeOffset, currentCourseOfAction);
ExitBuildMode();
}
}
public bool TryBuildTower()
{
if (currentArea == null)
{
Log.Error("Current area is null");
return(false);
}
Vector3 position = Vector3.zero;
Quaternion rotation = currentArea.transform.rotation;
TowerFitStatus fits = currentArea.Fits(m_GridPosition, entityDataTowerPreview.TowerData.Dimensions);
if (fits == TowerFitStatus.Fits)
{
position = currentArea.GridToWorld(m_GridPosition, entityDataTowerPreview.TowerData.Dimensions);
currentArea.Occupy(m_GridPosition, entityDataTowerPreview.TowerData.Dimensions);
GameEntry.Event.Fire(this, BuildTowerEventArgs.Create(entityDataTowerPreview.TowerData, currentArea, m_GridPosition, position, rotation));
return(true);
}
return(false);
}
private void Update()
{
// Check collisions with placement areas
var mouseRay = HelperObjects.CameraComponent.ScreenPointToRay(Input.mousePosition);
RaycastHit areaHit;
Physics.Raycast(mouseRay, out areaHit);
// Clear all potential tiles when leaving area
if (targetArea == null && !firstPlacement)
{
clearAllOldTiles();
}
if (areaHit.collider != null)
{
targetArea = areaHit.collider.GetComponent <IPlacementArea>();
if (targetArea != null)
{
// If first placement, instantly move and enable
if (firstPlacement)
{
firstPlacement = false;
transform.position = areaHit.point;
transform.localScale = Vector3.one;
return;
}
var snappedPosition = targetArea.Snap(areaHit.point, SizeOffset);
var snappedGridPosition = targetArea.WorldToGrid(areaHit.point, SizeOffset);
// Check if the ghost fits and isn't too close to the path
var fits = targetArea.Fits(snappedGridPosition, SizeOffset) == TowerFitStatus.Fits;
Collider[] collisions = Physics.OverlapSphere(areaHit.point, PathCollisionRadius);
var collidesWithPath = collisions.Any((c) => c.gameObject.layer == Constants.PATH_LAYER);
if (fits && !collidesWithPath)
{
transform.localScale = Vector3.one;
// Set new position and update placement tile state
if (snappedPosition != targetPosition)
{
clearOldTiles();
targetArea.Occupy(snappedGridPosition, SizeOffset, PlacementTileState.Potential);
targetPosition = snappedPosition;
}
}
}
}
// Move ghost
if (Vector3.SqrMagnitude(transform.position - targetPosition) > 0.01f)
{
transform.position = Vector3.SmoothDamp(transform.position, targetPosition, ref velocity, Dampening);
}
else
{
velocity = Vector3.zero;
}
// Build when clicked
if (Input.GetMouseButtonDown(0))
{
if (targetArea != null && !GameManager.IsUiBlocking)
{
BuildManager.I.ImplementMitigation(
targetArea,
targetArea.WorldToGrid(targetPosition, SizeOffset),
SizeOffset);
DestroyGhost();
}
}
else if (Input.GetMouseButtonDown(1) || Input.GetKeyDown(KeyCode.Escape))
{
clearAllOldTiles();
enabled = false;
DestroyGhost();
}
}