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using UnityEngine;
public class BuildingManager : MonoBehaviour
{
public static BuildingManager instance;
[SerializeField]
private GameObject buildingGhost;
private GameObject currentGhost;
[SerializeField]
private GameObject placementFXObject;
[SerializeField]
public GameObject levelUpFX;
[SerializeField]
private LayerMask buildableMask;
private bool buildSpotAvailable;
private GameObject thingToBuild;
private int buildingCost;
private int priceIncrease;
private TowerType tType;
public bool buildMode { get; private set; }
private void Awake()
{
instance = this;
}
private void Start()
{
buildMode = false;
}
private void FixedUpdate()
{
if (buildMode)
{
buildSpotAvailable = SamplePoint();
}
}
private void Update()
{
if (!buildMode)
{
return;
}
if (Input.GetMouseButtonDown(0) && BuildingCheck())
{
ResourceManager.instance.Spend(buildingCost);
DamageTracker.instance.AddCost(tType, buildingCost);
Build();
if (!Input.GetKey(KeyCode.LeftShift))
{
ExitBuildMode();
}
else
{
buildingCost += priceIncrease;
}
}
if (Input.GetMouseButtonDown(1) || Input.GetKeyDown(KeyCode.Escape))
{
ExitBuildMode();
}
}
public void EnterBuildMode(GameObject objectToBuild, int cost, int _priceIncrease, TowerType type)
{
buildMode = true;
thingToBuild = objectToBuild;
buildingCost = cost;
priceIncrease = _priceIncrease;
tType = type;
}
private void ExitBuildMode()
{
HideGhost();
buildMode = false;
}
private void Build()
{
GameObject gameObject = Object.Instantiate(thingToBuild, currentGhost.transform.position, Quaternion.identity);
gameObject.GetComponent<IBuildable>()?.SetStats();
Object.Instantiate(placementFXObject, gameObject.transform.position + Vector3.up * 0.333f, Quaternion.identity);
buildSpotAvailable = SamplePoint();
}
private bool BuildingCheck()
{
if (!PauseMenu.instance.paused && buildSpotAvailable && ResourceManager.instance.CheckMoney(buildingCost))
{
return true;
}
if (!ResourceManager.instance.CheckMoney(buildingCost) && !PauseMenu.instance.paused && buildSpotAvailable)
{
DamageNumber component = ObjectPool.instance.SpawnObject(ObjectPool.ObjectType.DamageNumber, currentGhost.transform.position + Vector3.up, Quaternion.identity).GetComponent<DamageNumber>();
component.SetText("Not enough gold", "Grey", 1f);
component.SetHoldTime(0.25f);
}
return false;
}
private bool SamplePoint()
{
if (Physics.Raycast(Camera.main.ScreenPointToRay(Input.mousePosition), out var hitInfo, 2000f, buildableMask, QueryTriggerInteraction.Ignore))
{
if (hitInfo.collider.gameObject.layer != LayerMask.NameToLayer("Grass"))
{
HideGhost();
return false;
}
Vector3 vector = new Vector3(Mathf.Round(hitInfo.point.x), Mathf.Round(3f * hitInfo.point.y) / 3f, Mathf.Round(hitInfo.point.z));
if (Vector3.SqrMagnitude(hitInfo.point - vector) < 0.25f)
{
string text = "";
if (vector.y > 0.34f)
{
text = "+" + (Mathf.RoundToInt(vector.y * 3f) - 1);
}
DisplayGhost(vector, text);
return true;
}
HideGhost();
return false;
}
HideGhost();
return false;
}
private void DisplayGhost(Vector3 pos, string text)
{
if (currentGhost == null)
{
currentGhost = Object.Instantiate(buildingGhost, pos, Quaternion.identity);
}
else
{
currentGhost.SetActive(value: true);
currentGhost.transform.position = pos;
}
currentGhost.GetComponent<BuildingGhost>().SetText(text);
}
private void HideGhost()
{
if (currentGhost != null)
{
currentGhost.SetActive(value: false);
}
}
}
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