Im new in developing so need some help for my game!
On my game I have 2 buttons one is "Play" and other "Level Select"
I stuck at the "Play" button, need to make a script that is always loading the highest level that is unlocked, not current but highest.
Here is the code that im using for level manager
public List<Button> levelButton;
public Sprite lockimage;
public bool delete;
private void Start()
{
int saveIndex = PlayerPrefs.GetInt("SaveIndex");
for (int i = 0; i < levelButton.Count; i++)
{
if (i <= saveIndex)
{
levelButton[i].interactable = true;
}
else
{
levelButton[i].interactable = false;
levelButton[i].GetComponent<Image>().sprite = lockimage;
}
}
}
public void LevelSelect()
{
int level = int.Parse(EventSystem.current.currentSelectedGameObject.name);
SceneManager.LoadScene(level);
}
public void PlayGame()
{
//code here
}
public void ResetGame()
{
PlayerPrefs.SetInt("SaveIndex", 0);
SceneManager.LoadScene(0);
}
public void DontResetGame()
{
SceneManager.LoadScene(0);
}
}
SceneManager.LoadScene(PlayerPrefs.GetInt("SaveIndex"));
edit: adding some info/context.
I realized that you set level buttons interactivity on the start functions based on the int save_index value you get from PlayerPrefs.
From there, I assumed that you could load the level directly using that same value on the PlayGame function.
Do note that the code I wrote will throw an error, if the "SaveIndex" key is not yet on PlayerPrefs
Related
So I have been debugging for hours at this point to no avail. I call my function in another class and it keeps returning 0 I have tried logging everything to see if there is an error with it, and I can't find one. The target device prints out as UnityEngine.XR.InputDevice and nothing errors or warns. please if anyone has any insight. here's how I call it
Debug.Log(RightHand.AButtonDown());
and here is my code for the functions
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.XR;
public static class RightHand
{
private static InputDevice targetDevice;
static RightHand()
{
TryInitialize();
}
private static void TryInitialize()
{
Debug.Log("ran inital");
List<InputDevice> devices = new List<InputDevice>();
InputDeviceCharacteristics rightControllerCharacteristics = InputDeviceCharacteristics.Right | InputDeviceCharacteristics.Controller;
InputDevices.GetDevicesWithCharacteristics(rightControllerCharacteristics, devices);
foreach (var item in devices)
{
Debug.Log("ran log");
Debug.Log(item.name + item.characteristics);
}
Debug.Log("right controler characteristics" + rightControllerCharacteristics);
if (devices.Count > 0)
{
targetDevice = devices[0];
}
Debug.Log(targetDevice);
}
public static bool AButtonDown()
{
targetDevice.TryGetFeatureValue(CommonUsages.primaryButton, out bool primaryButtonOut);
if (primaryButtonOut)
{
return true;
}
else
{
return false;
}
}
}
My best guess is the list of devices needs to be updated each time a device value is accessed. The method I use uses Unity's XR Toolkit and had the same problem as yours until I moved InputDevice assignment into Update.
using UnityEngine.XR;
public class InputDeviceSample : MonoBehaviour
{
InputDevice left;
InputDevice right;
void Start()
{
}
void Update()
{
// needs to be in Update
right = InputDevices.GetDeviceAtXRNode(XRNode.RightHand);
// left = InputDevices.GetDeviceAtXRNode(XRNode.LeftHand);
// more https://docs.unity3d.com/ScriptReference/XR.XRNode.html
// assigns button value to out variable, if expecting Vector3 replace bool
right.TryGetFeatureValue(CommonUsages.triggerButton, out bool isPressed);
Debug.Log(isPressed);
}
}
CommonUsages is the list of input actions you can read in, here's a list with brief descriptions:
https://docs.unity3d.com/ScriptReference/XR.CommonUsages.html
I am new to learning C# so I'm trying to figure out little bits at a time. Today's task is to have my cursor appear and disappear as I open a panel. I know that unity is weird and you have to build your project to see the cursor changes. However, on said build, when I press escape my panel appears but my cursor doesn't. If I close and reopen the panel the cursor will show up and then everything works as it should.
Something in my code that is causing this or is it just a unity bug?
Also, since I am new to this, any advice is appreciated. Thank you for your time!
public class MenuManager : MonoBehaviour
{
public GameObject pauseMenu;
public bool gamePause = false;
bool cursorHide = true;
// Start is called before the first frame update
void Start()
{
UpdateCursor();
}
// Update is called once per frame
void Update()
{
if (Input.GetKeyDown(KeyCode.Escape))
{
cursorHide = !cursorHide;
UpdateCursor();
PauseMenuOpen();
}
}
private void PauseMenuOpen()
{
if (!gamePause)
{
pauseMenu.SetActive(true);
gamePause = true;
}
else
{
pauseMenu.SetActive(false);
gamePause = false;
}
}
private void UpdateCursor()
{
Cursor.visible = !cursorHide;
}
public void QuitGame()
{
Application.Quit();
}
}
Use this code. it'll work
private bool isCursorHide;
private void Update(){
if (Input.GetKeyDown(KeyCode.Escape))
CursorToggler();
}
private void CursorToggler(){
if(isCursorHide){
isCursorHide =!isCursorHide;
Cursor.visible = isCursorHide;
}
else{
isCursorHide =!isCursorHide;
Cursor.visible = isCursorHide;
}
}
This question already has answers here:
How to pass data (and references) between scenes in Unity
(6 answers)
Closed 2 years ago.
I have a name input script in the first scene, the plan is I want to call this input in the second scene, when I enter the name in the first scene, then the name will appear in the second scene too, how do you do that?
public class NamaUser : MonoBehaviour {
public InputField nama;
public Text teks;
public void NamaTeks () {
if (nama.text == "") {
teks.text = "Harap Isi Nama";
} else {
teks.text = "Namaku " + nama.text;
}
}
}
You can save the input's value PlayerPrefs.
Set the PlayerPrefs:
//Name of Pref in first parameter
//Value in second parameter
PlayerPrefs.SetString("value", teks.value);
Get the PlayerPref in second scene:
//Name of Pref in first parameter
//Returns value of PlayerPrefs
String a = PlayerPrefs.SetString("value");
Cons:
You can pass data not only between scenes but also between instances (game sessions).
Easy to manage since Unity handles all background process.
Can be used to store data to track highscores.
Pros:
Uses file system.
Data can easily be changed from prefs file.
Or, another way -- use Singelton and DontDestroyOnLoad()
Allows easy access to fields and saves an object between scenes.
For example use this template, to create your class.
using UnityEngine;
public class Singelton<T> : MonoBehaviour where T : Singelton<T>
{
private static T instance = null;
private bool alive = true;
public static T Instance
{
get
{
if (instance != null)
{
return instance;
}
else
{
//Find T
T[] managers = GameObject.FindObjectsOfType<T>();
if (managers != null)
{
if (managers.Length == 1)
{
instance = managers[0];
DontDestroyOnLoad(instance);
return instance;
}
else
{
if (managers.Length > 1)
{
Debug.LogError($"Have more that one {typeof(T).Name} in scene. " +
"But this is Singelton! Check project.");
for (int i = 0; i < managers.Length; ++i)
{
T manager = managers[i];
Destroy(manager.gameObject);
}
}
}
}
//create
GameObject go = new GameObject(typeof(T).Name, typeof(T));
instance = go.GetComponent<T>();
DontDestroyOnLoad(instance.gameObject);
return instance;
}
}
//Can be initialized externally
set
{
instance = value as T;
}
}
/// <summary>
/// Check flag if need work from OnDestroy or OnApplicationExit
/// </summary>
public static bool IsAlive
{
get
{
if (instance == null)
return false;
return instance.alive;
}
}
protected virtual void Awake()
{
if (instance == null)
{
DontDestroyOnLoad(gameObject);
instance = this as T;
}
else
{
Debug.LogError($"Have more that one {typeof(T).Name} in scene. " +
"But this is Singelton! Check project.");
Destroy(gameObject);
}
}
protected virtual void OnDestroy() { alive = false; }
protected virtual void OnApplicationQuit() { alive = false; }
}
Example of using:
class MyClass Settings : Singelton<Settings>
{
string param;
}
I have two buttons set up in an interactive fiction game, each press calls a new line of text. The problem is, every time I press on the button, I get two logged debug messages informing me of the click and my game moves two sections of text.
I've tried many different things to try to work around this including trying to alter the submit input in project settings and many different code forms. Any help would be greatly appreciated.
Here's my current code:
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class AdventureGame : MonoBehaviour
{
[SerializeField]
private Text _textComponent;
[SerializeField]
private State _startingState;
private State state;
[SerializeField]
private Button _input0Button;
[SerializeField]
private Button _input1Button;
[SerializeField]
private Text _choices1;
[SerializeField]
private Text _choices2;
private bool _buttonOnePressed;
private bool _buttonTwoPressed;
void Start()
{
state = _startingState;
_textComponent.text = state.GetStateStory();
_input0Button.onClick.AddListener(Input0Button);
_input1Button.onClick.AddListener(Input1Button);
_buttonOnePressed = false;
_buttonTwoPressed = false;
}
void Update()
{
ManageState();
}
private void ManageState()
{
if (state._choice == true)
{
_choices1.text = state.GetChoiceOne();
_choices2.text = state.GetChoiceTwo();
_textComponent.text = state.GetStateStory();
_input0Button.gameObject.SetActive(true);
_input1Button.gameObject.SetActive(true);
if(_buttonOnePressed == true)
{
StartCoroutine(WaitForItOne());
}
else if(_buttonTwoPressed == true)
{
StartCoroutine(WaitForItTwo());
}
}
else if (state._choice == false)
{
_choices1.text = state.GetChoiceOne();
_choices2.text = state.GetChoiceTwo();
_textComponent.text = state.GetStateStory();
_input0Button.gameObject.SetActive(true);
_input1Button.gameObject.SetActive(false);
if(_buttonOnePressed == true)
{
StartCoroutine(WaitForItOne());
}
}
}
private void ManageChoiceOne()
{
_buttonOnePressed = false;
State[] _newState = state.GetNextStatesArray();
state = _newState[0];
}
private void ManageChoiceTwo()
{
_buttonTwoPressed = false;
State[] _newState = state.GetNextStatesArray();
state = _newState[1];
}
public void Input0Button()
{
Debug.Log("Input 0 pressed");
_buttonOnePressed = true;
}
public void Input1Button()
{
Debug.Log("Input 1 pressed");
_buttonTwoPressed = true;
}
IEnumerator WaitForItOne()
{
yield return new WaitForSeconds(3.0f);
ManageChoiceOne();
}
IEnumerator WaitForItTwo()
{
yield return new WaitForSeconds(3.0f);
ManageChoiceTwo();
}
}
First of all you keep starting new Coroutines each frame as long as e.g. _buttonOnePressed == true .. you wait 3 seconds before you finally unset this flag!
Then for the double call make sure the callbacks are not configured also in the Inspector! It seems like you have them once in the Inspector and additionally add them in your Start method so they are called twice!
Note that you won't see the callbacks added on runtime in the Inspector!
Why are you even using Update here at all? It is quite redundant to poll the state and the bool values and constantly check and handle their states in each frame. I would rather simply start the routine in the button method itself and make the whole code event driven instead!
(optionally) To give the user better feedback I would additionally in the meantime during the 3 seconds make the buttons non-interactable .. keep them active but not clickable:
// Remove state;
// Remove _buttonOnePressed
// Remove _buttonTwoPressed
private void Start()
{
// Either remove this two lines or the callbacks set in the Inspector
_input0Button.onClick.AddListener(Input0Button);
_input1Button.onClick.AddListener(Input1Button);
ManageState(_startingState);
}
// Remove Update
// This will be called only when actually needed
// since the state is passed in as parameter you don't need the private field
private void ManageState(State state)
{
// These happen in both cases anyway
_choices1.text = state.GetChoiceOne();
_choices2.text = state.GetChoiceTwo();
_textComponent.text = state.GetStateStory();
_input0Button.gameObject.SetActive(true);
// Here directly use the state flag
// since the button is disabled when needed
// there is no need for having different "states"
// since anyway only the according button(s) is(are) available
_input1Button.gameObject.SetActive(state._choice);
}
// (optional) Flag for avoiding concurrent routines
// Should be impossible since buttons get disabled but you never know
private bool alreadyHandlingButton;
private IEnumerator ManageChoice(bool isButtonOne)
{
// (optional) Skip if another routine running
if(alreadyHandlingButton) yield break;
// (optional) Block other routines just in cade
alreadyHandlingButton = true;
// Disable interactions
_input0Button.interactable = false;
_input1Button.interactable = false;
// This is the same for both buttons
yield return new WaitForSeconds(3f);
State[] _newState = state.GetNextStatesArray();
var state = _newState[isButtonOne ? 0 : 1];
// Only call ManageState when the state is actually changing
ManageState(state);
// (optional) Allow a new routine
alreadyHandlingButton = false;
// Enable interactions
_input0Button.interactable = true;
_input1Button.interactable = true;
}
public void Input0Button()
{
// (optional) Ignore if other button is already handled
if(alreadyHandlingButton) return;
Debug.Log("Input 0 pressed");
StartCoroutine(ManageChoice(true));
}
public void Input1Button()
{
// (optional) Ignore if other button is already handled
if(alreadyHandlingButton) return;
Debug.Log("Input 1 pressed");
StartCoroutine(ManageChoice(false));
}
I have recently been creating a game with tutorials. Unfortunately, they didn't cover a save score feature. Thanks to another user, I was able to figure out that I needed to use playerprefs. I watched tutorials online, but none of them were helpful. If you can, please help me!
Gold Per Sec Script:
using UnityEngine;
using System.Collections;
public class GoldPerSec : MonoBehaviour {
public UnityEngine.UI.Text gpsDisplay;
public Click click;
public ItemManager[] items;
void Start () {
StartCoroutine(AutoTick ());
}
void Update () {
gpsDisplay.text = GetGoldPerSec() + " Money Per Sec";
}
public float GetGoldPerSec() {
float tick = 0;
foreach (ItemManager item in items) {
tick += item.count * item.tickValue;
}
return tick;
}
public void AutoGoldPerSec() {
click.gold += GetGoldPerSec() / 10;
}
IEnumerator AutoTick() {
while (true) {
AutoGoldPerSec();
yield return new WaitForSeconds(0.10f);
}
}
}
Gold Per Click script:
using UnityEngine;
using System.Collections;
public class Click : MonoBehaviour {
public UnityEngine.UI.Text gpc;
public UnityEngine.UI.Text goldDisplay;
public float gold = 0.00f;
public int goldperclick = 1;
void Update () {
goldDisplay.text = "" + gold.ToString("F0");
gpc.text = "Money Per Click: " + goldperclick;
}
public void Clicked(){
gold += goldperclick;
}
}
My idea was for the game to save when the game is quit, and load as soon as you load the game back up. I am a complete beginner, if anyone can tell me how to do this, please tell me! Thanks! :D
You can use unity's existing functions to achieve this.
For saving data use unity's OnApplicationQuit function like this
void OnApplicationQuit() {
PlayerPrefs.SetFloat("key", value);
}
And for Restoring the values use unity's Awake function like this
void Awake(){
value = PlayerPrefs.GetFloat("key");
}
Please note that PlayerPrefs is an easy way to save data but also an very unsafe way. The player can easily manipulate his "goldValue" since it's just stored as an integer in some file on his device. PlayerPrefs should usually just be used for values the player can changed any way within in game, like volume setting etc.
EXAMPLE CODE
void Save()
{
string filename = "/filename.dat";
BinaryFormatter bf = new BinaryFormatter();
FileStream file = File.Create(Application.persistentDataPath+filename);
bf.Serialize(file, goldValue); //Use can easily use e.g. a List if you want to store more date
file.Close();
}
bool Load()
{
string filename = "/filename.dat";
if (File.Exists(Application.persistentDataPath + filename))
{
BinaryFormatter bf = new BinaryFormatter();
FileStream file = File.Open(Application.persistentDataPath + filename, FileMode.Open);
goldValue=(int) bf.Deserialize(file);
file.Close();
return true;
}
return false;
}
Add the following code to Click class:
void Awake()
{
LoadData();
}
void OnApplicationQuit()
{
SaveData();
}
void SaveData()
{
PlayerPrefs.SetFloat("gold",gold);
}
void LoadData()
{
gold = PlayerPrefs.GetFloat("gold",0f);
}