110 lines
2.8 KiB
C#
110 lines
2.8 KiB
C#
using UnityEngine;
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using UnityEngine.InputSystem;
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using UnityEngine.SceneManagement;
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//Could be a singleton
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public class GameFlowManager : MonoBehaviour {
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/// <summary>
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/// True if time is frozen (Start, Pause Menu, Dead)
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/// </summary>
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/// <remarks>Could be renamed appropriately</remarks>
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[field: SerializeField]
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public bool Paused { get; private set; } = true;
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public BaseState CurrentState { get; private set; } = null!;
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bool lastStartButton;
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bool lastAcceptButton;
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#region Unity Messages
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void Awake() => CurrentState = new StartFlowState(this);
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void Start() => CurrentState.EnterState();
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#endregion
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void SetPause(bool value) {
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Debug.Log($"Setting pause to {value}");
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Paused = value;
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Time.timeScale = value ? 0f : 1f;
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}
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public void GameOver() => SwitchState(new DeadFlowState(this));
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#region Inputs
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public void OnStart(InputAction.CallbackContext ctx) {
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if (!ctx.WasPressedThisFrame(ref lastStartButton))
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return;
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if (CurrentState is StartFlowState)
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SwitchState(new GameplayFlowState(this));
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}
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public void OnAccept(InputAction.CallbackContext ctx) {
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if (!ctx.WasPressedThisFrame(ref lastAcceptButton))
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return;
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if (CurrentState is DeadFlowState deadState)
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deadState.ReloadGame();
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}
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#endregion
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#region States
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void SwitchState(BaseState newState) {
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CurrentState.LeaveState();
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CurrentState = newState;
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newState.EnterState();
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}
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abstract class GameFlowState : BaseState {
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readonly protected GameFlowManager gameFlowManager;
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protected GameFlowState(GameFlowManager gameFlowManager) {
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this.gameFlowManager = gameFlowManager;
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}
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}
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class StartFlowState : GameFlowState {
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public StartFlowState(GameFlowManager gameFlowManager) : base(gameFlowManager) {}
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public override void EnterState() {
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base.EnterState();
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Debug.Log("Press Start to start...!");
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gameFlowManager.SetPause(true);
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}
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public override void LeaveState() {
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Debug.Log("Let the games begin!!");
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}
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}
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class GameplayFlowState : GameFlowState {
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public GameplayFlowState(GameFlowManager gameFlowManager) : base(gameFlowManager) {}
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public override void EnterState() {
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base.EnterState();
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gameFlowManager.SetPause(false);
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}
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}
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class PauseMenuFlowState : GameFlowState {
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public PauseMenuFlowState(GameFlowManager gameFlowManager) : base(gameFlowManager) {}
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public override void EnterState() {
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base.EnterState();
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gameFlowManager.SetPause(true);
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}
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}
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class DeadFlowState : GameFlowState {
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public DeadFlowState(GameFlowManager gameFlowManager) : base(gameFlowManager) {}
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public override void EnterState() {
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base.EnterState();
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Debug.Log("You died!\nPress Accept to restart!");
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gameFlowManager.SetPause(true);
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}
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public void ReloadGame() {
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Debug.Log("Reloading scene...");
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SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex);
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}
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}
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#endregion
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} |