CourierOld/Game/CourierOld/Assets/Code/App/AppStates/GameplayState.cs

using System.Collections.Generic;
using Code.App.StateMachine;
using Code.Audio;
using Code.Gameplay.Camera;
using Code.Gameplay.Camera.CameraStates;
using Code.Gameplay.Character.Core;
using Code.Gameplay.Enemies;
using Code.Gameplay.Player;
using Code.Input;
using Code.Scenes;
using Code.Scenes.SceneEnvironments;
using Code.StateMachine;
using Code.UI;
using Cysharp.Threading.Tasks;
using Reflex.Extensions;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.SceneManagement;

namespace Code.App.AppStates
{
    public class GameplayState : BaseState<AppStateMachineContext>
    {
        // DEBUG
        private Transform _testSFXTransform;
        // DEBUG
        
        private PlayerHealth _playerHealth;
        private PlayerMoney _playerMoney;

        private CharacterProvider _playerCharacter;
        private List<BaseEnemy> _enemies;

        public GameplayState(AppStateMachineContext context) : base(context)
        {
        }

        public override void EnterState()
        {
            Context.UIService.LoadingScreen.Show();
            
            _playerMoney = Context.PlayerFactory.CreatePlayerMoney();

            //_playerHealth = Context.PlayerProvider.Health;
            //_playerHealth.OnDeath += EndGame;
            
            Context.AudioService.TransitToSnapshot(AudioSnapshotState.Peaceful);
            
            Context.InputService.EnableMap(ActionMappings.Gameplay);
            
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug1, GiveHealth);
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug3, GiveMoney);
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug2, LooseHealth);
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug4, LooseMoney);
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug5, PlayDebugSFX);
            Context.InputService.DebugBindAction((int)ActionMappings.Debug, (int)DebugActions.Debug6, PlayDebugDispatcher);

#pragma warning disable CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
            WaitForSceneToLoad();
#pragma warning restore CS4014 // Because this call is not awaited, execution of the current method continues before the call is completed
        }

        private async UniTask WaitForPlayerCharacterLoad() => _playerCharacter = await Context.PlayerFactory.CreatePlayer();

        private async UniTask WaitForEnemyLoad(EnemyType type) =>
            _enemies.Add(await Context.EnemyFactory.CreateEnemy(type));

        private async UniTaskVoid WaitForSceneToLoad()
        {
            await UniTask.WhenAll(
                Context.SceneLoaderService.LoadSceneAsyncAwaitable((int)SceneIds.Gameplay),
                Context.UIService.AsyncSwitchPanelTo(UIPanel.Gameplay),
                Context.AudioFactory.WarmGameplayMusic(),
                Context.AudioFactory.WarmSFX(),
                WaitForPlayerCharacterLoad()
            ); 
            
            _playerHealth = Context.PlayerProvider.Health;
            _playerHealth.OnDeath += EndGame;
            
            Context.AudioService.PlayRandomMusicUntilHumanityWillBeDestroyedForTheySins(MusicType.Peaceful);
            Context.AudioService.PlayRandomMusicUntilHumanityWillBeDestroyedForTheySins(MusicType.Action);
            
            var sceneEnvironment = ((GameplaySceneEnvironment)SceneManager.GetActiveScene()
                .GetSceneContainer().Resolve<CurrentSceneEnvironment>());

            _testSFXTransform = sceneEnvironment.debugSfxTarget;
            
            _playerCharacter.Teleport(sceneEnvironment.playerSpawnPoint.position, sceneEnvironment.playerSpawnPoint.rotation);
            
            ((GameplayPanel)Context.UIService.CurrentPanel).Initialize(_playerMoney, _playerHealth);
            
            Context.CameraStateMachine.SwitchState(CameraMode.FirstPerson);
            
            ((BaseCameraState)Context.CameraStateMachine.CurrentBaseState).SetFollowTransform(_playerCharacter.GetFollowTransform());
            
            Context.InputService.EnableMap(ActionMappings.Gameplay);
            
            Context.UIService.LoadingScreen.Hide();
        }

        private void OnCharacterSpawn(CharacterProvider characterProvider)
        {
            ((BaseCameraState)Context.CameraStateMachine.CurrentBaseState).SetFollowTransform(_playerCharacter.GetFollowTransform());
        }
        private void PlayDebugSFX(InputAction.CallbackContext context)
        {
            Context.AudioService.PlaySFX(SFXSounds.Crowbar, _testSFXTransform.position);
        }
        private void PlayDebugDispatcher(InputAction.CallbackContext context)
        {
            Context.AudioService.PlayDispatcher(DispatcherSounds.AhFreeman);
        }
        private void GiveHealth(InputAction.CallbackContext context)
        {
            _playerHealth.GetDamage(-1);
        }

        private void LooseHealth(InputAction.CallbackContext context)
        {
            _playerHealth.GetDamage(1);
        }

        private void GiveMoney(InputAction.CallbackContext context)
        {
            _playerMoney.GiveMoney(100);
            ((GameplayPanel)(Context.UIService.CurrentPanel)).SummonDispatcher();
        }

        private void LooseMoney(InputAction.CallbackContext context)
        {
            _playerMoney.LooseMoney(100);
            ((GameplayPanel)(Context.UIService.CurrentPanel)).CloseDispatcher();
        }
        // DEBUG
        public override void Tick()
        {
        }

        private void EndGame()
        {
            Context.StateMachine.SwitchState(AppState.GameOver)
                .AllowStateTransition(AppState.MainMenu);
        }
        
        public override void ExitState()
        {
            _playerHealth = null;
            _playerMoney = null;
            
            Context.PlayerFactory.ReleasePlayer(_playerCharacter);
            _playerCharacter = null;
            
            Context.InputService.DisableMap(ActionMappings.Gameplay);
            Context.AudioService.GladlyAskToStopMusic(MusicType.Action, callback: Context.AudioFactory.ReleaseActionMusic);
            Context.AudioService.GladlyAskToStopMusic(MusicType.Peaceful, callback: Context.AudioFactory.ReleasePeacefulMusic);
            
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug1, GiveHealth);
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug3, GiveHealth);
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug2, LooseHealth);
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug4, LooseMoney);
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug5, PlayDebugSFX);
            Context.InputService.DebugUnbindAction((int)ActionMappings.Debug, (int)DebugActions.Debug6, PlayDebugDispatcher);
            
            base.ExitState();
        }
    }
}