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using Core.Game;
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using Core.Health;
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using DG.Tweening;
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using TowerDefense.Game;
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using TowerDefense.Level;
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using TowerDefense.Towers.Placement;
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using TowerDefense.UI.HUD;
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using UnityEngine;
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using UnityEngine.SceneManagement;
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using UnityEngine.UI;
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namespace TowerDefense.UI
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{
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/// <summary>
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/// UI to display the game over screen
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/// </summary>
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public class EndGameScreen : MonoBehaviour
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{
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/// <summary>
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/// AudioClip to play when victorious
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/// </summary>
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public AudioClip victorySound;
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/// <summary>
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/// AudioClip to play when failed
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/// </summary>
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public AudioClip defeatSound;
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/// <summary>
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/// AudioSource that plays the sound
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/// </summary>
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public AudioSource audioSource;
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/// <summary>
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/// The containing panel of the End Game UI
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/// </summary>
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public Canvas endGameCanvas;
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/// <summary>
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/// 游戏胜利时应该显示的Image.
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/// </summary>
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public Sprite victoryImg;
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/// <summary>
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/// 游戏失败时应该显示的Image.
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/// </summary>
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public Sprite failedImg;
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/// <summary>
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/// 显示游戏结果的图片.
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/// </summary>
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public Image gameResultImgOpp;
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public Image gameResultImgSelf;
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/// <summary>
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/// Panel that shows final star rating
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/// </summary>
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//public ScorePanel scorePanel;
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/// <summary>
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/// Name of level select screen
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/// </summary>
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public string menuSceneName = "MainManuScene";
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/// <summary>
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/// Text to be displayed on popup
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/// </summary>
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public string levelCompleteText = "{0} COMPLETE!";
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public string levelFailedText = "{0} FAILED!";
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/// <summary>
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/// Background image
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/// </summary>
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public Image background;
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/// <summary>
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/// Color to set background
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/// </summary>
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//public Color winBackgroundColor;
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//public Color loseBackgroundColor;
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/// <summary>
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/// The Canvas that holds the button to go to the next level
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/// if the player has beaten the level
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/// </summary>
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//public Canvas nextLevelButton;
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/// <summary>
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/// Reference to the <see cref="LevelManager" />
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/// </summary>
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protected LevelManager m_LevelManager;
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/// <summary>
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/// Safely unsubscribes from <see cref="LevelManager" /> events.
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/// Go back to the main menu scene
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/// 这个是旧版本的回到主菜单，暂时是用不上的。
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/// </summary>
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public void GoToMainMenu()
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{
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DOTween.Clear();
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UIStart.bFirstLoaded = false;
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UIStart.bGameStart = false;
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SafelyUnsubscribe();
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SceneManager.LoadScene(menuSceneName);
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}
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/// <summary>
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/// Safely unsubscribes from <see cref="LevelManager" /> events.
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/// Reloads the active scene
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/// </summary>
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public void RestartLevel()
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{
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UIStart.bFirstLoaded = false;
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UIStart.bGameStart = false;
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SafelyUnsubscribe();
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string currentSceneName = SceneManager.GetActiveScene().name;
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SceneManager.LoadScene(currentSceneName);
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// 清空所有Tween数据:
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DOTween.Clear();
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TowerPlacementGrid.GRID_OPENCASH_OPPO = 100;
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TowerPlacementGrid.GRID_OPENCASH_SELF = 100;
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// 关键数据需要重置:
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// 1: 局内升级相关的数据
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SceneTowerLvl.clearInSceneTowerData();
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// 2: GameUI需要清空.
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GameUI.instance.restartLevel();
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// 3: AgentInsManager需要重来.
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AgentInsManager.instance.restartLevel();
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// 4: 格子相关的数据重新开始.
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}
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/// <summary>
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/// 回到主界面的功能，暂时也使用重新开启新关卡.
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/// </summary>
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public void ReturnToMainMenu()
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{
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// 清空所有Tween数据:
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DOTween.Clear();
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UIStart.bFirstLoaded = false;
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UIStart.bGameStart = false;
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TowerPlacementGrid.GRID_OPENCASH_OPPO = 100;
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TowerPlacementGrid.GRID_OPENCASH_SELF = 100;
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SafelyUnsubscribe();
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SceneManager.LoadScene(menuSceneName);
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}
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/// <summary>
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/// Safely unsubscribes from <see cref="LevelManager" /> events.
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/// Goes to the next scene if valid
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/// </summary>
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public void GoToNextLevel()
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{
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SafelyUnsubscribe();
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if (!GameManager.instanceExists)
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{
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return;
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}
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GameManager gm = GameManager.instance;
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LevelItem item = gm.GetLevelForCurrentScene();
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LevelList list = gm.levelList;
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int levelCount = list.Count;
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int index = -1;
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for (int i = 0; i < levelCount; i++)
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{
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if (item == list[i])
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{
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index = i + 1;
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break;
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}
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}
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if (index < 0 || index >= levelCount)
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{
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return;
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}
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LevelItem nextLevel = gm.levelList[index];
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SceneManager.LoadScene(nextLevel.sceneName);
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}
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/// <summary>
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/// Hide the panel if it is active at the start.
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/// Subscribe to the <see cref="LevelManager" /> completed/failed events.
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/// </summary>
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protected void Start()
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{
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LazyLoad();
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endGameCanvas.enabled = false;
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//nextLevelButton.enabled = false;
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//nextLevelButton.gameObject.SetActive(false);
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m_LevelManager.levelCompleted += Victory;
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m_LevelManager.levelFailed += Defeat;
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}
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/// <summary>
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/// Shows the end game screen
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/// </summary>
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protected void OpenEndGameScreen( bool victory )
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{
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//endResultText = "关卡失败!";
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//LevelItem level = GameManager.instance.GetLevelForCurrentScene();
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endGameCanvas.enabled = true;
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int score = CalculateFinalScore();
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// 根据胜利失败，展示不同的背景图片：
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if (victory)
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{
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gameResultImgOpp.sprite = this.failedImg;
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gameResultImgSelf.sprite = this.victoryImg;
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}
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else
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{
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gameResultImgOpp.sprite = this.victoryImg;
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gameResultImgSelf.sprite = this.failedImg;
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}
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if (!HUD.GameUI.instanceExists)
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{
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return;
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}
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if (HUD.GameUI.instance.state == HUD.GameUI.State.Building)
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{
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HUD.GameUI.instance.CancelGhostPlacement();
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}
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HUD.GameUI.instance.GameOver();
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}
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/// <summary>
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/// Occurs when the level is sucessfully completed
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/// </summary>
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protected void Victory()
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{
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OpenEndGameScreen(true);
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// if ((victorySound != null) && (audioSource != null))
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// {
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// audioSource.PlayOneShot(victorySound);
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// }
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//background.color = winBackgroundColor;
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//first check if there are any more levels after this one
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//if (nextLevelButton == null || !GameManager.instanceExists)
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//{
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// return;
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//}
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/* GameManager gm = GameManager.instance;
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LevelItem item = gm.GetLevelForCurrentScene();
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LevelList list = gm.levelList;
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int levelCount = list.Count;
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int index = -1;
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for (int i = 0; i < levelCount; i++)
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{
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if (item == list[i])
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{
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index = i;
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break;
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}
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}
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//if the level does not exist or this is the last level
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//hide the next level button
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if (index < 0 || index == levelCount - 1)
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{
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//nextLevelButton.enabled = false;
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//nextLevelButton.gameObject.SetActive(false);
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return;
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}*/
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//nextLevelButton.enabled = true;
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//nextLevelButton.gameObject.SetActive(true);
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}
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/// <summary>
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/// Occurs when level is failed
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/// </summary>
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protected void Defeat()
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{
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OpenEndGameScreen( false );// levelFailedText);
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//if (nextLevelButton != null)
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//{
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// nextLevelButton.enabled = false;
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// nextLevelButton.gameObject.SetActive(false);
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//}
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// if ((defeatSound != null) && (audioSource != null))
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// {
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// audioSource.PlayOneShot(defeatSound);
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// }
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//background.color = loseBackgroundColor;
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}
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/// <summary>
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/// Safely unsubscribes from <see cref="LevelManager" /> events.
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/// </summary>
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protected void OnDestroy()
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{
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SafelyUnsubscribe();
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if (HUD.GameUI.instanceExists)
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{
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HUD.GameUI.instance.Unpause();
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}
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}
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/// <summary>
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/// Ensure that <see cref="LevelManager" /> events are unsubscribed from when necessary
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/// </summary>
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protected void SafelyUnsubscribe()
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{
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LazyLoad();
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m_LevelManager.levelCompleted -= Victory;
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m_LevelManager.levelFailed -= Defeat;
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}
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/// <summary>
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/// Ensure <see cref="m_LevelManager" /> is not null
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/// </summary>
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protected void LazyLoad()
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{
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if ((m_LevelManager == null) && LevelManager.instanceExists)
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{
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m_LevelManager = LevelManager.instance;
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}
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}
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/// <summary>
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/// Add up the health of all the Home Bases and return a score
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/// </summary>
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/// <returns>Final score</returns>
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protected int CalculateFinalScore()
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{
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int homeBaseCount = m_LevelManager.numberOfHomeBases;
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PlayerHomeBase[] homeBases = m_LevelManager.playerHomeBases;
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float totalRemainingHealth = 0f;
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float totalBaseHealth = 0f;
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for (int i = 0; i < homeBaseCount; i++)
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{
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Damageable config = homeBases[i].configuration;
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totalRemainingHealth += config.currentHealth;
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totalBaseHealth += config.maxHealth;
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}
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int score = CalculateScore(totalRemainingHealth, totalBaseHealth);
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return score;
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}
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/// <summary>
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/// Take the final remaining health of all bases and rates them
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/// </summary>
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/// <param name="remainingHealth">the total remaining health of all home bases</param>
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/// <param name="maxHealth">the total maximum health of all home bases</param>
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/// <returns>0 to 3 depending on how much health is remaining</returns>
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protected int CalculateScore(float remainingHealth, float maxHealth)
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{
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float normalizedHealth = remainingHealth / maxHealth;
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if (Mathf.Approximately(normalizedHealth, 1f))
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{
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return 3;
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}
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if ((normalizedHealth <= 0.9f) && (normalizedHealth >= 0.5f))
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{
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return 2;
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}
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if ((normalizedHealth < 0.5f) && (normalizedHealth > 0f))
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{
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return 1;
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}
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return 0;
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}
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}
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}
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