Assets/Scripts/BossScripts/BossHealth.cs

   1 using System.Collections;
   2 using System.Collections.Generic;
   3 using UnityEngine;
   4 using UnityEngine.UI;
   5
   6 public class BossHealth : MonoBehaviour {
   7
   8     [SerializeField]
   9     private GameObject m_ExplosionPrefab;
  10     [SerializeField]
  11     private GameObject m_FireworksPrefab;
  12         [SerializeField]
  13         private GameObject lightningGroup;
  14         private GameObject lightningClone;
  15         private GameObject lightningClone2;
  16     [SerializeField]
  17     private Slider m_HealthSlider;
  18     private Color m_NormalColor;
  19
  20     [SerializeField]
  21     private float m_TotalHealth;
  22     private float m_CurrentHealth;
  23
  24     [SerializeField]
  25     private float m_InvulnerabilityDuration;
  26     private float m_InvulnerabilityTimer;
  27     [SerializeField]
  28     private Color m_InvulnerabilityColor;
  29     [SerializeField]
  30     private Sprite m_InvulnerabilitySprite;
  31     private Sprite m_NormalSprite;
  32     private SpriteRenderer m_SpriteRenderer;
  33
  34     public bool IsDefeated { get; private set; }
  35
  36     // Use in BossMovement script if boss phases depend on its current health
  37     public float HealthRatio
  38     {
  39         get { return CalculateHealth(); }
  40     }
  41     public bool IsInvulnerable { get; set; }
  42         private bool isInvulnerableCustom;
  43         private bool endInvulnerableCustom;
  44
  45     private void Awake()
  46     {
  47         m_CurrentHealth = m_TotalHealth;
  48         IsInvulnerable = false;
  49                 isInvulnerableCustom = false;
  50                 endInvulnerableCustom = false;
  51         IsDefeated = false;
  52         m_SpriteRenderer = GetComponent<SpriteRenderer>();
  53         m_NormalSprite = m_SpriteRenderer.sprite;
  54     }
  55
  56     private void Start()
  57     {
  58         m_HealthSlider.value = CalculateHealth();
  59         m_NormalColor = m_HealthSlider.fillRect.GetComponentInChildren<Image>().color;
  60     }
  61
  62     void Update()
  63     {
  64         if (IsInvulnerable)
  65         {
  66             m_InvulnerabilityTimer += Time.deltaTime;
  67             m_HealthSlider.fillRect.GetComponentInChildren<Image>().color = m_InvulnerabilityColor;
  68             m_SpriteRenderer.sprite = m_InvulnerabilitySprite;
  69                         lightningClone2.transform.position = (transform.position + new Vector3 (-0.5f, -3.5f, 0f));
  70             if (m_InvulnerabilityTimer > m_InvulnerabilityDuration)
  71             {
  72                 IsInvulnerable = false;
  73                 m_InvulnerabilityTimer = 0.0f;
  74                 m_HealthSlider.fillRect.GetComponentInChildren<Image>().color = m_NormalColor;
  75                 m_SpriteRenderer.sprite = m_NormalSprite;
  76                                 Destroy (lightningClone2);
  77             }
  78         }
  79                 if (isInvulnerableCustom)
  80                 {
  81                         m_HealthSlider.fillRect.GetComponentInChildren<Image>().color = m_InvulnerabilityColor;
  82                         m_SpriteRenderer.sprite = m_InvulnerabilitySprite;
  83                         lightningClone.transform.position =  transform.position + new Vector3(-0.5f, -3.5f, 0f);
  84
  85                         if (endInvulnerableCustom)
  86                         {
  87                                 isInvulnerableCustom = false;
  88                                 m_HealthSlider.fillRect.GetComponentInChildren<Image>().color = m_NormalColor;
  89                                 m_SpriteRenderer.sprite = m_NormalSprite;
  90                                 endInvulnerableCustom = false;
  91                                 Destroy (lightningClone);
  92                         }
  93                 }
  94     }
  95
  96     private float CalculateHealth()
  97     {
  98         return m_CurrentHealth / m_TotalHealth;
  99     }
 100
 101     private void OnTriggerEnter2D(Collider2D col)
 102     {
 103         if (col.CompareTag("YarnABullet"))
 104         {
 105             DealDamage(25, col.transform.position, col.gameObject);
 106         }
 107         else if (col.CompareTag("YarnBBullet"))
 108         {
 109             DealDamage(50, col.transform.position, col.gameObject);
 110         }
 111         else if (col.CompareTag("YarnCBullet"))
 112         {
 113             DealDamage(75, col.transform.position, col.gameObject);
 114         }
 115     }
 116
 117     void DealDamage(float damageValue, Vector3 ColPosition, GameObject bulletOject)
 118     {
 119         Destroy(bulletOject);
 120
 121                 if (IsInvulnerable || isInvulnerableCustom)
 122         {
 123             return;
 124         }
 125
 126         m_CurrentHealth -= damageValue;
 127
 128         if (m_CurrentHealth <= 0.0f)
 129         {
 130             m_CurrentHealth = 0.0f;
 131             IsDefeated = true;
 132         }
 133
 134         // For testing... might remove depending on boss invulnerability conditions
 135                 if ((HealthRatio < 0.78f && HealthRatio > 0.75f) || (HealthRatio < 0.53f && HealthRatio > 0.50f) || (HealthRatio < 0.30f && HealthRatio > 0.25f))
 136         {
 137             IsInvulnerable = true;
 138                         lightningClone2 = new GameObject ();
 139                         lightningClone2 = Instantiate (lightningGroup, transform.position + new Vector3(-0.5f, -3.5f, 0f), transform.rotation);
 140                 }
 141
 142         m_HealthSlider.value = CalculateHealth();
 143
 144         Instantiate(m_ExplosionPrefab, ColPosition, Quaternion.identity);
 145
 146         if (IsDefeated)
 147         {
 148             Destroy(gameObject);
 149             GameObject.FindWithTag("YarnPhysics").GetComponent<HealthSlider>().BossEnded = true;
 150             Instantiate(m_FireworksPrefab, ColPosition, Quaternion.identity);
 151         }
 152     }
 153
 154         public void StartInvulnerabilty ()
 155         {
 156                 isInvulnerableCustom = true;
 157                 lightningClone = new GameObject ();
 158                 lightningClone = Instantiate (lightningGroup, transform.position + new Vector3(-0.5f, -3.5f, 0f), transform.rotation);
 159
 160         }
 161
 162         public void EndInvulnerability()
 163         {
 164                 endInvulnerableCustom = true;
 165         }
 166 }