// Decompiled with JetBrains decompiler
// Type: Terraria.GameContent.UI.BigProgressBar.MartianSaucerBigProgressBar
// Assembly: Terraria, Version=1.4.0.5, Culture=neutral, PublicKeyToken=null
// MVID: 67F9E73E-0A81-4937-A22C-5515CD405A83
// Assembly location: C:\Users\mikeyisbaeyt\Downloads\depotdownloader-2.4.5\depots\105601\6707058\Terraria.exe

using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using System.Collections.Generic;
using Terraria.ID;

namespace Terraria.GameContent.UI.BigProgressBar
{
  public class MartianSaucerBigProgressBar : IBigProgressBar
  {
    private float _lifePercentToShow;
    private NPC _referenceDummy;
    private HashSet<int> ValidIds = new HashSet<int>()
    {
      395
    };
    private HashSet<int> ValidIdsToScanHp = new HashSet<int>()
    {
      395,
      393,
      394
    };

    public MartianSaucerBigProgressBar() => this._referenceDummy = new NPC();

    public bool ValidateAndCollectNecessaryInfo(ref BigProgressBarInfo info)
    {
      if (info.npcIndexToAimAt < 0 || info.npcIndexToAimAt > 200)
        return false;
      NPC npc1 = Main.npc[info.npcIndexToAimAt];
      if (!npc1.active || npc1.type != 395)
      {
        if (!this.TryFindingAnotherMartianSaucerPiece(ref info))
          return false;
        npc1 = Main.npc[info.npcIndexToAimAt];
      }
      int num1 = 0;
      if (Main.expertMode)
      {
        this._referenceDummy.SetDefaults(395, npc1.GetMatchingSpawnParams());
        num1 += this._referenceDummy.lifeMax;
      }
      this._referenceDummy.SetDefaults(394, npc1.GetMatchingSpawnParams());
      int num2 = num1 + this._referenceDummy.lifeMax * 2;
      this._referenceDummy.SetDefaults(393, npc1.GetMatchingSpawnParams());
      int num3 = num2 + this._referenceDummy.lifeMax * 2;
      float num4 = 0.0f;
      for (int index = 0; index < 200; ++index)
      {
        NPC npc2 = Main.npc[index];
        if (npc2.active && this.ValidIdsToScanHp.Contains(npc2.type) && (Main.expertMode || npc2.type != 395))
          num4 += (float) npc2.life;
      }
      this._lifePercentToShow = Utils.Clamp<float>(num4 / (float) num3, 0.0f, 1f);
      return true;
    }

    public void Draw(ref BigProgressBarInfo info, SpriteBatch spriteBatch)
    {
      int bossHeadTexture = NPCID.Sets.BossHeadTextures[395];
      Texture2D texture2D = TextureAssets.NpcHeadBoss[bossHeadTexture].Value;
      Rectangle barIconFrame = texture2D.Frame();
      BigProgressBarHelper.DrawFancyBar(spriteBatch, this._lifePercentToShow, texture2D, barIconFrame);
    }

    private bool TryFindingAnotherMartianSaucerPiece(ref BigProgressBarInfo info)
    {
      for (int index = 0; index < 200; ++index)
      {
        NPC npc = Main.npc[index];
        if (npc.active && this.ValidIds.Contains(npc.type))
        {
          info.npcIndexToAimAt = index;
          return true;
        }
      }
      return false;
    }
  }
}