MechBossSpawnersDropRule.cs

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using System.Collections.Generic;
 
namespace Terraria.GameContent.ItemDropRules;
 
public class MechBossSpawnersDropRule : IItemDropRule
{
    public Conditions.MechanicalBossesDummyCondition dummyCondition = new Conditions.MechanicalBossesDummyCondition();
 
    public List<IItemDropRuleChainAttempt> ChainedRules { get; private set; }
 
    public MechBossSpawnersDropRule()
    {
        ChainedRules = new List<IItemDropRuleChainAttempt>();
    }
 
    public bool CanDrop(DropAttemptInfo info)
    {
        if (info.npc.value > 0f && Main.hardMode && (!NPC.downedMechBoss1 || !NPC.downedMechBoss2 || !NPC.downedMechBoss3))
        {
            return !info.IsInSimulation;
        }
        return false;
    }
 
    public ItemDropAttemptResult TryDroppingItem(DropAttemptInfo info)
    {
        ItemDropAttemptResult result;
        if (!NPC.downedMechBoss1 && info.player.RollLuck(2500) == 0)
        {
            CommonCode.DropItemFromNPC(info.npc, 556, 1);
            result = default(ItemDropAttemptResult);
            result.State = ItemDropAttemptResultState.Success;
            return result;
        }
        if (!NPC.downedMechBoss2 && info.player.RollLuck(2500) == 0)
        {
            CommonCode.DropItemFromNPC(info.npc, 544, 1);
            result = default(ItemDropAttemptResult);
            result.State = ItemDropAttemptResultState.Success;
            return result;
        }
        if (!NPC.downedMechBoss3 && info.player.RollLuck(2500) == 0)
        {
            CommonCode.DropItemFromNPC(info.npc, 557, 1);
            result = default(ItemDropAttemptResult);
            result.State = ItemDropAttemptResultState.Success;
            return result;
        }
        result = default(ItemDropAttemptResult);
        result.State = ItemDropAttemptResultState.FailedRandomRoll;
        return result;
    }
 
    public void ReportDroprates(List<DropRateInfo> drops, DropRateInfoChainFeed ratesInfo)
    {
        ratesInfo.AddCondition(dummyCondition);
        float num = 0.0004f;
        float dropRate = num * ratesInfo.parentDroprateChance;
        drops.Add(new DropRateInfo(556, 1, 1, dropRate, ratesInfo.conditions));
        drops.Add(new DropRateInfo(544, 1, 1, dropRate, ratesInfo.conditions));
        drops.Add(new DropRateInfo(557, 1, 1, dropRate, ratesInfo.conditions));
        Chains.ReportDroprates(ChainedRules, num, drops, ratesInfo);
    }
}