DropBasedOnExpertMode.cs

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using System.Collections.Generic;
 
namespace Terraria.GameContent.ItemDropRules;
 
public class DropBasedOnExpertMode : IItemDropRule, INestedItemDropRule
{
    public IItemDropRule ruleForNormalMode;
 
    public IItemDropRule ruleForExpertMode;
 
    public List<IItemDropRuleChainAttempt> ChainedRules { get; private set; }
 
    public DropBasedOnExpertMode(IItemDropRule ruleForNormalMode, IItemDropRule ruleForExpertMode)
    {
        this.ruleForNormalMode = ruleForNormalMode;
        this.ruleForExpertMode = ruleForExpertMode;
        ChainedRules = new List<IItemDropRuleChainAttempt>();
    }
 
    public bool CanDrop(DropAttemptInfo info)
    {
        if (info.IsExpertMode)
        {
            return ruleForExpertMode.CanDrop(info);
        }
        return ruleForNormalMode.CanDrop(info);
    }
 
    public ItemDropAttemptResult TryDroppingItem(DropAttemptInfo info)
    {
        ItemDropAttemptResult result = default(ItemDropAttemptResult);
        result.State = ItemDropAttemptResultState.DidNotRunCode;
        return result;
    }
 
    public ItemDropAttemptResult TryDroppingItem(DropAttemptInfo info, ItemDropRuleResolveAction resolveAction)
    {
        if (info.IsExpertMode)
        {
            return resolveAction(ruleForExpertMode, info);
        }
        return resolveAction(ruleForNormalMode, info);
    }
 
    public void ReportDroprates(List<DropRateInfo> drops, DropRateInfoChainFeed ratesInfo)
    {
        DropRateInfoChainFeed ratesInfo2 = ratesInfo.With(1f);
        ratesInfo2.AddCondition(new Conditions.IsExpert());
        ruleForExpertMode.ReportDroprates(drops, ratesInfo2);
        DropRateInfoChainFeed ratesInfo3 = ratesInfo.With(1f);
        ratesInfo3.AddCondition(new Conditions.NotExpert());
        ruleForNormalMode.ReportDroprates(drops, ratesInfo3);
        Chains.ReportDroprates(ChainedRules, 1f, drops, ratesInfo);
    }
}