ArachnaeSwarm/Source/ArachnaeSwarm/Abilities/ARA_DestroyOwnBodyPart/CompAbilityEffect_DestroyOwnBodyPart.cs

using RimWorld;
using System.Collections.Generic;
using System.Linq;
using Verse;

namespace ArachnaeSwarm
{
    public class CompAbilityEffect_DestroyOwnBodyPart : CompAbilityEffect
    {
        public new CompProperties_AbilityDestroyOwnBodyPart Props => (CompProperties_AbilityDestroyOwnBodyPart)props;

        public override void Apply(LocalTargetInfo target, LocalTargetInfo dest)
        {
            base.Apply(target, dest);

            Pawn caster = parent.pawn;
            if (caster == null || caster.Dead)
                return;

            // 获取要破坏的身体部位
            List<BodyPartRecord> partsToDestroy = GetBodyPartsToDestroy(caster);
            
            if (partsToDestroy.Count == 0)
                return;

            // 对每个部位执行破坏
            foreach (BodyPartRecord part in partsToDestroy)
            {
                DestroyBodyPart(caster, part);
            }
        }

        // 获取要破坏的身体部位列表
        private List<BodyPartRecord> GetBodyPartsToDestroy(Pawn pawn)
        {
            List<BodyPartRecord> validParts = new List<BodyPartRecord>();

            // 获取指定的身体部位
            foreach (BodyPartDef partDef in Props.bodyPartsToDestroy)
            {
                var parts = pawn.RaceProps.body.GetPartsWithDef(partDef);
                foreach (BodyPartRecord part in parts)
                {
                    // 检查部位是否已经缺失
                    if (!pawn.health.hediffSet.PartIsMissing(part))
                    {
                        validParts.Add(part);
                    }
                }
            }

            return validParts;
        }

        // 实际执行身体部位的破坏
        private void DestroyBodyPart(Pawn pawn, BodyPartRecord part)
        {
            // 直接添加缺失部位hediff
            pawn.health.AddHediff(HediffDefOf.MissingBodyPart, part);
        }
    }
}