lzx493054317 发表于 2018-10-8 07:53

出现attempt to index local 'attacker'(anilvalue) LUA ERROR stack traceback错误

精神值到0的时候打暗影兽，四-五次里面有1次会一砍 游戏就报错。出现attempt to index local 'attacker'(anilvalue) LUA ERROR stack traceback错误，求大哥解决！谢谢

lzx493054317 发表于 2018-10-8 07:54

报错图片如图

lzx493054317 发表于 2018-10-8 08:14

shadowcreature.lua文件内容如下


local prefabs =
{
    "nightmarefuel",
}

local function retargetfn(inst)
    local entity = FindEntity(inst, TUNING.SHADOWCREATURE_TARGET_DIST, function(guy)
                return guy:HasTag("player") and guy.components.sanity:IsCrazy() and inst.components.combat:CanTarget(guy)
    end)
    return entity
end

local function onkilledbyother(inst, attacker)
        if attacker and attacker.components.sanity then
                attacker.components.sanity:DoDelta(inst.sanityreward or TUNING.SANITY_SMALL)
        end
end

local loot = {"nightmarefuel"}

local function CalcSanityAura(inst, observer)
        if inst.components.combat.target then
                return -TUNING.SANITYAURA_LARGE
        end       
        return 0
end

local function canbeattackedfn(inst, attacker)
        return inst.components.combat.target ~= nil or
                (attacker.components.sanity and attacker.components.sanity:IsCrazy())
end

local function OnAttacked(inst, data)
    inst.components.combat:SetTarget(data.attacker)
    inst.components.combat:ShareTarget(data.attacker, 30, function(dude) return dude:HasTag("shadowcreature") and not dude.components.health:IsDead() end, 1)
end

local function MakeShadowCreature(data)

    local bank = data.bank
    local build = data.build
   
    local assets=
    {
          Asset("ANIM", "anim/"..data.build..".zip"),
    }
   
    local sounds =
    {
      attack = "dontstarve/sanity/creature"..data.num.."/attack",
      attack_grunt = "dontstarve/sanity/creature"..data.num.."/attack_grunt",
      death = "dontstarve/sanity/creature"..data.num.."/die",
      idle = "dontstarve/sanity/creature"..data.num.."/idle",
      taunt = "dontstarve/sanity/creature"..data.num.."/taunt",
      appear = "dontstarve/sanity/creature"..data.num.."/appear",
      disappear = "dontstarve/sanity/creature"..data.num.."/dissappear",
    }

    local function fn()
          local inst = CreateEntity()
          local trans = inst.entity:AddTransform()
          local anim = inst.entity:AddAnimState()
      local physics = inst.entity:AddPhysics()
          local sound = inst.entity:AddSoundEmitter()
      inst.Transform:SetFourFaced()
      inst:AddTag("shadowcreature")
           
      MakeCharacterPhysics(inst, 10, 1.5)
      RemovePhysicsColliders(inst)
          inst.Physics:SetCollisionGroup(COLLISION.SANITY)
          inst.Physics:CollidesWith(COLLISION.SANITY)
          --inst.Physics:CollidesWith(COLLISION.WORLD)
      
         
      anim:SetBank(bank)
      anim:SetBuild(build)
      anim:PlayAnimation("idle_loop")
      anim:SetMultColour(1, 1, 1, 0.5)
      inst:AddComponent("locomotor") -- locomotor must be constructed before the stategraph
      inst.components.locomotor.walkspeed = data.speed
      inst.sounds = sounds
      inst:SetStateGraph("SGshadowcreature")

      inst:AddTag("monster")
          inst:AddTag("hostile")
      inst:AddTag("shadow")

      local brain = require "brains/shadowcreaturebrain"
      inst:SetBrain(brain)
      
          inst:AddComponent("sanityaura")
          inst.components.sanityaura.aurafn = CalcSanityAura
      
      inst:AddComponent("transparentonsanity")
      inst:AddComponent("health")
      inst.components.health:SetMaxHealth(data.health)
      
                inst.sanityreward = data.sanityreward
               
      inst:AddComponent("combat")
      inst.components.combat:SetDefaultDamage(data.damage)
      inst.components.combat:SetAttackPeriod(data.attackperiod)
      inst.components.combat:SetRetargetFunction(3, retargetfn)
      inst.components.combat.onkilledbyother = onkilledbyother
      inst.components.combat.canbeattackedfn = canbeattackedfn

      inst:AddComponent("lootdropper")
      inst.components.lootdropper:SetLoot(loot)
      inst.components.lootdropper:AddChanceLoot("nightmarefuel", 0.5)
      
      inst:ListenForEvent("attacked", OnAttacked)

      return inst
    end
      
    return Prefab("monsters/"..data.name, fn, assets, prefabs)
end


local data = {{name="crawlinghorror", build = "shadow_insanity1_basic", bank = "shadowcreature1", num = 1, speed = TUNING.CRAWLINGHORROR_SPEED, health=TUNING.CRAWLINGHORROR_HEALTH, damage=TUNING.CRAWLINGHORROR_DAMAGE, attackperiod = TUNING.CRAWLINGHORROR_ATTACK_PERIOD, sanityreward = TUNING.SANITY_MED},
                          {name="terrorbeak", build = "shadow_insanity2_basic", bank = "shadowcreature2", num = 2, speed = TUNING.TERRORBEAK_SPEED, health=TUNING.TERRORBEAK_HEALTH, damage=TUNING.TERRORBEAK_DAMAGE, attackperiod = TUNING.TERRORBEAK_ATTACK_PERIOD, sanityreward = TUNING.SANITY_LARGE}}

local ret = {}
for k,v in pairs(data) do
        table.insert(ret, MakeShadowCreature(v))
end


return unpack(ret)
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