local passive = RegisterMod( "Passives", 1);
local heroinitem = Isaac.GetItemIdByName("Heroin")
local speeditem =   Isaac.GetItemIdByName("Speed")
local spinnyitem =   Isaac.GetItemIdByName("Spinny Gun")
local gunnoculars =   Isaac.GetItemIdByName("Gunnoculars")
local mightyclover =    Isaac.GetItemIdByName("Mighty Clover")
local weight =           Isaac.GetItemIdByName("5 Pounds Weight")
local trauma =             Isaac.GetItemIdByName("Trauma")
local sadmemories =         Isaac.GetItemIdByName("Sad Memories")
local happymemories =        Isaac.GetItemIdByName("Happy Memories")

function passive:cacheUpdate(player, cacheFlag)
    local player = Isaac.GetPlayer(0)

    if cacheFlag == CacheFlag.CACHE_DAMAGE then

        if player:HasCollectible(heroinitem) then
            player.Damage = player.Damage + 1.5;
        end
  if player:HasCollectible(trauma)   then
            player.Damage = player.Damage + 1.67 ;
        end
    end

    if cacheFlag == CacheFlag.CACHE_SHOTSPEED then

        if player:HasCollectible(gunnoculars) then
            player.ShotSpeed = 4;
        end
    if player:HasCollectible(weight) then
            shotspeedvar = player.ShotSpeed;
            player.Damage = player.Damage + (shotspeedvar);
        end
    end

    if cacheFlag == CacheFlag.CACHE_SPEED then

        if player:HasCollectible(speeditem) then
            player.MoveSpeed = player.MoveSpeed + 1;
        end
        if player:HasCollectible(spinnyitem) then
            player.MoveSpeed = player.MoveSpeed - 2;
        end
    end

    if cacheFlag == CacheFlag.CACHE_LUCK then
        if player:HasCollectible(mightyclover) then
            player.Luck = player.Luck + 5;
        end
    end

    if cacheFlag == CacheFlag.CACHE_FIREDELAY then

        if player:HasCollectible(spinnyitem) then
            player.MaxFireDelay = 1;
            player.FireDelay = 1;
        end
        if player:HasCollectible(sadmemories) then
            player.FireDelay = player.FireDelay - 2 ;
            player.MaxFireDelay = player.MaxFireDelay -1;
        end
    end
  end

passive:AddCallback(ModCallbacks.MC_EVALUATE_CACHE, passive.cacheUpdate)