【界面UI】坐骑技能槽解锁：槽位排列与解锁动画的界面设计

local slots = {}
local function renderSlots(openCnt, progress)
    for i = 1, 4 do
        local slot = slots[i]
        if i <= openCnt then
            GUI:setVisible(slot.lock, false)
            GUI:setVisible(slot.skill, true)
        else
            GUI:setVisible(slot.lock, true)
            GUI:setText(slot.progress, i == openCnt + 1 and progress .. "/100" or "")
        end
    end
end

local animating = false
local function playUnlockAnim(slotIdx)
    if animating then return end
    animating = true
    GUI:setVisible(slots[slotIdx].lock, false)
    GUI:setVisible(slots[slotIdx].break_, true)
    SL:Schedule(function()
        GUI:setVisible(slots[slotIdx].break_, false)
        GUI:setVisible(slots[slotIdx].skill, true)
        animating = false
    end, 0.4)
end