-- 猫猫虫的 LuaEngine 工具模块：Speed
-- @version: 1.0.0

local Speed = {
    lock = nil,
    instance = nil
}
Speed.__index = Speed

function Speed:new(playerData)
    if self.instance ~= nil then
        self.instance.playerData = playerData
        return self.instance
    end

    local instance = setmetatable({
        playerData = playerData
    }, Speed)
    self.instance = instance
    return self.instance
end

function Speed:setSpeed(speed)
    self.playerData.Frame.frameSpeedMultiplies = speed
end

function Speed:resetSpeed()
    self.playerData.Frame.frameSpeedMultiplies = 1
end

function Speed:withSpeed(speed, func)
    if speed == nil or func == nil then
        return
    end

    self:setSpeed(speed)
    func()
    self:resetSpeed()
end

function Speed:checkAndReleaseLock(lockID)
    if self.lock == nil then
        return true
    end
    if self.lock == lockID then
        self.lock = nil
        return true
    end
    return false
end

function Speed:checkAndSetupLock(lockID)
    if self.lock == nil then
        self.lock = lockID
        return true
    end
    if self.lock == lockID then
        return true
    end
    return false
end

function Speed:setSpeedMutex(speed, lockID)
    if self:checkAndSetupLock(lockID) then
        self:setSpeed(speed)
    end
end

function Speed:resetSpeedMutex(lockID)
    if self:checkAndReleaseLock(lockID) then
        self:resetSpeed()
    end
end

function Speed:forceReleaseLock()
    self.lock = nil
end

return Speed