--玩家输入管理器
local LuaInputManager = {}
local EventSystem = require('Event/EventSystem')
local this = LuaInputManager
local CacheVirtualAngle = 0

local sqrt = math.sqrt
local acos = math.acos
local pi = math.pi
local floor = math.floor
local SpecialCommandType=LuaConst.SpecialCommandType
local newV2=FP.newV2
--键盘控制的旋转速度
local RotatingSpeed = 240

function LuaInputManager.Init()  --在LevelManager的private.InitLevel里被调用，实际命名应该是OnInitLevel
    this.KeyPress = false--当前帧是否按下攻击键

    --当前帧是否放开攻击键
    --这个标志位是为了防止一直按着技能键不放，进入cd后，还能释放
    this.KeyRelease = false

    --当前帧按下的技能按键
    this.KeyPosition = 0

    -- 当前摇杆的幅度是否在一半内(0半摇杆1全摇杆)  ; 其他配合spc的组合
    this.MoveType = 1
    --当前摇杆朝向
    this.FixVirtualMoveDir = newV2(0,0)

    --当前特殊指定
    this.SpecialCommand = 0

    --this.SkillJoystickDirAngle = 3610
    this.UseJoyStickType = LuaConst.UseJoystickType.None
    this.SkillJoystickWorldOffsetX = 0
    this.SkillJoystickWorldOffsetZ = 0
    this.KeyPosResetAfterUse = false
    this.isInSkillCancelArea = false
    this.skillJoystickInterruptFlag = nil

    this.waitingSpecialCommands = {}    --等待响应的specialCommand列表

    EventSystem.Regist(EventID.SendSpecialCommand, LuaInputManager.OnSendSpecialCommand)
end

local function GetAngleFromDir(x,z)
    if x==0 and z==0 then
        return 0
    end
    local cos = (x*z)/(sqrt(x^2+z^2))
    local angle = (acos(cos)*180)/pi
    if (x>=0 and z>=0) then
        angle = angle + 270
    elseif(x>=0 and z<=0)then
        angle = angle
    elseif(x<=0 and z>=0)then
        angle = angle + 180
    elseif(x<=0 and z<=0)then
        angle = angle + 90
    end
    return floor(angle/10)
end

--[[
	Tick
--]]
function LuaInputManager.OnUpdate()
    if #this.waitingSpecialCommands > 0 then
        LuaInputManager.SetSpecialCommand(this.waitingSpecialCommands[1])
    else
        --重置数据
        if this.SpecialCommand == LuaConst.SpecialCommandType.JoystickSetTarget then
            this.KeyPosition = 0
        end
        LuaInputManager.SetSpecialCommand(SpecialCommandType.None)
    end
end

local frameCount = 0
local TEAMLEADER_FORCE_SEND_POS_INTERVAL = 15
--[[
	推动摇杆
--]]

function LuaInputManager.SetKeyboardMoveDir(dx,dy)
    EventSystem.Dispatch(EventID.UI_KeyboardControl_MoveDir,dx,dy)
    --LuaInputManager.SetVirtualMoveDir(x,z)
end

function LuaInputManager.ReleaseCurEntityMoveDir()
    EventSystem.Dispatch(EventID.UI_KeyboardControl_MoveRelease)
end

function LuaInputManager.SetVirtualMoveDir(x,z)
    this.FixVirtualMoveDir:Reset(x, z)
    local tempAngle = GetAngleFromDir(x,z)
    frameCount = frameCount + 1
   
    if tempAngle>0 and tempAngle ~= CacheVirtualAngle or 
        ((CTL.Team.IsTeamLeader(BattleDataGetter.GetAcID()) or MDL.Team.GetFollowIndexByAcid(BattleDataGetter.GetAcID()))
            and frameCount >= TEAMLEADER_FORCE_SEND_POS_INTERVAL) then --如果是队长，或者在组队跟随中，则无脑上传

        CacheVirtualAngle = tempAngle
        --朝向角度改变同步一次位置
        SyncMoveManager.ForceC2SRoleMove()
        frameCount = 0
    end
end

-- 走路摇杆，是否大于一半
function LuaInputManager.SetVirtualMoveHalf(isHalfStretch)
    if this.MoveType <= LuaConst.CmdMoveTypeBaseEnum.HalfStretchMax then -- 如果有特殊的cmd用了MoveType则其值一定大于HalfStretchMax 。原因filtermanager中特殊cmd优先级大于移动摇杆，移动功能不会执行的。
        this.MoveType = isHalfStretch and 0 or 1
    end    
end

function LuaInputManager.SetSkillJoystickInfo(worldOffsetX, worldOffsetZ, specialCommand)
    --this.SkillJoystickDirAngle = math.floor(dirAngle  * 10 + 0.5)
    this.SkillJoystickWorldOffsetX = floor(worldOffsetX  * 100 + 0.5)
    this.SkillJoystickWorldOffsetZ = floor(worldOffsetZ  * 100 + 0.5)
    -- logging.error(LTAG.ERROR, "HYW : SetSkillJoystickInfo : ", tostring(dirAngle),
    --     " , ", tostring(this.SkillJoystickWorldOffsetX), " , ", tostring(this.SkillJoystickWorldOffsetZ))
    if specialCommand then
        LuaInputManager.SetSpecialCommand(specialCommand)
    end
end

function LuaInputManager.CmdRunToPosByIndex(index)
    LuaInputManager.EnqueueSpecialCommand(SpecialCommandType.RunToPosByIndex)
    this.posIndex = index
end

function LuaInputManager.GetPosIndex()
    return this.posIndex
end

function LuaInputManager.StepOnAccelerator()
    this.UseJoyStickType = LuaConst.UseJoystickType.DriveAccelerator
end

function LuaInputManager.ReleaseAccelerator()
    this.UseJoyStickType = LuaConst.UseJoystickType.None
end

function LuaInputManager.ClearSkillJoystickInfo()
    --this.SkillJoystickDirAngle = 3610
    this.SkillJoystickWorldOffsetX = 0
    this.SkillJoystickWorldOffsetZ = 0
end

--[[
	按下键盘
--]]

function LuaInputManager.PressKeyboard(key)
    if key < 20 then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Skill_Press,key)
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_TEAM_MIDDLE then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Switch_Team,2)
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_TEAM_REAR then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Switch_Team,3)
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_SETTINGS then
        LuaInputManager.PressSettingKey()
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_ENTER then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Enter)
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_ROTATECAMERA_LEFT then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Rotating, -RotatingSpeed * Time.deltaTime, 0)
    elseif key == LuaConst.KeyMapEnum.EW_KEYMAP_ROTATECAMERA_RIGHT then
        EventSystem.Dispatch(EventID.UI_KeyboardControl_Rotating, RotatingSpeed * Time.deltaTime, 0)
    end
end

local rotateVec = Vector2.New(0, 0)
function LuaInputManager.RotatingCameraByManual(speed)
    rotateVec.x = speed
    CameraController.Instance:RotatingByManual(rotateVec); 
end
--[[
    反馈攻击事件
--]]

function LuaInputManager.PressAttackKey(key)
    this.KeyPress = true
    LuaInputManager.SetKeyPosition(key)
end

function LuaInputManager.TryKeyPosResetAfterUse(entity, skillID)
    if entity:IsPlayerSelf() then
        if skillID > 0 then
            local skillData = entity:GetSkillData(skillID)
            if skillData.KeyPosition == LuaInputManager.KeyPosition then
                LuaInputManager.SetKeyPosition(0, false)
            end
        end
    end
end

function LuaInputManager.SetKeyPosition(key, needResetAfterUse)
    this.KeyPosition = key
    if this.KeyPosition > 0 then
        this.KeyRelease = false
    end
    this.KeyPosResetAfterUse = needResetAfterUse
end
--[[
	松开键盘
--]]
function LuaInputManager.ReleaseKeyboard(key)
    EventSystem.Dispatch(EventID.UI_KeyboardControl_Skill_Release,key)
end

--[[
    反馈松开事件
--]]
function LuaInputManager.ReleaseAttackKey()
    this.KeyRelease = true
end

function LuaInputManager.ReleaseAttackKeyIfPressing(keyPostion)
    if this.KeyPosition == keyPostion and this.KeyRelease == false then
        this.KeyRelease = true
    end
end

function LuaInputManager.ReleaseAttackKeyHard()
    this.KeyPress = false
    LuaInputManager.SetKeyPosition(0)
    this.KeyRelease = true
end

--[[
	按下副将技
--]]
function LuaInputManager.PressAdjutantKey()
    LuaInputManager.SetSpecialCommand(SpecialCommandType.Adjutant)
end

--[[
	按下计略技能
--]]
function LuaInputManager.PressStratagemKey()
    LuaInputManager.SetSpecialCommand(SpecialCommandType.Stratagem)
end

--[[
	按下道具按键
--]]
function LuaInputManager.PressBattlePropKey(btnIndex)
    LuaInputManager.SetSpecialCommand(SpecialCommandType.UseBattleProp)
    LuaInputManager.SetMoveType(btnIndex + LuaConst.CmdMoveTypeBaseEnum.UseBattlePropBase)
end

--- 肉鸽按下了选择某技能
function LuaInputManager.PressRogueSkillSelect(btnIndex)
    LuaInputManager.SetSpecialCommand(SpecialCommandType.RogueLikeSelect)
    LuaInputManager.SetMoveType(btnIndex + LuaConst.CmdMoveTypeBaseEnum.RogueLikeSelectBase)
end

function LuaInputManager.PressBuffSkillKey(buffSkillBtnIndex)
    LuaInputManager.SetSpecialCommand(SpecialCommandType["BuffSkill" .. buffSkillBtnIndex])
end

--[[
    按下进入驾驶键
--]]
function LuaInputManager.PressDriveKey()
    LuaInputManager.SetSpecialCommand(SpecialCommandType.InDrive)
end

--[[
    按下离开驾驶键
--]]
function LuaInputManager.PressOffDriveKey()
    LuaInputManager.SetSpecialCommand(SpecialCommandType.OffDrive)
end

function LuaInputManager.PressAutoFightBtn()
    LuaInputManager.SetSpecialCommand(SpecialCommandType.AutoFight)
end

function LuaInputManager.PressSelectBornItemIndex(index)
    LuaInputManager.SetSpecialCommand(SpecialCommandType.SetBornItemIDByIndex)
    LuaInputManager.SetMoveType(index)
end

-- 相机锁定某人的处理（entityID 大约0 锁定 ；等于0 结束锁定）
function LuaInputManager.CameraLockTarget(entityID)
    LuaInputManager.SetSpecialCommand(SpecialCommandType.CameraLockTarget)
    local shortNum = LuaConst.BinaryFlag.MaxShort
    local low = entityID % shortNum
    local high = (entityID - low) / shortNum
    this.SkillJoystickWorldOffsetX = high
    this.SkillJoystickWorldOffsetZ = low
end

function LuaInputManager.SetSpecialCommand(cmdType)
    this.SpecialCommand = cmdType
end

function LuaInputManager.GetSpecialCommand()
    return this.SpecialCommand
end

--把SpecialCommand加入队列，由LuaInputManager保证这个command在关卡没有结束的情况下一定被Filter
function LuaInputManager.EnqueueSpecialCommand(cmdType)
    this.waitingSpecialCommands[#this.waitingSpecialCommands + 1] = cmdType
end

function LuaInputManager.OnSendSpecialCommand(cmdType)
    if this.waitingSpecialCommands[1] == cmdType then
        table.remove(this.waitingSpecialCommands, 1)
    end
end

function LuaInputManager.SetMoveType(moveType)
    this.MoveType = moveType
end
--[[
	在遍历前，设置输入信息
--]]
function LuaInputManager.SetInputBeforeTraversal()
    --在之前的逻辑帧按下，在当前逻辑帧放开
    if not this.KeyPress and this.KeyRelease and not this.KeyPosResetAfterUse then
        LuaInputManager.SetKeyPosition(0)
    end
end

--[[
	在遍历后，设置输入信息
--]]
function LuaInputManager.SetInputAfterTraversal()
    --在当前逻辑帧放开
    if this.KeyRelease and not this.KeyPosResetAfterUse then
        LuaInputManager.SetKeyPosition(0)
    end
    
    --重置
    this.KeyPress = false
    this.KeyRelease = false
end

function LuaInputManager.SetIsInSkillCancelArea(isInSkillCancelArea)
    this.isInSkillCancelArea = isInSkillCancelArea
end

function LuaInputManager.SetSkillJoystickInterruptFlag(value)
    this.skillJoystickInterruptFlag = value
end

function LuaInputManager.GetSkillJoystickInterruptFlag()
    return this.skillJoystickInterruptFlag
end

function LuaInputManager.GetIsInSkillCancelArea()
    return this.isInSkillCancelArea
end

function LuaInputManager.ShowExitGameMessageBox()
    --登录界面退出的时候，还没有初始化BattleDataGetter
    if BattleDataGetter and BattleDataGetter.GetCurLevelType() == LuaConst.LevelType.NORMAL then
        CTL.Setting.BackToTown()
    else
        if BattleDataGetter and BattleDataGetter.IsStandaloneBattleLevel() then
            UTL.MessageBox.ShowSettingOKCancelBox("", UIUtils.GetLocalizedTxt(Const_IDS.IDS_QUIT_PROMPT), 
            function()
                SDKUtil.ExitForce()
            end, nil, nil, nil, UTL.MessageBox.DisplayType.ExitGameTip)
        else    
            UTL.MessageBox.ShowOKCancelBox("", UIUtils.GetLocalizedTxt(Const_IDS.IDS_QUIT_PROMPT), 
            function()
                SDKUtil.ExitForce()
            end, nil, nil, nil, UTL.MessageBox.DisplayType.ExitGameTip)
        end
    end
end

function LuaInputManager.ScalingCameraByManual(isEnlarge)
    EventSystem.Dispatch(EventID.Camera_ScalingCameraByManual, isEnlarge)
    
end

function LuaInputManager.PressSettingKey()
    local levelData = LevelManager.GetCurInfoData()
    local levelFeatureType = DataSheetManager.LevelFeatureData:GetDataByLevelFeatureID(levelData.LevelType).LevelFeatureType
    --即 主城，动态主城，战区静态主城，战区动态主城
    if levelFeatureType <=  LuaConst.LevelFeatureType.CrossDynamicTown then
        if not UIManager.IsViewOpened(Const_UI_Lua.UIEnum.UISettingMainPanel) then
            UIManager.OpenView(Const_UI_Lua.UIEnum.UISettingMainPanel)
        end
    end
end
return LuaInputManager