local ExpBatchSystem = {}

local lastTransDic = {}
local lastPetTransDic = {}

--批量应用单位的表现数据
local batchPosDirCount = 0
local batchPosDirData = LuaExt.CreateTable(128 * 6)
local batchEffectCount = 0
local batchEffectData = LuaExt.CreateTable(32 * 7)
local batchHitEffectCount = 0
local batchHitEffectData = LuaExt.CreateTable(32 * 10)

local CSExt=CSExt
local FP=FP

--每个位置有5个参数需要同步
local function BatchPosDir(entity, px, pz, dx, dz)
    local start = batchPosDirCount * 5
    batchPosDirCount = batchPosDirCount + 1
    batchPosDirData[start + 1], batchPosDirData[start + 2], batchPosDirData[start + 3],
    batchPosDirData[start + 4], batchPosDirData[start + 5]
        = entity, px, pz, dx, dz
end

--每个特效有2个参数需要同步
function ExpBatchSystem.BatchEffect(entity, effectId, mainPlayerSelf, characterType, timeScale, layer, dontPlayMusouShow)
    local start = batchEffectCount * 7
    batchEffectCount = batchEffectCount + 1
    batchEffectData[start + 1], batchEffectData[start + 2], batchEffectData[start + 3],
    batchEffectData[start + 4], batchEffectData[start + 5], batchEffectData[start + 6], batchEffectData[start + 7]
        = entity, effectId, mainPlayerSelf, characterType, timeScale, layer, dontPlayMusouShow
end

--处理Hit特效同步
function ExpBatchSystem.BatchHitEffect(entity, effectId, playerSelf, characterType, timeScale, duration, fx, fz, hitSoundLevel, isNotPlayHitSound)
    local start = batchHitEffectCount * 10
    batchHitEffectCount = batchHitEffectCount + 1
    batchHitEffectData[start + 1], batchHitEffectData[start + 2], batchHitEffectData[start + 3], batchHitEffectData[start + 4], batchHitEffectData[start + 5], 
    batchHitEffectData[start + 6], batchHitEffectData[start + 7], batchHitEffectData[start + 8], batchHitEffectData[start + 9], batchHitEffectData[start + 10]
    = entity, effectId, playerSelf, characterType, timeScale, duration, fx, fz, hitSoundLevel, isNotPlayHitSound
end

function ExpBatchSystem.RemoveEntityBatchEffect(renderEntity, effectId)
    for i = batchEffectCount - 1, 0, -1 do
        local index = i * 7
        if batchEffectData[index + 1] == renderEntity and batchEffectData[index + 2] == effectId then
            batchEffectCount = batchEffectCount - 1
            local endIndex = batchEffectCount * 7
            for j = 1, 7 do
                batchEffectData[index + j] = batchEffectData[endIndex + j]
                batchEffectData[endIndex + j] = nil
            end
        end
    end
end

function ExpBatchSystem.RemoveEntityAllBatchEffect(renderEntity)
    for i = batchEffectCount - 1, 0, -1 do
        local index = i * 7
        if batchEffectData[index + 1] == renderEntity then
            batchEffectCount = batchEffectCount - 1
            local endIndex = batchEffectCount * 7
            for j = 1, 7 do
                batchEffectData[index + j] = batchEffectData[endIndex + j]
                batchEffectData[endIndex + j] = nil
            end
        end
    end

    for i = batchHitEffectCount - 1, 0, -1 do
        local index = i * 10
        if batchHitEffectData[index + 1] == renderEntity then
            batchHitEffectCount = batchHitEffectCount - 1
            local endIndex = batchHitEffectCount * 10
            for j = 1, 10 do
                batchHitEffectData[index + j] = batchHitEffectData[endIndex + j]
                batchHitEffectData[endIndex + j] = nil
            end
        end
    end
end

function ExpBatchSystem.ChangeBatchEffectTimeScale(renderEntity, timeScale)
    for i = 0, batchEffectCount - 1 do
        local index = i * 7
        if batchEffectData[index + 1] == renderEntity then
            batchEffectData[index + 5] = timeScale
        end
    end
end

--批量应用单位的表现数据
function ExpBatchSystem.BatchApplyData()
    if batchPosDirCount > 0 or batchEffectCount > 0 or batchHitEffectCount > 0 then
        CSExt.BatchApplyExpData(batchPosDirCount, batchPosDirData, batchEffectCount, batchEffectData, batchHitEffectCount, batchHitEffectData)

        for i = #batchPosDirData, 1, -1 do
            batchPosDirData[i] = nil
        end
        batchPosDirCount = 0

        for i = #batchEffectData, 1, -1 do
            batchEffectData[i] = nil
        end
        batchEffectCount = 0


        for i = #batchHitEffectData, 1, -1 do
            batchHitEffectData[i] = nil
        end
        batchHitEffectCount = 0
    end
end

function ExpBatchSystem.BatchEntities(entityDic)
    --filter trans
    for k, entity in pairs(entityDic) do
        if entity.needBatchPosDir then -- 做优化时添加的标记
            local last = lastTransDic[entity]
            if last then
                local move = entity.components.move
                local currPos, currDir = move.LogicPos, move.LogicRotateDir
                local lastPos, lastDir = last[1], last[2]
                if lastPos ~= currPos or lastDir ~= currDir then
                    local posX,posZ = FP.tonumberV2(currPos)
                    local dirX,dirZ = FP.tonumberV2(currDir)
                    lastPos:Reset(currPos)
                    lastDir:Reset(currDir)
                    local expEntity = entity.ExpEntity
                    BatchPosDir(expEntity.RenderEntity, posX, posZ, dirX, dirZ)
                    -- 子模型跟着旋转
                    if expEntity.SubRenderEntityList then
                        local renderPosList = expEntity:GetSubRenderEntityOffsetList()
                        for i,renderEntity in ipairs(expEntity.SubRenderEntityList) do
                            local offsetx = renderPosList[i*2-1]
                            local offsetz = renderPosList[i*2]
                            BatchPosDir(renderEntity, posX + offsetx, posZ + offsetz, dirX, dirZ)
                        end
                    end
                end
            end
        end
    end
    ExpBatchSystem.BatchPetEntities()
end

function ExpBatchSystem.SetEntityTrans(entity,pos,dir)
    local last = lastTransDic[entity]
    if last then
        last[1]:Reset(pos)
        last[2]:Reset(dir)
    else
        lastTransDic[entity] = {pos:cloneV2(),dir:cloneV2()}
    end
end

function ExpBatchSystem.RemoveEntity(entity)
    local last = lastTransDic[entity]
    if last then
        FP.releaseV2(last[1])
        FP.releaseV2(last[2])
        lastTransDic[entity] = nil
    end
end

function ExpBatchSystem.SetPetEntityTrans(petRenderEntity,  posX, posZ, dirX, dirZ)
    local last = lastPetTransDic[petRenderEntity]
    if last then
        last[1] = posX
        last[2] = posZ
        last[3] = dirX
        last[4] = dirZ
        last[5] = true
    else
        lastPetTransDic[petRenderEntity] = {posX, posZ, dirX, dirZ, true}
    end
end

function ExpBatchSystem.BatchPetEntities()
    for petRenderEntity,info in pairs(lastPetTransDic) do
        if info[5] then
            info[5] = false
            BatchPosDir(petRenderEntity, info[1], info[2], info[3], info[4])
        end
    end
end

function ExpBatchSystem.RemovePetRenderEntity(petRenderEntity)
    local last = lastPetTransDic[petRenderEntity]
    if last then
        lastPetTransDic[petRenderEntity] = nil
    end
end

return ExpBatchSystem