--[[
#-----------------------------------------------------------------------------#
----*                    MTA DayZ: backpack_player.lua                    *----
----* Original Author: Marwin W., Germany, Lower Saxony, Otterndorf        *----
----* This gamemode is being developed by L, CiBeR96, 1B0Y                *----
----* Type: SERVER                                                        *----
#-----------------------------------------------------------------------------#
]]

function addBackpackToPlayer(player,slots)
    local source = player
    local x,y,z = getElementPosition(source)
    local rx,ry,rz = getElementRotation(source)
    if slots == 8 then
        elementBackpack[source] = createObject(3026,x,y,z) -- Patrol Pack
    elseif slots == gameplayVariables["assaultpack_slots"] then
        elementBackpack[source] = createObject(1644,x,y,z) -- Assault Pack (ACU)
    elseif slots == gameplayVariables["czechvest_slots"] then
        elementBackpack[source] = createObject(1248,x,y,z) -- Czech Vest Pouch
    elseif slots == gameplayVariables["alice_slots"] then
        elementBackpack[source] = createObject(2382,x,y,z) -- ALICE Pack
    elseif slots == gameplayVariables["survival_slots"] then
        elementBackpack[source] = createObject(1314,x,y,z) -- Survival ACU
    elseif slots == gameplayVariables["britishassault_slots"] then
        elementBackpack[source] = createObject(1318,x,y,z) -- British Assault Pack
    elseif slots == gameplayVariables["coyote_slots"] then
        elementBackpack[source] = createObject(1252,x,y,z) -- Backpack (Coyote)
    elseif slots == gameplayVariables["czech_slots"] then
        elementBackpack[source] = createObject(1575,x,y,z) -- Czech Backpack
    elseif slots > gameplayVariables["czech_slots"] then
        return
    end
    if slots == gameplayVariables["czech_slots"] then
        attachElementToBone(elementBackpack[source],source,3,0,-0.16,0.05,270,0,180)
    else
        attachElementToBone(elementBackpack[source],source,3,0,-0.225,0.05,90,0,0)
    end    
end
--addEventHandler ("onElementDataChange", root, addBackpackToPlayer)

function backpackRemoveQuit ()
    if getElementData(source,"isDead") then return end
    if elementBackpack[source] then
        detachElementFromBone(elementBackpack[source])
        destroyElement(elementBackpack[source])
    end
    if elementWeaponBack[source] then
        detachElementFromBone(elementWeaponBack[source])
        destroyElement(elementWeaponBack[source])    
        elementWeaponBack[source] = false
    end    
end
addEventHandler ( "onPlayerQuit", getRootElement(), backpackRemoveQuit )

elementWeaponBack = {}
function weaponSwitchBack ( previousWeaponID, currentWeaponID )
    local weapon1 = playerStatusTable[source]["currentweapon_1"]
    if not weapon1 then return end
    local ammoData1,weapID1 = getWeaponAmmoFromName(weapon1)
    local x,y,z = getElementPosition(source)
    local rx,ry,rz = getElementRotation(source)
    if previousWeaponID == weapID1 then
        if elementWeaponBack[source] then
            detachElementFromBone(elementWeaponBack[source])
            destroyElement(elementWeaponBack[source])
            elementWeaponBack[source] = false
        end
        elementWeaponBack[source] = createObject(getWeaponObjectID(weapID1),x,y,z)
        setObjectScale(elementWeaponBack[source],0.875)
        if elementBackpack[source] then
            if weapID1 == 8 then
                attachElementToBone(elementWeaponBack[source],source,3,0.19,-0.25,-0.1,0,0,90)
            else
                attachElementToBone(elementWeaponBack[source],source,3,0.19,-0.31,-0.1,0,270,-90)
            end
        else
            if weapID1 == 8 then
                attachElementToBone(elementWeaponBack[source],source,3,-0.19,-0.11,-0.1,0,0,90)
            else
                attachElementToBone(elementWeaponBack[source],source,3,0.19,-0.11,-0.1,0,270,10)
            end
        end
    elseif currentWeaponID == weapID1 then
        detachElementFromBone(elementWeaponBack[source])
            if elementWeaponBack[source] then
                destroyElement(elementWeaponBack[source])
            end
        elementWeaponBack[source] = false
    end
end
addEventHandler ( "onPlayerWeaponSwitch", getRootElement(), weaponSwitchBack )

function removeBackWeaponOnDrop ()
    if elementWeaponBack[source] then
        detachElementFromBone(elementWeaponBack[source])
        destroyElement(elementWeaponBack[source])    
        elementWeaponBack[source] = false
    end
end
addEvent("removeBackWeaponOnDrop",true)
addEventHandler("removeBackWeaponOnDrop",getRootElement(),removeBackWeaponOnDrop)

function removeAttachedOnDeath ()
    if elementBackpack[source] and playerStatusTable[source]["MAX_Slots"] ~= 8 then
        detachElementFromBone(elementBackpack[source])
        destroyElement(elementBackpack[source])
    end
    if elementWeaponBack[source] then
        detachElementFromBone(elementWeaponBack[source])
        destroyElement(elementWeaponBack[source])    
        elementWeaponBack[source] = false
    end    
end
addEventHandler("killDayZPlayer",getRootElement(),removeAttachedOnDeath)