local fov_manager = outfit_animations_fov_manager
local mcm_allow_movement = outfit_animations_mcm.get_config("allow_movement")



function on_game_start()
	RegisterScriptCallback("on_option_change", on_option_change)
end


function on_option_change()
	mcm_allow_movement = outfit_animations_mcm.get_config("allow_movement")
end
------------------------------------------------------------------------------
-- main
------------------------------------------------------------------------------
local anm_info = nil --it's he cuz of stalke engine magic that I don't know
local cur_slot
local det_active
function play_animation_delayed(obj, is_equip, callback)

	--prepare
    Invoke("play_backpack_animation_te0", 0.01, function ()
		hide_hud_inventory()
		cur_slot = db.actor:active_slot()
		det_active = db.actor:active_detector() or nil
		if det_active then det_active:switch_state(2) end
		db.actor:activate_slot(0)
		if headgear_animations then headgear_animations.enable_animations = false end
	end)
	
	wait_for_free_hands(function()
		--play
		fov_manager.restore_fov()
		if mcm_allow_movement then game.only_allow_movekeys(true) else level.disable_input() end
		
		local anm_info = select_animation(obj, is_equip)
        local delay = 0.25
        local length = 0
        length = length + game.get_motion_length(anm_info.section_name, anm_info.anm, 1) / 1000
		Invoke("play_backpack_animation_te1", delay, function()
            xr_effects.play_snd(db.actor, nil, {[1] = anm_info.snd})
            level.add_cam_effector(anm_info.cam, 1300, false, "")
            game.play_hud_motion(2, anm_info.section_name, anm_info.anm, false, 1)
        end)

    	--restore
		Invoke("play_backpack_animation_te2", delay + length + 0.25, function()
			callback() -- perform inventory ui action
			if mcm_allow_movement then game.only_allow_movekeys(false) else level.enable_input() end
			if headgear_animations then headgear_animations.enable_animations = true end
			-- db.actor:activate_slot(cur_slot or 0)
            -- if det_active then det_active:switch_state(1) end
		end)
	end)
end


function select_animation(obj, is_equip)
	--select backpack texture based on faction, like in fdda
	local faction = character_community(db.actor):sub(7)
	local m_section = is_equip and "outfit_animation_backpack_equip" or "outfit_animation_backpack_unequip"
	m_section = m_section .. "_" .. faction .. "_hud"
	local m_animation = "anm_use"

	return {
		section_name = m_section,
		anm = m_animation,
		cam = ini_sys:r_string_ex(m_section, "cam"),
		snd = ini_sys:r_string_ex(m_section, "snd")
	}
end


function wait_for_free_hands(action_to_perform)
	local force_timer = 0
	CreateTimeEvent("outfit_animations", "wait_for_free_hands_te0", 0.1, function()
		if (db.actor:active_slot() == 0 and not db.actor:active_detector() and not enhanced_animations.used_item) or (force_timer > 5) then
			Invoke("wait_for_free_hands_te1", 0, action_to_perform) --i don understan y this works on 1.5.1 (ノへ￣、)
			return true
        end
		force_timer = force_timer + (device().time_delta/1000)
		return false
	end)
end


function Invoke(name, time, action)
	CreateTimeEvent("outfit_animations", name, time, function()
		action()
		return true
	end)
end