--[[
item pickup animation script
Author: Feel_Fried
--]]
local skin_anim, harv_usage_snd,enable_take
local ltx = ini_file("items\\items\\anims_loot_list.ltx")

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

function actor_on_first_update()
	RegisterScriptCallback("actor_on_item_take",actor_on_item_take)
	RegisterScriptCallback("actor_on_item_before_pickup",actor_on_item_before_pickup)
	loadsettings()
end

function loadsettings()
	if ui_mcm then
		enable_animations = ui_mcm.get("EA_settings/enable_animations")
		enable_take = ui_mcm.get("EA_settings/take_item_anim")
	else
		enable_animations = ui_options.get("video/player/animations")
		enable_take = true
	end
	enable_multipickup = ui_options.get("control/general/pickup_mode")
end


local anim_plays = nil
local anm_name = "camera_effects\\weapon\\two_handed_weapon_effect.anm"
function actor_on_item_before_pickup(item,flags)
	if (not enable_take) or (not enable_animations) then return end --1 - 10 single press, 50+ - long press
	flags.ret_value = false
	if not anim_plays and not enhanced_animations.used_item then
		game.play_hud_motion(db.actor:active_slot()==0 and 2 or 1, "item_ea_take_hud", "anm_ea_take", true, 1.4)
		game.play_hud_anm(anm_name, 0, 1.4, 1, false)
		CreateTimeEvent("ea_item_take","take_delay",0.65,take_delay,item)
		CreateTimeEvent("ea_item_take","anim_delay",1.33,anim_delay)
		anim_plays = true
	end
end

function anim_delay()
	anim_plays = nil
	return true
end

function take_delay(obj_o)
	local actor = db.actor
	actor:take_item(obj_o)
	if enable_multipickup then
		multipickup(1.5,0.75,actor)
		multipickup(1,0.5,actor)
		multipickup(0.5,0.25,actor)
	end
	printf(obj_o:section() .. " taken with id " .. obj_o:id())
	actor = nil
	return true
end

function multipickup(dist,radius,actor)
	local pos = device().cam_pos
	local dir = device().cam_dir
	pos = pos:add(dir:mul(dist))
	level.iterate_nearest(pos,dist,function(obj)
		if obj:cast_InventoryItem() and (pos:distance_to(obj:position()) <= radius) then
			actor:take_item(obj)
			printf(obj:section() .. " taken with id " .. obj:id())
		end
	end)
	pos,dir = nil
end

function actor_on_item_take(item)
	--mutant loot bag animation
	if enhanced_animations.fake_monster then
		fov_anim_manager.change_fov(0.45)
		enhanced_animations.fake_monster = nil
		level.disable_input()
		local sect = item:section()
		local item_sect_index = ltx:section_exist(sect) and ltx:r_string_ex(sect, "indx"):match("(.+),(.+)") or math.random(14)
		local anim_section_name = "item_ea_harv_meat_"..item_sect_index.."_hud"
		harv_usage_snd = sound_object("interface\\item_usage\\harvest_use_success")
		harv_usage_snd:play(db.actor, 0, sound_object.s2d)
		game.play_hud_motion(2, anim_section_name, "anm_ea_show", true, 0.75)
		level.add_cam_effector("itemuse_anm_effects\\harvest_loot.anm", 8560, false, "")
		CreateTimeEvent("restore_knife", "restor_knife", 1.8 , restore_knife)
		skin_anim = true
		item_sect_index ,anim_section_name ,sect = nil
	end
end



--patching mutant loot dialog close call
function ui_mutant_loot.UIMutantLoot:Close()
	--deleting fake mutant object to prevent bag animation if mutant was empty
	CreateTimeEvent("delete_fake", "delete_fake", 0.2, take_item_anim.delete_fake)
	self:SetMutantState()
	self:HideDialog()
	Unregister_UI("UIMutantLoot")
end

function delete_fake()
	enhanced_animations.fake_monster = nil
	--draw knife if mutant was empty or player just closed dialog without looting anything
	if not skin_anim then
		return_slots()
	end
	return true
end

function restore_knife()
	return_slots()
	skin_anim = nil
	level.enable_input()
	return true
end

function return_slots()
	fov_anim_manager.restore_fov()
	local slot = enhanced_animations.active_slot
	db.actor:activate_slot(slot or 1)
	local device = enhanced_animations.det_active
	if device then device:switch_state(1) end
	device = nil
	slot = nil
end