async/register.lua

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extended_api.p_loop = {}
extended_api.step = {}
local wield_list = {}
local wield_switch_list = {}
minetest.register_globalstep(function(dtime)
local a1 = extended_api.p_loop
local a2 = extended_api.step
local count1 = #a1
for _, player in pairs(minetest.get_connected_players()) do
for i=1, count1 do
a1[i](dtime, _, player)
end
end
local count2 = #a2
for i=1, count2 do
a2[i](dtime)
end
end)
function extended_api.register_playerloop(func)
table.insert(extended_api.p_loop, func)
end
function extended_api.register_step(func)
table.insert(extended_api.step, func)
end
function extended_api.register_on_wield(itemname, func)
if wield_list[itemname] then
local old = wield_list[itemname]
wield_list[itemname] = function(item, itemname, player)
func(item, itemname, player)
old(item, itemname, player)
end
else
wield_list[itemname] = func
end
end
function extended_api.register_on_wield_switch(itemname, func)
if wield_switch_list[itemname] then
local old = wield_switch_list[itemname]
wield_switch_list[itemname] = function(item, itemname, player)
func(item, itemname, player)
old(item, itemname, player)
end
else
wield_switch_list[itemname] = func
end
end
local wield_timer = 0
local wield_limit = 0.2
local players = {}
local function create_wield_step()
extended_api.register_playerloop(function(dtime, _, player)
if wield_timer < wield_limit then
return
end
local item = player:get_wielded_item()
local item_name = item:get_name()
local pname = player:get_player_name()
local ply = players[pname]
if not ply then
players[pname] = item
local wlf = wield_list[item_name]
if wlf then
wlf(item, item_name, player)
end
elseif ply:get_name() ~= item_name then
local old = ply:get_name()
players[pname] = item
local wlf = wield_switch_list[old]
if wlf then
wlf(item, old, player)
end
wlf = wield_list[item_name]
if wlf then
wlf(item, item_name, player)
end
end
end)
extended_api.register_step(function(dtime)
if wield_timer < wield_limit then
wield_timer = wield_timer + dtime
return
else
wield_timer = 0
end
end)
end
minetest.register_on_leaveplayer(function(player)
players[player:get_player_name()] = nil
end)
create_wield_step()