MineClone2Client/sprint.lua

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Lua
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2021-03-05 09:25:30 +01:00
-- set up our initial values
local running = false
local run_discharge_timer = 0
local old_up = false
local channel
local channel_name
-- receive the server states
minetest.register_on_modchannel_message(function(cname, sender, message)
if sender == "" and cname == channel_name then
running = false
run_discharge_timer = 0
end
end)
-- check player's input on the "up" key
minetest.register_globalstep(function(dtime)
local player = minetest.localplayer
if not player then
return
elseif not channel then
channel_name = "mcl_sprint:" .. player:get_name()
channel = minetest.mod_channel_join(channel_name)
end
local old_running = running
local control = player:get_control()
local velocity = player:get_velocity()
local last_velocity = player:get_last_velocity()
-- cancel running if the player bumps into something
if running and (velocity.x == 0 and last_velocity.x ~= 0 or velocity.z == 0 and last_velocity.z ~= 0) then
running = false
run_discharge_timer = 0
end
-- reset the run flag
if running and (not control.up or control.sneak or control.down) then
running = false
end
-- half second window to double tap running
if run_discharge_timer > 0 then
run_discharge_timer = run_discharge_timer - dtime
-- initialize double tap run
if not old_up and control.up == true and velocity.x ~= 0 and velocity.z ~= 0 then
run_discharge_timer = 0
running = true
end
end
-- check if new input of walking forwards
if control.up and not control.down and not control.sneak and not old_up and not running and run_discharge_timer <= 0 then
run_discharge_timer = 0.2
end
-- add this here so the player can sneak
if control.sneak then
running = false
run_discharge_timer = 0
end
-- only send if state has changed
if running ~= old_running then
channel:send_all(running and "true" or "false")
end
old_up = control.up
end)