player_input.lua

   1 --0 is nothing
   2 --1 is up
   3 --2 is down
   4 --4 is left
   5 --8 is right
   6 --16 is jump
   7 --32 is auxilary
   8 --64 is sneak
   9 --128 is left click
  10 --256 is right click
  11
  12 --make the data from get_key_pressed usable
  13 --Thanks Thou shalt use my mods!
  14 function minetest.get_control_bits(player)
  15         local input = player:get_key_pressed()
  16         local input_table = {}
  17         --iterate through the table using the highest value first
  18         local keys = {"rightclick","leftclick","sneak","aux","jump","right","left","down","up"}
  19         for index,data in pairs(keys) do
  20                 local modifier = math.pow(2, 9-index)
  21                 if input >= modifier then
  22                         input_table[data] = true
  23                         input = input - modifier
  24                 else
  25                         input_table[data] = false
  26                 end
  27         end
  28         return(input_table)
  29 end
  30
  31 --double tap running
  32
  33 --set up our initial values
  34 local running = false
  35 local run_discharge_timer = 0
  36 local old_up = false
  37 local sneak = false
  38 local old_sneak = false
  39 bunny_hop = false
  40
  41 --attempt to tell the server to allow us to run
  42 local send_server_movement_state = function(state)
  43         player_movement_state:send_all(state)
  44 end
  45
  46 --receive the server states
  47 minetest.register_on_modchannel_message(function(channel_name, sender, message)
  48         if channel_name == "player.player_movement_state" then
  49                 running = message
  50         end
  51 end)
  52
  53 --check player's input on the "up" key
  54 minetest.register_globalstep(function(dtime)
  55         if not minetest.localplayer then
  56                 return
  57         end
  58         local input = minetest.get_control_bits(minetest.localplayer)
  59         local vel = minetest.localplayer:get_velocity().y
  60         local oldvel = minetest.localplayer:get_last_velocity().y
  61
  62         --reset the run flag
  63         if running == true and (input.up == false or input.sneak == true or input.down == true) then
  64                 running = false
  65                 bunny_hop = false
  66                 send_server_movement_state("0")
  67         end
  68
  69         --add this here so the player can sneak
  70         if input.sneak == true then
  71                 sneak = true
  72         end
  73
  74         --stop bunnyhopping on land
  75         if bunny_hop == true and vel == 0 and oldvel < 0 then
  76                 bunny_hop = false
  77         end
  78
  79         --check if need to tell server to bunnyhop
  80         if running == true and vel > 0 and input.jump == true and bunny_hop == false then
  81                 send_server_movement_state("2")
  82                 bunny_hop = true
  83         elseif bunny_hop == false then
  84                 if running == true then
  85                         send_server_movement_state("1")
  86                         bunny_hop = false
  87                 elseif sneak == true then
  88                         send_server_movement_state("3")
  89                         bunny_hop = false
  90                 else
  91                         send_server_movement_state("0")
  92                 end
  93         end
  94
  95
  96
  97
  98         --set the sneak state
  99         if sneak == true and old_sneak == false then
 100                 send_server_movement_state("3")
 101         elseif input.sneak == false and old_sneak == true then
 102                 sneak = false
 103                 send_server_movement_state("0")
 104         end
 105
 106         --half second window to double tap running
 107         if run_discharge_timer > 0 then
 108                 run_discharge_timer = run_discharge_timer - dtime
 109                 if run_discharge_timer <= 0 then
 110                         run_discharge_timer = 0
 111                 end
 112                 --initialize double tap run
 113                 if old_up == false and input.up == true then
 114                         run_discharge_timer = 0
 115                         running = true
 116                         --print("running toggle on")
 117                         send_server_movement_state("1")
 118                 end
 119         end
 120         --check if new input of walking forwards
 121         if input.up and input.down == false and input.sneak == false and old_up == false and running == false and run_discharge_timer <= 0 then
 122                 run_discharge_timer = 0.2
 123         end
 124         --save old value
 125         old_up = input.up
 126         old_sneak = input.sneak
 127 end)