mods/jetpack/init.lua

   1 minetest.register_tool("jetpack:jetpack",{
   2     description = "Jetpack",
   3
   4     groups = {chestplate = 1,},
   5     inventory_image = "jetpack_item.png",
   6     stack_max = 1,
   7     wearing_texture = "jetpack.png",
   8     tool_capabilities = {
   9         full_punch_interval = 0,
  10         max_drop_level = 0,
  11         groupcaps = {
  12         },
  13         damage_groups = {
  14
  15         },
  16         punch_attack_uses = 0,
  17     }
  18 })
  19
  20 local sound_handling_loop = {}
  21
  22 minetest.register_globalstep(function(dtime)
  23     for _,player in ipairs(minetest.get_connected_players()) do
  24         local player_name = player:get_player_name()
  25         if player:get_hp() > 0 then
  26             if player:get_player_control().jump or player:get_player_control().sneak then
  27                 local inv = player:get_inventory()
  28                 local stack = inv:get_stack("armor_torso",1)
  29                 local name = stack:get_name()
  30                 if name ~= "" and name == "jetpack:jetpack" then
  31                     --boost
  32                     if player:get_player_control().jump and player:get_player_velocity().y < 20 then
  33                         player:add_player_velocity(vector.new(0,1,0))
  34                     --hover
  35                     elseif player:get_player_control().sneak then
  36                         local currentvel = player:get_player_velocity()
  37                         local goal = 8.1
  38                                     local acceleration = vector.new(0,goal-currentvel.y,0)
  39                                     acceleration = vector.multiply(acceleration, 0.05)
  40                                     player:add_player_velocity(acceleration)
  41                     end
  42
  43                     local particle_pos = player:get_pos()
  44                     local yaw = player:get_look_horizontal()
  45                     local p_dir = vector.divide(minetest.yaw_to_dir(yaw + math.pi),8)
  46                     particle_pos.y = particle_pos.y + 0.7
  47                     particle_pos = vector.add(particle_pos,p_dir)
  48
  49
  50                     minetest.add_particle({
  51                                                 pos = particle_pos,
  52                                                 velocity = {x=0, y=-20+player:get_player_velocity().y , z=0},
  53                                                 acceleration = {x=math.random(-1,1), y=0, z=math.random(-1,1)},
  54                                                 expirationtime = 1+math.random(),
  55                                                 size = 1+math.random(),
  56                                                 texture = "smoke.png",
  57                                         })
  58                     stack:add_wear(10)
  59                     inv:set_stack("armor_torso", 1, stack)
  60
  61                     if not sound_handling_loop[player_name] then
  62                         sound_handling_loop[player_name] = minetest.sound_play("jetpack", {object = player,loop=true})
  63                     end
  64
  65                     if inv:get_stack("armor_torso",1):get_name() == "" then
  66                         recalculate_armor(player)
  67                         set_armor_gui(player)
  68                         if sound_handling_loop[player_name] then
  69                             --minetest.sound_play("armor_break",{to_player=player:get_player_name(),gain=1,pitch=math.random(80,100)/100})
  70                             --minetest.sound_stop(sound_handling_loop[player_name])
  71                             minetest.sound_fade(sound_handling_loop[player_name], -1, 0)
  72                             sound_handling_loop[player_name] = nil
  73                         end
  74                     end
  75                 end
  76             elseif sound_handling_loop[player_name] then
  77                 minetest.sound_stop(sound_handling_loop[player_name])
  78                 sound_handling_loop[player_name] = nil
  79             end
  80         end
  81     end
  82 end)
  83
  84 minetest.register_craft({
  85     output = "jetpack:jetpack",
  86     recipe = {
  87         {"main:iron"           , "main:gold"    , "main:iron"          },
  88         {"main:iron"           , "main:diamond" , "main:iron"          },
  89         {"redstone:piston_off" , "redstone:dust", "redstone:piston_off"}
  90     }
  91 })