init, changed a few things for GEIGERnet-Server, added sounds for receiving RDS message

init.lua

@@ -0,0 +1,101 @@
+local modpath = minetest.get_modpath("ham_radio")
+local mod_storage = minetest.get_mod_storage()
+
+ham_radio = rawget(_G, "ham_radio") or {}
+
+ham_radio = {
+  playerhuds = {},
+  player_rds = {},
+  receiver_rds = {},
+  is_receiver_wielded = {},
+  transmitters = {},
+}
+
+function ham_radio.find_transmitters(frequency)
+  local transmitter_list = {}
+  local all_transmitters = mod_storage:to_table().fields
+  for key, transmitter_data in pairs(all_transmitters) do
+    local transmitter = minetest.parse_json(transmitter_data)
+    if transmitter.frequency == frequency then
+      transmitter_list[key] = transmitter
+    end
+  end
+  return transmitter_list
+end
+
+function ham_radio.save_transmitter(pos, meta)
+  local transmitter_properties = {
+    frequency = meta:get_string("frequency"),
+    rds_message = meta:get_string("rds_message"),
+    operated_by = meta:get_string("operated_by")
+  }
+  local key = minetest.pos_to_string(pos, 0)
+  mod_storage:set_string(key, minetest.write_json(transmitter_properties)) -- storage
+end
+
+function ham_radio.delete_transmitter(pos)
+  local key = minetest.pos_to_string(pos, 0)
+  mod_storage:set_string(key, '') -- storage
+end
+
+function ham_radio.play_tuning_sound(player)
+  minetest.sound_play(
+    {name = "ham_radio_tuning"..math.random(1,5)},
+    {to_player = player:get_player_name()}
+  )
+end
+
+function ham_radio.play_rds_sound(player)
+  minetest.sound_play(
+    {name = "ham_radio_rds_msg"},
+    {to_player = player:get_player_name()}
+  )
+end
+
+function ham_radio.errormsg(player, message)
+  minetest.chat_send_player(player:get_player_name(), minetest.colorize("#FCAD00", message))
+end
+
+dofile(modpath.."/config.lua")
+
+dofile(modpath.."/helpers.lua")
+dofile(modpath.."/craft.lua")
+dofile(modpath.."/digiline.lua")
+dofile(modpath.."/transmitter.lua")
+dofile(modpath.."/receiver.lua")
+dofile(modpath.."/beacon.lua")
+dofile(modpath.."/rds.lua")
+dofile(modpath.."/receiver_station.lua")
+dofile(modpath.."/hud.lua")
+
+-- globals
+
+minetest.register_on_newplayer(ham_radio.toggle_hud)
+minetest.register_on_joinplayer(ham_radio.toggle_hud)
+
+minetest.register_on_leaveplayer(function(player)
+  local name = player:get_player_name()
+  ham_radio.is_receiver_wielded[name] = false
+  ham_radio.playerhuds[name] = nil
+end)
+
+local updatetimer = 0
+local rds_timer = 0
+minetest.register_globalstep(function(dtime)
+  updatetimer = updatetimer + dtime
+  rds_timer = rds_timer + dtime
+  if updatetimer > 0.1 then
+    local players = minetest.get_connected_players()
+    for i=1, #players do
+      ham_radio:update_hud_display(players[i])
+    end
+    updatetimer = 0
+    -- rds update timer
+    if rds_timer > ham_radio.settings.rds_interval then
+      for i=1, #players do
+        ham_radio:update_rds(players[i])
+      end
+      rds_timer = 0
+    end
+  end
+end)