rename broadcast to RDS

broadcast.lua

@@ -1,55 +0,0 @@
-function ham_radio.get_broadcast_messages(frequency)
-  local transmitters = ham_radio.find_transmitters(frequency)
-  local broadcasts = {}
-  for position, transmitter in pairs(transmitters) do
-    if transmitter.broadcast_message ~= "" then
-      -- construct message
-      local message = table.concat({
-        '[ Radio | ',
-        transmitter.operated_by,
-        ' ] ',
-        transmitter.broadcast_message,
-      }, "")
-      table.insert(broadcasts, message)
-    end
-  end
-  return broadcasts
-end
-
-
-function ham_radio:update_broadcast(player)
-  local name = player:get_player_name()
-  local item = player:get_wielded_item()
-
-  if item:get_name() ~= "ham_radio:handheld_receiver" then
-    return
-  end
-
-  local meta = item:get_meta()
-  local frequency = meta:get_string("frequency")
-  local broadcast_disabled = meta:get_string("broadcast_disabled")
-
-  if frequency == "" then
-    return
-  end
-
-  if broadcast_disabled == "true" then
-    -- disabled receiving broadcast messages
-    ham_radio.player_broadcasts[name] = nil
-    return
-  end
-
-  if ham_radio.player_broadcasts[name] == nil then
-    ham_radio.player_broadcasts[name] = ham_radio.get_broadcast_messages(frequency)
-  end
-  
-  local message = table.remove(ham_radio.player_broadcasts[name])
-  if message ~= nil then
-    minetest.chat_send_player(player:get_player_name(), minetest.colorize(ham_radio.settings.broadcast_color, message))
-
-    -- when all broadcast messages are shown, reload them again
-    if not next(ham_radio.player_broadcasts[name]) then    
-      ham_radio.player_broadcasts[name] = ham_radio.get_broadcast_messages(frequency)
-    end
-  end
-end

config.lua

@@ -1,8 +1,8 @@
 ham_radio.settings = {
-  -- color of broadcast messages
-  broadcast_color = '#607d8b',
-  -- interval between broadcasts (seconds)
-  broadcast_interval = 10,
+  -- color of RDS messages
+  rds_color = '#607d8b',
+  -- interval between RDS messages (seconds)
+  rds_interval = 10,
   -- receiver hud position
   hud_pos = { x = 0.5, y = 0.8 },
   -- radio frequency range
@@ -22,5 +22,5 @@ ham_radio.settings = {
   },
   -- digiline config
   digiline_channel = "ham_radio",
-  digiline_broadcast_channel = "ham_radio_rds",
+  digiline_rds_channel = "ham_radio_rds",
 }

digiline.lua

@@ -1,17 +1,17 @@
 ham_radio.digiline_effector = function(pos, _, channel, msg)
   local command_channel = ham_radio.settings.digiline_channel -- static channel
-  local broadcast_channel = ham_radio.settings.digiline_broadcast_channel
+  local rds_channel = ham_radio.settings.digiline_rds_channel
 
-  if channel ~= command_channel and channel ~= broadcast_channel then
+  if channel ~= command_channel and channel ~= rds_channel then
     return
   end
 
   local meta = minetest.get_meta(pos)
 
-  -- broadcast channel - text message
-  if channel == broadcast_channel then
+  -- RDS channel - text message
+  if channel == rds_channel then
     if type(msg) == "string" then
-      meta:set_string("broadcast_message", msg)
+      meta:set_string("rds_message", msg)
       ham_radio.transmitter_update_infotext(meta)
       ham_radio.save_transmitter(pos, meta)
     end
@@ -27,7 +27,7 @@ ham_radio.digiline_effector = function(pos, _, channel, msg)
   if msg.command == "get" then
     digilines.receptor_send(pos, digilines.rules.default, digiline_channel, {
       frequency = meta:get_string("frequency"),
-      broadcast_message = meta:get_string("broadcast_message"),
+      rds_message = meta:get_string("rds_message"),
     })
 
   elseif msg.command == "frequency" then
@@ -39,7 +39,7 @@ ham_radio.digiline_effector = function(pos, _, channel, msg)
     end
 
   elseif msg.command == "rds" or msg.command == "message" or msg.command == "rds_message" then
-    meta:set_string("broadcast_message", msg.value)
+    meta:set_string("rds_message", msg.value)
     ham_radio.transmitter_update_infotext(meta)
     ham_radio.save_transmitter(pos, meta)  
 

hud.lua

@@ -3,7 +3,7 @@ function ham_radio.toggle_hud(player)
   local name = player:get_player_name()
   local item = player:get_wielded_item()
   
-  -- remove hud and broadcasts if user does not wield a receiver
+  -- remove hud and RDS if user does not wield a receiver
   if item:get_name() ~= "ham_radio:handheld_receiver" then
     if ham_radio.is_receiver_wielded[name] then
       for hud_id, hud_handler in pairs(ham_radio.playerhuds[name]) do
@@ -11,7 +11,7 @@ function ham_radio.toggle_hud(player)
       end
       ham_radio.playerhuds[name] = nil
       ham_radio.is_receiver_wielded[name] = false
-      ham_radio.player_broadcasts[name] = nil
+      ham_radio.player_rds[name] = nil
     end
     return false
   end
@@ -44,7 +44,7 @@ function ham_radio.toggle_hud(player)
       number = 0x999999,
       scale= { x = 100, y = 20 },
     }),
-    broadcast = player:hud_add({
+    rds = player:hud_add({
       hud_elem_type = "text",
       text = "",
       position  = hud_pos,
@@ -104,12 +104,12 @@ function ham_radio:update_hud_display(player)
     player:hud_change(self.playerhuds[name].frequency, "number", "0xFCAD00")
   end
 
-  if meta:get_string("broadcast_disabled") == "" then
-    player:hud_change(self.playerhuds[name].broadcast, "text", "RDS ON")
-    player:hud_change(self.playerhuds[name].broadcast, "number", "0xFCAD00")
+  if meta:get_string("rds_disabled") == "" then
+    player:hud_change(self.playerhuds[name].rds, "text", "RDS ON")
+    player:hud_change(self.playerhuds[name].rds, "number", "0xFCAD00")
   else
-    player:hud_change(self.playerhuds[name].broadcast, "text", "RDS off")
-    player:hud_change(self.playerhuds[name].broadcast, "number", "0x999999")
+    player:hud_change(self.playerhuds[name].rds, "text", "RDS off")
+    player:hud_change(self.playerhuds[name].rds, "number", "0x999999")
   end
   
   player:hud_change(

init.lua

@@ -5,7 +5,7 @@ ham_radio = rawget(_G, "ham_radio") or {}
 
 ham_radio = {
   playerhuds = {},
-  player_broadcasts = {},
+  player_rds = {},
   is_receiver_wielded = {},
   transmitters = {},
 }
@@ -19,7 +19,7 @@ end
 function ham_radio.save_transmitter(pos, meta)
   local transmitter_properties = {
     frequency = meta:get_string("frequency"),
-    broadcast_message = meta:get_string("broadcast_message"),
+    rds_message = meta:get_string("rds_message"),
     operated_by = meta:get_string("operated_by")
   }
   local key = minetest.pos_to_string(pos, 0)
@@ -41,7 +41,7 @@ dofile(modpath.."/digiline.lua")
 dofile(modpath.."/transmitter.lua")
 dofile(modpath.."/receiver.lua")
 dofile(modpath.."/beacon.lua")
-dofile(modpath.."/broadcast.lua")
+dofile(modpath.."/rds.lua")
 dofile(modpath.."/hud.lua")
 
 -- globals
@@ -56,22 +56,22 @@ minetest.register_on_leaveplayer(function(player)
 end)
 
 local updatetimer = 0
-local broadcasttimer = 0
+local rds_timer = 0
 minetest.register_globalstep(function(dtime)
   updatetimer = updatetimer + dtime
-  broadcasttimer = broadcasttimer + 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
-    -- broadcast timer
-    if broadcasttimer > ham_radio.settings.broadcast_interval then
+    -- rds update timer
+    if rds_timer > ham_radio.settings.rds_interval then
       for i=1, #players do
-        ham_radio:update_broadcast(players[i])
+        ham_radio:update_rds(players[i])
       end
-      broadcasttimer = 0
+      rds_timer = 0
     end
   end
 end)

rds.lua

@@ -0,0 +1,55 @@
+function ham_radio.get_rds_messages(frequency)
+  local transmitters = ham_radio.find_transmitters(frequency)
+  local rds_messages = {}
+  for position, transmitter in pairs(transmitters) do
+    if transmitter.rds_message ~= "" then
+      -- construct message
+      local message = table.concat({
+        '[ Radio | ',
+        transmitter.operated_by,
+        ' ] ',
+        transmitter.rds_message,
+      }, "")
+      table.insert(rds_messages, message)
+    end
+  end
+  return rds_messages
+end
+
+
+function ham_radio:update_rds(player)
+  local name = player:get_player_name()
+  local item = player:get_wielded_item()
+
+  if item:get_name() ~= "ham_radio:handheld_receiver" then
+    return
+  end
+
+  local meta = item:get_meta()
+  local frequency = meta:get_string("frequency")
+  local rds_disabled = meta:get_string("rds_disabled")
+
+  if frequency == "" then
+    return
+  end
+
+  if rds_disabled == "true" then
+    -- disabled receiving RDS messages
+    ham_radio.player_rds[name] = nil
+    return
+  end
+
+  if ham_radio.player_rds[name] == nil then
+    ham_radio.player_rds[name] = ham_radio.get_rds_messages(frequency)
+  end
+  
+  local message = table.remove(ham_radio.player_rds[name])
+  if message ~= nil then
+    minetest.chat_send_player(player:get_player_name(), minetest.colorize(ham_radio.settings.rds_color, message))
+
+    -- when all RDS messages are shown, reload them again
+    if not next(ham_radio.player_rds[name]) then    
+      ham_radio.player_rds[name] = ham_radio.get_rds_messages(frequency)
+    end
+  end
+end

receiver.lua

@@ -23,11 +23,11 @@ minetest.register_tool("ham_radio:handheld_receiver", {
   -- right click - RDS on/off
   on_secondary_use = function(itemstack, user, pointed_thing)
     local meta = itemstack:get_meta()
-    local is_broadcast_disabled = meta:get_string("broadcast_disabled")
-    if is_broadcast_disabled == "" then
-      meta:set_string("broadcast_disabled", "true")
+    local is_rds_disabled = meta:get_string("rds_disabled")
+    if is_rds_disabled == "" then
+      meta:set_string("rds_disabled", "true")
     else
-      meta:set_string("broadcast_disabled", "")
+      meta:set_string("rds_disabled", "")
     end
     return itemstack
   end
@@ -45,8 +45,8 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
   meta:set_string("frequency", fields.frequency)
    -- replace wielded item with new metadata
   player:set_wielded_item(item)
-   -- reset broadcast messages
-  ham_radio.player_broadcasts[player:get_player_name()] = nil
+   -- reset rds messages
+  ham_radio.player_rds[player:get_player_name()] = nil
   return true
 end)
 

transmitter.lua

@@ -1,15 +1,20 @@
 
 ham_radio.transmitter_update_infotext = function(meta)
+  local operated_by = meta:get_string("operated_by")
   local frequency = meta:get_string("frequency")
-  local broadcast_message = meta:get_string("broadcast_message")
+  local rds_message = meta:get_string("rds_message")
   if frequency == "" then
     frequency = "--"
-    broadcast_message = ""
+    rds_message = ""
   end
-  local infotext = {'Frequency: ', frequency}
-  if broadcast_message ~= "" then
-    table.insert(infotext, '\nBroadcast: "')
-    table.insert(infotext, broadcast_message)
+  local infotext = {
+    'Radio Transmitter\n',
+    'Operated by: ', operated_by, '\n',
+    'Frequency: ', frequency
+  }
+  if rds_message ~= "" then
+    table.insert(infotext, '\nRDS message: "')
+    table.insert(infotext, rds_message)
     table.insert(infotext, '"')
   end
   meta:set_string("infotext", table.concat(infotext, ''))
@@ -33,7 +38,7 @@ minetest.register_node("ham_radio:transmitter", {
     local meta = minetest.get_meta(pos);
     local name = placer:get_player_name()
     meta:set_string('operated_by', name)
-    meta:set_string('broadcast_message', "")
+    meta:set_string('rds_message', "")
     meta:set_string("formspec",
       table.concat({
         "size[7,5]",
@@ -43,11 +48,11 @@ minetest.register_node("ham_radio:transmitter", {
         "tooltip[frequency;Integer number ",
           ham_radio.settings.frequency.min,"-",
           ham_radio.settings.frequency.max, "]",
-        "field[0.25,3.5;7,1;broadcast_message;RDS message;${broadcast_message}]",
+        "field[0.25,3.5;7,1;rds_message;RDS message;${rds_message}]",
         "button_exit[2,4.5;3,1;;Done]"
       },'')
     )
-    meta:set_string("infotext", '')
+    ham_radio.transmitter_update_infotext(meta)
   end,
   on_receive_fields = function(pos, formname, fields, sender)
     if not minetest.is_player(sender) then
@@ -64,7 +69,7 @@ minetest.register_node("ham_radio:transmitter", {
 
     local meta = minetest.get_meta(pos)
     meta:set_string("frequency", fields.frequency)
-    meta:set_string("broadcast_message", fields.broadcast_message)
+    meta:set_string("rds_message", fields.rds_message)
     ham_radio.transmitter_update_infotext(meta)
     ham_radio.save_transmitter(pos, meta)
   end,