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https://github.com/technix/ham_radio.git
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receive broadcast messages
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parent
d3994663c8
commit
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43
broadcast.lua
Normal file
43
broadcast.lua
Normal file
@ -0,0 +1,43 @@
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function ham_radio.get_broadcast_messages(frequency)
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local transmitters = ham_radio.find_transmitters(frequency)
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local broadcasts = {}
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for position, transmitter in pairs(transmitters) do
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if transmitter.broadcast_message ~= "" then
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-- construct message
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local message = table.concat({
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'[ Radio Broadcast: ',
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transmitter.operated_by,
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' ] ',
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transmitter.broadcast_message,
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}, "")
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table.insert(broadcasts, message)
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end
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end
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return broadcasts
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end
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function ham_radio:update_broadcast(player)
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local name = player:get_player_name()
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local item = player:get_wielded_item()
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if item:get_name() ~= "ham_radio:receiver" then
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return
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end
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local frequency = item:get_meta():get_string("frequency")
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if ham_radio.player_broadcasts[name] == nil then
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ham_radio.player_broadcasts[name] = ham_radio.get_broadcast_messages(frequency)
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end
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local message = table.remove(ham_radio.player_broadcasts[name])
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if message ~= nil then
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minetest.chat_send_player(player:get_player_name(), minetest.colorize(ham_radio.settings.broadcast_color, message))
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-- when all broadcast messages are shown, reload them again
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if not next(ham_radio.player_broadcasts[name]) then
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ham_radio.player_broadcasts[name] = ham_radio.get_broadcast_messages(frequency)
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end
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end
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end
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33
hud.lua
33
hud.lua
@ -3,14 +3,15 @@ function ham_radio.toggle_hud(player)
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local name = player:get_player_name()
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local item = player:get_wielded_item()
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-- remove hud if user does not wield a receiver
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-- remove hud and broadcasts if user does not wield a receiver
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if item:get_name() ~= "ham_radio:receiver" then
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if ham_radio.is_receiver_wielded[name] then
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player:hud_remove(ham_radio.playerhuds[name].background)
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player:hud_remove(ham_radio.playerhuds[name].frequency)
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player:hud_remove(ham_radio.playerhuds[name].signal_meter)
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player:hud_remove(ham_radio.playerhuds[name].signal_level)
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ham_radio.is_receiver_wielded[name] = false
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player:hud_remove(ham_radio.playerhuds[name].background)
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player:hud_remove(ham_radio.playerhuds[name].frequency)
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player:hud_remove(ham_radio.playerhuds[name].signal_meter)
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player:hud_remove(ham_radio.playerhuds[name].signal_level)
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ham_radio.is_receiver_wielded[name] = false
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ham_radio.player_broadcasts[name] = nil
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end
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return false
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end
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@ -93,23 +94,3 @@ function ham_radio:update_hud_display(player)
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{ x = signal_power/50 or 0.1, y = 1 } -- x scale should be 0-2
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)
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end
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minetest.register_on_newplayer(ham_radio.toggle_hud)
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minetest.register_on_joinplayer(ham_radio.toggle_hud)
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minetest.register_on_leaveplayer(function(player)
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ham_radio.is_receiver_wielded[name] = false
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ham_radio.playerhuds[player:get_player_name()] = nil
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end)
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local updatetimer = 0
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minetest.register_globalstep(function(dtime)
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updatetimer = updatetimer + dtime
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if updatetimer > 0.1 then
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local players = minetest.get_connected_players()
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for i=1, #players do
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ham_radio:update_hud_display(players[i])
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end
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updatetimer = updatetimer - dtime
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end
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end)
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35
init.lua
35
init.lua
@ -5,9 +5,12 @@ ham_radio = rawget(_G, "ham_radio") or {}
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ham_radio = {
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playerhuds = {},
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player_broadcasts = {},
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is_receiver_wielded = {},
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transmitters = {},
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settings = {
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broadcast_color = '#607d8b',
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broadcast_interval = 10, -- seconds
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hud_pos = { x = 0.5, y = 0.8 },
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frequency = {
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min = 0,
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@ -48,8 +51,40 @@ dofile(modpath.."/helpers.lua")
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dofile(modpath.."/craft.lua")
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dofile(modpath.."/transmitter.lua")
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dofile(modpath.."/receiver.lua")
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dofile(modpath.."/broadcast.lua")
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dofile(modpath.."/hud.lua")
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-- globals
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minetest.register_on_newplayer(ham_radio.toggle_hud)
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minetest.register_on_joinplayer(ham_radio.toggle_hud)
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minetest.register_on_leaveplayer(function(player)
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ham_radio.is_receiver_wielded[name] = false
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ham_radio.playerhuds[player:get_player_name()] = nil
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end)
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local updatetimer = 0
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local broadcasttimer = 0
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minetest.register_globalstep(function(dtime)
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updatetimer = updatetimer + dtime
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broadcasttimer = broadcasttimer + dtime
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if updatetimer > 0.1 then
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local players = minetest.get_connected_players()
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for i=1, #players do
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ham_radio:update_hud_display(players[i])
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end
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updatetimer = 0
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end
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if broadcasttimer > ham_radio.settings.broadcast_interval then
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local players = minetest.get_connected_players()
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for i=1, #players do
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ham_radio:update_broadcast(players[i])
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end
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broadcasttimer = 0
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end
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end)
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-- TODO: craft transmitter
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-- TODO: configure transmitter
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-- TODO: craft pelengator
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@ -34,7 +34,10 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
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local item = player:get_wielded_item()
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local meta = item:get_meta()
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meta:set_string("frequency", fields.frequency)
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player:set_wielded_item(item) -- replace wielded item with new metadata
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-- replace wielded item with new metadata
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player:set_wielded_item(item)
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-- reset broadcast messages
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ham_radio.player_broadcasts[player:get_player_name()] = nil
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return true
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end)
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