mirror of
https://github.com/technix/ham_radio.git
synced 2024-08-19 20:54:07 +02:00
97 lines
2.9 KiB
Lua
97 lines
2.9 KiB
Lua
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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 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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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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-- if hud is already enabled, pass
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if ham_radio.is_receiver_wielded[name] then
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return true
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end
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-- create hud
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ham_radio.is_receiver_wielded[name] = true
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local hud_pos = ham_radio.settings.hud_pos
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ham_radio.playerhuds[name] = {
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background = player:hud_add({
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hud_elem_type = "image",
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position = hud_pos,
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offset = { x = -250, y = 20 },
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text = "ham_radio_hud_bg.png",
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scale = { x = 2, y = 2 },
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alignment = { x = 1, y = 0 },
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}),
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frequency = player:hud_add({
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hud_elem_type = "text",
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text = "",
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position = hud_pos,
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offset = { x = 0, y = 5 },
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alignment = 0,
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number = 0xFFFFFF,
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scale= { x = 100, y = 20 },
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}),
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signal_meter = player:hud_add({
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hud_elem_type = "image",
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position = hud_pos,
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offset = { x = -220, y = 35 },
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text = "ham_radio_hud_indicator_empty.png",
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scale = { x = 2, y = 1 },
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alignment = { x = 1, y = 0 },
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}),
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signal_level = player:hud_add({
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hud_elem_type = "image",
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position = hud_pos,
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offset = { x = -220, y = 35 },
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text = "ham_radio_hud_indicator_full.png",
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scale = { x = 0, y = 1 },
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alignment = { x = 1, y = 0 },
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})
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}
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return true
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end
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function ham_radio:update_hud_display(player)
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if not ham_radio.toggle_hud(player) then
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return
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end
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local signal_power = 0
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local name = player:get_player_name()
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local meta = player:get_wielded_item():get_meta()
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local frequency = meta:get_string("frequency")
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if frequency ~= nil and frequency ~= "" then
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local transmitters = self.find_transmitters(frequency)
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for position, transmitter in pairs(transmitters) do
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local transmitter_signal = self:locate_transmitter(player, minetest.string_to_pos(position))
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if transmitter_signal > signal_power then
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-- use max power from transmitters nearby
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signal_power = transmitter_signal
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end
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end
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end
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local text = "FQ "..tostring(meta:get_string("frequency"))
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player:hud_change(self.playerhuds[name].frequency, "text", text)
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player:hud_change(
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self.playerhuds[name].signal_level,
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"scale",
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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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