132 lines
3.6 KiB
Lua
132 lines
3.6 KiB
Lua
lzr_ambience = {}
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local S = minetest.get_translator("lzr_ambience")
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local ambiences = {}
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local current_singleplayer_ambience = nil -- ambience sound handler. nil if no current ambience
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local current_singleplayer_ambience_id = nil -- ambience type ID (e.g. "ocean", "temple"). nil if uninitialized
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local ambience_active = true -- whether to play ambience
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lzr_ambience.DEFAULT_AMBIENCE = "ocean"
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lzr_ambience.register_ambience = function(id, soundname, gain)
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ambiences[id] = { soundname = soundname, gain = gain }
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end
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local registered_on_ambience_changes = {}
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lzr_ambience.register_on_ambience_change = function(func)
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table.insert(registered_on_ambience_changes, func)
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end
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local function report_ambience_change(new_state)
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for i=1, #registered_on_ambience_changes do
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registered_on_ambience_changes[i](new_state)
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end
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end
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local function stop_ambience()
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if current_singleplayer_ambience then
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minetest.sound_stop(current_singleplayer_ambience)
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current_singleplayer_ambience = nil
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end
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end
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function lzr_ambience.ambience_exists(id)
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if ambiences[id] then
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return true
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else
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return false
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end
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end
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function lzr_ambience.get_ambiences()
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local list = {}
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for id,_ in pairs(ambiences) do
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table.insert(list, id)
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end
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table.sort(list)
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return list
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end
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function lzr_ambience.set_ambience(id, no_play)
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local ambience = ambiences[id]
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if not ambience then
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minetest.log("error", "[lzr_ambience] set_ambience called with invalid ambience ID ("..tostring(id)..")")
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return false
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end
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minetest.log("info", "[lzr_ambience] Ambience set to: "..tostring(id))
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-- No-op if we already have this ambience active
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if current_singleplayer_ambience_id == id and current_singleplayer_ambience then
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return true
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end
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stop_ambience()
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if id ~= "none" and not no_play and ambience_active then
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current_singleplayer_ambience = minetest.sound_play({name=ambience.soundname}, {gain = ambience.gain, to_player="singleplayer", loop=true})
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end
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current_singleplayer_ambience_id = id
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return true
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end
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function lzr_ambience.toggle_ambience()
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if current_singleplayer_ambience then
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ambience_active = false
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stop_ambience()
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report_ambience_change(ambience_active)
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return false
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else
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ambience_active = true
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lzr_ambience.set_ambience(current_singleplayer_ambience_id)
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report_ambience_change(ambience_active)
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return true
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end
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end
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function lzr_ambience.toggle_ambience_by_player(player)
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local new_status = lzr_ambience.toggle_ambience()
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if new_status then
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lzr_messages.show_message(player, S("Ambience sounds enabled"), 2)
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return true
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else
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lzr_messages.show_message(player, S("Ambience sounds disabled"), 2)
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return false
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end
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end
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function lzr_ambience.is_active()
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return ambience_active
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end
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lzr_ambience.register_ambience("ocean", "lzr_ambience_ocean", 0.08)
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lzr_ambience.register_ambience("temple", "lzr_ambience_temple", 1.0)
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-- Special ambience that is completely silent
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lzr_ambience.register_ambience("none")
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local setting = minetest.settings:get_bool("lzr_ambience_start_with_ambience", true)
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minetest.register_on_joinplayer(function(player)
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if setting then
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ambience_active = true
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report_ambience_change(ambience_active)
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lzr_ambience.set_ambience("ocean")
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else
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ambience_active = false
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report_ambience_change(ambience_active)
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lzr_ambience.set_ambience("ocean", true)
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end
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end)
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minetest.register_chatcommand("ambience", {
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description = S("Toggle ambience sounds"),
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func = function(name)
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local player = minetest.get_player_by_name(name)
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local new_status = lzr_ambience.toggle_ambience_by_player(player)
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if new_status then
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return true, S("Ambience sounds enabled.")
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else
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return true, S("Ambience sounds disabled.")
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end
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end,
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})
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