84 lines
1.5 KiB
Lua
84 lines
1.5 KiB
Lua
bgm = {
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credit_roll = {
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gm3 = love.audio.newSource("res/bgm/tgm_credit_roll.mp3", "stream"),
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},
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pacer_test = love.audio.newSource("res/bgm/pacer_test.mp3", "stream"),
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}
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local current_bgm = nil
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local bgm_locked = false
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function switchBGM(sound, subsound)
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if current_bgm ~= nil then
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current_bgm:stop()
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end
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if bgm_locked or config.bgm_volume <= 0 then
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current_bgm = nil
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elseif sound ~= nil then
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if subsound ~= nil then
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current_bgm = bgm[sound][subsound]
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else
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current_bgm = bgm[sound]
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end
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else
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current_bgm = nil
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end
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if current_bgm ~= nil then
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resetBGMFadeout()
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end
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end
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function switchBGMLoop(sound, subsound)
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switchBGM(sound, subsound)
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if current_bgm then current_bgm:setLooping(true) end
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end
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function lockBGM()
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bgm_locked = true
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end
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function unlockBGM()
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bgm_locked = false
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end
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local fading_bgm = false
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local fadeout_time = 0
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local total_fadeout_time = 0
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function fadeoutBGM(time)
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if fading_bgm == false then
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fading_bgm = true
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fadeout_time = time
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total_fadeout_time = time
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end
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end
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function resetBGMFadeout(time)
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current_bgm:setVolume(config.bgm_volume)
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fading_bgm = false
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current_bgm:play()
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end
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function processBGMFadeout(dt)
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if current_bgm and fading_bgm then
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fadeout_time = fadeout_time - dt
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if fadeout_time < 0 then
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fadeout_time = 0
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fading_bgm = false
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end
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current_bgm:setVolume(fadeout_time * config.bgm_volume / total_fadeout_time)
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end
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end
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function pauseBGM()
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if current_bgm ~= nil then
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current_bgm:pause()
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end
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end
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function resumeBGM()
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if current_bgm ~= nil then
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current_bgm:play()
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end
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end
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