sfx and other polish

1 files changed, 105 insertions, 0 deletions

diff --git a/sfx.lua b/sfx.lua
new file mode 100644
index 0000000..c7e7377
--- /dev/null
+++ b/sfx.lua
@@ -0,0 +1,105 @@
+local sfx = {}
+
+sfx.sources = {}
+sfx.volumes = {}
+sfx.liquidActive = false
+
+local LIQUID_FILTER = { type = "lowpass", volume = 0.8, highgain = 0.15 }
+
+local MUSIC_SOURCES = {
+    game_ambient_loop = true,
+    UI_loop_song = true,
+}
+
+local DEFAULT_VOLUMES = {
+    game_ambient_loop = 0.3,
+    UI_loop_song = 0.5,
+    running = 0.35,
+    die = 0.7,
+    dive = 0.6,
+    jump = 0.5,
+    land = 0.5,
+    HUD = 0.5,
+    pickup = 0.5,
+    UI = 0.5,
+}
+
+function sfx.load()
+    local dir = "assets/sfx"
+    local ok, items = pcall(love.filesystem.getDirectoryItems, dir)
+    if not ok or not items then return end
+
+    for _, filename in ipairs(items) do
+        local ext = filename:match("%.(%w+)$")
+        if ext == "ogg" or ext == "mp3" or ext == "wav" then
+            local name = filename:gsub("%.[^.]+$", "")
+            local sourceType = MUSIC_SOURCES[name] and "stream" or "static"
+            local success, src = pcall(love.audio.newSource, dir .. "/" .. filename, sourceType)
+            if success and src then
+                local vol = DEFAULT_VOLUMES[name] or 0.5
+                src:setVolume(vol)
+                sfx.sources[name] = src
+                sfx.volumes[name] = vol
+            end
+        end
+    end
+end
+
+function sfx.play(name)
+    local src = sfx.sources[name]
+    if not src then return end
+    src:stop()
+    src:setLooping(false)
+    if sfx.liquidActive and not MUSIC_SOURCES[name] then
+        pcall(src.setFilter, src, LIQUID_FILTER)
+    end
+    src:play()
+end
+
+function sfx.loop(name)
+    local src = sfx.sources[name]
+    if not src then return end
+    if src:isPlaying() then return end
+    src:setLooping(true)
+    src:play()
+end
+
+function sfx.stop(name)
+    local src = sfx.sources[name]
+    if not src then return end
+    src:stop()
+end
+
+function sfx.isPlaying(name)
+    local src = sfx.sources[name]
+    return src and src:isPlaying()
+end
+
+function sfx.setVolume(name, vol)
+    local src = sfx.sources[name]
+    if not src then return end
+    sfx.volumes[name] = vol
+    src:setVolume(vol)
+end
+
+function sfx.setLiquidEffect(active)
+    if sfx.liquidActive == active then return end
+    sfx.liquidActive = active
+    for name, src in pairs(sfx.sources) do
+        if not MUSIC_SOURCES[name] then
+            if active then
+                pcall(src.setFilter, src, LIQUID_FILTER)
+            else
+                pcall(src.setFilter, src)
+            end
+        end
+    end
+end
+
+function sfx.stopAll()
+    for _, src in pairs(sfx.sources) do
+        src:stop()
+    end
+end
+
+return sfx