Added new Everest triggers for ambience and ambience volume

Requires Everest 3731

src/lang/en_gb.lang

@@ -948,6 +948,17 @@ triggers.ambienceParamTrigger.attributes.description.from=Determines the volume
 triggers.ambienceParamTrigger.attributes.description.parameter=Uses the ambience properties if left blank, otherwise uses FMOD's escape property.
 triggers.ambienceParamTrigger.attributes.description.direction=Determines which direction the ambience comes from.
 
+# Ambience
+triggers.everest/ambienceTrigger.placements.name.ambience=Ambience
+triggers.everest/ambienceTrigger.attributes.description.resetOnLeave=Resets the ambience when the player leaves the current zone after entering the trigger zone.
+triggers.everest/ambienceTrigger.attributes.description.track=Changes the ambience track that plays when the player enters the trigger zone.
+
+# Ambience Volume
+triggers.everest/ambienceVolumeTrigger.placements.name.ambience_volume=Ambience Volume
+triggers.everest/ambienceVolumeTrigger.attributes.description.to=Determines the volume of the ambience at farther distances.
+triggers.everest/ambienceVolumeTrigger.attributes.description.from=Determines the volume of the ambience at closer distances.
+triggers.everest/ambienceVolumeTrigger.attributes.description.direction=Determines which direction the ambience comes from.
+
 # Bird Path
 triggers.birdPathTrigger.placements.name.bird_path=Bird Path
 

src/triggers/ambience.lua

@@ -0,0 +1,22 @@
+local enums = require("consts.celeste_enums")
+local ambient_sounds = table.keys(enums.ambient_sounds)
+
+table.sort(ambient_sounds)
+
+local ambience = {}
+
+ambience.name = "everest/ambienceTrigger"
+ambience.fieldInformation = {
+    track = {
+        options = ambient_sounds
+    }
+}
+ambience.placements = {
+    name = "ambience",
+    data = {
+        track = "",
+        resetOnLeave = true
+    }
+}
+
+return ambience

src/triggers/ambience_volume.lua

@@ -0,0 +1,21 @@
+local enums = require("consts.celeste_enums")
+
+local ambienceVolume = {}
+
+ambienceVolume.name = "everest/ambienceVolumeTrigger"
+ambienceVolume.fieldInformation = {
+    direction = {
+        options = enums.trigger_position_modes,
+        editable = false
+    }
+}
+ambienceVolume.placements = {
+    name = "ambience_volume",
+    data = {
+        from = 0.0,
+        to = 0.0,
+        direction = "NoEffect"
+    }
+}
+
+return ambienceVolume