Disable slime splat noise

mods/mob/api/api_hook.lua

@@ -97,6 +97,7 @@ mob_register.projectile_timer = 0
 mob_register.projectile_type = def.projectile_type
 
 mob_register.takes_fall_damage = def.takes_fall_damage or true
+mob_register.make_jump_noise = def.make_jump_noise
 
 mob_register.item_drop = def.item_drop
 mob_register.item_minimum = def.item_minimum or 1

mods/mob/api/movement.lua

@@ -126,7 +126,9 @@ mobs.create_movement_functions = function(def,mob_register)
 			local vel = self.object:get_velocity()
 			if self.jump_timer <= 0 then
 				if vel.y == 0 and self.oldvely and self.oldvely <= 0 then --use <= on self.oldvely to make slime make landing sound
-					minetest.sound_play("slime_splat", {object=self.object, gain = 1.0, max_hear_distance = 10,pitch = math.random(80,100)/100})
+					if self.make_jump_noise then
+						minetest.sound_play("slime_splat", {object=self.object, gain = 1.0, max_hear_distance = 10,pitch = math.random(80,100)/100})
+					end
 					local vel = self.object:get_velocity()
 					self.jump_timer = 1+math.random()
 					if self.hostile == true then

mods/mob/init.lua

@@ -108,6 +108,7 @@ mobs.register_mob(
 	 automatic_face_movement_max_rotation_per_sec = 300,
 	 makes_footstep_sound = false,
 	 takes_fall_damage = false,
+	 make_jump_noise = false,
 	 hp = 10,
 	 gravity = {x = 0, y = -1, z = 0},
 	 movement_type = "jump",