add a burning animation fps setting

mods/ENTITIES/mcl_burning/api.lua

@@ -285,7 +285,7 @@ function mcl_burning.fire_entity_step(self, dtime)
 	end
 
 	local animation_timer = self.animation_timer + dtime
-	if animation_timer >= 0.015 then
+	if animation_timer >= ( 1 / mcl_burning.animation_fps ) then
 		animation_timer = 0
 		local animation_frame = self.animation_frame + 1
 		if animation_frame > mcl_burning.animation_frames - 1 then

mods/ENTITIES/mcl_burning/init.lua

@@ -2,7 +2,8 @@ local S = minetest.get_translator("mcl_burning")
 local modpath = minetest.get_modpath("mcl_burning")
 
 mcl_burning = {
-	animation_frames = tonumber(minetest.settings:get("fire_animation_frames")) or 8
+	animation_frames = tonumber(minetest.settings:get("fire_animation_frames")) or 8,
+	animation_fps = tonumber(minetest.settings:get("fire_animation_fps")) or 30
 }
 
 dofile(modpath .. "/api.lua")

settingtypes.txt

@@ -91,6 +91,11 @@ flame_sound (Flame sound) bool true
 # Form: Image height / Image width
 fire_animation_frames (Fire Animation Frames) int 8
 
+# How long to wait between frames of the fire animation in frames per second.
+# A higher number means it looks better but also results in a lot of additional network traffic. A low single digit value is recommended for multiplayer.
+#(default: 30)
+fire_animation_fps (Fire Animation FPS) int 30 0 60
+
 # Whether to animate chests when open / close
 animated_chests (Animated chests) bool true