add 'mobs_disable_damage_kb' setting

api.lua

@@ -18,7 +18,7 @@ end
 
 mobs = {
 	mod = "redo",
-	version = "20241012",
+	version = "20241020",
 	spawning_mobs = {},
 	translate = S,
 	invis = minetest.global_exists("invisibility") and invisibility or {},
@@ -2600,6 +2600,8 @@ end
 
 -- deal damage and effects when mob punched
 
+local dis_damage_kb = settings:get_bool("mobs_disable_damage_kb")
+
 function mob_class:on_punch(hitter, tflp, tool_capabilities, dir, damage)
 
 	-- mob health check
@@ -2826,7 +2828,7 @@ function mob_class:on_punch(hitter, tflp, tool_capabilities, dir, damage)
 	if self.knock_back and tflp >= punch_interval then
 
 		local v = self.object:get_velocity() ; if not v then return true end
-		local kb = damage or 1
+		local kb = dis_damage_kb and 1 or (damage or 1)
 		local up = 2
 
 		-- if already in air then dont go up anymore when hit

api.txt

@@ -861,6 +861,8 @@ External Settings for "minetest.conf"
                             nearby mobs to run a custom on_sound function.
    'mobs_can_hear_node'     Disabled by default, allows nearby nodes to hear and run a
                             custom on_sound function.
+   'mobs_disable_damage_kb' Knockback is calculated by hit damage or uses knockback value
+                            from the weapon used, this setting lets you disable the former.
 
 Players can override the spawn chance for each mob registered by adding a line
 to their minetest.conf file with a new value, the lower the value the more each

settingtypes.txt

@@ -66,6 +66,9 @@ mobs_can_hear (Enable Mob hearing) bool true
 #   Node hearing, when enabled will allow nodes to hear nearby sounds
 mobs_can_hear_node (Enable Node hearing) bool false
 
+#   By default mobs are dealt knockback from damage, this lets you disable it
+mobs_disable_damage_kb (Disable knockback from damage only) bool false
+
 [Pathfinding]
 #    Enable pathfinding (default Enabled)
 mob_pathfinding_enable (Enable pathfinding) bool true