add on_player_set entity component event

res/scripts/components/mob.lua

@@ -142,14 +142,16 @@ end
 
 function is_flight() return flight end
 
-function set_flight(flag) flight = flag end
+function set_flight(flag)
+    flight = flag
+    body:set_gravity_scale(flight and 0.0 or props.gravity_scale)
+end
 
 local prev_angle = (vec2.angle({dir[3], dir[1]})) % 360
 
 function on_physics_update(delta)
     local grounded = body:is_grounded()
     body:set_vdamping(flight)
-    body:set_gravity_scale(flight and 0.0 or props.gravity_scale)
     body:set_linear_damping(
         (flight or not grounded) and props.air_damping or props.ground_damping
     )

res/scripts/components/player.lua

@@ -58,16 +58,12 @@ local function process_player_inputs(pid, rot, delta)
     end
 end
 
-local prepared = false
-body:set_enabled(false)
-mob.set_flight(true)
+function on_player_set(pid)
+    mob.set_flight(player.is_flight(pid))
+    body:set_body_type(player.is_noclip(pid) and "kinematic" or "dynamic")
+end
 
 function on_physics_update(delta)
-    if not prepared then
-        prepared = true
-        body:set_enabled(true)
-    end
-
     local pid = entity:get_player()
     if pid == -1 then
         return