improved water collision, flaps fixed

lib_planes/entities.lua

@@ -86,6 +86,8 @@ function airutils.on_activate(self, staticdata, dtime_s)
     self._passengers = {}
     if not self._vehicle_custom_data then self._vehicle_custom_data = {} end --initialize when it does not exists
 
+    if self._flap then airutils.flap_on(self) end
+
     airutils.setText(self, self.infotext)
 end
 
@@ -244,6 +246,13 @@ function airutils.logic(self)
         self._custom_step_additional_function(self)
     end
 
+    if self._wing_configuration == self._wing_angle_of_attack and self._flap then
+        airutils.flap_on(self)
+    end
+    if self._wing_configuration ~= self._wing_angle_of_attack and self._flap == false then
+        airutils.flap_off(self)
+    end
+
     if longit_speed == 0 and is_flying == false and is_attached == false and self._engine_running == false then
         return
     end
@@ -497,13 +506,6 @@ function airutils.logic(self)
     self.object:set_rotation({x=newpitch,y=newyaw,z=newroll})
     --end
 
-    if self._wing_configuration == self._wing_angle_of_attack and self._flap then
-        airutils.flap_on(self)
-    end
-    if self._wing_configuration ~= self._wing_angle_of_attack and self._flap == false then
-        airutils.flap_off(self)
-    end
-
     if longit_speed > self._max_speed and self._flap == true then
         if is_attached and self.driver_name then
             minetest.chat_send_player(self.driver_name, core.colorize('#ff0000', " >>> Flaps retracted due for overspeed"))

lib_planes/utilities.lua

@@ -307,6 +307,26 @@ function airutils.testImpact(self, velocity, position)
         end
     end
 
+    if self._last_water_touch == nil then self._last_water_touch = 3 end
+    if self._last_water_touch <= 3 then self._last_water_touch = self._last_water_touch + self.dtime end
+    if impact > 0.2  and self._longit_speed > 0.6 and self._last_water_touch >=3 then
+        self._last_water_touch = 0
+        local noded = airutils.nodeatpos(airutils.pos_shift(p,{y=touch_point}))
+	    if (noded and noded.drawtype ~= 'airlike') then
+            if noded.drawtype == 'liquid' then
+                minetest.sound_play("airutils_touch_water", {
+                    --to_player = self.driver_name,
+                    object = self.object,
+                    max_hear_distance = 15,
+                    gain = 1.0,
+                    fade = 0.0,
+                    pitch = 1.0,
+                }, true)
+                return
+            end
+	    end
+    end
+
     if vertical_impact > 0.5  and self._longit_speed > self._min_speed/2 then
         local noded = airutils.nodeatpos(airutils.pos_shift(p,{y=touch_point}))
 	    if (noded and noded.drawtype ~= 'airlike') then