first

engine_management.lua

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+ap_airship.PRESSURE_CONSUMPTION = 500
+
+local adjust_variable = 500
+local lost_power = (1/ap_airship.FUEL_CONSUMPTION)*adjust_variable
+local gained_pressure = (2/ap_airship.FUEL_CONSUMPTION)*adjust_variable
+
+ap_airship.boiler_min = 1
+ap_airship.boiler_max = 310
+
+function ap_airship.start_engine(self)
+    -- sound
+    --minetest.chat_send_all(dump(self.sound_handle_engine))
+    if self.sound_handle_engine == nil and self._engine_running == true then
+         self.object:set_animation_frame_speed(ap_airship.iddle_rotation)
+        if self.object then
+            self.sound_handle_engine = minetest.sound_play({name = "ap_airship_engine"},--"default_item_smoke"},
+                {object = self.object, gain = 3.0,
+                    pitch = 0.4,
+                    max_hear_distance = 120,
+                    loop = true,})
+        end
+    end
+end
+
+local function engines_step(self, accel)
+    ap_airship.start_engine(self)
+    ap_airship.engine_set_sound_and_animation(self)
+end
+
+local function furnace_step(self, accel)
+    if self._energy > 0 and self._engine_running then
+        local consumed_power = (1/ap_airship.FUEL_CONSUMPTION)
+        --self._energy = self._energy - consumed_power; --removes energy
+    end
+end
+
+function ap_airship.engine_step(self, accel)
+    furnace_step(self, accel)
+    engines_step(self, accel)
+
+    if self.driver_name then
+        local player = minetest.get_player_by_name(self.driver_name)
+
+        local pressure = 0
+        local coal = self._energy
+        --minetest.chat_send_all(self._power_lever)
+        ap_airship.update_hud(player, coal, 180, -pressure, self._power_lever)
+    end
+end
+