From eb052e3df5bcf0e84f9ab8f311f120ddb1e46c7e Mon Sep 17 00:00:00 2001
From: Alexsandro Percy <alexsandro.percy@gmail.com>
Date: Sun, 25 Jun 2023 19:19:28 -0300
Subject: [PATCH] added method to update head position for the pilot

---
 lib_planes/entities.lua  |  8 +++++++-
 lib_planes/utilities.lua | 20 ++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/lib_planes/entities.lua b/lib_planes/entities.lua
index 39d9475..24d36ba 100644
--- a/lib_planes/entities.lua
+++ b/lib_planes/entities.lua
@@ -229,7 +229,7 @@ function airutils.logic(self)
     --is an stall, force a recover
     if longit_speed < (self._min_speed+0.5) and climb_rate < -1.5 and is_flying then
         if player and self.driver_name then
-            minetest.chat_send_player(self.driver_name,core.colorize('#ff0000', " >>> STALL"))
+            --minetest.chat_send_player(self.driver_name,core.colorize('#ff0000', " >>> STALL"))
         end
         self._elevator_angle = 0
         self._angle_of_attack = -1
@@ -419,6 +419,7 @@ function airutils.logic(self)
     local indicated_speed = longit_speed * 0.9
     if indicated_speed < 0 then indicated_speed = 0 end
     self._indicated_speed = indicated_speed
+    local speed_angle = supercub.get_gauge_angle(indicated_speed, -45)
 
     --adjust power indicator
     local power_indicator_angle = airutils.get_gauge_angle(self._power_lever/10)
@@ -440,6 +441,11 @@ function airutils.logic(self)
 	    newyaw = yaw + yaw_turn
     end
 
+    if player then
+        local new_eye_offset = airutils.camera_reposition(player, newpitch, math.rad(self._rudder_angle))
+        player:set_eye_offset(new_eye_offset, {x = 0, y = 1, z = -30})
+    end
+
     --apply rotations
     self.object:set_rotation({x=newpitch,y=newyaw,z=newroll})
     --end
diff --git a/lib_planes/utilities.lua b/lib_planes/utilities.lua
index a31ff92..dd02eb2 100644
--- a/lib_planes/utilities.lua
+++ b/lib_planes/utilities.lua
@@ -519,3 +519,23 @@ function airutils.add_destruction_effects(pos, radius)
 		texture = "airutils_smoke.png",
 	})
 end
+
+function airutils.get_xz_from_hipotenuse(orig_x, orig_z, yaw, distance)
+    --cara, o minetest é bizarro, ele considera o eixo no sentido ANTI-HORÁRIO... Então pra equação funcionar, subtrair o angulo de 360 antes
+    yaw = math.rad(360) - yaw
+    local z = (math.cos(yaw)*distance) + orig_z
+    local x = (math.sin(yaw)*distance) + orig_x
+    return x, z
+end
+
+function airutils.camera_reposition(player, pitch, roll)
+    local player_properties = player:get_properties()
+    local new_eye_offset = vector.new()
+    local z, y = airutils.get_xz_from_hipotenuse(0, player_properties.eye_height, pitch, player_properties.eye_height)
+    new_eye_offset.z = z
+    new_eye_offset.y = y
+    local x, _ = airutils.get_xz_from_hipotenuse(0, player_properties.eye_height, roll, player_properties.eye_height)
+    new_eye_offset.x = x*7
+    return new_eye_offset
+end
+