improvements

init.lua

@@ -27,6 +27,8 @@ dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_papi.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_tug.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "airutils_repair.lua")
 dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "inventory_management.lua")
+dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "light.lua")
+
 if player_api then
     dofile(minetest.get_modpath("airutils") .. DIR_DELIM .. "pilot_skin_manager.lua")
 end
@@ -317,85 +319,8 @@ function airutils.paint(self, colstr, texture_name)
     end
 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
-
-minetest.register_node("airutils:light", {
-	drawtype = "glasslike",
-	tile_images = {"airutils_light.png"},
-	inventory_image = minetest.inventorycube("airutils_light.png"),
-	paramtype = "light",
-	walkable = false,
-	is_ground_content = true,
-	light_propagates = true,
-	sunlight_propagates = true,
-	light_source = 14,
-	selection_box = {
-		type = "fixed",
-		fixed = {0, 0, 0, 0, 0, 0},
-	},
-})
-
-function airutils.remove_light(self)
-    if self._light_old_pos then
-        --force the remotion of the last light
-        minetest.add_node(self._light_old_pos, {name="air"})
-        self._light_old_pos = nil
-    end
-end
-
-function airutils.swap_node(self, pos)
-    local target_pos = pos
-    local have_air = false
-    local node = nil
-    local count = 0
-    while have_air == false and count <= 3 do
-        node = minetest.get_node(target_pos)
-        if node.name == "air" then
-            have_air = true
-            break
-        end
-        count = count + 1
-        target_pos.y = target_pos.y + 1
-    end
-    
-    if have_air then
-        minetest.set_node(target_pos, {name='airutils:light'})
-        airutils.remove_light(self)
-        self._light_old_pos = target_pos
-        return true
-    end
-    return false
-end
-
-function airutils.put_light(self)
-    local pos = self.object:get_pos()
-    pos.y = pos.y + 1
-    local yaw = self.object:get_yaw()
-    local lx, lz = airutils.get_xz_from_hipotenuse(pos.x, pos.z, yaw, 10)
-    local light_pos = {x=lx, y=pos.y, z=lz}
-
-	local cast = minetest.raycast(pos, light_pos, false, false)
-	local thing = cast:next()
-    local was_set = false
-	while thing do
-		if thing.type == "node" then
-            local ipos = thing.intersection_point
-            if ipos then
-                was_set = airutils.swap_node(self, ipos)
-            end
-        end
-        thing = cast:next()
-    end
-    if was_set == false then
-        local n = minetest.get_node_or_nil(light_pos)
-        if n and n.name == 'air' then
-            airutils.swap_node(self, light_pos)
-        end
-    end
+function airutils.getAngleFromPositions(origin, destiny)
+    local angle_north = math.deg(math.atan2(destiny.x - origin.x, destiny.z - origin.z))
+    if angle_north < 0 then angle_north = angle_north + 360 end
+    return angle_north
 end

light.lua

@@ -0,0 +1,83 @@
+
+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
+
+minetest.register_node("airutils:light", {
+	drawtype = "glasslike",
+	tile_images = {"airutils_light.png"},
+	inventory_image = minetest.inventorycube("airutils_light.png"),
+	paramtype = "light",
+	walkable = false,
+	is_ground_content = true,
+	light_propagates = true,
+	sunlight_propagates = true,
+	light_source = 14,
+	selection_box = {
+		type = "fixed",
+		fixed = {0, 0, 0, 0, 0, 0},
+	},
+})
+
+function airutils.remove_light(self)
+    if self._light_old_pos then
+        --force the remotion of the last light
+        minetest.add_node(self._light_old_pos, {name="air"})
+        self._light_old_pos = nil
+    end
+end
+
+function airutils.swap_node(self, pos)
+    local target_pos = pos
+    local have_air = false
+    local node = nil
+    local count = 0
+    while have_air == false and count <= 3 do
+        node = minetest.get_node(target_pos)
+        if node.name == "air" then
+            have_air = true
+            break
+        end
+        count = count + 1
+        target_pos.y = target_pos.y + 1
+    end
+    
+    if have_air then
+        minetest.set_node(target_pos, {name='airutils:light'})
+        airutils.remove_light(self)
+        self._light_old_pos = target_pos
+        return true
+    end
+    return false
+end
+
+function airutils.put_light(self)
+    local pos = self.object:get_pos()
+    pos.y = pos.y + 1
+    local yaw = self.object:get_yaw()
+    local lx, lz = airutils.get_xz_from_hipotenuse(pos.x, pos.z, yaw, 10)
+    local light_pos = {x=lx, y=pos.y, z=lz}
+
+	local cast = minetest.raycast(pos, light_pos, false, false)
+	local thing = cast:next()
+    local was_set = false
+	while thing do
+		if thing.type == "node" then
+            local ipos = thing.intersection_point
+            if ipos then
+                was_set = airutils.swap_node(self, ipos)
+            end
+        end
+        thing = cast:next()
+    end
+    if was_set == false then
+        local n = minetest.get_node_or_nil(light_pos)
+        if n and n.name == 'air' then
+            airutils.swap_node(self, light_pos)
+        end
+    end
+end