Add sound volume management and language selection

Not all translated yet though

game/ui/commons/main_menu/options.tscn

@@ -24,52 +24,109 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="options_grid" type="GridContainer" parent="."]
-anchor_left = 0.217
-anchor_top = 0.427
-anchor_right = 0.803
-anchor_bottom = 0.574
-margin_left = 0.23999
-margin_top = -0.300018
-margin_right = 17.1599
-margin_bottom = 0.400024
-custom_constants/hseparation = 167
+[node name="options" type="GridContainer" parent="."]
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+margin_left = -275.5
+margin_top = -75.0
+margin_right = 275.5
+margin_bottom = 75.0
+custom_constants/hseparation = 40
 columns = 2
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="options_language" type="Label" parent="options_grid"]
-margin_top = 56.0
+[node name="label" type="Label" parent="options"]
+margin_top = 27.0
 margin_right = 220.0
-margin_bottom = 77.0
+margin_bottom = 48.0
 custom_fonts/font = ExtResource( 1 )
 text = "OPTIONS_LANGUAGE"
 
-[node name="flags" type="HBoxContainer" parent="options_grid"]
-margin_left = 387.0
-margin_right = 767.0
-margin_bottom = 133.0
+[node name="flags" type="HBoxContainer" parent="options"]
+margin_left = 260.0
+margin_right = 553.0
+margin_bottom = 75.0
 size_flags_vertical = 3
 custom_constants/separation = 30
 alignment = 1
 
-[node name="fr_FR" type="TextureRect" parent="options_grid/flags"]
-margin_right = 150.0
-margin_bottom = 133.0
+[node name="fr" type="TextureRect" parent="options/flags"]
+margin_right = 113.0
+margin_bottom = 75.0
 texture = ExtResource( 3 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="en_EN" type="TextureRect" parent="options_grid/flags"]
-margin_left = 180.0
-margin_right = 380.0
-margin_bottom = 133.0
+[node name="en" type="TextureRect" parent="options/flags"]
+margin_left = 143.0
+margin_right = 293.0
+margin_bottom = 75.0
 texture = ExtResource( 2 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[connection signal="gui_input" from="options_grid/flags/fr_FR" to="." method="_on_language_input" binds= [ "fr_FR" ]]
-[connection signal="gui_input" from="options_grid/flags/en_EN" to="." method="_on_language_input" binds= [ "en_EN" ]]
+[node name="label2" type="Label" parent="options"]
+margin_top = 79.0
+margin_right = 220.0
+margin_bottom = 100.0
+custom_fonts/font = ExtResource( 1 )
+text = "GENERAL_VOLUME"
+
+[node name="general_volume" type="HSlider" parent="options"]
+margin_left = 260.0
+margin_top = 79.0
+margin_right = 553.0
+margin_bottom = 95.0
+size_flags_horizontal = 3
+min_value = 0.001
+max_value = 1.0
+step = 0.001
+value = 0.001
+
+[node name="label3" type="Label" parent="options"]
+margin_top = 104.0
+margin_right = 220.0
+margin_bottom = 125.0
+custom_fonts/font = ExtResource( 1 )
+text = "SOUND_VOLUME"
+
+[node name="sound_volume" type="HSlider" parent="options"]
+margin_left = 260.0
+margin_top = 104.0
+margin_right = 553.0
+margin_bottom = 120.0
+size_flags_horizontal = 3
+min_value = 0.001
+max_value = 1.0
+step = 0.001
+value = 0.001
+
+[node name="label4" type="Label" parent="options"]
+margin_top = 129.0
+margin_right = 220.0
+margin_bottom = 150.0
+custom_fonts/font = ExtResource( 1 )
+text = "MUSIC_VOLUME"
+
+[node name="music_volume" type="HSlider" parent="options"]
+margin_left = 260.0
+margin_top = 129.0
+margin_right = 553.0
+margin_bottom = 145.0
+size_flags_horizontal = 3
+min_value = 0.001
+max_value = 1.0
+step = 0.001
+value = 0.001
+
+[connection signal="gui_input" from="options/flags/fr" to="." method="_on_language_input" binds= [ "fr" ]]
+[connection signal="gui_input" from="options/flags/en" to="." method="_on_language_input" binds= [ "en" ]]
+[connection signal="value_changed" from="options/general_volume" to="." method="_on_general_volume_changed"]
+[connection signal="value_changed" from="options/sound_volume" to="." method="_on_sound_volume_changed"]
+[connection signal="value_changed" from="options/music_volume" to="." method="_on_music_volume_changed"]