add alpha setting

ovr-utils/addons/openvr_overlay/overlay_instance.gd

@@ -1,6 +1,7 @@
 extends Spatial
 
 signal width_changed
+signal alpha_changed
 signal offset_changed
 signal target_changed
 signal overlay_visibility_changed
@@ -11,6 +12,7 @@ export (String,  "head", "left", "right", "world") var target = "left" setget se
 export var overlay_scene: PackedScene = \
 		preload("res://addons/openvr_overlay/MissingOverlay.tscn") setget set_overlay_scene
 export var width_meters := 0.4 setget set_width_in_meters
+export var alpha := 1.0 setget set_alpha
 export var add_grabbing := true  # add grabbing module
 export var add_cursor   := false # add cursor module
 
@@ -80,6 +82,8 @@ func load_settings():
 		update_offset()
 		if loaded.has("visible"):
 			set_overlay_visible(loaded.visible)
+		if loaded.has("alpha"):
+			set_alpha(loaded.alpha)
 	else:
 		save_settings()
 
@@ -89,6 +93,7 @@ func save_settings():
 		Settings.s.overlays[name] = {}
 	Settings.s.overlays[name].target = target
 	Settings.s.overlays[name].width = width_meters
+	Settings.s.overlays[name].alpha = alpha
 	Settings.s.overlays[name].fallback = fallback
 	Settings.s.overlays[name].type = type
 
@@ -191,6 +196,12 @@ func set_overlay_scene(scene: PackedScene) -> void:
 	container.add_child(overlay_scene.instance())
 
 
+func set_alpha(val: float):
+	alpha = val
+	$VROverlayViewport/TextureRect.modulate.a = val
+	emit_signal("alpha_changed")
+
+
 func reset_offset() -> void:
 	_offsets[current_target].rot = Quat()
 	_offsets[current_target].pos = Vector3()

ovr-utils/addons/settings-manager/settings_definition.gd

@@ -30,6 +30,11 @@ const DEF = {
 					"type": "number",
 					"default": 0.4
 				},
+				"alpha": {
+					"name": "Alpha",
+					"type": "number",
+					"default": 1.0
+				},
 				"target": {
 					"name": "Tracking target",
 					"type": "string",
@@ -68,6 +73,7 @@ const DEF = {
 				"type": "MainOverlay",
 				"visible": true,
 				"width": 0.4,
+				"alpha": 1.0,
 				"target": "left",
 				"fallback": ["left", "right", "head"],
 				"offsets": {

ovr-utils/icons/alpha.svg

@@ -0,0 +1 @@
+<svg height="16" viewBox="0 0 16 16" width="16" xmlns="http://www.w3.org/2000/svg"><g fill="#e0e0e0" fill-rule="evenodd"><path d="m7.9998 2c-2.5567 0-5.7907 1.9477-6.9551 5.7051a1.0001 1.0001 0 0 0 -.00586.5703c1.1244 3.9354 4.4609 5.7246 6.9609 5.7246s5.8365-1.7892 6.9609-5.7246a1.0001 1.0001 0 0 0 0-.5527c-1.1003-3.7876-4.4066-5.7227-6.9609-5.7227zm0 2a4 4 0 0 1 4 4 4 4 0 0 1 -4 4 4 4 0 0 1 -4-4 4 4 0 0 1 4-4zm0 2a2 2 0 0 0 -2 2 2 2 0 0 0 2 2 2 2 0 0 0 2-2 2 2 0 0 0 -2-2z" fill-opacity=".39216"/><path d="m8 2c-2.5567 0-5.7907 1.9477-6.9551 5.7051a1.0001 1.0001 0 0 0 -.00586.57031c1.1244 3.9354 4.4609 5.7246 6.9609 5.7246v-2a4 4 0 0 1 -4-4 4 4 0 0 1 4-4zm0 4a2 2 0 0 0 -2 2 2 2 0 0 0 2 2z" fill-opacity=".99608"/></g></svg>

ovr-utils/icons/alpha.svg.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="StreamTexture"
+path="res://.import/alpha.svg-22384cad50da35235f001642b0f4e493.stex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://icons/alpha.svg"
+dest_files=[ "res://.import/alpha.svg-22384cad50da35235f001642b0f4e493.stex" ]
+
+[params]
+
+compress/mode=0
+compress/lossy_quality=0.7
+compress/hdr_mode=0
+compress/bptc_ldr=0
+compress/normal_map=0
+flags/repeat=0
+flags/filter=true
+flags/mipmaps=false
+flags/anisotropic=false
+flags/srgb=2
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/HDR_as_SRGB=false
+process/invert_color=false
+stream=false
+size_limit=0
+detect_3d=true
+svg/scale=10.0

ovr-utils/ui/ListOverlayItem.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=12 format=2]
+[gd_scene load_steps=13 format=2]
 
 [ext_resource path="res://ui/overlay_list_item.gd" type="Script" id=1]
 [ext_resource path="res://icons/remove.svg" type="Texture" id=2]
@@ -11,6 +11,7 @@
 [ext_resource path="res://styles/menu.theme" type="Theme" id=9]
 [ext_resource path="res://icons/list.svg" type="Texture" id=10]
 [ext_resource path="res://icons/close.svg" type="Texture" id=11]
+[ext_resource path="res://icons/alpha.svg" type="Texture" id=12]
 
 [node name="ListOverlayItem" type="MarginContainer"]
 margin_top = 1727.0
@@ -83,19 +84,19 @@ margin_right = 2040.0
 margin_bottom = 215.0
 
 [node name="Spacer" type="Control" parent="MoreOptions"]
-margin_right = 1104.0
+margin_right = 924.0
 margin_bottom = 207.0
 size_flags_horizontal = 3
 
 [node name="Container" type="PanelContainer" parent="MoreOptions"]
-margin_left = 1116.0
+margin_left = 936.0
 margin_right = 2032.0
 margin_bottom = 207.0
 
 [node name="List" type="HBoxContainer" parent="MoreOptions/Container"]
 margin_left = 8.0
 margin_top = 8.0
-margin_right = 908.0
+margin_right = 1088.0
 margin_bottom = 199.0
 alignment = 2
 
@@ -134,9 +135,39 @@ __meta__ = {
 "_edit_use_anchors_": false
 }
 
-[node name="Target" type="OptionButton" parent="MoreOptions/Container/List"]
+[node name="SetAlpha" type="Button" parent="MoreOptions/Container/List"]
 margin_left = 360.0
-margin_right = 540.0
+margin_right = 536.0
+margin_bottom = 191.0
+toggle_mode = true
+icon = ExtResource( 12 )
+
+[node name="PanelContainer" type="PanelContainer" parent="MoreOptions/Container/List/SetAlpha"]
+anchor_top = -0.016
+anchor_right = 1.0
+anchor_bottom = -0.016
+margin_top = -448.944
+margin_bottom = 0.0560002
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="AlphaSlider" type="VSlider" parent="MoreOptions/Container/List/SetAlpha/PanelContainer"]
+margin_left = 8.0
+margin_top = 8.0
+margin_right = 168.0
+margin_bottom = 441.0
+min_value = 0.2
+max_value = 1.0
+step = 0.05
+value = 1.0
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="Target" type="OptionButton" parent="MoreOptions/Container/List"]
+margin_left = 540.0
+margin_right = 720.0
 margin_bottom = 191.0
 text = "Left"
 icon = ExtResource( 6 )
@@ -145,14 +176,14 @@ items = [ "Head", ExtResource( 7 ), false, 0, null, "Left", ExtResource( 6 ), fa
 selected = 1
 
 [node name="Reset" type="Button" parent="MoreOptions/Container/List"]
-margin_left = 544.0
-margin_right = 720.0
+margin_left = 724.0
+margin_right = 900.0
 margin_bottom = 191.0
 icon = ExtResource( 5 )
 
 [node name="CloseOptions" type="Button" parent="MoreOptions/Container/List"]
-margin_left = 724.0
-margin_right = 900.0
+margin_left = 904.0
+margin_right = 1080.0
 margin_bottom = 191.0
 icon = ExtResource( 11 )
 
@@ -162,6 +193,8 @@ icon = ExtResource( 11 )
 [connection signal="pressed" from="MoreOptions/Container/List/Remove" to="." method="_on_Remove_pressed"]
 [connection signal="toggled" from="MoreOptions/Container/List/SetSize" to="." method="_on_SetSize_toggled"]
 [connection signal="value_changed" from="MoreOptions/Container/List/SetSize/PanelContainer/SizeSlider" to="." method="_on_SizeSlider_value_changed"]
+[connection signal="toggled" from="MoreOptions/Container/List/SetAlpha" to="." method="_on_SetAlpha_toggled"]
+[connection signal="value_changed" from="MoreOptions/Container/List/SetAlpha/PanelContainer/AlphaSlider" to="." method="_on_AlphaSlider_value_changed"]
 [connection signal="item_selected" from="MoreOptions/Container/List/Target" to="." method="_on_Target_item_selected"]
 [connection signal="pressed" from="MoreOptions/Container/List/Reset" to="." method="_on_Reset_pressed"]
 [connection signal="pressed" from="MoreOptions/Container/List/CloseOptions" to="." method="_on_CloseOptions_pressed"]

ovr-utils/ui/overlay_list_item.gd

@@ -6,6 +6,7 @@ var overlay
 func _ready() -> void:
 	overlay = OverlayManager.get_node(overlay_name)
 	$MoreOptions/Container/List/SetSize/PanelContainer.visible = false
+	$MoreOptions/Container/List/SetAlpha/PanelContainer.visible = false
 	$MoreOptions/Container/List/SetSize/PanelContainer/SizeSlider.value = Settings.s.overlays[overlay_name].width
 	$MoreOptions.visible = false
 	$BasicOptions/Label.text = overlay_name
@@ -56,5 +57,13 @@ func _on_SetSize_toggled(state: bool) -> void:
 	$MoreOptions/Container/List/SetSize/PanelContainer.visible = state
 
 
+func _on_SetAlpha_toggled(state: bool) -> void:
+	$MoreOptions/Container/List/SetAlpha/PanelContainer.visible = state
+
+
 func _on_SizeSlider_value_changed(value: float) -> void:
 	overlay.width_meters = value
+
+
+func _on_AlphaSlider_value_changed(value: float) -> void:
+	overlay.alpha = value