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screen filters system?

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This commit is contained in:
Haze Weathers 2025-11-01 18:35:46 -06:00
parent 08a20c683a
commit 2a6b263cae
6 changed files with 98 additions and 2 deletions
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35
autoloads/display.gd
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@ -18,9 +18,13 @@ enum ScaleMode {
if is_node_ready():
_update_scale()
## Directory to scan screen filters from.
@export_dir var filters_dir: String = "res://"
@export_group("Internal References")
@export var _viewport: SubViewport
@export var _viewport_container: SubViewportContainer
@export var _native_filters_layer: CanvasLayer
## The native resolution of the game.
@ -29,11 +33,37 @@ var size: Vector2i = Vector2i(
ProjectSettings.get_setting("display/window/size/viewport_height"),
)
## Whether each filter is enabled or disabled.
var filters_enabled: Dictionary[StringName, bool] = {}
var _filter_instances: Dictionary[StringName, ColorRect] = {}
func _enter_tree() -> void:
get_tree().scene_changed.connect(_on_scene_changed)
get_tree().root.size_changed.connect(_update_scale)
# populate screen filters
for file in ResourceLoader.list_directory(filters_dir):
var material = load(filters_dir.path_join(file)) as Material
if material:
var id = StringName(file.get_basename())
if _filter_instances.has(id):
push_error("Screen filter %s exists in two different resource files. Only one will exist" % id)
_filter_instances[id].queue_free()
_filter_instances.erase(id)
var instance = ColorRect.new()
instance.material = material
if material.get_meta(&"filter_native_resolution", false):
_native_filters_layer.add_child(instance)
else:
_viewport_container.add_child(instance)
_filter_instances[id] = instance
filters_enabled[id] = true
_update_scale.call_deferred()
var current_scene = get_tree().current_scene
@ -69,3 +99,8 @@ func _update_scale() -> void:
ScaleMode.STRETCH:
# just use the ratio as-is
_viewport_container.scale = size_ratio
# update screen filters state
for filter in filters_enabled:
_filter_instances[filter].visible = filters_enabled[filter]
_filter_instances[filter].custom_minimum_size = Vector2(size)

8
autoloads/display.tscn
View file

@ -2,11 +2,12 @@
[ext_resource type="Script" uid="uid://kwa8v1dhwlie" path="res://autoloads/display.gd" id="1_1seuv"]
[node name="Display" type="Node" node_paths=PackedStringArray("_viewport", "_viewport_container")]
[node name="Display" type="Node" node_paths=PackedStringArray("_viewport", "_viewport_container", "_native_filters_layer")]
script = ExtResource("1_1seuv")
scale_mode = 1
filters_dir = "res://assets/screen_filters"
_viewport = NodePath("SubViewportContainer/SubViewport")
_viewport_container = NodePath("SubViewportContainer")
_native_filters_layer = NodePath("SubViewportContainer/SubViewport/NativeResolutionFilters")
[node name="SubViewportContainer" type="SubViewportContainer" parent="."]
anchors_preset = 8
@ -26,3 +27,6 @@ pivot_offset = Vector2(128, 96)
handle_input_locally = false
size = Vector2i(256, 192)
render_target_update_mode = 4
[node name="NativeResolutionFilters" type="CanvasLayer" parent="SubViewportContainer/SubViewport"]
layer = 2147483647