Merge pull request #109 from Nemrav/gui-scaling

Add UI scaling through menu option

1 files changed, 64 insertions, 0 deletions

diff --git a/game/src/OptionMenu/GuiScaleSelector.gd b/game/src/OptionMenu/GuiScaleSelector.gd
new file mode 100644
index 0000000..6593a07
--- /dev/null
+++ b/game/src/OptionMenu/GuiScaleSelector.gd
@@ -0,0 +1,64 @@
+extends SettingOptionButton
+
+# REQUIREMENTS
+# * UIFUN-24
+# * UIFUN-31
+
+@export
+var default_value : float = GuiScale.error_guiscale
+
+func _find_guiscale_index_by_value(value : float) -> int:
+	for item_index in item_count:
+		if get_item_metadata(item_index) == value:
+			return item_index
+	return -1
+
+func _sync_guiscales(to_select : float = GuiScale.get_current_guiscale()) -> void:
+	clear()
+	default_selected = -1
+	selected = -1
+	for guiscale_value in GuiScale.get_guiscale_value_list():
+		add_item(GuiScale.get_guiscale_display_name(guiscale_value))
+		set_item_metadata(item_count - 1, guiscale_value)
+
+		if guiscale_value == default_value:
+			default_selected = item_count - 1
+
+		if guiscale_value == to_select:
+			selected = item_count - 1
+
+	if default_selected == -1:
+		default_selected = item_count - 1
+
+	if selected == -1:
+		selected = default_selected
+	
+func _setup_button():
+	if default_value <= 0:
+		default_value = ProjectSettings.get_setting("display/window/stretch/scale")
+	GuiScale.add_guiscale(default_value, &"default")
+	_sync_guiscales()
+
+func _get_value_for_file(select_value : int):
+	if _valid_index(select_value):
+		return get_item_metadata(select_value)
+	else:
+		return null
+
+func _set_value_from_file(load_value):
+	if typeof(load_value) == TYPE_FLOAT:
+		var target_guiscale : float = load_value
+		selected = _find_guiscale_index_by_value(target_guiscale)
+		if selected != -1: return
+		if GuiScale.add_guiscale(target_guiscale):
+			_sync_guiscales(target_guiscale)
+			return
+	push_error("Setting value '%s' invalid for setting [%s] %s" % [load_value, section_name, setting_name])
+	selected = default_selected
+
+func _on_item_selected(index:int):
+	if _valid_index(index):
+		GuiScale.set_guiscale(get_item_metadata(index))
+	else:
+		push_error("Invalid GuiScaleSelector index: %d" % index)
+		reset_setting()