Add SaveManager autoload singleton

	Globally handles save finding, creation, removal, changes, naming, and flushing
	Globally handles the session tags for the active save

Add SaveLoadMenu to GameSession
Add Start Date Panel and Save Panel loading to LobbyMenu
	Includes session tag filter

Add LobbyPanelButton and SavePanelButton scene and scripts

Add SaveResource to handle saving and loading individual save files
Add localization for SaveLoadMenu
Expand localization for additions to LobbyMenu
Add ButtonContainer variation type to default theme

Fulfill:
	UI-82, UI-83, UI-84, UI-85, UI-87, UI-89, UI-90, UI-91, UI-92, UI-94
	UIFUN-82, UIFUN-83, UIFUN-84, UIFUN-86, UIFUN-87, UIFUN-89
	FS-28

5 files changed, 386 insertions, 0 deletions

diff --git a/game/src/SaveLoadMenu/SaveLoadMenu.gd b/game/src/SaveLoadMenu/SaveLoadMenu.gd
new file mode 100644
index 0000000..abf1f8c
--- /dev/null
+++ b/game/src/SaveLoadMenu/SaveLoadMenu.gd
@@ -0,0 +1,119 @@
+extends Control
+
+@export var _save_scene : PackedScene
+
+@export_group("Nodes")
+@export var _label : Label
+@export var _scroll_list : BoxContainer
+@export var _save_line_edit : LineEdit
+@export var _save_load_button : Button
+@export var _tag_selection_tab : TabBar
+@export var _delete_dialog : ConfirmationDialog
+@export var _overwrite_dialog : ConfirmationDialog
+
+var is_save_menu : bool = true
+var _id_to_tag : Array[StringName] = []
+
+func filter_for_tag(tag : StringName) -> void:
+	for child in _scroll_list.get_children():
+		if tag == &"":
+			child.show()
+		else:
+			if tag == child.resource.session_tag:
+				child.show()
+			else:
+				child.hide()
+
+func show_for_load() -> void:
+	_label.text = "SAVELOADMENU_LOAD_TITLE"
+	_save_load_button.text = "SAVELOADMENU_LOAD_BUTTON"
+	_save_line_edit.editable = false
+	is_save_menu = false
+	show()
+
+func show_for_save() -> void:
+	_label.text = "SAVELOADMENU_SAVE_TITLE"
+	_save_load_button.text = "SAVELOADMENU_SAVE_BUTTON"
+	_save_line_edit.editable = true
+	is_save_menu = true
+	show()
+
+func _build_save_list() -> void:
+	_tag_selection_tab.add_tab("SAVELOADMENU_TABSELECTIONTABBAR_ALL")
+	for save_name in SaveManager._save_dictionary:
+		var save : SaveResource = SaveManager._save_dictionary[save_name]
+		var save_node := _create_save_node(save)
+		_scroll_list.add_child(save_node)
+		if not _id_to_tag.has(save.session_tag):
+			_id_to_tag.append(save.session_tag)
+			_tag_selection_tab.add_tab(save.session_tag)
+
+func _create_save_node(resource : SaveResource) -> Control:
+	var save_node = _save_scene.instantiate()
+	save_node.resource = resource
+	save_node.pressed.connect(_on_save_node_pressed.bind(save_node))
+	save_node.request_to_delete.connect(_on_save_node_delete_requested.bind(save_node))
+	return save_node
+
+func _queue_clear_scroll_list() -> void:
+	for child in _scroll_list.get_children():
+		child.queue_free()
+	_tag_selection_tab.clear_tabs()
+	_id_to_tag.clear()
+
+# REQUIREMENTS:
+# * UIFUN-84
+# * UIFUN-89
+func _on_close_button_pressed() -> void:
+	hide()
+
+func _on_delete_dialog_confirmed() -> void:
+	_requested_node_to_delete.resource.delete()
+	_requested_node_to_delete.queue_free()
+
+# REQUIREMENTS:
+# * UIFUNC-83
+func _on_overwrite_dialog_confirmed() -> void:
+	SaveManager.add_or_replace_save(SaveManager.make_new_save(_submitted_text))
+	_on_close_button_pressed()
+
+var _submitted_text : String = ""
+func _on_save_line_edit_text_submitted(new_text) -> void:
+	_submitted_text = new_text
+	if SaveManager.has_save(new_text):
+		_overwrite_dialog.dialog_text = tr("SAVELOADMENU_OVERWRITE_DIALOG_TEXT").format({ "file_name": _submitted_text })
+		_overwrite_dialog.title = tr("SAVELOADMENU_OVERWRITE_DIALOG_TITLE").format({ "file_name": _submitted_text })
+		_overwrite_dialog.popup_centered()
+		return
+	_on_overwrite_dialog_confirmed()
+
+func _on_save_load_button_pressed() -> void:
+	if is_save_menu:
+		_save_line_edit.text_submitted.emit(_save_line_edit.text)
+
+var _requested_node_to_delete : Control
+func _on_save_node_delete_requested(node : Control) -> void:
+	_requested_node_to_delete = node
+	_delete_dialog.dialog_text = tr("SAVELOADMENU_DELETE_DIALOG_TEXT").format({ "file_name": _requested_node_to_delete.resource.save_name })
+	_delete_dialog.title = tr("SAVELOADMENU_DELETE_DIALOG_TITLE").format({ "file_name": _requested_node_to_delete.resource.save_name })
+	_delete_dialog.popup_centered()
+
+# REQUIREMENTS:
+# * UIFUN-81
+# * UIFUN-86
+func _on_save_node_pressed(node : Control) -> void:
+	if is_save_menu:
+		_save_line_edit.text = node.resource.save_name
+
+func _on_tag_selection_tab_bar_tab_changed(tab) -> void:
+	if tab == 0:
+		filter_for_tag(&"")
+	else:
+		filter_for_tag(_id_to_tag[tab - 1])
+
+func _on_visibility_changed() -> void:
+	if visible:
+		_build_save_list()
+	else:
+		_queue_clear_scroll_list()
+		SaveManager.flush_save()
diff --git a/game/src/SaveLoadMenu/SaveLoadMenu.tscn b/game/src/SaveLoadMenu/SaveLoadMenu.tscn
new file mode 100644
index 0000000..e9f068e
--- /dev/null
+++ b/game/src/SaveLoadMenu/SaveLoadMenu.tscn
@@ -0,0 +1,109 @@
+[gd_scene load_steps=5 format=3 uid="uid://d3g6wbvwflmyk"]
+
+[ext_resource type="Script" path="res://src/SaveLoadMenu/SaveLoadMenu.gd" id="1_3jkds"]
+[ext_resource type="PackedScene" uid="uid://d2s7roinx2or7" path="res://src/SaveLoadMenu/SavePanelButton.tscn" id="2_fc6r3"]
+
+[sub_resource type="InputEventAction" id="InputEventAction_8vo2t"]
+action = &"ui_accept"
+pressed = true
+
+[sub_resource type="Shortcut" id="Shortcut_o1f2l"]
+events = [SubResource("InputEventAction_8vo2t")]
+
+[node name="SaveLoadMenu" type="MarginContainer" node_paths=PackedStringArray("_label", "_scroll_list", "_save_line_edit", "_save_load_button", "_tag_selection_tab", "_delete_dialog", "_overwrite_dialog")]
+editor_description = "UI-82, UI-89"
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+theme_override_constants/margin_left = 250
+theme_override_constants/margin_top = 100
+theme_override_constants/margin_right = 250
+theme_override_constants/margin_bottom = 100
+script = ExtResource("1_3jkds")
+_save_scene = ExtResource("2_fc6r3")
+_label = NodePath("SaveLoadPanel/SaveLoadList/TitleBarList/SaveLoadLabel")
+_scroll_list = NodePath("SaveLoadPanel/SaveLoadList/SaveLoadScroll/SaveLoadScrollList")
+_save_line_edit = NodePath("SaveLoadPanel/SaveLoadList/SaveLineEdit")
+_save_load_button = NodePath("SaveLoadPanel/SaveLoadList/SaveLoadButton")
+_tag_selection_tab = NodePath("SaveLoadPanel/SaveLoadList/TagSelectionList/TagSelectionTabBar")
+_delete_dialog = NodePath("DeleteDialog")
+_overwrite_dialog = NodePath("OverwriteDialog")
+
+[node name="SaveLoadPanel" type="PanelContainer" parent="."]
+layout_mode = 2
+
+[node name="SaveLoadList" type="VBoxContainer" parent="SaveLoadPanel"]
+layout_mode = 2
+
+[node name="TitleBarList" type="HBoxContainer" parent="SaveLoadPanel/SaveLoadList"]
+layout_mode = 2
+alignment = 2
+
+[node name="SaveLoadLabel" type="Label" parent="SaveLoadPanel/SaveLoadList/TitleBarList"]
+layout_mode = 2
+size_flags_horizontal = 6
+text = "SAVELOADMENU_SAVE_TITLE"
+
+[node name="CloseButton" type="Button" parent="SaveLoadPanel/SaveLoadList/TitleBarList"]
+editor_description = "UI-87, UI-94"
+layout_mode = 2
+text = "X"
+
+[node name="TagSelectionList" type="HBoxContainer" parent="SaveLoadPanel/SaveLoadList"]
+layout_mode = 2
+
+[node name="TagSelectionLabel" type="Label" parent="SaveLoadPanel/SaveLoadList/TagSelectionList"]
+layout_mode = 2
+text = "SAVELOADMENU_SESSION"
+
+[node name="TagSelectionTabBar" type="TabBar" parent="SaveLoadPanel/SaveLoadList/TagSelectionList"]
+layout_mode = 2
+size_flags_horizontal = 3
+tab_count = 1
+tab_0/title = "SAVELOADMENU_TABSELECTIONTABBAR_ALL"
+
+[node name="SaveLoadScroll" type="ScrollContainer" parent="SaveLoadPanel/SaveLoadList"]
+editor_description = "UI-83, UI-90"
+layout_mode = 2
+size_flags_vertical = 3
+
+[node name="SaveLoadScrollList" type="VBoxContainer" parent="SaveLoadPanel/SaveLoadList/SaveLoadScroll"]
+layout_mode = 2
+size_flags_horizontal = 3
+size_flags_vertical = 3
+
+[node name="SaveLineEdit" type="LineEdit" parent="SaveLoadPanel/SaveLoadList"]
+editor_description = "UI-85, UI-92"
+layout_mode = 2
+
+[node name="SaveLoadButton" type="Button" parent="SaveLoadPanel/SaveLoadList"]
+editor_description = "UIFUN-82, UIFUN-87"
+layout_mode = 2
+size_flags_horizontal = 4
+shortcut = SubResource("Shortcut_o1f2l")
+shortcut_feedback = false
+text = "SAVELOADMENU_SAVE_BUTTON"
+
+[node name="DeleteDialog" type="ConfirmationDialog" parent="."]
+disable_3d = true
+title = "SAVELOADMENU_DELETE_DIALOG_TITLE"
+ok_button_text = "DIALOG_OK"
+dialog_text = "SAVELOADMENU_DELETE_DIALOG_TEXT"
+cancel_button_text = "DIALOG_CANCEL"
+
+[node name="OverwriteDialog" type="ConfirmationDialog" parent="."]
+disable_3d = true
+title = "SAVELOADMENU_OVERWRITE_DIALOG_TITLE"
+ok_button_text = "DIALOG_OK"
+dialog_text = "SAVELOADMENU_OVERWRITE_DIALOG_TEXT"
+cancel_button_text = "DIALOG_CANCEL"
+
+[connection signal="visibility_changed" from="." to="." method="_on_visibility_changed"]
+[connection signal="pressed" from="SaveLoadPanel/SaveLoadList/TitleBarList/CloseButton" to="." method="_on_close_button_pressed"]
+[connection signal="tab_changed" from="SaveLoadPanel/SaveLoadList/TagSelectionList/TagSelectionTabBar" to="." method="_on_tag_selection_tab_bar_tab_changed"]
+[connection signal="text_submitted" from="SaveLoadPanel/SaveLoadList/SaveLineEdit" to="." method="_on_save_line_edit_text_submitted"]
+[connection signal="pressed" from="SaveLoadPanel/SaveLoadList/SaveLoadButton" to="." method="_on_save_load_button_pressed"]
+[connection signal="confirmed" from="DeleteDialog" to="." method="_on_delete_dialog_confirmed"]
+[connection signal="confirmed" from="OverwriteDialog" to="." method="_on_overwrite_dialog_confirmed"]
diff --git a/game/src/SaveLoadMenu/SavePanelButton.gd b/game/src/SaveLoadMenu/SavePanelButton.gd
new file mode 100644
index 0000000..5fe4917
--- /dev/null
+++ b/game/src/SaveLoadMenu/SavePanelButton.gd
@@ -0,0 +1,41 @@
+@tool
+extends LobbyPanelButton
+
+signal request_to_delete
+
+@export_group("Nodes")
+@export var country_flag : TextureRect
+@export var date_label : Label
+@export var delete_button : BaseButton
+
+var resource : SaveResource:
+	get:
+		return resource
+	set(value):
+		if resource != null:
+			resource.changed.disconnect(_resource_changed)
+		resource = value
+		if resource != null:
+			resource.changed.connect(_resource_changed)
+		_resource_changed()
+
+func get_text() -> StringName:
+	return resource.save_name
+
+func set_text(value : StringName) -> void:
+	if resource != null:
+		resource.save_name = value
+
+func _ready():
+	_resource_changed()
+
+func _is_start_date() -> bool:
+	return false
+
+func _resource_changed() -> void:
+	if resource == null: return
+	name_label.text = resource.save_name
+	date_label.text = Time.get_datetime_string_from_unix_time(resource.get_save_file_time(), true)
+
+func _on_delete_button_pressed() -> void:
+	request_to_delete.emit()
diff --git a/game/src/SaveLoadMenu/SavePanelButton.tscn b/game/src/SaveLoadMenu/SavePanelButton.tscn
new file mode 100644
index 0000000..3a71a57
--- /dev/null
+++ b/game/src/SaveLoadMenu/SavePanelButton.tscn
@@ -0,0 +1,58 @@
+[gd_scene load_steps=2 format=3 uid="uid://d2s7roinx2or7"]
+
+[ext_resource type="Script" path="res://src/SaveLoadMenu/SavePanelButton.gd" id="1_rtuo6"]
+
+[node name="SavePanelButton" type="Container" node_paths=PackedStringArray("country_flag", "date_label", "delete_button", "background_button", "name_label")]
+editor_description = "UI-84, UI-91"
+offset_right = 276.0
+offset_bottom = 48.0
+script = ExtResource("1_rtuo6")
+country_flag = NodePath("SaveList/CountryFlag")
+date_label = NodePath("SaveList/DateLabel")
+delete_button = NodePath("SaveList/DeleteButton")
+background_button = NodePath("BackgroundButton")
+name_label = NodePath("SaveList/NameLabel")
+
+[node name="BackgroundButton" type="Button" parent="."]
+layout_mode = 2
+theme_type_variation = &"ButtonContainer"
+
+[node name="SaveList" type="HBoxContainer" parent="."]
+layout_mode = 2
+mouse_filter = 2
+
+[node name="CountryFlag" type="TextureRect" parent="SaveList"]
+layout_mode = 2
+size_flags_horizontal = 0
+size_flags_vertical = 4
+mouse_filter = 2
+
+[node name="NameLabel" type="Label" parent="SaveList"]
+layout_mode = 2
+size_flags_horizontal = 0
+size_flags_vertical = 1
+text = "PLACEHOLDER"
+vertical_alignment = 1
+
+[node name="DateLabel" type="Label" parent="SaveList"]
+layout_mode = 2
+size_flags_horizontal = 0
+size_flags_vertical = 1
+text = "00.00.0000"
+vertical_alignment = 1
+
+[node name="Separator" type="Control" parent="SaveList"]
+layout_mode = 2
+size_flags_horizontal = 3
+mouse_filter = 2
+
+[node name="DeleteButton" type="Button" parent="SaveList"]
+layout_mode = 2
+size_flags_horizontal = 8
+text = "x"
+
+[connection signal="button_down" from="BackgroundButton" to="." method="_on_background_button_button_down"]
+[connection signal="button_up" from="BackgroundButton" to="." method="_on_background_button_button_up"]
+[connection signal="pressed" from="BackgroundButton" to="." method="_on_background_button_pressed"]
+[connection signal="toggled" from="BackgroundButton" to="." method="_on_background_button_toggled"]
+[connection signal="pressed" from="SaveList/DeleteButton" to="." method="_on_delete_button_pressed"]
diff --git a/game/src/SaveLoadMenu/SaveResource.gd b/game/src/SaveLoadMenu/SaveResource.gd
new file mode 100644
index 0000000..5e7faa6
--- /dev/null
+++ b/game/src/SaveLoadMenu/SaveResource.gd
@@ -0,0 +1,59 @@
+extends Resource
+class_name SaveResource
+
+signal file_flushed(path : String)
+signal file_loaded
+signal file_moved_to_trash
+signal file_deleted
+signal trash_moved
+signal deleted
+
+var save_name : StringName:
+	get: return save_name
+	set(v):
+		save_name = v
+		file.set_value("Save", "name", save_name)
+		emit_changed()
+var session_tag : StringName:
+	get: return session_tag
+	set(v):
+		session_tag = v
+		file.set_value("Save", "session_tag", v)
+		emit_changed()
+var file_path : String:
+	get: return file_path
+	set(v):
+		file_path = v
+		emit_changed()
+var file : ConfigFile = ConfigFile.new()
+
+func set_file_path(name : StringName, path : String):
+	file_path = path
+	save_name = name
+
+func flush_save() -> Error:
+	file_flushed.emit(file_path)
+	var result := file.save(file_path)
+	file.clear()
+	return result
+
+func load_save(path : String = file_path) -> Error:
+	file_loaded.emit()
+	var result := file.load(path)
+	session_tag = file.get_value("Save", "session_tag", session_tag)
+	if path != file_path:
+		set_file_path(file.get_value("Save", "name", save_name), path)
+	return result
+
+func get_save_file_time() -> int:
+	return FileAccess.get_modified_time(file_path)
+
+func move_to_trash() -> Error:
+	trash_moved.emit()
+	file_moved_to_trash.emit()
+	return OS.move_to_trash(file_path)
+
+func delete() -> Error:
+	deleted.emit()
+	file_deleted.emit()
+	return DirAccess.remove_absolute(file_path)