Implement save and loading games (#8)

game/ui/commons/load/load_game.gd

@@ -0,0 +1,26 @@
+extends Control
+
+signal back_button_pressed
+
+export(PackedScene) var slot_ui_scene
+
+func _ready():
+	refresh_savegames()
+
+func _on_slot_pressed(slot_id: int) -> void:
+	escoria.save_manager.load_game(slot_id)
+
+func _on_back_pressed():
+	emit_signal("back_button_pressed")
+
+func refresh_savegames():
+	for slot in $ScrollContainer/slots.get_children():
+		$ScrollContainer/slots.remove_child(slot)
+	
+	var saves_list = escoria.save_manager.get_saves_list()
+	for i in saves_list.size():
+		var save_data = saves_list[i+1]
+		var new_slot = slot_ui_scene.instance()
+		$ScrollContainer/slots.add_child(new_slot)
+		new_slot.set_slot_name_date(save_data["name"], save_data["date"])
+		new_slot.connect("pressed", self, "_on_slot_pressed", [i+1])

game/ui/commons/load/load_game.tscn

@@ -0,0 +1,50 @@
+[gd_scene load_steps=4 format=2]
+
+[ext_resource path="res://game/ui/commons/fonts/caslonantique.tres" type="DynamicFont" id=1]
+[ext_resource path="res://game/ui/commons/load_save_slot/load_save_slot.tscn" type="PackedScene" id=2]
+[ext_resource path="res://game/ui/commons/load/load_game.gd" type="Script" id=3]
+
+[node name="load_game" type="Control"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+script = ExtResource( 3 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+slot_ui_scene = ExtResource( 2 )
+
+[node name="back" type="Button" parent="."]
+margin_left = 130.0
+margin_top = 329.0
+margin_right = 304.0
+margin_bottom = 383.0
+custom_fonts/font = ExtResource( 1 )
+text = "OPTIONS_BACK"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="ScrollContainer" type="ScrollContainer" parent="."]
+anchor_left = 0.291
+anchor_top = 0.369
+anchor_right = 0.709
+anchor_bottom = 0.941
+margin_left = -0.480011
+margin_top = -1.10001
+margin_right = 0.479919
+margin_bottom = -0.900024
+scroll_horizontal_enabled = false
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="slots" type="VBoxContainer" parent="ScrollContainer"]
+margin_right = 536.0
+margin_bottom = 515.0
+size_flags_horizontal = 3
+size_flags_vertical = 3
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[connection signal="pressed" from="back" to="." method="_on_back_pressed"]