Implement save and loading games (#8)

game/ui/commons/save/save_game.gd

@@ -0,0 +1,59 @@
+extends Control
+
+signal back_button_pressed
+
+export(PackedScene) var slot_ui_scene
+
+var slot_pressed
+
+func _ready():
+	refresh_savegames()
+
+
+func _on_slot_pressed(p_slot_n: int):
+	slot_pressed = p_slot_n
+	if escoria.save_manager.save_game_exists(p_slot_n):
+		# TODO Manage save override, ask for confirmation
+		pass
+	else:
+		$save_name_popup.popup()
+
+
+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])
+	
+	var datetime = OS.get_datetime()
+	var datetime_string = "%02d/%02d/%02d %02d:%02d" % [
+		datetime["day"],
+		datetime["month"],
+		datetime["year"],
+		datetime["hour"],
+		datetime["minute"],
+	]
+	var new_slot = slot_ui_scene.instance()
+	$ScrollContainer/slots.add_child(new_slot)
+	new_slot.set_slot_name_date(tr("New save"), datetime_string)
+	new_slot.connect("pressed", self, "_on_slot_pressed", [saves_list.size()+1])
+		
+
+func _on_back_pressed():
+	emit_signal("back_button_pressed")
+
+
+func _on_save_name_popup_savegame_name_ok(p_savename: String):
+	escoria.save_manager.save_game(slot_pressed, p_savename)
+	refresh_savegames()
+	slot_pressed = null
+
+
+func _on_save_name_popup_savegame_cancel():
+	pass 

game/ui/commons/save/save_game.tscn

@@ -0,0 +1,54 @@
+[gd_scene load_steps=5 format=2]
+
+[ext_resource path="res://game/ui/commons/load_save_slot/load_save_slot.tscn" type="PackedScene" id=1]
+[ext_resource path="res://game/ui/commons/save/save_game.gd" type="Script" id=2]
+[ext_resource path="res://game/ui/commons/fonts/caslonantique.tres" type="DynamicFont" id=3]
+[ext_resource path="res://game/ui/commons/save/save_name_popup.tscn" type="PackedScene" id=4]
+
+[node name="save_game" type="Control"]
+anchor_right = 1.0
+anchor_bottom = 1.0
+script = ExtResource( 2 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+slot_ui_scene = ExtResource( 1 )
+
+[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( 3 )
+text = "OPTIONS_BACK"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="ScrollContainer" type="ScrollContainer" parent="."]
+anchor_left = 0.284
+anchor_top = 0.367
+anchor_right = 0.709
+anchor_bottom = 0.94
+margin_left = 8.47998
+margin_top = 0.699982
+margin_right = 0.479919
+margin_bottom = -6.10352e-05
+__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
+}
+
+[node name="save_name_popup" parent="." instance=ExtResource( 4 )]
+
+[connection signal="pressed" from="back" to="." method="_on_back_pressed"]
+[connection signal="savegame_cancel" from="save_name_popup" to="." method="_on_save_name_popup_savegame_cancel"]
+[connection signal="savegame_name_ok" from="save_name_popup" to="." method="_on_save_name_popup_savegame_name_ok"]

game/ui/commons/save/save_name_popup.gd

@@ -0,0 +1,14 @@
+extends PopupDialog
+
+signal savegame_name_ok(savegame_name)
+signal savegame_cancel
+
+func _on_cancel_pressed():
+	emit_signal("savegame_cancel")
+	hide()
+
+func _on_ok_pressed():
+	if not $MarginContainer/VBoxContainer/LineEdit.text.empty():
+		emit_signal("savegame_name_ok", $MarginContainer/VBoxContainer/LineEdit.text)
+		$MarginContainer/VBoxContainer/LineEdit.clear()
+		hide()

game/ui/commons/save/save_name_popup.tscn

@@ -0,0 +1,81 @@
+[gd_scene load_steps=3 format=2]
+
+[ext_resource path="res://game/ui/commons/fonts/caslonantique.tres" type="DynamicFont" id=1]
+[ext_resource path="res://game/ui/commons/save/save_name_popup.gd" type="Script" id=2]
+
+[node name="save_name_popup" type="PopupDialog"]
+margin_left = 429.0
+margin_top = 281.0
+margin_right = 863.0
+margin_bottom = 442.0
+script = ExtResource( 2 )
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="MarginContainer" type="MarginContainer" parent="."]
+anchor_right = 1.0
+anchor_bottom = 1.0
+custom_constants/margin_right = 30
+custom_constants/margin_top = 30
+custom_constants/margin_left = 30
+custom_constants/margin_bottom = 30
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="VBoxContainer" type="VBoxContainer" parent="MarginContainer"]
+margin_left = 30.0
+margin_top = 30.0
+margin_right = 404.0
+margin_bottom = 131.0
+
+[node name="Label" type="Label" parent="MarginContainer/VBoxContainer"]
+margin_right = 374.0
+margin_bottom = 21.0
+custom_fonts/font = ExtResource( 1 )
+text = "ENTER_SAVE_NAME"
+
+[node name="LineEdit" type="LineEdit" parent="MarginContainer/VBoxContainer"]
+margin_top = 25.0
+margin_right = 374.0
+margin_bottom = 56.0
+custom_fonts/font = ExtResource( 1 )
+
+[node name="HBoxContainer" type="HBoxContainer" parent="."]
+anchor_left = 1.0
+anchor_top = 1.0
+anchor_right = 1.0
+anchor_bottom = 1.0
+margin_left = -224.0
+margin_top = -56.0
+margin_right = -30.0
+margin_bottom = -20.0
+custom_constants/separation = 10
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="cancel" type="Button" parent="HBoxContainer"]
+margin_right = 96.0
+margin_bottom = 36.0
+size_flags_horizontal = 3
+custom_fonts/font = ExtResource( 1 )
+text = "CANCEL"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="ok" type="Button" parent="HBoxContainer"]
+margin_left = 106.0
+margin_right = 194.0
+margin_bottom = 36.0
+size_flags_horizontal = 3
+custom_fonts/font = ExtResource( 1 )
+text = "OK"
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[connection signal="pressed" from="HBoxContainer/cancel" to="." method="_on_cancel_pressed"]
+[connection signal="pressed" from="HBoxContainer/ok" to="." method="_on_ok_pressed"]