Started buildings undo system implementation

godot/main/editor.gd

@@ -17,6 +17,7 @@ func _ready():
 		$"%select_poi",
 		$"%select_road_lines",
 		$"%select_npc",
+		$"%buildings_save",
 		]:
 		b.connect("pressed", $WorldEditor, "editor_command", [b.name, []])
 	$WorldEditor.connect("editor_event", self, "editor_event")
@@ -120,8 +121,9 @@ func check_edit_building():
 				print("get closest building")
 				$WorldEditor.editor_command("get_closest_building", [Transform(Basis(), proj)])
 	elif Input.is_action_pressed("mouse1"):
+		# Moving buildings
 		if $"%buildings_edit_mode".selected == 1:
-			if drag_delay < 0.0:
+			if drag_delay < 0.0 && !dragging:
 				dragging = true
 				var position = get_viewport().get_mouse_position()
 				var camera = get_viewport().get_camera()
@@ -132,8 +134,8 @@ func check_edit_building():
 				var result = space_state.intersect_ray(start, end, [], 1 << 15, false, true)
 				if result.has("collider"):
 					var proj = result.position
-					if $"%buildings_edit_mode".selected == 1:
 					drag_start = proj
+				$WorldEditor.editor_command("buildings_checkpoint", [])
 			else:
 				drag_delay -= get_process_delta_time()
 		else:

godot/main/editor.tscn

@@ -110,7 +110,7 @@ text = "NPC Mode"
 unique_name_in_owner = true
 margin_top = 154.0
 margin_right = 160.0
-margin_bottom = 224.0
+margin_bottom = 248.0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer/v_buildings"]
 margin_right = 160.0
@@ -138,11 +138,18 @@ margin_right = 160.0
 margin_bottom = 70.0
 text = "Building Type"
 
+[node name="buildings_save" type="Button" parent="VBoxContainer/v_buildings"]
+unique_name_in_owner = true
+margin_top = 74.0
+margin_right = 160.0
+margin_bottom = 94.0
+text = "Save Buildings"
+
 [node name="v_navigation" type="VBoxContainer" parent="VBoxContainer"]
 unique_name_in_owner = true
-margin_top = 228.0
+margin_top = 252.0
 margin_right = 160.0
-margin_bottom = 250.0
+margin_bottom = 274.0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer/v_navigation"]
 margin_right = 160.0
@@ -156,9 +163,9 @@ text = "Navigation mode"
 
 [node name="v_poi" type="VBoxContainer" parent="VBoxContainer"]
 unique_name_in_owner = true
-margin_top = 254.0
+margin_top = 278.0
 margin_right = 160.0
-margin_bottom = 276.0
+margin_bottom = 300.0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer/v_poi"]
 margin_right = 160.0
@@ -172,9 +179,9 @@ text = "POI mode"
 
 [node name="v_road_lines" type="VBoxContainer" parent="VBoxContainer"]
 unique_name_in_owner = true
-margin_top = 280.0
+margin_top = 304.0
 margin_right = 160.0
-margin_bottom = 302.0
+margin_bottom = 326.0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer/v_road_lines"]
 margin_right = 160.0
@@ -188,9 +195,9 @@ text = "Road Lines mode"
 
 [node name="v_npc" type="VBoxContainer" parent="VBoxContainer"]
 unique_name_in_owner = true
-margin_top = 306.0
+margin_top = 330.0
 margin_right = 160.0
-margin_bottom = 328.0
+margin_bottom = 352.0
 
 [node name="HSeparator" type="HSeparator" parent="VBoxContainer/v_npc"]
 margin_right = 160.0

src/modules/stream/stream.cpp

@@ -337,6 +337,12 @@ void StreamWorld::run_command(const String &command, const Array &args)
 		bnode->set_global_transform(args[1]);
 		VariantWriter::write_to_string(buildings[id].xform, key);
 		buildings[id].key = key;
+	} else if (command == "buildings_checkpoint") {
+		/* TODO */
+	} else if (command == "buildings_undo") {
+		/* TODO */
+	} else if (command == "buildings_save") {
+		/* TODO */
 	} else
 		print_error("No command " + command);
 }

src/modules/stream/world_editor.cpp

@@ -120,6 +120,18 @@ void WorldEditor::editor_command(const String &command, const Array &args)
 		if (stream_world) {
 			stream_world->run_command(command, args);
 		}
+	} else if (command == "buildings_checkpoint") {
+		if (stream_world) {
+			stream_world->run_command(command, args);
+		}
+	} else if (command == "buildings_undo") {
+		if (stream_world) {
+			stream_world->run_command(command, args);
+		}
+	} else if (command == "buildings_save") {
+		if (stream_world) {
+			stream_world->run_command(command, args);
+		}
 	}
 }