Fix node position handling

sources/iron_ui_nodes.c

@@ -1228,9 +1228,9 @@ void ui_node_canvas_encode(ui_node_canvas_t *canvas) {
 		armpack_encode_string("type");
 		armpack_encode_string(canvas->nodes->buffer[i]->type);
 		armpack_encode_string("x");
-		armpack_encode_i32(canvas->nodes->buffer[i]->x);
+		armpack_encode_f32(canvas->nodes->buffer[i]->x);
 		armpack_encode_string("y");
-		armpack_encode_i32(canvas->nodes->buffer[i]->y);
+		armpack_encode_f32(canvas->nodes->buffer[i]->y);
 		armpack_encode_string("color");
 		armpack_encode_i32(canvas->nodes->buffer[i]->color);
 
@@ -1349,9 +1349,9 @@ uint32_t ui_node_canvas_encoded_size(ui_node_canvas_t *canvas) {
 		size += armpack_size_string("type");
 		size += armpack_size_string(canvas->nodes->buffer[i]->type);
 		size += armpack_size_string("x");
-		size += armpack_size_i32();
+		size += armpack_size_f32();
 		size += armpack_size_string("y");
-		size += armpack_size_i32();
+		size += armpack_size_f32();
 		size += armpack_size_string("color");
 		size += armpack_size_i32();
 
@@ -1433,7 +1433,7 @@ uint32_t ui_node_canvas_encoded_size(ui_node_canvas_t *canvas) {
 		}
 
 		size += armpack_size_string("width");
-		size += armpack_size_i32();
+		size += armpack_size_f32();
 	}
 
 	size += armpack_size_string("links");
@@ -1525,7 +1525,7 @@ char *ui_node_canvas_to_json(ui_node_canvas_t *canvas) {
 		}
 		json_encode_end_array();
 
-		json_encode_i32("width", canvas->nodes->buffer[i]->width);
+		json_encode_f32("width", canvas->nodes->buffer[i]->width);
 		json_encode_end_object();
 	}
 	json_encode_end_array();

sources/iron_ui_nodes.h

@@ -51,13 +51,13 @@ typedef PACK(struct ui_node {
 	int id;
 	char *name;
 	char *type;
-	int x; // float x;
-	int y; // float y;
+	float x;
+	float y;
 	uint32_t color;
 	ui_node_socket_array_t *inputs;
 	ui_node_socket_array_t *outputs;
 	ui_node_button_array_t *buttons;
-	int width; // float width
+	float width;
 }) ui_node_t;
 
 typedef PACK(struct ui_node_link {