# Stocker Helper

A Blender add-on for [Stocker Geometry Nodes](https://garylritchie.gumroad.com/l/stocker).

## Overview

The **Stocker Helper** creates a boundary cube that encompasses selected objects. It calculates the global bounding box, generates a mesh, aligns the origin to the bottom-front-left corner, and applies Geometry Node templates.

## Features

* **Bounding Box Calculation:** Calculates the global spatial extent of selected mesh objects.
* **Origin Alignment:** Sets the boundary object's origin to the **Back-Left** extreme (+Y, -X).
* **Geometry Nodes Injection:** Applies a `NODES` modifier using templates named `grid_pack` or `circle_pack`.
* **Asset Fetching:** Scans registered Asset Libraries for required node groups.
* **Height Buffer Control:** Adds a percentage-based buffer to the Z-height via a slider.
* **UI:** Access via the **Stocker** tab in the 3D Viewport N-Panel.

## Requirements

* **Blender Version:** 4.5
* **Node Group Templates:** The `.blend` file or the Stocker Asset Library **must** contain Geometry Node groups named `grid_pack` and `circle_pack`.

## Installation

1. Download `stocker_helper.zip`.
2. Drag the `.zip` file into Blender.

## Usage

1. **Select Objects:** Select the objects for the packing area.
2. **Open Sidebar:** Press `N` in the 3D Viewport.
3. **Locate Tab:** Click the **Stocker** tab.
4. **Adjust Height Buffer:** Set the height buffer percentage.
5. **Run Setup:** Click **Grid Boundary** or **Circle Boundary**.
6. **Result:** An object named `Stocker_Boundary` is created with the configured Geometry Nodes modifier and origin.

## Recent Improvements

* **Asset Library Scan:** Implemented priority for "stocker" libraries and automatic appending of missing node groups.
* **Code Robustness:** Updated imports and classmethod poll attributes for Blender Extension compliance.