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https://github.com/Moguri/blend2bam
A CLI tool to convert Blender blend files to Panda3D BAM files
https://github.com/Moguri/blend2bam
Last synced: 7 days ago
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A CLI tool to convert Blender blend files to Panda3D BAM files
- Host: GitHub
- URL: https://github.com/Moguri/blend2bam
- Owner: Moguri
- License: mit
- Created: 2019-01-14T06:50:20.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2024-10-13T23:33:28.000Z (about 1 month ago)
- Last Synced: 2024-10-14T14:37:18.747Z (about 1 month ago)
- Language: Python
- Size: 932 KB
- Stars: 65
- Watchers: 8
- Forks: 17
- Open Issues: 13
-
Metadata Files:
- Readme: README.md
- License: LICENSE.txt
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README
[](https://choosealicense.com/licenses/mit/)
# blend2bam
`blend2bam` is a CLI tool to convert Blender 2.80+ blend files to Panda3D BAM files.
It also supplies a Python file loader to add "native" blend file support to Panda3D.
## Features
The following are supported:
* Static Meshes
* Materials1
* Textures
* Lights
* Skinned Meshes
* Shape Keys
* Skeletal Mesh Animations
* Shape Key Animations 2
* Separate Animation Files
* Collision Shapes 3
* Tags from Custom Properties
* Convert Particle Systems to Meshes
1 The focus is on PBR materials with limited support for "legacy" materials.
For legacy materials, only diffuse color (pulled from base color) and normal maps are supported.
2 Shape key animations require Panda3D 1.10.6+
3 Collision shapes are generated from Blender's rigid body properties and shapes can be built for either Bullet or Panda3D's builtin collision system
Some notable missing features are:
* Object Animations
* Multiple Diffuse/Base Color Textures
The [conversion guide](docs/conversion-guide-gltf28.md) provides information on how Blender data gets converted to Panda3D data and any gotchas.
## Installation
Use [pip](https://github.com/panda3d/panda3d) to install the panda3d-blend2bam package:
```bash
pip install panda3d-blend2bam
```
Blender 2.80+ is required for `blend2bam` (ideally available on the system PATH).
If it is not, the directory containing `blender` can be specified with `--blender-dir` (see CLI usage).
## Usage
### CLI
```
usage: blend2bam [-h] [--version] [-v] [-m {legacy,pbr}] [--physics-engine {builtin,bullet}] [--srcdir SRCDIR] [--blender-dir BLENDER_DIR] [--blender-bin BLENDER_BIN]
[--append-ext] [--no-srgb] [--textures {ref,copy,embed}] [--animations {embed,separate,skip}] [--invisible-collisions-collection INVISIBLE_COLLISIONS_COLLECTION]
[--allow-double-sided-materials] src [src ...] dst
CLI tool to convert Blender blend files to Panda3D BAM files
positional arguments:
src source path
dst destination path
options:
-h, --help show this help message and exit
--version show program's version number and exit
-v, --verbose print out extra information (default: False)
-m {legacy,pbr}, --material-mode {legacy,pbr}
control how materials are exported (default: pbr)
--physics-engine {builtin,bullet}
the physics engine to build collision solids for (default: builtin)
--srcdir SRCDIR a common source directory to use when specifying multiple source files (default: None)
--blender-dir BLENDER_DIR
directory that contains the blender binary (default: )
--blender-bin BLENDER_BIN
name of the blender binary to use (default: blender)
--append-ext append extension on the destination instead of replacing it (batch mode only) (default: False)
--no-srgb do not load textures as sRGB textures (default: False)
--textures {ref,copy,embed}
how to handle external textures (default: ref)
--animations {embed,separate,skip}
how to handle animation data (default: embed)
--invisible-collisions-collection INVISIBLE_COLLISIONS_COLLECTION
name of a collection in blender whose collision objects will be exported without a visible geom node (default: InvisibleCollisions)
--allow-double-sided-materials
allow exporting double-sided materials (otherwise force all materials to be single-sided) (default: False)
```
### Python File Loader
`blend2bam` also supports Panda3D's Python file loader API (requires Panda3D 1.10.4+) to seamlessly adds blend file support to Panda3D's `Loader` classes.
This *does not* add support to `pview`, which is a C++ application that does not support Python file loaders.
## Running Tests
First install `blend2bam` in editable mode along with `test` extras:
```bash
pip install -e .[test]
```
Then run the test suite with `pytest`:
```bash
python -m pytest
```
## Building Wheels
Install `build`:
```bash
pip install --upgrade build
```
and run:
```bash
python -m build
```
## License
[MIT](https://choosealicense.com/licenses/mit/)