A blender import/export system for Defold

Related tags

Data Visualizationdefold-blender-export
Overview

defold-blender-export

A Blender export system for the Defold game engine.

Setup Notes

There are no exhaustive documents for this tool yet. Its just not complete, so everything is very much 'in flux'.

Note: The Sync Tool is now a Blender Only addon. This makes building Defold resource collections much simpler.

To use the tool follow the guide below.

  1. Copy the blender/addons/sync_tool folder to the blender addons folder. See blender docs for this.
  2. Or.. you can copy the blender/addons/sync_tool/* files into the folder where your blender source file is, and the scripts should work from there.
  3. Open the blender file you want to work in (or open the test.blend to see an example already setup)
  4. Open the text editor in blender and loadin in the script "defoldSynUI.py"
  5. Run this file. You should see "bpy.ops.text.run_script()" in the Info Window in blender.
  6. Open the 3D layout window in blender and ensure you are in "Object Mode".
  7. Examine the Tools menu on the right side of the Layout 3D View (see below) alt text
  8. Enter the appropriate properties for Scene Name and Directory (project directory to save into).
  9. Select "Sync Build" for the scene mode and press the "Sync Scene" button when ready.

A folder will be created in the target project directory with all the resources needed to load the scene into Defold.

At a minimum you should see a collection file and some gameobjects (in the gameobjects folder). You can open this project and open the collection. While the "Sync" tickbox is enabled, data will be written to the collection file - do not save new objects into it while Sync is on - they will be overwritten. Sync can be unticked at any time and the data will stop pushing to the collection.

Once this is setup you can add/edit the blender scene as you need and any Sync's you do, will update the meshes, textures and object positions in Defold.

Issues

There are a number of odd issues using this system. It is early days, so they will be ironed out. Some limitations on what Blender can stream:

  • Only single texture for each object is used (this is a Defold thing).
  • Object materials only use model materials at the moment. This might change to PBR materials.
  • Lights and Camera are added in Defold, but they are not yet setup to operate correctly (TBD)
  • Many features are only partially functional. Tread carefully :)
Comments
  • The addon just don't work

    The addon just don't work

    I properly set up everything, gave admin permission to both blender and the interpreter, but still, when I click to sync it doesnt do anything. Thats my scene: image

    opened by Caue-Aron 3
  • Support multiple UV coords

    Support multiple UV coords

    Based on discussion here with Ivan_Lytkin: https://forum.defold.com/t/building-a-sync-tool-for-blender-to-defold/69920

    Potentially add a new stream for texcoord1 in the buffer files. This could allow multiple coord access in the material.

    To be tested.

    opened by dlannan 2
  • Alpha channel in Blender BSDF mapped to Albedo texture

    Alpha channel in Blender BSDF mapped to Albedo texture

    Now that tools are available to merge texture channels together to minimise the number of samplers in the Simple PBR shader, it is planned to add the Alpha channel in blender bsdf material into the output Albedo alpha channel. This will produce more consistent alpha sync results without the need for render script changes.

    enhancement 
    opened by dlannan 1
  • Add error reporting and logging

    Add error reporting and logging

    Due to requirements for correct scene and material construction to have a successful export, I need to add some logging and reporting so users can determine what issues there might be. image

    This has been added. Included this issue so that I can track specific enhancements.

    enhancement 
    opened by dlannan 0
  • Remove root rotation for Defold world space transform.

    Remove root rotation for Defold world space transform.

    The current sync tool adds a root node with a rotational transform to get the Blender world space into the Defold world space.

    The problem with applying a complete transform is animations and some object hierarchies. I need to spend some time make a suitable solution (preferably in the lua side of things) to do this vertex + object + anim transform correctly.

    The current system is not ideal because images may come out flipped on a surface (due to the rotation).

    enhancement 
    opened by dlannan 0
  • Simple PBR lighting

    Simple PBR lighting

    The lighting in Simple PBR is essentially the same as the Defold default model lighting - very rudimentary. It is intended that up to 4 dynamic lights are supported. With possibly Point, Spot and Directional types supported.

    This issue is to research some of this and maintain documentation on the process. The solving of this feature will be needed before shadows and some GI solutions are attempted.

    enhancement 
    opened by dlannan 1
  • Split animations into per action dae's with no meshes.

    Split animations into per action dae's with no meshes.

    The current animation export is messy and can be difficult to get right with multiple animations within a scene. The goal is:

    • Output meshes individually. And identify animated meshes. These will be tagged as "Defold models" but still use a mesh buffer.
    • Detect all animation actions and save them out as animation only dae files containing only the skeletons and the skins. No meshes.
    • Export script info (into the meta data table) that allows easy access to available animations, and how to play them (maybe with correct timing and configs too).

    Once complete, it should allow multiple animations in a scene to be easily exported to Defold and easily run in Defold.

    enhancement 
    opened by dlannan 1
Releases(v1.3.1)

  • v1.3.1(Nov 2, 2022)

  • v1.3.0(Oct 29, 2022)

    A sizable upgrade. Including new LightMapping capabilities.

    Features:

    • LightMapper support (with modifications)
    • General Blender LightMap support.
    • New PBR Lightmap material for Defold.
    • Lightmap and Simple material support in the same scene

    Details on the forum about the new features.

    Source code(tar.gz)
    Source code(zip)
    defender.zip(1.58 MB)

  • v1.2.0(Sep 20, 2022)

    Thanks to Aronimo and Makaber for all the testing and digging a Windows issue has finally been resolved (hence 1.2)

    • Windows utf8 to wide char support in file paths.
    • Some cleanup in the code.

    OSX and Linux have not been heavily tested with this release. Debian 11 seems ok so far (need to add some auto tests).

    Source code(tar.gz)
    Source code(zip)
    defender.zip(1.53 MB)

  • v1.1.1(Sep 3, 2022)

    Added new logging system which begins to provide feedback to the user about scene related issues. Currently supports:

    • Material type checking
    • Collection checking (for existence)
    • Luajit permissions levels (reports where file cannot be executed from).
    • Outputs log report that can be sent to me.

    The main aim of the logging is to catch more and more anomalies that are unsupported in Blender when converting to Defold.

    Source code(tar.gz)
    Source code(zip)
    defender.zip(1.49 MB)

  • v1.1.0(Aug 28, 2022)

    Release supporting incoming changes to Defold for support with gltf and glb mesh and animation data.

    • Added selection for gltf and glb
    • Added updates to export gltf and glb
    • Minor bug fixes for mesh construction
    • Change to new name Defender
    Source code(tar.gz)
    Source code(zip)
    defender.zip(1.49 MB)

  • v1.0.8(Apr 13, 2022)

  • v1.0.6(Mar 16, 2022)

    New fixes for Windows platforms.

    • Pathing was broken on both the blender python side and lua export side.
    • Fixed a number of issues with catching script errors.

    Working on OSX and animation action naming (multiple daes per model - 1 for each action).

    Source code(tar.gz)
    Source code(zip)
    sync_tool.zip(1.36 MB)

  • v1.0.5(Feb 28, 2022)

    Added a new automatic creation of an alpha channel from the Blender Alpha channel in Principled BSDF materials. Important notes of this new feature:

    • If the base color has an alpha channel, and you want to use that, set the Alpha channel to 1.0 value.
    • If you use an Alpha of anything other than 1.0 without a texture then the whole alpha for the material will use that value.
    • To set an alpha mask, simply add it as a texture to the material Alpha channel.

    Alpha textures must be greyscale or all the rgba channels are the same. When merged with the base color, the alpha is merged into a single 8 bit channel for Defold.

    Source code(tar.gz)
    Source code(zip)
    sync_tool.zip(1.34 MB)

  • v1.0.4(Feb 26, 2022)

    Release notes:

    • New ao + metallic + roughness map (as per Khronos GLTF PBR)
    • Fixes to pbr simple material params
    • Bug fixes
    • New png texture merging tools. This will allow alpha merge from alpha channel into the Albedo + Alpha texture (TBD)
    Source code(tar.gz)
    Source code(zip)
    sync_tool.zip(1.34 MB)

  • v1.0.3(Feb 23, 2022)

  • v1.0.2(Feb 22, 2022)

  • v1.0.1(Feb 22, 2022)

  • v1.0.0(Feb 22, 2022)

    Release 1.0 Initial module release for Blender 2.8 and above. Follow install guide on github. Main features:

    • Sync static meshes with hierarchy
    • Sync directly to a Defold project folder
    • Support Animation
    • Lights and Camera - early support
    • Meta Data supported
    • Builtin model material
    • Custom Simple PBR material

    Note: Uses luajit to execute scripts. See install guide.

    Source code(tar.gz)
    Source code(zip)
    sync_tool.zip(1.16 MB)
Owner
David Lannan
David Lannan
GitHub Repository
A simple interpreted language for creating basic mathematical graphs.

graphr Introduction graphr is a small language written to create basic mathematical graphs. It is an interpreted language written in python and essent

2 Dec 26, 2021
This is a small program that prints a user friendly, visual representation, of your current bsp tree

bspcq, q for query A bspc analyzer (utility for bspwm) This is a small program that prints a user friendly, visual representation, of your current bsp

nedia 9 Apr 24, 2022
A simple script that displays pixel-based animation on GitHub Activity

GitHub Activity Animator This project contains a simple Javascript snippet that produces an animation on your GitHub activity tracker. The project als

16 Nov 15, 2021
DALLE-tools provided useful dataset utilities to improve you workflow with WebDatasets.

DALLE tools DALLE-tools is a github repository with useful tools to categorize, annotate or check the sanity of your datasets. Installation Just clone

11 Dec 25, 2022
Make sankey, alluvial and sankey bump plots in ggplot

The goal of ggsankey is to make beautiful sankey, alluvial and sankey bump plots in ggplot2

David Sjoberg 156 Jan 03, 2023
HiPlot makes understanding high dimensional data easy

HiPlot - High dimensional Interactive Plotting HiPlot is a lightweight interactive visualization tool to help AI researchers discover correlations and

Facebook Research 2.4k Jan 04, 2023
Graphing communities on Twitch.tv in a visually intuitive way

VisualizingTwitchCommunities This project maps communities of streamers on Twitch.tv based on shared viewership. The data is collected from the Twitch

Kiran Gershenfeld 312 Jan 07, 2023
view cool stats related to your discord account.

DiscoStats cool statistics generated using your discord data. How? DiscoStats is not a service that breaks the Discord Terms of Service or Community G

ibrahim hisham 5 Jun 02, 2022
Bar Chart of the number of Senators from each party who are up for election in the next three General Elections

Congress-Analysis Bar Chart of the number of Senators from each party who are up for election in the next three General Elections This bar chart shows

11 Oct 26, 2021
This package creates clean and beautiful matplotlib plots that work on light and dark backgrounds

This package creates clean and beautiful matplotlib plots that work on light and dark backgrounds. Inspired by the work of Edward Tufte.

Nico Schlömer 205 Jan 07, 2023
Plot-configurations for scientific publications, purely based on matplotlib

TUEplots Plot-configurations for scientific publications, purely based on matplotlib. Usage Please have a look at the examples in the example/ directo

Nicholas Krämer 487 Jan 08, 2023
Fastest Gephi's ForceAtlas2 graph layout algorithm implemented for Python and NetworkX

ForceAtlas2 for Python A port of Gephi's Force Atlas 2 layout algorithm to Python 2 and Python 3 (with a wrapper for NetworkX and igraph). This is the

Bhargav Chippada 227 Jan 05, 2023
A small script written in Python3 that generates a visual representation of the Mandelbrot set.

Mandelbrot Set Generator A small script written in Python3 that generates a visual representation of the Mandelbrot set. Abstract The colors in the ou

1 Dec 28, 2021
PolytopeSampler is a Matlab implementation of constrained Riemannian Hamiltonian Monte Carlo for sampling from high dimensional disributions on polytopes

PolytopeSampler PolytopeSampler is a Matlab implementation of constrained Riemannian Hamiltonian Monte Carlo for sampling from high dimensional disrib

9 Sep 26, 2022
Comparing USD and GBP Exchange Rates

Currency Data Visualization Comparing USD and GBP Exchange Rates This is a bar graph comparing GBP and USD exchange rates. I chose blue for the UK bec

5 Oct 28, 2021
Here I plotted data for the average test scores across schools and class sizes across school districts.

HW_02 Here I plotted data for the average test scores across schools and class sizes across school districts. Average Test Score by Race This graph re

7 Oct 27, 2021
Visualization of the World Religion Data dataset by Correlates of War Project.

World Religion Data Visualization Visualization of the World Religion Data dataset by Correlates of War Project. Mostly personal project to famirializ

Emile Bangma 1 Oct 15, 2022
Implementation of SOMs (Self-Organizing Maps) with neighborhood-based map topologies.

py-self-organizing-maps Simple implementation of self-organizing maps (SOMs) A SOM is an unsupervised method for learning a mapping from a discrete ne

Jonas Grebe 6 Nov 22, 2022
Minimalistic tool to visualize how the routes to a given target domain change over time, feat. Python 3.10 & mermaid.js

Minimalistic tool to visualize how the routes to a given target domain change over time, feat. Python 3.10 & mermaid.js

Péter Ferenc Gyarmati 1 Jan 17, 2022
basemap - Plot on map projections (with coastlines and political boundaries) using matplotlib.

Basemap Plot on map projections (with coastlines and political boundaries) using matplotlib. ⚠️ Warning: this package is being deprecated in favour of

Matplotlib Developers 706 Dec 28, 2022