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![Pic or it didn't happen](blender-psx.jpg)
# 3dcam PSX engine
This a WIP PSX 3d engine. Use this with the [companion blender exporter](https://github.com/ABelliqueux/blender_io_export_psx_mesh) to create levels for the engine.
![3d scene](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/gif/3d.gif)
![pre-rendered BGs](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/gif/precalc.gif)
![Push things](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/gif/push.gif)
![Sprite](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/gif/sprite.gif)
![Vertex animation](https://github.com/ABelliqueux/blender_io_export_psx_mesh/blob/main/gif/vertexanim.gif)
## Features
**Be warned this is WIP** !
![comparison](gif/rt-8b-4b.gif)
Real-time 3D / 8bpp background / 4bpp background
### "Engine"
* Very basic physics / collision detection
* Constrained camera trajectory
* Orbital camera mode
* Basic Spatial partitioning
* Portal based camera angle switch
* 3D sprite
* VRam auto layout for TIMs
## Planned
* Fix and improve all the things !
* Wall collisions
# Compiling
You need to install [mkpsxiso](https://github.com/Lameguy64/mkpsxiso) and the [pcsx-redux emulator and Nugget+PsyQ SDK](https://github.com/ABelliqueux/nolibgs_hello_worlds#setting-up-the-sdk--modern-gcc--psyq-aka-nuggetpsyq) before
you can build the engine. Put `mkpsxiso` and `pcsx-redux` in your $PATH and you should be good to go.
1. Clone this repo in `(...)/pcsx-redux/src/mips/`
2. Navigate to that folder in a terminal :
```bash
cd /pcsx-redux/src/mips/3dcam-headers
```
3. Type `./isotest.sh`. This should compile the example, build an iso with `mkpsxiso` and launch it with `pcsx-redux`.
4. Install the [blender extension](https://github.com/ABelliqueux/blender_io_export_psx_mesh) to create your own levels.
# Credits
Based on the [code](https://pastebin.com/suU9DigB) provided by TheDukeOfZill, 04-2014, on http://www.psxdev.net/forum/viewtopic.php?f=64&t=537#p4088
PSX code based on [example](http://psx.arthus.net/code/primdraw.7z) by [Lameguy64](https://github.com/Lameguy64)
pngquant : [https://github.com/kornelski/pngquant](https://github.com/kornelski/pngquant)
img2tim : [https://github.com/Lameguy64/img2tim](https://github.com/Lameguy64/img2tim)
Freeimage : [https://freeimage.sourceforge.io/](https://freeimage.sourceforge.io/)