https://github.com/calint/glosi

experimental 3d multiplayer game framework using simple data layer 2 and opengl es3 in c++ 23
https://github.com/calint/glosi

cpp23 game game-framework multiplayer

Last synced: 11 months ago
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experimental 3d multiplayer game framework using simple data layer 2 and opengl es3 in c++ 23

• Host: GitHub
• URL: https://github.com/calint/glosi
• Owner: calint
• Created: 2024-07-21T20:05:05.000Z (almost 2 years ago)
• Default Branch: main
• Last Pushed: 2025-05-04T06:05:54.000Z (about 1 year ago)
• Last Synced: 2025-05-04T07:19:12.312Z (about 1 year ago)
• Topics: cpp23, game, game-framework, multiplayer
• Language: C++
• Homepage:
• Size: 1.85 MB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# glosi

experimental 3d multiplayer game framework using simple data layer 2 and opengl es3 in c++ 23

## intention

* multiplayer framework

  - synchronized client input signals

  - clients render at the rate of the slowest client

  - server synchronizes clients signals

* grid of cells that partition world space

  - update and collision detection of objects

  - multithreaded

* game where most objects are visible on screen

  - cull grid cells and objects to render within frustum _(todo)_

* importing blender exported `obj` files

* explore legacy opengl rendering

* intuitive programming of game objects and logic

* game code written in `src/application/`

* collision detection (that is "good enough" for games)

  - sphere vs sphere

  - sphere vs convex volume

  - convex volume vs convex volume

* collision reaction

  - sphere vs sphere

  - sphere vs convex volume _(todo)_

  - convex volume vs convex volume _(todo)_

## ubuntu packages used

* libgl-dev: opengl

* libglm-dev: opengl math

* libtbb-dev: parallel unsequenced `for_each`

* sdl2 related packages

* see `make.sh` for details

## howto run

* using script (recommended): `./make.sh && ./glosi`

* using cmake: `mkdir build && cd build && cmake .. && make && cd .. && build/glosi`

## sample game

* multiplayer enabled proof of concept

  - `threaded_grid` must be `false` for deterministic behavior

* source in `src/application/` and `assets/`

* howto keys

  - w: thrust

  - a: rotate left

  - d: rotate right

  - j: fire

  - k, l: cameras

  - F1: print cells

  - F2: collisions on/off (this will make clients out-of-sync)

  - F3: render on/off

  - F4: cycle through shaders

  - F5: render normals on/off

  - F6: render bounding spheres on/off

  - F7: hud on/off

  - F8: render grid cells on/off

## [todo](https://github.com/calint/glosi/blob/main/notes/todo.txt)