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just-game-engine's Introduction

Just™ game ENgine (JNG)

A 3D/2D game engine developed as an educational project with hope to be usefull.

Prerequisites:

  • CMake >=3.20 (3.22 tested)
  • VulkanSDK 1.3.x.x (1.3.216.0 tested)
    • VULKAN_SDK environment variable has to be set to the installation directory

How to build:

Just™ clone the repository with dependencies:

git clone --recurse-submodules --shallow-submodules https://github.com/Kostu96/just-game-engine.git
cd just-game-engine

then Just™ try:

mkdir build
cd build
cmake ..

and it might Just™ work for you. If not better instructions will come in the future...

Build using your build system (Visual Studio 2022 is tested).

Sctipt API

Lua Script API referene

just-game-engine's People

Contributors

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Watchers

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Forkers

meowboy326

just-game-engine's Issues

Status of the sample projects

This issue is for manual monitoring of sample projects. This is a temporary solution until automated regression testing is implemented.

hello_triangle:

  • Windows/OpenGL
  • Windows/Direct3D11
  • Windows/Vulkan
  • Linux/OpenGL
  • Linux/Vulkan

hello_cube:

  • Windows/OpenGL
  • Windows/Direct3D11
  • Windows/Vulkan
  • Linux/OpenGL
  • Linux/Vulkan

hello_framebuffer:

  • Windows/OpenGL
  • Windows/Direct3D11
  • Windows/Vulkan
  • Linux/OpenGL
  • Linux/Vulkan

hello_imgui:

  • Windows/OpenGL
  • Windows/Direct3D11
  • Windows/Vulkan
  • Linux/OpenGL
  • Linux/Vulkan

Add shader recompilation after change

Currently, if compiled shaders are cached even if source code changes cached binaries are still used and the developer has to delete them to force recompilation.
Add checksum/hash system to detect that shader source was changed.

Integrate ImGui with engine properly

For now ImGui is hacked in and uses glfw/opengl backends.
Goal is to write ImGui backend that will use engine API.
This will enable ImGui to work on every platform with every rendering API supported and support multi-viewports feature of docking branch.

Z-fighting when 2D rendering

Currently, 2D geometry is rendered using 3D and depth buffer which causes z-fighting.
Because geometry is batched rendering back to front by submit order can't be implemented.
A possible solution is to implement render layers.

Packaging

Explore CMake package creation with CPack, install targets, etc.

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