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GPlayEngine

GPlayEngine is a C++ cross-platform game engine for creating 2D/3D games.

GPlayEngine is based on the GamePlay 3D engine v3.0 and principally replace the OpenGL 2.x backend to use the BGFX graphic framework.

Screenshots

Current status

  • cmake is used as main build system (qtcreator is also up-to-date)
  • bgfx integration is completed and replace opengl.
  • bgfx is currently forced to use the opengl driver because engine still use some old glsl shaders. A pass on shaders is planned to use the bgfx shader syntax to be fully compatible with others bgfx backends.
  • Engine now use SDL2 by default to manage windows and inputs. Gamepad are not yet implanted.
  • Lua is temporarily disabled to speed up the compilation during core dev phase.
  • All previous samples and demo are now working with the new renderer.
  • A new sample "sample-graphics" is used to test bgfx conversion and new features.
  • Only tested on Linux, Windows and Emscripten for now.

Install submodules dependencies

Some thirdparty libraries are registered as submodules, you need to install them before building engine.

git submodule init
git submodule update

Building

See wiki - compiling framework for build instructions.

Features

  • BGFX based rendering system.
  • Scene graph system with support for lights, cameras, audio, physics, and drawables.
  • Declarative scene, animation, particles and material bindings.
  • Material system with built-in shader library (forward rendering).
  • Post-processing.
  • Physics using Bullet.
  • Particle effects with built-in particle system or SPARK engine system.
  • Height map based terrains with multiple surface layers and LOD.
  • Easy-to-use sprite, tileset and text rendering.
  • Declarative UI system supporing 2D/3D theme-able user interfaces.
  • Nice, customizable and complete built-in 2D GUI, with buttons, lists, edit boxes, layout...
  • ImGui GUI support.
  • In-game editor using imgui (WIP)
  • File watcher system for hot reloading (shaders, scripts...)
  • Fully extensible animation system with skeletal character animation.
  • Complete 3D audio system with WAV and OGG support.
  • AI agent, state machine and messaging.
  • Event messaging system.
  • Full vector math library with 2D/3D math and visibility culling.
  • Mouse, keyboard, touch, gestures and gamepad support.
  • Lua script bindings and user binding generator tool.
  • Binary encoding tool for creating optimized asset bundles for TTF fonts and 3D FBX assets.
  • Documented using doxygen.
  • Image supported format (DDS, KTX, PVR, JPG, PNG, TGA, BMP, PSD, GIF, HDR, PIC)
  • 3D model supported format (FBX)

License

Open-source under Apache 2.0 license.