Ubpa / UECS

Ubpa Entity-Component-System (U ECS) in Unity3D-style

 __    __   _______   ______     _______.
|  |  |  | |   ____| /      |   /       |
|  |  |  | |  |__   |  ,----'  |   (----`
|  |  |  | |   __|  |  |        \   \    
|  `--'  | |  |____ |  `----.----)   |   
 \______/  |_______| \______|_______/    
                                         

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UECS

Ubpa Entity-Component-System in Unity3D-style

Compiler compatibility

• Clang/LLVM >= 10.0
• GCC >= 10.0
• MSVC >= 1926

Tested platforms:

• Windows 10: VS2019 16.8.5

• Ubuntu 20: GCC 10.2, Clang 11.0

• MacOS 11.0 : GCC 10.2

  AppleClang 12 and Clang 11 is not supported

Documentation

• changelog
• TODO

Example

#include <UECS/UECS.hpp>

using namespace Ubpa::UECS;

struct Position { float val; };
struct Velocity { float val; };

struct MoverSystem {
  static void OnUpdate(Schedule& schedule) {
    schedule.RegisterEntityJob(
      [](const Velocity* v, Position* p) {
        p->val += v->val;
      },
      "Mover"
    );
  }
};

int main() {
  World w;
  w.entityMngr.cmptTraits.Register<Position, Velocity>();
  w.systemMngr.RegisterAndActivate<MoverSystem>();
  w.entityMngr.Create(Ubpa::TypeIDs_of<Position, Velocity>);
  w.Update();
}

other examples

• read/write tag
• system update order
• job function
• system function with Entity
• chunk layout optimization with alignment
• system overload
• runtime dynamic component
• generate frame graph in Graphviz
• performance test
• serialize
• chunk job
• singleton
• serial execution
• world copy
• directly run execution
• system lifecycle
• random access components
• change filter

Licensing

You can copy and paste the license summary from below.

MIT License

Copyright (c) 2020 Ubpa

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.