Rendering Module

[ACBob]

• [x] Separate rendering to separate DLL
• [ ] Backends
  • [x] OpenGL 4.5 (Kinda)
  • [ ] OpenGL 3
  • [ ] OpenGL 1??
  • [ ] Vulkan?
  • [ ] DirectX?
• [ ] Shader Language*
• [ ] #20

*Shader language would translate between GLSL, whatever Vulkan uses & HLSL. It would be simple and fragile possibly but the idea is one shader file for all the renderers.

[ACBob]

Rendering overall needs to be improved, Water causes some visual issues as it's drawn in the same stretch as the world.

I don't particularly feel like hacking together a back->forward drawing system, so ideally it's a case of splitting world models into two layers, 'Blend' and 'Regular'. Because of funny shaders, we can avoid a cut-out layer because textures with cut-out just work - Although we might want to look into a cut-out enable/disable, because otherwise we get X-Ray.

Or we could do it with some more shaders!

[ACBob]

I investigated doing some of the funny dithered transparency (where every equal x/y coordinate on the screen is discarded), and it looked neat but had some considerable art-style issues and was honestly quite distacting.

[ACBob]

Water has been split off from the main Mesh, much in the way MC Does it. This move was more for having a separate shader with waves, but has also fixed the transparency issues (just about).

Related; #26

[ACBob]

OpenGL 4.5 rendering suits us for now but isn't well supported on underpowered or old systems. OpenGL 3 is much more widespread.\ OpenGL 1.0 would be funny.

DirectX would only be usable on windows and would be "spiffy", but doesn't serve much purpose. Same for Vulkan.