Irrlicht Engine

When the normal map nodes are made, if the light count is not so many, and the world is small, everything works perfect; however if I add more lights and make the world more big, the lights will be automatically switched on and off when I (camera) walk away or close to a place in 3d world, and the ...

Awesome, I loaded you model into my c++ code, it has 732 frames. Such large amount of frames, did you make it by yourself.

You can compile it... but with older versions of mingw, typically one that uses GCC version 4.x...

And if you wanted to compile it in more modern versions, you will have problems to produce .a file compatible with this version ... you can still use Visual Studio... another option is to use ...

The latest d3d driver of irrlicht is d3d9, which is abandoned by many cases day after day, mingw/msys2 seems dropped d3d9 support, I can not build irrlicht with d3d9 on mingw/msys2 successfully, and d3d11 on shader-pipeline branch is not maintained. Keep continuing multi-render backend is very ...