Archived old OpenGL gaming core.

Kajetan Johannes Hammerle 135370f444 fix include paths 3 lat temu
GL 135370f444 fix include paths 3 lat temu
ecs 8167f17660 added missing single include guard 3 lat temu
enet @ 808b96a7fb 142641b84b enet update 3 lat temu
images fa96b9a846 png reader is now a generic image reader to support more formats in the 3 lat temu
input 135370f444 fix include paths 3 lat temu
lodepng @ 7fdcc96a5e 7aae9c7c66 libpng replaced by lodepng 3 lat temu
math ed8d223859 secure pi constant 3 lat temu
memory 3f19a93439 removal of stack allocator 4 lat temu
network a5c0707220 usage of new hashmap iterators 3 lat temu
rendering 825cd97969 glew and glfw build static 3 lat temu
subprojects 825cd97969 glew and glfw build static 3 lat temu
tests fa96b9a846 png reader is now a generic image reader to support more formats in the 3 lat temu
utils fa96b9a846 png reader is now a generic image reader to support more formats in the 3 lat temu
wrapper 135370f444 fix include paths 3 lat temu
.gitmodules 825cd97969 glew and glfw build static 3 lat temu
Main.cpp 5090c6888d missing glu and include folder 3 lat temu
meson.build 135370f444 fix include paths 3 lat temu