Archived old OpenGL gaming core.

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