Bring in the gnu omni font for text, and rewrite my stats code to use c++ and then use that to calc FPS stats for an FPS display on the left. Debug build gets about 48, release gets about 500fps. Amit's code will probably do even better.

meson.build

@@ -5,6 +5,7 @@ cc = meson.get_compiler('cpp')
 
 catch2 = dependency('catch2-with-main')
 fmt = dependency('fmt')
+freetype = dependency('freetype2')
 json = dependency('nlohmann_json')
 opengl32 = cc.find_library('opengl32', required: true)
 winmm = cc.find_library('winmm', required: true)
@@ -17,7 +18,7 @@ sfml_system = dependency('sfml_system')
 sfml_window = dependency('sfml_window')
 
 dependencies = [
-  fmt, json, opengl32,
+  fmt, json, opengl32, freetype,
   winmm, gdi32, sfml_audio, sfml_graphics,
   sfml_main, sfml_network, sfml_system,
   sfml_window
@@ -36,6 +37,7 @@ executable('zedcaster', [
   'config.cpp',
   'texture.cpp',
   'raycaster.cpp',
+  'stats.cpp',
   'main.cpp'
   ],
   dependencies: dependencies)