I now have a semi-functional GUI system that uses the ECS style to build gui elements rather than inheritance.

meson.build

@@ -8,7 +8,7 @@ project('raycaster', 'cpp',
 # use this for common options only for our executables
 cpp_args=[]
 # these are passed as override_defaults
-exe_defaults = ['warning_level=2', 'werror=false']
+exe_defaults = ['warning_level=2', 'werror=true']
 
 cc = meson.get_compiler('cpp')
 
@@ -61,6 +61,7 @@ sources = [
   'config.cpp',
   'dbc.cpp',
   'devices.cpp',
+  'ecs_gui.cpp',
   'gui.cpp',
   'inventory.cpp',
   'lel.cpp',
@@ -91,6 +92,7 @@ executable('runtests', sources + [
   'tests/base.cpp',
   'tests/dbc.cpp',
   'tests/dinkyecs.cpp',
+  'tests/ecs_gui.cpp',
   'tests/fsm.cpp',
   'tests/inventory.cpp',
   'tests/lel.cpp',