A bit of a quick test for the GUI system, but not sure how to make this do more.

gui.cpp

@@ -252,8 +252,7 @@ void GUI::render_scene() {
   $renderer.display();
 }
 
-int GUI::main() {
-  // $sounds.play("ambient");
+int GUI::main(bool run_once) {
   create_renderer();
   run_systems();
 
@@ -266,7 +265,7 @@ int GUI::main() {
     }
 
     std::this_thread::sleep_for(10ms);
-  } while($renderer.is_open());
+  } while(!run_once && $renderer.is_open());
 
   return 0;
 }

gui.hpp

@@ -69,5 +69,5 @@ public:
   void save_world();
   void shake();
 
-  int main();
+  int main(bool run_once=false);
 };

main.cpp

@@ -72,9 +72,7 @@ int main(int argc, char *argv[]) {
   _setmode(_fileno(stdout), _O_U16TEXT);
 #endif
   DinkyECS::World world;
-
   Map game_map(GAME_MAP_X, GAME_MAP_Y);
-
   save::load_configs(world);
 
   if(argc == 2) {

meson.build

@@ -33,6 +33,7 @@ runtests = executable('runtests', [
   'pathing.cpp',
   'lights.cpp',
   'systems.cpp',
+  'gui.cpp',
   'worldbuilder.cpp',
   'tests/fsm.cpp',
   'tests/dbc.cpp',
@@ -48,6 +49,7 @@ runtests = executable('runtests', [
   'tests/sound.cpp',
   'tests/pathing.cpp',
   'tests/lighting.cpp',
+  'tests/gui.cpp',
   'tests/worldbuilder.cpp',
   ],
   dependencies: dependencies)

tests/gui.cpp

@@ -0,0 +1,41 @@
+#include <catch2/catch_test_macros.hpp>
+#include <fmt/core.h>
+#include "gui.hpp"
+#include "map.hpp"
+#include "dinkyecs.hpp"
+#include "worldbuilder.hpp"
+#include "save.hpp"
+#include "systems.hpp"
+#include "collider.hpp"
+#include "components.hpp"
+
+using namespace fmt;
+using namespace components;
+using std::string;
+
+TEST_CASE("load a basic gui run but don't loop", "[render]") {
+  DinkyECS::World world;
+  save::load_configs(world);
+  Map game_map(40, 40);
+  WorldBuilder builder(game_map);
+  builder.generate();
+
+  const auto &config = world.get_the<MapConfig>();
+  // configure a player as a fact of the world
+  Player player{world.entity()};
+  world.set_the<Player>(player);
+
+  world.set<Position>(player.entity, {game_map.place_entity(0)});
+  world.set<Motion>(player.entity, {0, 0});
+  world.set<Combat>(player.entity, {100, 10});
+  world.set<Tile>(player.entity, {config.PLAYER_TILE});
+  world.set<Inventory>(player.entity, {5});
+  world.set<LightSource>(player.entity, {6,1});
+
+  spatial_map collider;
+  world.set_the<spatial_map>(collider);
+  System::init_positions(world);
+
+  GUI gui(world, game_map);
+  gui.main(true); // runs once
+}

tests/render.cpp

@@ -47,7 +47,7 @@ TEST_CASE("can render a text", "[render]") {
   save::load_configs(world);
   const auto& config = world.get_the<MapConfig>();
 
-  Panel map_view(0, 0, 20, 5, true);
+  Panel map_view(0, 0, 20, 20, true);
   Map map(20,20);
   WorldBuilder builder(map);
   builder.generate();
@@ -72,6 +72,7 @@ TEST_CASE("can render a text", "[render]") {
 
   for(int i = 2; i < 14; i++) {
     renderer.resize_grid(i * 10, map_view);
+    map_canvas = Canvas(map_view.width * 2, map_view.height * 4);
     run_renderer(renderer, map_view);
   }