Quick hack to test finding a better light. If you find the gold you get a better light.

components.hpp

@@ -48,4 +48,8 @@ namespace components {
   struct EnemyConfig {
     int HEARING_DISTANCE;
   };
+
+  struct LightSource {
+    int strength = 100;
+  };
 }

main.cpp

@@ -33,6 +33,7 @@ void configure_world(DinkyECS::World &world, Map &game_map) {
   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, {200});
 
   auto enemy = world.entity();
   world.set<Position>(enemy, {game_map.place_entity(1)});

systems.cpp

@@ -117,9 +117,11 @@ void System::collision(DinkyECS::World &world, Player &player) {
         auto loot = world.get<Loot>(entity);
         auto &loot_pos = world.get<Position>(entity);
         auto &inventory = world.get<Inventory>(player.entity);
+        auto &light = world.get<LightSource>(player.entity);
 
         world.send<Events::GUI>(Events::GUI::LOOT, entity, loot);
         inventory.gold += loot.amount;
+        light.strength = 100;
         collider.remove(loot_pos.location);
       } else {
         println("UNKNOWN COLLISION TYPE {}", entity);
@@ -145,6 +147,7 @@ void System::draw_map(DinkyECS::World &world, Map &game_map, ftxui::Canvas &canv
   const auto& config = world.get_the<MapConfig>();
   const auto& player = world.get_the<Player>();
   const auto& player_position = world.get<Position>(player.entity);
+  const auto& player_light = world.get<LightSource>(player.entity);
   Point start = game_map.center_camera(player_position.location, view_x, view_y);
   auto &walls = game_map.walls();
   auto &paths = game_map.paths();
@@ -161,11 +164,10 @@ void System::draw_map(DinkyECS::World &world, Map &game_map, ftxui::Canvas &canv
       // it gets brighter.
       const int LIGHT_MIN = 10;
       const int LIGHT_MAX = 110;
-      int light_strength = 100; // lower is stronger
 
       Point light_at{start.x+x, start.y+y};
       int dnum = paths[light_at.y][light_at.x];
-      int light_value = std::clamp(255 - (dnum * light_strength), LIGHT_MIN, LIGHT_MAX);
+      int light_value = std::clamp(255 - (dnum * player_light.strength), LIGHT_MIN, LIGHT_MAX);
 
       // "WALL_TILE": "\u2591",
       // "WALL_TILE": "\ua5b8",