Setup for the LevelManager to take charge of all level operations.

levelmanager.cpp

@@ -1,10 +1,49 @@
 #include "levelmanager.hpp"
+#include "worldbuilder.hpp"
+#include "constants.hpp"
+#include "save.hpp"
+
+using lighting::LightRender;
+using std::shared_ptr, std::make_shared;
 
 LevelManager::LevelManager() {
-  // does nothing yet
 }
 
+size_t LevelManager::create_level() {
+  GameLevel level;
+  level.index = $levels.size();
 
-void LevelManager::create_level() {
-  // does nothing yet
+  level.world = make_shared<DinkyECS::World>();
+  save::load_configs(*level.world);
+
+  level.map = make_shared<Map>(GAME_MAP_X, GAME_MAP_Y);
+  WorldBuilder builder(*level.map);
+  builder.generate(*level.world);
+
+  level.lights = make_shared<LightRender>(level.map->width(), level.map->height());
+
+  $levels.push_back(level);
+
+  dbc::check(level.index == $levels.size() - 1, "Level index is not the same as $levels.size() - 1, off by one error");
+  return level.index;
+}
+
+GameLevel &LevelManager::next() {
+  dbc::check($current_level < $levels.size(), "attempt to get next level when at end");
+  $current_level++;
+  return $levels.at($current_level);
+}
+
+GameLevel &LevelManager::previous() {
+  dbc::check($current_level > 0, "attempt to go to previous level when at 0");
+  $current_level--;
+  return $levels.at($current_level);
+}
+
+GameLevel &LevelManager::current() {
+  return $levels.at($current_level);
+}
+
+GameLevel &LevelManager::get(size_t index) {
+  return $levels.at(index);
 }