merge `master` into `loek/savemgr`

1 files changed, 38 insertions, 0 deletions

diff --git a/src/crepe/api/SceneManager.cpp b/src/crepe/api/SceneManager.cpp
new file mode 100644
index 0000000..dfed6ee
--- /dev/null
+++ b/src/crepe/api/SceneManager.cpp
@@ -0,0 +1,38 @@
+#include <algorithm>
+#include <memory>
+
+#include "../ComponentManager.h"
+
+#include "SceneManager.h"
+
+using namespace crepe;
+using namespace std;
+
+SceneManager & SceneManager::get_instance() {
+	static SceneManager instance;
+	return instance;
+}
+
+void SceneManager::set_next_scene(const string & name) { next_scene = name; }
+
+void SceneManager::load_next_scene() {
+	// next scene not set
+	if (this->next_scene.empty()) return;
+
+	auto it
+		= find_if(this->scenes.begin(), this->scenes.end(),
+				  [&next_scene = this->next_scene](unique_ptr<Scene> & scene) {
+					  return scene->name == next_scene;
+				  });
+
+	// next scene not found
+	if (it == this->scenes.end()) return;
+	unique_ptr<Scene> & scene = *it;
+
+	// Delete all components of the current scene
+	ComponentManager & mgr = ComponentManager::get_instance();
+	mgr.delete_all_components();
+
+	// Load the new scene
+	scene->load_scene();
+}