1 files changed, 38 insertions, 34 deletions

diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp
index 1f0ba72..4ca9928 100644
--- a/src/crepe/api/LoopManager.cpp
+++ b/src/crepe/api/LoopManager.cpp
@@ -1,3 +1,4 @@
+#include "../facade/SDLContext.h"
 #include "../system/AISystem.h"
 #include "../system/AnimatorSystem.h"
 #include "../system/AudioSystem.h"
@@ -7,7 +8,9 @@
 #include "../system/PhysicsSystem.h"
 #include "../system/RenderSystem.h"
 #include "../system/ScriptSystem.h"
-#include "manager/EventManager.h"
+#include "../manager/EventManager.h"
+#include "../manager/LoopTimerManager.h"
+#include "../util/Log.h"
 
 #include "LoopManager.h"
 
@@ -22,62 +25,63 @@ LoopManager::LoopManager() {
 	this->load_system<RenderSystem>();
 	this->load_system<ScriptSystem>();
 	this->load_system<InputSystem>();
+	this->event_manager.subscribe<ShutDownEvent>(
+		[this](const ShutDownEvent & event) { return this->on_shutdown(event); });
 	this->load_system<AudioSystem>();
 	this->load_system<AISystem>();
 }
-
-void LoopManager::process_input() { this->get_system<InputSystem>().update(); }
-
 void LoopManager::start() {
 	this->setup();
 	this->loop();
 }
-void LoopManager::set_running(bool running) { this->game_running = running; }
 
-void LoopManager::fixed_update() {
-	// TODO: retrieve EventManager from direct member after singleton refactor
-	EventManager & ev = this->mediator.event_manager;
-	ev.dispatch_events();
-	this->get_system<ScriptSystem>().update();
-	this->get_system<AISystem>().update();
-	this->get_system<PhysicsSystem>().update();
-	this->get_system<CollisionSystem>().update();
-	this->get_system<AudioSystem>().update();
+void LoopManager::setup() {
+	this->game_running = true;
+	this->loop_timer.start();
+	this->scene_manager.load_next_scene();
 }
 
 void LoopManager::loop() {
-	LoopTimer & timer = this->loop_timer;
-	timer.start();
+	try {
 
 	while (game_running) {
-		timer.update();
+		this->loop_timer.update();
 
-		while (timer.get_lag() >= timer.get_fixed_delta_time()) {
-			this->process_input();
+		while (this->loop_timer.get_lag() >= this->loop_timer.get_fixed_delta_time()) {
 			this->fixed_update();
-			timer.advance_fixed_update();
+			this->loop_timer.advance_fixed_elapsed_time();
 		}
 
-		this->update();
-		this->render();
-
-		timer.enforce_frame_rate();
+		this->frame_update();
+		this->loop_timer.enforce_frame_rate();
+	}
+	}catch(const exception & e){
+		Log::logf(Log::Level::ERROR, "Exception caught in main loop: %s", e.what());
+		this->event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{});
 	}
 }
 
-void LoopManager::setup() {
-	LoopTimer & timer = this->loop_timer;
-	this->game_running = true;
-	this->scene_manager.load_next_scene();
-	timer.start();
-	timer.set_fps(200);
+// will be called at a fixed interval
+void LoopManager::fixed_update() {
+	this->get_system<InputSystem>().update();
+	this->event_manager.dispatch_events();
+	this->get_system<ScriptSystem>().update();
+	this->get_system<AISystem>().update();
+	this->get_system<PhysicsSystem>().update();
+	this->get_system<CollisionSystem>().update();
+	this->get_system<AudioSystem>().update();
 }
 
-void LoopManager::render() {
-	if (!this->game_running) return;
-
+// will be called every frame
+void LoopManager::frame_update() { 
+	this->scene_manager.load_next_scene();
 	this->get_system<AnimatorSystem>().update();
+	//render
 	this->get_system<RenderSystem>().update();
 }
 
-void LoopManager::update() {}
+bool LoopManager::on_shutdown(const ShutDownEvent & e) {
+	this->game_running = false;
+	// propagate to possible user ShutDownEvent listeners
+	return false;
+}