merge jaro/particle-system-improvement

1 files changed, 87 insertions, 0 deletions

diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp
new file mode 100644
index 0000000..7a78019
--- /dev/null
+++ b/src/crepe/api/LoopManager.cpp
@@ -0,0 +1,87 @@
+#include "../facade/SDLContext.h"
+#include "../manager/EventManager.h"
+#include "../manager/LoopTimerManager.h"
+#include "../system/AISystem.h"
+#include "../system/AnimatorSystem.h"
+#include "../system/AudioSystem.h"
+#include "../system/CollisionSystem.h"
+#include "../system/InputSystem.h"
+#include "../system/ParticleSystem.h"
+#include "../system/PhysicsSystem.h"
+#include "../system/RenderSystem.h"
+#include "../system/ScriptSystem.h"
+#include "../util/Log.h"
+
+#include "LoopManager.h"
+
+using namespace crepe;
+using namespace std;
+
+LoopManager::LoopManager() {
+	this->load_system<AnimatorSystem>();
+	this->load_system<CollisionSystem>();
+	this->load_system<ParticleSystem>();
+	this->load_system<PhysicsSystem>();
+	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::start() {
+	this->setup();
+	this->loop();
+}
+
+void LoopManager::setup() {
+	this->game_running = true;
+	this->loop_timer.start();
+	this->scene_manager.load_next_scene();
+}
+
+void LoopManager::loop() {
+	try {
+		while (game_running) {
+			this->loop_timer.update();
+
+			while (this->loop_timer.get_lag() >= this->loop_timer.get_fixed_delta_time()) {
+				this->fixed_update();
+				this->loop_timer.advance_fixed_elapsed_time();
+			}
+
+			this->frame_update();
+			this->loop_timer.enforce_frame_rate();
+		}
+	} catch (const exception & e) {
+		Log::logf(Log::Level::ERROR, "Exception caught in main loop: {}", e.what());
+		this->event_manager.trigger_event<ShutDownEvent>(ShutDownEvent{});
+	}
+}
+
+// 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<ParticleSystem>().update();
+	this->get_system<AISystem>().update();
+	this->get_system<PhysicsSystem>().update();
+	this->get_system<CollisionSystem>().update();
+	this->get_system<AudioSystem>().update();
+}
+
+// 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();
+}
+
+bool LoopManager::on_shutdown(const ShutDownEvent & e) {
+	this->game_running = false;
+	// propagate to possible user ShutDownEvent listeners
+	return false;
+}