6 files changed, 38 insertions, 2 deletions

diff --git a/src/crepe/api/Script.cpp b/src/crepe/api/Script.cpp
index 583c04f..85016f5 100644
--- a/src/crepe/api/Script.cpp
+++ b/src/crepe/api/Script.cpp
@@ -26,6 +26,8 @@ void Script::set_next_scene(const string & name) {
 
 SaveManager & Script::get_save_manager() const { return this->mediator->save_manager; }
 
+LoopTimerManager & Script::get_loop_timer() const { return this->mediator->loop_timer; }
+
 const keyboard_state_t & Script::get_keyboard_state() const {
 	SDLContext & sdl_context = this->mediator->sdl_context;
 	return sdl_context.get_keyboard_state();
@@ -38,3 +40,4 @@ bool Script::get_key_state(Keycode key) const noexcept {
 		return false;
 	}
 }
+
diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h
index 65306cd..0ec3476 100644
--- a/src/crepe/api/Script.h
+++ b/src/crepe/api/Script.h
@@ -4,6 +4,7 @@
 
 #include "../api/KeyCodes.h"
 #include "../manager/EventManager.h"
+#include "../manager/LoopTimerManager.h"
 #include "../manager/Mediator.h"
 #include "../system/CollisionSystem.h"
 #include "../types.h"
@@ -47,9 +48,17 @@ protected:
 	/**
 	 * \brief Script update function (empty by default)
 	 *
+	 * \param delta_time Time since last fixed update
+	 *
 	 * This function is called during the ScriptSystem::update() routine if the \c BehaviorScript
 	 * component holding this script instance is active.
 	 */
+	virtual void update(duration_t delta_time) { return this->update(); }
+	/**
+	 * \brief Fallback script update function (empty by default)
+	 *
+	 * Allows the game programmer to ignore parameters passed to \c update()
+	 */
 	virtual void update() {}
 	//! \}
 
@@ -135,6 +144,10 @@ protected:
 
 	//! Retrieve SaveManager reference
 	SaveManager & get_save_manager() const;
+
+	//! Retrieve LoopTimerManager reference
+	LoopTimerManager & get_loop_timer() const;
+
 	/**
 	 * \brief Utility function to retrieve the keyboard state
 	 * \see SDLContext::get_keyboard_state
@@ -151,7 +164,6 @@ protected:
 	 * 
 	 */
 	bool get_key_state(Keycode key) const noexcept;
-	//! \}
 
 private:
 	/**
diff --git a/src/crepe/system/ScriptSystem.cpp b/src/crepe/system/ScriptSystem.cpp
index d6b2ca1..4afd2ba 100644
--- a/src/crepe/system/ScriptSystem.cpp
+++ b/src/crepe/system/ScriptSystem.cpp
@@ -11,6 +11,7 @@ void ScriptSystem::update() {
 	dbg_trace();
 
 	ComponentManager & mgr = this->mediator.component_manager;
+	LoopTimerManager & timer = this->mediator.loop_timer;
 	RefVector<BehaviorScript> behavior_scripts = mgr.get_components_by_type<BehaviorScript>();
 
 	for (BehaviorScript & behavior_script : behavior_scripts) {
@@ -23,6 +24,8 @@ void ScriptSystem::update() {
 			script->init();
 			script->initialized = true;
 		}
-		script->update();
+
+		duration_t delta_time = timer.get_delta_time();
+		script->update(delta_time);
 	}
 }
diff --git a/src/test/CollisionTest.cpp b/src/test/CollisionTest.cpp
index ff9e7cc..baa95c1 100644
--- a/src/test/CollisionTest.cpp
+++ b/src/test/CollisionTest.cpp
@@ -54,6 +54,7 @@ public:
 	ComponentManager mgr{m};
 	CollisionSystem collision_sys{m};
 	ScriptSystem script_sys{m};
+	LoopTimerManager loop_timer{m};
 
 	GameObject world = mgr.new_object("world", "", {50, 50});
 	GameObject game_object1 = mgr.new_object("object1", "", {50, 50});
diff --git a/src/test/ScriptTest.cpp b/src/test/ScriptTest.cpp
index acdae70..499be5a 100644
--- a/src/test/ScriptTest.cpp
+++ b/src/test/ScriptTest.cpp
@@ -73,3 +73,15 @@ TEST_F(ScriptTest, UpdateInactive) {
 		system.update();
 	}
 }
+
+TEST_F(ScriptTest, SaveManager) {
+	MyScript & script = this->script;
+
+	EXPECT_EQ(&script.get_save_manager(), &this->save_manager);
+}
+
+TEST_F(ScriptTest, LoopTimerManager) {
+	MyScript & script = this->script;
+
+	EXPECT_EQ(&script.get_loop_timer(), &this->loop_timer);
+}
diff --git a/src/test/ScriptTest.h b/src/test/ScriptTest.h
index 31fa7c9..537169d 100644
--- a/src/test/ScriptTest.h
+++ b/src/test/ScriptTest.h
@@ -7,7 +7,10 @@
 #include <crepe/api/Script.h>
 #include <crepe/manager/ComponentManager.h>
 #include <crepe/manager/EventManager.h>
+#include <crepe/manager/LoopTimerManager.h>
+#include <crepe/manager/SaveManager.h>
 #include <crepe/system/ScriptSystem.h>
+
 class ScriptTest : public testing::Test {
 protected:
 	crepe::Mediator mediator;
@@ -17,6 +20,8 @@ public:
 	crepe::ComponentManager component_manager{mediator};
 	crepe::ScriptSystem system{mediator};
 	crepe::EventManager event_mgr{mediator};
+	crepe::LoopTimerManager loop_timer{mediator};
+	crepe::SaveManager save_manager{mediator};
 	crepe::GameObject entity = component_manager.new_object(OBJ_NAME);
 
 	class MyScript : public crepe::Script {