add timer functionality to script

5 files changed, 20 insertions, 1 deletions

diff --git a/src/crepe/api/Script.cpp b/src/crepe/api/Script.cpp
index 753a9e3..50edea0 100644
--- a/src/crepe/api/Script.cpp
+++ b/src/crepe/api/Script.cpp
@@ -25,3 +25,5 @@ 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; }
diff --git a/src/crepe/api/Script.h b/src/crepe/api/Script.h
index 668e5d1..3569b4a 100644
--- a/src/crepe/api/Script.h
+++ b/src/crepe/api/Script.h
@@ -2,6 +2,7 @@
 
 #include <vector>
 
+#include "../manager/LoopTimerManager.h"
 #include "../manager/EventManager.h"
 #include "../manager/Mediator.h"
 #include "../system/CollisionSystem.h"
@@ -46,9 +47,17 @@ 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 +144,9 @@ protected:
 	//! Retrieve SaveManager reference
 	SaveManager & get_save_manager() const;
 
+	//! Retrieve LoopTimerManager reference
+	LoopTimerManager & get_loop_timer() const;
+
 	//! \}
 
 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 5dbc670..a34189e 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.h b/src/test/ScriptTest.h
index 31fa7c9..7aa858d 100644
--- a/src/test/ScriptTest.h
+++ b/src/test/ScriptTest.h
@@ -17,6 +17,7 @@ public:
 	crepe::ComponentManager component_manager{mediator};
 	crepe::ScriptSystem system{mediator};
 	crepe::EventManager event_mgr{mediator};
+	crepe::LoopTimerManager loop_timer{mediator};
 	crepe::GameObject entity = component_manager.new_object(OBJ_NAME);
 
 	class MyScript : public crepe::Script {