From 359ad8db97305856f4cfdade1cd1dada78a7a635 Mon Sep 17 00:00:00 2001
From: Loek Le Blansch <loek@pipeframe.xyz>
Date: Wed, 11 Dec 2024 21:04:30 +0100
Subject: more replay system WIP

---
 src/crepe/api/GameObject.cpp  | 10 +++-------
 src/crepe/api/GameObject.h    | 13 +++++++++----
 src/crepe/api/LoopManager.cpp |  2 ++
 src/crepe/api/Transform.cpp   | 10 ++++++++++
 src/crepe/api/Transform.h     |  7 +++++++
 5 files changed, 31 insertions(+), 11 deletions(-)

(limited to 'src/crepe/api')

diff --git a/src/crepe/api/GameObject.cpp b/src/crepe/api/GameObject.cpp
index ea9c425..68b074e 100644
--- a/src/crepe/api/GameObject.cpp
+++ b/src/crepe/api/GameObject.cpp
@@ -11,13 +11,9 @@ GameObject::GameObject(Mediator & mediator, game_object_id_t id,
 					   const std::string & name, const std::string & tag,
 					   const vec2 & position, double rotation, double scale)
 	: id(id),
-	  mediator(mediator) {
-
-	// Add Transform and Metadata components
-	ComponentManager & mgr = this->mediator.component_manager;
-	mgr.add_component<Transform>(this->id, position, rotation, scale);
-	mgr.add_component<Metadata>(this->id, name, tag);
-}
+	  mediator(mediator),
+		transform(mediator.component_manager->add_component<Transform>(this->id, position, rotation, scale)),
+		metadata(mediator.component_manager->add_component<Metadata>(this->id, name, tag)) { }
 
 void GameObject::set_parent(const GameObject & parent) {
 	ComponentManager & mgr = this->mediator.component_manager;
diff --git a/src/crepe/api/GameObject.h b/src/crepe/api/GameObject.h
index a311c21..6203f81 100644
--- a/src/crepe/api/GameObject.h
+++ b/src/crepe/api/GameObject.h
@@ -7,6 +7,8 @@
 namespace crepe {
 
 class Mediator;
+class Transform;
+class Metadata;
 
 /**
  * \brief Represents a GameObject
@@ -34,6 +36,13 @@ private:
 	//! ComponentManager instances GameObject
 	friend class ComponentManager;
 
+public:
+	//! The id of the GameObject
+	const game_object_id_t id;
+
+	Transform & transform;
+	Metadata & metadata;
+
 public:
 	/**
 	 * \brief Set the parent of this GameObject
@@ -68,10 +77,6 @@ public:
 	 */
 	void set_persistent(bool persistent = true);
 
-public:
-	//! The id of the GameObject
-	const game_object_id_t id;
-
 protected:
 	Mediator & mediator;
 };
diff --git a/src/crepe/api/LoopManager.cpp b/src/crepe/api/LoopManager.cpp
index 3511bca..2855455 100644
--- a/src/crepe/api/LoopManager.cpp
+++ b/src/crepe/api/LoopManager.cpp
@@ -25,6 +25,8 @@ LoopManager::LoopManager() {
 	this->load_system<InputSystem>();
 	this->load_system<EventSystem>();
 	this->load_system<AudioSystem>();
+
+	this->mediator.loop_manager = *this;
 }
 
 void LoopManager::start() {
diff --git a/src/crepe/api/Transform.cpp b/src/crepe/api/Transform.cpp
index a85b792..5fc886b 100644
--- a/src/crepe/api/Transform.cpp
+++ b/src/crepe/api/Transform.cpp
@@ -3,6 +3,7 @@
 #include "Transform.h"
 
 using namespace crepe;
+using namespace std;
 
 Transform::Transform(game_object_id_t id, const vec2 & point, double rotation, double scale)
 	: Component(id),
@@ -11,3 +12,12 @@ Transform::Transform(game_object_id_t id, const vec2 & point, double rotation, d
 	  scale(scale) {
 	dbg_trace();
 }
+
+unique_ptr<Component> Transform::save() const {
+	return unique_ptr<Component>{new Transform(*this)};
+}
+
+void Transform::restore(const Component & snapshot) {
+	*this = static_cast<const Transform &>(snapshot);
+}
+
diff --git a/src/crepe/api/Transform.h b/src/crepe/api/Transform.h
index 7ee6d65..bbd23e0 100644
--- a/src/crepe/api/Transform.h
+++ b/src/crepe/api/Transform.h
@@ -35,6 +35,13 @@ protected:
 	virtual int get_instances_max() const { return 1; }
 	//! ComponentManager instantiates all components
 	friend class ComponentManager;
+
+protected:
+	virtual std::unique_ptr<Component> save() const;
+	Transform(const Transform &) = default;
+	virtual void restore(const Component & snapshot);
+	virtual Transform & operator=(const Transform &) = default;
+
 };
 
 } // namespace crepe
-- 
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