X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fgame%2Fowned.h;h=a30f040d58269019cd3634159100e7d2f8a976c3;hb=c71b8c2151e097f435c8f76ffa123cc71f9d12ec;hp=19daa7efe12afbbffeb3676d635088daca4889ff;hpb=c7d0e1aff305778f97974b329826628966380158;p=libs%2Fgame.git

diff --git a/source/game/owned.h b/source/game/owned.h
index 19daa7e..a30f040 100644
--- a/source/game/owned.h
+++ b/source/game/owned.h
@@ -2,6 +2,8 @@
 #define MSP_GAME_OWNED_H_
 
 #include <stdexcept>
+#include "accessguard.h"
+#include "events.h"
 #include "handle.h"
 #include "stage.h"
 
@@ -16,17 +18,30 @@ class Owned: public Handle<T>
 public:
 	Owned() = default;
 
-	template<typename... Args>
-	Owned(Handle<Entity>, Args &&...);
+	template<typename P, typename... Args>
+	Owned(Handle<P>, Args &&...);
 
-	template<typename... Args>
-	Owned(Entity &parent, Args &&... args): Owned(Handle<Entity>::from_object(&parent), std::forward<Args>(args)...) { }
+	template<typename P, typename... Args>
+	Owned(P *parent, Args &&... args): Owned(Handle<P>::from_object(parent), std::forward<Args>(args)...) { }
 
 	Owned(Owned &&other): Handle<T>(other) { other.ptr = nullptr; }
-	Owned &operator=(Owned &&other);
+
+	template<typename U>
+		requires std::is_base_of_v<T, U>
+	Owned(Owned<U> &&other): Handle<T>(other) { other.ptr = nullptr; }
+
+	Owned &operator=(Owned &&other) { assign(std::move(other)); return *this; }
+
+	template<typename U>
+		requires std::is_base_of_v<T, U>
+	Owned &operator=(Owned<U> &&other) { assign(std::move(other)); return *this; }
+
 	~Owned() { destroy(); }
 
 private:
+	template<typename U>
+	void assign(Owned<U> &&);
+
 	template<typename O>
 	static Stage &get_stage(O &);
 
@@ -35,32 +50,44 @@ private:
 
 
 template<typename T>
-template<typename... Args>
-Owned<T>::Owned(Handle<Entity> parent, Args &&... args)
+template<typename P, typename... Args>
+Owned<T>::Owned(Handle<P> parent, Args &&... args)
 {
+#ifdef DEBUG
+	AccessGuard::get_instance().check<AccessGuard::Create>();
+#endif
+
 	if(!parent)
 		throw std::invalid_argument("Owned::Owned");
 
-	using DependentEntity = std::conditional_t<sizeof(T), Entity, Entity>;
-	Handle<DependentEntity> dparent = parent;
-
-	Pool<T> &pool = get_stage(*dparent).get_pools().template get_pool<T>();
+	Stage &stage = get_stage(*parent);
+	Pool<T> &pool = stage.get_pools().get_pool<T>();
+	bool first_created = !pool.get_capacity();
 	this->ptr = pool.create(parent, std::forward<Args>(args)...);
 	if constexpr(std::is_base_of_v<Component, T>)
-		dparent->add_component(*this);
+	{
+		if(first_created)
+			stage.get_reflector().get_or_create_class<T>().template set_polymorphic_base<Component>(**this);
+		parent->add_component(*this);
+		stage.get_event_source().emit<Events::ComponentCreated>(*this);
+	}
 	else
-		dparent->add_child(*this);
+	{
+		if(first_created)
+			stage.get_reflector().get_or_create_class<T>().template set_polymorphic_base<Entity>(**this);
+		parent->add_child(*this);
+		stage.get_event_source().emit<Events::EntityCreated>(*this);
+	}
 }
 
 template<typename T>
-Owned<T> &Owned<T>::operator=(Owned &&other)
+template<typename U>
+void Owned<T>::assign(Owned<U> &&other)
 {
 	destroy();
 
 	this->ptr = other.ptr;
 	other.ptr = nullptr;
-
-	return *this;
 }
 
 template<typename T>
@@ -80,13 +107,24 @@ void Owned<T>::destroy()
 	if(!obj)
 		return;
 
-	Pool<T> &pool = get_stage(*obj).get_pools().template get_pool<T>();
+#ifdef DEBUG
+	AccessGuard::get_instance().check<AccessGuard::Destroy>();
+#endif
+
+	Stage &stage = get_stage(*obj);
 
 	if constexpr(std::is_base_of_v<Component, T>)
+	{
+		stage.get_event_source().emit<Events::ComponentDestroyed>(*this);
 		obj->get_entity()->remove_component(*this);
+	}
 	else if(auto parent = obj->get_parent().get())
+	{
+		stage.get_event_source().emit<Events::EntityDestroyed>(*this);
 		parent->remove_child(*this);
+	}
 
+	Pool<T> &pool = stage.get_pools().get_pool<T>();
 	pool.destroy(this->ptr);
 }