From 26d07b06db11d85b6999776efaf335a464e8016c Mon Sep 17 00:00:00 2001
From: Green Sky <green@g-s.xyz>
Date: Sat, 6 Apr 2024 22:27:53 +0200
Subject: [PATCH] start refactoring in the name of object store

---
 src/CMakeLists.txt                  |  8 ++-
 src/fragment_store/object_store.cpp | 88 +++++++++++++++++++++++++++++
 src/fragment_store/object_store.hpp | 67 ++++++++++++++++++++++
 3 files changed, 161 insertions(+), 2 deletions(-)
 create mode 100644 src/fragment_store/object_store.cpp
 create mode 100644 src/fragment_store/object_store.hpp

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4643d2b..f83d286 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -7,16 +7,20 @@ add_library(fragment_store
 	./fragment_store/uuid_generator.hpp
 	./fragment_store/uuid_generator.cpp
 
-	./fragment_store/fragment_store_i.hpp
-	./fragment_store/fragment_store_i.cpp
 	./fragment_store/types.hpp
 	./fragment_store/meta_components.hpp
 	./fragment_store/meta_components_id.inl
 	./fragment_store/serializer.hpp
 	./fragment_store/file2_stack.hpp
 	./fragment_store/file2_stack.cpp
+	#old
+	./fragment_store/fragment_store_i.hpp
+	./fragment_store/fragment_store_i.cpp
 	./fragment_store/fragment_store.hpp
 	./fragment_store/fragment_store.cpp
+	#new
+	./fragment_store/object_store.hpp
+	./fragment_store/object_store.cpp
 
 	./json/message_components.hpp # TODO: move
 	./json/tox_message_components.hpp # TODO: move
diff --git a/src/fragment_store/object_store.cpp b/src/fragment_store/object_store.cpp
new file mode 100644
index 0000000..0806c61
--- /dev/null
+++ b/src/fragment_store/object_store.cpp
@@ -0,0 +1,88 @@
+#include "./object_store.hpp"
+
+#include "./meta_components.hpp"
+
+#include <nlohmann/json.hpp> // this sucks
+
+#include <iostream>
+
+static bool serl_json_data_enc_type(const ObjectHandle oh, nlohmann::json& out) {
+	out = static_cast<std::underlying_type_t<Encryption>>(
+		oh.get<FragComp::DataEncryptionType>().enc
+	);
+	return true;
+}
+
+static bool deserl_json_data_enc_type(ObjectHandle oh, const nlohmann::json& in) {
+	oh.emplace_or_replace<FragComp::DataEncryptionType>(
+		static_cast<Encryption>(
+			static_cast<std::underlying_type_t<Encryption>>(in)
+		)
+	);
+	return true;
+}
+
+static bool serl_json_data_comp_type(const ObjectHandle oh, nlohmann::json& out) {
+	out = static_cast<std::underlying_type_t<Compression>>(
+		oh.get<FragComp::DataCompressionType>().comp
+	);
+	return true;
+}
+
+static bool deserl_json_data_comp_type(ObjectHandle oh, const nlohmann::json& in) {
+	oh.emplace_or_replace<FragComp::DataCompressionType>(
+		static_cast<Compression>(
+			static_cast<std::underlying_type_t<Compression>>(in)
+		)
+	);
+	return true;
+}
+
+ObjectStore2::ObjectStore2(void) {
+	_sc.registerSerializerJson<FragComp::DataEncryptionType>(serl_json_data_enc_type);
+	_sc.registerDeSerializerJson<FragComp::DataEncryptionType>(deserl_json_data_enc_type);
+	_sc.registerSerializerJson<FragComp::DataCompressionType>(serl_json_data_comp_type);
+	_sc.registerDeSerializerJson<FragComp::DataCompressionType>(deserl_json_data_comp_type);
+}
+
+ObjectStore2::~ObjectStore2(void) {
+}
+
+ObjectRegistry& ObjectStore2::registry(void) {
+	return _reg;
+}
+
+ObjectHandle ObjectStore2::objectHandle(const Object o) {
+	return {_reg, o};
+}
+
+void ObjectStore2::throwEventConstruct(const Object o) {
+	std::cout << "OS debug: event construct " << entt::to_integral(o) << "\n";
+	dispatch(
+		ObjectStore_Event::object_construct,
+		ObjectStore::Events::ObjectConstruct{
+			ObjectHandle{_reg, o}
+		}
+	);
+}
+
+void ObjectStore2::throwEventUpdate(const Object o) {
+	std::cout << "OS debug: event update " << entt::to_integral(o) << "\n";
+	dispatch(
+		ObjectStore_Event::object_update,
+		ObjectStore::Events::ObjectUpdate{
+			ObjectHandle{_reg, o}
+		}
+	);
+}
+
+void ObjectStore2::throwEventDestroy(const Object o) {
+	std::cout << "OS debug: event destroy " << entt::to_integral(o) << "\n";
+	dispatch(
+		ObjectStore_Event::object_destroy,
+		ObjectStore::Events::ObjectUpdate{
+			ObjectHandle{_reg, o}
+		}
+	);
+}
+
diff --git a/src/fragment_store/object_store.hpp b/src/fragment_store/object_store.hpp
new file mode 100644
index 0000000..764a979
--- /dev/null
+++ b/src/fragment_store/object_store.hpp
@@ -0,0 +1,67 @@
+#pragma once
+
+#include <solanaceae/util/event_provider.hpp>
+
+#include "./serializer.hpp" // TODO: get rid of the tight nljson integration
+
+#include <entt/entity/registry.hpp>
+#include <entt/entity/handle.hpp>
+
+#include <cstdint>
+
+// internal id
+enum class Object : uint32_t {};
+using ObjectRegistry = entt::basic_registry<Object>;
+using ObjectHandle = entt::basic_handle<ObjectRegistry>;
+
+namespace ObjectStore::Events {
+
+	struct ObjectConstruct {
+		const ObjectHandle e;
+	};
+	struct ObjectUpdate {
+		const ObjectHandle e;
+	};
+	struct ObjectDestory {
+		const ObjectHandle e;
+	};
+
+} // ObjectStore::Events
+
+enum class ObjectStore_Event : uint16_t {
+	object_construct,
+	object_update,
+	object_destroy,
+
+	MAX
+};
+
+struct ObjectStoreEventI {
+	using enumType = ObjectStore_Event;
+
+	virtual ~ObjectStoreEventI(void) {}
+
+	virtual bool onEvent(const ObjectStore::Events::ObjectConstruct&) { return false; }
+	virtual bool onEvent(const ObjectStore::Events::ObjectUpdate&) { return false; }
+	virtual bool onEvent(const ObjectStore::Events::ObjectDestory&) { return false; }
+};
+using ObjectStoreEventProviderI = EventProviderI<ObjectStoreEventI>;
+
+struct ObjectStore2 : public ObjectStoreEventProviderI {
+	static constexpr const char* version {"2"};
+
+	ObjectRegistry _reg;
+
+	SerializerCallbacks<Object> _sc;
+
+	ObjectStore2(void);
+	virtual ~ObjectStore2(void);
+
+	ObjectRegistry& registry(void);
+	ObjectHandle objectHandle(const Object o);
+
+	void throwEventConstruct(const Object o);
+	void throwEventUpdate(const Object o);
+	void throwEventDestroy(const Object o);
+};
+