From d592cef1a0e02e3f9474c09fa8fc072e5fa350fe Mon Sep 17 00:00:00 2001
From: Chewico <chewico3d@gmail.com>
Date: Fri, 9 Oct 2026 18:56:21 +0200
Subject: [PATCH] Sync variables

---
 .../include/deerith/SyncBuffer.h              | 12 --------
 deerith_engine_core/include/deerith/engine.h  |  4 +--
 .../include/deerith/universe/sync_buffer.h    | 29 +++++++++++++++++++
 .../deerith/universe/universe_definition.h    |  9 ++++++
 .../include/deerith/universe/user.h           | 19 ++++++++++++
 .../include/deerith/universe_definition.h     | 11 -------
 deerith_engine_core/src/user.cpp              |  6 ++++
 deerith_engine_server/src/universe.cpp        |  1 -
 sandbox/src/common/common.h                   | 13 +++++++++
 sandbox/src/common/user_definition.cpp        | 16 ++++++++++
 10 files changed, 94 insertions(+), 26 deletions(-)
 delete mode 100644 deerith_engine_core/include/deerith/SyncBuffer.h
 create mode 100644 deerith_engine_core/include/deerith/universe/sync_buffer.h
 create mode 100644 deerith_engine_core/include/deerith/universe/universe_definition.h
 create mode 100644 deerith_engine_core/include/deerith/universe/user.h
 delete mode 100644 deerith_engine_core/include/deerith/universe_definition.h
 create mode 100644 deerith_engine_core/src/user.cpp
 create mode 100644 sandbox/src/common/common.h
 create mode 100644 sandbox/src/common/user_definition.cpp

diff --git a/deerith_engine_core/include/deerith/SyncBuffer.h b/deerith_engine_core/include/deerith/SyncBuffer.h
deleted file mode 100644
index aa292a6..0000000
--- a/deerith_engine_core/include/deerith/SyncBuffer.h
+++ /dev/null
@@ -1,12 +0,0 @@
-#pragma once
-#include <deerith/engine.h>
-
-namespace deerith
-{
-    template <typename T>
-    class SyncBuffer
-    {
-    private:
-    public:
-    }
-}
\ No newline at end of file
diff --git a/deerith_engine_core/include/deerith/engine.h b/deerith_engine_core/include/deerith/engine.h
index 10460ec..4766732 100644
--- a/deerith_engine_core/include/deerith/engine.h
+++ b/deerith_engine_core/include/deerith/engine.h
@@ -3,8 +3,8 @@
 
 // At
 #define UNIVERSE_SIMULATION_TICK_FREQ 50
-#define NETWORK_RELATIVE_UNIVERSE_TICK 2
-#define NETWORK_DELAY 6
+#define NETWORK_RELATIVE_TICK 2
+#define NETWORK_DELAY 10
 
 namespace deerith
 {
diff --git a/deerith_engine_core/include/deerith/universe/sync_buffer.h b/deerith_engine_core/include/deerith/universe/sync_buffer.h
new file mode 100644
index 0000000..c795e64
--- /dev/null
+++ b/deerith_engine_core/include/deerith/universe/sync_buffer.h
@@ -0,0 +1,29 @@
+#pragma once
+#include <deerith/engine.h>
+#include <glm/glm.hpp>
+#include <array>
+
+#define BUFFER_SIZE (NETWORK_DELAY + 20)
+
+namespace deerith
+{
+    class sync_buffer
+    {
+    public:
+        virtual ~sync_buffer() = default;
+    };
+
+    class float_sync_data : public sync_buffer
+    {
+    public:
+    private:
+        std::array<float, BUFFER_SIZE> float_buffer;
+    };
+
+    class vec2_sync_data : public sync_buffer
+    {
+    public:
+    private:
+        std::array<glm::vec2, BUFFER_SIZE> buffer;
+    };
+}
\ No newline at end of file
diff --git a/deerith_engine_core/include/deerith/universe/universe_definition.h b/deerith_engine_core/include/deerith/universe/universe_definition.h
new file mode 100644
index 0000000..8699817
--- /dev/null
+++ b/deerith_engine_core/include/deerith/universe/universe_definition.h
@@ -0,0 +1,9 @@
+#pragma once
+#include <deerith/universe/user.h>
+#include <functional>
+
+namespace deerith
+{
+
+    void define_client_callback(std::function<void(user &)>);
+}
\ No newline at end of file
diff --git a/deerith_engine_core/include/deerith/universe/user.h b/deerith_engine_core/include/deerith/universe/user.h
new file mode 100644
index 0000000..f820b77
--- /dev/null
+++ b/deerith_engine_core/include/deerith/universe/user.h
@@ -0,0 +1,19 @@
+#pragma once
+#include <deerith/universe/sync_buffer.h>
+#include <functional>
+#include <vector>
+
+namespace deerith
+{
+    class user
+    {
+    public:
+        void *user_data = nullptr;
+
+        void add_sync_buffer(sync_buffer *sync_buffer);
+
+    private:
+        std::vector<sync_buffer *> sync_buffer_container;
+    };
+
+}
\ No newline at end of file
diff --git a/deerith_engine_core/include/deerith/universe_definition.h b/deerith_engine_core/include/deerith/universe_definition.h
deleted file mode 100644
index 51e5ee5..0000000
--- a/deerith_engine_core/include/deerith/universe_definition.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#pragma once
-#include <functional>
-
-namespace deerith
-{
-    class Client
-    {
-    };
-
-    void define_client_callback(std::function<void(Client)>);
-}
\ No newline at end of file
diff --git a/deerith_engine_core/src/user.cpp b/deerith_engine_core/src/user.cpp
new file mode 100644
index 0000000..232186f
--- /dev/null
+++ b/deerith_engine_core/src/user.cpp
@@ -0,0 +1,6 @@
+#include <deerith/universe/user.h>
+
+namespace deerit
+{
+
+}
diff --git a/deerith_engine_server/src/universe.cpp b/deerith_engine_server/src/universe.cpp
index 47df82b..3b1fdcd 100644
--- a/deerith_engine_server/src/universe.cpp
+++ b/deerith_engine_server/src/universe.cpp
@@ -1,5 +1,4 @@
 #include <deerith/universe.h>
-#include <deerith/universe_definition.h>
 
 #include <deerith/core/tick.h>
 #include <deerith/core/log.h>
diff --git a/sandbox/src/common/common.h b/sandbox/src/common/common.h
new file mode 100644
index 0000000..b63a3a9
--- /dev/null
+++ b/sandbox/src/common/common.h
@@ -0,0 +1,13 @@
+#pragma once
+#include <deerith/universe/user.h>
+#include <deerith/universe/sync_buffer.h>
+#include <deerith/universe/universe_definition.h>
+
+#include <string>
+
+struct sandbox_user_data_t
+{
+    deerith::vec2_sync_data position;
+};
+
+void define_user();
\ No newline at end of file
diff --git a/sandbox/src/common/user_definition.cpp b/sandbox/src/common/user_definition.cpp
new file mode 100644
index 0000000..4dfeb93
--- /dev/null
+++ b/sandbox/src/common/user_definition.cpp
@@ -0,0 +1,16 @@
+#include "common/common.h"
+#include <deerith/universe/universe_definition.h>
+#include <deerith/core/log.h>
+
+void user_definition_function(deerith::user &user_data)
+{
+    deerith_trace("adding user data to new user");
+
+    sandbox_user_data_t *sandbox_user_data = new sandbox_user_data_t();
+    user_data.add_sync_buffer(&sandbox_user_data->position);
+}
+
+void client_definition()
+{
+    deerith::define_client_callback(user_definition_function);
+}
\ No newline at end of file