From 8dc8b9ea86abb1f9f643f798494d446b803852af Mon Sep 17 00:00:00 2001
From: Mike Nolan <tesses@tesses.net>
Date: Fri, 6 Jun 2025 23:13:31 -0500
Subject: [PATCH] Add event

---
 CMakeLists.txt                     | 14 +++++---
 examples/runevent.cpp              | 22 ++++++++++++
 include/TessesFramework/Common.hpp | 56 +++++++++++++++++++++++++++++-
 src/TF_Init.cpp                    |  5 ++-
 4 files changed, 90 insertions(+), 7 deletions(-)
 create mode 100644 examples/runevent.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4e572a4..e1c0718 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,15 +80,17 @@ target_compile_definitions(TessesFramework PUBLIC TESSESFRAMEWORK_CERT_BUNDLE_FI
 endif()
 
 if(TESSESFRAMEWORK_FETCHCONTENT)
-
+set(MBEDTLS_FATAL_WARNINGS OFF)
+set(ENABLE_TESTING OFF)
+set(ENABLE_PROGRAMS OFF)
+if(TESSESFRAMEWORK_ENABLE_SHARED)
+set(USE_SHARED_MBEDTLS_LIBRARY ON)
+endif()
 FetchContent_Declare(
     mbedtls
     GIT_REPOSITORY https://github.com/Mbed-TLS/mbedtls.git
 )
-set(MBEDTLS_FATAL_WARNINGS OFF)
-set(ENABLE_TESTING OFF)
-set(ENABLE_PROGRAMS OFF)
-set(USE_SHARED_MBEDTLS_LIBRARY ON)
+
 FetchContent_MakeAvailable(mbedtls)
 else()
 set(MBEDTLS_DIR "" CACHE PATH "Mbed tls directory")
@@ -254,6 +256,8 @@ if(TESSESFRAMEWORK_ENABLE_EXAMPLES)
          add_executable(wsecho examples/wsecho.cpp)
         target_link_libraries(wsecho PUBLIC tessesframework)
 
+         add_executable(runevent examples/runevent.cpp)
+        target_link_libraries(runevent PUBLIC tessesframework)
 endif()
 
 if(TESSESFRAMEWORK_ENABLE_APPS)
diff --git a/examples/runevent.cpp b/examples/runevent.cpp
new file mode 100644
index 0000000..1efb605
--- /dev/null
+++ b/examples/runevent.cpp
@@ -0,0 +1,22 @@
+#include "TessesFramework/TessesFramework.hpp"
+using namespace Tesses::Framework;
+int main(int argc, char** argv)
+{
+    TF_Init();
+    auto event =  std::make_shared<FunctionalEvent<uint64_t>>([](uint64_t n)->void {
+        std::cout << n << std::endl;
+    });
+    OnItteraton += event;
+
+
+    auto event2 = std::make_shared<FunctionalEvent<uint64_t>>([&event](uint64_t n)->void{
+        if(n == 10000) OnItteraton -= event;
+    });
+    OnItteraton += event2;
+
+
+    TF_RunEventLoop();
+    
+    return 0;
+
+}
\ No newline at end of file
diff --git a/include/TessesFramework/Common.hpp b/include/TessesFramework/Common.hpp
index f41a5ba..20a22f4 100644
--- a/include/TessesFramework/Common.hpp
+++ b/include/TessesFramework/Common.hpp
@@ -7,7 +7,7 @@
 #include <filesystem>
 #include <map>
 #include <vector>
-
+#include <functional>
 
     class TextException : public std::exception {
         
@@ -29,6 +29,60 @@
     };
 namespace Tesses::Framework
 {
+        template<typename...TArgs>
+    class Event {
+        public:
+            virtual void Invoke(TArgs... args)=0;
+            virtual ~Event()
+            {}
+    };
+    template<typename...TArgs>
+    class FunctionalEvent : public Event<TArgs...> {
+        std::function<void(TArgs...)> cb;
+        public:
+            FunctionalEvent(std::function<void(TArgs...)> cb)
+            {
+                this->cb = cb;
+            }
+            void Invoke(TArgs... args)
+            {
+                this->cb(args...);
+            }
+    };
+
+    template<typename...TArgs>
+    class EventList : public Event<TArgs...> {
+        std::vector<std::shared_ptr<Event<TArgs...>>> items;
+        public:
+            void operator+=(std::shared_ptr<Event<TArgs...>> event)
+            {
+                for(std::shared_ptr<Event<TArgs...>>& item : this->items)
+                {
+                    if(item.get() == event.get()) return;
+                }
+                this->items.push_back(event);
+            }
+            void operator-=(std::shared_ptr<Event<TArgs...>> event)
+            {
+                for(auto i = this->items.begin(); i != this->items.end(); i++)
+                {
+                    if(i->get() == event.get())
+                    {
+                        this->items.erase(i);
+                        return;
+                    }
+                }
+            }
+            void Invoke(TArgs... args)
+            {
+                for(auto& item : this->items)
+                {
+                    item->Invoke(args...);
+                }
+            }
+    };
+
+    extern EventList<uint64_t> OnItteraton;
     void TF_Init();
     void TF_InitWithConsole();
     void TF_ConnectToSelf(uint16_t port);
diff --git a/src/TF_Init.cpp b/src/TF_Init.cpp
index ce408c7..e0df690 100644
--- a/src/TF_Init.cpp
+++ b/src/TF_Init.cpp
@@ -36,7 +36,7 @@ static GXRModeObj *rmode = NULL;
 
 namespace Tesses::Framework
 {
-    
+    EventList<uint64_t> OnItteraton;
     #if defined(TESSESFRAMEWORK_ENABLE_THREADING) && (defined(GEKKO) || defined(__SWITCH__))
     namespace Threading
     {
@@ -71,8 +71,11 @@ namespace Tesses::Framework
     bool initedConsole=false;
     PadState default_pad;        
     #endif
+    uint64_t ittr=0;
     void TF_RunEventLoopItteration()
     {
+        
+        OnItteraton.Invoke(ittr++);
         #if defined(TESSESFRAMEWORK_ENABLE_THREADING) && (defined(GEKKO) || defined(__SWITCH__))
         Tesses::Framework::Threading::LookForFinishedThreads();
         #endif