From d1053b168826b4c04326e78bb87ea07f7678cc5c Mon Sep 17 00:00:00 2001
From: dankmeme01 <42031238+dankmeme01@users.noreply.github.com>
Date: Sat, 19 Oct 2024 21:29:24 +0200
Subject: [PATCH] add CallFuncExt util

---
 loader/include/Geode/utils/cocos.hpp | 34 ++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/loader/include/Geode/utils/cocos.hpp b/loader/include/Geode/utils/cocos.hpp
index 6eb5a13e..c103c571 100644
--- a/loader/include/Geode/utils/cocos.hpp
+++ b/loader/include/Geode/utils/cocos.hpp
@@ -1363,6 +1363,40 @@ namespace geode::cocos {
         }
     };
 
+    // CCCallFunc alternative that accepts a lambda (or any function object)
+    template <std::invocable F>
+    class CallFuncExtImpl : public cocos2d::CCActionInstant {
+    public:
+        static CallFuncExtImpl* create(const F& func) {
+            auto ret = new CallFuncExtImpl;
+            ret->m_func = func;
+            ret->autorelease();
+            return ret;
+        }
+
+        static CallFuncExtImpl* create(F&& func) {
+            auto ret = new CallFuncExtImpl;
+            ret->m_func = std::move(func);
+            ret->autorelease();
+            return ret;
+        }
+
+    private:
+        F m_func;
+
+        void update(float) override {
+            if (m_func) this->m_func();
+        }
+    };
+
+    // small hack to allow template deduction
+    struct CallFuncExt {
+        template <std::invocable F>
+        static CallFuncExtImpl<F>* create(F&& func) {
+            return CallFuncExtImpl<F>::create(std::forward<F>(func));
+        }
+    };
+
     void GEODE_DLL handleTouchPriorityWith(cocos2d::CCNode* node, int priority, bool force = false);
     void GEODE_DLL handleTouchPriority(cocos2d::CCNode* node, bool force = false);
 }