From 728df4e785e340575377c101008fb3d9e8fba7a0 Mon Sep 17 00:00:00 2001
From: camila314 <47485054+camila314@users.noreply.github.com>
Date: Mon, 13 Jan 2025 03:56:25 -0600
Subject: [PATCH] Event V2 system

---
 loader/include/Geode/Loader.hpp         |  1 +
 loader/include/Geode/loader/EventV2.hpp | 23 +++++++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 loader/include/Geode/loader/EventV2.hpp

diff --git a/loader/include/Geode/Loader.hpp b/loader/include/Geode/Loader.hpp
index a1bb4c37e..94b8143e3 100644
--- a/loader/include/Geode/Loader.hpp
+++ b/loader/include/Geode/Loader.hpp
@@ -5,6 +5,7 @@
 #include "loader/Log.hpp"
 #include "loader/Mod.hpp"
 #include "loader/ModEvent.hpp"
+#include "loader/EventV2.hpp"
 #include "loader/Setting.hpp"
 #include "loader/Dirs.hpp"
 
diff --git a/loader/include/Geode/loader/EventV2.hpp b/loader/include/Geode/loader/EventV2.hpp
new file mode 100644
index 000000000..296c472c3
--- /dev/null
+++ b/loader/include/Geode/loader/EventV2.hpp
@@ -0,0 +1,23 @@
+#pragma once
+
+#include "Event.hpp"
+
+namespace geode::event::v2 {
+	template <is_event T>
+	struct GEODE_DLL WrapFilter : public EventFilter<T> {
+	    std::function<bool(T*)> m_filterFunc;
+
+	    WrapFilter(std::function<bool(T*)> ff) : m_filterFunc(ff) {}
+
+	    ListenerResult handle(std::function<ListenerResult(T*)> fn, T* event) {
+	        if (m_filterFunc(event))
+	            return fn(event);
+	        return ListenerResult::Propagate;
+	    }
+	};
+
+	template <typename T>
+	struct GEODE_DLL EventHandler : public EventListener<WrapFilter<T>> {
+	    EventHandler(std::function<bool(T*)> filterFunc) : EventListener<WrapFilter<T>>(WrapFilter(filterFunc)) {}
+	};
+}