event: refactor HookSystem into a typed event bus (#13333)

Refactors the old HookSystem into a typed event bus with clear
separation,
discovery and types.

1 files changed, 8 insertions, 0 deletions

diff --git a/src/event/EventBus.cpp b/src/event/EventBus.cpp
new file mode 100644
index 00000000..f06c3984
--- /dev/null
+++ b/src/event/EventBus.cpp
@@ -0,0 +1,8 @@
+#include "EventBus.hpp"
+
+using namespace Event;
+
+UP<CEventBus>& Event::bus() {
+    static UP<CEventBus> p = makeUnique<CEventBus>();
+    return p;
+}