Hook system PoC

1 files changed, 29 insertions, 0 deletions

diff --git a/src/port/hooks/impl/EventSystem.cpp b/src/port/hooks/impl/EventSystem.cpp
new file mode 100644
index 00000000..5aa74bc0
--- /dev/null
+++ b/src/port/hooks/impl/EventSystem.cpp
@@ -0,0 +1,29 @@
+#include "EventSystem.h"
+
+EventSystem* EventSystem::Instance = new EventSystem();
+
+size_t EventSystem::RegisterListener(EventID id, EventPriority priority, EventCallback callback) {
+    if (std::find(this->mEventListeners[id].begin(), this->mEventListeners[id].end(), callback) != this->mEventListeners[id].end()) {
+        throw std::runtime_error("Listener already registered");
+    }
+
+    this->mEventListeners[id].push_back(callback);
+}
+
+void EventSystem::CallEvent(EventID id, IEvent* event) {
+    if (this->mEventListeners[id].empty()) {
+        return;
+    }
+
+    for (auto& callback : this->mEventListeners[id]) {
+        callback(event);
+    }
+}
+
+extern "C" size_t EventSystem_RegisterListener(EventID id, EventPriority priority, EventCallback callback) {
+    return EventSystem::Instance->RegisterListener(id, priority, callback);
+}
+
+extern "C" void EventSystem_CallEvent(EventID id, void* event) {
+    EventSystem::Instance->CallEvent(id, static_cast<IEvent*>(event));
+}
\ No newline at end of file