Added KeyboardChar event for keyboard text input

src/Engine/Core/InputManager.cpp

@@ -1,10 +1,13 @@
 #include "Core/InputManager.h"
 
+std::vector<unsigned int> InputManager::CharCallbackQueue;
+
 void InputManager::Initialize()
 {
 	// TODO: Gamepad
 	//m_LastGamepadAxisState = std::array<GamepadAxisState, XUSER_MAX_COUNT>();
 	//m_LastGamepadButtonState = std::array<GamepadButtonState, XUSER_MAX_COUNT>();
+    glfwSetCharCallback(m_GLFWWindow, &InputManager::GLFWCharCallback);
 
 	EVENT_SUBSCRIBE_MEMBER(m_ELockMouse, &InputManager::OnLockMouse);
 	EVENT_SUBSCRIBE_MEMBER(m_EUnlockMouse, &InputManager::OnUnlockMouse);
@@ -73,6 +76,14 @@ void InputManager::Update(double dt)
 		m_EventBroker->Publish(e);
 	}
 
+    for (unsigned int& c : CharCallbackQueue) {
+        Events::KeyboardChar e;
+        e.Timestamp = glfwGetTime();
+        e.Char = c;
+        m_EventBroker->Publish(e);
+    }
+    CharCallbackQueue.clear();
+
 	// // Lock mouse while holding LMB
 	// if (m_CurrentMouseState[GLFW_MOUSE_BUTTON_LEFT])
 	// {
@@ -196,6 +207,11 @@ void InputManager::PublishGamepadButtonIfChanged(int gamepadID, Gamepad::Button
 	}
 }
 
+void InputManager::GLFWCharCallback(GLFWwindow* window, unsigned int c)
+{
+    CharCallbackQueue.push_back(c);
+}
+
 bool InputManager::OnLockMouse(const Events::LockMouse &event)
 {
 	m_MouseLocked = true;