Multiplayer Connect Modal

game/src/mainMenu/layer/MainMenuUiLayer.cpp

@@ -6,6 +6,7 @@
 
 #include "imgui.h"
 #include "GLFW/glfw3.h"
+#include "spdlog/spdlog.h"
 
 void MainMenuUiLayer::onRender() {
     Layer::onRender();
@@ -26,7 +27,7 @@ void MainMenuUiLayer::onRender() {
 
     const ImVec2 buttonSize(180, 40);
 
-    if (ImGui::Button("Play", buttonSize)) {
+    if (ImGui::Button("Neues Spiel", buttonSize)) {
         // z.B. State-Wechsel: game.setState(GameState::Playing);
     }
 
@@ -34,12 +35,25 @@ void MainMenuUiLayer::onRender() {
 
     ImGui::Spacing();
 
+    if (ImGui::Button("Multiplayer", buttonSize)) {
+        spdlog::info("Open Multiplayer Modal");
+        ImGui::OpenPopup("ConnectToServer");
+    }
+
+    ImGui::Spacing();
+
+    ImGui::Spacing();
+
     if (ImGui::Button("Quit", buttonSize)) {
         ApplicationEvents e = QuitRequested{};
         m_applicationEventBus->publish(e);
     }
 
+    renderConnectDialog();
+
     ImGui::End();
+
+
 }
 
 void MainMenuUiLayer::onAttachImpl() {
@@ -54,6 +68,37 @@ void MainMenuUiLayer::onDetachImpl() {
     Layer::onDetachImpl();
 }
 
+void MainMenuUiLayer::renderConnectDialog() {
+    // Zentriert öffnen
+    ImVec2 center = ImGui::GetMainViewport()->GetCenter();
+    ImGui::SetNextWindowPos(center, ImGuiCond_Appearing, ImVec2(0.5f, 0.5f));
+
+    if (ImGui::BeginPopupModal("ConnectToServer", nullptr, ImGuiWindowFlags_AlwaysAutoResize)) {
+        ImGui::InputText("Host", m_hostBuffer, sizeof(m_hostBuffer));
+        ImGui::InputInt("Port", &m_port);
+
+        if (m_connectionError) {
+            ImGui::TextColored(ImVec4(1, 0.3f, 0.3f, 1), "%s", m_errorMessage.c_str());
+        }
+
+        ImGui::Spacing();
+
+        if (ImGui::Button("Connect", ImVec2(120, 0))) {
+            // ApplicationEvents::ConnectRequested e{ m_hostBuffer, static_cast<uint16_t>(m_port) };
+            // m_appEvents.publish(e);
+            // Popup offen lassen bis Ergebnis feststeht, siehe unten
+        }
+
+        ImGui::SameLine();
+
+        if (ImGui::Button("Cancel", ImVec2(120, 0))) {
+            ImGui::CloseCurrentPopup();
+        }
+
+        ImGui::EndPopup();
+    }
+}
+
 void MainMenuUiLayer::onUpdate(float deltaTime) {
     Layer::onUpdate(deltaTime);
 }

game/src/mainMenu/layer/MainMenuUiLayer.h

@@ -28,8 +28,14 @@ protected:
 private:
     engine::AssetManager& m_assetManager;
     std::unique_ptr<engine::GUITexture> backgroundImage;
-
     engine::renderer::GuiRenderer m_guiRenderer;
+
+    char m_hostBuffer[64] = "127.0.0.1";
+    int m_port = 7777;
+    bool m_connectionError = false;
+    std::string m_errorMessage;
+
+    void renderConnectDialog();
 };