add (very) basic main menu

src/td/display/Display.cpp

@@ -80,8 +80,7 @@ Display::Display(int a_Width, int a_Height, const std::string& a_Title) :
 	utils::LOG(utils::Format(
 		"GL Context : %i.%i %s, Color : R:%i G:%i B:%i A:%i, Depth bits : %i", major, minor, mask_desc, r, g, b, a, depth));
 
-	utils::LOG(utils::Format(
-		"MultiSamples : Buffers : %i, Samples : %i", mBuffers, mSamples));
+	utils::LOG(utils::Format("MultiSamples : Buffers : %i, Samples : %i", mBuffers, mSamples));
 
 	SDL_GL_MakeCurrent(m_Window, m_GLContext);
 
@@ -148,7 +147,7 @@ void Display::PollEvents() {
 			}
 
 			case SDL_EVENT_KEY_DOWN: {
-				if(!event.key.repeat)
+				if (!event.key.repeat)
 					OnKeyDown(event.key.key);
 				break;
 			}
@@ -166,6 +165,9 @@ void Display::PollEvents() {
 
 void Display::Update(float a_Delta) {
 	StateMachine::Update(a_Delta);
+#ifndef NDEBUG
+	ImGui::ShowDemoWindow();
+#endif
 	ImGui::Render();
 	ImGuiIO& io = ImGui::GetIO();
 	glViewport(0, 0, (int)io.DisplaySize.x, (int)io.DisplaySize.y);

src/td/display/menu/CreatePartyMenu.cpp

@@ -0,0 +1,16 @@
+#include <td/display/menu/CreatePartyMenu.h>
+
+#include <imgui.h>
+
+namespace td {
+
+CreatePartyMenu::CreatePartyMenu(MainMenuState& a_MainMenu) : MainMenuState::Menu(a_MainMenu) {}
+
+CreatePartyMenu::~CreatePartyMenu() {}
+
+void CreatePartyMenu::Update() {
+	ImGui::Text("CreatePartyMenu");
+	m_StateStack.RenderBackButton();
+}
+
+}  // namespace td

src/td/display/menu/JoinPartyMenu.cpp

@@ -0,0 +1,16 @@
+#include <td/display/menu/JoinPartyMenu.h>
+
+#include <imgui.h>
+
+namespace td {
+
+JoinPartyMenu::JoinPartyMenu(MainMenuState& a_MainMenu) : MainMenuState::Menu(a_MainMenu) {}
+
+JoinPartyMenu::~JoinPartyMenu() {}
+
+void JoinPartyMenu::Update() {
+	ImGui::Text("JoinPartyMenu");
+	m_StateStack.RenderBackButton();
+}
+
+}  // namespace td

src/td/display/menu/MainMenu.cpp

@@ -0,0 +1,28 @@
+#include <td/display/menu/MainMenu.h>
+
+#include <imgui.h>
+#include <td/display/menu/CreatePartyMenu.h>
+#include <td/display/menu/JoinPartyMenu.h>
+#include <td/display/menu/SettingsMenu.h>
+#include <td/display/state/DebugWorldState.h>
+
+namespace td {
+
+MainMenu::MainMenu(MainMenuState& a_MainMenu) : MainMenuState::Menu(a_MainMenu) {}
+
+MainMenu::~MainMenu() {}
+
+void MainMenu::Update() {
+	if (ImGui::Button("Create Party"))
+		m_StateStack.PushState<CreatePartyMenu>();
+	if (ImGui::Button("Join Party"))
+		m_StateStack.PushState<JoinPartyMenu>();
+	if (ImGui::Button("Settings"))
+		m_StateStack.PushState<SettingsMenu>();
+#ifndef NDEBUG
+	if (ImGui::Button("Debug world"))
+		m_StateStack.ChangeState<DebugWorldState>();
+#endif
+}
+
+}  // namespace td

src/td/display/menu/SettingsMenu.cpp

@@ -0,0 +1,16 @@
+#include <td/display/menu/SettingsMenu.h>
+
+#include <imgui.h>
+
+namespace td {
+
+SettingsMenu::SettingsMenu(MainMenuState& a_MainMenu) : MainMenuState::Menu(a_MainMenu) {}
+
+SettingsMenu::~SettingsMenu() {}
+
+void SettingsMenu::Update() {
+	ImGui::Text("SettingsMenu");
+	m_StateStack.RenderBackButton();
+}
+
+}  // namespace td

src/td/display/state/MainMenuState.cpp

@@ -1,18 +1,31 @@
 #include <td/display/state/MainMenuState.h>
 
-#include <td/display/state/DebugWorldState.h>
 #include <imgui.h>
+#include <td/display/menu/MainMenu.h>
+#include <td/display/state/DebugWorldState.h>
 
 namespace td {
 
-MainMenuState::MainMenuState(Display& a_Display) : DisplayState(a_Display) {}
+MainMenuState::MainMenuState(Display& a_Display) : DisplayState(a_Display) {
+	PushState<MainMenu>();
+}
+
 MainMenuState::~MainMenuState() {}
 
 void MainMenuState::Update(float a_Delta) {
 	ImGui::Begin("MainWindow");
-	if(ImGui::Button("Start debug world"))
-		m_StateMachine.ChangeState<DebugWorldState>();
+	MainMenuStateStack::Update();
 	ImGui::End();
 }
 
+void MainMenuState::RenderBackButton() {
+	if (ImGui::Button("Back"))
+		PopState();
+}
+
+void MainMenuState::OnKeyDown(SDL_Keycode a_Key) {
+	if (a_Key == SDLK_ESCAPE)
+		PopState();
+}
+
 }  // namespace td

src/td/render/renderer/WorldRenderer.cpp

@@ -16,7 +16,6 @@ WorldRenderer::~WorldRenderer() {}
 void WorldRenderer::Render(float a_Lerp) {
 	m_Shader->Start();
 	Renderer::Render(*m_WorldVao);
-	ImGui::ShowDemoWindow();
 }
 
 }  // namespace render