inital commit

src/scenes/game_play_scene.cpp

@@ -0,0 +1,33 @@
+#include <player.hpp>
+#include <movement.hpp>
+#include <scene.hpp>
+#include <render.hpp>
+#include <asset/raylib_asset.hpp>
+
+
+GamePlayScene::GamePlayScene() {
+    registry = entt::registry();
+
+    asset_loader.load_asset("assets/bird.png");
+    create_player(registry,asset_loader.get_texture("assets/bird.png"));
+
+}
+
+void GamePlayScene::update(float dt) {
+    update_movement_system(registry, dt);
+    update_player_system(registry, dt);
+}
+
+
+
+void GamePlayScene::render() {
+    update_render_system(registry);
+}
+
+void GamePlayScene::ui() {
+}
+
+GamePlayScene::~GamePlayScene(){
+    asset_loader.unload_asset("assets/bird.png");
+
+}

src/scenes/menu_scene.cpp

@@ -0,0 +1,56 @@
+#include <player.hpp>
+#include <movement.hpp>
+#include <scene.hpp>
+
+#include <imgui.h>
+
+// #include <format>
+
+
+MenuScene::MenuScene() {
+}
+
+void MenuScene::update(float dt) {
+}
+
+void MenuScene::render() {}
+
+void MenuScene::ui() {
+
+    // Get the current screen/viewport size
+    ImVec2 screen_size = ImGui::GetIO().DisplaySize;
+
+    // size of button container
+    ImVec2 vbox_size = ImVec2(200.0f, 250.0f);
+
+    // set next container to be center of the screen
+    ImVec2 screen_center = ImVec2(screen_size.x * 0.5f, screen_size.y * 0.5f);
+    ImGui::SetNextWindowPos(screen_center, ImGuiCond_Always,ImVec2(0.5f, 0.5f));
+    ImGui::SetNextWindowSize(vbox_size);
+
+    // remove sub window decoration 
+    ImGuiWindowFlags flags = ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoBackground;
+
+    ImGui::Begin("VBoxContainer", nullptr, flags);
+
+    // set button width to be size fill container
+    ImVec2 button_size = ImVec2(ImGui::GetContentRegionAvail().x, 50.0f);
+
+    // ImGui::SetCursorPos(centeredPos);
+    if (ImGui::Button("Play",button_size)){
+        g_Engine.request_switch(SceneType::GAMEPLAY);
+    }
+
+    ImGui::Dummy(ImVec2(0, 10)); // Gap
+
+    if (ImGui::Button("Quit",button_size)){
+        g_Engine.quit();   
+    }
+
+    ImGui::End();
+
+    // ImGui::Begin("Debug");
+    // ImGui::Button("Hello",button_size);
+    // ImGui::TextUnformatted(std::format("window size: {} {} ", screen_size.x,screen_size.y).c_str());
+    // ImGui::End();
+}

src/scenes/scene.cpp

@@ -0,0 +1,39 @@
+#include <scene.hpp>
+
+SceneManager::SceneManager(){
+    current_scene = new MenuScene(); 
+}
+
+SceneManager::~SceneManager(){
+    delete current_scene;
+}
+
+void SceneManager::process_scene_switch(){
+    if (!g_Engine.pendingSwitch) return;
+    
+    delete current_scene;
+
+    switch(g_Engine.nextScene){
+        case SceneType::MENU:
+            current_scene = new MenuScene();
+            break;
+        case SceneType::GAMEPLAY:
+            current_scene = new GamePlayScene();
+            break;
+    }
+    g_Engine.pendingSwitch = false;
+}
+
+void SceneManager::update(float dt){
+    if (current_scene){
+        current_scene->update(dt);
+    }
+}
+
+void SceneManager::render(){
+        current_scene->render();
+}
+
+void SceneManager::ui(){
+        current_scene->ui();
+}