218 lines
7.8 KiB
C++
218 lines
7.8 KiB
C++
#include "StartScene.h"
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#include "audio_context.h"
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#include "audio_controller.h"
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#include "data.h"
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#include "PlayScene.h"
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#include <extra2d/extra2d.h>
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namespace pushbox {
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StartScene::StartScene() {
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auto& app = extra2d::Application::instance();
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auto& config = app.getConfig();
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setViewportSize(static_cast<float>(config.width), static_cast<float>(config.height));
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}
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static extra2d::Ptr<extra2d::FontAtlas> loadMenuFont() {
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auto& resources = extra2d::Application::instance().resources();
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auto font = resources.loadFont("assets/font.ttf", 28,true);
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return font;
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}
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void StartScene::onEnter() {
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Scene::onEnter();
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auto& app = extra2d::Application::instance();
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auto& resources = app.resources();
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setBackgroundColor(extra2d::Colors::Black);
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if (getChildren().empty()) {
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auto audioNode = AudioController::create();
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audioNode->setName("audio_controller");
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addChild(audioNode);
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setAudioController(audioNode);
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float screenW = static_cast<float>(app.getConfig().width);
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float screenH = static_cast<float>(app.getConfig().height);
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auto bgTex = resources.loadTexture("assets/images/start.jpg");
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if (bgTex) {
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auto background = extra2d::Sprite::create(bgTex);
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float bgWidth = static_cast<float>(bgTex->getWidth());
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float bgHeight = static_cast<float>(bgTex->getHeight());
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float offsetX = (screenW - bgWidth) / 2.0f;
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float offsetY = (screenH - bgHeight) / 2.0f;
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background->setAnchor(0.0f, 0.0f);
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background->setPosition(offsetX, offsetY);
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addChild(background);
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float centerX = screenW / 2.0f;
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font_ = loadMenuFont();
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if (!font_) {
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return;
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}
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// 创建菜单按钮（使用 Button 实现文本居中）
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// 设置按钮锚点为中心点，位置设为屏幕中心，实现真正的居中
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startBtn_ = extra2d::Button::create();
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startBtn_->setFont(font_);
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startBtn_->setText("新游戏");
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startBtn_->setTextColor(extra2d::Colors::Black);
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startBtn_->setBackgroundColor(extra2d::Colors::Transparent,
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extra2d::Colors::Transparent,
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extra2d::Colors::Transparent);
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startBtn_->setBorder(extra2d::Colors::Transparent, 0.0f);
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startBtn_->setPadding(extra2d::Vec2(0.0f, 0.0f));
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startBtn_->setCustomSize(200.0f, 40.0f);
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startBtn_->setAnchor(0.5f, 0.5f);
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startBtn_->setPosition(centerX, offsetY + 260.0f);
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addChild(startBtn_);
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resumeBtn_ = extra2d::Button::create();
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resumeBtn_->setFont(font_);
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resumeBtn_->setText("继续关卡");
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resumeBtn_->setTextColor(extra2d::Colors::Black);
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resumeBtn_->setBackgroundColor(extra2d::Colors::Transparent,
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extra2d::Colors::Transparent,
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extra2d::Colors::Transparent);
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resumeBtn_->setBorder(extra2d::Colors::Transparent, 0.0f);
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resumeBtn_->setPadding(extra2d::Vec2(0.0f, 0.0f));
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resumeBtn_->setCustomSize(200.0f, 40.0f);
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resumeBtn_->setAnchor(0.5f, 0.5f);
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resumeBtn_->setPosition(centerX, offsetY + 300.0f);
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addChild(resumeBtn_);
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exitBtn_ = extra2d::Button::create();
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exitBtn_->setFont(font_);
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exitBtn_->setText("退出");
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exitBtn_->setTextColor(extra2d::Colors::Black);
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exitBtn_->setBackgroundColor(extra2d::Colors::Transparent,
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extra2d::Colors::Transparent,
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extra2d::Colors::Transparent);
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exitBtn_->setBorder(extra2d::Colors::Transparent, 0.0f);
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exitBtn_->setPadding(extra2d::Vec2(0.0f, 0.0f));
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exitBtn_->setCustomSize(200.0f, 40.0f);
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exitBtn_->setAnchor(0.5f, 0.5f);
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exitBtn_->setPosition(centerX, offsetY + 340.0f);
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addChild(exitBtn_);
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// 音效开关图标（相对于背景图左上角）
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auto soundOn = resources.loadTexture("assets/images/soundon.png");
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auto soundOff = resources.loadTexture("assets/images/soundoff.png");
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if (soundOn && soundOff) {
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soundIcon_ = extra2d::Sprite::create(g_SoundOpen ? soundOn : soundOff);
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soundIcon_->setPosition(offsetX + 50.0f, offsetY + 50.0f);
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addChild(soundIcon_);
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}
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}
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}
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// 始终有3个菜单项
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menuCount_ = 3;
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updateMenuColors();
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}
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void StartScene::onUpdate(float dt) {
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Scene::onUpdate(dt);
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auto& app = extra2d::Application::instance();
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auto& input = app.input();
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// 方向键上下切换选择
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if (input.isButtonPressed(extra2d::GamepadButton::DPadUp)) {
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selectedIndex_ = (selectedIndex_ - 1 + menuCount_) % menuCount_;
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updateMenuColors();
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} else if (input.isButtonPressed(extra2d::GamepadButton::DPadDown)) {
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selectedIndex_ = (selectedIndex_ + 1) % menuCount_;
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updateMenuColors();
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}
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// A键确认
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if (input.isButtonPressed(extra2d::GamepadButton::A)) {
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executeMenuItem();
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}
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// X键切换音效
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if (input.isButtonPressed(extra2d::GamepadButton::X)) {
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g_SoundOpen = !g_SoundOpen;
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if (auto audio = getAudioController()) {
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audio->setEnabled(g_SoundOpen);
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}
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updateSoundIcon();
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}
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}
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void StartScene::updateMenuColors() {
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// 根据选中状态更新按钮文本颜色
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// 选中的项用红色，未选中的用黑色，禁用的项用深灰色
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if (startBtn_) {
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startBtn_->setTextColor(selectedIndex_ == 0 ? extra2d::Colors::Red : extra2d::Colors::Black);
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}
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if (resumeBtn_) {
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// "继续关卡"始终显示，但当 g_CurrentLevel == 1 时禁用（深灰色）
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if (g_CurrentLevel > 1) {
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// 可用状态：选中为红色，未选中为黑色
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resumeBtn_->setTextColor(selectedIndex_ == 1 ? extra2d::Colors::Red : extra2d::Colors::Black);
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} else {
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// 禁用状态：深灰色 (RGB: 80, 80, 80)
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resumeBtn_->setTextColor(extra2d::Color(80, 80, 80, 255));
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}
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}
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if (exitBtn_) {
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exitBtn_->setTextColor(selectedIndex_ == 2 ? extra2d::Colors::Red : extra2d::Colors::Black);
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}
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}
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void StartScene::updateSoundIcon() {
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if (!soundIcon_) return;
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auto& app = extra2d::Application::instance();
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auto& resources = app.resources();
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auto soundOn = resources.loadTexture("assets/images/soundon.png");
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auto soundOff = resources.loadTexture("assets/images/soundoff.png");
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if (soundOn && soundOff) {
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soundIcon_->setTexture(g_SoundOpen ? soundOn : soundOff);
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}
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}
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void StartScene::executeMenuItem() {
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// 始终有3个选项，但"继续关卡"(索引1)在 g_CurrentLevel == 1 时禁用
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switch (selectedIndex_) {
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case 0:
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startNewGame();
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break;
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case 1:
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// 只有当 g_CurrentLevel > 1 时才能选择"继续关卡"
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if (g_CurrentLevel > 1) {
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continueGame();
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}
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break;
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case 2:
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exitGame();
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break;
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}
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}
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void StartScene::startNewGame() {
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extra2d::Application::instance().scenes().replaceScene(
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extra2d::makePtr<PlayScene>(1), extra2d::TransitionType::Fade, 0.25f);
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}
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void StartScene::continueGame() {
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extra2d::Application::instance().scenes().replaceScene(
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extra2d::makePtr<PlayScene>(g_CurrentLevel), extra2d::TransitionType::Fade, 0.25f);
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}
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void StartScene::exitGame() {
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extra2d::Application::instance().quit();
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}
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} // namespace pushbox
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