140 lines
4.1 KiB
Go
140 lines
4.1 KiB
Go
//go:build gl
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// 界面屏幕构建：原版复刻（UI还原.md §2）——土质背景、原版按钮控件、
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// 中文标题「年糕历险记」、黄色 splash、版本/版权角标。
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package main
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import (
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"image"
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"image/color"
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"image/draw"
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"image/png"
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"os"
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"path/filepath"
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"mc/internal/assets"
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"mc/internal/cjkfont"
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"mc/internal/ui"
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)
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// cjkPaths 系统 CJK 字体候选。
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var cjkPaths = []string{
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filepath.Join(os.Getenv("WINDIR"), "Fonts", "msyh.ttc"),
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filepath.Join(os.Getenv("WINDIR"), "Fonts", "msyh.ttf"),
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}
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// loadCJK 加载系统 CJK 字体（失败返回 nil → 中文标签退化不显示）。
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func loadCJK() *cjkfont.Renderer {
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for _, p := range cjkPaths {
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if _, err := os.Stat(p); err == nil {
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if r, err := cjkfont.Load(p, 24); err == nil {
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return r
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}
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}
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}
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return nil
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}
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// buildScreens 构建主菜单与暂停菜单（原版布局与控件）。
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func buildScreens(r *ui.Renderer, am *assets.Manager, lang *assets.Lang) (*ui.TitleScreen, *ui.PauseScreen) {
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cjk := loadCJK()
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// 原版按钮控件（widget/button.png 200×20 与悬停高亮）
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loadPng := func(key string) (uint32, bool) {
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p, ok := am.ResolveTexture(key)
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if !ok {
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return 0, false
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}
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f, err := os.Open(p)
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if err != nil {
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return 0, false
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}
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img, err := png.Decode(f)
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_ = f.Close()
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if err != nil {
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return 0, false
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}
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return r.UploadImage(img), true
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}
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btnTex, _ := loadPng("gui/sprites/widget/button")
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btnHover, _ := loadPng("gui/sprites/widget/button_highlighted")
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// 土质背景：16px dirt 平铺 1280×720（原版菜单背景质感）
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bgTex := tileBackground(r, am)
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// 中文文本光栅化
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text := func(s string, size float64, c color.RGBA) (uint32, float32, float32) {
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if cjk == nil || s == "" {
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return 0, 0, 0
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}
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img := cjk.Draw(s, c)
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return r.UploadImage(img), float32(img.Bounds().Dx()), float32(img.Bounds().Dy())
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}
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tr := func(key, fallback string, size float64, c color.RGBA) (uint32, float32, float32) {
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s := fallback
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if lang != nil && lang.Get(key) != key {
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s = lang.Get(key)
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}
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return text(s, size, c)
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}
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// 标题与 splash（原版：大标题 + 黄色 splash 于其右下）
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titleTex, tw, th := tr("menu.title", "年糕历险记", 96, color.RGBA{255, 255, 255, 255})
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splashTex, sw, sh := tr("menu.splash", "牛气冲天！", 24, color.RGBA{255, 255, 85, 255})
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// 按钮（原版 200×20、间距 24、居中，UI还原.md §2 布局）
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mkBtn := func(key, fallback, action string, y float32) ui.Button {
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tex, lw, lh := tr(key, fallback, 18, color.RGBA{255, 255, 255, 255})
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return ui.Button{X: 1280/2 - 100, Y: y, W: 200, H: 20, Tex: tex, LabelW: lw, LabelH: lh, Action: action}
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}
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title := &ui.TitleScreen{
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TitleTex: titleTex, TitleW: tw, TitleH: th,
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SplashTex: splashTex, SplashW: sw, SplashH: sh,
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BgTex: bgTex, BtnTex: btnTex, BtnHover: btnHover,
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Version: "年糕历险记 v0.1.0",
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Copyright: "Copyright NianGao Studio. 请勿分发！",
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}
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title.Buttons = []ui.Button{
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mkBtn("menu.singleplayer", "单人游戏", "play", 390),
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mkBtn("menu.multiplayer", "多人游戏", "multi", 414),
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mkBtn("menu.options", "设置…", "", 438),
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mkBtn("menu.quit", "退出游戏", "quit", 462),
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}
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pauseTitle, ptw, pth := tr("menu.game", "游戏菜单", 32, color.RGBA{255, 255, 255, 255})
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pause := &ui.PauseScreen{
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TitleTex: pauseTitle, TitleW: ptw, TitleH: pth,
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BtnTex: btnTex, BtnHover: btnHover,
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}
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pause.Buttons = []ui.Button{
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mkBtn("gui.resume", "继续游戏", "resume", 300),
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mkBtn("menu.quit", "保存并退出", "quit", 324),
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}
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return title, pause
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}
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// tileBackground 把 dirt 纹理平铺成全屏背景（像素风土墙）。
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func tileBackground(r *ui.Renderer, am *assets.Manager) uint32 {
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p, ok := am.ResolveTexture("block/dirt")
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if !ok {
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return 0
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}
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f, err := os.Open(p)
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if err != nil {
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return 0
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}
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tile, err := png.Decode(f)
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_ = f.Close()
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if err != nil {
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return 0
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}
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const w, h = 1280, 720
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bg := image.NewRGBA(image.Rect(0, 0, w, h))
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for y := 0; y < h; y += 16 {
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for x := 0; x < w; x += 16 {
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draw.Draw(bg, image.Rect(x, y, x+16, y+16), tile, image.Point{}, draw.Src)
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}
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}
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return r.UploadImage(bg)
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}
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