236 lines
6.4 KiB
Go
236 lines
6.4 KiB
Go
//go:build gl
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// 界面屏幕：主菜单与暂停菜单（UI还原.md §2：427×240 × guiScale）。
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package ui
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// Button 一个按钮：区域在 427×240 虚拟空间。
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type Button struct {
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X, Y, W, H float32
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Tex uint32
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LabelW float32
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LabelH float32
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Action string
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}
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// TitleScreen 主菜单（UI还原.md §2：3D 全景背景 + 缩放控件）。
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type TitleScreen struct {
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TitleTex uint32
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TitleW float32
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TitleH float32
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SplashTex uint32
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SplashW float32
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SplashH float32
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BgTex uint32
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BtnTex uint32
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BtnHover uint32
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Buttons []Button
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Version string
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Copyright string
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VersionTex uint32
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VersionW float32
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VersionH float32
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CopyrightTex uint32
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CopyrightW float32
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CopyrightH float32
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scale, ox, oy float32
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worldBg bool
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}
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// Layout 按窗口与整数 guiScale 放置 427×240 虚拟画布（UI还原.md §3.1）。
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func (s *TitleScreen) Layout(winW, winH, scale float32) {
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if scale < 1 {
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scale = 1
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}
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s.scale = scale
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vw, vh := 427*scale, 240*scale
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s.ox = (winW - vw) / 2
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s.oy = (winH - vh) / 2
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}
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func (s *TitleScreen) mapped(vx, vy, vw, vh float32) (x, y, w, h float32) {
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sc := s.scale
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if sc < 1 {
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sc = 1
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}
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return s.ox + vx*sc, s.oy + vy*sc, vw * sc, vh * sc
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}
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// SetWorldBg 已绘制 3D 世界时只加遮罩，不再铺泥土墙。
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func (s *TitleScreen) SetWorldBg(ok bool) { s.worldBg = ok }
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// HitTest 命中检测（屏幕像素）。
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func (s *TitleScreen) HitTest(mx, my float32) string {
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for _, b := range s.Buttons {
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x, y, w, h := s.mapped(b.X, b.Y, b.W, b.H)
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if mx >= x && mx <= x+w && my >= y && my <= y+h {
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return b.Action
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}
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}
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return ""
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}
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// Draw 绘制主菜单（遮罩 → 标题+splash → 按钮 → 角标）。
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func (s *TitleScreen) Draw(r *Renderer, mx, my float32) {
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w, h := float32(r.w), float32(r.h)
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if s.worldBg {
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r.DrawRect(0, 0, w, h, [4]float32{0, 0, 0, 0.38})
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} else if s.BgTex != 0 {
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r.pushQuad(quad{x: 0, y: 0, w: w, h: h, u0: 0, v0: 0, u1: 1, v1: 1,
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r: 1, g: 1, b: 1, a: 1, tex: s.BgTex})
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r.DrawRect(0, 0, w, h, [4]float32{0, 0, 0, 0.25})
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} else {
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r.DrawRect(0, 0, w, h, [4]float32{0.08, 0.1, 0.12, 1})
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}
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sc := s.scale
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if sc < 1 {
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sc = 1
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}
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if s.TitleTex != 0 && s.TitleH > 0 {
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th := float32(42) * sc
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tw := s.TitleW / s.TitleH * th
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r.pushQuad(quad{x: w/2 - tw/2, y: s.oy + 16*sc, w: tw, h: th,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.TitleTex})
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if s.SplashTex != 0 {
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sh := float32(12) * sc
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sw := s.SplashW / s.SplashH * sh
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r.pushQuad(quad{x: w/2 + tw/2 - sw, y: s.oy + 16*sc + th + 2*sc, w: sw, h: sh,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.SplashTex})
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}
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}
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for _, b := range s.Buttons {
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x, y, bw, bh := s.mapped(b.X, b.Y, b.W, b.H)
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hover := mx >= x && mx <= x+bw && my >= y && my <= y+bh
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tex := s.BtnTex
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if hover && s.BtnHover != 0 {
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tex = s.BtnHover
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}
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if tex != 0 {
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r.pushQuad(quad{x: x, y: y, w: bw, h: bh, u0: 0, v0: 0, u1: 1, v1: 1,
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r: 1, g: 1, b: 1, a: 1, tex: tex})
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}
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if b.Tex != 0 {
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lw, lh := b.LabelW*sc*0.55, b.LabelH*sc*0.55
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r.pushQuad(quad{x: x + (bw-lw)/2, y: y + (bh-lh)/2, w: lw, h: lh,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: b.Tex})
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}
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}
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if s.VersionTex != 0 {
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r.pushQuad(quad{x: 8, y: h - s.VersionH - 8, w: s.VersionW, h: s.VersionH,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.VersionTex})
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} else if s.Version != "" {
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r.DrawText(8, h-12, s.Version, 1, [4]float32{1, 1, 1, 1})
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}
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if s.CopyrightTex != 0 {
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r.pushQuad(quad{x: w - s.CopyrightW - 8, y: h - s.CopyrightH - 8, w: s.CopyrightW, h: s.CopyrightH,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.CopyrightTex})
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} else if s.Copyright != "" {
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r.DrawText(w-r.TextWidth(s.Copyright, 1)-8, h-12, s.Copyright, 1, [4]float32{1, 1, 1, 1})
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}
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}
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// PauseScreen 暂停菜单（UI还原.md §2：半透明遮罩 + 缩放按钮）。
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type PauseScreen struct {
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TitleTex uint32
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TitleW float32
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TitleH float32
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BtnTex uint32
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BtnHover uint32
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Buttons []Button
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scale, ox, oy float32
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}
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// Layout 与主菜单同一套 427×240 缩放。
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func (s *PauseScreen) Layout(winW, winH, scale float32) {
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if scale < 1 {
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scale = 1
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}
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s.scale = scale
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vw, vh := 427*scale, 240*scale
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s.ox = (winW - vw) / 2
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s.oy = (winH - vh) / 2
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}
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func (s *PauseScreen) mapped(vx, vy, vw, vh float32) (x, y, w, h float32) {
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sc := s.scale
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if sc < 1 {
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sc = 1
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}
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return s.ox + vx*sc, s.oy + vy*sc, vw * sc, vh * sc
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}
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// HitTest 命中检测。
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func (s *PauseScreen) HitTest(mx, my float32) string {
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for _, b := range s.Buttons {
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x, y, w, h := s.mapped(b.X, b.Y, b.W, b.H)
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if mx >= x && mx <= x+w && my >= y && my <= y+h {
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return b.Action
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}
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}
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return ""
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}
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// Draw 绘制暂停菜单。
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func (s *PauseScreen) Draw(r *Renderer, mx, my float32) {
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w, h := float32(r.w), float32(r.h)
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r.DrawRect(0, 0, w, h, [4]float32{0, 0, 0, 0.6})
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sc := s.scale
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if sc < 1 {
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sc = 1
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}
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if s.TitleTex != 0 && s.TitleH > 0 {
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th := float32(18) * sc
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tw := s.TitleW / s.TitleH * th
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r.pushQuad(quad{x: w/2 - tw/2, y: s.oy + 28*sc, w: tw, h: th,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.TitleTex})
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}
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for _, b := range s.Buttons {
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x, y, bw, bh := s.mapped(b.X, b.Y, b.W, b.H)
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hover := mx >= x && mx <= x+bw && my >= y && my <= y+bh
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tex := s.BtnTex
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if hover && s.BtnHover != 0 {
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tex = s.BtnHover
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}
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if tex != 0 {
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r.pushQuad(quad{x: x, y: y, w: bw, h: bh, u0: 0, v0: 0, u1: 1, v1: 1,
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r: 1, g: 1, b: 1, a: 1, tex: tex})
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}
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if b.Tex != 0 {
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lw, lh := b.LabelW*sc*0.55, b.LabelH*sc*0.55
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r.pushQuad(quad{x: x + (bw-lw)/2, y: y + (bh-lh)/2, w: lw, h: lh,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: b.Tex})
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}
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}
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}
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// DeathScreen 死亡界面（UI还原.md §2：原因 + 重生 / 回标题；screen=11）。
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type DeathScreen struct {
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PauseScreen
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Cause string
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CauseTex uint32
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CauseW float32
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CauseH float32
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}
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func (s *DeathScreen) Draw(r *Renderer, mx, my float32) {
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s.PauseScreen.Draw(r, mx, my)
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sc := s.scale
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if sc < 1 {
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sc = 1
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}
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w := float32(r.w)
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if s.CauseTex != 0 && s.CauseH > 0 {
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th := float32(14) * sc
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tw := s.CauseW / s.CauseH * th
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r.pushQuad(quad{x: w/2 - tw/2, y: s.oy + 56*sc, w: tw, h: th,
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u0: 0, v0: 0, u1: 1, v1: 1, r: 1, g: 1, b: 1, a: 1, tex: s.CauseTex})
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return
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}
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if s.Cause != "" {
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r.DrawText(w/2-r.TextWidth(s.Cause, 1)/2, s.oy+56*sc, s.Cause, 1, [4]float32{1, 0.7, 0.7, 1})
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}
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}
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