Files
ngzz-mc/cmd/client/client_gl.go
NianGao Dev fc151e7c07 fix(render): 修复白屏/黑屏——视图矩阵、UI着色器、网格构建性能与安装目录
- 相机视图矩阵按 R_cam^T·T(-pos) 正确推导(旧布局非正交,非零视角下场景塌缩为灰屏)
- UI 片元着色器改为纹理×颜色(旧实现丢弃纹理 RGB,彩色纹理全白)
- UI 纹理与图集 mipmap:图集补齐 2 次幂、UI 上传不生成 mipmap(NPOT 不完整纹理采样纯白)
- 网格构建持一次读锁(旧实现每格邻居查询各加锁约 40 万次/区块,出生区块迟迟无网格,
  玩家透过脚下的洞看到地下横截面——进游戏黑屏主因);脏区块按距离排序优先构建
- 开启背面剔除(CW 正面):区块边界面向未加载邻居的内侧面不再以暗色出现在视野里
- 出生逻辑:等区块加载后定位地表出生,相机略微俯视
- dev 截图测试:-shot 等待玩家所在 5×5 区块网格就绪再拍(48s 兜底),先测试后打包
- 安装器改为按用户安装到 LOCALAPPDATA(Program Files 无写权限导致启动即崩)
- dev 截图工具独立成 devshot_gl.go
2026-08-16 08:33:08 +08:00

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//go:build gl
// 年糕历险记 —— 客户端入口GL 构建)。
//
// 装配顺序(架构.md §3.1 启动流程):配置 → 日志 → 内容包/图集 → 注册表 → 世界
// → 游戏会话(玩家/背包/相机)→ 渲染器 → 主循环tick 20Hz + render
package main
import (
"context"
"flag"
"os"
"os/signal"
"sort"
"sync"
"time"
"mc/internal/assets"
"mc/internal/atlas"
"mc/internal/block"
"mc/internal/camera"
"mc/internal/chunk"
"mc/internal/config"
"mc/internal/crash"
"mc/internal/engine"
"mc/internal/font"
"mc/internal/game"
"mc/internal/inventory"
"mc/internal/item"
"mc/internal/logx"
"mc/internal/mesh"
"mc/internal/netclient"
"mc/internal/netproto"
"mc/internal/paths"
"mc/internal/physics"
"mc/internal/recipe"
"mc/internal/render"
"mc/internal/save"
"mc/internal/ui"
"mc/internal/world"
"mc/internal/worldgen"
)
var devMode = flag.Bool("dev", devDefault, "开发模式:直接读取 assets/(默认随构建 tag")
// 开发测试参数dev 测试通过后再打包)
var (
autoEnter = flag.Bool("auto", false, "自动进入游戏(跳过主菜单点击)")
shotPath = flag.String("shot", "", "截图路径:运行约 2 秒后保存 PNG 并退出dev 测试用)")
)
// clientApp 客户端应用把会话与渲染粘合起来engine.Ticker + engine.Renderer
type clientApp struct {
sess *game.Session
rend *render.Renderer
reg *block.Registry
in *inputState
uiR *ui.Renderer
hud *ui.HUD
// 屏幕状态机0 主菜单 / 1 游戏中 / 2 暂停UI还原.md §2
screen int
titleScreen *ui.TitleScreen
pauseScreen *ui.PauseScreen
// 联机(多人同步.md §2无连接时为单机
net *netclient.Client
log *logx.Logger
// 其他玩家位置(多人同步.md §3渲染插值后置
remoteMu sync.Mutex
remotePlayers map[uint32][3]float64
meshBuilder *mesh.Builder
mu sync.Mutex
pendingMesh []*worldMeshJob // tick 构建 → 渲染线程上传
winW, winH int
tickCnt uint64
frames int // 渲染帧计数(截图时机用)
lastTime time.Time
}
// worldMeshJob 待上传网格。
type worldMeshJob struct {
cx, cz int32
m *mesh.ChunkMesh
}
// Tick 每 tick20Hz输入 → 玩家 → 会话 → 网格构建(渲染.md §3.3 dirty 重建)。
func (a *clientApp) Tick(dt float64) {
// 屏幕状态机UI还原.md §2主菜单/暂停不处理游戏输入)
switch a.screen {
case 0: // 主菜单
// dev 测试:-auto 自动进入游戏(跳过点击)
if *autoEnter {
a.screen = 1
a.rend.SetCursorMode(true)
return
}
if a.in.clicked {
switch a.titleScreen.HitTest(a.in.clickX, a.in.clickY) {
case "play":
a.screen = 1
a.rend.SetCursorMode(true)
case "multi":
// 联机:连接本机服务器(多人同步.md §2
if err := dialServer(a, "127.0.0.1:25565", "玩家"); err != nil {
a.logf("连接服务器失败: %v", err)
} else {
a.screen = 1
a.rend.SetCursorMode(true)
a.hud.OnlineCount = func() int {
a.remoteMu.Lock()
defer a.remoteMu.Unlock()
return len(a.remotePlayers) + 1 // 含自己
}
a.logf("已连接服务器")
}
case "quit":
a.rend.Window().SetShouldClose(true)
}
a.in.clicked = false
}
a.in.dyaw, a.in.dpitch = 0, 0
return
case 2: // 暂停
if a.in.escPressed {
a.screen = 1
a.rend.SetCursorMode(true)
}
if a.in.clicked {
switch a.pauseScreen.HitTest(a.in.clickX, a.in.clickY) {
case "resume":
a.screen = 1
a.rend.SetCursorMode(true)
case "quit":
a.rend.Window().SetShouldClose(true)
}
a.in.clicked = false
}
a.in.escPressed = false
return
}
// 游戏中
if a.in.escPressed {
a.screen = 2
a.rend.SetCursorMode(false)
a.in.escPressed = false
return
}
a.in.apply(a.sess)
a.sess.Tick(dt)
// 联机上报移动20Hz多人同步.md §3
if a.net != nil {
p := a.sess.Player
a.net.SendMove(netproto.PlayerMove{
X: float32(p.Pos[0]), Y: float32(p.Pos[1]), Z: float32(p.Pos[2]),
Yaw: float32(a.sess.Cam.Yaw), Pitch: float32(a.sess.Cam.Pitch),
OnGround: p.OnGround,
})
}
// 定时存档30s存档与持久化.md §2
a.tickCnt++
if a.tickCnt%(20*30) == 0 && a.net == nil {
if err := save.SaveWorld(a.sess.World, paths.Join("worlds"), "NewWorld", 123456789, int64(a.tickCnt)); err != nil {
// 日志由调用方输出(避免每次 tick 刷屏)
_ = err
}
}
// 脏区块网格重建CPU 侧,预算内;按距玩家距离排序,先建视野中心——
// 随机顺序会致出生区块迟迟无网格,玩家脚下的地面"透明",看到相邻区块地下横截面(黑)。
start := time.Now()
px, pz := a.sess.Player.Pos[0], a.sess.Player.Pos[2]
type dirtyJob struct {
c *chunk.Chunk
d float64
}
var dirty []dirtyJob
for _, c := range a.sess.World.ActiveChunks() {
if !c.Dirty.Load() {
continue
}
dx := float64(c.CX)*16 + 8 - px
dz := float64(c.CZ)*16 + 8 - pz
dirty = append(dirty, dirtyJob{c: c, d: dx*dx + dz*dz})
}
sort.Slice(dirty, func(i, j int) bool { return dirty[i].d < dirty[j].d })
for _, dj := range dirty {
if time.Since(start) > 6*time.Millisecond {
break // 帧预算(区块管理.md §4.3.2
}
// 整个构建持一次读锁:邻居查询免逐次加锁(渲染.md §3.3
a.sess.World.WithReadLock(func() {
m := a.meshBuilder.Build(dj.c, func(x, y, z int32) block.State {
return a.sess.World.BlockUnlocked(x, y, z)
})
a.mu.Lock()
a.pendingMesh = append(a.pendingMesh, &worldMeshJob{cx: dj.c.CX, cz: dj.c.CZ, m: m})
a.mu.Unlock()
})
dj.c.Dirty.Store(false)
}
}
// Render 每帧渲染(渲染线程):上传待传网格 → 视图矩阵 → 三 pass 绘制。
func (a *clientApp) Render() {
// 上传 tick 构建好的网格GL 调用必须在渲染线程)
a.mu.Lock()
pending := a.pendingMesh
a.pendingMesh = nil
a.mu.Unlock()
for _, j := range pending {
a.rend.UploadChunk(j.cx, j.cz, j.m)
mesh.Release(j.m) // 上传完毕归还顶点池(性能与内存.md §2
}
// 视图投影
cam := a.sess.Cam
aspect := float64(a.winW) / float64(a.winH)
a.rend.SetViewProj(cam.View(), cam.Projection(aspect, 0.05, 1024))
// 清屏 + 绘制(视锥剔除简化为全量绘制,后置 LOD
a.rend.BeginFrame()
chunks := a.sess.World.ActiveChunks()
a.rend.DrawChunks(func(i int) (int32, int32) { return chunks[i].CX, chunks[i].CZ }, len(chunks))
// UI passUI与输入.md §23D 之后、状态隔离)
a.uiR.Begin()
mx, my := float32(a.in.cursorX), float32(a.in.cursorY)
switch a.screen {
case 0:
a.titleScreen.Draw(a.uiR, mx, my)
case 1:
a.hud.Draw(a.uiR)
case 2:
a.hud.Draw(a.uiR) // 暂停时世界仍可见UI还原.md §2
a.pauseScreen.Draw(a.uiR, mx, my)
}
a.uiR.Flush()
a.rend.EndFrame()
// 截图dev 测试:游戏内等玩家所在区块 5×5 网格就绪再拍,避免视野空洞导致误判)
a.frames++
if *shotPath != "" && a.frames >= 200 {
ready := a.screen != 1 // 非游戏画面(标题/暂停)无需等区块
if !ready {
ready = true
pcx, pcz := int32(a.sess.Player.Pos[0])>>4, int32(a.sess.Player.Pos[2])>>4
for cx := pcx - 2; cx <= pcx+2 && ready; cx++ {
for cz := pcz - 2; cz <= pcz+2; cz++ {
if !a.rend.HasChunk(cx, cz) {
ready = false
break
}
}
}
}
if ready || a.frames > 2400 { // 就绪即拍48 秒兜底
if !ready {
a.logf("截图兜底视野未完全就绪frame=%d", a.frames)
}
if err := a.saveScreenshot(*shotPath); err != nil {
a.logf("截图失败: %v", err)
} else {
a.logf("截图已保存: %s", *shotPath)
}
a.rend.Window().SetShouldClose(true)
}
}
}
// ShouldClose 窗口关闭判定。
func (a *clientApp) ShouldClose() bool { return a.rend.ShouldClose() }
// logf 客户端日志(联机回调使用)。
func (a *clientApp) logf(format string, args ...any) {
if a.log != nil {
a.log.Infof(format, args...)
}
}
func main() {
crash.SetLogPath(paths.Join("logs", "crash.log")) // 全局崩溃日志(含 goroutine 兜底)
defer crash.Guard(paths.Join("logs", "crash.log")) // 主线程崩溃兜底:闪退可诊断
flag.Parse()
log, err := logx.New(paths.Join("logs", "client.log"), logx.LevelInfo)
if err != nil {
panic(err)
}
cfg, err := config.Load(paths.Join("config", "client.yaml"), config.DefaultClient())
if err != nil {
log.Warnf("配置加载失败,使用默认值:%v", err)
}
log.Infof("%s 客户端启动:%dx%d语言 %s视距 %d", cfg.Client.WindowTitle, cfg.Client.WindowWidth, cfg.Client.WindowHeight, cfg.Client.Language, cfg.Client.RenderDistance)
// 1) 内容包与图集(设计.md §1.3:扫描 mods/ + resourcepacks/
am := assets.New()
if err := am.Load(paths.Join("assets"), paths.Join("mods"), paths.Join("resourcepacks")); err != nil {
log.Warnf("内容包加载失败:%v", err)
}
log.Infof("已加载 %d 个内容包", len(am.Packs()))
keys, err := am.ExpandAtlas("blocks")
if err != nil {
panic(err)
}
atlasImg, uvRects, err := atlas.Build(am.ResolveTexture, keys, 16)
if err != nil {
panic(err)
}
log.Infof("blocks 图集:%d 纹理,%dx%d", len(uvRects), atlasImg.Bounds().Dx(), atlasImg.Bounds().Dy())
// UV 函数(渲染.md §4inset 防渗色)
uvFn := func(texKey string) (u0, v0, u1, v1 float32, ok bool) {
rect, found := uvRects[texKey]
if !found {
return 0, 0, 1, 1, false
}
W, H := float32(atlasImg.Bounds().Dx()), float32(atlasImg.Bounds().Dy())
const inset = 0.5
u0 = (float32(rect.Min.X) + inset) / W
v0 = (float32(rect.Min.Y) + inset) / H
u1 = (float32(rect.Max.X) - inset) / W
v1 = (float32(rect.Max.Y) - inset) / H
return u0, v0, u1, v1, true
}
// items 图集HUD 热键栏图标UI还原.md §7
itemKeys, err := am.ExpandAtlas("items")
if err != nil {
log.Warnf("items 图集展开失败: %v", err)
}
itemImg, itemUVs, err := atlas.Build(am.ResolveTexture, itemKeys, 16)
if err != nil {
log.Warnf("items 图集构建失败: %v", err)
}
// 字体UI还原.md §4素材包位图字体
fontAtlas, err := font.Build(am, "default")
if err != nil {
log.Warnf("字体构建失败: %v", err)
}
// 2) 注册表(设计.md §6.1/§6.2 数据驱动)
reg, err := block.Load(paths.Join("assets", "config", "blocks.json"))
if err != nil {
panic(err)
}
items, err := item.Load(paths.Join("assets", "config", "items.json"))
if err != nil {
panic(err)
}
recipes, err := recipe.Load(paths.Join("assets", "config", "recipes.json"))
if err != nil {
panic(err)
}
// 3) 世界与生成器(区块管理.md §4 异步流水线)
gen, err := worldgen.New(reg, 123456789, 0.005, 0.01, 0.1)
if err != nil {
panic(err)
}
w, err := world.New(reg, gen, cfg.Client.RenderDistance)
if err != nil {
panic(err)
}
defer w.Close()
// 单机存档(存档与持久化.md §3diff-only 载入,无存档则新建)
if _, err := os.Stat(paths.Join("worlds", "NewWorld", "level.dat")); err == nil {
if _, err := save.LoadWorld(w, paths.Join("worlds"), "NewWorld"); err != nil {
log.Warnf("存档载入失败: %v", err)
} else {
log.Infof("已载入世界 NewWorld")
}
}
// 4) 游戏会话(出生逻辑:先等出生区块加载,再定位地表出生——
// 否则玩家从高空坠落会穿过未加载区块掉进地下,游戏内一片漆黑)
var surf int32 = 120
for deadline := time.Now().Add(15 * time.Second); time.Now().Before(deadline); {
w.Update(8.5, 100, 8.5, 8*time.Millisecond)
if w.Block(8, 80, 8) != block.Air {
break
}
time.Sleep(2 * time.Millisecond)
}
for y := int32(255); y > 0; y-- {
if w.Block(8, y, 8) != block.Air {
surf = y
break
}
}
p := physics.NewPlayer(8.5, float64(surf+2), 8.5)
cam := camera.New(p.Eye(), 0, -0.35, cfg.Client.FOV) // 略微俯视,视野内以地形为主
inv := inventory.New(items)
sess := game.NewSession(w, reg, items, recipes, p, inv, cam)
// 5) 渲染器GL 线程亲和在其内部锁定)
rend, err := render.New(cfg.Client.WindowTitle, cfg.Client.WindowWidth, cfg.Client.WindowHeight)
if err != nil {
panic(err)
}
defer rend.Shutdown()
rend.SetAtlas(atlasImg)
// 主菜单状态鼠标可见仅游戏内捕获UI与输入.md §6
rend.SetCursorMode(false)
// 光影包(渲染.md §9未安装 → 默认光影;坏包 → 回退默认)
if sp, err := render.LoadShaderPack(am); err != nil {
log.Warnf("光影包加载失败(使用默认光影):%v", err)
} else if sp != nil {
if err := rend.ApplyShaderPack(sp); err != nil {
log.Warnf("光影包应用失败(使用默认光影):%v", err)
} else {
log.Infof("已加载光影包 %q", sp.ID)
}
}
// UI 层UI还原.md §3.1427×240 基准 × 3 缩放 = 1280×720
guiScale := float32(3)
uiR, err := ui.New(cfg.Client.WindowWidth, cfg.Client.WindowHeight, guiScale)
if err != nil {
panic(err)
}
if fontAtlas != nil {
uiR.SetFont(fontAtlas)
}
hud := ui.NewHUD(sess, items, 427, 240, guiScale)
if itemImg != nil {
itemTex := uiR.UploadImage(itemImg)
itemUV := make(map[string][4]float32, len(itemUVs))
for k, rect := range itemUVs {
W, H := float32(itemImg.Bounds().Dx()), float32(itemImg.Bounds().Dy())
itemUV[k] = [4]float32{
float32(rect.Min.X) / W, float32(rect.Min.Y) / H,
float32(rect.Max.X) / W, float32(rect.Max.Y) / H,
}
}
hud.SetItemAtlas(itemTex, itemUV)
}
// 界面屏幕(原版复刻:土质背景/原版按钮/中文标题UI还原.md §2
lang, err := am.LoadLang(cfg.Client.Language)
if err != nil {
log.Warnf("语言加载失败: %v", err)
}
titleScreen, pauseScreen := buildScreens(uiR, am, lang)
// 6) 输入(鼠标捕获 + 键鼠回调)
in := newInputState(rend.Window())
app := &clientApp{
sess: sess,
rend: rend,
reg: reg,
in: in,
uiR: uiR,
hud: hud,
titleScreen: titleScreen,
pauseScreen: pauseScreen,
log: log,
remotePlayers: make(map[uint32][3]float64),
meshBuilder: mesh.NewBuilder(reg, uvFn),
winW: cfg.Client.WindowWidth,
winH: cfg.Client.WindowHeight,
lastTime: time.Now(),
}
ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
defer stop()
log.Infof("进入游戏主循环")
engine.Run(ctx, app, app)
log.Infof("客户端已退出")
}