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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,3 @@ | ||
| .trunk | ||
| *.log | ||
| main |
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| @@ -0,0 +1,47 @@ | ||
| TARGET=main | ||
| PACKAGE_PATH=. | ||
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| .PHONY: build | ||
| build: | ||
| go build -o ${TARGET} ${PACKAGE_PATH} | ||
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| .PHONY: run | ||
| run: build | ||
| ./${TARGET} | ||
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| .PHONY: clean | ||
| clean: | ||
| go clean | ||
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| .PHONY: test | ||
| test: | ||
| go test ./... | ||
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| .PHONY: lint | ||
| lint: | ||
| golangci-lint run --enable-all | ||
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| .PHONE: deps | ||
| deps: | ||
| go install github.com/golangci/golangci-lint/cmd/[email protected] | ||
| go install github.com/cosmtrek/air@latest | ||
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| .PHONY: up | ||
| up: build | ||
| air --build.cmd "make build" --build.bin "./${TARGET}" --build.delay "100" \ | ||
| --build.exclude_dir "" \ | ||
| --build.include_ext "go, tpl, tmpl, html, css, scss, js, ts, sql, jpeg, jpg, gif, png, bmp, svg, webp, ico" \ | ||
| --misc.clean_on_exit "true" | ||
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| .PHONY: tidy | ||
| tidy: | ||
| go fmt ./... | ||
| go mod tidy -v | ||
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| .PHONY: audit | ||
| audit: | ||
| go mod verify | ||
| go vet ./... | ||
| go run honnef.co/go/tools/cmd/staticcheck@latest -checks=all,-ST1000,-U1000 ./... | ||
| go run golang.org/x/vuln/cmd/govulncheck@latest ./... | ||
| go test -race -buildvcs -vet=off ./... |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,5 @@ | ||
| # Termtris | ||
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| Ever wander what a terminal based tetris game would look like? | ||
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| Started playing around with low level terminal programming in Go in order understand more about the terminal and I endded up working on a tetris game. |
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| Original file line number | Diff line number | Diff line change |
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| package main | ||
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| type Frame struct { | ||
| Width int | ||
| Height int | ||
| Data []rune | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,239 @@ | ||
| package main | ||
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| import ( | ||
| "errors" | ||
| "fmt" | ||
| "sync" | ||
| "time" | ||
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| tcell "github.com/gdamore/tcell/v2" | ||
| "github.com/gdamore/tcell/v2/views" | ||
| ) | ||
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| type Game struct { | ||
| quitq chan struct{} | ||
| screen tcell.Screen | ||
| eventq chan tcell.Event | ||
| errmsg string | ||
| quitone sync.Once | ||
| leftView *views.ViewPort | ||
| centerView *views.ViewPort | ||
| rightView *views.ViewPort | ||
| grid *Grid | ||
| sprites []*Sprite | ||
| active *Sprite | ||
| pause bool | ||
| spawnPiece chan bool | ||
| dropPiece chan bool | ||
| speed time.Duration | ||
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| sync.Mutex | ||
| } | ||
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| func (g *Game) Init() error { | ||
| var err error | ||
| g.screen, err = tcell.NewScreen() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| err = g.screen.Init() | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| defaultStyle := tcell.StyleDefault. | ||
| Background(tcell.ColorBlack). | ||
| Foreground(tcell.ColorWhite) | ||
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| g.screen.SetStyle(defaultStyle) | ||
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| g.screen.EnableMouse() | ||
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| screenWidth, screenHeight := g.screen.Size() | ||
| sidebarWidth := (screenWidth - MainWidth) / 2 | ||
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| g.grid = NewGrid(MainWidth, screenHeight) | ||
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| g.leftView = views.NewViewPort(g.screen, 0, 0, sidebarWidth, screenHeight) | ||
| g.centerView = views.NewViewPort(g.screen, sidebarWidth, 0, MainWidth, screenHeight) | ||
| g.rightView = views.NewViewPort(g.screen, sidebarWidth+MainWidth, 0, sidebarWidth, screenHeight) | ||
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| g.quitq = make(chan struct{}) | ||
| g.eventq = make(chan tcell.Event) | ||
| g.spawnPiece = make(chan bool, 1) | ||
| g.dropPiece = make(chan bool, 1) | ||
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| g.speed = 100 * time.Millisecond | ||
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| g.Reset() | ||
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| return nil | ||
| } | ||
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| func (g *Game) Run() error { | ||
| go g.EventPoller() | ||
| go g.Updater() | ||
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| loop: | ||
| for { | ||
| g.Draw() | ||
| select { | ||
| case <-g.quitq: | ||
| // log.Printf("quit 79\n") | ||
| break loop | ||
| case <-time.After(time.Millisecond * 10): | ||
| case ev := <-g.eventq: | ||
| g.HandleEvent(ev) | ||
| } | ||
| } | ||
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| // Inject a wakeup interrupt | ||
| iev := tcell.NewEventInterrupt(nil) | ||
| g.screen.PostEvent(iev) | ||
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| g.screen.Fini() | ||
| // wait for updaters to finish | ||
| if g.errmsg != "" { | ||
| return errors.New(g.errmsg) | ||
| } | ||
| return nil | ||
| } | ||
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| func (g *Game) Error(msg string) { | ||
| g.errmsg = msg | ||
| g.Quit() | ||
| } | ||
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| func (g *Game) Quit() error { | ||
| g.quitone.Do(func() { | ||
| close(g.quitq) | ||
| }) | ||
| return nil | ||
| } | ||
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| func (g *Game) Reset() { | ||
| g.grid.Clear() | ||
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| g.sprites = []*Sprite{ | ||
| NewSprite(), | ||
| } | ||
| g.active = g.sprites[0] | ||
| } | ||
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| func (g *Game) Draw() { | ||
| g.Lock() | ||
| defer g.Unlock() | ||
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| g.grid.Clear() | ||
| for _, sprite := range g.sprites { | ||
| sprite.Draw(g.grid) | ||
| } | ||
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| g.screen.Clear() | ||
| g.leftView.Fill('.', tcell.StyleDefault. | ||
| Background(tcell.ColorPurple). | ||
| Foreground(tcell.ColorWhite)) | ||
| g.rightView.Fill('.', tcell.StyleDefault. | ||
| Background(tcell.ColorPurple). | ||
| Foreground(tcell.ColorWhite)) | ||
| g.grid.Draw(g.centerView) | ||
| g.screen.Show() | ||
| } | ||
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| func (g *Game) EventPoller() { | ||
| for { | ||
| select { | ||
| case <-g.quitq: | ||
| // log.Printf("quit 140\n") | ||
| return | ||
| default: | ||
| } | ||
| ev := g.screen.PollEvent() | ||
| if ev == nil { | ||
| return | ||
| } | ||
| select { | ||
| case <-g.quitq: | ||
| // log.Printf("quit 150\n") | ||
| return | ||
| case g.eventq <- ev: | ||
| } | ||
| } | ||
| } | ||
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| func (g *Game) HandleEvent(ev tcell.Event) bool { | ||
| switch ev := ev.(type) { | ||
| case *tcell.EventResize: | ||
| // g.lview.Resize(0, 1, -1, -1) | ||
| // g.sview.Resize(0, 0, -1, 1) | ||
| // g.level.HandleEvent(ev) | ||
| case *tcell.EventKey: | ||
| if ev.Key() == tcell.KeyEscape || ev.Key() == tcell.KeyCtrlC { | ||
| fmt.Printf("Pressing quit\n") | ||
| g.Quit() | ||
| return true | ||
| } | ||
| if ev.Key() == tcell.KeyEnter { | ||
| g.pause = !g.pause | ||
| return true | ||
| } | ||
| if ev.Key() == tcell.KeyUp { | ||
| if !g.pause && g.grid.CanPieceMove(g.active) { | ||
| g.active.NextFrame() | ||
| } | ||
| return true | ||
| } | ||
| if ev.Key() == tcell.KeyDown { | ||
| // g.dropPiece <- true | ||
| g.speed = time.Millisecond * 10 | ||
| return true | ||
| } | ||
| if ev.Key() == tcell.KeyLeft { | ||
| if !g.pause && g.grid.CanPieceMoveLeft(g.active) { | ||
| g.active.PosX -= 1 | ||
| } | ||
| return true | ||
| } | ||
| if ev.Key() == tcell.KeyRight { | ||
| if !g.pause && g.grid.CanPieceMoveRight(g.active) { | ||
| g.active.PosX += 1 | ||
| } | ||
| return true | ||
| } | ||
| } | ||
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| return true | ||
| } | ||
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| func (g *Game) Updater() { | ||
| for { | ||
| select { | ||
| case <-g.quitq: | ||
| // log.Printf("quit 204\n") | ||
| return | ||
| case <-time.After(g.speed): | ||
| g.Lock() | ||
| // log.Printf("updating 1\n") | ||
| // g.level.Update(time.Now()) | ||
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| if !g.pause { | ||
| if g.grid.CanPieceMoveVertically(g.active) { | ||
| g.active.PosY += 1 | ||
| } else { | ||
| g.SpawnPiece() | ||
| g.speed = time.Millisecond * 100 | ||
| } | ||
| } | ||
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| g.Unlock() | ||
| } | ||
| } | ||
| } | ||
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| func (g *Game) SpawnPiece() { | ||
| // log.Printf("spawn piece\n") | ||
| sprite := NewSprite() | ||
| g.sprites = append(g.sprites, sprite) | ||
| g.active = sprite | ||
| } |
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