login promptingggggggg

internal/app/buffer.go

@@ -13,8 +13,11 @@ type buffer struct {
 }
 
 func newBuffer(width, height int) *buffer {
-	b := &buffer{width: width, height: height}
-	b.clear()
+	b := &buffer{
+		width:  width,
+		height: height,
+		tiles:  make([]tile, width*height),
+	}
 	return b
 }
 
@@ -43,7 +46,11 @@ func (b *buffer) writeString(s string, start math.Vec, style tcell.Style) {
 	}
 }
 
-func (b *buffer) clear() { b.tiles = make([]tile, b.width*b.height) }
+func (b *buffer) clear() {
+	for i, _ := range b.tiles {
+		b.tiles[i] = tile{}
+	}
+}
 
 func (b *buffer) blit(s tcell.Screen, offset math.Vec) {
 	for x := 0; x < b.width; x++ {

internal/app/form.go

@@ -0,0 +1,35 @@
+package app
+
+import (
+	"github.com/gdamore/tcell/v2"
+	"github.com/jordanorelli/astro-domu/internal/math"
+)
+
+type form struct {
+	fields []textField
+	active int
+}
+
+func (f *form) handleEvent(e tcell.Event) change {
+	switch t := e.(type) {
+	case *tcell.EventKey:
+		key := t.Key()
+		switch key {
+		case tcell.KeyEnter:
+			return login{name: f.fields[0].textInput.entered}
+		}
+	}
+	return f.fields[0].handleEvent(e)
+}
+
+func (f *form) draw(b *buffer, _ *state) {
+	for i, field := range f.fields {
+		b.writeString(field.label, math.Vec{0, i * 2}, tcell.StyleDefault)
+		b.writeString(field.prompt+field.entered, math.Vec{0, i*2 + 1}, tcell.StyleDefault)
+	}
+}
+
+type textField struct {
+	label string
+	textInput
+}

internal/app/game_view.go

@@ -3,79 +3,71 @@ package app
 import (
 	"github.com/gdamore/tcell/v2"
 	"github.com/jordanorelli/astro-domu/internal/sim"
-	"github.com/jordanorelli/astro-domu/internal/wire"
 	"github.com/jordanorelli/blammo"
 )
 
 type gameView struct {
 	*blammo.Log
-	room    *wire.Room
-	me      *wire.Entity
 	inFocus bool
 }
 
-func (v *gameView) handleEvent(ui *UI, e tcell.Event) bool {
+func (v *gameView) handleEvent(e tcell.Event) change {
 	switch t := e.(type) {
 	case *tcell.EventKey:
 		key := t.Key()
 		if key == tcell.KeyRune {
 			switch t.Rune() {
 			case 'w':
-				v.move(ui, 0, -1)
+				return move{0, -1}
 			case 'a':
-				v.move(ui, -1, 0)
+				return move{-1, 0}
 			case 's':
-				v.move(ui, 0, 1)
+				return move{0, 1}
 			case 'd':
-				v.move(ui, 1, 0)
+				return move{1, 0}
 			}
 		}
 	default:
 		// ui.Debug("screen saw unhandled event of type %T", e)
 	}
-	return true
+	return nil
 }
 
-func (v *gameView) move(ui *UI, dx, dy int) {
-	// fuck lol
-	go ui.client.Send(sim.Move{dx, dy})
-}
-
-func (v *gameView) draw(b *buffer) {
-	v.drawHeader(b)
+func (v *gameView) draw(b *buffer, st *state) {
+	v.drawHeader(b, st)
 
 	// fill in background dots first
-	for x := 0; x < v.room.Width; x++ {
-		for y := 0; y < v.room.Height; y++ {
+	for x := 0; x < st.room.Width; x++ {
+		for y := 0; y < st.room.Height; y++ {
 			b.set(x+1, y+2, tile{r: '·', style: tcell.StyleDefault})
 		}
 	}
 	b.set(0, 1, tile{r: '┌'})
-	b.set(v.room.Width+1, 1, tile{r: '┐'})
-	b.set(0, v.room.Height+2, tile{r: '└'})
-	b.set(v.room.Width+1, v.room.Height+2, tile{r: '┘'})
-	for x := 0; x < v.room.Width; x++ {
+	b.set(st.room.Width+1, 1, tile{r: '┐'})
+	b.set(0, st.room.Height+2, tile{r: '└'})
+	b.set(st.room.Width+1, st.room.Height+2, tile{r: '┘'})
+	for x := 0; x < st.room.Width; x++ {
 		b.set(x+1, 1, tile{r: '─'})
-		b.set(x+1, v.room.Height+2, tile{r: '─'})
+		b.set(x+1, st.room.Height+2, tile{r: '─'})
 	}
-	for y := 0; y < v.room.Height; y++ {
+	for y := 0; y < st.room.Height; y++ {
 		b.set(0, y+2, tile{r: '│'})
-		b.set(v.room.Width+1, y+2, tile{r: '│'})
+		b.set(st.room.Width+1, y+2, tile{r: '│'})
 	}
-	for _, e := range v.room.Entities {
+	for _, e := range st.room.Entities {
 		pos := e.Position
 		b.set(pos.X+1, pos.Y+2, tile{r: e.Glyph, style: tcell.StyleDefault})
 	}
 
 }
 
-func (v *gameView) drawHeader(b *buffer) {
+func (v *gameView) drawHeader(b *buffer, st *state) {
 	// the first row is the name of the room that we're currently in
 	var style tcell.Style
 	style = style.Background(tcell.NewRGBColor(64, 64, 128))
 	style = style.Foreground(tcell.NewRGBColor(0, 0, 0))
 
-	runes := []rune(v.room.Name)
+	runes := []rune(st.room.Name)
 
 	for i := 0; i < b.width; i++ {
 		if i < len(runes) {
@@ -87,3 +79,12 @@ func (v *gameView) drawHeader(b *buffer) {
 }
 
 func (v *gameView) setFocus(yes bool) { v.inFocus = yes }
+
+type move struct {
+	x int
+	y int
+}
+
+func (m move) exec(ui *UI) {
+	ui.client.Send(sim.Move{m.x, m.y})
+}

internal/app/login.go

@@ -0,0 +1,46 @@
+package app
+
+import (
+	"github.com/jordanorelli/astro-domu/internal/wire"
+)
+
+type login struct {
+	name string
+}
+
+func (l login) exec(ui *UI) {
+	ui.client = &wire.Client{
+		Log:  ui.Child("client"),
+		Host: "cdm.jordanorelli.com",
+		Port: 12805,
+	}
+
+	n, err := ui.client.Dial()
+	if err != nil {
+		panic("unable to dial server: " + err.Error())
+	}
+	ui.notifications = n
+
+	res, err := ui.client.Send(wire.Login{Name: l.name})
+	if err != nil {
+		panic("unable to login: " + err.Error())
+	}
+	welcome := res.Body.(*wire.Welcome)
+	ui.Info("cool beans! a login response: %#v", welcome)
+	ui.state.playerName = l.name
+	if ui.state.room == nil {
+		ui.state.room = new(wire.Room)
+	}
+	p := welcome.Players[l.name]
+	// avi := p.Avatar
+	room := welcome.Rooms[p.Room]
+	// e := room.Entities[p.Avatar]
+	ui.state.room = &room
+
+	ui.root = &node{
+		view: &gameView{
+			Log: ui.Child("game-view"),
+		},
+	}
+	ui.Info("done logging in, we replaced the root view whaduheck")
+}

internal/app/menu_list.go

@@ -3,43 +3,48 @@ package app
 import (
 	"github.com/gdamore/tcell/v2"
 	"github.com/jordanorelli/astro-domu/internal/math"
-	"github.com/jordanorelli/blammo"
 )
 
 type menuList struct {
-	*blammo.Log
-	choices  []string
-	selected int
+	choices   []menuItem
+	highlight int
 }
 
-func (m *menuList) handleEvent(ui *UI, e tcell.Event) bool {
+func (m *menuList) handleEvent(e tcell.Event) change {
 	switch t := e.(type) {
 	case *tcell.EventKey:
 		key := t.Key()
 		switch key {
+		case tcell.KeyEnter:
+			return m.choices[m.highlight].onSelect
 		case tcell.KeyDown:
-			m.selected = (m.selected + 1) % len(m.choices)
+			m.highlight = (m.highlight + 1) % len(m.choices)
+			return nil
 		case tcell.KeyUp:
-			if m.selected == 0 {
-				m.selected = len(m.choices) - 1
+			if m.highlight == 0 {
+				m.highlight = len(m.choices) - 1
 			} else {
-				m.selected--
+				m.highlight--
 			}
+			return nil
 		}
-	default:
-		// ui.Debug("screen saw unhandled event of type %T", e)
 	}
-	return true
+	return nil
 }
 
-func (m *menuList) draw(b *buffer) {
+func (m *menuList) draw(b *buffer, _ *state) {
 	for i, choice := range m.choices {
-		if i == m.selected {
-			b.writeString("▷ "+choice, math.Vec{0, i}, tcell.StyleDefault)
+		if i == m.highlight {
+			b.writeString("▷ "+choice.name, math.Vec{0, i}, tcell.StyleDefault)
 		} else {
-			b.writeString("  "+choice, math.Vec{0, i}, tcell.StyleDefault)
+			b.writeString("  "+choice.name, math.Vec{0, i}, tcell.StyleDefault)
 		}
 	}
 }
 
 func (m *menuList) setFocus(bool) {}
+
+type menuItem struct {
+	name     string
+	onSelect change
+}

internal/app/node.go

@@ -0,0 +1,6 @@
+package app
+
+type node struct {
+	view
+	children []*node
+}

internal/app/state.go

@@ -0,0 +1,8 @@
+package app
+
+import "github.com/jordanorelli/astro-domu/internal/wire"
+
+type state struct {
+	playerName string
+	room       *wire.Room
+}

internal/app/text.go

@@ -0,0 +1,41 @@
+package app
+
+import (
+	"fmt"
+
+	"github.com/gdamore/tcell/v2"
+	"github.com/jordanorelli/astro-domu/internal/math"
+)
+
+type textInput struct {
+	prompt  string
+	entered string
+}
+
+func (t *textInput) handleEvent(e tcell.Event) change {
+	switch v := e.(type) {
+	case *tcell.EventKey:
+		key := v.Key()
+
+		if key == tcell.KeyBackspace || key == tcell.KeyBackspace2 {
+			line := []rune(t.entered)
+			if len(line) > 0 {
+				line = line[:len(line)-1]
+			}
+			t.entered = string(line)
+			break
+		}
+
+		if key == tcell.KeyRune {
+			t.entered = fmt.Sprintf("%s%c", t.entered, v.Rune())
+		}
+
+	default:
+		// ui.Debug("screen saw unhandled event of type %T", e)
+	}
+	return nil
+}
+
+func (t *textInput) draw(b *buffer, _ *state) {
+	b.writeString(t.prompt+t.entered, math.Vec{0, 0}, tcell.StyleDefault)
+}

internal/app/ui.go

@@ -1,7 +1,7 @@
 package app
 
 import (
-	"fmt"
+	"time"
 
 	"github.com/gdamore/tcell/v2"
 	"github.com/jordanorelli/astro-domu/internal/exit"
@@ -13,87 +13,58 @@ import (
 
 type UI struct {
 	*blammo.Log
-	PlayerName string
 	screen        tcell.Screen
-	room       *wire.Room
 	client        *wire.Client
+	notifications <-chan wire.Response
 
-	statusBar *statusBar
-	gameView  *gameView
-	testList  *menuList
-	chatView  *chatView
-	focussed  view
+	state state
+	root  *node
 }
 
 func (ui *UI) Run() {
 	ui.setupTerminal()
 	defer ui.clearTerminal()
 
-	ui.room = new(wire.Room)
+	ui.root = mainMenu
 
-	if err := ui.connect(); err != nil {
-		return
-	}
+	input := make(chan tcell.Event)
+	go ui.pollInput(input)
 
-	res, err := ui.client.Send(wire.Login{Name: ui.PlayerName})
-	if err != nil {
-		ui.Error("login error: %v", err)
-		return
-	}
+	tick := time.Tick(time.Second / time.Duration(30))
 
-	welcome, ok := res.Body.(*wire.Welcome)
-	if !ok {
-		ui.Error("unexpected initial message of type %t", res.Body)
+	width, height := ui.screen.Size()
+	b := newBuffer(width, height)
+
+	// b, prev := newBuffer(width, height), newBuffer(width, height)
+
+	for {
+		notify := ui.notifications
+
+		select {
+		case e := <-input:
+			switch v := e.(type) {
+			case *tcell.EventKey:
+				key := v.Key()
+				if key == tcell.KeyCtrlC {
+					ui.Info("saw ctrl+c keyboard input, shutting down")
 					return
 				}
-	ui.Info("welcome: %v", welcome)
-	meta := welcome.Players[ui.PlayerName]
-	room := welcome.Rooms[meta.Room]
-	ui.room = &room
-	ui.gameView = &gameView{
-		Log:  ui.Child("game-view"),
-		room: &room,
-		me: &wire.Entity{
-			ID:       meta.Avatar,
-			Glyph:    room.Entities[meta.Avatar].Glyph,
-			Position: room.Entities[meta.Avatar].Position,
-		},
-	}
-	ui.chatView = &chatView{
-		Log:     ui.Child("chat-view"),
-		history: make([]sim.ChatMessage, 0, 32),
 			}
-	ui.statusBar = &statusBar{}
-	ui.testList = &menuList{
-		Log:     ui.Child("menu-list"),
-		choices: []string{"apple", "banana", "orange"},
+			ui.Info("input event: %v", e)
+			wants := ui.root.handleEvent(e)
+			if wants != nil {
+				wants.exec(ui)
 			}
-	ui.focussed = ui.gameView
-
-	ui.Info("running ui")
-	if ui.handleUserInput() {
-		ui.Info("user requested close")
-		ui.Info("closing client")
-		ui.client.Close()
-		ui.Info("client closed")
-		ui.Info("finalizing screen")
-	}
-	ui.Info("run loop done, shutting down")
-}
-
-func (ui *UI) connect() error {
-	ui.client = &wire.Client{
-		Log:  ui.Child("client"),
-		Host: "cdm.jordanorelli.com",
-		Port: 12805,
+		case <-tick:
+			b.clear()
+			ui.root.draw(b, &ui.state)
+			b.blit(ui.screen, math.Vec{0, 0})
+			ui.screen.Show()
+		case n := <-notify:
+			ui.Info("notification: %v", n)
+			ui.handleNotification(n.Body)
 		}
-
-	c, err := ui.client.Dial()
-	if err != nil {
-		return fmt.Errorf("unable to dial server: %v", err)
 	}
-	go ui.handleNotifications(c)
-	return nil
 }
 
 func (ui *UI) setupTerminal() {
@@ -116,63 +87,45 @@ func (ui *UI) setupTerminal() {
 }
 
 func (ui *UI) clearTerminal() {
-	ui.statusBar.clearCount++
 	ui.screen.Clear()
 	ui.screen.Fini()
 }
 
-func (ui *UI) handleNotifications(c <-chan wire.Response) {
-	for n := range c {
-		ui.statusBar.msgCount++
-		if ui.handleNotification(n.Body) {
-			if ui.gameView != nil {
-				ui.render()
-			}
-		}
-	}
-	ui.Info("notifications channel is closed so we must be done")
-	ui.Info("clearing and finalizing screen from notifications goroutine")
-	ui.statusBar.clearCount++
-	ui.screen.Clear()
-	ui.screen.Fini()
-	ui.Info("screen finalized")
-}
-
 func (ui *UI) handleNotification(v wire.Value) bool {
 	switch n := v.(type) {
 
 	case *wire.Entity:
-		ui.room.Entities[n.ID] = *n
+		ui.state.room.Entities[n.ID] = *n
 		return true
 
 	case *wire.Frame:
-		if ui.room == nil {
-			ui.room = new(wire.Room)
+		if ui.state.room == nil {
+			ui.state.room = new(wire.Room)
 		}
 
-		ui.room.Name = n.RoomName
-		ui.room.Rect = n.RoomSize
-		ui.room.Entities = n.Entities
+		ui.state.room.Name = n.RoomName
+		ui.state.room.Rect = n.RoomSize
+		ui.state.room.Entities = n.Entities
 		return true
 
 	case *wire.Delta:
 		if n.RoomSize != nil {
-			ui.room.Rect = *n.RoomSize
+			ui.state.room.Rect = *n.RoomSize
 		}
 
 		if len(n.Entities) > 0 {
 			for id, e := range n.Entities {
 				if e != nil {
-					ui.room.Entities[id] = *e
+					ui.state.room.Entities[id] = *e
 				} else {
-					delete(ui.room.Entities, id)
+					delete(ui.state.room.Entities, id)
 				}
 			}
 		}
 		return true
 
 	case *sim.ChatMessage:
-		ui.chatView.history = append(ui.chatView.history, *n)
+		// ui.chatView.history = append(ui.chatView.history, *n)
 		return true
 
 	default:
@@ -198,79 +151,47 @@ func (ui *UI) writeString(x, y int, s string, style tcell.Style) {
 	}
 }
 
-func (ui *UI) handleUserInput() bool {
-	ui.statusBar.clearCount++
-	ui.screen.Clear()
-	ui.render()
+func (ui *UI) pollInput(c chan tcell.Event) {
+	defer close(c)
 
 	for {
 		e := ui.screen.PollEvent()
 		if e == nil {
 			ui.Info("run loop sees nil event, breaking out")
-			// someone else shut us down, so return false
-			return false
-		}
-
-		switch v := e.(type) {
-		case *tcell.EventKey:
-			key := v.Key()
-			if key == tcell.KeyCtrlC {
-				ui.Info("saw ctrl+c keyboard input, shutting down")
-				// we want to shut things down
-				return true
-			}
-			if key == tcell.KeyTab {
-				ui.Info("saw tab from keyboard input, switching focussed view")
-				ui.focussed.setFocus(false)
-				switch ui.focussed {
-				case ui.gameView:
-					ui.focussed = ui.chatView
-				case ui.chatView:
-					ui.focussed = ui.testList
-				case ui.testList:
-					ui.focussed = ui.gameView
-				}
-				ui.focussed.setFocus(true)
-				goto HANDLED
-			}
-		}
-
-		ui.focussed.handleEvent(ui, e)
-		ui.statusBar.clearCount++
-		ui.screen.Clear()
-		ui.render()
-		ui.statusBar.showCount++
-		ui.screen.Show()
-	HANDLED:
+			return
 		}
+		c <- e
 	}
-
-func (ui *UI) render() {
-	width, height := ui.screen.Size()
-
-	{
-		b := newBuffer(width, 1)
-		ui.statusBar.draw(b)
-		b.blit(ui.screen, math.Vec{0, 0})
 }
 
-	gameViewHeight := math.Max((height-1)/2, 8)
-	{
-		b := newBuffer(width/2, gameViewHeight)
-		ui.gameView.draw(b)
-		b.blit(ui.screen, math.Vec{0, 1})
-	}
-	{
-		b := newBuffer(width/2, gameViewHeight)
-		ui.testList.draw(b)
-		b.blit(ui.screen, math.Vec{width / 2, 1})
-	}
-	{
-		b := newBuffer(width, height-gameViewHeight-1)
-		ui.chatView.draw(b)
-		b.blit(ui.screen, math.Vec{0, gameViewHeight + 1})
+var mainMenu = &node{
+	view: &menuList{
+		choices: []menuItem{
+			menuItem{
+				name: "join",
+				onSelect: changeFn(func(ui *UI) {
+					ui.root = joinForm
+				}),
+			},
+			menuItem{
+				name: "exit",
+				onSelect: changeFn(func(ui *UI) {
+					panic("this is bad programming")
+				}),
+			},
+		},
+	},
 }
 
-	ui.statusBar.showCount++
-	ui.screen.Show()
+var joinForm = &node{
+	view: &form{
+		fields: []textField{
+			textField{
+				label: "What is your name?",
+				textInput: textInput{
+					prompt: "> ",
+				},
+			},
+		},
+	},
 }

internal/app/view.go

@@ -5,7 +5,18 @@ import (
 )
 
 type view interface {
-	handleEvent(*UI, tcell.Event) bool
-	draw(*buffer)
+	handleEvent(tcell.Event) change
+	draw(*buffer, *state)
+}
+
+type focusable interface {
 	setFocus(bool)
 }
+
+type change interface {
+	exec(*UI)
+}
+
+type changeFn func(*UI)
+
+func (f changeFn) exec(ui *UI) { f(ui) }

internal/sim/world.go

@@ -224,7 +224,7 @@ func (w *world) register(c connect) {
 		outbox: make(chan wire.Response, 8),
 		pending: &Request{
 			From:  c.login.Name,
-			Seq:   1,
+			Seq:   90,
 			Wants: &spawnPlayer{},
 		},
 	}

internal/wire/client.go

@@ -164,7 +164,7 @@ func (c *Client) writeLoop() {
 		case res := <-c.resolved:
 			p, ok := sent[res.Re]
 			if !ok {
-				c.Error("saw response for unknown seq %d")
+				c.Error("saw response for unknown seq %d", res.Re)
 				break
 			}
 			delete(sent, res.Re)

main.go

@@ -35,7 +35,7 @@ func main() {
 
 	switch os.Args[1] {
 	case "client":
-		runClient(os.Args[2])
+		runClient()
 	case "server":
 		s := sim.Server{}
 		if err := s.Start("cdm.jordanorelli.com", 12805); err != nil {
@@ -51,7 +51,7 @@ func main() {
 	}
 }
 
-func runClient(name string) {
+func runClient() {
 	log := newLog("./astro.log").Child("client")
 
 	start := time.Now()
@@ -64,7 +64,6 @@ func runClient(name string) {
 
 	app := app.UI{
 		Log: log.Child("ui"),
-		PlayerName: name,
 	}
 	app.Run()
 }