i wanna dieeeeeeeeeee

internal/sim/entity.go

@@ -23,3 +23,7 @@ type behavior interface {
 	// update is the standard tick function
 	update(time.Duration)
 }
+
+type doNothing struct{}
+
+func (d doNothing) update(time.Duration) {}

internal/sim/player.go

@@ -33,7 +33,9 @@ func (m *Move) exec(r *room, p *player, seq int) result {
 	if r.tiles[n].here != nil {
 		return result{reply: wire.Errorf("target cell (%d, %d) is occupied", target[0], target[1])}
 	}
+	r.tiles[p.entity.Position[1]*r.width+p.entity.Position[0]].here = nil
 	p.entity.Position = target
+	r.tiles[n].here = p.entity
 	return result{reply: p.entity, announce: p.entity}
 }
 
@@ -44,6 +46,8 @@ type SpawnPlayer struct {
 	queued bool
 }
 
+var lastEntityID = 0
+
 func (s *SpawnPlayer) exec(r *room, _ *player, seq int) result {
 	if !s.queued {
 		r.Info("spawn player requested for: %s", s.Name)
@@ -53,6 +57,7 @@ func (s *SpawnPlayer) exec(r *room, _ *player, seq int) result {
 			return result{}
 		}
 
+		lastEntityID++
 		p := &player{
 			Log:     r.Log.Child("players").Child(s.Name),
 			room:    r,
@@ -60,13 +65,15 @@ func (s *SpawnPlayer) exec(r *room, _ *player, seq int) result {
 			outbox:  s.Outbox,
 			pending: make([]Request, 0, 32),
 			entity: &Entity{
-				ID:       999,
+				ID:       lastEntityID,
 				Position: [2]int{0, 0},
 				Glyph:    '@',
+				behavior: doNothing{},
 			},
 		}
 		p.pending = append(p.pending, Request{Seq: seq, From: s.Name, Wants: s})
 		r.players[s.Name] = p
+		r.tiles[0].here = p.entity
 		s.queued = true
 		return result{}
 	}

internal/sim/room.go

@@ -22,6 +22,12 @@ func (r *room) update(dt time.Duration) {
 		for _, req := range p.pending {
 			res := req.Wants.exec(r, p, req.Seq)
 			p.outbox <- wire.Response{Re: req.Seq, Body: res.reply}
+			for _, p2 := range r.players {
+				if p2 == p {
+					continue
+				}
+				p2.outbox <- wire.Response{Body: res.reply}
+			}
 		}
 		p.pending = p.pending[0:0]
 	}

internal/ui/mode.go

@@ -3,17 +3,19 @@ package ui
 import (
 	"github.com/gdamore/tcell/v2"
 	"github.com/jordanorelli/astro-domu/internal/sim"
+	"github.com/jordanorelli/astro-domu/internal/wire"
 )
 
 type Mode interface {
 	handleEvent(*UI, tcell.Event) bool
+	notify(wire.Value)
 	draw(*UI)
 }
 
 type roomDisplay struct {
 	width    int
 	height   int
-	position point
+	entities map[int]sim.Entity
 }
 
 func (m *roomDisplay) handleEvent(ui *UI, e tcell.Event) bool {
@@ -38,16 +40,19 @@ func (m *roomDisplay) handleEvent(ui *UI, e tcell.Event) bool {
 	return true
 }
 
+func (m *roomDisplay) notify(v wire.Value) {
+	if e, ok := v.(*sim.Entity); ok {
+		m.entities[e.ID] = *e
+	}
+}
+
 func (m *roomDisplay) move(ui *UI, dx, dy int) {
 	reply, err := ui.client.Send(sim.Move{dx, dy})
 	if err != nil {
 		return
 	}
 	e := reply.Body.(*sim.Entity)
-	m.position.x = e.Position[0]
+	m.entities[e.ID] = *e
-	m.position.y = e.Position[1]
-	// m.position.x = clamp(m.position.x+dx, 0, m.width-1)
-	// m.position.y = clamp(m.position.y+dy, 0, m.height-1)
 }
 
 func (m *roomDisplay) draw(ui *UI) {
@@ -74,6 +79,7 @@ func (m *roomDisplay) draw(ui *UI) {
 		ui.screen.SetContent(offset.x+m.width, y+offset.y, '│', nil, tcell.StyleDefault)
 	}
 
-	// add all characters
+	for _, e := range m.entities {
-	ui.screen.SetContent(m.position.x+offset.x, m.position.y+offset.y, '@', nil, tcell.StyleDefault)
+		ui.screen.SetContent(e.Position[0]+offset.x, e.Position[1]+offset.y, e.Glyph, nil, tcell.StyleDefault)
+	}
 }

internal/ui/ui.go

@@ -40,9 +40,14 @@ func (ui *UI) Run() {
 	}
 	ui.Info("spawned into room %s", welcome.Room)
 
+	entities := make(map[int]sim.Entity, len(welcome.Contents))
+	for _, e := range welcome.Contents {
+		entities[e.ID] = e
+	}
 	ui.mode = &roomDisplay{
 		width:    welcome.Size[0],
 		height:   welcome.Size[1],
+		entities: entities,
 	}
 	ui.Info("running ui")
 	if ui.handleUserInput() {
@@ -97,6 +102,9 @@ func (ui *UI) clearTerminal() {
 func (ui *UI) handleNotifications(c <-chan wire.Response) {
 	for n := range c {
 		ui.Info("ignoring notification: %v", n)
+		ui.mode.notify(n.Body)
+		ui.mode.draw(ui)
+		ui.screen.Show()
 	}
 	ui.Info("notifications channel is closed so we must be done")
 	ui.Info("clearing and finalizing screen from notifications goroutine")