random ids i guess, this is bad

internal/sim/player.go

@@ -3,6 +3,7 @@ package sim
 import (
 	"encoding/json"
 	"fmt"
+	"math/rand"
 	"time"
 
 	"github.com/gorilla/websocket"
@@ -137,6 +138,7 @@ func (s spawnPlayer) exec(r *room, p *player, seq int) result {
 		if t.here == nil {
 			x, y := n%r.Width, n/r.Width
 			e := entity{
+				ID:       rand.Intn(9000),
 				Position: math.Vec{x, y},
 				Glyph:    '@',
 				behavior: doNothing{},

internal/sim/world.go

@@ -68,16 +68,30 @@ func (w *world) run(hz int) {
 			w.register(c)
 
 		case req := <-w.inbox:
+			w.handleRequest(req)
+
+		case <-ticker.C:
+			w.tick(time.Since(lastTick))
+			lastTick = time.Now()
+
+		case <-w.done:
+			return
+		}
+	}
+}
+
+func (w *world) handleRequest(req Request) {
 	w.Info("read from inbox: %v", req)
 
 	if req.From == "" {
 		w.Error("request has no from: %v", req)
-				break
+		return
 	}
 
 	p, ok := w.players[req.From]
 	if !ok {
 		w.Error("received non login request of type %T from unknown player %q", req.Wants, req.From)
+		return
 	}
 
 	if p.pending == nil {
@@ -85,15 +99,6 @@ func (w *world) run(hz int) {
 	} else {
 		p.outbox <- wire.ErrorResponse(req.Seq, "you already have a request for this frame")
 	}
-
-		case <-ticker.C:
-			w.tick(time.Since(lastTick))
-			lastTick = time.Now()
-
-		case <-w.done:
-			return
-		}
-	}
 }
 
 func (w *world) register(c connect) {