create basic win popup

src/core/execution/WinCheckExecution.ts

@@ -0,0 +1,47 @@
+import {EventBus, GameEvent} from "../EventBus"
+import {Execution, MutableGame, MutablePlayer, Player, PlayerID} from "../Game"
+
+export class WinEvent implements GameEvent {
+    constructor(public readonly winner: Player) { }
+}
+
+export class WinCheckExecution implements Execution {
+
+    private active = true
+
+    private mg: MutableGame
+
+    constructor(private eventBus: EventBus) {
+    }
+
+    init(mg: MutableGame, ticks: number) {
+        this.mg = mg
+    }
+
+    tick(ticks: number) {
+        if (ticks % 10 != 0) {
+            return
+        }
+        const sorted = this.mg.players().sort((a, b) => b.numTilesOwned() - a.numTilesOwned())
+        if (sorted.length == 0) {
+            return
+        }
+        const max = sorted[0]
+        if (max.numTilesOwned() / this.mg.numLandTiles() * 100 > this.mg.config().percentageTilesOwnedToWin()) {
+            this.eventBus.emit(new WinEvent(max))
+            this.active = false
+        }
+    }
+
+    owner(): MutablePlayer {
+        return null
+    }
+
+    isActive(): boolean {
+        return this.active
+    }
+
+    activeDuringSpawnPhase(): boolean {
+        return false
+    }
+}