fix: purchased weapons are now active in game

src/main.js

@@ -246,6 +246,28 @@ function aiBuy(player) {
 
 function initPlayers() {
   const playerCount = selectedPlayers;
+  const existingPlayers = players.length === playerCount ? players : [];
+
+  if (existingPlayers.length === playerCount) {
+    for (let i=0; i<playerCount; i++) {
+      const player = existingPlayers[i];
+      player.dead = false;
+      player.x = 0;
+      player.y = 0;
+      player.a = 0;
+      player.p = PLAYER_INITIAL_POWER;
+      player.currentWeapon = 0;
+      player.energy = PLAYER_MAX_ENERGY;
+      player.shield = {type:'springShield', energy:SHIELD_TYPES.springShield.energy};
+      player.parachute = null;
+      player.fallHeight = 0;
+      player.kills = 0;
+      player.deaths = 0;
+      player.shotsFired = 0;
+    }
+    players = existingPlayers;
+  } else {
+    players = [];
     for (let i=0; i<playerCount; i++) {
       const [color, borderColor] = PLAYER_COLORS[i];
       players.push({
@@ -254,7 +276,7 @@ function initPlayers() {
         x:0, y:0, a:0,
         c: color, cb: borderColor,
         p: PLAYER_INITIAL_POWER,
-      tools: PLAYER_STARTING_TOOLS.map(x => ({...x})),
+        tools: [{type: 'parachute', ammo: 0}],
         weapons: PLAYER_STARTING_WEAPONS.map(x => ({...x})),
         currentWeapon: 0,
         energy: PLAYER_MAX_ENERGY,
@@ -269,6 +291,7 @@ function initPlayers() {
         wins: 0,
       });
     }
+  }
 
   players = shuffle(players);