X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=game.js;h=f244eaa32ef7901c1f5eb484ec3626906408334f;hb=674a3db4a23ee236f08bf3997a1c4fb939e78724;hp=eb78f31ecbe531a38801cbbb9b4a466eb968d8cc;hpb=9029f4547056b096dfb9296d3eb69948f889ba23;p=empires-server

diff --git a/game.js b/game.js
index eb78f31..f244eaa 100644
--- a/game.js
+++ b/game.js
@@ -9,6 +9,7 @@ class Player {
     this.name = name;
     this.connections = [connection];
     this.team = no_team;
+    this.active = true;
   }
 
   add_connection(connection) {
@@ -23,7 +24,7 @@ class Player {
 
   /* Returns the number of remaining connections after this one is removed. */
   remove_connection(connection) {
-    this.connections.filter(c => c !== connection);
+    this.connections = this.connections.filter(c => c !== connection);
     return this.connections.length;
   }
 
@@ -36,17 +37,29 @@ class Player {
     return JSON.stringify({
       id: this.id,
       name: this.name,
-      team: this.team.name
+      team: this.team.name,
+      score: this.score
     });
   }
 }
 
+/* This replacer function allows for JSON.stringify to give results
+ * for objects of various types that are used in game state.
+ */
+function stringify_replacer(key, value) {
+  if (typeof value === 'object' && value instanceof Set) {
+    return [...value];
+  }
+  return value;
+}
+
 /* Base class providing common code for game engine implementations. */
 class Game {
   constructor(id) {
     this.id = id;
     this.players = [];
     this.players_by_session = {};
+    this.active_players = 0;
     this.next_player_id = 1;
     this.teams = [];
     this.state = {
@@ -153,6 +166,15 @@ class Game {
     const existing = this.players_by_session[session.id];
     if (existing) {
       existing.add_connection(connection);
+      if (! existing.active) {
+        /* If we're re-activating a previously idled player, then we
+         * need to alert everyone that this player is now back.
+         */
+        existing.active = true;
+        this.active_players++;
+        const player_data = JSON.stringify({ id: existing.id, name: existing.name });
+        this.broadcast_event("player-enter", player_data);
+      }
       return existing;
     }
 
@@ -180,11 +202,12 @@ class Game {
 
     this.players.push(player);
     this.players_by_session[session.id] = player;
+    this.active_players++;
     this.next_player_id++;
 
     /* After adding the player to the list, and if we are already past
      * the first move, assign this player to the first team that
-     * doesn't already have a player aissgned (if any). */
+     * doesn't already have a player assigned (if any). */
     if (! this.first_move) {
       const have_players = Array(this.teams.length).fill(false);
       this.players.forEach(p => {
@@ -203,9 +226,9 @@ class Game {
   remove_player_connection(player, connection) {
     const remaining = player.remove_connection(connection);
     if (remaining === 0) {
+      player.active = false;
+      this.active_players--;
       const player_data = JSON.stringify({ id: player.id });
-      this.players.filter(p => p !== player);
-      delete this.players_by_session[player.session_id];
       this.broadcast_event("player-exit", player_data);
     }
   }
@@ -224,6 +247,10 @@ class Game {
     this.broadcast_string(`event: ${type}\ndata: ${data}\n`);
   }
 
+  broadcast_event_object(type, obj) {
+    this.broadcast_event(type, JSON.stringify(obj));
+  }
+
   handle_events(request, response) {
     /* These headers will keep the connection open so we can stream events. */
     const headers = {
@@ -251,15 +278,15 @@ class Game {
     /* And the player-info event. */
     response.write(`event: player-info\ndata: ${player.info_json()}\n\n`);
 
-    /* As well as player-enter events for all existing players. */
-    this.players.filter(p => p !== player).forEach(p => {
+    /* As well as player-enter events for all existing, active players. */
+    this.players.filter(p => p !== player && p.active).forEach(p => {
       response.write(`event: player-enter\ndata: ${p.info_json()}\n\n`);
     });
 
     /* Finally, if this game class has a "state" property, stream that
      * current state to the client. */
     if (this.state) {
-      const state_json = JSON.stringify(this.state);
+      const state_json = JSON.stringify(this.state, stringify_replacer);
       response.write(`event: game-state\ndata: ${state_json}\n\n`);
     }
   }