Merge branch 'main' of github.com:quentinrsl/traque

traque-back/game.js

@@ -1,3 +1,5 @@
+import { isInCircle } from "./map_utils.js";
+
 const GameState = {
     SETUP: "setup",
     PLACEMENT: "placement",
@@ -15,6 +17,10 @@ export default class Game {
         if(Object.values(GameState).indexOf(newState) == -1) {
             return false;
         }
+        //The game has started
+        if(this.state == GameState.PLACEMENT && newState == GameState.PLAYING) {
+            this.initLastSentLocations();
+        }
         this.state = newState;
         return true;
     }
@@ -43,7 +49,8 @@ export default class Game {
             enemyLocation: null,
             captureCode: this.createCaptureCode(),
             sockets: [],
-            startingArea: null
+            startingArea: null,
+            ready: false,
         });
         this.updateTeamChasing();
         return true;
@@ -80,17 +87,8 @@ export default class Game {
                 return t;
             }
         })
-        console.log(this.teams)
         return true;
     }
-    // renameTeam(teamId, newName) {
-    //     let team = this.getTeam(teamId);
-    //     if(team == undefined) {
-    //         return false;
-    //     }
-    //     team.name = newName;
-    //     return true;
-    // }
     
     updateLocation(teamId, location) {
         let team = this.getTeam(teamId);
@@ -98,9 +96,21 @@ export default class Game {
             return false;
         }
         team.currentLocation = location;
+        //Update the team ready status if they are in their starting area
+        if(this.state == GameState.PLACEMENT && team.startingArea && team.startingArea && location) {
+            team.ready = isInCircle(location, [team.startingArea.center.lat, team.startingArea.center.lng], team.startingArea.radius)
+        }
         return true;
     }
 
+    //Make it so that when a team requests the location of a team that has never sent their locaiton
+    //Their position at the begining of the game is sent
+    initLastSentLocations() {
+        for(let team of this.teams) {
+            team.lastSentLocation = team.currentLocation;
+        }
+    }
+
     sendLocation(teamId) {
         let team = this.getTeam(teamId);
         if(team == undefined) {

traque-back/index.js

@@ -51,6 +51,12 @@ function playersBroadcast(event,data) {
   }
 }
 
+function logoutPlayer(id) {
+  for (let team of game.teams) {
+    team.sockets = team.sockets.filter((sid) => sid != id);
+  }
+}
+
 
 
 const game = new Game();
@@ -70,6 +76,10 @@ io.of("admin").on("connection", (socket) => {
     loggedInSockets = loggedInSockets.filter(s => s !== socket.id);
   });
 
+  socket.on("logout", () => {
+    loggedInSockets = loggedInSockets.filter(s => s !== socket.id);
+  })
+
   //User is attempting to log in
   socket.on("login", (password) => {
     if (password === ADMIN_PASSWORD && !loggedIn) {
@@ -173,7 +183,8 @@ function sendUpdatedTeamInformations(teamId) {
       currentLocation: team.currentLocation,
       lastSentLocation: team.lastSentLocation,
       captureCode: team.captureCode,
-      startingArea: team.startingArea
+      startingArea: team.startingArea,
+      ready: team.ready
     })
   })
 }
@@ -184,9 +195,7 @@ io.of("player").on("connection", (socket) => {
 
   socket.on("disconnect", () => {
     console.log("user disconnected");
-    if(teamId !== null && game.getTeam(teamId) !== undefined){
+    logoutPlayer(socket.id)
-      game.getTeam(teamId).sockets = game.getTeam(teamId).sockets.filter(s => s !== socket.id);
-    }
   });
 
   socket.on("login", (loginTeamId) => {
@@ -194,14 +203,19 @@ io.of("player").on("connection", (socket) => {
       socket.emit("login_response", false);
       return;
     }
+    logoutPlayer(socket.id)
     teamId = loginTeamId;
     let team = game.getTeam(loginTeamId);
     team.sockets.push(socket.id);
-    socket.emit("login_response", true);
     sendUpdatedTeamInformations(loginTeamId);
+    socket.emit("login_response", true);
     socket.emit("game_state", game.state)
   });
 
+  socket.on("logout", () => {
+    logoutPlayer(socket.id);
+  })
+
   socket.on("update_position", (position) => {
     // Only the first player to connect to the team socket can update the current position
     // This is done to prevent multiple clients from sending slightly different prosition back and forth
@@ -210,9 +224,10 @@ io.of("player").on("connection", (socket) => {
       socket.emit("error", "not logged in yet");
       return;
     }
-    if(game.getTeam(teamId).sockets.indexOf(socket.id) == 0) {
+    let team = game.getTeam(teamId)
+    if (team.sockets.indexOf(socket.id) == 0) {
       game.updateLocation(teamId, position);
-      teamBroadcast(teamId, "update_team", {currentLocation: position});
+      teamBroadcast(teamId, "update_team", { currentLocation: team.currentLocation, ready: team.ready });
     }
   });
 

traque-back/map_utils.js

@@ -0,0 +1,21 @@
+function getDistanceFromLatLon([lat1, lon1], [lat2, lon2]) {
+  var R = 6371; // Radius of the earth in km
+  var dLat = deg2rad(lat2-lat1);  // deg2rad below
+  var dLon = deg2rad(lon2-lon1); 
+  var a = 
+    Math.sin(dLat/2) * Math.sin(dLat/2) +
+    Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) * 
+    Math.sin(dLon/2) * Math.sin(dLon/2)
+    ; 
+  var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1-a)); 
+  var d = R * c; // Distance in km
+  return d * 1000;
+}
+
+function deg2rad(deg) {
+  return deg * (Math.PI/180)
+}
+
+export function isInCircle(position, center, radius) {
+    return getDistanceFromLatLon(position, center) < radius;
+}