From 24dafcda476947477f7f0ec8926d1025bbc78021 Mon Sep 17 00:00:00 2001
From: Quentin Roussel <quentin.roussel11@gmail.com>
Date: Fri, 29 Mar 2024 10:42:21 +0000
Subject: [PATCH] placement phase ready computation

---
 traque-back/game.js      | 20 ++++++++++----------
 traque-back/index.js     |  8 +++++---
 traque-back/map_utils.js | 21 +++++++++++++++++++++
 3 files changed, 36 insertions(+), 13 deletions(-)
 create mode 100644 traque-back/map_utils.js

diff --git a/traque-back/game.js b/traque-back/game.js
index bfd6c59..be623be 100644
--- a/traque-back/game.js
+++ b/traque-back/game.js
@@ -1,3 +1,5 @@
+import { isInCircle } from "./map_utils.js";
+
 const GameState = {
     SETUP: "setup",
     PLACEMENT: "placement",
@@ -43,7 +45,8 @@ export default class Game {
             enemyLocation: null,
             captureCode: this.createCaptureCode(),
             sockets: [],
-            startingArea: null
+            startingArea: null,
+            ready: false,
         });
         this.updateTeamChasing();
         return true;
@@ -83,21 +86,18 @@ export default class Game {
         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);
         if(team == undefined) {
             return false;
         }
         team.currentLocation = location;
+        //Update the team ready status if they are in their starting area
+        console.log(location, team.startingArea.center)
+        if(this.state == GameState.PLACEMENT && team.startingArea) {
+            team.ready = isInCircle(location, [team.startingArea.center.lat, team.startingArea.center.lng], team.startingArea.radius)
+        }
         return true;
     }
 
diff --git a/traque-back/index.js b/traque-back/index.js
index ae73fba..5bd5763 100644
--- a/traque-back/index.js
+++ b/traque-back/index.js
@@ -173,7 +173,8 @@ function sendUpdatedTeamInformations(teamId) {
       currentLocation: team.currentLocation,
       lastSentLocation: team.lastSentLocation,
       captureCode: team.captureCode,
-      startingArea: team.startingArea
+      startingArea: team.startingArea,
+      ready: team.ready
     })
   })
 }
@@ -210,9 +211,10 @@ 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 });
     }
   });
   
diff --git a/traque-back/map_utils.js b/traque-back/map_utils.js
new file mode 100644
index 0000000..646cfb3
--- /dev/null
+++ b/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;
+}
\ No newline at end of file