Filter anormal positions and add position with scan

mobile/traque-app/app/(game)/play.jsx

@@ -15,6 +15,7 @@ import { GameZone, StartZone } from '@/components/game/MapLayers';
 // Contexts
 import { useTeam } from '@/contexts/teamContext';
 // Hooks
+import { useLocation } from '@/hooks/useLocation';
 import { useUserState } from '@/hooks/useUserState';
 // Services
 import { emitSendPosition } from '@/services/socket/emitters';
@@ -25,6 +26,7 @@ const Play = () => {
     const { t } = useTranslation();
     const { teamInfos, nextZoneDate } = useTeam();
     const { locationSendDeadline, hasHandicap, enemyLocation, lastSentLocation } = teamInfos;
+    const { location } = useLocation();
     const userState = useUserState();
     const [bottomContainerHeight, setBottomContainerHeight] = useState(0);
 
@@ -40,7 +42,7 @@ const Play = () => {
                 </View>
             </Show>
             <View style={styles.mapContainer} onLayout={(event) => setBottomContainerHeight(event.nativeEvent.layout.height)}>
-                <Map>
+                <Map location={location}>
                     <Show when={userState == USER_STATE.PLACEMENT}>
                         <StartZone/>
                     </Show>
@@ -54,7 +56,7 @@ const Play = () => {
                 </Map>
                 <LinearGradient colors={['rgba(0,0,0,0.3)', 'rgba(0,0,0,0)']} style={styles.gradient}/>
                 <Show when={userState == USER_STATE.PLAYING && !hasHandicap}>
-                    <IconButton style={styles.updatePosition} source={require("@/assets/images/update_position.png")} onPress={emitSendPosition} />
+                    <IconButton style={styles.updatePosition} source={require("@/assets/images/update_position.png")} onPress={() => location && emitSendPosition(location)} />
                 </Show>
                 <Toasts/>
             </View>

mobile/traque-app/package.json

@@ -13,7 +13,6 @@
     "@react-native-async-storage/async-storage": "1.23.1",
     "@react-navigation/native": "^7.0.14",
     "@react-navigation/stack": "^7.1.1",
-    "axxios": "^0.1.0",
     "babel-plugin-module-resolver": "^5.0.2",
     "expo": "~52.0.46",
     "expo-build-properties": "~0.13.3",

mobile/traque-app/src/components/common/Map.jsx

@@ -6,13 +6,10 @@ import MapView from 'react-native-maps';
 import { PositionMarker } from '@/components/common/Layers';
 import { IconButton } from '@/components/common/IconButton';
 import { Show } from '@/components/common/Show';
-// Hook
-import { useLocation } from '@/hooks/useLocation';
 // Util
 import { INITIAL_REGIONS } from '@/constants';
 
-export const Map = ({ children }) => {
+export const Map = ({ location, children }) => {
-    const { location } = useLocation();
     const [centerMap, setCenterMap] = useState(true);
     const mapRef = useRef(null);
 

mobile/traque-app/src/services/socket/emitters.js

@@ -35,8 +35,8 @@ export const emitLogout = () => {
     return customEmit("logout");
 };
 
-export const emitSendPosition = () => {
+export const emitSendPosition = (location) => {
-    return customEmit("send_position");
+    return customEmit("send_position", location);
 };
 
 export const emitUpdatePosition = (location) => {

server/traque-back/game.js

@@ -402,9 +402,12 @@ export default {
         const team = this.getTeam(teamId);
         const enemyTeam = this.getTeam(team.chasing);
         const dateNow = Date.now();
-        // Update distance
+        // Verify coherence of the new location and update the distance
         if (this.state == GameState.PLAYING && team.currentLocation) {
-            team.distance += Math.floor(getDistanceFromLatLon({lat: location[0], lng: location[1]}, {lat: team.currentLocation[0], lng: team.currentLocation[1]}));
+            const traveledDistance = Math.floor(getDistanceFromLatLon({lat: location[0], lng: location[1]}, {lat: team.currentLocation[0], lng: team.currentLocation[1]}));
+            const timeSinceLastCurrentLocation = (dateNow - team.lastCurrentLocationDate) / 1000;
+            if (traveledDistance / timeSinceLastCurrentLocation > 8) return false; // Reject the location if it implies a speed > 8m/s (28km/h)
+            team.distance += traveledDistance;
         }
         // Update of currentLocation
         team.currentLocation = location;

server/traque-back/team_socket.js

@@ -116,8 +116,9 @@ export function initTeamSocket() {
             }
         });
 
-        socket.on("send_position", () => {
+        socket.on("send_position", (position) => {
             if (!teamId) return;
+            game.updateLocation(teamId, position);
             game.sendLocation(teamId);
         });