fix: use SetUserData()

statements/gitHeadLocal.gin

@@ -1,17 +1,17 @@
 \usepackage[%
-        shash={07bcc6a},
-        lhash={07bcc6a6dcf13386e361af1651358678db10fe0a},
+        shash={dd414f6},
+        lhash={dd414f6a8ce9a7c02969b71fa5b83b45a22d6ac4},
         authname={panda2134},
         authemail={ljypanda@live.com},
         authsdate={2021-05-11},
-        authidate={2021-05-11 21:52:42 +0800},
-        authudate={1620741162},
+        authidate={2021-05-11 21:57:21 +0800},
+        authudate={1620741441},
         commname={panda2134},
         commemail={ljypanda@live.com},
         commsdate={2021-05-11},
-        commidate={2021-05-11 21:52:42 +0800},
-        commudate={1620741162},
+        commidate={2021-05-11 21:57:21 +0800},
+        commudate={1620741441},
         refnames={ (HEAD -> master)},
-        firsttagdescribe={278ae407-3-g07bcc6a},
-        reltag={07bcc6a}
+        firsttagdescribe={07bcc6a6-1-gdd414f6},
+        reltag={dd414f6}
     ]{gitexinfo}

world.cpp

@@ -184,8 +184,7 @@ World::World() {
       bodyDef.position.Set(static_cast<float>(players[i]->position().x),
                            static_cast<float>(players[i]->position().y));
       b2players[i] = b2world->CreateBody(&bodyDef);
-      b2players[i]->GetUserData() = 
-        reinterpret_cast<void *>(new b2bodydata{players[i], b2players[i]});
+      b2players[i]->SetUserData(new b2bodydata{players[i], b2players[i]});
       b2CircleShape dynamicBox;
       dynamicBox.m_radius = static_cast<float>(PLAYER_RADIUS);
       b2FixtureDef fixtureDef;
@@ -350,8 +349,7 @@ void thuai::World::addEgg(int index) {
   bodyDef.position.Set(static_cast<float>(eggs[index]->position().x),
                        static_cast<float>(eggs[index]->position().y));
   b2eggs[index] = b2world->CreateBody(&bodyDef);
-  b2eggs[index]->GetUserData() =
-    reinterpret_cast<void *>(new b2bodydata(eggs[index], b2eggs[index]));
+  b2eggs[index]->SetUserData(new b2bodydata(eggs[index], b2eggs[index]));
   b2CircleShape dynamicBox;
   dynamicBox.m_radius = static_cast<float>(EGG_RADIUS);
   b2FixtureDef fixtureDef;