Compatibility fix to cv981 new speed law.

* Also a minor fix to setting client version.

src/otclient/creature.cpp

@@ -672,9 +672,11 @@ Point Creature::getDrawOffset()
 
 int Creature::getStepDuration()
 {
-    int speed = m_speed * 2;
-    int groundSpeed = 0;
+    int speed = m_speed;
+    if(g_game.getFeature(Otc::GameNewSpeedLaw))
+        speed *= 2;
 
+    int groundSpeed = 0;
     Position tilePos = m_lastStepToPosition;
     if(!tilePos.isValid())
         tilePos = m_position;

src/otclient/game.cpp

@@ -40,6 +40,7 @@ Game::Game()
 {
     resetGameStates();
     m_protocolVersion = 0;
+    m_clientVersion = 0;
 }
 
 void Game::terminate()
@@ -1265,7 +1266,7 @@ void Game::setClientVersion(int version)
     if(isOnline())
         stdext::throw_exception("Unable to change client version while online");
 
-    if(version != 0 && (version < 981 || version > 981))
+    if(version != 0 && (version < 810 || version > 981))
         stdext::throw_exception(stdext::format("Client version %d not supported", version));
 
     m_clientVersion = version;