added some kbm stuff

Minecraft.Client/LocalPlayer.cpp

@@ -282,7 +282,13 @@ void LocalPlayer::aiStep()
 	// 4J - altered this slightly to make sure that the joypad returns to below returnTreshold in between registering two movements up to runThreshold
 	if (onGround && !isSprinting() && enoughFoodToSprint && !isUsingItem() && !hasEffect(MobEffect::blindness))
 	{
-		if( !wasRunning && input->ya >= runTreshold )
+		if (input->sprinting && input->ya >= runTreshold)
+		{
+			setSprinting(true);
+			sprintTriggerTime = 0;
+			sprintTriggerRegisteredReturn = false;
+		}
+		else if( !wasRunning && input->ya >= runTreshold )
 		{
 			if (sprintTriggerTime == 0)
 			{