public object finalShuffleInternal(object source, int mode)
{
var sourceObject = (source as IEnumerable <object>);
if (sourceObject == null)
{
throw new NullReferenceException("Object sent to final shuffle is null or not an array.");
}
var resultArray = sourceObject.ToArray();
if (resultArray.Length == 0)
{
return(resultArray);
}
GameRandomHelper.GameRandom mt;
if (context != null && context.Game.Runtime.isProvablyFair)
{
canSetPlayerSeed = false;
var seedSha = String.Concat(playerSeed, serverSeed).ToSha256Bytes();
UInt32 seed = 0;
for (var i = 0; i < 4; i++)
{
seed = (seed * 256) + seedSha[i];
}
mt = GameRandomHelper.GetGameRandom(seed);
}
else
{
mt = GameRandomHelper.GetGameRandom();
}
var count = resultArray.Length - 1;
switch (mode)
{
case 0:
for (int i = 0; i < resultArray.Length; i++)
{
var index = mt.Next(0, count);
var temp = resultArray[index];
resultArray[index] = resultArray[i];
resultArray[i] = temp;
}
break;
case 1:
{
var index = mt.Next(0, count);
resultArray = swapArray(resultArray, index);
}
break;
}
if (context != null && context.Game.Runtime.isProvablyFair)
{
finalShuffleString = resultArray.SerializeJSON().Replace("\r", String.Empty).Replace("\n", String.Empty).Replace("\t", String.Empty);
}
return(resultArray);
}
public object shuffleInternal(object source, int mode)
{
var sourceObject = (source as IEnumerable <object>);
if (sourceObject == null)
{
throw new NullReferenceException("Object sent to shuffle is null or not an array.");
}
var resultArray = sourceObject.ToArray();
if (resultArray.Length == 0)
{
return(resultArray);
}
var count = resultArray.Length - 1;
var mt = GameRandomHelper.GetGameRandom();
var cycles = mt.Next(1, count);
switch (mode)
{
case 0:
for (var j = 0; j < cycles; j++)
{
for (var i = 0; i < resultArray.Length; i++)
{
var index = mt.Next(0, count);
var temp = resultArray[index];
resultArray[index] = resultArray[i];
resultArray[i] = temp;
}
}
break;
case 1:
for (var i = 0; i < cycles; i++)
{
var index = mt.Next(0, count);
resultArray = swapArray(resultArray, index);
}
break;
}
if (context != null && context.Game.Runtime.isProvablyFair)
{
if (!String.IsNullOrEmpty(sessionId) && !String.IsNullOrEmpty(finalShuffleString))
{
secretPacket = new Dictionary <string, object>
{
{ "hash", serverHash },
{ "initialShuffle", initialShuffleString },
{ "finalShuffle", finalShuffleString },
{ "serverSeed", serverSeed },
{ "playerSeed", playerSeed },
};
context.sendSystemInternal(sessionId, SessionMessageTypeEnum.ProvablyFairServerSecret, secretPacket);
}
var buffer = new byte[32];
shuffleRandom.GetNonZeroBytes(buffer);
finalShuffleString = null;
serverSeed = BitConverter.ToString(buffer).Replace("-", String.Empty);
initialShuffleString = resultArray.SerializeJSON().Replace("\r", String.Empty).Replace("\n", String.Empty).Replace("\t", String.Empty);
serverHash = String.Concat(serverSeed, initialShuffleString).ToSha256();
if (!String.IsNullOrEmpty(sessionId))
{
hashPacket = new Dictionary <string, object> {
{ "hash", serverHash }
};
context.sendSystemInternal(sessionId, SessionMessageTypeEnum.ProvablyFairServerHash, hashPacket);
}
canSetPlayerSeed = true;
}
return(resultArray);
}
