public static void DeserializeGivenChangeMask(
BinaryReader reader, NetworkedComponentTypeInfo networkedComponentTypeInfo,
object oldValue, uint changeMask
)
{
byte changeMaskBitIndex = 0;
foreach (var field in networkedComponentTypeInfo.ThingsToSynchronize)
{
if (BitUtilities.GetBit(changeMask, changeMaskBitIndex))
{
if (field.FieldInfo != null)
{
var newFieldValue = Deserialize(
reader, field.FieldInfo.FieldType,
field.IsNullableIfReferenceType, field.AreElementsNullableIfReferenceType
);
field.FieldInfo.SetValue(oldValue, newFieldValue);
}
else if (field.PropertyInfo != null)
{
var newFieldValue = Deserialize(
reader, field.PropertyInfo.PropertyType,
field.IsNullableIfReferenceType, field.AreElementsNullableIfReferenceType
);
field.PropertyInfo.SetValue(oldValue, newFieldValue);
}
}
changeMaskBitIndex++;
}
}
public void TestUint128(string aStr, string bStr, byte expected)
{
UInt128 a = new UInt128(BigInteger.Parse(aStr));
UInt128 b = new UInt128(BigInteger.Parse(bStr));
BitUtilities.FindCommonPrefixSize(a, b).Should().Be(expected);
}
private void LogReceivedStateDelta(NetworkedGameState networkedGameState)
{
OsFps.Logger.Log(networkedGameState.SequenceNumber);
for (var i = 0; i < networkedGameState.NetworkedComponentTypeInfos.Count; i++)
{
var networkedComponentTypeInfo = networkedGameState.NetworkedComponentTypeInfos[i];
var networkedComponentInfos = networkedGameState.NetworkedComponentInfoLists[i];
foreach (var componentInfo in networkedComponentInfos)
{
var synchronizedFieldNames = BitUtilities.GetSetBitIndices(componentInfo.ChangeMask)
.Select(bitIndex =>
{
if (bitIndex >= networkedComponentTypeInfo.ThingsToSynchronize.Count)
{
return(null);
}
var thingToSynchronize = networkedComponentTypeInfo.ThingsToSynchronize[bitIndex];
var thingName = (thingToSynchronize.FieldInfo != null)
? thingToSynchronize.FieldInfo.Name
: thingToSynchronize.PropertyInfo.Name;
return(thingName);
})
.Where(x => x != null)
.ToArray();
OsFps.Logger.Log(networkedComponentTypeInfo.StateType.Name + ": " + Convert.ToString(componentInfo.ChangeMask, 2) + " | " + string.Join(", ", synchronizedFieldNames));
}
}
}
/// <summary>
/// Get the opcode.
/// </summary>
/// <param name="inputBits">instruction bits</param>
/// <returns>Operation</returns>
public Operation DecodeOpcode(int inputBits)
{
// Get mask for opcode + InstructionID
opcode = inputBits & BitUtilities.CreateBitMask(opcodeStartBit, 15);
switch (opcode)
{
case (int)opcodeIdentificationHexLiterals.hexADD:
return(new ADDoperation());
case (int)opcodeIdentificationHexLiterals.hexADC:
return(new ADCoperation());
case (int)opcodeIdentificationHexLiterals.hexSUB:
return(new SUBoperation());
case (int)opcodeIdentificationHexLiterals.hexMUL:
return(new MULoperation());
case (int)opcodeIdentificationHexLiterals.hexDIV:
return(new DIVoperation());
case (int)opcodeIdentificationHexLiterals.hexMOD:
return(new MODoperation());
case (int)opcodeIdentificationHexLiterals.hexAND:
return(new ANDoperation());
case (int)opcodeIdentificationHexLiterals.hexOR:
return(new ORoperation());
case (int)opcodeIdentificationHexLiterals.hexNOT:
return(new NOToperation());
case (int)opcodeIdentificationHexLiterals.hexNAND:
return(new NANDoperation());
case (int)opcodeIdentificationHexLiterals.hexJMP:
return(new JMPoperation());
case (int)opcodeIdentificationHexLiterals.hexJC:
return(new JCoperation());
case (int)opcodeIdentificationHexLiterals.hexCMP:
return(new CMPoperation());
case (int)opcodeIdentificationHexLiterals.hexNOP:
return(new NOPoperation());
case (int)opcodeIdentificationHexLiterals.hexLOAD:
return(new LOADoperation());
case (int)opcodeIdentificationHexLiterals.hexSTOR:
return(new STORoperation());
default:
throw new System.Exception("Invalid Opcode.");
}
}
#pragma warning disable CS0618
public IpAddressV4(IPAddress address) : this(BitUtilities.Reverse((uint)address.Address))
#pragma warning restore CS0618
{
if (address.AddressFamily != AddressFamily.InterNetwork)
{
throw new ArgumentException();
}
}
private IpAddressV6(byte[] address)
: this(BitUtilities.Reverse(BitConverter.ToUInt64(address, 0)), BitUtilities.Reverse(BitConverter.ToUInt64(address, 8)))
{
if (address.Length != 16)
{
throw new ArgumentException();
}
}
/// <summary>
/// Decode the second operand of this instruction by maskign it and
/// 1)deteriming its value
/// 2)assigning it a textual meaning.
/// </summary>
/// <param name="inputBits"></param>
private void DecodeSecondOperand(int inputBits)
{
operandTwoValue = BitUtilities.MaskInput(inputBits, operandTwoStartBit, operandTwoEndBit);
if (operandTwoValue < 0 || operandTwoValue > 15) //used to check if valid register
{
operandTwoMeaning = $"OP2: Ya messed* up";
}
operandTwoMeaning = $"r{operandTwoValue}";
}
public virtual void WritePort(byte port, byte data)
{
if (BitUtilities.IsBitSet(data, 7))
{
/* LATCH/DATA byte; get channel (0-3) and type (0 is tone/noise, 1 is volume) */
latchedChannel = (byte)((data >> 5) & 0x03);
latchedType = (byte)((data >> 4) & 0x01);
/* Mask off non-data bits */
data &= 0x0F;
/* If target is channel 3 noise (3 bits), mask off highest bit */
if (latchedChannel == 3 && latchedType == 0)
{
data &= 0x07;
}
/* Write to register */
if (latchedType == 0)
{
/* Data is tone/noise */
toneRegisters[latchedChannel] = (ushort)((toneRegisters[latchedChannel] & 0x03F0) | data);
}
else
{
/* Data is volume */
volumeRegisters[latchedChannel] = data;
}
}
else
{
/* DATA byte; mask off non-data bits */
data &= 0x3F;
/* Write to register */
if (latchedType == 0)
{
/* Data is tone/noise */
if (latchedChannel == 3)
{
/* Target is channel 3 noise, mask off excess bits and write to low bits of register */
toneRegisters[latchedChannel] = (ushort)(data & 0x07);
}
else
{
/* Target is not channel 3 noise, write to high bits of register */
toneRegisters[latchedChannel] = (ushort)((toneRegisters[latchedChannel] & 0x000F) | (data << 4));
}
}
else
{
/* Data is volume; mask off excess bits and write to low bits of register */
volumeRegisters[latchedChannel] = (ushort)(data & 0x0F);
}
}
}
public void CurrentUlong()
{
ulong expected = 0x8765432155648934;
ulong val = 0x3489645521436587;
ulong res = BitUtilities.Reverse(val);
if (res != expected)
{
throw new ArgumentException();
}
}
public void CurrentUint()
{
uint expected = 0x21436587;
uint val = 0x87654321;
uint res = BitUtilities.Reverse(val);
if (res != expected)
{
throw new ArgumentException();
}
}
/// <summary>
/// Decode value of the immediateSwitch
/// </summary>
/// <param name="inputBits">our instruction</param>
private void DecodeImmediateSwitch(int inputBits)
{
immediateSwitchValue = BitUtilities.MaskInput(inputBits, immediateSwitchStartBit, immediateSwitchEndBit);
if (immediateSwitchValue == (int)ImmediateSwitchEnum.register)
{
immediateSwitchMeaning = "Register";
}
else
{
immediateSwitchMeaning = "Immediate";
}
}
private void DecodeFirstOperand(int inputBits)
{
operandOneValue = inputBits & BitUtilities.CreateBitMask(operandOneStartBit, operandOneEndBit);
if (operandOneValue < 0 || operandOneValue > 15)
{
operandTwoMeaning = $"OP1: Ya fucke* up";
}
else
{
operandOneMeaning = $"r{operandOneValue}";
}
}
/// <summary>
/// Decode the first operand of this instruction by masking it and
/// 1) Determining its value
/// 2) Assigning it a textual meaning. (FIX THIS)
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeFirstOperand(int inputBits)
{
operandOneValue = BitUtilities.MaskInput(inputBits, operandOneStartBit, operandOneEndBit);
if (operandOneValue < 0 || operandOneValue > 15)
{ //used to check if valid register
operandOneMeaning = $"OP1: Ya messed up";
}
else
{
operandOneMeaning = $"r{operandOneValue}";
}
}
/// <summary>
/// Decode the first operand of this instruction by masking it and
/// 1) Determining its value
/// 2) Assigning it a textual meaning. (FIX THIS)
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeFirstOperand(int inputBits)
{
operandOneValue = BitUtilities.MaskInput(inputBits, operandOneStartBit, operandOneEndBit);
if (operandOneValue < 0 || operandOneValue > 15)
{
operandTwoMeaning = $"OP1: Ya messed* up";
}
else
{
operandOneMeaning = $"r{operandOneValue}";
}
}
/// <summary>
/// Decodes the valuie at the negative bit.
/// </summary>
/// <param name="inputBits">bits to be used.</param>
private void DecodeNegativeBit(int inputBits)
{
negativeBitValue = BitUtilities.MaskInput(inputBits, negativeBit, negativeBit); // Get value from negative bit.
if (negativeBitValue == 0)
{
negativeBitMeaning = "+";
}
else
{
negativeBitMeaning = "-";
}
}
/// <summary>
/// Decode value of the immediateSwitch
/// </summary>
/// <param name="inputBits">our instruction</param>
private void DecodeImmediateSwitch(int inputBits)
{
immediateSwitchValue = BitUtilities.MaskInput(inputBits, immediateSwitchStartBit, immediateSwitchEndBit);
if (immediateSwitchValue == 0) // if using register, this is an indirect index reference
{
addressingModeMeaning = "an Indexed Indirect Register";
}
else
{
addressingModeMeaning = "a direct address.";
}
}
private uint ConstructMask(int denominator)
{
MaskBits = BitUtilities.GetNumberBitsToRepresent(denominator);
uint retMask = 0;
for (int i = 0; i < MaskBits; i++)
{
retMask |= 1;
retMask <<= 1;
}
return(retMask >> 1);
}
private void DecodeBlock(BitReader readerIn)
{
int numCodedSymbols = readerIn.ReadInt(23);
//Change to use stack only if the output stream is non-seekable
//If it is seekable, then simply write the number of bytes that will be put into the stream
//Then seek backward, writing them one by one
Stack <int> symbolsStack = new Stack <int>();
AnsCodingTable decodeTable = AnsCodingTable.ReadTable(readerIn, EncryptionKey);
int bitCapacity = BitUtilities.GetNumberBitsToRepresent(decodeTable.Denominator);
AnsState internalsState = new AnsState(bitCapacity, null, 0);
internalsState.Underlying = readerIn.ReadUint(bitCapacity);
KeyValuePair <int, int> symbolRow;
for (int i = 0; i < numCodedSymbols; i++)
{
symbolRow = decodeTable.DecodePoint(internalsState.ToInt());
symbolsStack.Push(symbolRow.Key);
internalsState.Underlying = (uint)symbolRow.Value;
int bitsToRead = bitCapacity - internalsState.Contained;
for (int j = 0; j < bitsToRead; j++)
{
internalsState.PushLower(readerIn.ReadBit());
}
}
//Decoding finished...
BitWriter symbolWriter = new BitWriter(Output);
byte numBitsToWrite;
if (decodeTable.SymbolType == typeof(byte))
{
numBitsToWrite = 8;
}
else if (decodeTable.SymbolType == typeof(short))
{
numBitsToWrite = 16;
}
else
{
numBitsToWrite = 32;
}
while (symbolsStack.Count != 0)
{
int symbol = symbolsStack.Pop();
symbolWriter.WriteLong(symbol, numBitsToWrite);
}
}
public IpAddressNetworkV6(IPAddress address, byte mask)
{
if (address.AddressFamily != AddressFamily.InterNetworkV6)
{
throw new ArgumentException();
}
byte[] bytes = address.GetAddressBytes();
ulong high = BitUtilities.Reverse(BitConverter.ToUInt64(bytes, 0));
ulong low = BitUtilities.Reverse(BitConverter.ToUInt64(bytes, 8));
_networkAddress = new IpAddressV6(high, low);
_mask = mask;
TruncateNetworkAddress(ref _networkAddress);
}
/// <summary>
/// Decode the first operand of this instruction by masking it and
/// 1) Determining its value
/// 2) Assigning it a textual meaning. (FIX THIS)
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeFirstOperand(int inputBits)
{
if (immediateSwitchValue == (int)ImmediateSwitchEnum.immediate) // This is an immediate value.
{
operandOneValue = BitUtilities.MaskInput(inputBits, immediateOperandStartBit, operandOneEndBit);
operandOneMeaning = $"{operandOneValue}";
}
else // this is a register value
{
operandOneValue = BitUtilities.MaskInput(inputBits, operandOneStartBit, operandOneEndBit); // mask it
if (operandOneValue < 0 || operandOneValue > 15) // is it one of our general registers?
{
throw new System.Exception("Bad Operand One!"); // if not, BAD
}
operandOneMeaning = $"r{operandOneValue}";
}
}
private void DecodeSecondOperand(int inputBits)
{
operandTwoValue = inputBits & BitUtilities.CreateBitMask(operandTwoStartBit, operandTwoEndBit);
// Immediate or Register?
if (immediateSwitchValue == 0) // if register
{
if (operandTwoValue < 0 || operandTwoValue > 15)
{
operandTwoMeaning = $"OP2: Ya fucke* up";
}
operandTwoMeaning = $"r{operandTwoValue}";
}
else // else is an immediate
{
operandTwoMeaning = $"#{operandTwoValue}";
}
}
/// <summary>
/// decode the second operand and get its value and meaning
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeSecondOperand(int inputBits)
{
// Immediate or Register?
if (immediateSwitchValue == (int)ImmediateSwitchEnum.immediate) // This is an immediate value.
{
operandTwoValue = BitUtilities.MaskInput(inputBits, immediateOperandStartBit, operandTwoEndBit);
operandTwoMeaning = $"#{operandTwoValue}";
}
else
{
operandTwoValue = BitUtilities.MaskInput(inputBits, operandTwoStartBit, operandTwoEndBit);
if (operandTwoValue < 0 || operandTwoValue > 15)
{
operandTwoMeaning = $"OP2: Ya messed up";
}
operandTwoMeaning = $"r{operandTwoValue}";
}
}
/// <summary>
/// used to decode the second operand and get its meaning and value
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeSecondOperand(int inputBits)
{
operandTwoValue = BitUtilities.MaskInput(inputBits, operandTwoStartBit, operandTwoEndBit);
// Immediate or Register?
if (immediateSwitchValue == 0) // if register
{
if (operandTwoValue < 0 || operandTwoValue > 15)
{ //used to check if valid register
operandTwoMeaning = $"OP2: Ya messed up";
}
operandTwoMeaning = $"r{operandTwoValue}";
}
else // else is an immediate
{
operandTwoMeaning = $"#{operandTwoValue}";
}
}
/// <summary>
/// Decodes the conditional that we look for with this statement.
/// </summary>
/// <param name="inputBits">instruction bits</param>
private void DecodeConditionalValue(int inputBits)
{
conditionalValue = BitUtilities.MaskInput(inputBits, conditionalStartBit, conditionalEndBit);
switch (conditionalValue)
{
case 0: conditionalMeaning = "Equal to"; break;
case 1: conditionalMeaning = "Not Equal to"; break;
case 2: conditionalMeaning = "greater than"; break;
case 3: conditionalMeaning = "less than"; break;
case 4: conditionalMeaning = "above or equal to"; break;
case 5: conditionalMeaning = "Below or equal to"; break;
default: throw new System.Exception("Invalid Conditional!");
}
}
public static uint GetChangeMask(
NetworkedComponentTypeInfo networkedComponentTypeInfo, object newValue, object oldValue
)
{
Assert.IsTrue(networkedComponentTypeInfo.ThingsToSynchronize.Count <= (8 * sizeof(uint)));
if (oldValue == null)
{
return(uint.MaxValue);
}
uint changeMask = 0;
uint changeMaskBitIndex = 0;
foreach (var field in networkedComponentTypeInfo.ThingsToSynchronize)
{
object oldFieldValue, newFieldValue;
if (field.FieldInfo != null)
{
oldFieldValue = field.FieldInfo.GetValue(oldValue);
newFieldValue = field.FieldInfo.GetValue(newValue);
}
else if (field.PropertyInfo != null)
{
oldFieldValue = field.PropertyInfo.GetValue(oldValue);
newFieldValue = field.PropertyInfo.GetValue(newValue);
}
else
{
throw new Exception("Invalid field to synchronize.");
}
BitUtilities.SetBit(ref changeMask, (byte)changeMaskBitIndex, !object.Equals(newFieldValue, oldFieldValue));
changeMaskBitIndex++;
}
return(changeMask);
}
public static IpAddressNetworkV6 MakeSupernet(IEnumerable <IpAddressNetworkV6> others)
{
bool hadAny = false;
byte shortestMask = 128;
UInt128 final = UInt128.MaxValue;
foreach (IpAddressNetworkV6 other in others)
{
final &= other._networkAddress.Address;
byte lowestCommon = BitUtilities.FindCommonPrefixSize(final, other._networkAddress.Address);
shortestMask = Math.Min(shortestMask, lowestCommon);
hadAny = true;
}
if (!hadAny)
{
throw new ArgumentException("Input was empty", nameof(others));
}
return(new IpAddressNetworkV6(new IpAddressV6(final), shortestMask));
}
public static IpAddressNetworkV4 MakeSupernet(IEnumerable <IpAddressNetworkV4> others)
{
byte shortestMask = 32;
bool hadAny = false;
uint final = uint.MaxValue;
foreach (IpAddressNetworkV4 range in others)
{
final &= range._networkAddress.Address;
byte lowestCommon = BitUtilities.FindCommonPrefixSize(final, range._networkAddress.Address);
shortestMask = Math.Min(shortestMask, lowestCommon);
hadAny = true;
}
if (!hadAny)
{
throw new ArgumentException("Input was empty", nameof(others));
}
return(new IpAddressNetworkV4(final, shortestMask));
}
public static void SerializeGivenChangeMask(
BinaryWriter writer, NetworkedComponentTypeInfo networkedComponentTypeInfo,
object value, uint changeMask
)
{
uint changeMaskBitIndex = 0;
foreach (var field in networkedComponentTypeInfo.ThingsToSynchronize)
{
if (BitUtilities.GetBit(changeMask, (byte)changeMaskBitIndex))
{
object fieldValue;
Type fieldType;
if (field.FieldInfo != null)
{
fieldValue = field.FieldInfo.GetValue(value);
fieldType = field.FieldInfo.FieldType;
}
else if (field.PropertyInfo != null)
{
fieldValue = field.PropertyInfo.GetValue(value);
fieldType = field.PropertyInfo.PropertyType;
}
else
{
throw new Exception("Invalid field to synchronize.");
}
SerializeObject(
writer, fieldValue, fieldType,
field.IsNullableIfReferenceType, field.AreElementsNullableIfReferenceType
);
}
changeMaskBitIndex++;
}
}
public CodingTableStreamer(Dictionary <int, Fraction> frequencyDictionary)
{
int largestNumberBitsSymbol = 0,
largestNumberBitsFrequency = 0;
foreach (KeyValuePair <int, Fraction> pair in frequencyDictionary)
{
int numBitsSymbol = BitUtilities.GetNumberBitsToRepresent(pair.Key);
int numBitsFrequency = BitUtilities.GetNumberBitsToRepresent(pair.Value.Numerator);
if (numBitsSymbol > largestNumberBitsSymbol)
{
largestNumberBitsSymbol = numBitsSymbol;
}
if (numBitsFrequency > largestNumberBitsFrequency)
{
largestNumberBitsFrequency = numBitsFrequency;
}
NumFrequencies++;
}
LargestSymbolBits = largestNumberBitsSymbol;
CalculateType();
LargestFrequencyBits = largestNumberBitsFrequency;
FreqDict = frequencyDictionary;
}
/// <summary>
/// Decode value of the immediateSwitch
/// </summary>
/// <param name="inputBits">our instruction</param>
private void DecodeImmediateSwitch(int inputBits)
{
immediateSwitchValue = BitUtilities.MaskInput(inputBits, immediateSwitchStartBit, immediateSwitchEndBit);
}