/// <summary>
/// Writes BND0 data to a BinaryWriterEx.
/// </summary>
protected override void Write(BinaryWriterEx bw)
{
bw.BigEndian = false;
bw.WriteASCII("BND\0");
if (Lite)
{
bw.ReserveInt32("FileSize");
bw.WriteInt32(Files.Count);
bw.WriteInt32(0);
}
else
{
bw.WriteInt32(0xF7FF);
bw.WriteInt32(0xD3);
bw.ReserveInt32("FileSize");
bw.WriteInt32(Files.Count);
bw.WriteInt32(0);
bw.WriteByte(Flag1);
bw.WriteByte(Flag2);
bw.WriteByte(3);
bw.WriteByte(0);
bw.WriteInt32(0);
bw.WriteInt32(0);
}
for (int i = 0; i < Files.Count; i++)
{
Files[i].Write(bw, Lite, i);
}
for (int i = 0; i < Files.Count; i++)
{
File file = Files[i];
bw.Pad(0x20);
bw.FillInt32($"FileOffset{i}", (int)bw.Position);
if (Lite)
{
bw.WriteInt32(file.Bytes.Length + 4);
bw.WriteBytes(file.Bytes);
}
else
{
bw.WriteBytes(file.Bytes);
}
}
bw.FillInt32("FileSize", (int)bw.Position);
}
internal void WriteValue(BinaryWriterEx bw, object value)
{
switch (Type)
{
case ParamType.aob: bw.WriteBytes((byte[])value); break;
case ParamType.b: bw.WriteBoolean((bool)value); break;
case ParamType.u8:
case ParamType.x8: bw.WriteByte((byte)value); break;
case ParamType.s8: bw.WriteSByte((sbyte)value); break;
case ParamType.u16:
case ParamType.x16: bw.WriteUInt16((ushort)value); break;
case ParamType.s16: bw.WriteInt16((short)value); break;
case ParamType.u32:
case ParamType.x32: bw.WriteUInt32((uint)value); break;
case ParamType.s32: bw.WriteInt32((int)value); break;
case ParamType.u64:
case ParamType.x64: bw.WriteUInt64((ulong)value); break;
case ParamType.s64: bw.WriteInt64((long)value); break;
case ParamType.f32: bw.WriteSingle((float)value); break;
case ParamType.f64: bw.WriteDouble((double)value); break;
default: throw new Exception($"Invalid ParamTemplate ParamType: {Type.ToString()}");
}
}
internal void WriteData(BinaryWriterEx bw, int animIndex, int eventIndex, TAEFormat format)
{
CopyParametersToBytes(bw.BigEndian);
bw.FillVarint($"EventDataOffset{animIndex}:{eventIndex}", bw.Position);
bw.WriteInt32(Type);
if (format != TAEFormat.DS1)
{
bw.WriteInt32(Unk04);
}
if (format == TAEFormat.SDT && Type == 943)
{
bw.WriteVarint(0);
}
else
{
bw.WriteVarint(bw.Position + (bw.VarintLong ? 8 : 4));
}
bw.WriteBytes(ParameterBytes);
if (format != TAEFormat.DS1)
{
bw.Pad(0x10);
}
}
public void Write(BinaryWriterEx bw)
{
bw.WriteASCII(Name);
bw.WriteInt32(Bytes.Length);
bw.WriteInt32(Count);
bw.WriteInt32(0);
bw.WriteBytes(Bytes);
}
public byte[] Write()
{
using (var ms = new MemoryStream())
{
var bw = new BinaryWriterEx(false, ms);
bw.WriteBytes(Data);
bw.Position = 8;
bw.WriteInt32(SteamID);
bw.Position = 0x1098;
bw.WriteBooleans(OccupiedSlots);
for (int i = 0; i < 10; i++)
{
bw.Position = 0x10A2 + 0x22A * i;
bw.WriteBytes(SlotData[i]);
}
return(bw.FinishBytes());
}
}
public void WriteData(BinaryWriterEx bw)
{
uint absoluteOffset = (uint)bw.Position;
bw.FillUInt32("absoffset" + SectionID, absoluteOffset);
bw.WriteBytes(SectionData);
while ((bw.Position % 16) != 0)
{
bw.WriteByte(0xFF); // 16 byte align
}
// Local fixups
bw.FillUInt32("locoffset" + SectionID, (uint)bw.Position - absoluteOffset);
foreach (var loc in LocalFixups)
{
loc.Write(bw);
}
while ((bw.Position % 16) != 0)
{
bw.WriteByte(0xFF); // 16 byte align
}
// Global fixups
bw.FillUInt32("globoffset" + SectionID, (uint)bw.Position - absoluteOffset);
foreach (var glob in GlobalFixups)
{
glob.Write(bw);
}
while ((bw.Position % 16) != 0)
{
bw.WriteByte(0xFF); // 16 byte align
}
// Virtual fixups
bw.FillUInt32("virtoffset" + SectionID, (uint)bw.Position - absoluteOffset);
foreach (var virt in VirtualFixups)
{
virt.Write(bw);
}
while ((bw.Position % 16) != 0)
{
bw.WriteByte(0xFF); // 16 byte align
}
bw.FillUInt32("expoffset" + SectionID, (uint)bw.Position - absoluteOffset);
bw.FillUInt32("impoffset" + SectionID, (uint)bw.Position - absoluteOffset);
bw.FillUInt32("endoffset" + SectionID, (uint)bw.Position - absoluteOffset);
}
public void WriteStandardValueTypeToRaw(BinaryWriterEx bw, object value)
{
switch (ValueType)
{
case "aob": bw.WriteBytes((byte[])value); break;
case "b": bw.WriteBoolean((bool)value); break;
case "u8":
case "x8": bw.WriteByte((byte)value); break;
case "s8": bw.WriteSByte((sbyte)value); break;
case "u16":
case "x16": bw.WriteUInt16((ushort)value); break;
case "s16": bw.WriteInt16((short)value); break;
case "u32":
case "x32": bw.WriteUInt32((uint)value); break;
case "s32": bw.WriteInt32((int)value); break;
case "u64":
case "x64": bw.WriteUInt64((ulong)value); break;
case "s64": bw.WriteInt64((long)value); break;
case "f32": bw.WriteSingle((float)value); break;
case "f64": bw.WriteDouble((double)value); break;
default: throw new Exception($"Value type '{ValueType}' is not a standard type " +
$"and must be handled manually instead of calling {nameof(XmlStructDefField)}." +
$"{nameof(WriteStandardValueTypeToRaw)}.");
}
}
internal void WriteDefaultValue(BinaryWriterEx bw)
{
if (ValueToAssert != null)
{
WriteAssertValue(bw);
}
else if (DefaultValue == null)
{
switch (Type)
{
case ParamType.aob:
for (int i = 0; i < AobLength; i++)
{
bw.WriteByte(0);
}
break;
case ParamType.b:
case ParamType.u8:
case ParamType.x8: bw.WriteByte(0); break;
case ParamType.s8: bw.WriteSByte(0); break;
case ParamType.u16:
case ParamType.x16: bw.WriteUInt16(0); break;
case ParamType.s16: bw.WriteInt16(0); break;
case ParamType.u32:
case ParamType.x32: bw.WriteUInt32(0); break;
case ParamType.s32: bw.WriteInt32(0); break;
case ParamType.u64:
case ParamType.x64: bw.WriteUInt64(0); break;
case ParamType.s64: bw.WriteInt64(0); break;
case ParamType.f32: bw.WriteSingle(0); break;
case ParamType.f64: bw.WriteDouble(0); break;
default: throw new Exception($"Invalid ParamTemplate ParamType: {Type.ToString()}");
}
}
else
{
switch (Type)
{
case ParamType.aob:
var assertAob = (byte[])DefaultValue;
bw.WriteBytes(assertAob);
break;
case ParamType.b:
case ParamType.u8:
case ParamType.x8: bw.WriteByte((byte)DefaultValue); break;
case ParamType.s8: bw.WriteSByte((sbyte)DefaultValue); break;
case ParamType.u16:
case ParamType.x16: bw.WriteUInt16((ushort)DefaultValue); break;
case ParamType.s16: bw.WriteInt16((short)DefaultValue); break;
case ParamType.u32:
case ParamType.x32: bw.WriteUInt32((uint)DefaultValue); break;
case ParamType.s32: bw.WriteInt32((int)DefaultValue); break;
case ParamType.u64:
case ParamType.x64: bw.WriteUInt64((ulong)DefaultValue); break;
case ParamType.s64: bw.WriteInt64((long)DefaultValue); break;
case ParamType.f32: bw.WriteSingle((float)DefaultValue); break;
case ParamType.f64: bw.WriteDouble((double)DefaultValue); break;
default: throw new Exception($"Invalid ParamTemplate ParamType: {Type.ToString()}");
}
}
}
protected override void Write(BinaryWriterEx bw)
{
bw.WriteASCII("TAE ");
bw.BigEndian = BigEndian;
bw.WriteBoolean(BigEndian);
bw.WriteByte(0);
bw.WriteByte(0);
if (Format == TAEFormat.DS1)
{
bw.VarintLong = false;
bw.WriteByte(0);
}
else
{
bw.VarintLong = true;
bw.WriteByte(0xFF);
}
if (Format == TAEFormat.DS1)
{
bw.WriteInt32(0x1000B);
}
else if (Format == TAEFormat.DS3 || Format == TAEFormat.SOTFS)
{
bw.WriteInt32(0x1000C);
}
else if (Format == TAEFormat.SDT)
{
bw.WriteInt32(0x1000D);
}
bw.ReserveInt32("FileSize");
bw.WriteVarint(0x40);
bw.WriteVarint(1);
bw.WriteVarint(0x50);
bw.WriteVarint(Format == TAEFormat.DS1 ? 0x70 : 0x80);
if (Format == TAEFormat.DS1)
{
bw.WriteInt16(2);
bw.WriteInt16(1);
}
else
{
bw.WriteVarint(EventBank);
}
bw.WriteVarint(0);
//DeS also
if (Format == TAEFormat.DS1)
{
bw.WriteInt64(0);
bw.WriteInt64(0);
bw.WriteInt64(0);
}
bw.WriteBytes(Flags);
if (Format == TAEFormat.SOTFS)
{
bw.WriteByte(0);
bw.WriteByte(1);
}
else
{
bw.WriteByte(1);
bw.WriteByte(0);
}
for (int i = 0; i < 6; i++)
{
bw.WriteByte(0);
}
bw.WriteInt32(ID);
bw.WriteInt32(Animations.Count);
bw.ReserveVarint("AnimsOffset");
bw.ReserveVarint("AnimGroupsOffset");
bw.WriteVarint(Format == TAEFormat.DS1 ? 0x90 : 0xA0);
bw.WriteVarint(Animations.Count);
bw.ReserveVarint("FirstAnimOffset");
if (Format == TAEFormat.DS1)
{
bw.WriteInt32(0);
}
bw.WriteVarint(1);
bw.WriteVarint(Format == TAEFormat.DS1 ? 0x80 : 0x90);
if (Format == TAEFormat.DS1)
{
bw.WriteInt64(0);
}
bw.WriteInt32(ID);
bw.WriteInt32(ID);
bw.WriteVarint(0x50);
bw.WriteInt64(0);
bw.WriteVarint(Format == TAEFormat.DS1 ? 0x98 : 0xB0);
bw.ReserveVarint("SkeletonName");
bw.ReserveVarint("SibName");
if (Format != TAEFormat.SOTFS)
{
bw.WriteVarint(0);
bw.WriteVarint(0);
}
bw.FillVarint("SkeletonName", bw.Position);
if (!string.IsNullOrEmpty(SkeletonName))
{
bw.WriteUTF16(SkeletonName, true);
if (Format != TAEFormat.DS1)
{
bw.Pad(0x10);
}
}
bw.FillVarint("SibName", bw.Position);
if (!string.IsNullOrEmpty(SibName))
{
bw.WriteUTF16(SibName, true);
if (Format != TAEFormat.DS1)
{
bw.Pad(0x10);
}
}
Animations.Sort((a1, a2) => a1.ID.CompareTo(a2.ID));
var animOffsets = new List <long>(Animations.Count);
if (Animations.Count == 0)
{
bw.FillVarint("AnimsOffset", 0);
}
else
{
bw.FillVarint("AnimsOffset", bw.Position);
for (int i = 0; i < Animations.Count; i++)
{
animOffsets.Add(bw.Position);
Animations[i].WriteHeader(bw, i);
}
}
bw.FillVarint("AnimGroupsOffset", bw.Position);
bw.ReserveVarint("AnimGroupsCount");
bw.ReserveVarint("AnimGroupsOffset");
int groupCount = 0;
long groupStart = bw.Position;
for (int i = 0; i < Animations.Count; i++)
{
int firstIndex = i;
bw.WriteInt32((int)Animations[i].ID);
while (i < Animations.Count - 1 && Animations[i + 1].ID == Animations[i].ID + 1)
{
i++;
}
bw.WriteInt32((int)Animations[i].ID);
bw.WriteVarint(animOffsets[firstIndex]);
groupCount++;
}
bw.FillVarint("AnimGroupsCount", groupCount);
if (groupCount == 0)
{
bw.FillVarint("AnimGroupsOffset", 0);
}
else
{
bw.FillVarint("AnimGroupsOffset", groupStart);
}
if (Animations.Count == 0)
{
bw.FillVarint("FirstAnimOffset", 0);
}
else
{
bw.FillVarint("FirstAnimOffset", bw.Position);
for (int i = 0; i < Animations.Count; i++)
{
Animations[i].WriteBody(bw, i, Format);
}
}
for (int i = 0; i < Animations.Count; i++)
{
Animation anim = Animations[i];
anim.WriteAnimFile(bw, i, Format);
Dictionary <float, long> timeOffsets = anim.WriteTimes(bw, i, Format);
List <long> eventHeaderOffsets = anim.WriteEventHeaders(bw, i, timeOffsets);
anim.WriteEventData(bw, i, Format);
anim.WriteEventGroupHeaders(bw, i, Format);
anim.WriteEventGroupData(bw, i, eventHeaderOffsets, Format);
}
bw.FillInt32("FileSize", (int)bw.Position);
}
public void WriteWithContext(BinaryWriterEx bw, EzSembleContext context)
{
bw.WriteASCII(ESDMagicByFormat[FormatType]);
bw.BigEndian = (FormatType == ESDFormatType.BigEndian32Bit || FormatType == ESDFormatType.BigEndian64Bit);
context.IsBigEndian = bw.BigEndian;
bw.WriteInt32(1);
bw.WriteInt32(DarkSoulsCount);
bw.WriteInt32(DarkSoulsCount);
bw.WriteInt32(0x54);
bw.ReserveInt32("DataSize");
bw.WriteInt32(6);
bw.WriteInt32(LongFormat ? 0x48 : 0x2C);
bw.WriteInt32(1);
bw.WriteInt32(LongFormat ? 0x20 : 0x10);
bw.WriteInt32(StateGroups.Count);
int stateSize = LongFormat ? 0x48 : 0x24;
bw.WriteInt32(stateSize);
bw.WriteInt32(StateGroups.Values.Sum(sg => sg.Count + (sg.Count == 1 ? 0 : 1)));
bw.WriteInt32(LongFormat ? 0x38 : 0x1C);
bw.ReserveInt32("ConditionCount");
bw.WriteInt32(LongFormat ? 0x18 : 0x10);
bw.ReserveInt32("CommandCallCount");
bw.WriteInt32(LongFormat ? 0x10 : 0x8);
bw.ReserveInt32("CommandArgCount");
bw.ReserveInt32("ConditionOffsetsOffset");
bw.ReserveInt32("ConditionOffsetsCount");
bw.ReserveInt32("NameBlockOffset");
bw.WriteInt32(Name == null ? 0 : Name.Length + 1);
bw.ReserveInt32("UnkOffset1");
bw.WriteInt32(0);
bw.ReserveInt32("UnkOffset2");
bw.WriteInt32(0);
long dataStart = bw.Position;
bw.WriteInt32(Unk6C);
bw.WriteInt32(Unk70);
bw.WriteInt32(Unk74);
bw.WriteInt32(Unk78);
bw.WriteInt32(Unk7C);
if (LongFormat)
{
bw.WriteInt32(0);
}
ReserveVarint(bw, LongFormat, "StateGroupsOffset");
WriteVarint(bw, LongFormat, StateGroups.Count);
ReserveVarint(bw, LongFormat, "NameOffset");
WriteVarint(bw, LongFormat, Name == null ? 0 : Name.Length + 1);
long unkNull = DarkSoulsCount == 1 ? 0 : -1;
WriteVarint(bw, LongFormat, unkNull);
WriteVarint(bw, LongFormat, unkNull);
// Collect and sort all the IDs so everything is definitely in the same order everywhere
List <long> stateGroupIDs = StateGroups.Keys.ToList();
stateGroupIDs.Sort();
var stateIDs = new Dictionary <long, List <long> >();
foreach (long groupID in stateGroupIDs)
{
stateIDs[groupID] = StateGroups[groupID].Keys.ToList();
stateIDs[groupID].Sort();
}
if (StateGroups.Count == 0)
{
FillVarint(bw, LongFormat, "StateGroupsOffset", -1);
}
else
{
FillVarint(bw, LongFormat, "StateGroupsOffset", bw.Position - dataStart);
foreach (long groupID in stateGroupIDs)
{
WriteVarint(bw, LongFormat, groupID);
ReserveVarint(bw, LongFormat, $"StateGroup{groupID}:StatesOffset1");
WriteVarint(bw, LongFormat, StateGroups[groupID].Count);
ReserveVarint(bw, LongFormat, $"StateGroup{groupID}:StatesOffset2");
}
}
var stateOffsets = new Dictionary <long, Dictionary <long, long> >();
var weirdStateOffsets = new List <long[]>();
foreach (long groupID in stateGroupIDs)
{
stateOffsets[groupID] = new Dictionary <long, long>();
FillVarint(bw, LongFormat, $"StateGroup{groupID}:StatesOffset1", bw.Position - dataStart);
FillVarint(bw, LongFormat, $"StateGroup{groupID}:StatesOffset2", bw.Position - dataStart);
long firstStateOffset = bw.Position;
foreach (long stateID in stateIDs[groupID])
{
stateOffsets[groupID][stateID] = bw.Position - dataStart;
StateGroups[groupID][stateID].WriteHeader(context, bw, LongFormat, groupID, stateID);
}
if (StateGroups[groupID].Count > 1)
{
weirdStateOffsets.Add(new long[] { firstStateOffset, bw.Position });
bw.Position += stateSize;
}
}
// Make a list of every unique condition
var conditions = new Dictionary <long, List <Condition> >();
foreach (long groupID in stateGroupIDs)
{
conditions[groupID] = new List <Condition>();
void addCondition(Condition cond)
{
if (!conditions[groupID].Any(c => ReferenceEquals(cond, c)))
{
conditions[groupID].Add(cond);
foreach (Condition subCond in cond.Subconditions)
{
addCondition(subCond);
}
}
}
foreach (State state in StateGroups[groupID].Values)
{
foreach (Condition cond in state.Conditions)
{
addCondition(cond);
}
}
}
bw.FillInt32("ConditionCount", conditions.Values.Sum(group => group.Count));
// Yes, I do in fact want this to be keyed by reference
var conditionOffsets = new Dictionary <Condition, long>();
foreach (long groupID in stateGroupIDs)
{
for (int i = 0; i < conditions[groupID].Count; i++)
{
Condition cond = conditions[groupID][i];
cond.MetaRefID = conditionOffsets[cond] = bw.Position - dataStart;
cond.WriteHeader(context, bw, LongFormat, groupID, i, stateOffsets[groupID]);
}
}
var commands = new List <CommandCall>();
foreach (long groupID in stateGroupIDs)
{
foreach (long stateID in stateIDs[groupID])
{
StateGroups[groupID][stateID].WriteCommandCalls(context, bw, LongFormat, groupID, stateID, dataStart, commands);
}
for (int i = 0; i < conditions[groupID].Count; i++)
{
conditions[groupID][i].WriteCommandCalls(context, bw, LongFormat, groupID, i, dataStart, commands);
}
}
bw.FillInt32("CommandCallCount", commands.Count);
bw.FillInt32("CommandArgCount", commands.Sum(command => command.Arguments.Count));
for (int i = 0; i < commands.Count; i++)
{
commands[i].WriteArgs(context, bw, LongFormat, i, dataStart);
}
bw.FillInt32("ConditionOffsetsOffset", (int)(bw.Position - dataStart));
int conditionOffsetsCount = 0;
foreach (long groupID in stateGroupIDs)
{
foreach (long stateID in stateIDs[groupID])
{
conditionOffsetsCount += StateGroups[groupID][stateID].WriteConditionOffsets(bw, LongFormat, groupID, stateID, dataStart, conditionOffsets);
}
for (int i = 0; i < conditions[groupID].Count; i++)
{
conditionOffsetsCount += conditions[groupID][i].WriteConditionOffsets(bw, LongFormat, groupID, i, dataStart, conditionOffsets);
}
}
bw.FillInt32("ConditionOffsetsCount", conditionOffsetsCount);
foreach (long groupID in stateGroupIDs)
{
for (int i = 0; i < conditions[groupID].Count; i++)
{
conditions[groupID][i].WriteEvaluator(context, bw, LongFormat, groupID, i, dataStart);
}
}
for (int i = 0; i < commands.Count; i++)
{
commands[i].WriteBytecode(context, bw, LongFormat, i, dataStart);
}
bw.FillInt32("NameBlockOffset", (int)(bw.Position - dataStart));
if (Name == null)
{
FillVarint(bw, LongFormat, "NameOffset", -1);
}
else
{
bw.Pad(2);
FillVarint(bw, LongFormat, "NameOffset", bw.Position - dataStart);
bw.WriteUTF16(Name, true);
}
bw.FillInt32("UnkOffset1", (int)(bw.Position - dataStart));
bw.FillInt32("UnkOffset2", (int)(bw.Position - dataStart));
bw.FillInt32("DataSize", (int)(bw.Position - dataStart));
if (DarkSoulsCount == 1)
{
bw.Pad(4);
}
else if (DarkSoulsCount == 2)
{
bw.Pad(0x10);
}
foreach (long[] offsets in weirdStateOffsets)
{
bw.Position = offsets[0];
byte[] bytes = new byte[stateSize];
bw.Stream.Read(bytes, 0, stateSize);
bw.Position = offsets[1];
bw.WriteBytes(bytes);
}
LastSavedHash = bw.GetMD5HashOfStream();
Metadata = ESDMetadata.Generate(this);
}
private static void Parse(string plaintext, BinaryWriterEx bw, int current, ref int next)
{
if (current == 0 && plaintext[current] == '.')
{
throw new Exception("Cannot start with an abort if previous number is false byte");
}
else if (current == 0 && plaintext[current] == '~')
{
throw new Exception("Cannot start with a continuation byte thing or whatever");
}
// Number literal
if (plaintext[current] == '-' || char.IsDigit(plaintext[current]))
{
// Is subtract and not a literal
if (plaintext[current] == '-' && (next == plaintext.Length || !char.IsDigit(plaintext[next])))
{
bw.WriteByte(BytesByOperator["-"]);
}
else
{
while (next < plaintext.Length && char.IsDigit(plaintext[next]))
{
next++;
}
if (next + 1 < plaintext.Length && plaintext[next] == '.' && char.IsDigit(plaintext[next + 1]))
{
next++;
while (next < plaintext.Length && char.IsDigit(plaintext[next]))
{
next++;
}
}
string str = plaintext.Substring(current, next - current);
double value = double.Parse(str);
if (value == Math.Floor(value))
{
if (value >= -64 && value <= 63)
{
bw.WriteByte((byte)(value + 64));
}
else
{
bw.WriteByte((byte)0x82);
bw.WriteInt32((int)value);
}
}
else if (value == (float)value)
{
bw.WriteByte((byte)0x80);
bw.WriteSingle((float)value);
}
else
{
bw.WriteByte((byte)0x81);
bw.WriteDouble(value);
}
}
}
// String literal
else if (plaintext[current] == '"')
{
while (next < plaintext.Length && plaintext[next] != '"')
{
next++;
}
if (next == plaintext.Length)
{
throw new Exception("Unclosed string literal");
}
string value = plaintext.Substring(current + 1, next - current - 1);
if (value.Contains('\r') || value.Contains('\n'))
{
throw new Exception("String literals may not contain newlines");
}
bw.WriteByte((byte)0xA5);
bw.WriteBytes(bw.BigEndian ?
Encoding.BigEndianUnicode.GetBytes(value + "\0")
: Encoding.Unicode.GetBytes(value + "\0"));
next++;
}
// Add
else if (plaintext[current] == '+')
{
bw.WriteByte(BytesByOperator["+"]);
}
// Multiply
else if (plaintext[current] == '*')
{
bw.WriteByte(BytesByOperator["*"]);
}
// Negate
else if (plaintext[current] == 'N' || plaintext[current] == 'n')
{
bw.WriteByte(BytesByOperator["N"]);
}
else if (plaintext[current] == '/')
{
// Comment
if (next < plaintext.Length && plaintext[next] == '/')
{
while (next < plaintext.Length && plaintext[next] != '\n')
{
next++;
}
next++;
}
// Divide
else
{
bw.WriteByte(BytesByOperator["/"]);
}
}
else if (plaintext[current] == '<')
{
// Less than or equal to
if (next < plaintext.Length && plaintext[next] == '=')
{
bw.WriteByte(BytesByOperator["<="]);
next++;
}
// Less than
else
{
bw.WriteByte(BytesByOperator["<"]);
}
}
else if (plaintext[current] == '>')
{
// Set register
if (next < plaintext.Length && plaintext[next] == '[')
{
if (next + 2 >= plaintext.Length || plaintext[next + 2] != ']')
{
throw new Exception("Malformed register storage");
}
if (!"01234567".Contains(plaintext[next + 1]))
{
throw new Exception("Register must be from 0-7");
}
bw.WriteByte((byte)(0xA7 + byte.Parse(plaintext[next + 1].ToString())));
next += 3;
}
// Greater than or equal to
else if (next < plaintext.Length && plaintext[next] == '=')
{
bw.WriteByte(BytesByOperator[">="]);
next++;
}
// Greater than
else
{
bw.WriteByte(BytesByOperator[">"]);
}
}
// Equal to
else if (plaintext[current] == '=')
{
if (next == plaintext.Length || plaintext[next] != '=')
{
throw new Exception("Orphaned = found");
}
bw.WriteByte(BytesByOperator["=="]);
next++;
}
// Not equal to
else if (plaintext[current] == '!')
{
if (next == plaintext.Length || plaintext[next] != '=')
{
throw new Exception("Orphaned ! found");
}
bw.WriteByte(BytesByOperator["!="]);
next++;
}
// Logical and
else if (plaintext[current] == '&')
{
if (next == plaintext.Length || plaintext[next] != '&')
{
throw new Exception("Orphaned & found");
}
bw.WriteByte(BytesByOperator["&&"]);
next++;
}
// Logical or
else if (plaintext[current] == '|')
{
if (next == plaintext.Length || plaintext[next] != '|')
{
throw new Exception("Orphaned | found");
}
bw.WriteByte(BytesByOperator["||"]);
next++;
}
// Function call
else if (plaintext[current] == '(')
{
if (next + 1 >= plaintext.Length || plaintext[next + 1] != ')')
{
throw new Exception("Unclosed function call");
}
if (!"0123456".Contains(plaintext[next]))
{
throw new Exception("Function call must take 0-6 arguments");
}
bw.WriteByte((byte)(0x84 + byte.Parse(plaintext[next].ToString())));
next += 2;
}
// Get register
else if (plaintext[current] == '[')
{
if (next + 2 >= plaintext.Length || plaintext[next + 1] != ']' || plaintext[next + 2] != '>')
{
throw new Exception("Malformed register retrieval");
}
if (!"01234567".Contains(plaintext[next]))
{
throw new Exception("Register must be from 0-7");
}
bw.WriteByte((byte)(0xAF + byte.Parse(plaintext[next].ToString())));
next += 3;
}
// ~ or .
else if (BytesByTerminator.ContainsKey(plaintext[current]))
{
bw.WriteByte(BytesByTerminator[plaintext[current]]);
}
// Unknown opcode
else if (plaintext[current] == '#')
{
if (next + 1 >= plaintext.Length)
{
throw new Exception("Hex literal too short");
}
bw.WriteByte(Convert.ToByte(plaintext.Substring(current + 1, 2), 16));
next += 2;
}
// Whitespace
else if (char.IsWhiteSpace(plaintext[current]))
{
while (next < plaintext.Length && char.IsWhiteSpace(plaintext[next]))
{
next++;
}
}
// Uh-oh
else
{
throw new Exception($"Unknown character: {plaintext[current]}");
}
}