private void RunCall(IDataContainer obj, string func, object[] parameters, bool isSelf, FallbackAction fallback)
{
// This executes in the job thread.
// Checks if this is still alive.
if (IsDisposed)
{
return;
}
// Checks if the function still exists.
LuaDataContainer dc = obj as LuaDataContainer;
if (dc == null)
{
return;
}
IDataProvider lf = dc.GetProvider(func, isSelf);
if (lf == null)
{
return;
}
// Calls the function.
try
{
lf.Execute(parameters);
}
catch (InvalidOperationException ex)
{
// Last chance fallback action, if any.
if (fallback != null)
{
fallback(ex);
}
else if (DefaultFallbackAction != null)
{
DefaultFallbackAction(ex);
}
else
{
// No fallback action: let's rethrow this.
throw;
}
}
catch (Exception)
{
// Other exceptions than InvalidOperationException are
// immediately rethrown because they are, indeed, unexpected.
throw;
}
}
private void SetField(LuaDataContainer obj, object key, object value, IDataProvider rawset)
{
if (rawset != null)
{
rawset.Execute(obj, key, value);
}
else
{
obj[key] = value;
}
}
private void AddMethodToTable(LuaDataContainer container, string fieldName, string funcName = null)
{
// Gets the type of the delegate to create.
Type dType = this.GetType().GetNestedType(fieldName + "Delegate", BindingFlags.NonPublic);
// Gets the delegate for the method to create.
Delegate d = Delegate.CreateDelegate(dType, this, funcName ?? fieldName);
// Creates the function and sets it to the table.
container.BindWithFunction(fieldName, d);
}
internal GWS(
Cartridge cart,
Character player,
IPlatformHelper platformHelper,
LuaDataFactory dataFactory)
{
this._dataFactory = dataFactory;
this._cartridgeEntity = cart;
this._cartridge = (LuaDataContainer)cart.DataContainer;
this._player = (LuaDataContainer)player.DataContainer;
this._platformHelper = platformHelper;
ZonePoint pos = player.ObjectLocation;
this._latitude = pos.Latitude;
this._longitude = pos.Longitude;
this._altitude = pos.Latitude;
}
internal WIGInternalImpl(Engine engine, LuaDataFactory dataFactory)
{
this._engine = engine;
this._dataFactory = dataFactory;
this._mathHelper = new GeoMathHelper(dataFactory);
LuaDataContainer wiginternal = dataFactory.CreateContainerAt("WIGInternal");
// WIGInternal Lua hooks: UI-related events
AddMethodToTable(wiginternal, "LogMessage");
AddMethodToTable(wiginternal, "MessageBox");
AddMethodToTable(wiginternal, "GetInput");
AddMethodToTable(wiginternal, "NotifyOS");
AddMethodToTable(wiginternal, "ShowScreen");
AddMethodToTable(wiginternal, "ShowStatusText");
// WIGInternal Lua hooks: gameplay-related events
AddMethodToTable(wiginternal, "AttributeChangedEvent");
AddMethodToTable(wiginternal, "CartridgeEvent");
AddMethodToTable(wiginternal, "CommandChangedEvent");
AddMethodToTable(wiginternal, "InventoryEvent");
AddMethodToTable(wiginternal, "MediaEvent");
AddMethodToTable(wiginternal, "TimerEvent");
AddMethodToTable(wiginternal, "ZoneStateChangedEvent");
// WIGInternal Lua hooks: internal functions
AddMethodToTable(wiginternal, "IsPointInZone", "IsPointInZoneLua");
AddMethodToTable(wiginternal, "VectorToZone", "VectorToZoneLua");
AddMethodToTable(wiginternal, "VectorToSegment", "VectorToSegmentLua");
AddMethodToTable(wiginternal, "VectorToPoint", "VectorToPointLua");
AddMethodToTable(wiginternal, "TranslatePoint", "TranslatePointLua");
// Marks package WIGInternal as loaded
dataFactory.SetContainerAt("package.loaded.WIGInternal", wiginternal);
dataFactory.SetContainerAt("package.preload.WIGInternal", wiginternal);
// Loads the Wherigo LUA engine.
dataFactory.LoadAndRunEngine();
}
private void AddMethodToTable(LuaDataContainer container, string fieldName, string funcName = null)
{
// Gets the type of the delegate to create.
Type dType = this.GetType().GetNestedType(fieldName + "Delegate", BindingFlags.NonPublic);
// Gets the delegate for the method to create.
Delegate d = Delegate.CreateDelegate(dType, this, funcName ?? fieldName);
// Creates the function and sets it to the table.
container.BindWithFunction(fieldName, d);
}
/// <summary>
/// Write the table obj to the binary writer output.
/// </summary>
/// <param name="output">BinaryWriter to write the table to.</param>
/// <param name="obj">Table to write to binary writer.</param>
private void writeTable(BinaryWriter output, LuaDataContainer obj)
{
output.Write((byte)5);
var entry = obj.GetEnumerator();
while (entry.MoveNext())
{
// Save key
if (entry.Key is bool)
{
output.Write((byte)1);
output.Write((bool)entry.Key ? (byte)1 : (byte)0);
}
if (entry.Key is double)
{
output.Write((byte)2);
output.Write((double)entry.Key);
}
if (entry.Key is string)
{
output.Write((byte)3);
writeString(output, (string)entry.Key);
}
// Save value
if (entry.Value == null)
{
// Write false for null
output.Write((byte)1);
output.Write((byte)0);
}
if (entry.Value is bool)
{
output.Write((byte)1);
output.Write((bool)entry.Value ? (byte)1 : (byte)0);
}
if (entry.Value is double || entry.Value is int)
{
output.Write((byte)2);
output.Write((double)entry.Value);
}
if (entry.Value is string)
{
output.Write((byte)3);
writeByteArray(output, obj.GetByteArray(entry.Key));
}
if (entry.Value is LuaDataProvider)
{
output.Write((byte)4);
byte[] array = toArray(_dataFactory.GetProviderAt("string.dump").FirstOrDefault <string>(entry.Value));
output.Write(array.Length);
output.Write(array);
}
if (entry.Value is LuaDataContainer)
{
LuaDataContainer dc = (LuaDataContainer)entry.Value;
string className = dc.GetString("ClassName");
if (className != null && (className.Equals("Distance") || className.Equals("ZonePoint") || className.Equals("ZCommand") || className.Equals("ZReciprocalCommand")))
{
output.Write((byte)8);
writeString(output, className);
LuaDataContainer data = dc.CallSelf("serialize");
writeTable(output, data);
}
else if (className != null && (className.Equals("ZCartridge") || className.Equals("ZCharacter") || className.Equals("ZInput") || className.Equals("ZItem") ||
className.Equals("ZMedia") || className.Equals("Zone") || className.Equals("ZTask") || className.Equals("ZTimer")))
{
output.Write((byte)7);
output.Write(Convert.ToInt16(dc.GetInt("ObjIndex").Value));
}
else
{
// New: It is a normal LuaTable or an unknown new ZObject type
LuaDataContainer data = dc;
if (className != null)
{
// New: If we are here, than this is a new ZObject class, so call serialize before.
// New: That means, that it is a normal LuaTable, so save it
LuaDataProvider lf = dc.GetProvider("serialize", true);
if (lf != null)
{
data = lf.FirstContainerOrDefault();
}
}
writeTable(output, data);
}
}
}
output.Write((byte)6);
}
/// <summary>
/// Saves the current cartridge to a GWS file.
/// </summary>
/// <param name="stream">Stream to write the data to.</param>
/// <param name="saveName">Description for the save file, which is put into the file.</param>
public void Save(Stream stream, string saveName = "UI initiated sync")
{
using (BinaryWriter output = new BinaryWriter(stream))
{
// Write signature and version
output.Write(Signature);
output.Write(new byte[] { 0x00, 0x00, 0x00, 0x00 });
int lengthOfHeader = 0;
lengthOfHeader += writeCString(output, _cartridgeEntity.Name);
output.Write(BitConverter.GetBytes((long)((_cartridgeEntity.CreateDate.Ticks - new DateTime(2004, 02, 10, 01, 00, 00).Ticks) / TimeSpan.TicksPerSecond)));
lengthOfHeader += 8;
lengthOfHeader += writeCString(output, _cartridgeEntity.Player);
// MUST be "Windows PPC" for Emulator
lengthOfHeader += writeCString(output, _platformHelper.Device);
// MUST be "Desktop" for Emulator
lengthOfHeader += writeCString(output, _platformHelper.DeviceId);
output.Write(BitConverter.GetBytes((long)((DateTime.Now.Ticks - new DateTime(2004, 02, 10, 01, 00, 00).Ticks) / TimeSpan.TicksPerSecond)));
lengthOfHeader += 8;
lengthOfHeader += writeCString(output, saveName);
output.Write(BitConverter.GetBytes(_latitude));
lengthOfHeader += 8;
output.Write(BitConverter.GetBytes(_longitude));
lengthOfHeader += 8;
output.Write(BitConverter.GetBytes(_altitude));
lengthOfHeader += 8;
var pos = output.BaseStream.Position;
output.BaseStream.Position = 7;
output.Write(BitConverter.GetBytes(lengthOfHeader));
output.BaseStream.Position = pos;
_allZObjects = _cartridge.GetContainer("AllZObjects");
int numAllZObjects = _allZObjects.Count;
output.Write(numAllZObjects);
for (int i = 1; i < numAllZObjects; i++)
{
writeString(output, _allZObjects.GetContainer(i).GetString("ClassName"));
}
LuaDataContainer obj = _player;
writeString(output, obj.GetString("ClassName"));
LuaDataContainer data = obj.CallSelf("serialize");
writeTable(output, data);
for (int i = 0; i < numAllZObjects; i++)
{
obj = (LuaDataContainer)_allZObjects.GetContainer(i);
writeString(output, obj.GetString("ClassName"));
data = obj.CallSelf("serialize");
writeTable(output, data);
}
output.Flush();
output.Close();
}
}
private void readTable(BinaryReader input, LuaDataContainer obj)
{
string className = "unknown";
IDataProvider rawset = null;
LuaDataContainer tab;
object key = 1;
if (obj != null)
{
className = obj.GetString("ClassName");
if (className != null)
{
rawset = obj.GetProvider("rawset", false);
}
}
byte b = input.ReadByte();
while (b != 6)
{
// Key
switch (b)
{
case 1:
key = input.ReadByte() == 0 ? false : true;
break;
case 2:
key = input.ReadDouble();
break;
case 3:
key = readString(input);
break;
default:
throw new Exception(String.Format("Unsupported table key: {0} at byte {1}", b, input.BaseStream.Position));
}
b = input.ReadByte();
// Value
switch (b)
{
case 1:
SetField(obj, key, input.ReadBoolean(), rawset);
break;
case 2:
SetField(obj, key, input.ReadDouble(), rawset);
break;
case 3:
SetField(obj, key, readByteArray(input), rawset);
break;
case 4:
byte[] chunk = input.ReadBytes(input.ReadInt32());
SetField(obj, key, _dataFactory.LoadProvider(chunk, key.ToString()), rawset);
break;
case 5:
tab = _dataFactory.CreateContainer();
SetField(obj, key, tab, rawset);
readTable(input, tab);
break;
case 6:
// End of table
return;
case 7:
var objIndex = input.ReadInt16();
if (objIndex == -21555)
{
SetField(obj, key, _player, rawset);
}
else
{
SetField(obj, key, _allZObjects.GetContainer(objIndex), rawset);
}
break;
case 8:
tab = (LuaDataContainer)_dataFactory.CreateWherigoObject(readString(input)).DataContainer;
SetField(obj, key, tab, rawset);
// After an object, there is always a table with the content
input.ReadByte();
readTable(input, tab);
break;
}
b = input.ReadByte();
}
}
/// <summary>
/// Loads a save game for the current cartridge from a stream.
/// </summary>
/// <param name="stream">Stream to load the game from.</param>
/// <returns>The metadata of the file.</returns>
public Metadata Load(Stream stream)
{
int numAllZObjects;
Metadata metadata;
using (BinaryReader input = new BinaryReader(stream))
{
// Loads the GWS metadata.
metadata = LoadMetadata(input);
// Belongs this GWS file to the cartridge
if (!metadata.CartridgeCreateDate.Equals(_cartridgeEntity.CreateDate))
{
throw new Exception("Trying to load a GWS file with different creation date of cartridge.");
}
// TODO
// Check, if all fields are the same as the fields from the GWC cartridge.
// If not, than ask, if we should go on, even it could get problems.
int numOfObjects = input.ReadInt32();
_allZObjects = _cartridge.GetContainer("AllZObjects");
numAllZObjects = _allZObjects.Count;
string objectType = null;
for (int i = 1; i < numOfObjects; i++)
{
objectType = readString(input);
if (i > numAllZObjects - 1)
{
// Object creation can be done using:
WherigoObject wo = _dataFactory.CreateWherigoObject(objectType, _cartridge);
}
else
{
// TODO: Check, if objectType and real type of object are the same
}
}
// Now update allZObjects, because it could be, that new ones are created
_allZObjects = _cartridge.GetContainer("AllZObjects");
numAllZObjects = _allZObjects.Count;
//LuaTable obj = _player;
LuaDataContainer obj = _player;
objectType = readString(input);
// Read begin table (5) for player
byte b = input.ReadByte();
// Read data for player
readTable(input, obj);
for (int i = 0; i < numAllZObjects; i++)
{
objectType = readString(input);
b = input.ReadByte();
if (b != 5)
{
// error
throw new InvalidOperationException();
}
else
{
obj = (LuaDataContainer)_allZObjects.GetContainer(i);
readTable(input, obj);
}
}
input.Close();
}
// Now deserialize all ZObjects
for (int i = 0; i < numAllZObjects; i++)
{
((LuaDataContainer)_allZObjects.GetContainer(i)).CallSelf("deserialize");
}
// TODO: Update all lists
return(metadata);
}
/// <summary>
/// Write the table obj to the binary writer output.
/// </summary>
/// <param name="output">BinaryWriter to write the table to.</param>
/// <param name="obj">Table to write to binary writer.</param>
private void writeTable(BinaryWriter output, LuaDataContainer obj)
{
output.Write((byte)5);
var entry = obj.GetEnumerator();
while (entry.MoveNext())
{
// Save key
if (entry.Key is bool)
{
output.Write((byte)1);
output.Write((bool)entry.Key ? (byte)1 : (byte)0);
}
if (entry.Key is double)
{
output.Write((byte)2);
output.Write((double)entry.Key);
}
if (entry.Key is string)
{
output.Write((byte)3);
writeString(output, (string)entry.Key);
}
// Save value
if (entry.Value == null)
{
// Write false for null
output.Write((byte)1);
output.Write((byte)0);
}
if (entry.Value is bool)
{
output.Write((byte)1);
output.Write((bool)entry.Value ? (byte)1 : (byte)0);
}
if (entry.Value is double || entry.Value is int)
{
output.Write((byte)2);
output.Write((double)entry.Value);
}
if (entry.Value is string)
{
output.Write((byte)3);
writeByteArray(output, obj.GetByteArray(entry.Key));
}
if (entry.Value is LuaDataProvider)
{
output.Write((byte)4);
byte[] array = toArray(_dataFactory.GetProviderAt("string.dump").FirstOrDefault<string>(entry.Value));
output.Write(array.Length);
output.Write(array);
}
if (entry.Value is LuaDataContainer)
{
LuaDataContainer dc = (LuaDataContainer)entry.Value;
string className = dc.GetString("ClassName");
if (className != null && (className.Equals("Distance") || className.Equals("ZonePoint") || className.Equals("ZCommand") || className.Equals("ZReciprocalCommand")))
{
output.Write((byte)8);
writeString(output, className);
LuaDataContainer data = dc.CallSelf("serialize");
writeTable(output, data);
}
else if (className != null && (className.Equals("ZCartridge") || className.Equals("ZCharacter") || className.Equals("ZInput") || className.Equals("ZItem") ||
className.Equals("ZMedia") || className.Equals("Zone") || className.Equals("ZTask") || className.Equals("ZTimer")))
{
output.Write((byte)7);
output.Write(Convert.ToInt16(dc.GetInt("ObjIndex").Value));
}
else
{
// New: It is a normal LuaTable or an unknown new ZObject type
LuaDataContainer data = dc;
if (className != null)
{
// New: If we are here, than this is a new ZObject class, so call serialize before.
// New: That means, that it is a normal LuaTable, so save it
LuaDataProvider lf = dc.GetProvider("serialize", true);
if (lf != null)
data = lf.FirstContainerOrDefault();
}
writeTable(output, data);
}
}
}
output.Write((byte)6);
}
/// <summary>
/// Saves the current cartridge to a GWS file.
/// </summary>
/// <param name="stream">Stream to write the data to.</param>
/// <param name="saveName">Description for the save file, which is put into the file.</param>
public void Save(Stream stream, string saveName = "UI initiated sync")
{
using (BinaryWriter output = new BinaryWriter(stream))
{
// Write signature and version
output.Write(Signature);
output.Write(new byte[] { 0x00, 0x00, 0x00, 0x00 });
int lengthOfHeader = 0;
lengthOfHeader += writeCString(output, _cartridgeEntity.Name);
output.Write(BitConverter.GetBytes((long)((_cartridgeEntity.CreateDate.Ticks - new DateTime(2004, 02, 10, 01, 00, 00).Ticks) / TimeSpan.TicksPerSecond)));
lengthOfHeader += 8;
lengthOfHeader += writeCString(output, _cartridgeEntity.Player);
// MUST be "Windows PPC" for Emulator
lengthOfHeader += writeCString(output, _platformHelper.Device);
// MUST be "Desktop" for Emulator
lengthOfHeader += writeCString(output, _platformHelper.DeviceId);
output.Write(BitConverter.GetBytes((long)((DateTime.Now.Ticks - new DateTime(2004, 02, 10, 01, 00, 00).Ticks) / TimeSpan.TicksPerSecond)));
lengthOfHeader += 8;
lengthOfHeader += writeCString(output, saveName);
output.Write(BitConverter.GetBytes(_latitude));
lengthOfHeader += 8;
output.Write(BitConverter.GetBytes(_longitude));
lengthOfHeader += 8;
output.Write(BitConverter.GetBytes(_altitude));
lengthOfHeader += 8;
var pos = output.BaseStream.Position;
output.BaseStream.Position = 7;
output.Write(BitConverter.GetBytes(lengthOfHeader));
output.BaseStream.Position = pos;
_allZObjects = _cartridge.GetContainer("AllZObjects");
int numAllZObjects = _allZObjects.Count;
output.Write(numAllZObjects);
for (int i = 1; i < numAllZObjects; i++)
{
writeString(output, _allZObjects.GetContainer(i).GetString("ClassName"));
}
LuaDataContainer obj = _player;
writeString(output, obj.GetString("ClassName"));
LuaDataContainer data = obj.CallSelf("serialize");
writeTable(output, data);
for (int i = 0; i < numAllZObjects; i++)
{
obj = (LuaDataContainer)_allZObjects.GetContainer(i);
writeString(output, obj.GetString("ClassName"));
data = obj.CallSelf("serialize");
writeTable(output, data);
}
output.Flush();
output.Close();
}
}
private void SetField(LuaDataContainer obj, object key, object value, IDataProvider rawset)
{
if (rawset != null)
rawset.Execute(obj, key, value);
else
obj[key] = value;
}
private void readTable(BinaryReader input, LuaDataContainer obj)
{
string className = "unknown";
IDataProvider rawset = null;
LuaDataContainer tab;
object key = 1;
if (obj != null)
{
className = obj.GetString("ClassName");
if (className != null)
rawset = obj.GetProvider("rawset", false);
}
byte b = input.ReadByte();
while (b != 6)
{
// Key
switch (b)
{
case 1:
key = input.ReadByte() == 0 ? false : true;
break;
case 2:
key = input.ReadDouble();
break;
case 3:
key = readString(input);
break;
default:
throw new Exception(String.Format("Unsupported table key: {0} at byte {1}", b, input.BaseStream.Position));
}
b = input.ReadByte();
// Value
switch (b)
{
case 1:
SetField(obj, key, input.ReadBoolean(), rawset);
break;
case 2:
SetField(obj, key, input.ReadDouble(), rawset);
break;
case 3:
SetField(obj, key, readByteArray(input), rawset);
break;
case 4:
byte[] chunk = input.ReadBytes(input.ReadInt32());
SetField(obj, key, _dataFactory.LoadProvider(chunk, key.ToString()), rawset);
break;
case 5:
tab = _dataFactory.CreateContainer();
SetField(obj, key, tab, rawset);
readTable(input, tab);
break;
case 6:
// End of table
return;
case 7:
var objIndex = input.ReadInt16 ();
if (objIndex == -21555)
SetField (obj, key, _player, rawset);
else
SetField(obj, key, _allZObjects.GetContainer(objIndex), rawset);
break;
case 8:
tab = (LuaDataContainer)_dataFactory.CreateWherigoObject(readString(input)).DataContainer;
SetField(obj, key, tab, rawset);
// After an object, there is always a table with the content
input.ReadByte();
readTable(input, tab);
break;
}
b = input.ReadByte();
}
}
/// <summary>
/// Loads a save game for the current cartridge from a stream.
/// </summary>
/// <param name="stream">Stream to load the game from.</param>
/// <returns>The metadata of the file.</returns>
public Metadata Load(Stream stream)
{
int numAllZObjects;
Metadata metadata;
using (BinaryReader input = new BinaryReader(stream))
{
// Loads the GWS metadata.
metadata = LoadMetadata(input);
// Belongs this GWS file to the cartridge
if (!metadata.CartridgeCreateDate.Equals(_cartridgeEntity.CreateDate))
throw new Exception("Trying to load a GWS file with different creation date of cartridge.");
// TODO
// Check, if all fields are the same as the fields from the GWC cartridge.
// If not, than ask, if we should go on, even it could get problems.
int numOfObjects = input.ReadInt32();
_allZObjects = _cartridge.GetContainer("AllZObjects");
numAllZObjects = _allZObjects.Count;
string objectType = null;
for (int i = 1; i < numOfObjects; i++)
{
objectType = readString(input);
if (i > numAllZObjects - 1)
{
// Object creation can be done using:
WherigoObject wo = _dataFactory.CreateWherigoObject(objectType, _cartridge);
}
else
{
// TODO: Check, if objectType and real type of object are the same
}
}
// Now update allZObjects, because it could be, that new ones are created
_allZObjects = _cartridge.GetContainer("AllZObjects");
numAllZObjects = _allZObjects.Count;
//LuaTable obj = _player;
LuaDataContainer obj = _player;
objectType = readString(input);
// Read begin table (5) for player
byte b = input.ReadByte();
// Read data for player
readTable(input, obj);
for (int i = 0; i < numAllZObjects; i++)
{
objectType = readString(input);
b = input.ReadByte();
if (b != 5)
{
// error
throw new InvalidOperationException();
}
else
{
obj = (LuaDataContainer)_allZObjects.GetContainer(i);
readTable(input, obj);
}
}
input.Close();
}
// Now deserialize all ZObjects
for (int i = 0; i < numAllZObjects; i++)
{
((LuaDataContainer)_allZObjects.GetContainer(i)).CallSelf("deserialize");
}
// TODO: Update all lists
return metadata;
}
internal GWS(
Cartridge cart,
Character player,
IPlatformHelper platformHelper,
LuaDataFactory dataFactory)
{
this._dataFactory = dataFactory;
this._cartridgeEntity = cart;
this._cartridge = (LuaDataContainer)cart.DataContainer;
this._player = (LuaDataContainer)player.DataContainer;
this._platformHelper = platformHelper;
ZonePoint pos = player.ObjectLocation;
this._latitude = pos.Latitude;
this._longitude = pos.Longitude;
this._altitude = pos.Latitude;
}
