private bool InternalLoad(string path, Core.Version version, ClientFeatures features)
{
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
if (version == null)
{
throw new ArgumentNullException(nameof(version));
}
if (!File.Exists(path))
{
throw new FileNotFoundException($"File not found: {path}", path);
}
if (this.Loaded)
{
return(true);
}
if (features == ClientFeatures.None || features == ClientFeatures.Transparency)
{
features |= version.Value >= (ushort)DatFormat.Format_755 ? ClientFeatures.PatternZ : features;
features |= version.Value >= (ushort)DatFormat.Format_960 ? ClientFeatures.Extended : features;
features |= version.Value >= (ushort)DatFormat.Format_1050 ? ClientFeatures.FrameDurations : features;
features |= version.Value >= (ushort)DatFormat.Format_1057 ? ClientFeatures.FrameGroups : features;
}
using (FileStream stream = new FileStream(path, FileMode.Open))
{
BinaryReader reader = new BinaryReader(stream);
uint signature = reader.ReadUInt32();
if (signature != version.DatSignature)
{
string message = "Invalid DAT signature. Expected signature is {0:X} and loaded signature is {1:X}.";
throw new Exception(string.Format(message, version.DatSignature, signature));
}
this.ItemCount = reader.ReadUInt16();
this.OutfitCount = reader.ReadUInt16();
this.EffectCount = reader.ReadUInt16();
this.MissileCount = reader.ReadUInt16();
int total = this.ItemCount + this.OutfitCount + this.EffectCount + this.MissileCount;
int loaded = 0;
// load item list.
for (ushort id = 100; id <= this.ItemCount; id++)
{
ThingType item = new ThingType(id, ThingCategory.Item);
if (!ThingTypeSerializer.ReadProperties(item, version.Format, reader) ||
!ThingTypeSerializer.ReadTexturePatterns(item, features, reader))
{
throw new Exception("Items list cannot be loaded.");
}
this.Items.Add(id, item);
}
// update progress.
if (this.ProgressChanged != null)
{
loaded += this.ItemCount;
this.ProgressChanged(this, (loaded * 100) / total);
}
// load outfit list.
for (ushort id = 1; id <= this.OutfitCount; id++)
{
ThingType outfit = new ThingType(id, ThingCategory.Outfit);
if (!ThingTypeSerializer.ReadProperties(outfit, version.Format, reader) ||
!ThingTypeSerializer.ReadTexturePatterns(outfit, features, reader))
{
throw new Exception("Outfits list cannot be loaded.");
}
this.Outfits.Add(id, outfit);
}
// update progress.
if (this.ProgressChanged != null)
{
loaded += this.OutfitCount;
this.ProgressChanged(this, (loaded * 100) / total);
}
// load effect list.
for (ushort id = 1; id <= this.EffectCount; id++)
{
ThingType effect = new ThingType(id, ThingCategory.Effect);
if (!ThingTypeSerializer.ReadProperties(effect, version.Format, reader) ||
!ThingTypeSerializer.ReadTexturePatterns(effect, features, reader))
{
throw new Exception("Effects list cannot be loaded.");
}
this.Effects.Add(id, effect);
}
// update progress.
if (this.ProgressChanged != null)
{
loaded += this.EffectCount;
this.ProgressChanged(this, (loaded * 100) / total);
}
// load missile list.
for (ushort id = 1; id <= this.MissileCount; id++)
{
ThingType missile = new ThingType(id, ThingCategory.Missile);
if (!ThingTypeSerializer.ReadProperties(missile, version.Format, reader) ||
!ThingTypeSerializer.ReadTexturePatterns(missile, features, reader))
{
throw new Exception("Missiles list cannot be loaded.");
}
this.Missiles.Add(id, missile);
}
// update progress.
if (this.ProgressChanged != null)
{
loaded += this.MissileCount;
this.ProgressChanged(this, (loaded * 100) / total);
}
}
this.FilePath = path;
this.Version = version;
this.ClientFeatures = features;
this.Changed = false;
this.Loaded = true;
this.Disposed = false;
return(true);
}
public bool Save(string path, Core.Version version, ClientFeatures features)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
if (version == null)
{
throw new ArgumentNullException(nameof(version));
}
if (this.Disposed)
{
throw new ObjectDisposedException(this.GetType().Name);
}
if (!this.Loaded)
{
return(false);
}
if (features == ClientFeatures.None || features == ClientFeatures.Transparency)
{
features |= version.Value >= (ushort)DatFormat.Format_755 ? ClientFeatures.PatternZ : features;
features |= version.Value >= (ushort)DatFormat.Format_960 ? ClientFeatures.Extended : features;
features |= version.Value >= (ushort)DatFormat.Format_1050 ? ClientFeatures.FrameDurations : features;
features |= version.Value >= (ushort)DatFormat.Format_1057 ? ClientFeatures.FrameGroups : features;
}
string directory = Path.GetDirectoryName(path);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
if (!this.Changed && this.Version.Equals(version) && this.ClientFeatures == features &&
this.FilePath != null && !this.FilePath.Equals(path))
{
// just copy the content if nothing has changed.
File.Copy(this.FilePath, path, true);
if (this.ProgressChanged != null)
{
this.ProgressChanged(this, 100);
}
}
else
{
string tmpPath = Path.Combine(directory, Path.GetFileNameWithoutExtension(path) + ".tmp");
using (FlagsBinaryWriter writer = new FlagsBinaryWriter(new FileStream(tmpPath, FileMode.Create)))
{
// write the signature.
writer.Write(version.DatSignature);
// write item, outfit, effect and missile count.
writer.Write(this.ItemCount);
writer.Write(this.OutfitCount);
writer.Write(this.EffectCount);
writer.Write(this.MissileCount);
int total = this.ItemCount + this.OutfitCount + this.EffectCount + this.MissileCount;
int compiled = 0;
// write item list.
for (ushort id = 100; id <= this.ItemCount; id++)
{
ThingType item = this.Items[id];
if (!ThingTypeSerializer.WriteProperties(item, version.Format, writer) ||
!ThingTypeSerializer.WriteTexturePatterns(item, features, writer))
{
throw new Exception("Items list cannot be compiled.");
}
}
// update progress.
if (this.ProgressChanged != null)
{
compiled += this.ItemCount;
this.ProgressChanged(this, (compiled * 100) / total);
}
bool onlyOneGroup = ((this.ClientFeatures & ClientFeatures.FrameGroups) == ClientFeatures.FrameGroups) &&
((features & ClientFeatures.FrameGroups) != ClientFeatures.FrameGroups);
// write outfit list.
for (ushort id = 1; id <= this.OutfitCount; id++)
{
ThingType outfit = onlyOneGroup ? ThingType.ToSingleFrameGroup(this.Outfits[id]) : this.Outfits[id];
if (!ThingTypeSerializer.WriteProperties(outfit, version.Format, writer) ||
!ThingTypeSerializer.WriteTexturePatterns(outfit, features, writer))
{
throw new Exception("Outfits list cannot be compiled.");
}
}
// update progress.
if (this.ProgressChanged != null)
{
compiled += this.OutfitCount;
this.ProgressChanged(this, (compiled * 100) / total);
}
// write effect list.
for (ushort id = 1; id <= this.EffectCount; id++)
{
ThingType effect = this.Effects[id];
if (!ThingTypeSerializer.WriteProperties(effect, version.Format, writer) ||
!ThingTypeSerializer.WriteTexturePatterns(effect, features, writer))
{
throw new Exception("Effects list cannot be compiled.");
}
}
// update progress.
if (this.ProgressChanged != null)
{
compiled += this.EffectCount;
this.ProgressChanged(this, (compiled * 100) / total);
}
// write missile list.
for (ushort id = 1; id <= this.MissileCount; id++)
{
ThingType missile = this.Missiles[id];
if (!ThingTypeSerializer.WriteProperties(missile, version.Format, writer) ||
!ThingTypeSerializer.WriteTexturePatterns(missile, features, writer))
{
throw new Exception("Missiles list cannot be compiled.");
}
}
// update progress.
if (this.ProgressChanged != null)
{
compiled += this.MissileCount;
this.ProgressChanged(this, (compiled * 100) / total);
}
}
if (File.Exists(path))
{
File.Delete(path);
}
File.Move(tmpPath, path);
}
this.FilePath = path;
this.Version = version;
this.ClientFeatures = features;
this.Changed = false;
if (this.StorageCompiled != null)
{
this.StorageCompiled(this);
}
return(true);
}