private static CompressionState AnalyzeSecondGen(IReader reader, EngineDescription engineInfo)
{
// H2 header is uncompressed, so the cache file needs to be loaded enough to check if the tag table is readable
var segmenter = new FileSegmenter(engineInfo.SegmentAlignment);
reader.SeekTo(0);
StructureValueCollection headerValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("header"));
var metaOffset = (int)headerValues.GetInteger("meta offset");
var metaSize = (int)headerValues.GetInteger("meta size");
uint metaOffsetMask = (uint)headerValues.GetInteger("meta offset mask");
var metaSegment = new FileSegment(
segmenter.DefineSegment(metaOffset, metaSize, 0x200, SegmentResizeOrigin.Beginning), segmenter);
var MetaArea = new FileSegmentGroup(new MetaOffsetConverter(metaSegment, metaOffsetMask));
MetaArea.AddSegment(metaSegment);
if (MetaArea.Offset >= reader.Length)
{
return(CompressionState.Compressed);
}
reader.SeekTo(MetaArea.Offset);
StructureValueCollection tagTableValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("meta header"));
if ((uint)tagTableValues.GetInteger("magic") != CharConstant.FromString("tags"))
{
return(CompressionState.Compressed);
}
return(CompressionState.Decompressed);
}
private void Load(IReader reader, StructureValueCollection headerValues, FileSegmentGroup metaArea,
EngineDescription buildInfo)
{
if ((uint)headerValues.GetInteger("magic") != CharConstant.FromString("tags"))
throw new ArgumentException("Invalid index table header magic");
// Tags
var numTags = (int)headerValues.GetInteger("number of tags");
// TODO (Dragon): idk if this is acceptable
uint tagTableOffset;
if (buildInfo.BuildVersion == "02.01.07.4998" || buildInfo.BuildVersion == "02.06.28.07902")
{
//tagTableOffset = (uint)(metaArea.Offset + (uint)headerValues.GetInteger("tag table offset") - metaArea.BasePointer);
tagTableOffset = (uint)(metaArea.Offset + (uint)headerValues.GetInteger("tag table offset") - (uint)headerValues.GetInteger("meta header mask"));
}
else
{
tagTableOffset = (uint)(metaArea.Offset + (uint)headerValues.GetInteger("tag table offset") - metaArea.BasePointer);
}
// Offset is relative to the header
// hack to "spoof" a group table since firstgen has none
_groups = ReadGroups(reader, tagTableOffset, numTags, buildInfo);
_groupsById = BuildGroupLookup(_groups);
_tags = ReadTags(reader, tagTableOffset, numTags, buildInfo, metaArea);
}
public void LoadNewTagEntry(TagEntry tag)
{
_tag = tag;
// Load Plugin Path
string groupName = VariousFunctions.SterilizeTagGroupName(CharConstant.ToString(_tag.RawTag.Group.Magic)).Trim();
_pluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("plugins"), groupName);
if (_buildInfo.Settings.PathExists("fallbackPlugins"))
{
_fallbackPluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("fallbackPlugins"), groupName);
}
// Set Option boxes
cbShowInvisibles.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInvisibles;
cbShowComments.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowComments;
cbShowInformation.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInformation;
cbEnumPrefix.SelectedIndex = (int)App.AssemblyStorage.AssemblySettings.PluginsEnumPrefix;
// Load Meta
RefreshEditor(MetaReader.LoadType.File);
}
public MetaEditor(EngineDescription buildInfo, TagEntry tag, MetaContainer parentContainer, TagHierarchy tags,
ICacheFile cache, IStreamManager streamManager, IRTEProvider rteProvider, Trie stringIDTrie)
{
InitializeComponent();
_parentMetaContainer = parentContainer;
_tag = tag;
_tags = tags;
_buildInfo = buildInfo;
_cache = cache;
_fileManager = streamManager;
_rteProvider = rteProvider;
_searchTimer = new Timer(SearchTimer);
_stringIdTrie = stringIDTrie;
// Load Plugin Path
string className = VariousFunctions.SterilizeTagClassName(CharConstant.ToString(tag.RawTag.Class.Magic)).Trim();
_pluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("plugins"), className);
// Set Option boxes
cbShowInvisibles.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInvisibles;
cbShowComments.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowComments;
cbShowEnumIndex.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowEnumIndex;
cbShowInformation.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInformation;
// Load Meta
RefreshEditor(MetaReader.LoadType.File);
// Set init finished
hasInitFinished = true;
}
private static void DumpSharedResources(string mapPath, EngineDatabase db)
{
ICacheFile cacheFile;
ResourceTable resources;
using (var reader = new EndianReader(File.OpenRead(mapPath), Endian.BigEndian))
{
cacheFile = CacheFileLoader.LoadCacheFile(reader, db);
resources = cacheFile.Resources.LoadResourceTable(reader);
}
using (var output = new StreamWriter(Path.ChangeExtension(mapPath, ".txt")))
{
output.WriteLine("Shared resources referenced by {0}:", Path.GetFileName(mapPath));
output.WriteLine();
output.WriteLine("Rsrc Datum Map File Class Tag");
output.WriteLine("---------- -------- ----- ---");
foreach (Resource resource in resources.Resources.Where(r => r.Location != null && r.ParentTag != null))
{
// If either page has a null file path, then it's shared
ResourcePointer loc = resource.Location;
string primaryFile = (loc.PrimaryPage != null) ? loc.PrimaryPage.FilePath : null;
string secondaryFile = (loc.SecondaryPage != null) ? loc.SecondaryPage.FilePath : null;
if (primaryFile != null || secondaryFile != null)
{
string className = CharConstant.ToString(resource.ParentTag.Class.Magic);
string name = cacheFile.FileNames.GetTagName(resource.ParentTag) ?? resource.ParentTag.Index.ToString();
string fileName = primaryFile ?? secondaryFile;
fileName = fileName.Substring(fileName.IndexOf('\\') + 1);
output.WriteLine("{0} {1, -12} {2} {3}", resource.Index, fileName, className, name);
}
}
}
}
public PluginEditor(EngineDescription buildInfo, TagEntry tag, MetaContainer parent, MetaEditor sibling)
{
InitializeComponent();
txtPlugin.TextArea.TextEntered += PluginTextEntered;
_parent = parent;
_sibling = sibling;
LoadSyntaxHighlighting();
SetHighlightColor();
LoadCodeCompletion();
App.AssemblyStorage.AssemblySettings.PropertyChanged += Settings_SettingsChanged;
string groupName = VariousFunctions.SterilizeTagGroupName(CharConstant.ToString(tag.RawTag.Group.Magic)).Trim();
_pluginPath =
string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
buildInfo.Settings.GetSetting <string>("plugins"), groupName.Trim());
if (buildInfo.Settings.PathExists("fallbackPlugins"))
{
_fallbackPluginPath =
string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
buildInfo.Settings.GetSetting <string>("fallbackPlugins"), groupName.Trim());
}
LoadPlugin();
}
public static void LoadTags(Models.Project project, ICacheFile cacheFile,
string projectDirectory, Trie stringIdTrie)
{
var tagsDirectory = Path.Combine(projectDirectory, project.Properties.TagsFolder);
if (!Directory.Exists(tagsDirectory))
{
Directory.CreateDirectory(tagsDirectory);
}
// Generate Tag List
var tags = cacheFile.Tags
.Where(tag => tag != null && tag.Class != null && tag.MetaLocation != null)
.Select(tag =>
{
var className = CharConstant.ToString(tag.Class.Magic).Trim();
var name = cacheFile.FileNames.GetTagName(tag);
if (string.IsNullOrWhiteSpace(name))
{
name = tag.Index.ToString();
}
var directory = tagsDirectory;
var tagFileName = $"{name}.{className}";
var indexOfSeparator = tagFileName.LastIndexOf('\\');
if (indexOfSeparator > -1)
{
directory = Path
.Combine(tagsDirectory, tagFileName.Remove(indexOfSeparator))
.Replace('\\', Path.DirectorySeparatorChar);
tagFileName = tagFileName.Remove(0, indexOfSeparator + 1);
}
return(new TagEntry(tag, className, name, tagFileName, directory));
});
// Extract Tag Data
foreach (var tag in tags)
{
// Create Directory
if (!Directory.Exists(tag.Directory))
{
Directory.CreateDirectory(tag.Directory);
}
using (var reader = XmlReader.Create($"data/plugins/halo3/{PlatformHelpers.EscapePath(tag.ClassName)}.xml"))
{
var pluginVisitor = new JsonPluginVisitor(tags, stringIdTrie, cacheFile.MetaArea);
JsonPluginLoader.LoadPlugin(reader, pluginVisitor);
File.WriteAllText(tag.FullPath,
JsonConvert.SerializeObject(pluginVisitor.TagData, Formatting.Indented, new JsonSerializerSettings
{
TypeNameHandling = TypeNameHandling.Auto
}));
}
}
}
/// <summary>
/// Writes the header for a new block.
/// </summary>
/// <param name="id">The name of the block. Can be no more than 4 characters long.</param>
/// <param name="version">The block's version number.</param>
public void StartBlock(string id, byte version)
{
if (id.Length > 4)
{
throw new ArgumentException("Container block IDs can be no more than 4 bytes long");
}
id = id.PadRight(4);
StartBlock((uint)CharConstant.FromString(id), version);
}
private void LoadSimulationDefinitions(IReader reader)
{
if (_tags != null && _buildInfo.Layouts.HasLayout("scnr") && _buildInfo.Layouts.HasLayout("simulation definition table element"))
{
ITag scnr = _tags.GetGlobalTag(CharConstant.FromString("scnr"));
if (scnr != null)
{
_simulationDefinitions = new ThirdGenSimulationDefinitionTable(scnr, _tags, reader, MetaArea, Allocator, _buildInfo, _expander);
}
}
}
private void LoadEffects(IReader reader)
{
if (_tags != null && _buildInfo.Layouts.HasLayout("scnr") && _buildInfo.Layouts.HasLayout("structured effect interop element"))
{
ITag scnr = _tags.GetGlobalTag(CharConstant.FromString("scnr"));
if (scnr != null)
{
_effects = new EffectInterop(scnr, reader, MetaArea, Allocator, _buildInfo, _expander);
}
}
}
private void LoadEffects(IReader reader)
{
if (_tags != null && _buildInfo.Layouts.HasLayout("scnr") && _buildInfo.Layouts.HasLayout("compiled effect entry"))
{
ITag scnr = _tags.GetImportantTag(CharConstant.FromString("scnr"));
if (scnr != null)
{
_effects = new EffectStorage(scnr, reader, MetaArea, Allocator, _buildInfo, _expander);
}
}
}
private void RevisionViewer()
{
if (_pluginVisitor != null && _pluginVisitor.PluginRevisions != null)
{
MetroPluginRevisionViewer.Show(_pluginVisitor.PluginRevisions, CharConstant.ToString(_tag.RawTag.Group.Magic));
}
else
{
MetroMessageBox.Show("Press RB to...wait...how'd you do that?",
"How did you load the plugin revision viewer before you loaded a plugin? wat.");
}
}
public HsdtScriptFile(ITag hsdtTag, string tagName, FileSegmentGroup metaArea, EngineDescription buildInfo, StringIDSource stringIDs, IPointerExpander expander)
{
if (CharConstant.ToString(hsdtTag.Group.Magic) != "hsdt")
{
throw new ArgumentException("Invalid tag. The tag must belong to the hsdt group.");
}
_hsdtTag = hsdtTag;
Name = tagName.Substring(tagName.LastIndexOf('\\') + 1) + ".hsc";
_metaArea = metaArea;
_buildInfo = buildInfo;
_stringIDs = stringIDs;
_expander = expander;
}
private static void MapLoadUnitTest()
{
string targetFile = Core.Util.VisualStudioProvider.TryGetSolutionDirectoryInfo().FullName + "\\" + TARGET_MAP_FILE;
using (BlamCacheFile blamCacheFile = new BlamCacheFile(targetFile))
{
const int VEHICLE_MODEL_OFFSET = 0x34;
ICacheFile cacheFile = blamCacheFile.Get();
IEnumerable <ITag> vehicleTags = cacheFile.Tags.FindTagsByGroup("vehi");
StructureLayout layout = blamCacheFile.BuildInfo.Layouts.GetLayout("tag reference");
foreach (ITag vehicleTag in vehicleTags)
{
string name = cacheFile.FileNames.GetTagName(vehicleTag);
//This is where in the memory region that the map exists a structure for the meta data exists
long tagRefPointer = vehicleTag.MetaLocation.AsOffset() + VEHICLE_MODEL_OFFSET;
blamCacheFile.Reader.SeekTo(tagRefPointer);
StructureValueCollection collection = StructureReader.ReadStructure(blamCacheFile.Reader, layout); //Try to read it
//Extract fields
ulong groupMagic = collection.GetInteger("tag group magic");
DatumIndex datumIndex = new DatumIndex(collection.GetInteger("datum index"));
//Is this a valid datum?
bool isValid = cacheFile.Tags.IsValidIndex(datumIndex);
ITag vehicleModelTag = cacheFile.Tags[datumIndex];
string vehicleModelName = cacheFile.FileNames.GetTagName(vehicleModelTag);
string group = CharConstant.ToString(vehicleModelTag.Group.Magic);
if (!TARGET_MODEL.Equals(vehicleModelName))
{
continue;
}
tagRefPointer = vehicleModelTag.MetaLocation.AsOffset();
blamCacheFile.Reader.SeekTo(tagRefPointer);
collection = StructureReader.ReadStructure(blamCacheFile.Reader, layout);
groupMagic = collection.GetInteger("tag group magic");
datumIndex = new DatumIndex(collection.GetInteger("datum index"));
isValid = cacheFile.Tags.IsValidIndex(datumIndex);
ITag vehicleRenderModelTag = cacheFile.Tags[datumIndex];
string renderModelTagName = CharConstant.ToString(vehicleRenderModelTag.Group.Magic);
BlamRenderModel warthogModel = new BlamRenderModel(vehicleRenderModelTag, blamCacheFile);
}
}
Logger.LogReport("MapLoadUnitTest: Success!");
}
public MetaEditor(EngineDescription buildInfo, TagEntry tag, MetaContainer parentContainer, TagHierarchy tags,
ICacheFile cache, IStreamManager streamManager, IRTEProvider rteProvider, Trie stringIDTrie)
{
InitializeComponent();
_parentMetaContainer = parentContainer;
_tag = tag;
_tags = tags;
_buildInfo = buildInfo;
_cache = cache;
_fileManager = streamManager;
_rteProvider = rteProvider;
_searchTimer = new Timer(SearchTimer);
_stringIdTrie = stringIDTrie;
// Load Plugin Path
string groupName = VariousFunctions.SterilizeTagGroupName(CharConstant.ToString(tag.RawTag.Group.Magic)).Trim();
_pluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("plugins"), groupName);
if (_buildInfo.Settings.PathExists("fallbackPlugins"))
{
_fallbackPluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("fallbackPlugins"), groupName);
}
// Set Option boxes
cbShowInvisibles.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInvisibles;
cbShowComments.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowComments;
cbShowInformation.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInformation;
cbEnumPrefix.SelectedIndex = (int)App.AssemblyStorage.AssemblySettings.PluginsEnumPrefix;
// Load Meta
RefreshEditor(MetaReader.LoadType.File);
// Load Info
lblTagName.Text = tag.TagFileName != null
? tag.TagFileName + "." + tag.GroupName
: "0x" + tag.RawTag.Index.Value.ToString("X");
lblDatum.Text = string.Format("{0}", tag.RawTag.Index);
lblAddress.Text = string.Format("0x{0:X8}", tag.RawTag.MetaLocation.AsPointer());
lblOffset.Text = string.Format("0x{0:X}", tag.RawTag.MetaLocation.AsOffset());
// Set init finished
hasInitFinished = true;
}
private void Load(IReader reader)
{
_header = LoadHeader(reader, out uint mask);
_tags = LoadTagTable(reader, mask);
_fileNames = LoadFileNames(reader);
_stringIDs = LoadStringIDs(reader);
//header doesn't contain a scenario path, but later engines do so might as well grab it
ITag scenario = _tags.GetGlobalTag(CharConstant.FromString("scnr"));
_header.ScenarioName = _fileNames.GetTagName(scenario.Index);
LoadScriptFiles();
}
public ScnrScriptFile(ITag scnrTag, string tagName, FileSegmentGroup metaArea, EngineDescription buildInfo, StringIDSource stringIDs, IPointerExpander expander, MetaAllocator allocator)
{
if (CharConstant.ToString(scnrTag.Group.Magic) != "scnr")
{
throw new ArgumentException("Invalid tag. The tag must belong to the scnr group.");
}
_scnrTag = scnrTag;
Name = tagName.Substring(tagName.LastIndexOf('\\') + 1) + ".hsc";;
_metaArea = metaArea;
_buildInfo = buildInfo;
_stringIDs = stringIDs;
_expander = expander;
_allocator = allocator;
}
private bool FindLanguageTable(out ITag tag, out StructureLayout layout)
{
tag = null;
layout = null;
if (_tags == null)
{
return(false);
}
if (_buildInfo.Layouts.HasLayout("matg"))
{
tag = _tags.GetGlobalTag(CharConstant.FromString("matg"));
layout = _buildInfo.Layouts.GetLayout("matg");
}
return(tag != null && layout != null && tag.MetaLocation != null);
}
private StructureValueCollection LoadHeader(StructureLayout headerLayout, IReader reader)
{
if (_metaArea == null)
{
return(null);
}
reader.SeekTo(_metaArea.Offset);
StructureValueCollection result = StructureReader.ReadStructure(reader, headerLayout);
if ((uint)result.GetInteger("magic") != CharConstant.FromString("tags"))
{
throw new ArgumentException("Invalid index table header magic. This map could be compressed, try the Compressor in the Tools menu before reporting.");
}
return(result);
}
private void LoadSoundResourceManager(IReader reader)
{
ITag ughTag = _tags.GetGlobalTag(CharConstant.FromString("ugh!"));
bool haveUghLayout = _buildInfo.Layouts.HasLayout("sound resource gestalt");
bool canLoadUgh = ughTag != null && ughTag.MetaLocation != null && haveUghLayout;
if (ughTag != null && ughTag.MetaLocation != null && haveUghLayout)
{
SoundResourceGestalt gestalt = null;
if (canLoadUgh)
{
gestalt = new SoundResourceGestalt(reader, ughTag, MetaArea, Allocator, _buildInfo, _expander);
}
_soundGestalt = new SoundResourceManager(gestalt, _tags, MetaArea, Allocator, _buildInfo, _expander);
}
}
public void VisitTagRef(TagRefData field)
{
SeekToOffset(field.Offset);
TagGroup tagGroup = null;
DatumIndex index;
if (field.WithGroup)
{
// Read the datum index based upon the layout
StructureValueCollection values = StructureReader.ReadStructure(_reader, _tagRefLayout);
index = new DatumIndex(values.GetInteger("datum index"));
// Check the group, in case the datum index is null
var magic = values.GetInteger("tag group magic");
var str = CharConstant.ToString((int)magic);
tagGroup = field.Tags.Groups.FirstOrDefault(c => c.TagGroupMagic == str);
}
else
{
// Just read the datum index at the current position
index = DatumIndex.ReadFrom(_reader);
}
TagEntry tag = null;
if (index.IsValid && index.Index < field.Tags.Entries.Count)
{
tag = field.Tags.Entries[index.Index];
if (tag == null || tag.RawTag == null || tag.RawTag.Index != index)
{
tag = null;
}
}
if (tag != null)
{
field.Group = field.Tags.Groups.FirstOrDefault(c => c.RawGroup == tag.RawTag.Group);
field.Value = tag;
}
else
{
field.Group = tagGroup;
field.Value = null;
}
}
private void Load(IReader reader)
{
_header = LoadHeader(reader, out uint primaryMask);
_tags = LoadTagTable(reader, primaryMask);
_fileNames = LoadFileNames(reader);
_stringIDs = LoadStringIDs(reader);
LoadLanguageGlobals(reader);
LoadScriptFiles();
LoadSimulationDefinitions(reader);
if (string.IsNullOrEmpty(_header.ScenarioName))
{
//header didn't contain a scenario path yet, but later engines do so might as well grab it
ITag scenario = _tags.GetGlobalTag(CharConstant.FromString("scnr"));
_header.ScenarioName = _fileNames.GetTagName(scenario.Index);
}
}
private StructureValueCollection LoadHeader(IReader reader)
{
if (_indexHeaderLocation == null)
{
return(null);
}
reader.SeekTo(_indexHeaderLocation.AsOffset());
StructureLayout headerLayout = _buildInfo.Layouts.GetLayout("index header");
StructureValueCollection result = StructureReader.ReadStructure(reader, headerLayout);
if (result.GetInteger("magic") != CharConstant.FromString("tags"))
{
throw new ArgumentException("Invalid index table header magic");
}
return(result);
}
private void LoadScriptFiles()
{
if (_tags != null)
{
ScriptFiles = new IScriptFile[0];
if (_buildInfo.Layouts.HasLayout("scnr"))
{
//caches are intended for 1 scenario, so only load the *real* one
ITag hs = _tags.GetGlobalTag(CharConstant.FromString("scnr"));
if (hs != null)
{
ScriptFiles = new IScriptFile[1];
ScriptFiles[0] = new ScnrScriptFile(hs, _fileNames.GetTagName(hs.Index), MetaArea, _buildInfo, StringIDs, _expander, Allocator);
}
}
}
}
public void LoadNewTagEntry(TagEntry tag)
{
_tag = tag;
// Load Plugin Path
string className = VariousFunctions.SterilizeTagClassName(CharConstant.ToString(_tag.RawTag.Class.Magic)).Trim();
_pluginPath = string.Format("{0}\\{1}\\{2}.xml", VariousFunctions.GetApplicationLocation() + @"Plugins",
_buildInfo.Settings.GetSetting <string>("plugins"), className);
// Set Option boxes
cbShowInvisibles.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInvisibles;
cbShowComments.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowComments;
cbShowEnumIndex.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowEnumIndex;
cbShowInformation.IsChecked = App.AssemblyStorage.AssemblySettings.PluginsShowInformation;
// Load Meta
RefreshEditor(MetaReader.LoadType.File);
}
/// <summary>
/// Jumps to the next block and reads its header.
/// The <see cref="BlockID" />, <see cref="BlockName" />, <see cref="BlockSize" />, and <see cref="BlockVersion" />
/// properties will be updated to hold information about the block.
/// </summary>
/// <returns><c>true</c> if another block was available, or <c>false</c> otherwise.</returns>
public bool NextBlock()
{
// If we're at the end of the parent block, then we're done here
if (_blockEnds.Count > 0 && _currentBlockEnd + BlockHeaderSize > _blockEnds.Peek())
{
return(false);
}
// Skip to the end of the current block
_reader.SeekTo(_currentBlockEnd);
// Read a new block header
BlockID = _reader.ReadUInt32();
BlockName = CharConstant.ToString((int)BlockID);
BlockSize = _reader.ReadInt32() - BlockHeaderSize;
BlockVersion = _reader.ReadByte();
_currentBlockEnd = _reader.Position + BlockSize;
return(true);
}
private void Load(IReader reader)
{
StructureValueCollection headerValues = LoadHeader(reader);
if (headerValues == null)
{
return;
}
var numGroups = (int)headerValues.GetInteger("number of tag groups");
uint groupTableOffset;
uint tagTableOffset;
var numTags = (int)headerValues.GetInteger("number of tags");
// xbox hax
if (headerValues.HasInteger("meta header mask"))
{
groupTableOffset = (uint)headerValues.GetInteger("tag group table offset") - (uint)headerValues.GetInteger("meta header mask") + (uint)_metaArea.Offset;
tagTableOffset = (uint)(_metaArea.Offset + (uint)headerValues.GetInteger("tag table offset")) - (uint)headerValues.GetInteger("meta header mask");
}
else
{
groupTableOffset = (uint)(_metaArea.Offset + (uint)headerValues.GetInteger("tag group table offset"));
tagTableOffset = (uint)(_metaArea.Offset + (uint)headerValues.GetInteger("tag table offset"));
}
// offsets are relative to the header
_groups = LoadGroups(reader, groupTableOffset, numGroups, _buildInfo);
_groupsById = BuildGroupLookup(_groups);
_tags = LoadTags(reader, tagTableOffset, numTags, _buildInfo, _metaArea);
_globalTags = new Dictionary <int, ITag>();
//store global tags
_globalTags[CharConstant.FromString("scnr")] = _tags[(int)headerValues.GetInteger("scenario datum index") & 0xFFFF];
if (headerValues.HasInteger("map globals datum index"))
{
_globalTags[CharConstant.FromString("matg")] = _tags[(int)headerValues.GetInteger("map globals datum index") & 0xFFFF];
}
}
private bool FindLanguageTable(out ITag tag, out StructureLayout layout)
{
tag = null;
layout = null;
if (_tags == null)
{
return(false);
}
// Check for a PATG tag, and if one isn't found, then use MATG
if (_buildInfo.Layouts.HasLayout("patg"))
{
tag = _tags.GetGlobalTag(CharConstant.FromString("patg"));
layout = _buildInfo.Layouts.GetLayout("patg");
}
if (tag == null && _buildInfo.Layouts.HasLayout("matg"))
{
tag = _tags.GetGlobalTag(CharConstant.FromString("matg"));
layout = _buildInfo.Layouts.GetLayout("matg");
}
return(tag != null && layout != null);
}
private void Load(IReader reader, StructureValueCollection headerValues, FileSegmentGroup metaArea,
EngineDescription buildInfo)
{
if ((uint)headerValues.GetInteger("magic") != CharConstant.FromString("tags"))
{
throw new ArgumentException("Invalid index table header magic");
}
// Groups
var numGroups = (int)headerValues.GetInteger("number of tag groups");
var groupTableOffset = (uint)(metaArea.Offset + (uint)headerValues.GetInteger("tag group table offset"));
// Offset is relative to the header
_groups = ReadGroups(reader, groupTableOffset, numGroups, buildInfo);
_groupsById = BuildGroupLookup(_groups);
// Tags
var numTags = (int)headerValues.GetInteger("number of tags");
var tagTableOffset = (uint)(metaArea.Offset + (uint)headerValues.GetInteger("tag table offset"));
// Offset is relative to the header
_tags = ReadTags(reader, tagTableOffset, numTags, buildInfo, metaArea);
}
private static CompressionState AnalyzeFirstGen(IReader reader, EngineDescription engineInfo)
{
reader.SeekTo(0);
StructureValueCollection headerValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("header"));
var metaOffset = (int)headerValues.GetInteger("meta offset");
if (metaOffset >= reader.Length)
{
return(CompressionState.Compressed);
}
reader.SeekTo(metaOffset);
StructureValueCollection tagTableValues = StructureReader.ReadStructure(reader, engineInfo.Layouts.GetLayout("meta header"));
if ((uint)tagTableValues.GetInteger("magic") != CharConstant.FromString("tags"))
{
return(CompressionState.Compressed);
}
return(CompressionState.Decompressed);
}