private ScriptExpressionTable LoadSyntax(IReader reader, StructureValueCollection values,
StringTableReader stringReader)
{
var stringsSize = (int)values.GetInteger("script string table size");
var tableSize = (int)values.GetInteger("script syntax table size");
uint tableAddress = (uint)values.GetInteger("script syntax table address");
long expand = _expander.Expand(tableAddress);
StructureLayout headerLayout = _buildInfo.Layouts.GetLayout("script syntax table header");
StructureValueCollection[] headerEntry = TagBlockReader.ReadTagBlock(reader, 1, expand, headerLayout, _metaArea);
int count = (int)headerEntry[0].GetInteger("element count");
StructureLayout layout = _buildInfo.Layouts.GetLayout("script syntax table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand + headerLayout.Size, layout, _metaArea);
var result = new ScriptExpressionTable();
result.AddExpressions(entries.Select((e, i) => new ScriptExpression(e, (ushort)i, stringReader, stringsSize)));
foreach (ScriptExpression expr in result.Where(expr => expr != null))
{
expr.ResolveReferences(result);
}
return(result);
}
private List <ITagGroup> LoadTagGroups(IReader reader, StructureValueCollection headerValues)
{
var count = (int)headerValues.GetInteger("number of tag groups");
long address = (long)headerValues.GetInteger("tag group table address");
StructureLayout layout = _buildInfo.Layouts.GetLayout("tag group element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, _metaArea);
return(entries.Select <StructureValueCollection, ITagGroup>(e => new ThirdGenTagGroup(e)).ToList());
}
private void LoadSoundNames(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea, EngineDescription buildInfo)
{
var count = (int)values.GetInteger("number of sound names");
var address = (uint)values.GetInteger("sound name table address");
var layout = buildInfo.Layouts.GetLayout("sound names");
var entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, metaArea);
SoundNames = entries.Select(e => new StringID(e.GetInteger("name index"))).ToArray();
}
private void LoadSoundPlaybacks(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea, EngineDescription buildInfo)
{
var count = (int)values.GetInteger("number of playbacks");
var address = (uint)values.GetInteger("playback table address");
var layout = buildInfo.Layouts.GetLayout("sound playbacks");
var entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, metaArea);
SoundPlaybacks = (from entry in entries
select new ThirdGenSoundPlayback(entry, SoundNames)).ToArray <ISoundPlayback>();
}
private List <ScriptGlobal> LoadVariables(IReader reader, StructureValueCollection values)
{
int count = (int)values.GetInteger("number of script variables");
uint address = (uint)values.GetInteger("script variable table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("script variable element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => new ScriptGlobal(e, _stringIDs)).ToList());
}
private List <ITag> LoadTags(IReader reader, StructureValueCollection headerValues, IList <ITagGroup> groups)
{
var count = (int)headerValues.GetInteger("number of tags");
long address = (long)headerValues.GetInteger("tag table address");
StructureLayout layout = _buildInfo.Layouts.GetLayout("tag element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, _metaArea);
return
(entries.Select <StructureValueCollection, ITag>((e, i) => new ThirdGenTag(e, (ushort)i, _metaArea, groups, _expander))
.ToList());
}
private StructureValueCollection[] ReadTagBlock(StructureValueCollection values, IReader reader, string countName, string addressName, string layoutName)
{
var count = (int)values.GetInteger(countName);
uint address = (uint)values.GetInteger(addressName);
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout(layoutName);
return(TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea));
}
private List <Script> LoadScripts(IReader reader, StructureValueCollection values)
{
int count = (int)values.GetInteger("number of scripts");
uint address = (uint)values.GetInteger("script table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("script element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
var result = entries.Select(e => new Script(e, reader, _metaArea, _stringIDs, _buildInfo, _expander)).ToList();
return(result);
}
private void LoadPermutations(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea,
EngineDescription buildInfo)
{
var count = (int)values.GetInteger("number of permutations");
uint address = (uint)values.GetInteger("permutation table address");
StructureLayout layout = buildInfo.Layouts.GetLayout("model permutation");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, metaArea);
Permutations = (from entry in entries
select new ThirdGenModelPermutation(entry)).ToArray();
}
private void LoadBoundingBoxes(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea,
EngineDescription buildInfo)
{
var count = (int)values.GetInteger("number of bounding boxes");
uint address = (uint)values.GetInteger("bounding box table address");
StructureLayout layout = buildInfo.Layouts.GetLayout("model bounding box");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, 1, address, layout, metaArea);
BoundingBoxes = (from entry in entries
select BoundingBox.Deserialize(entry)).ToArray();
}
private void LoadRegions(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea,
EngineDescription buildInfo)
{
var count = (int)values.GetInteger("number of regions");
long address = (long)owningCacheFile.PointerExpander.Expand((uint)values.GetInteger("region table address"));
StructureLayout layout = buildInfo.Layouts.GetLayout("model region");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, metaArea);
Regions = (from entry in entries
select new ThirdGenModelRegion(entry, reader, metaArea, buildInfo)).ToArray();
}
private ThirdGenCacheFileReference[] LoadExternalFiles(StructureValueCollection values, IReader reader)
{
var count = (int)values.GetInteger("number of external cache files");
uint address = (uint)values.GetInteger("external cache file table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("external cache file table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => new ThirdGenCacheFileReference(e)).ToArray());
}
private void LoadVertexGroups(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea,
EngineDescription buildInfo, IModelSubmesh[] submeshes)
{
var count = (int)values.GetInteger("number of vertex groups");
uint address = (uint)values.GetInteger("vertex group table address");
StructureLayout layout = buildInfo.Layouts.GetLayout("model vertex group");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, metaArea);
VertexGroups = (from entry in entries
select new ThirdGenModelVertexGroup(entry, submeshes)).ToArray();
}
private IList <ScriptParameter> LoadParameters(IReader reader, StructureValueCollection values,
FileSegmentGroup metaArea, EngineDescription buildInfo, IPointerExpander expander)
{
var count = (int)values.GetInteger("number of parameters");
uint address = (uint)values.GetInteger("address of parameter list");
long expand = expander.Expand(address);
StructureLayout layout = buildInfo.Layouts.GetLayout("script parameter element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, metaArea);
return(entries.Select(e => new ScriptParameter(e)).ToList());
}
public IEnumerable <ResourcePointer> LoadPointers(IReader reader, IList <ResourcePage> pages, IList <ResourceSize> sizes)
{
StructureValueCollection values = LoadTag(reader);
var count = (int)values.GetInteger("number of raw segments");
uint address = (uint)values.GetInteger("raw segment table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("raw segment table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => LoadPointer(e, pages, sizes)));
}
public List <ResourceSize> LoadSizes(IReader reader)
{
StructureValueCollection values = LoadTag(reader);
var count = (int)values.GetInteger("number of raw sizes");
uint address = (uint)values.GetInteger("raw size table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("raw size table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select((e, i) => LoadSize(e, i, reader)).ToList());
}
/// <summary>
/// Reads all child objects of this block.
/// </summary>
/// <param name="values">The values read from the parent.</param>
/// <param name="reader">The stream to read from.</param>
/// <param name="metaArea">The meta area of the cache file.</param>
/// <param name="stringIDs">The string ID source for the cache file.</param>
/// <param name="buildInfo">The build info for the cache file.</param>
/// <returns>The objects that were read.</returns>
public ScriptObject[] ReadObjects(StructureValueCollection values, IReader reader, FileSegmentGroup metaArea,
StringIDSource stringIDs, EngineDescription buildInfo, IPointerExpander expander)
{
var count = (int)values.GetInteger(_countEntryName);
uint address = (uint)values.GetInteger(_addressEntryName);
long expand = expander.Expand(address);
StructureLayout layout = buildInfo.Layouts.GetLayout(_layoutName);
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, metaArea);
return(entries.Select(e => ReadScriptObject(e, reader, metaArea, stringIDs, buildInfo, expander)).ToArray());
}
private void Load(IReader reader)
{
reader.SeekTo(_scenario.MetaLocation.AsOffset());
var scenarioLayout = _buildInfo.Layouts.GetLayout("scnr");
var scenarioData = StructureReader.ReadStructure(reader, scenarioLayout);
var count = (int)scenarioData.GetInteger("simulation definition table count");
var address = (uint)scenarioData.GetInteger("simulation definition table address");
var entryLayout = _buildInfo.Layouts.GetLayout("simulation definition table element");
_table = TagBlockReader.ReadTagBlock(reader, count, address, entryLayout, _metaArea).Select((e) => _tags[new DatumIndex(e.GetInteger("datum index"))]).ToList();
}
public IEnumerable <ResourcePage> LoadPages(IReader reader)
{
StructureValueCollection values = LoadTag(reader);
ThirdGenCacheFileReference[] files = LoadExternalFiles(values, reader);
var count = (int)values.GetInteger("number of raw pages");
uint address = (uint)values.GetInteger("raw page table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("raw page table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select((e, i) => LoadPage(e, i, files)));
}
private IEnumerable <ResourceSizePart> LoadSizeParts(StructureValueCollection values, IReader reader)
{
var count = (int)values.GetInteger("number of size parts");
uint address = (uint)values.GetInteger("size part table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("size part table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => new ResourceSizePart
{
Offset = (int)e.GetInteger("offset"),
Size = (int)e.GetInteger("size")
}));
}
private IEnumerable <ResourceDefinitionFixup> LoadDefinitionFixups(StructureValueCollection values, IReader reader)
{
var count = (int)values.GetInteger("number of definition fixups");
uint address = (uint)values.GetInteger("definition fixup table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("definition fixup element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => new ResourceDefinitionFixup
{
Offset = (int)e.GetInteger("offset"),
Type = (int)e.GetInteger("type index")
}));
}
private IEnumerable <ThirdGenZoneSet> ReadZoneSetTable(StructureValueCollection tagValues, string countName, string addressName, IReader reader)
{
if (!tagValues.HasInteger(countName) || !tagValues.HasInteger(addressName))
{
return(Enumerable.Empty <ThirdGenZoneSet>());
}
var count = (int)tagValues.GetInteger(countName);
uint address = (uint)tagValues.GetInteger(addressName);
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("zone set definition");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(entries.Select(e => new ThirdGenZoneSet(e, reader, _metaArea, _expander)));
}
private void LoadResourceTypes(StructureValueCollection values, IReader reader, StringIDSource stringIDs)
{
if (!values.HasInteger("number of resource types") || !values.HasInteger("resource type table address"))
{
return;
}
var count = (int)values.GetInteger("number of resource types");
uint address = (uint)values.GetInteger("resource type table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("resource type element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
_resourceTypes = entries.Select(e => new ThirdGenResourceType(e, stringIDs)).ToArray();
}
private Dictionary <int, ITag> LoadGlobalTags(IReader reader, StructureValueCollection headerValues, List <ITag> tags)
{
var count = (int)headerValues.GetInteger("number of global tags");
long address = (long)headerValues.GetInteger("global tag table address");
StructureLayout layout = _buildInfo.Layouts.GetLayout("global tag element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, address, layout, _metaArea);
Dictionary <int, ITag> output = new Dictionary <int, ITag>();
foreach (StructureValueCollection ent in entries)
{
output[(int)ent.GetInteger("tag group magic")] = tags[(int)ent.GetInteger("datum index") & 0xFFFF];
}
return(output);
}
private ScriptObject[] ReadPointSets(IReader reader, StructureValueCollection values)
{
// Point sets are nested in another block for whatever reason
// Seems like the length of the outer is always 1, so just take the first element and process it
var count = (int)values.GetInteger("point set data count");
if (count == 0)
{
return(new ScriptObject[0]);
}
uint address = (uint)values.GetInteger("point set data address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("point set data element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
return(ReadObjects(reader, entries.First(), _pointSets));
}
private void FreeZoneSetsInTable(StructureValueCollection tagValues, string countName, string addressName, IReader reader)
{
if (!tagValues.HasInteger(countName) || !tagValues.HasInteger(addressName))
{
return;
}
var count = (int)tagValues.GetInteger(countName);
uint address = (uint)tagValues.GetInteger(addressName);
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("zone set definition");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
foreach (StructureValueCollection entry in entries)
{
ThirdGenZoneSet.Free(entry, _allocator, _expander);
}
}
private void FreeResources(StructureValueCollection values, IReader reader)
{
var count = (int)values.GetInteger("number of resources");
uint address = (uint)values.GetInteger("resource table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("resource table element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
foreach (StructureValueCollection entry in entries)
{
FreeResource(entry);
}
int size = count * layout.Size;
if (expand >= 0 && size > 0)
{
_allocator.Free(expand, size);
}
}
private ScriptExpressionTable LoadExpressions(IReader reader, StructureValueCollection values,
StringTableReader stringReader)
{
var count = (int)values.GetInteger("number of script expressions");
uint address = (uint)values.GetInteger("script expression table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("script expression element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, count, expand, layout, _metaArea);
var result = new ScriptExpressionTable();
result.AddExpressions(entries.Select((e, i) => new ScriptExpression(e, (ushort)i, stringReader)));
foreach (ScriptExpression expr in result.Where(expr => expr != null))
{
expr.ResolveReferences(result);
}
return(result);
}
/// <summary>
/// Frees the old Script Parameters and writes new ones to the stream.
/// </summary>
/// <param name="data">The new script data</param>
/// <param name="stream">The stream to write to</param>
/// <param name="scnr">scnr Meta Data</param>
/// <returns>A dictionary containing the hashes of parameter groups an their new addresses.</returns>
private Dictionary <int, uint> WriteParams(ScriptData data, IStream stream, StructureValueCollection scnr)
{
StructureLayout scrlayout = _buildInfo.Layouts.GetLayout("script element");
StructureLayout paramlayout = _buildInfo.Layouts.GetLayout("script parameter element");
int oldScriptCount = (int)scnr.GetInteger("number of scripts");
uint oldScriptAddress = (uint)scnr.GetInteger("script table address");
long expOldScriptAddress = _expander.Expand(oldScriptAddress);
int oldParamSize = 0;
StructureValueCollection[] oldScripts = TagBlockReader.ReadTagBlock(stream, oldScriptCount, expOldScriptAddress, scrlayout, _metaArea);
HashSet <uint> freedParamAddresses = new HashSet <uint>();
int oldTotalParamCount = 0;
// loop through old scripts
for (int i = 0; i < oldScripts.Length; i++)
{
int paramCount = (int)oldScripts[i].GetInteger("number of parameters");
uint addr = (uint)oldScripts[i].GetInteger("address of parameter list");
oldTotalParamCount += paramCount;
// free params
if (addr != 0 && !freedParamAddresses.Contains(addr))
{
long exp = _expander.Expand(addr);
int blockSize = paramCount * paramlayout.Size;
_allocator.Free(exp, blockSize);
oldParamSize += blockSize;
freedParamAddresses.Add(addr);
}
}
int newTotalParamCount = 0;
int newParamSize = 0;
Dictionary <int, uint> newParamAddresses = new Dictionary <int, uint>();
// loop through new scripts
foreach (var scr in data.Scripts)
{
int count = scr.Parameters.Count;
if (count > 0)
{
int paramHash = SequenceHash.GetSequenceHashCode(scr.Parameters);
if (!newParamAddresses.ContainsKey(paramHash))
{
long newAddr = _allocator.Allocate(paramlayout.Size * count, stream);
uint conNewAddr = _expander.Contract(newAddr);
stream.SeekTo(_metaArea.PointerToOffset(newAddr));
// write params to stream
foreach (var par in scr.Parameters)
{
par.Write(stream);
}
newParamAddresses.Add(paramHash, conNewAddr);
newParamSize += scr.Parameters.Count * 36;
}
}
newTotalParamCount += scr.Parameters.Count;
}
return(newParamAddresses);
}
private Resource LoadResource(StructureValueCollection values, int index, TagTable tags,
IList <ResourcePointer> pointers, byte[] infoBuffer, IReader reader)
{
var result = new Resource();
var parentTag = new DatumIndex(values.GetInteger("parent tag datum index"));
result.ParentTag = parentTag.IsValid ? tags[parentTag] : null;
var salt = (ushort)values.GetInteger("datum index salt");
result.Index = new DatumIndex(salt, (ushort)index);
var typeIndex = (int)values.GetInteger("resource type index");
if (typeIndex >= 0 && typeIndex < _resourceTypes.Length)
{
result.Type = _resourceTypes[typeIndex].Name;
}
result.Flags = (uint)values.GetInteger("flags");
var infoSize = (int)values.GetInteger("resource info size");
if (infoSize > 0)
{
var infoOffset = 0;
if (values.HasInteger("number of resource info offsets")) //for h4
{
var infocount = (int)values.GetInteger("number of resource info offsets");
uint address = (uint)values.GetInteger("resource info offsets table address");
long expand = _expander.Expand(address);
StructureLayout layout = _buildInfo.Layouts.GetLayout("resource info offset element");
StructureValueCollection[] entries = TagBlockReader.ReadTagBlock(reader, infocount, expand, layout, _metaArea);
if (infocount > 0)
{
infoOffset = (int)entries[0].GetInteger("offset");
}
}
else
{
infoOffset = (int)values.GetInteger("resource info offset");
}
// Copy the section of the info buffer that the resource is pointing to
result.Info = new byte[infoSize];
Buffer.BlockCopy(infoBuffer, infoOffset, result.Info, 0, infoSize);
}
result.ResourceBits = (ushort)values.GetInteger("resource bits");
var segmentIndex = (int)values.GetInteger("segment index");
result.Location = (segmentIndex >= 0) ? pointers[segmentIndex] : null;
result.BaseDefinitionAddress = (int)values.GetInteger("base definition address");
result.ResourceFixups.AddRange(LoadResourceFixups(values, reader));
result.DefinitionFixups.AddRange(LoadDefinitionFixups(values, reader));
return(result);
}
