/// <summary>
/// Initializes a new instance of the <see cref="HaloModel"/> class.
/// </summary>
/// <param name="entry">The model Halo 2 index entry.</param>
public HaloModel(MapFile map, IndexEntry entry)
{
//Check
if (map == null)
{
throw new ArgumentNullException(nameof(map));
}
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
else if (entry.Root != HaloTags.mode)
{
throw new ArgumentException("Index entry is not render model.", nameof(entry));
}
//Setup
this.map = map;
this.entry = entry;
tag = new ModelTag(entry);
meshes = new Mesh[tag.Regions.Length][][];
//Setup property accessors
compressionInfo = new CompressionInfoProperties(this);
regions = new RegionProperties[tag.Regions.Length];
for (int i = 0; i < tag.Regions.Length; i++)
{
regions[i] = new RegionProperties(this, i);
}
permutations = new PermutationProperties[tag.Regions.Length][];
for (int i = 0; i < tag.Regions.Length; i++)
{
permutations[i] = new PermutationProperties[tag.Permutations[i].Length];
for (int j = 0; j < tag.Permutations[i].Length; j++)
{
permutations[i][j] = new PermutationProperties(this, i, j);
}
}
sections = new SectionProperties[tag.Sections.Length];
for (int i = 0; i < tag.Sections.Length; i++)
{
sections[i] = new SectionProperties(this, i);
}
resources = new ResourceProperties[tag.Sections.Length][];
for (int i = 0; i < tag.Sections.Length; i++)
{
resources[i] = new ResourceProperties[tag.Resources[i].Length];
for (int j = 0; j < tag.Resources[i].Length; j++)
{
resources[i][j] = new ResourceProperties(this, i, j);
}
}
//Loop through regions
for (int r = 0; r < tag.Regions.Length; r++)
{
//Setup
ModelTagGroup.Region region = tag.Regions[r];
meshes[r] = new Mesh[region.Permutations.Count][];
//Loop through permutations
for (int p = 0; p < region.Permutations.Count; p++)
{
//Setup
ModelTagGroup.Region.Permutation permutation = tag.Permutations[r][p];
meshes[r][p] = new Mesh[6];
//Loop through LODs
byte[] sourceData = null;
for (int l = 0; l < 6; l++)
{
//Get source data
int sectionIndex = -1;
switch (l)
{
case 0: sectionIndex = permutation.L1SectionIndex; break;
case 1: sectionIndex = permutation.L2SectionIndex; break;
case 2: sectionIndex = permutation.L3SectionIndex; break;
case 3: sectionIndex = permutation.L4SectionIndex; break;
case 4: sectionIndex = permutation.L5SectionIndex; break;
case 5: sectionIndex = permutation.L6SectionIndex; break;
}
//Check
if (sectionIndex >= 0 && sectionIndex < sections.Length)
{
//Get properties
ModelTagGroup.Section section = tag.Sections[sectionIndex];
//Check
if (section.RawOffset != uint.MaxValue)
{
RawLocation rawLocation = (RawLocation)(section.RawOffset & 0xC0000000);
if (rawLocation == RawLocation.Local)
{
sourceData = entry.Raws[RawSection.Model][(int)section.RawOffset].ToArray();
}
else
{
string fileLocation = string.Empty;
int rawOffset = (int)(section.RawOffset & (uint)RawLocation.LocalMask);
switch (rawLocation)
{
case RawLocation.Shared:
fileLocation = HaloSettings.SharedPath;
break;
case RawLocation.Mainmenu:
fileLocation = HaloSettings.MainmenuPath;
break;
case RawLocation.SinglePlayerShared:
fileLocation = HaloSettings.SingleplayerSharedPath;
break;
}
//Check
if (File.Exists(fileLocation))
{
using (FileStream fs = new FileStream(fileLocation, FileMode.Open))
using (BinaryReader mapReader = new BinaryReader(fs))
{
fs.Seek(rawOffset, SeekOrigin.Begin);
sourceData = mapReader.ReadBytes((int)section.RawSize);
}
}
}
}
//Set
if (sourceData.Length == 0)
{
continue;
}
//Dump
try
{
using (FileStream fs = new FileStream(@"F:\model.bin", FileMode.Create, FileAccess.ReadWrite, FileShare.Read))
fs.Write(sourceData, 0, sourceData.Length);
}
catch { }
//Create Mesh
meshes[r][p][l] = Mesh.Halo2Mesh(resources[sectionIndex], sourceData);
}
}
}
}
}
/// <summary>
/// Queries virtual pages from the OS to dertermine if any allocations or deallocations have happened.
/// </summary>
/// <returns>The collected pages.</returns>
private IEnumerable <RegionProperties> CollectNewPages()
{
List <RegionProperties> newRegions = new List <RegionProperties>();
// Gather current regions from the target process
IEnumerable <NormalizedRegion> queriedVirtualRegions = SnapshotManager.GetInstance().CollectSnapshotRegions();
List <NormalizedRegion> queriedChunkedRegions = new List <NormalizedRegion>();
// Chunk all virtual regions into a standardized size
queriedVirtualRegions.ForEach(x => queriedChunkedRegions.AddRange(x.ChunkNormalizedRegion(ChunkLinkedListPrefilter.ChunkSize)));
// Sort our lists (descending)
IOrderedEnumerable <NormalizedRegion> queriedRegionsSorted = queriedChunkedRegions.OrderByDescending(x => x.BaseAddress.ToUInt64());
IOrderedEnumerable <RegionProperties> currentRegionsSorted;
lock (this.ChunkLock)
{
currentRegionsSorted = this.ChunkList.OrderByDescending(x => x.BaseAddress.ToUInt64());
}
// Create comparison stacks
Stack <RegionProperties> currentRegionStack = new Stack <RegionProperties>();
Stack <NormalizedRegion> queriedRegionStack = new Stack <NormalizedRegion>();
currentRegionsSorted.ForEach(x => currentRegionStack.Push(x));
queriedRegionsSorted.ForEach(x => queriedRegionStack.Push(x));
// Begin stack based comparison algorithm to resolve our chunk processing queue
NormalizedRegion queriedRegion = queriedRegionStack.Count == 0 ? null : queriedRegionStack.Pop();
RegionProperties currentRegion = currentRegionStack.Count == 0 ? null : currentRegionStack.Pop();
while (queriedRegionStack.Count > 0 && currentRegionStack.Count > 0)
{
if (queriedRegion < currentRegion)
{
// New region we have not seen yet
newRegions.Add(new RegionProperties(queriedRegion));
queriedRegion = queriedRegionStack.Pop();
}
else if (queriedRegion > currentRegion)
{
// Region that went missing (deallocated)
currentRegion = currentRegionStack.Pop();
}
else
{
// Region we have already seen
queriedRegion = queriedRegionStack.Pop();
currentRegion = currentRegionStack.Pop();
}
}
// Add remaining queried regions
while (queriedRegionStack.Count > 0)
{
newRegions.Add(new RegionProperties(queriedRegion));
queriedRegion = queriedRegionStack.Pop();
}
return(newRegions);
}