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Allocation-safe asset reading

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Try to not pre-allocate memory during asset reading
This commit is contained in:
VaDiM
2025-07-24 04:06:14 +03:00
parent 925f5c12a3
commit 35b24990c6
40 changed files with 617 additions and 706 deletions
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24
AssetStudioUtility/ModelConverter.cs
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@ -203,7 +203,7 @@ namespace AssetStudio
private ImportedFrame ConvertTransform(Transform trans)
{
var frame = new ImportedFrame(trans.m_Children.Length);
var frame = new ImportedFrame(trans.m_Children.Count);
transformDictionary.Add(trans, frame);
trans.m_GameObject.TryGet(out var m_GameObject);
frame.Name = m_GameObject.m_Name;
@ -286,7 +286,7 @@ namespace AssetStudio
iMesh.hasColor = mesh.m_Colors?.Length > 0;
int firstFace = 0;
for (int i = 0; i < mesh.m_SubMeshes.Length; i++)
for (int i = 0; i < mesh.m_SubMeshes.Count; i++)
{
int numFaces = (int)mesh.m_SubMeshes[i].indexCount / 3;
if (subHashSet.Count > 0 && !subHashSet.Contains(i))
@ -297,7 +297,7 @@ namespace AssetStudio
var submesh = mesh.m_SubMeshes[i];
var iSubmesh = new ImportedSubmesh();
Material mat = null;
if (i - firstSubMesh < meshR.m_Materials.Length)
if (i - firstSubMesh < meshR.m_Materials.Count)
{
if (meshR.m_Materials[i - firstSubMesh].TryGet(out var m_Material))
{
@ -410,16 +410,16 @@ namespace AssetStudio
* 2 - m_BoneNameHashes
*/
var boneType = 0;
if (sMesh.m_Bones.Length > 0)
if (sMesh.m_Bones.Count > 0)
{
if (sMesh.m_Bones.Length == mesh.m_BindPose.Length)
if (sMesh.m_Bones.Count == mesh.m_BindPose.Length)
{
var verifiedBoneCount = sMesh.m_Bones.Count(x => x.TryGet(out _));
if (verifiedBoneCount > 0)
{
boneType = 1;
}
if (verifiedBoneCount != sMesh.m_Bones.Length)
if (verifiedBoneCount != sMesh.m_Bones.Count)
{
//尝试使用m_BoneNameHashes 4.3 and up
if (mesh.m_BindPose.Length > 0 && (mesh.m_BindPose.Length == mesh.m_BoneNameHashes?.Length))
@ -449,7 +449,7 @@ namespace AssetStudio
if (boneType == 1)
{
var boneCount = sMesh.m_Bones.Length;
var boneCount = sMesh.m_Bones.Count;
iMesh.BoneList = new List<ImportedBone>(boneCount);
for (int i = 0; i < boneCount; i++)
{
@ -480,13 +480,13 @@ namespace AssetStudio
}
//Morphs
if (mesh.m_Shapes?.channels?.Length > 0)
if (mesh.m_Shapes?.channels?.Count > 0)
{
var morph = new ImportedMorph();
MorphList.Add(morph);
morph.Path = iMesh.Path;
morph.Channels = new List<ImportedMorphChannel>(mesh.m_Shapes.channels.Length);
for (int i = 0; i < mesh.m_Shapes.channels.Length; i++)
morph.Channels = new List<ImportedMorphChannel>(mesh.m_Shapes.channels.Count);
for (var i = 0; i < mesh.m_Shapes.channels.Count; i++)
{
var channel = new ImportedMorphChannel();
morph.Channels.Add(channel);
@ -501,7 +501,7 @@ namespace AssetStudio
channel.Name = shapeChannel.name.Split('.').Last();
channel.KeyframeList = new List<ImportedMorphKeyframe>(shapeChannel.frameCount);
var frameEnd = shapeChannel.frameIndex + shapeChannel.frameCount;
for (int frameIdx = shapeChannel.frameIndex; frameIdx < frameEnd; frameIdx++)
for (var frameIdx = shapeChannel.frameIndex; frameIdx < frameEnd; frameIdx++)
{
var keyframe = new ImportedMorphKeyframe();
channel.KeyframeList.Add(keyframe);
@ -890,7 +890,7 @@ namespace AssetStudio
{
var frame = streamedFrames[frameIndex];
var streamedValues = frame.keyList.Select(x => x.value).ToArray();
for (var curveIndex = 0; curveIndex < frame.keyList.Length;)
for (var curveIndex = 0; curveIndex < frame.keyList.Count;)
{
ReadCurveData(iAnim, m_ClipBindingConstant, frame.keyList[curveIndex].index, frame.time, streamedValues, 0, ref curveIndex);
}