fpopov thanks

This commit is contained in:
bird_egop
2026-05-09 20:36:43 +03:00
parent d73a6dde70
commit eb458ad9a8
43 changed files with 1562 additions and 1233 deletions
+88 -69
View File
@@ -7,17 +7,9 @@ public static class MaterialParser
{
public static MaterialFile ReadFromStream(Stream fs, string fileName, int elementCount, int magic1)
{
var file = new MaterialFile
{
FileName = fileName,
Version = elementCount,
Magic1 = magic1
};
// Derived fields
file.MaterialRenderingType = elementCount >> 2 & 0xf;
file.SupportsBumpMapping = (elementCount & 2) != 0;
file.IsParticleEffect = elementCount & 40;
var materialRenderingType = elementCount >> 2 & 0xf;
var supportsBumpMapping = (elementCount & 2) != 0;
var isParticleEffect = elementCount & 40;
// Reading content
var stageCount = fs.ReadUInt16LittleEndian();
@@ -25,113 +17,140 @@ public static class MaterialParser
uint magic = (uint)magic1;
// Defaults found in C code
file.GlobalAlphaMultiplier = 1.0f; // field8_0x15c
file.GlobalEmissiveIntensity = 0.0f; // field9_0x160
file.SourceBlendMode = BlendMode.Unknown; // field6_0x154
file.DestBlendMode = BlendMode.Unknown; // field7_0x158
// Значения по умолчанию из C-кода.
var globalAlphaMultiplier = 1.0f; // field8_0x15c
var globalEmissiveIntensity = 0.0f; // field9_0x160
var sourceBlendMode = BlendMode.Unknown; // field6_0x154
var destBlendMode = BlendMode.Unknown; // field7_0x158
if (magic >= 2)
{
file.SourceBlendMode = (BlendMode)fs.ReadByte();
file.DestBlendMode = (BlendMode)fs.ReadByte();
sourceBlendMode = (BlendMode)fs.ReadByte();
destBlendMode = (BlendMode)fs.ReadByte();
}
if (magic > 2)
{
file.GlobalAlphaMultiplier = fs.ReadFloatLittleEndian();
globalAlphaMultiplier = fs.ReadFloatLittleEndian();
}
if (magic > 3)
{
file.GlobalEmissiveIntensity = fs.ReadFloatLittleEndian();
globalEmissiveIntensity = fs.ReadFloatLittleEndian();
}
// --- 2. Material Stages ---
// Стадии материала.
const float Inv255 = 1.0f / 255.0f;
const float Field7Mult = 0.01f;
Span<byte> textureNameBuffer = stackalloc byte[16];
List<MaterialStage> stages = [];
for (int i = 0; i < stageCount; i++)
{
var stage = new MaterialStage();
// === FILE READ ORDER (matches decompiled.c lines 159-217) ===
// Порядок чтения соответствует файлу, а не C struct layout.
// 1. Ambient (4 bytes, A scaled by 0.01) - Lines 159-168
stage.AmbientR = fs.ReadByte() * Inv255;
stage.AmbientG = fs.ReadByte() * Inv255;
stage.AmbientB = fs.ReadByte() * Inv255;
stage.AmbientA = fs.ReadByte() * Field7Mult; // 0.01 scaling
// Ambient: 4 байта, A масштабируется на 0.01.
var ambientR = fs.ReadByte() * Inv255;
var ambientG = fs.ReadByte() * Inv255;
var ambientB = fs.ReadByte() * Inv255;
var ambientA = fs.ReadByte() * Field7Mult; // 0.01 scaling
// 2. Diffuse (4 bytes) - Lines 171-180
stage.DiffuseR = fs.ReadByte() * Inv255;
stage.DiffuseG = fs.ReadByte() * Inv255;
stage.DiffuseB = fs.ReadByte() * Inv255;
stage.DiffuseA = fs.ReadByte() * Inv255;
// Diffuse: 4 байта.
var diffuseR = fs.ReadByte() * Inv255;
var diffuseG = fs.ReadByte() * Inv255;
var diffuseB = fs.ReadByte() * Inv255;
var diffuseA = fs.ReadByte() * Inv255;
// 3. Specular (4 bytes) - Lines 183-192
stage.SpecularR = fs.ReadByte() * Inv255;
stage.SpecularG = fs.ReadByte() * Inv255;
stage.SpecularB = fs.ReadByte() * Inv255;
stage.SpecularA = fs.ReadByte() * Inv255;
// Specular: 4 байта.
var specularR = fs.ReadByte() * Inv255;
var specularG = fs.ReadByte() * Inv255;
var specularB = fs.ReadByte() * Inv255;
var specularA = fs.ReadByte() * Inv255;
// 4. Emissive (4 bytes) - Lines 195-204
stage.EmissiveR = fs.ReadByte() * Inv255;
stage.EmissiveG = fs.ReadByte() * Inv255;
stage.EmissiveB = fs.ReadByte() * Inv255;
stage.EmissiveA = fs.ReadByte() * Inv255;
// Emissive: 4 байта.
var emissiveR = fs.ReadByte() * Inv255;
var emissiveG = fs.ReadByte() * Inv255;
var emissiveB = fs.ReadByte() * Inv255;
var emissiveA = fs.ReadByte() * Inv255;
// 5. Power (1 byte → float) - Line 207
stage.Power = (float)fs.ReadByte();
// Power: 1 байт -> float.
var power = (float)fs.ReadByte();
// 6. Texture Stage Index (1 byte) - Line 210
stage.TextureStageIndex = fs.ReadByte();
// Texture stage index: 1 байт.
var textureStageIndex = fs.ReadByte();
// 7. Texture Name (16 bytes) - Lines 212-217
// Texture name: 16 байт.
textureNameBuffer.Clear();
fs.ReadExactly(textureNameBuffer);
stage.TextureName = Encoding.ASCII.GetString(textureNameBuffer).TrimEnd('\0');
var textureName = Encoding.ASCII.GetString(textureNameBuffer).TrimEnd('\0');
file.Stages.Add(stage);
stages.Add(new MaterialStage(
ambientR,
ambientG,
ambientB,
ambientA,
diffuseR,
diffuseG,
diffuseB,
diffuseA,
specularR,
specularG,
specularB,
specularA,
emissiveR,
emissiveG,
emissiveB,
emissiveA,
power,
textureStageIndex,
textureName));
}
// --- 3. Animations ---
// Анимации.
List<MaterialAnimation> animations = [];
for (int i = 0; i < animCount; i++)
{
var anim = new MaterialAnimation();
uint typeAndParams = fs.ReadUInt32LittleEndian();
anim.Target = (AnimationTarget)(typeAndParams >> 3);
anim.LoopMode = (AnimationLoopMode)(typeAndParams & 7);
var target = (AnimationTarget)(typeAndParams >> 3);
var loopMode = (AnimationLoopMode)(typeAndParams & 7);
ushort keyCount = fs.ReadUInt16LittleEndian();
List<AnimKey> keys = [];
for (int k = 0; k < keyCount; k++)
{
var key = new AnimKey
{
StageIndex = fs.ReadUInt16LittleEndian(),
DurationMs = fs.ReadUInt16LittleEndian(),
InterpolationCurve = fs.ReadUInt16LittleEndian()
};
anim.Keys.Add(key);
keys.Add(new AnimKey(
fs.ReadUInt16LittleEndian(),
fs.ReadUInt16LittleEndian(),
fs.ReadUInt16LittleEndian()));
}
// Precompute description for UI to avoid per-frame allocations
anim.TargetDescription = ComputeTargetDescription(anim.Target);
// Описание вычисляется один раз при парсинге, чтобы UI не выделял память каждый кадр.
var targetDescription = ComputeTargetDescription(target);
file.Animations.Add(anim);
animations.Add(new MaterialAnimation(target, loopMode, keys, targetDescription));
}
return file;
return new MaterialFile(
fileName,
elementCount,
magic1,
materialRenderingType,
supportsBumpMapping,
isParticleEffect,
sourceBlendMode,
destBlendMode,
globalAlphaMultiplier,
globalEmissiveIntensity,
stages,
animations);
}
private static string ComputeTargetDescription(AnimationTarget target)
{
// Precompute the description once during parsing
if ((int)target == 0)
return "No interpolation - entire stage is copied as-is (Flags: 0x0)";
return "Без интерполяции - вся стадия копируется как есть (Flags: 0x0)";
var parts = new List<string>();
@@ -146,7 +165,7 @@ public static class MaterialParser
if ((target & AnimationTarget.Power) != 0)
parts.Add("Ambient.A + Power");
return $"Interpolates: {string.Join(", ", parts)} | Other components copied (Flags: 0x{(int)target:X})";
return $"Интерполируется: {string.Join(", ", parts)} | Остальные компоненты копируются (Flags: 0x{(int)target:X})";
}
}