重构项目，现支持多线程操作

2026-06-20 18:03:34 +08:00
parent db3be495d7
commit 0e0bf9b357
266 changed files with 2919 additions and 5783 deletions
--- a/src/Decoder/TexDecoder.cpp
+++ b/src/Decoder/TexDecoder.cpp
@ -0,0 +1,75 @@
+#include "TexDecoder.h"
+#include "ImageReader.h"
+
+namespace PKG {
+
+// TEX 文件结构：
+//   [magic1:NString(16)] "TEXV0005"
+//   [magic2:NString(16)] "TEXI0001"
+//   [format:int32]       TexFormat
+//   [flags:int32]        TexType 标志位
+//   [texW:int32][texH:int32]    纹理尺寸
+//   [imgW:int32][imgH:int32]    图像尺寸
+//   [unk:uint32]
+//   <TexImageContainer>         图像数据（TEXB 块）
+Result<Tex> TexDecoder::Decode(StreamReader& reader) {
+    Tex tex{};
+
+    // 校验魔数
+    auto magic1Res = reader.ReadNString(16);
+    if (!magic1Res)
+        return Fail<Tex>(magic1Res.error.code, magic1Res.error.message);
+    tex.Magic1 = *magic1Res;
+    if (tex.Magic1 != "TEXV0005")
+        return Fail<Tex>(ErrorCode::BadMagic, "Invalid TEX magic1: " + tex.Magic1);
+
+    auto magic2Res = reader.ReadNString(16);
+    if (!magic2Res)
+        return Fail<Tex>(magic2Res.error.code, magic2Res.error.message);
+    tex.Magic2 = *magic2Res;
+    if (tex.Magic2 != "TEXI0001")
+        return Fail<Tex>(ErrorCode::BadMagic, "Invalid TEX magic2: " + tex.Magic2);
+
+    // 读取头部字段
+    auto formatRes = reader.ReadInt32();
+    if (!formatRes) return Fail<Tex>(formatRes.error.code, formatRes.error.message);
+    tex.Header.Format = static_cast<TexFormat>(*formatRes);
+
+    auto flagsRes = reader.ReadInt32();
+    if (!flagsRes) return Fail<Tex>(flagsRes.error.code, flagsRes.error.message);
+    tex.Header.Flags = static_cast<TexType>(*flagsRes);
+
+    auto texWidthRes = reader.ReadInt32();
+    if (!texWidthRes) return Fail<Tex>(texWidthRes.error.code, texWidthRes.error.message);
+    tex.Header.TextureWidth = *texWidthRes;
+
+    auto texHeightRes = reader.ReadInt32();
+    if (!texHeightRes) return Fail<Tex>(texHeightRes.error.code, texHeightRes.error.message);
+    tex.Header.TextureHeight = *texHeightRes;
+
+    auto imgWidthRes = reader.ReadInt32();
+    if (!imgWidthRes) return Fail<Tex>(imgWidthRes.error.code, imgWidthRes.error.message);
+    tex.Header.ImageWidth = *imgWidthRes;
+
+    auto imgHeightRes = reader.ReadInt32();
+    if (!imgHeightRes) return Fail<Tex>(imgHeightRes.error.code, imgHeightRes.error.message);
+    tex.Header.ImageHeight = *imgHeightRes;
+
+    auto unkRes = reader.ReadUInt32();
+    if (!unkRes) return Fail<Tex>(unkRes.error.code, unkRes.error.message);
+    tex.Header.UnkInt0 = *unkRes;
+
+    // 解析标志位
+    tex.IsGif = (static_cast<int>(tex.Header.Flags) & static_cast<int>(TexType::IsGif)) != 0;
+    tex.IsVideoTexture = (static_cast<int>(tex.Header.Flags) & static_cast<int>(TexType::IsVideoTexture)) != 0;
+
+    // 读取图像容器
+    auto containerRes = ImageReader::ReadContainer(reader, tex.Header.Format);
+    if (!containerRes)
+        return Fail<Tex>(containerRes.error.code, containerRes.error.message);
+    tex.ImageContainer = *containerRes;
+
+    return Ok(std::move(tex));
+}
+
+} // namespace PKG