119 lines
3.6 KiB
Plaintext
119 lines
3.6 KiB
Plaintext
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/*
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文件名:Init.nut
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路径:Init/Init.nut
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创建日期:2024-05-07 17:38
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文件用途:初始化操作
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*/
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function charPtrToInt(arr) {
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local value = ((arr[0]) << 0) |
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((arr[1]) << 8) |
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((arr[2]) << 16) |
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((arr[3]) << 24);
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return value;
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}
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function CrcDecode(Ro, Length, crc32) {
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local num = 2175242257;
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for (local i = 0; i< Length; i += 4) {
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local Pos = Ro.tell();
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local anInt = charPtrToInt([Ro[Pos], Ro[Pos + 1], Ro[Pos + 2], Ro[Pos + 3]]);
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local val = (anInt ^ num ^ crc32);
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local jiemi = (val >> 6) | ((val << (32 - 6)) & 0xFFFFFFFF);
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Ro[Pos] = ((jiemi >> 0) & 0xFF);
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Ro[Pos + 1] = ((jiemi >> 8) & 0xFF);
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Ro[Pos + 2] = ((jiemi >> 16) & 0xFF);
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Ro[Pos + 3] = ((jiemi >> 24) & 0xFF);
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Ro.seek(4, 'c');
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}
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}
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//初始化PVF文件树
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function InitPvfTreeHeader(HeaderRo) {
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//读取UUID的长度
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local UUID_LENGTH = HeaderRo.GetInt();
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//UUID 读 1 - 36位 构造 UTF8 string
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local UUID = HeaderRo.GetString(UUID_LENGTH);
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//版本号
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local Version = HeaderRo.GetInt();
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// 文件路径数据的大小
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local AlignedIndexHeaderSize = HeaderRo.GetInt();
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// 解密密钥
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local IndexHeaderCrc = HeaderRo.GetInt();
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// 文件数量
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local IndexSize = HeaderRo.GetInt();
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local FristPos = HeaderRo.tell();
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CrcDecode(HeaderRo, AlignedIndexHeaderSize, IndexHeaderCrc)
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local CurrPos = 0;
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ScriptData.StartPos = AlignedIndexHeaderSize + 56;
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for (local i = 0; i< IndexSize; i++) {
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HeaderRo.seek(FristPos + CurrPos);
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local FileNumber = HeaderRo.GetInt();
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local FilePathLength = HeaderRo.GetInt();
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local FileName = HeaderRo.GetString(FilePathLength);
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local FileLength = HeaderRo.GetInt();
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local Cre32 = HeaderRo.GetInt();
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local RelativeOffset = HeaderRo.GetInt();
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if (FileLength > 0) {
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local RealFileLength = (FileLength + 3) & 4294967292;
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ScriptData.PvfFileInfo[FileName] <- {
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ROffset = RelativeOffset,
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Cr32 = Cre32,
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Length = RealFileLength,
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}
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}
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CurrPos += 20;
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CurrPos += FilePathLength;
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}
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}
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//初始化PVF数据 文件树初始化完成以后被调用
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function CB_InitPvfData() {
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//文件
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local FileIo = null;
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try {
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FileIo = file("Script.pvf", "rb");
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} catch (exception) {
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error("打不开Script文件!");
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}
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if (!FileIo) return;
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local FileRo = BlobEx(FileIo.readblob(FileIo.len()));
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InitPvfTreeHeader(FileRo);
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FileIo.close();
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InitStringBin(FileRo);
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InitLoadString(FileRo);
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local AllFileStartPos = ScriptData.StartPos;
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foreach(FilePath, Info in ScriptData.PvfFileInfo) {
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FileRo.seek(AllFileStartPos + Info.ROffset);
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CrcDecode(FileRo, Info.Length, Info.Cr32);
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//解密完需要重新调整指针位置
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FileRo.seek(AllFileStartPos + Info.ROffset);
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//构建AniMap
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if (endswith(FilePath, ".ani") && !endswith(FilePath, ".als")) {
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try {
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ScriptData.Ani[FilePath] <- InitPvfAni(FileRo);
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} catch (exception) {
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// if (FilePath == "monster/goblin/animation_goblin2/damage2.ani") print("Ani :" + FilePath + "加载错误");
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// print(exception);
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// print("Ani :" + FilePath + "加载错误");
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}
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// ScriptData.RemoveFileInfo(FilePath); //不知道为什么删除脚本会删多 貌似和识别有点关系 有空再修
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}
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}
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ScriptData.IO = FileRo;
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// print("初始化Ani完成数量: " + ScriptData.Ani.len());
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ScriptData.Init();
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}
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