Make assetnameparser more intelligent about hashing MP1/2 assets

assetnameparser/main.cpp

@@ -2,9 +2,10 @@
 #include <iostream>
 #include <memory>
 #include <vector>
+#include <algorithm>
 
-#include <logvisor/logvisor.hpp>
 #include "tinyxml2/tinyxml2.h"
+#include <logvisor/logvisor.hpp>
 
 #ifndef _WIN32
 #include <cstdlib>
@@ -33,6 +34,51 @@
 #endif
 
 namespace {
+
+uint32_t crc32(const uint8_t * data, uint64_t length, uint32_t seed, uint32_t final) {
+  static const uint32_t crc32Table[256] = {
+      0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832,
+      0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2,
+      0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856, 0x646BA8C0, 0xFD62F97A,
+      0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
+      0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3,
+      0x45DF5C75, 0xDCD60DCF, 0xABD13D59, 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423,
+      0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB,
+      0xB6662D3D, 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
+      0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, 0x6B6B51F4,
+      0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950,
+      0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, 0x4DB26158, 0x3AB551CE, 0xA3BC0074,
+      0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
+      0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525,
+      0x206F85B3, 0xB966D409, 0xCE61E49F, 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81,
+      0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615,
+      0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
+      0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, 0xFED41B76,
+      0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E,
+      0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6,
+      0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
+      0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7,
+      0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F,
+      0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7,
+      0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
+      0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 0xA00AE278,
+      0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC,
+      0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, 0xBDBDF21C, 0xCABAC28A, 0x53B39330,
+      0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
+      0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D};
+
+  if (!data)
+    return seed;
+
+  uint32_t checksum = seed;
+  int pos = 0;
+
+  while (length--)
+    checksum = (checksum >> 8) ^ crc32Table[(checksum & 0xFF) ^ data[pos++]];
+
+  return checksum ^ final;
+}
+
 logvisor::Module Log("AssetNameParser");
 
 // TODO: Clean this up
@@ -186,6 +232,43 @@ FILEPtr Fopen(const SystemChar* path, const SystemChar* mode, FileLockType lock
 }
 } // Anonymous namespace
 
+std::string getValidExtension(const std::string& type) {
+  if (type == "ANIM") {
+    return "ani";
+  }
+  if (type == "ANCS") {
+    return "acs";
+  }
+  if (type == "PART") {
+    return "gpsm.part";
+  }
+  if (type == "ELSC") {
+    return "elsm.elsc";
+  }
+  if (type == "SWHC") {
+    return "swsh.swhc";
+  }
+  if (type == "DPSC") {
+    return "dpsm.dpsc";
+  }
+  if (type == "CRSC") {
+    return "crsm.crsc";
+  }
+  if (type == "WPSC") {
+    return "wpsm.wpsc";
+  }
+  if (type == "FONT") {
+    return "rpff";
+  }
+  if (type == "MLVL") {
+    return "mwld";
+  }
+  if (type == "CINF") {
+    return "cin";
+  }
+  return type;
+}
+
 #if _WIN32
 int wmain(int argc, const wchar_t* argv[])
 #else
@@ -239,12 +322,18 @@ int main(int argc, const char* argv[])
         Log.report(logvisor::Fatal, FMT_STRING(_SYS_STR("Malformed Value entry, [Name,Directory,Type] required")));
         return 0;
       }
-      assets.emplace_back();
       bool autoGen = strncasecmp(autoGenNameElm->GetText(), "true", 4) == 0 && strncasecmp(autoGenDirElm->GetText(), "true", 4) == 0;
-      if (!autoGen) {
+      uint64_t id = strtoull(keyElm->GetText(), nullptr, 16);
-        SAsset& asset = assets.back();
+      std::string dir = dirElm->GetText();
+      std::string name = nameElm->GetText();
+      std::string type = typeElm->GetText();
+      std::string projPath = "$/" + dir + name + "." + getValidExtension(type);
+      std::transform(projPath.begin(), projPath.end(), projPath.begin(), [](unsigned  char c) -> unsigned  char { return std::tolower(c); });
+      uint32_t tmpId = crc32(reinterpret_cast<const uint8_t*>(projPath.c_str()), projPath.length(), 0xFFFFFFFF, 0);
+      if (!autoGen || tmpId == id) {
+        SAsset& asset = assets.emplace_back();
         asset.type = typeElm->GetText();
-        asset.id = strtoull(keyElm->GetText(), nullptr, 16);
+        asset.id = id;
         asset.name = nameElm->GetText();
         asset.dir = dirElm->GetText();
       }
@@ -259,12 +348,12 @@ int main(int argc, const char* argv[])
 
     uint32_t assetCount = SBig(uint32_t(assets.size()));
     FourCC sentinel(SBIG('AIDM'));
-    fwrite(&sentinel, sizeof(sentinel), 1, f.get());
+    fwrite(&sentinel, sizeof(FourCC), 1, f.get());
-    fwrite(&assetCount, sizeof(assetCount), 1, f.get());
+    fwrite(&assetCount, sizeof(uint32_t), 1, f.get());
     for (const SAsset& asset : assets) {
       fwrite(&asset.type, sizeof(asset.type), 1, f.get());
       uint64_t id = SBig(asset.id);
-      fwrite(&id, sizeof(id), 1, f.get());
+      fwrite(&id, sizeof(uint64_t), 1, f.get());
       uint32_t tmp = SBig(uint32_t(asset.name.length()));
       fwrite(&tmp, sizeof(tmp), 1, f.get());
       fwrite(asset.name.c_str(), 1, SBig(tmp), f.get());