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feat(editor): add --diff-wcp CLI for archive comparison

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Compares two WCP archives file-by-file from their info JSON: lists
added (+), removed (-), and size-changed (~) entries. Useful for
verifying that an authoring tweak changed only what it claimed to
change, and for editor-version regression detection. Exit code 0
if identical, 1 otherwise.
This commit is contained in:
Kelsi 2026-05-06 08:29:21 -07:00
parent 07f4043343
commit 4cbffe17d5
1 changed files with 48 additions and 0 deletions
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48
tools/editor/main.cpp
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@ -43,6 +43,7 @@ static void printUsage(const char* argv0) {
std::printf(" --info-quests <p> Print quests.json summary (counts, rewards, chain errors) and exit\n");
std::printf(" --info-wcp <wcp-path> Print WCP archive metadata (name, files) and exit\n");
std::printf(" --list-wcp <wcp-path> Print every file inside a WCP archive (sorted by path) and exit\n");
std::printf(" --diff-wcp <a> <b> Compare two WCPs file-by-file; exit 0 if identical, 1 otherwise\n");
std::printf(" --pack-wcp <zone> [dst] Pack a zone dir/name into a .wcp archive and exit\n");
std::printf(" --unpack-wcp <wcp> [dst] Extract a WCP archive (default dst=custom_zones/) and exit\n");
std::printf(" --version Show version and format info\n\n");
@ -75,6 +76,10 @@ int main(int argc, char* argv[]) {
std::fprintf(stderr, "--adt requires <map> <x> <y>\n");
return 1;
}
if (std::strcmp(argv[i], "--diff-wcp") == 0 && i + 2 >= argc) {
std::fprintf(stderr, "--diff-wcp requires two paths\n");
return 1;
}
}
for (int i = 1; i < argc; i++) {
@ -231,6 +236,49 @@ int main(int argc, char* argv[]) {
stationary, wander, patrol);
std::printf(" unique displayIds: %zu\n", displayIdHist.size());
return 0;
} else if (std::strcmp(argv[i], "--diff-wcp") == 0 && i + 2 < argc) {
// Print which files differ between two WCP archives. Useful
// when verifying that an authoring tweak only changed what
// it claimed to change, or when comparing pack-WCP output
// across editor versions for regression detection.
std::string aPath = argv[++i];
std::string bPath = argv[++i];
wowee::editor::ContentPackInfo aInfo, bInfo;
if (!wowee::editor::ContentPacker::readInfo(aPath, aInfo) ||
!wowee::editor::ContentPacker::readInfo(bPath, bInfo)) {
std::fprintf(stderr, "Failed to read WCP info\n");
return 1;
}
std::unordered_map<std::string, uint64_t> aFiles, bFiles;
for (const auto& f : aInfo.files) aFiles[f.path] = f.size;
for (const auto& f : bInfo.files) bFiles[f.path] = f.size;
int onlyA = 0, onlyB = 0, sizeChanged = 0, identical = 0;
std::vector<std::string> onlyAList, onlyBList, changedList;
for (const auto& [p, sz] : aFiles) {
auto it = bFiles.find(p);
if (it == bFiles.end()) { onlyA++; onlyAList.push_back(p); }
else if (it->second != sz) {
sizeChanged++;
changedList.push_back(p + " (" + std::to_string(sz) + " -> " +
std::to_string(it->second) + ")");
} else identical++;
}
for (const auto& [p, sz] : bFiles) {
if (aFiles.find(p) == aFiles.end()) { onlyB++; onlyBList.push_back(p); }
}
std::sort(onlyAList.begin(), onlyAList.end());
std::sort(onlyBList.begin(), onlyBList.end());
std::sort(changedList.begin(), changedList.end());
std::printf("Diff: %s vs %s\n", aPath.c_str(), bPath.c_str());
std::printf(" identical : %d\n", identical);
std::printf(" changed : %d\n", sizeChanged);
std::printf(" only in A : %d\n", onlyA);
std::printf(" only in B : %d\n", onlyB);
for (const auto& s : changedList) std::printf(" ~ %s\n", s.c_str());
for (const auto& s : onlyAList) std::printf(" - %s\n", s.c_str());
for (const auto& s : onlyBList) std::printf(" + %s\n", s.c_str());
return (onlyA + onlyB + sizeChanged) == 0 ? 0 : 1;
} else if (std::strcmp(argv[i], "--list-wcp") == 0 && i + 1 < argc) {
// Like --info-wcp but prints every file path. Useful for spotting
// missing or unexpected entries before unpacking.