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feat(capture): a property's models, data and events from a capture

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CaptureProperty::Build reads, per world of a capture, the property it was:
each model (constructed with a model component, or a brick built model) with
its LOT, object, spawner, blueprint and behavior count and where it stood per
time span, from its constructions, serializations and destruction; the
DownloadPropertyData of that map and the GetModelsOnProperty counts; and the
events: placed (a PlaceModelResponse with the model made at that position,
before or after it), moved, removed (with the DeleteModelFromClient reason),
editing, and behavior messages.

CaptureTool property <bundle> --cdserver prints it.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-30 08:40:09 -05:00
parent e043a8f6b5
commit 045999a252
6 changed files with 651 additions and 0 deletions
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29
dCaptureTool/CaptureTool.cpp
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@@ -16,6 +16,7 @@
#include "CaptureBundle.h"
#include "CaptureTools.h"
#include "LiveImport.h"
#include "CaptureProperty.h"
#include "GameMessageDecoder.h"
#include "PacketDecoder.h"
#include "CDClientDatabase.h"
@@ -59,6 +60,8 @@ namespace {
" info <bundle> what is in a bundle\n"
" decode <bundle> [--fields] [--limit N] [--cdserver <CDServer.sqlite>]\n"
" its packets on one timeline (replica packets too with --cdserver)\n"
" property <bundle> --cdserver <CDServer.sqlite>\n"
" the properties it saw: models over time, property data, events (JSON)\n"
" anonymise <in> <out> a test fixture: names and chat replaced, IDs placeholders\n"
" import-live <folder> <out-dir> convert live captures (every folder of *_traffic.zip under <folder>)\n"
" replay <bundle>... [options] replay against a fresh sandbox stack per bundle and compare\n"
@@ -163,6 +166,31 @@ namespace {
return 0;
}
// The properties a capture saw, as the dashboard's capture viewer shows them (CaptureProperty)
int Property(const std::string& path, const std::string& cdServer) {
CaptureBundle::Bundle bundle;
if (!LoadBundle(path, bundle)) return 1;
CaptureTools::SortTimeline(bundle.records);
ReplicaDecoder::ComponentTable components;
try {
CDClientDatabase::Connect(cdServer);
ReplicaDecoder::LoadComponentTable(components);
} catch (const std::exception& e) {
std::cerr << "Can't read " << cdServer << ": " << e.what() << "\n";
return 1;
}
ReplicaDecoder::Session replicas(components);
std::vector<std::optional<json>> replica(bundle.records.size());
for (size_t i = 0; i < bundle.records.size(); i++) {
const auto& record = bundle.records[i];
if (record.header.flags & PacketRecordFlags::GAP || CaptureTools::FromClient(record.header)) continue;
replica[i] = replicas.Decode(record.bytes, CaptureTools::ReplicaConnection(record.header));
}
const auto start = bundle.records.empty() ? 0 : bundle.records.front().header.timeUs;
std::cout << CaptureProperty::Build(bundle.records, start, [&replica](size_t i) { return replica[i] ? &*replica[i] : nullptr; }).dump(2) << "\n";
return 0;
}
int Anonymise(const std::string& in, const std::string& out) {
CaptureBundle::Bundle bundle;
if (!LoadBundle(in, bundle)) return 1;
@@ -345,6 +373,7 @@ int main(int argc, char** argv) {
const auto& command = args[1];
if (command == "info" && args.size() >= 3) return Info(args[2]);
if (command == "decode" && args.size() >= 3) return Decode(args[2], Flag(args, "--fields"), std::stoul(Arg(args, "--limit", "1000000")), Arg(args, "--cdserver", ""));
if (command == "property" && args.size() >= 3) return Property(args[2], Arg(args, "--cdserver", ""));
if (command == "anonymise" && args.size() >= 4) return Anonymise(args[2], args[3]);
if (command == "import-live" && args.size() >= 4) return ImportLive(args[2], args[3]);
if (command == "replay") return Replay(args);