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942d0ff8adaff675b2140ed7c78bdb116e80f5c7
DarkflameServer/dCommon/ZoneFile.cpp
Aaron Kimbrell 942d0ff8ad fix(zone): PrePreAlpha zone files have no zone name or description 
The client reads a zone's name and description only when the file is
newer than version 30 (LuzFile::ReadLUZFile, 1.10.64: revision > 0x1e);
a version 30 file ends at its terrain file's name. The reader read both
strings for every version, so version 30 files ran off their end.

The four version 30 zones of the alpha leak (scale_TEST_ASSETS,
Gnarled_assetsMIKET, dennis_gnarled_forest_02/_03-ninja) now read. Some
of them have a stray name string after the terrain file's name, which
the client does not read either. Every newer file reads the same as
before.

Check in game: nothing to check on live worlds (none is version 30).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 04:50:18 -05:00

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#include "ZoneFile.h"
#include <algorithm>
#include <cctype>
#include <istream>
#include <stdexcept>
#include <string>
#include "BinaryIO.h"
#include "Game.h"
#include "Logger.h"
void ZoneFile::ReadHeader(std::istream& file) {
BinaryIO::BinaryRead(file, fileFormatVersion);
// Before PrePreAlpha a scene is only its ID, with no file to load it from (LuzReader::ReadScenes)
if (fileFormatVersion < FileFormatVersion::PrePreAlpha) {
throw std::runtime_error("Zone file version " + std::to_string(static_cast<uint32_t>(fileFormatVersion)) + " is older than " + std::to_string(static_cast<uint32_t>(FileFormatVersion::PrePreAlpha)) + ": its scenes have no files");
}
if (fileFormatVersion >= FileFormatVersion::Alpha) BinaryIO::BinaryRead(file, mapRevision);
BinaryIO::BinaryRead(file, worldID);
if (fileFormatVersion >= FileFormatVersion::Beta) {
BinaryIO::BinaryRead(file, spawnpoint);
BinaryIO::BinaryRead(file, spawnpointRotation);
}
// A u8 before LateAlpha, a u32 from it on (LuzFile::ReadLUZFile)
uint32_t sceneCount = 0;
if (fileFormatVersion < FileFormatVersion::LateAlpha) {
uint8_t count;
BinaryIO::BinaryRead(file, count);
sceneCount = count;
} else BinaryIO::BinaryRead(file, sceneCount);
for (uint32_t i = 0; i < sceneCount; ++i) {
ReadScene(file);
}
ReadZoneBoundaries(file);
//Read generic zone info:
BinaryIO::ReadString<uint8_t>(file, zoneRawPath, BinaryIO::ReadType::String);
// PrePreAlpha files have no name or description (LuzFile::ReadLUZFile)
if (fileFormatVersion > FileFormatVersion::PrePreAlpha) {
BinaryIO::ReadString<uint8_t>(file, zoneName, BinaryIO::ReadType::String);
BinaryIO::ReadString<uint8_t>(file, zoneDesc, BinaryIO::ReadType::String);
}
}
void ZoneFile::Read(std::istream& file) {
ReadHeader(file);
if (fileFormatVersion >= FileFormatVersion::PreAlpha) {
uint32_t transitionCount = 0;
BinaryIO::BinaryRead(file, transitionCount);
for (uint32_t i = 0; i < transitionCount; ++i) {
ReadSceneTransition(file);
}
}
if (fileFormatVersion >= FileFormatVersion::EarlyAlpha) {
BinaryIO::BinaryRead(file, pathDataLength);
BinaryIO::BinaryRead(file, pathChunkVersion); // always should be 1
uint32_t pathCount;
BinaryIO::BinaryRead(file, pathCount);
paths.reserve(pathCount);
for (uint32_t i = 0; i < pathCount; ++i) ReadPath(file);
}
}
void ZoneFile::ReadScene(std::istream& file) {
ZoneScene scene;
BinaryIO::ReadString<uint8_t>(file, scene.filename, BinaryIO::ReadType::String);
if (fileFormatVersion >= FileFormatVersion::LatePreAlpha) {
BinaryIO::BinaryRead(file, scene.id);
BinaryIO::BinaryRead(file, scene.sceneType);
BinaryIO::ReadString<uint8_t>(file, scene.name, BinaryIO::ReadType::String);
}
if (fileFormatVersion == FileFormatVersion::LatePreAlpha) {
BinaryIO::BinaryRead(file, scene.unknown1);
BinaryIO::BinaryRead(file, scene.unknown2);
}
if (fileFormatVersion >= FileFormatVersion::LatePreAlpha) {
BinaryIO::BinaryRead(file, scene.color_r);
BinaryIO::BinaryRead(file, scene.color_b);
BinaryIO::BinaryRead(file, scene.color_g);
}
scenes.push_back(std::move(scene));
}
void ZoneFile::ReadZoneBoundaries(std::istream& file) {
uint8_t count = 0;
BinaryIO::BinaryRead(file, count);
zoneBoundaries.reserve(count);
for (uint8_t i = 0; i < count; ++i) {
ZoneBoundary boundary;
BinaryIO::BinaryRead(file, boundary.normal);
BinaryIO::BinaryRead(file, boundary.point);
// The client reads one u32 of map ID (low 16 bits) and instance ID (high 16 bits)
LWOMAPID mapID = 0;
LWOINSTANCEID instanceID = 0;
BinaryIO::BinaryRead(file, mapID);
BinaryIO::BinaryRead(file, instanceID);
boundary.destZoneID = LWOZONEID(mapID, instanceID, 0);
BinaryIO::BinaryRead(file, boundary.destSceneID);
BinaryIO::BinaryRead(file, boundary.spawnLocation);
zoneBoundaries.push_back(boundary);
}
}
void ZoneFile::ReadSceneTransition(std::istream& file) {
SceneTransition sceneTrans;
if (fileFormatVersion < FileFormatVersion::Auramar) {
BinaryIO::ReadString<uint8_t>(file, sceneTrans.name, BinaryIO::ReadType::String);
BinaryIO::BinaryRead(file, sceneTrans.width);
}
//BROTHER MAY I HAVE SOME LOOPS?
uint8_t loops = (fileFormatVersion <= FileFormatVersion::LatePreAlpha || fileFormatVersion >= FileFormatVersion::Launch) ? 2 : 5;
sceneTrans.points.reserve(loops);
for (uint8_t i = 0; i < loops; ++i) {
sceneTrans.points.push_back(ReadSceneTransitionInfo(file));
}
sceneTransitions.push_back(sceneTrans);
}
SceneTransitionInfo ZoneFile::ReadSceneTransitionInfo(std::istream& file) {
SceneTransitionInfo info;
BinaryIO::BinaryRead(file, info.sceneID);
BinaryIO::BinaryRead(file, info.position);
return info;
}
void ZoneFile::ReadPath(std::istream& file) {
Path path = Path();
BinaryIO::BinaryRead(file, path.pathVersion);
BinaryIO::ReadString<uint8_t>(file, path.pathName, BinaryIO::ReadType::WideString);
BinaryIO::BinaryRead(file, path.pathType);
BinaryIO::BinaryRead(file, path.flags);
BinaryIO::BinaryRead(file, path.pathBehavior);
if (path.pathType == PathType::MovingPlatform) {
if (path.pathVersion >= 18) {
BinaryIO::BinaryRead(file, path.movingPlatform.timeBasedMovement);
} else if (path.pathVersion >= 13) {
BinaryIO::ReadString<uint8_t>(file, path.movingPlatform.platformTravelSound, BinaryIO::ReadType::WideString);
}
} else if (path.pathType == PathType::Property) {
BinaryIO::BinaryRead(file, path.property.pathType);
BinaryIO::BinaryRead(file, path.property.price);
BinaryIO::BinaryRead(file, path.property.rentalTime);
BinaryIO::BinaryRead(file, path.property.associatedZone);
if (path.pathVersion >= 5) {
BinaryIO::ReadString<uint8_t>(file, path.property.displayName, BinaryIO::ReadType::WideString);
BinaryIO::ReadString<uint32_t>(file, path.property.displayDesc, BinaryIO::ReadType::WideString);
}
if (path.pathVersion >= 6) BinaryIO::BinaryRead(file, path.property.type);
if (path.pathVersion >= 7) {
BinaryIO::BinaryRead(file, path.property.cloneLimit);
BinaryIO::BinaryRead(file, path.property.repMultiplier);
BinaryIO::BinaryRead(file, path.property.rentalPeriod);
}
if (path.pathVersion >= 8) {
BinaryIO::BinaryRead(file, path.property.achievementRequired);
BinaryIO::BinaryRead(file, path.property.playerZoneCoords);
BinaryIO::BinaryRead(file, path.property.maxBuildHeight);
}
} else if (path.pathType == PathType::Camera) {
BinaryIO::ReadString<uint8_t>(file, path.camera.nextPath, BinaryIO::ReadType::WideString);
if (path.pathVersion >= 14) {
BinaryIO::BinaryRead(file, path.camera.rotatePlayer);
}
} else if (path.pathType == PathType::Spawner) {
BinaryIO::BinaryRead(file, path.spawner.spawnedLOT);
BinaryIO::BinaryRead(file, path.spawner.respawnTime);
BinaryIO::BinaryRead(file, path.spawner.maxToSpawn);
BinaryIO::BinaryRead(file, path.spawner.amountMaintained);
BinaryIO::BinaryRead(file, path.spawner.spawnerObjID);
BinaryIO::BinaryRead(file, path.spawner.spawnerNetActive);
}
// Read waypoints
BinaryIO::BinaryRead(file, path.waypointCount);
path.pathWaypoints.reserve(path.waypointCount);
for (uint32_t i = 0; i < path.waypointCount; ++i) {
PathWaypoint waypoint = PathWaypoint();
BinaryIO::BinaryRead(file, waypoint.position.x);
BinaryIO::BinaryRead(file, waypoint.position.y);
BinaryIO::BinaryRead(file, waypoint.position.z);
if (path.pathType == PathType::Spawner || path.pathType == PathType::MovingPlatform || path.pathType == PathType::Race || path.pathType == PathType::Camera || path.pathType == PathType::Rail) {
BinaryIO::BinaryRead(file, waypoint.rotation.w);
BinaryIO::BinaryRead(file, waypoint.rotation.x);
BinaryIO::BinaryRead(file, waypoint.rotation.y);
BinaryIO::BinaryRead(file, waypoint.rotation.z);
}
if (path.pathType == PathType::MovingPlatform) {
BinaryIO::BinaryRead(file, waypoint.movingPlatform.lockPlayer);
BinaryIO::BinaryRead(file, waypoint.speed);
BinaryIO::BinaryRead(file, waypoint.movingPlatform.wait);
if (path.pathVersion >= 13) {
BinaryIO::ReadString<uint8_t>(file, waypoint.movingPlatform.departSound, BinaryIO::ReadType::WideString);
BinaryIO::ReadString<uint8_t>(file, waypoint.movingPlatform.arriveSound, BinaryIO::ReadType::WideString);
}
} else if (path.pathType == PathType::Camera) {
BinaryIO::BinaryRead(file, waypoint.camera.time);
BinaryIO::BinaryRead(file, waypoint.camera.fov);
BinaryIO::BinaryRead(file, waypoint.camera.tension);
BinaryIO::BinaryRead(file, waypoint.camera.continuity);
BinaryIO::BinaryRead(file, waypoint.camera.bias);
} else if (path.pathType == PathType::Race) {
BinaryIO::BinaryRead(file, waypoint.racing.isResetNode);
BinaryIO::BinaryRead(file, waypoint.racing.isNonHorizontalCamera);
BinaryIO::BinaryRead(file, waypoint.racing.planeWidth);
BinaryIO::BinaryRead(file, waypoint.racing.planeHeight);
BinaryIO::BinaryRead(file, waypoint.racing.shortestDistanceToEnd);
} else if (path.pathType == PathType::Rail) {
if (path.pathVersion > 16) BinaryIO::BinaryRead(file, waypoint.speed);
}
// object LDF configs
if (path.pathType == PathType::Movement || path.pathType == PathType::Spawner || path.pathType == PathType::Rail) {
uint32_t count;
BinaryIO::BinaryRead(file, count);
for (uint32_t i = 0; i < count; ++i) {
std::string parameter;
BinaryIO::ReadString<uint8_t>(file, parameter, BinaryIO::ReadType::WideString);
std::string value;
BinaryIO::ReadString<uint8_t>(file, value, BinaryIO::ReadType::WideString);
if (path.pathType == PathType::Movement || path.pathType == PathType::Rail) {
// cause NetDevil puts spaces in things that don't need spaces
parameter.erase(std::remove_if(parameter.begin(), parameter.end(), ::isspace), parameter.end());
auto waypointCommand = WaypointCommandType::StringToWaypointCommandType(parameter);
if (waypointCommand == eWaypointCommandType::DELAY) value.erase(std::remove_if(value.begin(), value.end(), ::isspace), value.end());
if (waypointCommand != eWaypointCommandType::INVALID) {
auto& command = waypoint.commands.emplace_back();
command.command = waypointCommand;
command.data = value;
} else LOG("Tried to load invalid waypoint command '%s'", parameter.c_str());
} else {
waypoint.config.ParseInsert(parameter + "=" + value);
}
}
}
path.pathWaypoints.push_back(waypoint);
}
paths.push_back(path);
}
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