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9f390958f5264a3d10946047c368e56f4394b81f
DarkflameServer/dCommon/ZoneFile.cpp
Aaron Kimbrell 9f390958f5 fix(zone): scenes of version 30-32 zone files are numbered like the client 
Zone files before version 33 have no scene IDs. The client gives each
scene its index in the file as its ID, -1 past 255, with layer 0
(LuzReader::ReadScenes, 1.10.64, via the LWOSceneID from the loop
index); the reader left every such scene at ID 0, so a zone with several
scenes had them all collide on one ID.

The version 30 zones on disk have one scene each, so what they read is
unchanged.

Check in game: nothing to check on live worlds (all are version 36+).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 08:36:35 -05:00

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#include "ZoneFile.h"
#include <algorithm>
#include <cctype>
#include <cstdint>
#include <istream>
#include <string>
#include "BinaryIO.h"
#include "Game.h"
#include "Logger.h"
void ZoneFile::ReadHeader(std::istream& file) {
BinaryIO::BinaryRead(file, fileFormatVersion);
// The client reads anything older than 20 as 20 (LuzFile::ReadLUZFile)
if (fileFormatVersion < FileFormatVersion::Oldest) fileFormatVersion = FileFormatVersion::Oldest;
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, i);
}
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, uint32_t index) {
ZoneScene scene;
// Before PrePreAlpha a scene is only its SceneTable ID; ResolveSceneTable finds its file (LuzReader::ReadScenes)
if (fileFormatVersion < FileFormatVersion::PrePreAlpha) {
BinaryIO::BinaryRead(file, scene.sceneTableID);
scene.id = scene.sceneTableID;
scenes.push_back(std::move(scene));
return;
}
BinaryIO::ReadString<uint8_t>(file, scene.filename, BinaryIO::ReadType::String);
// Until LatePreAlpha the file has no scene IDs: a scene's ID is its index (-1 past 255) in the file
scene.id = index < 256 ? index : UINT32_MAX;
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::ResolveSceneTable(const std::function<std::optional<std::string>(uint32_t)>& sceneName) {
if (fileFormatVersion >= FileFormatVersion::PrePreAlpha) return;
// ZoneLoader::ReadZoneFile: the scenes go by their SceneTable ID; each one with a row there gets the next index
// (0, 1, ...; -1 past 255) as its ID and the row's sceneName as its file, the others are left out
std::ranges::stable_sort(scenes, {}, &ZoneScene::sceneTableID);
std::vector<ZoneScene> resolved;
uint32_t index = 0;
for (auto& scene : scenes) {
if (!resolved.empty() && resolved.back().sceneTableID == scene.sceneTableID) continue;
const auto name = sceneName(scene.sceneTableID);
if (!name) continue;
scene.id = index < 256 ? index : UINT32_MAX;
scene.filename = *name;
scene.name = *name;
resolved.push_back(std::move(scene));
index++;
}
scenes = std::move(resolved);
}
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::ReadLdfConfig(std::istream& file, PathType pathType, PathWaypoint& waypoint) {
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 (pathType == PathType::Movement || 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);
}
}
}
void ZoneFile::ReadPath(std::istream& file) {
Path path = Path();
BinaryIO::BinaryRead(file, path.pathVersion);
BinaryIO::ReadString<uint8_t>(file, path.pathName, BinaryIO::ReadType::WideString);
if (path.pathVersion < 3) {
// Before version 3 the type is a name, "platform" or "npc" (LevelPath::FromBuffer)
std::string typeName;
BinaryIO::ReadString<uint8_t>(file, typeName, BinaryIO::ReadType::WideString);
path.pathType = typeName == "platform" ? PathType::MovingPlatform : PathType::Movement;
} else 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);
if (path.pathVersion >= 9) 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.pathVersion < 3) {
// Before version 3 every waypoint has a moving platform's data and then name/value pairs, whatever its path's type
BinaryIO::BinaryRead(file, waypoint.rotation.w);
BinaryIO::BinaryRead(file, waypoint.rotation.x);
BinaryIO::BinaryRead(file, waypoint.rotation.y);
BinaryIO::BinaryRead(file, waypoint.rotation.z);
BinaryIO::BinaryRead(file, waypoint.movingPlatform.lockPlayer);
BinaryIO::BinaryRead(file, waypoint.speed);
BinaryIO::BinaryRead(file, waypoint.movingPlatform.wait);
ReadLdfConfig(file, path.pathType, waypoint);
path.pathWaypoints.push_back(waypoint);
continue;
}
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) {
ReadLdfConfig(file, path.pathType, waypoint);
}
path.pathWaypoints.push_back(waypoint);
}
paths.push_back(path);
}
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