Example #1
0
bool PathFinder::calculate(float destX, float destY, float destZ, bool forceDest)
{
    Vector3 oldDest = getEndPosition();
    Vector3 dest(destX, destY, destZ);
    setEndPosition(dest);

    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);
    Vector3 start(x, y, z);
    setStartPosition(start);

    m_forceDestination = forceDest;

    DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathFinder::calculate() for %u \n", m_sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!m_navMesh || !m_navMeshQuery || m_sourceUnit->hasUnitState(UNIT_STAT_IGNORE_PATHFINDING) ||
        !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    updateFilter();

    BuildPolyPath(start, dest);
    return true;
}
			void GuiToolstripCommand::UpdateShortcutOwner()
			{
				GuiControlHost* host = nullptr;
				if (auto control = dynamic_cast<GuiControl*>(attachedRootObject))
				{
					host = control->GetRelatedControlHost();
				}
				else if (auto composition = dynamic_cast<GuiGraphicsComposition*>(attachedRootObject))
				{
					host = composition->GetRelatedControlHost();
				}

				if (shortcutOwner != host)
				{
					if (shortcutOwner)
					{
						ReplaceShortcut(nullptr, nullptr);
						shortcutOwner = nullptr;
					}
					shortcutOwner = host;
					if (shortcutBuilder && !shortcutKeyItem)
					{
						BuildShortcut(shortcutBuilder->text);
					}
				}
			}
Example #3
0
bool PathGenerator::CalculatePath(float destX, float destY, float destZ, bool forceDest)
{
    float x, y, z;
    _sourceUnit->GetPosition(x, y, z);

    if (!Trinity::IsValidMapCoord(destX, destY, destZ) || !Trinity::IsValidMapCoord(x, y, z))
        return false;

    Vector3 dest(destX, destY, destZ);
    SetEndPosition(dest);

    Vector3 start(x, y, z);
    SetStartPosition(start);

    _forceDestination = forceDest;

    sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::CalculatePath() for %u \n", _sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!_navMesh || !_navMeshQuery || _sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
            !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    UpdateFilter();

    BuildPolyPath(start, dest);
    return true;
}
Example #4
0
////////////////// PathInfo //////////////////
PathInfo::PathInfo(const Unit* owner, const float destX, const float destY, const float destZ, bool useStraightPath) :
    m_polyLength(0), m_type(PATHFIND_BLANK), m_useStraightPath(useStraightPath),
    m_sourceUnit(owner), m_navMesh(NULL), m_navMeshQuery(NULL)
{
    PathNode endPoint(destX, destY, destZ);
    setEndPosition(endPoint);

    float x,y,z;
    m_sourceUnit->GetPosition(x, y, z);
    PathNode startPoint(x, y, z);
    setStartPosition(startPoint);

    PATH_DEBUG("++ PathInfo::PathInfo for %u \n", m_sourceUnit->GetGUID());

    uint32 mapId = m_sourceUnit->GetMapId();
    if (MMAP::MMapFactory::IsPathfindingEnabled(mapId))
    {
        MMAP::MMapManager* mmap = MMAP::MMapFactory::createOrGetMMapManager();
        m_navMesh = mmap->GetNavMesh(mapId);
        m_navMeshQuery = mmap->GetNavMeshQuery(mapId, m_sourceUnit->GetInstanceId());
    }

    createFilter();

    if (m_navMesh && m_navMeshQuery && !m_sourceUnit->hasUnitState(UNIT_STAT_IGNORE_PATHFINDING) && !(m_sourceUnit->GetTypeId() == TYPEID_UNIT ? ((Creature*)m_sourceUnit)->IsWorldBoss() : false))
    {
        BuildPolyPath(startPoint, endPoint);
    }
    else
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }
}
Example #5
0
void PathInfo::BuildPointPath(float *startPoint, float *endPoint)
{
    // get the actual reachable point on last poly in path
    float closestPoint[VERTEX_SIZE];
    if ((m_type & PATHFIND_INCOMPLETE)
            && DT_SUCCESS == m_navMeshQuery->closestPointOnPoly(m_pathPolyRefs[m_polyLength-1], endPoint, closestPoint))
    {
        dtVcopy(endPoint, closestPoint);
        setActualEndPosition(PathNode(endPoint[2],endPoint[0],endPoint[1]));
    }

    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if (m_useStraightPath)
    {
        dtResult = m_navMeshQuery->findStraightPath(
                       startPoint,         // start position
                       endPoint,           // end position
                       m_pathPolyRefs,     // current path
                       m_polyLength,       // lenth of current path
                       pathPoints,         // [out] path corner points
                       NULL,               // [out] flags
                       NULL,               // [out] shortened path
                       (int*)&pointCount,
                       MAX_POINT_PATH_LENGTH);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = findSmoothPath(
                       startPoint,         // start position
                       endPoint,           // end position
                       m_pathPolyRefs,     // current path
                       m_polyLength,       // length of current path
                       pathPoints,         // [out] path corner points
                       (int*)&pointCount,
                       MAX_POINT_PATH_LENGTH);    // maximum number of points
    }

    if (pointCount < 2 || dtResult != DT_SUCCESS)
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        PATH_DEBUG("++ PathInfo::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        m_type = PATHFIND_NOPATH;
        return;
    }

    m_pathPoints.resize(pointCount);
    for (uint32 i = 0; i < pointCount; ++i)
        m_pathPoints.set(i, PathNode(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]));

    // first point is always our current location - we need the next one
    setNextPosition(m_pathPoints[1]);

    PATH_DEBUG("++ PathInfo::BuildPointPath path type %d size %d poly-size %d\n", m_type, pointCount, m_polyLength);
}
Example #6
0
void PathInfo::BuildPointPath(float *startPoint, float *endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    bool usedOffmesh = false;
    if (m_useStraightPath)
    {
        dtResult = m_navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                MAX_POINT_PATH_LENGTH);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = findSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                usedOffmesh,
                MAX_POINT_PATH_LENGTH);    // maximum number of points
    }

    if (pointCount < 2 || dtResult != DT_SUCCESS)
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathInfo::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        m_type = PATHFIND_NOPATH;
        return;
    }

    // we need to flash our poly path to prevent it being used as subpath next cycle
    // in case of off mesh connection was used
    if(usedOffmesh)
        m_polyLength = 0;

    m_pathPoints.resize(pointCount);
    for (uint32 i = 0; i < pointCount; ++i)
        m_pathPoints.set(i, PathNode(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]));

    // first point is always our current location - we need the next one
    setNextPosition(m_pathPoints[1]);
    setActualEndPosition(m_pathPoints[pointCount-1]);

    DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathInfo::BuildPointPath path type %d size %d poly-size %d\n", m_type, pointCount, m_polyLength);
}
Example #7
0
bool PathInfo::Update(const float destX, const float destY, const float destZ, bool useStraightPath)
{
    PathNode newDest(destX, destY, m_sourceUnit->GetMap()->GetHeight(destX,destY,destZ,100.0f));
    PathNode oldDest = getEndPosition();
    setEndPosition(newDest);

    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);
    PathNode newStart(x, y, m_sourceUnit->GetMap()->GetHeight(x,y,z,100.0f));
    PathNode oldStart = getStartPosition();
    setStartPosition(newStart);

    m_useStraightPath = useStraightPath;

    PATH_DEBUG("++ PathInfo::Update() for %u \n", m_sourceUnit->GetGUID());

    // make sure navMesh works - we can run on map w/o mmap
    if (!m_navMesh || !m_navMeshQuery)
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    float dist = m_sourceUnit->GetObjectBoundingRadius();
    bool oldDestInRange = inRange(oldDest, newDest, dist, dist);

    // this can happen only if caller did a bad job calculating the need for path update
    if (oldDestInRange && inRange(newStart, oldStart, dist, dist))
    {
        setEndPosition(oldDest);
        setStartPosition(oldStart);
        return false;
    }

    // check if destination moved - if not we can optimize something here
    // we are following old, precalculated path?
    if (oldDestInRange && m_pathPoints.size() > 2)
    {
        // our target is not moving - we just coming closer
        // we are moving on precalculated path - enjoy the ride
        PATH_DEBUG("++ PathInfo::Update:: precalculated path\n");

        m_pathPoints.crop(1, 0);
        setNextPosition(m_pathPoints[1]);

        return false;
    }
    else
    {
        // target moved, so we need to update the poly path
        BuildPolyPath(newStart, newDest);
        return true;
    }
}
bool PathFinderMovementGenerator::calculate(float destX, float destY, float destZ, bool forceDest)
{
    if (!SkyFire::IsValidMapCoord(destX, destY, destZ) ||
        !SkyFire::IsValidMapCoord(m_sourceUnit->GetPositionX(), m_sourceUnit->GetPositionY(), m_sourceUnit->GetPositionZ()))
        return false;

    Vector3 oldDest = getEndPosition();
    Vector3 dest(destX, destY, destZ);
    setEndPosition(dest);

    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);
    Vector3 start(x, y, z);
    setStartPosition(start);

    m_forceDestination = forceDest;

    sLog->outDebug(LOG_FILTER_MAPS, "++ PathFinderMovementGenerator::calculate() for %u \n", m_sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!m_navMesh || !m_navMeshQuery || m_sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
        !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    updateFilter();

    // check if destination moved - if not we can optimize something here
    // we are following old, precalculated path?
    float dist = m_sourceUnit->GetObjectSize();
    if (inRange(oldDest, dest, dist, dist) && m_pathPoints.size() > 2)
    {
        // our target is not moving - we just coming closer
        // we are moving on precalculated path - enjoy the ride
        sLog->outStaticDebug("++ PathFinderMovementGenerator::calculate:: precalculated path\n");

        m_pathPoints.erase(m_pathPoints.begin());
        return false;
    }
    else
    {
        // target moved, so we need to update the poly path
        m_navMeshLock->acquire_read();
        BuildPolyPath(start, dest);
        m_navMeshLock->release();
        return true;
    }
}
bool PathGenerator::CalculatePath(float destX, float destY, float destZ, bool forceDest)
{
    float x, y, z;
    _sourceUnit->GetPosition(x, y, z);

    if (!Trinity::IsValidMapCoord(destX, destY, destZ) || !Trinity::IsValidMapCoord(x, y, z))
        return false;

    Vector3 oldDest = GetEndPosition();
    Vector3 dest(destX, destY, destZ);
    SetEndPosition(dest);

    Vector3 start(x, y, z);
    SetStartPosition(start);

    _forceDestination = forceDest;

    sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::CalculatePath() for %u \n", _sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!_navMesh || !_navMeshQuery || _sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
        !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    UpdateFilter();

    // check if destination moved - if not we can optimize something here
    // we are following old, precalculated path?
    float dist = _sourceUnit->GetObjectSize();
    if (oldDest != Vector3::zero() && InRange(oldDest, dest, dist, dist) && _pathPoints.size() > 2)
    {
        // our target is not moving - we just coming closer
        // we are moving on precalculated path - enjoy the ride
        sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::CalculatePath:: precalculated path\n");

        _pathPoints.erase(_pathPoints.begin());
        return false;
    }
    else
    {
        // target moved, so we need to update the poly path
        BuildPolyPath(start, dest);
        return true;
    }
}
Example #10
0
bool PathInfo::Update(const float destX, const float destY, const float destZ,
                      bool useStraightPath, bool forceDest)
{
    PathNode newDest(destX, destY, destZ);
    PathNode oldDest = getEndPosition();
    setEndPosition(newDest);

    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);
    PathNode newStart(x, y, z);
    PathNode oldStart = getStartPosition();
    setStartPosition(newStart);

    m_useStraightPath = useStraightPath;
    m_forceDestination = forceDest;

    DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathInfo::Update() for %u \n", m_sourceUnit->GetGUID());

    // make sure navMesh works - we can run on map w/o mmap
    if (!m_navMesh || !m_navMeshQuery || !HaveTiles(newDest) ||
            m_sourceUnit->hasUnitState(UNIT_STAT_IGNORE_PATHFINDING))
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    updateFilter();

    // check if destination moved - if not we can optimize something here
    // we are following old, precalculated path?
    float dist = m_sourceUnit->GetObjectBoundingRadius();
    if (inRange(oldDest, newDest, dist, dist) && m_pathPoints.size() > 2)
    {
        // our target is not moving - we just coming closer
        // we are moving on precalculated path - enjoy the ride
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathInfo::Update:: precalculated path\n");

        m_pathPoints.crop(1, 0);
        setNextPosition(m_pathPoints[1]);

        return false;
    }
    else
    {
        // target moved, so we need to update the poly path
        BuildPolyPath(newStart, newDest);
        return true;
    }
}
Example #11
0
bool PathFinder::calculate(float destX, float destY, float destZ, bool forceDest)
{
    Vector3 oldDest = getEndPosition();
    Vector3 dest(destX, destY, destZ);
    setEndPosition(dest);

    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);
    Vector3 start(x, y, z);
    setStartPosition(start);

    m_forceDestination = forceDest;

    DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathFinder::calculate() for %u \n", m_sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!m_navMesh || !m_navMeshQuery || m_sourceUnit->hasUnitState(UNIT_STAT_IGNORE_PATHFINDING) ||
        !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    updateFilter();

    // check if destination moved - if not we can optimize something here
    // we are following old, precalculated path?
    float dist = m_sourceUnit->GetObjectBoundingRadius();
    if (inRange(oldDest, dest, dist, dist) && m_pathPoints.size() > 2)
    {
        // our target is not moving - we just coming closer
        // we are moving on precalculated path - enjoy the ride
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathFinder::calculate:: precalculated path\n");

        m_pathPoints.erase(m_pathPoints.begin());
        return false;
    }
    else
    {
        // target moved, so we need to update the poly path
        ReadGuard Guard(MMAP::MMapFactory::createOrGetMMapManager()->GetLock(m_sourceUnit->GetMapId()));
        BuildPolyPath(start, dest);
        return true;
    }
}
Example #12
0
bool PathGenerator::CalculatePath(float destX, float destY, float destZ, bool /*forceDest*/)
{
    float x, y, z;
    _sourceUnit->GetPosition(x, y, z);

    if (!Trinity::IsValidMapCoord(destX, destY, destZ) || !Trinity::IsValidMapCoord(x, y, z))
        return false;

    G3D::Vector3 dest(destX, destY, destZ);
    SetEndPosition(dest);
    SetActualEndPosition(GetEndPosition());

    G3D::Vector3 start(x, y, z);
    SetStartPosition(start);

    TC_LOG_DEBUG("maps", "++ PathGenerator::CalculatePath() for %u\n", _sourceUnit->GetGUIDLow());

    BuildShortcut();
    _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    return true;
}
Example #13
0
bool PathInfo::Update(float destX, float destY, float destZ, bool forceDest)
{
    float x, y, z;
    m_sourceUnit->GetPosition(x, y, z);

    if (!Oregon::IsValidMapCoord(destX, destY, destZ) || !Oregon::IsValidMapCoord(x, y, z))
    {
        sLog.outMMap("PathInfo::Update() called with invalid map coords, destX: %f destY: %f destZ: %f x: %f y: %f z: %f for creature %u", destX, destY, destZ, x, y, z, m_sourceUnit->GetGUIDLow());
        m_type = PATHFIND_NOPATH;
        return false;
    }

    Vector3 oldDest = getEndPosition();
    Vector3 newDest(destX, destY, destZ);
    setEndPosition(newDest);

    Vector3 newStart(x, y, z);
    setStartPosition(newStart);

    m_forceDestination = forceDest;

    sLog.outMMap("PathInfo::Update() for %u \n", m_sourceUnit->GetGUIDLow());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!m_navMesh || !m_navMeshQuery || m_sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
        !HaveTile(newStart) || !HaveTile(newDest))
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    updateFilter();

    BuildPolyPath(newStart, newDest);
    return true;
}
Example #14
0
////////////////// PathInfo //////////////////
PathInfo::PathInfo(const Unit* owner, const float destX, const float destY, const float destZ, bool useStraightPath) : m_pathPolyRefs(NULL),
    m_polyLength(0), m_type(PATHFIND_BLANK), m_useStraightPath(useStraightPath), m_sourceUnit(owner),
    m_navMesh(NULL), m_navMeshQuery(NULL)
{
    PathNode endPoint(destX, destY, destZ);
    setEndPosition(endPoint);

    float x,y,z;
    m_sourceUnit->GetPosition(x, y, z);
    PathNode startPoint(x, y, z);
    setStartPosition(startPoint);

    PATH_DEBUG("++ PathInfo::PathInfo for %u \n", m_sourceUnit->GetGUID());

    const Map* map = m_sourceUnit->GetMap();
    if (map->IsPathfindingEnabled())
        m_navMesh = map->GetNavMesh();

    if (m_navMesh)
    {
        m_navMeshQuery = dtAllocNavMeshQuery();
        ASSERT(m_navMeshQuery);
        if(DT_SUCCESS != m_navMeshQuery->init(m_navMesh, MESH_MAX_NODES))
        {
            sLog->outError("%u's PathInfo navMeshQuery failed to init", m_sourceUnit->GetGUID());
            return;
        }

        BuildPolyPath(startPoint, endPoint);
    }
    else
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }
}
Example #15
0
////////////////// PathInfo //////////////////
PathInfo::PathInfo(const Unit* owner, float destX, float destY, float destZ, bool forceDest) :
    m_polyLength(0), m_type(PATHFIND_BLANK),
    m_forceDestination(forceDest), m_pointPathLimit(MAX_POINT_PATH_LENGTH),
    m_sourceUnit(owner), m_navMesh(NULL), m_navMeshQuery(NULL)
{
    PathNode endPoint(destX, destY, destZ);
    setEndPosition(endPoint);

    float x,y,z;
    m_sourceUnit->GetPosition(x, y, z);
    PathNode startPoint(x, y, z);
    setStartPosition(startPoint);

    //DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathInfo::PathInfo for %u \n", m_sourceUnit->GetGUIDLow());

    uint32 mapId = m_sourceUnit->GetMapId();
    if (MMAP::MMapFactory::IsPathfindingEnabled(mapId))
    {
        MMAP::MMapManager* mmap = MMAP::MMapFactory::createOrGetMMapManager();
        m_navMesh = mmap->GetNavMesh(mapId);
        m_navMeshQuery = mmap->GetNavMeshQuery(mapId, m_sourceUnit->GetInstanceId());
    }

    createFilter();

    if (m_navMesh && m_navMeshQuery && HaveTile(endPoint) &&
            !m_sourceUnit->hasUnitState(UNIT_STAT_IGNORE_PATHFINDING))
    {
        BuildPolyPath(startPoint, endPoint);
    }
    else
    {
        BuildShortcut();
        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }
}
Example #16
0
bool PathGenerator::CalculatePath(float destX, float destY, float destZ, bool forceDest, bool straightLine)
{
    float x, y, z;
    _sourceUnit->GetPosition(x, y, z);

    if (!Trinity::IsValidMapCoord(destX, destY, destZ) || !Trinity::IsValidMapCoord(x, y, z))
        return false;

    TC_METRIC_EVENT("mmap_events", "CalculatePath", "");

    G3D::Vector3 dest(destX, destY, destZ);
    SetEndPosition(dest);

    G3D::Vector3 start(x, y, z);
    SetStartPosition(start);

    _forceDestination = forceDest;
    _straightLine = straightLine;

    TC_LOG_DEBUG("maps", "++ PathGenerator::CalculatePath() for %s", _sourceUnit->GetGUID().ToString().c_str());

    // make sure navMesh works - we can run on map w/o mmap
    // check if the start and end point have a .mmtile loaded (can we pass via not loaded tile on the way?)
    if (!_navMesh || !_navMeshQuery || _sourceUnit->HasUnitState(UNIT_STATE_IGNORE_PATHFINDING) ||
        !HaveTile(start) || !HaveTile(dest))
    {
        BuildShortcut();
        _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
        return true;
    }

    UpdateFilter();

    BuildPolyPath(start, dest);
    return true;
}
Example #17
0
void PathInfo::BuildPolyPath(PathNode startPos, PathNode endPos)
{
    // *** getting start/end poly logic ***

    float distToStartPoly, distToEndPoly;
    float startPoint[VERTEX_SIZE] = {startPos.y, startPos.z, startPos.x};
    float endPoint[VERTEX_SIZE] = {endPos.y, endPos.z, endPos.x};

    dtPolyRef startPoly = getPolyByLocation(startPoint, &distToStartPoly);
    dtPolyRef endPoly = getPolyByLocation(endPoint, &distToEndPoly);

    // we have a hole in our mesh
    // make shortcut path and mark it as NOPATH ( with flying exception )
    // its up to caller how he will use this info
    if (startPoly == INVALID_POLYREF || endPoly == INVALID_POLYREF)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: (startPoly == 0 || endPoly == 0)\n");
        BuildShortcut();
        m_type = (m_sourceUnit->GetTypeId() == TYPEID_UNIT && ((Creature*)m_sourceUnit)->CanFly())
                    ? PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH) : PATHFIND_NOPATH;
        return;
    }

    // we may need a better number here
    bool farFromPoly = (distToStartPoly > 7.0f || distToEndPoly > 7.0f);
    if (farFromPoly)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: farFromPoly distToStartPoly=%.3f distToEndPoly=%.3f\n", distToStartPoly, distToEndPoly);

        bool buildShotrcut = false;
        if (m_sourceUnit->GetTypeId() == TYPEID_UNIT)
        {
            Creature* owner = (Creature*)m_sourceUnit;

            PathNode p = (distToStartPoly > 7.0f) ? startPos : endPos;
            if (m_sourceUnit->GetTerrain()->IsUnderWater(p.x, p.y, p.z))
            {
                DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: underWater case\n");
                if (owner->CanSwim())
                    buildShotrcut = true;
            }
            else
            {
                DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: flying case\n");
                if (owner->CanFly())
                    buildShotrcut = true;
            }
        }

        if (buildShotrcut)
        {
            BuildShortcut();
            m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
            return;
        }
        else
        {
            float closestPoint[VERTEX_SIZE];
            // we may want to use closestPointOnPolyBoundary instead
            if (DT_SUCCESS == m_navMeshQuery->closestPointOnPoly(endPoly, endPoint, closestPoint))
            {
                dtVcopy(endPoint, closestPoint);
                setActualEndPosition(PathNode(endPoint[2],endPoint[0],endPoint[1]));
            }

            m_type = PATHFIND_INCOMPLETE;
        }
    }

    // *** poly path generating logic ***

    // start and end are on same polygon
    // just need to move in straight line
    if (startPoly == endPoly)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: (startPoly == endPoly)\n");

        BuildShortcut();

        m_pathPolyRefs[0] = startPoly;
        m_polyLength = 1;

        m_type = farFromPoly ? PATHFIND_INCOMPLETE : PATHFIND_NORMAL;
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: path type %d\n", m_type);
        return;
    }

    // look for startPoly/endPoly in current path
    // TODO: we can merge it with getPathPolyByPosition() loop
    bool startPolyFound = false;
    bool endPolyFound = false;
    uint32 pathStartIndex, pathEndIndex;

    if (m_polyLength)
    {
        for (pathStartIndex = 0; pathStartIndex < m_polyLength; ++pathStartIndex)
        {
            // here to carch few bugs
            MANGOS_ASSERT(m_pathPolyRefs[pathStartIndex] != INVALID_POLYREF);

            if (m_pathPolyRefs[pathStartIndex] == startPoly)
            {
                startPolyFound = true;
                break;
            }
        }

        for (pathEndIndex = m_polyLength-1; pathEndIndex > pathStartIndex; --pathEndIndex)
            if (m_pathPolyRefs[pathEndIndex] == endPoly)
            {
                endPolyFound = true;
                break;
            }
    }

    if (startPolyFound && endPolyFound)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: (startPolyFound && endPolyFound)\n");

        // we moved along the path and the target did not move out of our old poly-path
        // our path is a simple subpath case, we have all the data we need
        // just "cut" it out

        m_polyLength = pathEndIndex - pathStartIndex + 1;
        memmove(m_pathPolyRefs, m_pathPolyRefs+pathStartIndex, m_polyLength*sizeof(dtPolyRef));
    }
    else if (startPolyFound && !endPolyFound)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: (startPolyFound && !endPolyFound)\n");

        // we are moving on the old path but target moved out
        // so we have atleast part of poly-path ready

        m_polyLength -= pathStartIndex;

        // try to adjust the suffix of the path instead of recalculating entire length
        // at given interval the target cannot get too far from its last location
        // thus we have less poly to cover
        // sub-path of optimal path is optimal

        // take ~80% of the original length
        // TODO : play with the values here
        uint32 prefixPolyLength = uint32(m_polyLength*0.8f + 0.5f);
        memmove(m_pathPolyRefs, m_pathPolyRefs+pathStartIndex, prefixPolyLength*sizeof(dtPolyRef));

        dtPolyRef suffixStartPoly = m_pathPolyRefs[prefixPolyLength-1];

        // we need any point on our suffix start poly to generate poly-path, so we need last poly in prefix data
        float suffixEndPoint[VERTEX_SIZE];
        if (DT_SUCCESS != m_navMeshQuery->closestPointOnPoly(suffixStartPoly, endPoint, suffixEndPoint))
        {
            // suffixStartPoly is invalid somehow, or the navmesh is broken => error state
            sLog.outError("%u's Path Build failed: invalid polyRef in path", m_sourceUnit->GetGUID());

            BuildShortcut();
            m_type = PATHFIND_NOPATH;
            return;
        }

        // generate suffix
        uint32 suffixPolyLength = 0;
        dtStatus dtResult = m_navMeshQuery->findPath(
                                suffixStartPoly,    // start polygon
                                endPoly,            // end polygon
                                suffixEndPoint,     // start position
                                endPoint,           // end position
                                &m_filter,            // polygon search filter
                                m_pathPolyRefs + prefixPolyLength - 1,    // [out] path
                                (int*)&suffixPolyLength,
                                MAX_PATH_LENGTH-prefixPolyLength);   // max number of polygons in output path

        if (!suffixPolyLength || dtResult != DT_SUCCESS)
        {
            // this is probably an error state, but we'll leave it
            // and hopefully recover on the next Update
            // we still need to copy our preffix
            sLog.outError("%u's Path Build failed: 0 length path", m_sourceUnit->GetGUID());
        }

        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++  m_polyLength=%u prefixPolyLength=%u suffixPolyLength=%u \n",m_polyLength, prefixPolyLength, suffixPolyLength);

        // new path = prefix + suffix - overlap
        m_polyLength = prefixPolyLength + suffixPolyLength - 1;
    }
    else
    {
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ BuildPolyPath :: (!startPolyFound && !endPolyFound)\n");

        // either we have no path at all -> first run
        // or something went really wrong -> we aren't moving along the path to the target
        // just generate new path

        // free and invalidate old path data
        clear();

        dtStatus dtResult = m_navMeshQuery->findPath(
                startPoly,          // start polygon
                endPoly,            // end polygon
                startPoint,         // start position
                endPoint,           // end position
                &m_filter,           // polygon search filter
                m_pathPolyRefs,     // [out] path
                (int*)&m_polyLength,
                MAX_PATH_LENGTH);   // max number of polygons in output path

        if (!m_polyLength || dtResult != DT_SUCCESS)
        {
            // only happens if we passed bad data to findPath(), or navmesh is messed up
            sLog.outError("%u's Path Build failed: 0 length path", m_sourceUnit->GetGUID());
            BuildShortcut();
            m_type = PATHFIND_NOPATH;
            return;
        }
    }

    // by now we know what type of path we can get
    if (m_pathPolyRefs[m_polyLength - 1] == endPoly && !(m_type & PATHFIND_INCOMPLETE))
        m_type = PATHFIND_NORMAL;
    else
        m_type = PATHFIND_INCOMPLETE;

    // generate the point-path out of our up-to-date poly-path
    BuildPointPath(startPoint, endPoint);
}
Example #18
0
void PathFinder::BuildPointPath(const float *startPoint, const float *endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if(m_useStraightPath)
    {
        dtResult = m_navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                m_pointPathLimit);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = findSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                m_pointPathLimit);    // maximum number of points
    }

    if(pointCount < 2 || dtResult != DT_SUCCESS)
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        sLog->outDebug(LOG_FILTER_PATHFINDING, "++ PathFinder::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        m_type = PATHFIND_NOPATH;
        return;
    }

    m_pathPoints.resize(pointCount);
    for(uint32 i = 0; i < pointCount; ++i)
        m_pathPoints[i] = Vector3(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]);

    // first point is always our current location - we need the next one
    setActualEndPosition(m_pathPoints[pointCount-1]);

    // force the given destination, if needed
    if(m_forceDestination &&
        (!(m_type & PATHFIND_NORMAL) || !inRange(getEndPosition(), getActualEndPosition(), 1.0f, 1.0f)))
    {
        // we may want to keep partial subpath
        if(dist3DSqr(getActualEndPosition(), getEndPosition()) <
            0.3f * dist3DSqr(getStartPosition(), getEndPosition()))
        {
            setActualEndPosition(getEndPosition());
            m_pathPoints[m_pathPoints.size()-1] = getEndPosition();
        }
        else
        {
            setActualEndPosition(getEndPosition());
            BuildShortcut();
        }

        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }

    sLog->outDebug(LOG_FILTER_PATHFINDING, "++ PathFinder::BuildPointPath path type %d size %d poly-size %d\n", m_type, pointCount, m_polyLength);
}
			void GuiToolstripCommand::SetShortcutBuilder(const WString& value)
			{
				BuildShortcut(value);
			}
void PathFinderMovementGenerator::BuildPointPath(const float *startPoint, const float *endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if (m_useStraightPath)
    {
        dtResult = m_navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                m_pointPathLimit);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = findSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                m_pointPathLimit);    // maximum number of points
    }

    if (pointCount < 2 || dtResult != DT_SUCCESS)
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        sLog->outDebug(LOG_FILTER_MAPS, "++ PathFinderMovementGenerator::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        m_type = PATHFIND_NOPATH;
        return;
    }
    else if (pointCount == m_pointPathLimit)
    {
        sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::BuildPointPath FAILED! path sized %d returned, lower than limit set to %d\n", pointCount, m_pointPathLimit);
        BuildShortcut();
        m_type = PATHFIND_SHORT;
        return;
    }

    m_pathPoints.resize(pointCount);
    for (uint32 i = 0; i < pointCount; ++i)
        m_pathPoints[i] = Vector3(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]);

    // first point is always our current location - we need the next one
    setActualEndPosition(m_pathPoints[pointCount-1]);

    // force the given destination, if needed
    if(m_forceDestination &&
        (!(m_type & PATHFIND_NORMAL) || !inRange(getEndPosition(), getActualEndPosition(), 1.0f, 1.0f)))
    {
        // we may want to keep partial subpath
        if(dist3DSqr(getActualEndPosition(), getEndPosition()) <
            0.3f * dist3DSqr(getStartPosition(), getEndPosition()))
        {
            setActualEndPosition(getEndPosition());
            m_pathPoints[m_pathPoints.size()-1] = getEndPosition();
        }
        else
        {
            setActualEndPosition(getEndPosition());
            BuildShortcut();
        }

        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }

	// Custom point for bugged zone - start
    float startEndDist = dist3DSqr(getStartPosition(), getEndPosition());   

    // Blade's Edge Arena (mapid)
	if (m_sourceUnit->GetMapId() == 562)
    {
    	// Start & End Position
		// NAPOLOVINA RABOTESHT PILLAR
		if (startEndDist < 3000.0f && startPoint[1] >= 9.000000f && startPoint[2] <= 6234.335938f && startPoint[2] >= 6224.140430f && startPoint[0] >= 244.160000f && startPoint[0] <= 255.118940f) // southeast pillar
	    {
			clear();
            m_pathPoints.resize(4);
			m_pathPoints[0] = getStartPosition();
			m_pathPoints[1] = Vector3(6231.038574f, 252.630981f, 11.300000f);
			m_pathPoints[2] = Vector3(6234.254395f, 256.513702f, 11.280000f);
			m_pathPoints[3] = getEndPosition();
		}
		// Problemna chast:
		else if (startEndDist < 3000.0f && endPoint[1] >= 9.000000f && endPoint[2] <= 6234.335938f && endPoint[2] >= 6224.140430f && endPoint[0] >= 244.160000f && endPoint[0] <= 255.118940f) // southeast pillar
		{
			clear();
            m_pathPoints.resize(4);
		    m_pathPoints[0] = getStartPosition();
			m_pathPoints[1] = Vector3(6234.254395f, 256.513702f, 11.280000f);
			m_pathPoints[2] = Vector3(6231.038574f, 252.630981f, 11.300000f);
			m_pathPoints[3] = getEndPosition();
		}

		// RABOTESHT PILLAR 
		// TODO: (na zemqta ima mqsto na koeto Z e > 9 koeto znachi che moje da se charge i ot dolu -> fail
		if (startEndDist < 3000.0f && startPoint[1] >= 9.000000f && startPoint[2] >= 6243.385660f && startPoint[2] <= 6254.611660f && startPoint[0] >= 268.757917f && startPoint[0] <= 279.558794f) // northwest pillar
        {
    		clear();
            m_pathPoints.resize(4);
            m_pathPoints[0] = getStartPosition();
            m_pathPoints[1] = Vector3(6246.324219f, 271.570000f, 11.300000f);
            m_pathPoints[2] = Vector3(6242.942484f, 267.210030f, 11.280000f);
            m_pathPoints[3] = getEndPosition();
        } 
		else if (startEndDist < 3000.0f && endPoint[1] >= 9.000000f && endPoint[2] >= 6243.385660f && endPoint[2] <= 6254.611660f && endPoint[0] >= 268.757917f && endPoint[0] <= 279.558794f) // northwest pillar
        {
		    clear();
            m_pathPoints.resize(4);
            m_pathPoints[0] = getStartPosition();
            m_pathPoints[1] = Vector3(6242.942484f, 267.210030f, 11.280000f);
            m_pathPoints[2] = Vector3(6246.324219f, 271.570000f, 11.300000f);
            m_pathPoints[3] = getEndPosition();
        }
    }
    // Dalaran Sewers
    if (m_sourceUnit->GetMapId() == 617)
    {
        if (startPoint[2] >= 1330.033223f && startPoint[1] >= 9.000000f)      // Canal 1#
        {
            //  Path x,y,z
            m_pathPoints.resize(5);
            m_pathPoints[0] = getStartPosition();
            m_pathPoints[1] = Vector3(1332.749268f, 816.274780f, 8.355900f);
            m_pathPoints[2] = Vector3(1325.749268f, 816.602539f, 5.4000000f);
            m_pathPoints[3] = Vector3(1328.749268f, 816.602539f, 3.4000000f);
            m_pathPoints[4] = getEndPosition();
        }
        else if (startPoint[2] <= 1253.904785f && startPoint[1] >= 9.000000f)      // Canal 2#
        {
            //  Path x,y,z
            m_pathPoints.resize(5);
            m_pathPoints[0] = getStartPosition();
            m_pathPoints[1] = Vector3(1252.425395f, 764.971680f, 8.000000f); 
            m_pathPoints[3] = Vector3(1255.425395f, 764.971680f, 5.3559000f);
            m_pathPoints[3] = Vector3(1257.425395f, 764.971680f, 3.3559000f);
            m_pathPoints[4] = getEndPosition();
        }
    }
    // Custom point for bugged zone - end

    sLog->outDebug(LOG_FILTER_MAPS, "++ PathFinderMovementGenerator::BuildPointPath path type %d size %d poly-size %d\n", m_type, pointCount, m_polyLength);
}
Example #21
0
void PathGenerator::BuildPointPath(const float *startPoint, const float *endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if (_straightLine)
    {
        // if the path is a straight line then start and end position are enough
        dtResult = DT_SUCCESS;
        pointCount = 2;
        memcpy(&pathPoints[0], startPoint, sizeof(float)* 3);
        memcpy(&pathPoints[3], endPoint, sizeof(float)* 3);
    }
    else if (_useStraightPath)
    {
        dtResult = _navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                _pathPolyRefs,     // current path
                _polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                _pointPathLimit);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = FindSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                _pathPolyRefs,     // current path
                _polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                _pointPathLimit);    // maximum number of points
    }

    if (pointCount < 2 || dtStatusFailed(dtResult))
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        /// @todo check the exact cases
        TC_LOG_DEBUG("maps", "++ PathGenerator::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        _type = PATHFIND_NOPATH;
        return;
    }
    else if (pointCount == _pointPathLimit)
    {
        TC_LOG_DEBUG("maps", "++ PathGenerator::BuildPointPath FAILED! path sized %d returned, lower than limit set to %d\n", pointCount, _pointPathLimit);
        BuildShortcut();
        _type = PATHFIND_SHORT;
        return;
    }

    _pathPoints.resize(pointCount);
    for (uint32 i = 0; i < pointCount; ++i)
        _pathPoints[i] = G3D::Vector3(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]);

    NormalizePath();

    // first point is always our current location - we need the next one
    SetActualEndPosition(_pathPoints[pointCount-1]);

    // force the given destination, if needed
    if (_forceDestination &&
        (!(_type & PATHFIND_NORMAL) || !InRange(GetEndPosition(), GetActualEndPosition(), 1.0f, 1.0f)))
    {
        // we may want to keep partial subpath
        if (Dist3DSqr(GetActualEndPosition(), GetEndPosition()) < 0.3f * Dist3DSqr(GetStartPosition(), GetEndPosition()))
        {
            SetActualEndPosition(GetEndPosition());
            _pathPoints[_pathPoints.size()-1] = GetEndPosition();
        }
        else
        {
            SetActualEndPosition(GetEndPosition());
            BuildShortcut();
        }

        _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }

    TC_LOG_DEBUG("maps", "++ PathGenerator::BuildPointPath path type %d size %d poly-size %d\n", _type, pointCount, _polyLength);
}
Example #22
0
void PathGenerator::BuildPolyPath(G3D::Vector3 const& startPos, G3D::Vector3 const& endPos)
{
    // *** getting start/end poly logic ***

    float distToStartPoly, distToEndPoly;
    float startPoint[VERTEX_SIZE] = {startPos.y, startPos.z, startPos.x};
    float endPoint[VERTEX_SIZE] = {endPos.y, endPos.z, endPos.x};

    dtPolyRef startPoly = GetPolyByLocation(startPoint, &distToStartPoly);
    dtPolyRef endPoly = GetPolyByLocation(endPoint, &distToEndPoly);

    // we have a hole in our mesh
    // make shortcut path and mark it as NOPATH ( with flying and swimming exception )
    // its up to caller how he will use this info
    if (startPoly == INVALID_POLYREF || endPoly == INVALID_POLYREF)
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: (startPoly == 0 || endPoly == 0)\n");
        BuildShortcut();
        bool path = _sourceUnit->GetTypeId() == TYPEID_UNIT && _sourceUnit->ToCreature()->CanFly();

        bool waterPath = _sourceUnit->GetTypeId() == TYPEID_UNIT && _sourceUnit->ToCreature()->CanSwim();
        if (waterPath)
        {
            // Check both start and end points, if they're both in water, then we can *safely* let the creature move
            for (uint32 i = 0; i < _pathPoints.size(); ++i)
            {
                ZLiquidStatus status = _sourceUnit->GetBaseMap()->getLiquidStatus(_pathPoints[i].x, _pathPoints[i].y, _pathPoints[i].z, MAP_ALL_LIQUIDS, NULL);
                // One of the points is not in the water, cancel movement.
                if (status == LIQUID_MAP_NO_WATER)
                {
                    waterPath = false;
                    break;
                }
            }
        }

        _type = (path || waterPath) ? PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH) : PATHFIND_NOPATH;
        return;
    }

    // we may need a better number here
    bool farFromPoly = (distToStartPoly > 7.0f || distToEndPoly > 7.0f);
    if (farFromPoly)
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: farFromPoly distToStartPoly=%.3f distToEndPoly=%.3f\n", distToStartPoly, distToEndPoly);

        bool buildShotrcut = false;
        if (_sourceUnit->GetTypeId() == TYPEID_UNIT)
        {
            Creature* owner = (Creature*)_sourceUnit;

            G3D::Vector3 const& p = (distToStartPoly > 7.0f) ? startPos : endPos;
            if (_sourceUnit->GetBaseMap()->IsUnderWater(p.x, p.y, p.z))
            {
                TC_LOG_DEBUG("maps", "++ BuildPolyPath :: underWater case\n");
                if (owner->CanSwim())
                    buildShotrcut = true;
            }
            else
            {
                TC_LOG_DEBUG("maps", "++ BuildPolyPath :: flying case\n");
                if (owner->CanFly())
                    buildShotrcut = true;
            }
        }

        if (buildShotrcut)
        {
            BuildShortcut();
            _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
            return;
        }
        else
        {
            float closestPoint[VERTEX_SIZE];
            // we may want to use closestPointOnPolyBoundary instead
            if (dtStatusSucceed(_navMeshQuery->closestPointOnPoly(endPoly, endPoint, closestPoint, NULL)))
            {
                dtVcopy(endPoint, closestPoint);
                SetActualEndPosition(G3D::Vector3(endPoint[2], endPoint[0], endPoint[1]));
            }

            _type = PATHFIND_INCOMPLETE;
        }
    }

    // *** poly path generating logic ***

    // start and end are on same polygon
    // just need to move in straight line
    if (startPoly == endPoly)
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: (startPoly == endPoly)\n");

        BuildShortcut();

        _pathPolyRefs[0] = startPoly;
        _polyLength = 1;

        _type = farFromPoly ? PATHFIND_INCOMPLETE : PATHFIND_NORMAL;
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: path type %d\n", _type);
        return;
    }

    // look for startPoly/endPoly in current path
    /// @todo we can merge it with getPathPolyByPosition() loop
    bool startPolyFound = false;
    bool endPolyFound = false;
    uint32 pathStartIndex = 0;
    uint32 pathEndIndex = 0;

    if (_polyLength)
    {
        for (; pathStartIndex < _polyLength; ++pathStartIndex)
        {
            // here to catch few bugs
            if (_pathPolyRefs[pathStartIndex] == INVALID_POLYREF)
            {
                TC_LOG_ERROR("maps", "Invalid poly ref in BuildPolyPath. _polyLength: %u, pathStartIndex: %u,"
                                     " startPos: %s, endPos: %s, mapid: %u",
                                     _polyLength, pathStartIndex, startPos.toString().c_str(), endPos.toString().c_str(),
                                     _sourceUnit->GetMapId());

                break;
            }

            if (_pathPolyRefs[pathStartIndex] == startPoly)
            {
                startPolyFound = true;
                break;
            }
        }

        for (pathEndIndex = _polyLength-1; pathEndIndex > pathStartIndex; --pathEndIndex)
            if (_pathPolyRefs[pathEndIndex] == endPoly)
            {
                endPolyFound = true;
                break;
            }
    }

    if (startPolyFound && endPolyFound)
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: (startPolyFound && endPolyFound)\n");

        // we moved along the path and the target did not move out of our old poly-path
        // our path is a simple subpath case, we have all the data we need
        // just "cut" it out

        _polyLength = pathEndIndex - pathStartIndex + 1;
        memmove(_pathPolyRefs, _pathPolyRefs + pathStartIndex, _polyLength * sizeof(dtPolyRef));
    }
    else if (startPolyFound && !endPolyFound)
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: (startPolyFound && !endPolyFound)\n");

        // we are moving on the old path but target moved out
        // so we have atleast part of poly-path ready

        _polyLength -= pathStartIndex;

        // try to adjust the suffix of the path instead of recalculating entire length
        // at given interval the target cannot get too far from its last location
        // thus we have less poly to cover
        // sub-path of optimal path is optimal

        // take ~80% of the original length
        /// @todo play with the values here
        uint32 prefixPolyLength = uint32(_polyLength * 0.8f + 0.5f);
        memmove(_pathPolyRefs, _pathPolyRefs+pathStartIndex, prefixPolyLength * sizeof(dtPolyRef));

        dtPolyRef suffixStartPoly = _pathPolyRefs[prefixPolyLength-1];

        // we need any point on our suffix start poly to generate poly-path, so we need last poly in prefix data
        float suffixEndPoint[VERTEX_SIZE];
        if (dtStatusFailed(_navMeshQuery->closestPointOnPoly(suffixStartPoly, endPoint, suffixEndPoint, NULL)))
        {
            // we can hit offmesh connection as last poly - closestPointOnPoly() don't like that
            // try to recover by using prev polyref
            --prefixPolyLength;
            suffixStartPoly = _pathPolyRefs[prefixPolyLength-1];
            if (dtStatusFailed(_navMeshQuery->closestPointOnPoly(suffixStartPoly, endPoint, suffixEndPoint, NULL)))
            {
                // suffixStartPoly is still invalid, error state
                BuildShortcut();
                _type = PATHFIND_NOPATH;
                return;
            }
        }

        // generate suffix
        uint32 suffixPolyLength = 0;

        dtStatus dtResult;
        if (_straightLine)
        {
            float hit = 0;
            float hitNormal[3];
            memset(hitNormal, 0, sizeof(hitNormal));

            dtResult = _navMeshQuery->raycast(
                            suffixStartPoly,
                            suffixEndPoint,
                            endPoint,
                            &_filter,
                            &hit,
                            hitNormal,
                            _pathPolyRefs + prefixPolyLength - 1,
                            (int*)&suffixPolyLength,
                            MAX_PATH_LENGTH - prefixPolyLength);

            // raycast() sets hit to FLT_MAX if there is a ray between start and end
            if (hit != FLT_MAX)
            {
                // the ray hit something, return no path instead of the incomplete one
                _type = PATHFIND_NOPATH;
                return;
            }
        }
        else
        {
            dtResult = _navMeshQuery->findPath(
                            suffixStartPoly,    // start polygon
                            endPoly,            // end polygon
                            suffixEndPoint,     // start position
                            endPoint,           // end position
                            &_filter,            // polygon search filter
                            _pathPolyRefs + prefixPolyLength - 1,    // [out] path
                            (int*)&suffixPolyLength,
                            MAX_PATH_LENGTH - prefixPolyLength);   // max number of polygons in output path
        }

        if (!suffixPolyLength || dtStatusFailed(dtResult))
        {
            // this is probably an error state, but we'll leave it
            // and hopefully recover on the next Update
            // we still need to copy our preffix
            TC_LOG_ERROR("maps", "%u's Path Build failed: 0 length path", _sourceUnit->GetGUIDLow());
        }

        TC_LOG_DEBUG("maps", "++  m_polyLength=%u prefixPolyLength=%u suffixPolyLength=%u \n", _polyLength, prefixPolyLength, suffixPolyLength);

        // new path = prefix + suffix - overlap
        _polyLength = prefixPolyLength + suffixPolyLength - 1;
    }
    else
    {
        TC_LOG_DEBUG("maps", "++ BuildPolyPath :: (!startPolyFound && !endPolyFound)\n");

        // either we have no path at all -> first run
        // or something went really wrong -> we aren't moving along the path to the target
        // just generate new path

        // free and invalidate old path data
        Clear();

        dtStatus dtResult;
        if (_straightLine)
        {
            float hit = 0;
            float hitNormal[3];
            memset(hitNormal, 0, sizeof(hitNormal));

            dtResult = _navMeshQuery->raycast(
                            startPoly,
                            startPoint,
                            endPoint,
                            &_filter,
                            &hit,
                            hitNormal,
                            _pathPolyRefs,
                            (int*)&_polyLength,
                            MAX_PATH_LENGTH);

            // raycast() sets hit to FLT_MAX if there is a ray between start and end
            if (hit != FLT_MAX)
            {
                // the ray hit something, return no path instead of the incomplete one
                _type = PATHFIND_NOPATH;
                return;
            }
        }
        else
        {
            dtResult = _navMeshQuery->findPath(
                            startPoly,          // start polygon
                            endPoly,            // end polygon
                            startPoint,         // start position
                            endPoint,           // end position
                            &_filter,           // polygon search filter
                            _pathPolyRefs,     // [out] path
                            (int*)&_polyLength,
                            MAX_PATH_LENGTH);   // max number of polygons in output path
        }

        if (!_polyLength || dtStatusFailed(dtResult))
        {
            // only happens if we passed bad data to findPath(), or navmesh is messed up
            TC_LOG_ERROR("maps", "%u's Path Build failed: 0 length path", _sourceUnit->GetGUIDLow());
            BuildShortcut();
            _type = PATHFIND_NOPATH;
            return;
        }
    }

    // by now we know what type of path we can get
    if (_pathPolyRefs[_polyLength - 1] == endPoly && !(_type & PATHFIND_INCOMPLETE))
        _type = PATHFIND_NORMAL;
    else
        _type = PATHFIND_INCOMPLETE;

    // generate the point-path out of our up-to-date poly-path
    BuildPointPath(startPoint, endPoint);
}
Example #23
0
void PathFinder::BuildPointPath(const float* startPoint, const float* endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH * VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if (m_useStraightPath)
    {
        dtResult = m_navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                m_pointPathLimit);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = findSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                m_pathPolyRefs,     // current path
                m_polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                m_pointPathLimit);    // maximum number of points
    }

    if (pointCount < 2 || dtStatusFailed(dtResult))
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathFinder::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        m_type = PATHFIND_NOPATH;
        return;
    }

    uint32 tempPointCounter = 2;
    uint8  cutLimit         = 0;

    PointsArray    tempPathPoints;
    tempPathPoints.resize(pointCount);

    for (uint32 i = 0; i < pointCount; ++i)
        tempPathPoints[i] = Vector3(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]);

    // Optimize points
    for (uint32 i = 1; i < pointCount - 1; ++i)
    {
        G3D::Vector3 p  = tempPathPoints[i];     // Point        
        G3D::Vector3 p1 = tempPathPoints[i - 1]; // PrevPoint
        G3D::Vector3 p2 = tempPathPoints[i + 1]; // NextPoint

        float line = (p1.y - p2.y) * p.x + (p2.x - p1.x) * p.y + (p1.x * p2.y - p2.x * p1.y);

        if (fabs(line) < LINE_FAULT && cutLimit < SKIP_POINT_LIMIT)
        {
            tempPathPoints[i] = Vector3(0, 0, 0);
            ++cutLimit;
        }
        else
        {
            ++tempPointCounter;
            cutLimit = 0;
        }
    }

    m_pathPoints.resize(tempPointCounter);

    uint32 b = 0;
    for (uint32 i = 0; i < pointCount; ++i)
    {
        if (tempPathPoints[i] != Vector3(0, 0, 0))
        {
            m_pathPoints[b] = tempPathPoints[i];
            ++b;
        }
    }

    pointCount = tempPointCounter;

    // first point is always our current location - we need the next one
    setActualEndPosition(m_pathPoints[pointCount - 1]);

    // force the given destination, if needed
    if (m_forceDestination &&
        (!(m_type & PATHFIND_NORMAL) || !inRange(getEndPosition(), getActualEndPosition(), 1.0f, 1.0f)))
    {
        // we may want to keep partial subpath
        if (dist3DSqr(getActualEndPosition(), getEndPosition()) <
            0.3f * dist3DSqr(getStartPosition(), getEndPosition()))
        {
            setActualEndPosition(getEndPosition());
            m_pathPoints[m_pathPoints.size()-1] = getEndPosition();
        }
        else
        {
            setActualEndPosition(getEndPosition());
            BuildShortcut();
        }

        m_type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }

    DEBUG_FILTER_LOG(LOG_FILTER_PATHFINDING, "++ PathFinder::BuildPointPath path type %d size %d poly-size %d\n", m_type, pointCount, m_polyLength);
}
Example #24
0
void PathGenerator::BuildPointPath(const float *startPoint, const float *endPoint)
{
    float pathPoints[MAX_POINT_PATH_LENGTH*VERTEX_SIZE];
    uint32 pointCount = 0;
    dtStatus dtResult = DT_FAILURE;
    if (_useStraightPath)
    {
        dtResult = _navMeshQuery->findStraightPath(
                startPoint,         // start position
                endPoint,           // end position
                _pathPolyRefs,     // current path
                _polyLength,       // lenth of current path
                pathPoints,         // [out] path corner points
                NULL,               // [out] flags
                NULL,               // [out] shortened path
                (int*)&pointCount,
                _pointPathLimit);   // maximum number of points/polygons to use
    }
    else
    {
        dtResult = FindSmoothPath(
                startPoint,         // start position
                endPoint,           // end position
                _pathPolyRefs,     // current path
                _polyLength,       // length of current path
                pathPoints,         // [out] path corner points
                (int*)&pointCount,
                _pointPathLimit);    // maximum number of points
    }

    if (pointCount < 2 || dtResult != DT_SUCCESS)
    {
        // only happens if pass bad data to findStraightPath or navmesh is broken
        // single point paths can be generated here
        // TODO : check the exact cases
        sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::BuildPointPath FAILED! path sized %d returned\n", pointCount);
        BuildShortcut();
        _type = PATHFIND_NOPATH;
        return;
    }
    else if (pointCount == _pointPathLimit)
    {
        sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::BuildPointPath FAILED! path sized %d returned, lower than limit set to %d\n", pointCount, _pointPathLimit);
        BuildShortcut();
        _type = PATHFIND_SHORT;
        return;
    }

    _pathPoints.resize(pointCount);
    for (uint32 i = 0; i < pointCount; ++i)
        _pathPoints[i] = Vector3(pathPoints[i*VERTEX_SIZE+2], pathPoints[i*VERTEX_SIZE], pathPoints[i*VERTEX_SIZE+1]);

    NormalizePath();

    // first point is always our current location - we need the next one
    SetActualEndPosition(_pathPoints[pointCount-1]);

    // force the given destination, if needed
    if (_forceDestination &&
        (!(_type & PATHFIND_NORMAL) || !InRange(GetEndPosition(), GetActualEndPosition(), 1.0f, 1.0f)))
    {
        // we may want to keep partial subpath
        if (Dist3DSqr(GetActualEndPosition(), GetEndPosition()) < 0.3f * Dist3DSqr(GetStartPosition(), GetEndPosition()))
        {
            SetActualEndPosition(GetEndPosition());
            _pathPoints[_pathPoints.size()-1] = GetEndPosition();
        }
        else
        {
            SetActualEndPosition(GetEndPosition());
            BuildShortcut();
        }

        _type = PathType(PATHFIND_NORMAL | PATHFIND_NOT_USING_PATH);
    }

    //Custom Point for Bugged Zone (By saqi)
      float startEndDist = Dist3DSqr(GetStartPosition(), GetEndPosition());   

        //Blade edge arena (mapid)
        if (_sourceUnit->GetMapId() == 562)
        {
             //Your Position & Target Position
            if (startEndDist < 2500.0f && endPoint[2] <= 6230.803223f && startPoint[2] >= 6230.803223f && endPoint[1] >= 11.000000 && startPoint[1] >= 11.000000f && endPoint[0] >= 247.547917f && endPoint[0] <= 252.298940f)      // southeast pillar
            {
              //  Path X,y,z
                _pathPoints.resize(4);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(6234.506836f, 256.696106f, 11.400018f);
                _pathPoints[2] = Vector3(6231.472656f, 252.849335f, 11.400018f);
                _pathPoints[3] = GetEndPosition();
            }
            else if (startEndDist < 2500.0f && endPoint[2] >= 6246.201660f && startPoint[2] <= 6246.201660f && endPoint[1] >= 11.000000f && startPoint[1] >= 11.000000f && endPoint[0] >= 217.677917f && endPoint[0] <= 276.888794f) // northwest pillar
            {
                //  Path X,y,z
                _pathPoints.resize(4);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(6242.146484f, 267.531030f, 11.400000f);
                _pathPoints[2] = Vector3(6246.985352f, 271.076599f, 11.400000f);
                _pathPoints[3] = GetEndPosition();
            }
            if (startEndDist < 2500.0f && startPoint[2] <= 6230.803223f && endPoint[2] >= 6230.803223f && endPoint[1] >= 11.000000 && startPoint[1] >= 11.000000f && startPoint[0] >= 247.547917f && startPoint[0] <= 252.298940f)      // southeast pillar
            {
              //  Path X,y,z
                _pathPoints.resize(4);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(6231.472656f, 252.849335f, 11.400018f);
                _pathPoints[2] = Vector3(6234.506836f, 256.696106f, 11.400018f);
                _pathPoints[3] = GetEndPosition();
            }
            else if (startEndDist < 4000.0f && startPoint[2] >= 6246.201660f && endPoint[2] <= 6246.201660f && endPoint[1] >= 11.000000f && startPoint[1] >= 11.000000f && startPoint[0] >= 217.677917f && startPoint[0] <= 276.888794f) // northwest pillar
            {
                //  Path X,y,z
                _pathPoints.resize(4);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(6246.985352f, 271.076599f, 11.400000f);
                _pathPoints[2] = Vector3(6242.146484f, 267.531030f, 11.400000f);
                _pathPoints[3] = GetEndPosition();
            }
      }
       //Dalaran Sewer
       if (_sourceUnit->GetMapId() == 617)
        {
            if (startPoint[2] >= 1330.033223f && startPoint[1] >= 9.000000f)      // Canal 1#
            {
              //  Path X,y,z
                _pathPoints.resize(5);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(1332.749268f, 816.274780f, 8.355900f);
                _pathPoints[2] = Vector3(1325.749268f, 816.602539f, 5.4000000f);
                _pathPoints[3] = Vector3(1328.749268f, 816.602539f, 3.4000000f);
                _pathPoints[4] = GetEndPosition();
            }
            else if (startPoint[2] <= 1253.904785f && startPoint[1] >= 9.000000f)      // Canal 2#
            {
                //  Path X,y,z
                _pathPoints.resize(5);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(1252.425395f, 764.971680f, 8.000000f); 
                _pathPoints[3] = Vector3(1255.425395f, 764.971680f, 5.3559000f);
                _pathPoints[3] = Vector3(1257.425395f, 764.971680f, 3.3559000f);
                _pathPoints[4] = GetEndPosition();
            }
         }
	         //Eye of The Storm
       if (_sourceUnit->GetMapId() == 566)
        {
            if (startPoint[2] <= 1850.003223f && startPoint[1] >= 1237.000000f && startPoint[0] >= 1501.420000f && startPoint[0] <= 1579.960000f)      // StartZone Horde
            {
              //  Path X,y,z
                _pathPoints.resize(5);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(1847.004468f, 1540.660539f, 1243.400000f);
			    _pathPoints[2] = Vector3(1842.883268f, 1527.123839f, 1238.410000f);
			    _pathPoints[3] = Vector3(1839.593268f, 1519.479539f, 1229.428000f);
                _pathPoints[4] = GetEndPosition();
            }
            if (startPoint[2] >= 2484.003223f && startPoint[1] >= 1240.000000f && startPoint[0] >= 1567.420000f && startPoint[0] <= 1626.960000f)      // StartZone Alliance
            {
                //  Path X,y,z
                _pathPoints.resize(5);
                _pathPoints[0] = GetStartPosition();
                _pathPoints[1] = Vector3(2485.154468f, 1596.583439f, 1244.898315f);
			    _pathPoints[2] = Vector3(2482.733268f, 1608.305649f, 1238.092000f);
			    _pathPoints[3] = Vector3(2488.073268f, 1623.749539f, 1227.788000f);
                _pathPoints[4] = GetEndPosition();
            }
         }
     //Custom Point for Bugged Zone 
    sLog->outDebug(LOG_FILTER_MAPS, "++ PathGenerator::BuildPointPath path type %d size %d poly-size %d\n", _type, pointCount, _polyLength);
}