Method Init

Source/Engine/Terrain/TerrainPatch.cpp:64–109

}

void TerrainPatch::Init(Terrain* terrain, int16 x, int16 z)
{
    PROFILE_MEM(LevelTerrain);
    ScopeLock lock(_collisionLocker);

    _terrain = terrain;
    _physicsShape = nullptr;
    _physicsActor = nullptr;
    _physicsHeightField = nullptr;
    _x = x;
    _z = z;
    const float size = _terrain->_chunkSize * TERRAIN_UNITS_PER_VERTEX * Terrain::ChunksCountEdge;
    _offset = Float3(_x * size, 0.0f, _z * size);
    _yOffset = 0.0f;
    _yHeight = 1.0f;
    for (int32 i = 0; i < Terrain::ChunksCount; i++)
    {
        Chunks[i].Init(this, i % Terrain::ChunksCountEdge, i / Terrain::ChunksCountEdge);
    }
    Heightmap = nullptr;
    for (int32 i = 0; i < TERRAIN_MAX_SPLATMAPS_COUNT; i++)
    {
        Splatmap[i] = nullptr;
    }
    _heightfield = nullptr;
#if TERRAIN_EDITING
    _cachedHeightMap.Resize(0);
    _cachedHolesMask.Resize(0);
    _wasHeightModified = false;
    for (int32 i = 0; i < TERRAIN_MAX_SPLATMAPS_COUNT; i++)
    {
        _cachedSplatMap[i].Resize(0);
        _wasSplatmapModified[i] = false;
    }
#endif
#if TERRAIN_USE_PHYSICS_DEBUG
    SAFE_DELETE_GPU_RESOURCE(_debugLines);
    _debugLinesDirty = true;
#endif
#if USE_EDITOR
    _collisionTriangles.Resize(0);
    SAFE_DELETE_GPU_RESOURCE(_collisionTrianglesBuffer);
    _collisionTrianglesBufferDirty = true;
#endif
    _collisionVertices.Resize(0);
}

TerrainPatch::~TerrainPatch()
{