Function performFaceScaleTest

test/TextureManipulation.cpp:248–276

}

void performFaceScaleTest(const Vector2& scale)
{
    auto worldspawn = GlobalMapModule().findOrInsertWorldspawn();
    auto brush = algorithm::createCubicBrush(worldspawn, Vector3(0, 256, 256), "textures/numbers/1");
    Node_setSelected(brush, true);

    auto faceUp = algorithm::findBrushFaceWithNormal(Node_getIBrush(brush), Vector3(0, 0, 1));

    std::vector<Vector2> oldTexCoords;
    for (const auto& vertex : faceUp->getWinding())
    {
        oldTexCoords.push_back(vertex.texcoord);
    }

    // The incoming scale values are absolute 1.05 == 105%, the command accepts relative values, 0.05 == 105%
    auto zeroBasedScale = scale - Vector2(1, 1);
    GlobalCommandSystem().executeCommand("TexScale", { cmd::Argument(zeroBasedScale) });

    auto faceUvBounds = algorithm::getTextureSpaceBounds(*faceUp);

    std::vector<Vector2> newTexCoords;
    for (const auto& vertex : faceUp->getWinding())
    {
        newTexCoords.push_back(vertex.texcoord);
    }

    Vector2 pivot(faceUvBounds.origin.x(), faceUvBounds.origin.y());
    assumeVerticesHaveBeenScaled(oldTexCoords, newTexCoords, scale, pivot);
}

void performPatchScaleTest(const Vector2& scale)
{