Function performPatchScaleTest

test/TextureManipulation.cpp:278–317

}

void performPatchScaleTest(const Vector2& scale)
{
    // We create two patches, each of them should be scaled independently
    auto worldspawn = GlobalMapModule().findOrInsertWorldspawn();
    auto patchNode1 = algorithm::createPatchFromBounds(worldspawn, AABB(Vector3(4, 50, 60), Vector3(64, 128, 256)), "textures/numbers/1");
    auto patchNode2 = algorithm::createPatchFromBounds(worldspawn, AABB(Vector3(4, 50, -5), Vector3(64, 128, 64)), "textures/numbers/1");

    auto patch1 = Node_getIPatch(patchNode1);
    auto patch2 = Node_getIPatch(patchNode2);
    patch1->scaleTextureNaturally();
    patch1->controlPointsChanged();
    patch2->scaleTextureNaturally();
    patch2->controlPointsChanged();

    Node_setSelected(patchNode1, true);
    Node_setSelected(patchNode2, true);

    std::vector<Vector2> oldTexCoords1;
    std::vector<Vector2> oldTexCoords2;
    algorithm::foreachPatchVertex(*patch1, [&](const PatchControl& ctrl) { oldTexCoords1.push_back(ctrl.texcoord); });
    algorithm::foreachPatchVertex(*patch2, [&](const PatchControl& ctrl) { oldTexCoords2.push_back(ctrl.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 uvBounds1 = algorithm::getTextureSpaceBounds(*patch1);
    auto uvBounds2 = algorithm::getTextureSpaceBounds(*patch2);

    std::vector<Vector2> newTexCoords1;
    std::vector<Vector2> newTexCoords2;
    algorithm::foreachPatchVertex(*patch1, [&](const PatchControl& ctrl) { newTexCoords1.push_back(ctrl.texcoord); });
    algorithm::foreachPatchVertex(*patch2, [&](const PatchControl& ctrl) { newTexCoords2.push_back(ctrl.texcoord); });

    Vector2 pivot(uvBounds1.origin.x(), uvBounds1.origin.y());
    assumeVerticesHaveBeenScaled(oldTexCoords1, newTexCoords1, scale, pivot);

    Vector2 pivot2(uvBounds2.origin.x(), uvBounds2.origin.y());
    assumeVerticesHaveBeenScaled(oldTexCoords2, newTexCoords2, scale, pivot2);
}

}