tests/unit_tests/runtime/hittest_test.cpp

/*
 * Copyright 2022 Rive
 */

#include <rive/math/aabb.hpp>
#include <rive/math/hit_test.hpp>
#include <rive/nested_artboard.hpp>
#include <rive/animation/state_machine_instance.hpp>
#include <rive/animation/state_machine_input_instance.hpp>
#include <rive/animation/nested_state_machine.hpp>
#include <rive/animation/animation_state.hpp>
#include <rive/viewmodel/viewmodel_instance_number.hpp>
#include "rive_file_reader.hpp"
#include "utils/serializing_factory.hpp"

#include <catch.hpp>
#include <cstdio>

using namespace rive;

TEST_CASE("hittest-basics", "[hittest]")
{
    HitTester tester;
    tester.reset({10, 10, 12, 12});
    tester.move({0, 0});
    tester.line({20, 0});
    tester.line({20, 20});
    tester.line({0, 20});
    tester.close();
    REQUIRE(tester.test());

    IAABB area = {81, 156, 84, 159};

    Vec2D pts[] = {
        {29.9785f, 32.5261f},
        {231.102f, 32.5261f},
        {231.102f, 269.898f},
        {29.9785f, 269.898f},
    };
    tester.reset(area);

    tester.move(pts[0]);
    for (int i = 1; i < 4; ++i)
    {
        tester.line(pts[i]);
    }
    tester.close();
    REQUIRE(tester.test());
}

TEST_CASE("hittest-mesh", "[hittest]")
{

    const IAABB area{10, 10, 12, 12};

    Vec2D verts[] = {
        {0, 0},
        {20, 10},
        {0, 20},
    };
    uint16_t indices[] = {
        0,
        1,
        2,
    };
    REQUIRE(
        HitTester::testMesh(area, make_span(verts, 3), make_span(indices, 3)));
}

TEST_CASE("hit test on opaque target", "[hittest]")
{
    // This artboard has two rects of size 200 x 200, "red-activate" at [0, 0,
    // 200, 200] and "green-activate" at [0, 100, 200, 300] "red-activate" is
    // above "green-activate" in drawing order Both targets are set as opaque
    // for its listeners "red-activate" sets "toGreen" to false "green-activate"
    // sets "toGreen" to true There is also a "gray-activate" above the other 2
    // that is not opaque so events should traverse through the other targets
    auto file = ReadRiveFile("assets/opaque_hit_test.riv");

    auto artboard = file->artboard("main");
    auto artboardInstance = artboard->instance();
    auto stateMachine = artboard->stateMachine("main-state-machine");

    REQUIRE(artboardInstance != nullptr);
    REQUIRE(artboardInstance->stateMachineCount() == 1);

    REQUIRE(stateMachine != nullptr);

    rive::StateMachineInstance* stateMachineInstance =
        new rive::StateMachineInstance(stateMachine, artboardInstance.get());

    stateMachineInstance->advance(0.0f);
    artboardInstance->advance(0.0f);
    REQUIRE(stateMachineInstance->needsAdvance() == true);
    stateMachineInstance->advance(0.0f);

    auto toGreenToggle = stateMachineInstance->getBool("toGreen");
    REQUIRE(toGreenToggle != nullptr);
    auto grayToggle = stateMachineInstance->getBool("grayToggle");
    REQUIRE(grayToggle != nullptr);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 50.0f));
    // "gray-activate" is clicked
    REQUIRE(grayToggle->value() == true);
    // Pointer only over "red-activate"
    REQUIRE(toGreenToggle->value() == false);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 250.0f));
    // "gray-activate" is clicked
    REQUIRE(grayToggle->value() == false);
    // Pointer over "green-activate"
    REQUIRE(toGreenToggle->value() == true);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 110.0f));
    // "gray-activate" is clicked
    REQUIRE(grayToggle->value() == true);
    // Pointer over "red-activate" and "green-activate", but "red-activate" is
    // opaque and above so green activate does not trigger
    REQUIRE(toGreenToggle->value() == false);
    delete stateMachineInstance;
}

TEST_CASE("hit test on opaque nested artboard", "[hittest]")
{
    // This artboard (300x300) has a main rect at [0, 0, 300, 300]
    // this rect has a listener that toggles "second-gray-toggle"
    // and a nested artboard at [0, 0, 150, 150]
    // the nested artboard and the rect have opaque targets
    auto file = ReadRiveFile("assets/opaque_hit_test.riv");

    auto artboard = file->artboard("second");
    auto artboardInstance = artboard->instance();
    auto stateMachine = artboard->stateMachine("second-state-machine");

    REQUIRE(artboardInstance != nullptr);
    REQUIRE(artboardInstance->stateMachineCount() == 1);

    REQUIRE(stateMachine != nullptr);

    rive::StateMachineInstance* stateMachineInstance =
        new rive::StateMachineInstance(stateMachine, artboardInstance.get());

    auto nestedArtboard =
        stateMachineInstance->artboard()->find<rive::NestedArtboard>(
            "second-nested");
    REQUIRE(nestedArtboard != nullptr);
    auto nestedArtboardStateMachine =
        nestedArtboard->nestedAnimations()[0]->as<NestedStateMachine>();
    REQUIRE(nestedArtboardStateMachine != nullptr);
    auto nestedArtboardStateMachineInstance =
        nestedArtboardStateMachine->stateMachineInstance();

    auto secondNestedBoolTarget =
        nestedArtboardStateMachineInstance->getBool("bool-target");
    REQUIRE(secondNestedBoolTarget != nullptr);

    artboardInstance->advance(0.0f);
    stateMachineInstance->advanceAndApply(0.0f);

    REQUIRE(secondNestedBoolTarget->value() == false);

    auto secondGrayToggle = stateMachineInstance->getBool("second-gray-toggle");
    REQUIRE(secondGrayToggle != nullptr);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 250.0f));
    // toggle changes value because it is not under an opaque nested artboard
    REQUIRE(secondGrayToggle->value() == true);

    stateMachineInstance->pointerDown(rive::Vec2D(301.0f, 50.0f));
    // toggle does not change because it is beyond the area of the square by 1
    // pixel And the 2px padding is unly used after the coarse grained test
    // passes
    REQUIRE(secondGrayToggle->value() == true);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 50.0f));
    // toggle does not change because it is under an opaque nested artboard
    REQUIRE(secondGrayToggle->value() == true);

    // nested toggle changes because it's on top of shape
    REQUIRE(secondNestedBoolTarget->value() == true);

    // A timeline switches draw order and the nested artboard is now below the
    // rect
    stateMachineInstance->advanceAndApply(1.0f);
    stateMachineInstance->advance(0.0f);

    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 50.0f));
    // So now the pointer down is captured by the rect
    REQUIRE(secondGrayToggle->value() == false);

    // nested toggle does not change because it's below shape
    REQUIRE(secondNestedBoolTarget->value() == true);
    delete stateMachineInstance;
}

TEST_CASE("early out on listeners", "[hittest]")
{
    auto file = ReadRiveFile("assets/pointer_events.riv");

    auto artboard = file->artboard("art-1");
    auto artboardInstance = artboard->instance();
    auto stateMachine = artboard->stateMachine("sm-1");

    REQUIRE(artboardInstance != nullptr);
    REQUIRE(artboardInstance->stateMachineCount() == 1);

    REQUIRE(stateMachine != nullptr);

    rive::StateMachineInstance* stateMachineInstance =
        new rive::StateMachineInstance(stateMachine, artboardInstance.get());

    stateMachineInstance->advance(0.0f);
    artboardInstance->advance(0.0f);
    REQUIRE(stateMachineInstance->needsAdvance() == true);
    stateMachineInstance->advance(0.0f);
    REQUIRE(stateMachineInstance->hitComponentsCount() == 4);
    // Hit component with only pointer down and pointer up listeners
    auto hitComponentWithEarlyOut = stateMachineInstance->hitComponent(0);
    // Hit component that can't early out because it has a pointer enter event
    auto hitComponentWithNoEarlyOut = stateMachineInstance->hitComponent(1);
    // Hit component that can't early out because it is an opaque target
    auto hitComponentOpaque = stateMachineInstance->hitComponent(2);
    // Hit component that can early out on all and pointer up
    auto hitComponentOnlyPointerDown = stateMachineInstance->hitComponent(3);
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 0);
    stateMachineInstance->pointerMove(rive::Vec2D(100.0f, 250.0f));
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 1);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 1);
    stateMachineInstance->pointerExit(rive::Vec2D(100.0f, 250.0f));
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 2);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 2);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    stateMachineInstance->pointerDown(rive::Vec2D(100.0f, 250.0f));
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 2);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 2);
    stateMachineInstance->pointerUp(rive::Vec2D(100.0f, 250.0f));
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 2);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 3);
    stateMachineInstance->pointerMove(rive::Vec2D(105.0f, 205.0f));
    REQUIRE(hitComponentWithEarlyOut->earlyOutCount == 3);
    REQUIRE(hitComponentWithNoEarlyOut->earlyOutCount == 0);
    REQUIRE(hitComponentOpaque->earlyOutCount == 0);
    REQUIRE(hitComponentOnlyPointerDown->earlyOutCount == 4);

    delete stateMachineInstance;
}

TEST_CASE("click event", "[hittest]")
{
    // This test has two rectangles of size [200, 200]
    // positioned at [100,100] and [200, 200]
    // they overlap between coordinates [100,100]-[200, 200]
    // they are inside a group that has a listener attached to it
    // that listener should fire an event on "Click"
    auto file = ReadRiveFile("assets/click_event.riv");

    auto artboard = file->artboard("art-1");
    auto artboardInstance = artboard->instance();
    auto stateMachine = artboard->stateMachine("sm-1");

    REQUIRE(artboardInstance != nullptr);
    REQUIRE(artboardInstance->stateMachineCount() == 1);

    REQUIRE(stateMachine != nullptr);

    rive::StateMachineInstance* stateMachineInstance =
        new rive::StateMachineInstance(stateMachine, artboardInstance.get());

    stateMachineInstance->advance(0.0f);
    artboardInstance->advance(0.0f);
    REQUIRE(stateMachineInstance->needsAdvance() == true);
    stateMachineInstance->advance(0.0f);
    // There is a single listener with two shapes in it
    REQUIRE(stateMachineInstance->hitComponentsCount() == 2);
    auto layerCount = stateMachine->layerCount();
    REQUIRE(layerCount == 1);
    REQUIRE(stateMachineInstance->reportedEventCount() == 0);
    // Click in place should trigger a click event
    stateMachineInstance->pointerDown(rive::Vec2D(75.0f, 75.0f));
    stateMachineInstance->pointerUp(rive::Vec2D(75.0f, 75.0f));
    REQUIRE(stateMachineInstance->reportedEventCount() == 1);
    // Pointer down inside shape but Pointer up outside the shape
    // should not trigger a click event
    stateMachineInstance->pointerDown(rive::Vec2D(75.0f, 75.0f));
    stateMachineInstance->pointerUp(rive::Vec2D(300.0f, 75.0f));
    REQUIRE(stateMachineInstance->reportedEventCount() == 1);
    // Pointer down outside shape but Pointer up inside the shape
    // should not trigger a click event
    stateMachineInstance->pointerDown(rive::Vec2D(300.0f, 75.0f));
    stateMachineInstance->pointerUp(rive::Vec2D(75.0f, 75.0f));
    REQUIRE(stateMachineInstance->reportedEventCount() == 1);
    // Pointer down in shape 1 Pointer up in shape 2 of the same group
    // should trigger a click event
    stateMachineInstance->pointerDown(rive::Vec2D(75.0f, 75.0f));
    stateMachineInstance->pointerUp(rive::Vec2D(225.0f, 225.0f));
    REQUIRE(stateMachineInstance->reportedEventCount() == 2);
    // Pointer down and up in area where both shapes overlap
    // should trigger a single click event
    stateMachineInstance->pointerDown(rive::Vec2D(150.0f, 150.0f));
    stateMachineInstance->pointerUp(rive::Vec2D(150.0f, 150.0f));
    REQUIRE(stateMachineInstance->reportedEventCount() == 3);

    delete stateMachineInstance;
}

TEST_CASE("multiple shapes with mouse movement behavior", "[hittest]")
{
    // This test has two rectangles of size [200, 200]
    // positioned at [100,100] and [100, 200]
    // they overlap between coordinates [100,0]-[200, 200]
    // they are inside a group that has a Pointer enter and a Pointer out
    // listeners that toggle between two states (red and green)
    // starting at "red"
    auto file = ReadRiveFile("assets/click_event.riv");

    auto artboard = file->artboard("art-2");
    auto artboardInstance = artboard->instance();
    auto stateMachine = artboard->stateMachine("sm-1");

    REQUIRE(artboardInstance != nullptr);
    REQUIRE(artboardInstance->stateMachineCount() == 1);

    REQUIRE(stateMachine != nullptr);

    rive::StateMachineInstance* stateMachineInstance =
        new rive::StateMachineInstance(stateMachine, artboardInstance.get());

    stateMachineInstance->advance(0.0f);
    artboardInstance->advance(0.0f);
    REQUIRE(stateMachineInstance->needsAdvance() == true);
    stateMachineInstance->advance(0.0f);
    // There is a single listener with two shapes in it
    REQUIRE(stateMachineInstance->hitComponentsCount() == 2);
    auto layerCount = stateMachine->layerCount();
    REQUIRE(layerCount == 1);
    // Move over the first shape
    stateMachineInstance->pointerMove(rive::Vec2D(75.0f, 75.0f));
    artboardInstance->advance(0.0f);
    stateMachineInstance->advanceAndApply(0.0f);

    {
        auto state = stateMachineInstance->layerState(0);
        REQUIRE(state->is<rive::AnimationState>());
        auto animation = state->as<rive::AnimationState>()->animation();
        REQUIRE(animation->name() == "green");
    }
    // Move over the second shape, nothing should change
    stateMachineInstance->pointerMove(rive::Vec2D(200.0f, 75.0f));
    artboardInstance->advance(0.0f);
    stateMachineInstance->advanceAndApply(0.0f);

    {
        auto state = stateMachineInstance->layerState(0);
        REQUIRE(state->is<rive::AnimationState>());
        auto animation = state->as<rive::AnimationState>()->animation();
        REQUIRE(animation->name() == "green");
    }
    // Move out of the second shape, should go back to red
    stateMachineInstance->pointerMove(rive::Vec2D(400.0f, 75.0f));
    artboardInstance->advance(0.0f);
    stateMachineInstance->advanceAndApply(0.0f);

    {
        auto state = stateMachineInstance->layerState(0);
        REQUIRE(state->is<rive::AnimationState>());
        auto animation = state->as<rive::AnimationState>()->animation();
        REQUIRE(animation->name() == "red");
    }
    // Move back into the second shape, should go to green
    stateMachineInstance->pointerMove(rive::Vec2D(200.0f, 75.0f));
    artboardInstance->advance(0.0f);
    stateMachineInstance->advanceAndApply(0.0f);

    {
        auto state = stateMachineInstance->layerState(0);
        REQUIRE(state->is<rive::AnimationState>());
        auto animation = state->as<rive::AnimationState>()->animation();
        REQUIRE(animation->name() == "green");
    }

    delete stateMachineInstance;
}

TEST_CASE("Shape clipped by parent layout", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab-1");

    silver.frameSize(artboard->width(), artboard->height());

    REQUIRE(artboard != nullptr);
    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Move over the shape
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(50.0f, 150.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    // Move within the shape but the wrapping layout is clipped
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(260.0f, 150.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("hittest_ab1"));
}

TEST_CASE("Shape clipped by parent artboard", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab1-parent");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Move over the shape
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(370.0f, 110.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    // Move within the shape but the wrapping parent layout in the nested
    // artboard is clipped
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(370.0f, 180.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("hittest_ab1_parent"));
}

TEST_CASE("Shape clipped by parent and grand-parent artboard", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab1-grand-parent");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Move over the shape but outside the grand parent clipping area
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(370.0f, 250.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    // Move within the shape in a non-clipped area
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(370.0f, 190.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    // Move over the shape but outside the parent clipping area
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(510.0f, 190.0f));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("hittest_ab1_grand_parent"));
}

TEST_CASE("Artboard list component with scrolling behavior", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab-2-non-virtualized");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);
    auto scrollProp =
        vmi->propertyValue("scroll-offset")->as<ViewModelInstanceNumber>();

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    silver.addFrame();
    scrollProp->propertyValue(-100);
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    auto initCoord = 0.0f;

    initCoord = 200.0f;
    // First move in an area of the artboard where there are listed components
    // but they are clipped.
    while (initCoord > 100.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 10;
    }

    // Next jump to a position of the state to start scrolling the elements
    // Should be noticed that the previous hovered components did not turn green
    initCoord = 75.0f;
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(50.0f, initCoord));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());
    while (initCoord > -500.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 20;
    }
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(50.0f, initCoord));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // After scroll has ended, move pointer over all visible elements that
    // should turn green
    initCoord = 110.0f;
    while (initCoord > -5.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 4;
    }

    CHECK(silver.matches("hittest_ab_2_non_virtualized"));
}

TEST_CASE(
    "Artboard list component with scrolling behavior virtualized and carousel",
    "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab-2-virtualized");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);
    auto scrollProp =
        vmi->propertyValue("scroll-offset")->as<ViewModelInstanceNumber>();

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    silver.addFrame();
    scrollProp->propertyValue(-100);
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());

    auto initCoord = 0.0f;

    initCoord = 200.0f;
    // First move in an area of the artboard where there are listed components
    // but they are clipped In this test, since the scroll is virtualized, the
    // pointer is not actually hovering over clipped components at all
    while (initCoord > 100.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 10;
    }

    // Next jump to a position of the state to start scrolling the elements
    // Should be noticed that the previous hovered components did not turn green
    initCoord = 75.0f;
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(50.0f, initCoord));
    stateMachine->advanceAndApply(0.1f);
    artboard->draw(renderer.get());
    while (initCoord > -500.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 20;
    }
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(50.0f, initCoord));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // After scroll has ended, move pointer over all visible elements that
    // should turn green
    initCoord = 110.0f;
    while (initCoord > -5.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord -= 4;
    }

    CHECK(silver.matches("hittest_ab_2_virtualized"));
}

TEST_CASE("Hit testing text in multiple layouts rotated and scaled", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab-text-parent");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    auto initCoord = 400.0f;
    // First move the cursor from left to right through the text
    // within a clipped and non-clipped area
    while (initCoord < 550.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(initCoord, 320.0f));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord += 10;
    }

    initCoord = 200.0f;
    // First move the cursor from top to bottom through the text
    // within a clipped and non-clipped area
    while (initCoord < 450.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(500.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord += 10;
    }

    CHECK(silver.matches("hittest_ab_text_parent"));
}

TEST_CASE("Hit testing shapes in layouts", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_test.riv", &silver);

    auto artboard = file->artboardNamed("ab-shape-parent");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    auto initCoord = 0.0f;
    // First move the cursor from left to right through the text
    // within a clipped and non-clipped area
    while (initCoord < 550.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(310.0f, initCoord));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord += 20;
    }

    initCoord = 220.0f;
    // First move the cursor from top to bottom through the text
    // within a clipped and non-clipped area
    while (initCoord < 530.0f)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(initCoord, 420.0f));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
        initCoord += 20;
    }

    CHECK(silver.matches("hittest_ab_shape_parent"));
}

TEST_CASE("Hit testing objects inside shapes", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/hit_test_nested.riv", &silver);

    auto artboard = file->artboardNamed("Main");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Hover shape in another shape with no path
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(150.0f, 150.0f));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Hover nested artboard in another shape with no path
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(300.0f, 200.0f));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Hover text in another shape with path
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(100.0f, 250.0f));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Hover nested artboard in another shape with path
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(400.0f, 350.0f));
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("hittest_nested"));
}
TEST_CASE("Pointer exit works correctly", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/pointer_exit.riv", &silver);

    auto artboard = file->artboardNamed("main");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());
    // Move from [100.0, 250.0] to [400.0, 250.0]
    // This will hover over two nested artboards and should unhover once an
    // opaque target is hit
    float mousePos = 100.0f;
    for (mousePos = 100.0f; mousePos <= 400; mousePos += 30)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(mousePos, 250.0f));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
    }

    // Move from [500.0, 250.0] to [100.0, 250.0]
    // This movement will start at the opaque target and should only trigger the
    // hover effect once it reaches the emousePosed sections of the nseted
    // artboards
    for (mousePos = 500.0f; mousePos > 100; mousePos -= 30)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(mousePos, 250.0f));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
    }

    // Move from [240.0, 390.0] to [240.0, 90.0]
    // This movement will start at the opaque target and should only trigger the
    // hover effect once it reaches the emousePosed sections of the nseted
    // artboards
    for (mousePos = 500.0f; mousePos > 100; mousePos -= 30)
    {
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(240.0f, mousePos));
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
    }

    CHECK(silver.matches("pointer_exit"));
}

TEST_CASE("Hit testing multi touch events", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/multitouch.riv", &silver);

    auto artboard = file->artboardNamed("main");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Simple click with single pointer
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // New click gesture started with pointer id 1
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Pointer up with pointer id 0 should not complete the click gesture
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(200.0f, 350.0f), 0);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Pointer up with pointer id 1 should complete the click gesture
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    // Two click gestures interleaved: 1 down - 0 down - 0 up - 1 up
    // should toggle color twice
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(200.0f, 350.0f), 0);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(200.0f, 350.0f), 0);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(200.0f, 350.0f), 1);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("multitouch"));
}

TEST_CASE("Multitouch with nested artboard and pointer exit event", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/multitouch_enter.riv", &silver);

    auto artboard = file->artboardNamed("Main");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    // Script
    // Advancing by 0.0000s
    // Advancing by 0.0167s
    // Touch (id: 9) began at {122.5845,443.8406}
    // Advancing by 0.0167s
    // Touch (id: 8) began at {459.5410,188.4058}
    // Touch (id: 7) began at {333.3333,248.1884}
    // Advancing by 0.0167s
    // Touch (id: 8) ended at {459.5410,188.4058}
    // Touch (id: 8) exited at {459.5410,188.4058}
    // Touch (id: 9) ended at {123.7923,444.4445}
    // Touch (id: 9) exited at {123.7923,444.4445}
    // Touch (id: 7) ended at {333.3333,248.1884}
    // Touch (id: 7) exited at {333.3333,248.1884}
    // Advancing by 0.0167s
    // Touch (id: 7) began at {118.9613,439.6135}
    // Touch (id: 9) began at {346.6183,269.9276}
    // Touch (id: 8) began at {459.5410,194.4444}
    // Advancing by 0.0167s
    // Touch (id: 9) ended at {346.6183,269.9276}
    // Touch (id: 9) exited at {346.6183,269.9276}
    // Touch (id: 7) ended at {122.5845,440.8212}
    // Touch (id: 7) exited at {122.5845,440.8212}
    // Touch (id: 8) ended at {459.5410,194.4444}
    // Touch (id: 8) exited at {459.5410,194.4444}
    // Advancing by 0.0167s

    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(122.5845f, 443.8406f), 9);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerDown(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerExit(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerUp(rive::Vec2D(123.7923f, 444.4445f), 9);
    stateMachine->pointerExit(rive::Vec2D(123.7923f, 444.4445f), 9);
    stateMachine->pointerUp(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->pointerExit(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(118.9613f, 439.6135f), 7);
    stateMachine->pointerDown(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerDown(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerExit(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerUp(rive::Vec2D(122.5845f, 440.8212f), 7);
    stateMachine->pointerExit(rive::Vec2D(122.5845f, 440.8212f), 7);
    stateMachine->pointerUp(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->pointerExit(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());

    CHECK(silver.matches("multitouch_enter"));
}

TEST_CASE("Multitouch with list and pointer exit event", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/multitouch_enter.riv", &silver);

    auto artboard = file->artboardNamed("MainList");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    int viewModelId = artboard.get()->viewModelId();

    auto vmi = viewModelId == -1
                   ? file->createViewModelInstance(artboard.get())
                   : file->createViewModelInstance(viewModelId, 0);

    stateMachine->bindViewModelInstance(vmi);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(122.5845f, 443.8406f), 9);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerDown(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerExit(rive::Vec2D(459.5410f, 188.4058f), 8);
    stateMachine->pointerUp(rive::Vec2D(123.7923f, 444.4445f), 9);
    stateMachine->pointerExit(rive::Vec2D(123.7923f, 444.4445f), 9);
    stateMachine->pointerUp(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->pointerExit(rive::Vec2D(333.3333f, 248.1884f), 7);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerDown(rive::Vec2D(118.9613f, 439.6135f), 7);
    stateMachine->pointerDown(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerDown(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerUp(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerExit(rive::Vec2D(346.6183f, 269.9276f), 9);
    stateMachine->pointerUp(rive::Vec2D(122.5845f, 440.8212f), 7);
    stateMachine->pointerExit(rive::Vec2D(122.5845f, 440.8212f), 7);
    stateMachine->pointerUp(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->pointerExit(rive::Vec2D(459.5410f, 194.4444f), 8);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    silver.addFrame();
    stateMachine->pointerMove(rive::Vec2D(50.0f, 300.0f), 0, 7);
    stateMachine->pointerMove(rive::Vec2D(250.0f, 200.0f), 0, 8);
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    float xOffset = 0;
    while (xOffset < 300)
    {
        xOffset += 20;
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f + xOffset, 300.0f), 0, 7);
        stateMachine->pointerMove(rive::Vec2D(250.0f + xOffset, 200.0f), 0, 8);
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
    }

    CHECK(silver.matches("multitouch_enter-MainList"));
}

TEST_CASE("Multitouch with multi scroll", "[silver]")
{
    SerializingFactory silver;
    auto file = ReadRiveFile("assets/multitouch_enter.riv", &silver);

    auto artboard = file->artboardNamed("MultiScroll");
    REQUIRE(artboard != nullptr);

    silver.frameSize(artboard->width(), artboard->height());

    auto stateMachine = artboard->stateMachineAt(0);
    stateMachine->advanceAndApply(0.1f);

    auto renderer = silver.makeRenderer();
    artboard->draw(renderer.get());

    silver.addFrame();
    stateMachine->advanceAndApply(0.016f);
    artboard->draw(renderer.get());
    float yOffset = 400;
    stateMachine->pointerDown(rive::Vec2D(50.0f, yOffset), 7);
    stateMachine->pointerDown(rive::Vec2D(350.0f, yOffset), 8);
    while (yOffset > 0)
    {
        yOffset -= 20;
        silver.addFrame();
        stateMachine->pointerMove(rive::Vec2D(50.0f, yOffset), 0, 7);
        stateMachine->pointerMove(rive::Vec2D(350.0f, yOffset), 0, 8);
        stateMachine->advanceAndApply(0.016f);
        artboard->draw(renderer.get());
    }
    stateMachine->pointerUp(rive::Vec2D(50.0f, yOffset), 7);
    stateMachine->pointerUp(rive::Vec2D(350.0f, yOffset), 8);

    CHECK(silver.matches("multitouch_enter-MultiScroll"));
}