test/bound_bones_test.cpp

#include <rive/bones/skin.hpp>
#include <rive/bones/tendon.hpp>
#include <rive/core/binary_reader.hpp>
#include <rive/file.hpp>
#include <rive/node.hpp>
#include <rive/shapes/clipping_shape.hpp>
#include <rive/shapes/path_vertex.hpp>
#include <rive/shapes/points_path.hpp>
#include <rive/shapes/rectangle.hpp>
#include <rive/shapes/shape.hpp>
#include "no_op_renderer.hpp"
#include <catch.hpp>
#include <cstdio>

TEST_CASE("bound bones load correctly", "[bones]")
{
	FILE* fp = fopen("../../test/assets/off_road_car.riv", "r");
	REQUIRE(fp != nullptr);

	fseek(fp, 0, SEEK_END);
	auto length = ftell(fp);
	fseek(fp, 0, SEEK_SET);
	uint8_t* bytes = new uint8_t[length];
	REQUIRE(fread(bytes, 1, length, fp) == length);
	auto reader = rive::BinaryReader(bytes, length);
	rive::File* file = nullptr;

	auto result = rive::File::import(reader, &file);

	REQUIRE(result == rive::ImportResult::success);

	REQUIRE(file != nullptr);
	REQUIRE(file->artboard() != nullptr);

	auto node = file->artboard()->find("transmission_front_testing");
	REQUIRE(node != nullptr);
	REQUIRE(node->is<rive::Shape>());
	REQUIRE(node->as<rive::Shape>()->paths().size() == 1);
	auto path = node->as<rive::Shape>()->paths()[0];
	REQUIRE(path->is<rive::PointsPath>());
	auto pointsPath = path->as<rive::PointsPath>();
	REQUIRE(pointsPath->skin() != nullptr);
	REQUIRE(pointsPath->skin()->tendons().size() == 2);
	REQUIRE(pointsPath->skin()->tendons()[0]->bone() != nullptr);
	REQUIRE(pointsPath->skin()->tendons()[1]->bone() != nullptr);

	for (auto vertex : path->vertices())
	{
		REQUIRE(vertex->weight() != nullptr);
	}

	// Ok seems like bones are set up ok.

	delete file;
	delete[] bytes;
}