Function loadScene

shared/scene/Scene.cpp:116–151

}

void loadScene(const char* fileName, Scene& scene)
{
	FILE* f = fopen(fileName, "rb");

	if (!f)
	{
		printf("Cannot open scene file '%s'. Please run SceneConverter from Chapter7 and/or MergeMeshes from Chapter 9", fileName);
		return;
	}

	uint32_t sz = 0;
	fread(&sz, sizeof(sz), 1, f);

	scene.hierarchy_.resize(sz);
	scene.globalTransform_.resize(sz);
	scene.localTransform_.resize(sz);
	// TODO: check > -1
	// TODO: recalculate changedAtThisLevel() - find max depth of a node [or save scene.maxLevel]
	fread(scene.localTransform_.data(), sizeof(glm::mat4), sz, f);
	fread(scene.globalTransform_.data(), sizeof(glm::mat4), sz, f);
	fread(scene.hierarchy_.data(), sizeof(Hierarchy), sz, f);

	// Mesh for node [index to some list of buffers]
	loadMap(f, scene.materialForNode_);
	loadMap(f, scene.meshes_);

	if (!feof(f))
	{
		loadMap(f, scene.nameForNode_);
		loadStringList(f, scene.names_);

		loadStringList(f, scene.materialNames_);
	}

	fclose(f);
}

void saveMap(FILE* f, const std::unordered_map<uint32_t, uint32_t>& map)
{