Function defaults_init

StereoKitC/systems/defaults.cpp:121–338

///////////////////////////////////////////

bool defaults_init() {
	// Textures
	sk_default_tex       = defaults_texture(default_id_tex,       {1,1,1,1}         );
	sk_default_tex_black = defaults_texture(default_id_tex_black, {0,0,0,1}         );
	sk_default_tex_gray  = defaults_texture(default_id_tex_gray,  {0.5f,0.5f,0.5f,1});
	sk_default_tex_flat  = defaults_texture(default_id_tex_flat,  {0.5f,0.5f,1,1}   ); // Default for normal maps
	sk_default_tex_rough = defaults_texture(default_id_tex_rough, {1,1,0,1}         ); // Default for metal/roughness maps

	sk_default_tex_devtex = dev_texture(default_id_tex_devtex, { 1,1,   1,   1 }, 1);
	sk_default_tex_error  = dev_texture(default_id_tex_error,  { 1,0.7f,0.7f,1 }, 1);

	if (sk_default_tex       == nullptr ||
		sk_default_tex_black == nullptr ||
		sk_default_tex_gray  == nullptr ||
		sk_default_tex_flat  == nullptr ||
		sk_default_tex_rough == nullptr ||
		sk_default_tex_devtex== nullptr ||
		sk_default_tex_error == nullptr)
		return false;

	tex_set_loading_fallback(sk_default_tex_devtex);
	tex_set_error_fallback  (sk_default_tex_error);

	// Cubemap
	spherical_harmonics_t lighting = sk_default_lighting;
	sh_brightness(lighting, 0.75f);
	sk_default_cubemap = tex_gen_cubemap_sh(lighting, 16, 0.3f);
	tex_set_id(sk_default_cubemap, default_id_cubemap);

	// Default quad mesh
	sk_default_quad = mesh_create();
	vert_t verts[4] = {
		{ vec3{-0.5f,-0.5f,0}, vec3{0,0,-1}, vec2{1,1}, color32{255,255,255,255} },
		{ vec3{ 0.5f,-0.5f,0}, vec3{0,0,-1}, vec2{0,1}, color32{255,255,255,255} },
		{ vec3{ 0.5f, 0.5f,0}, vec3{0,0,-1}, vec2{0,0}, color32{255,255,255,255} },
		{ vec3{-0.5f, 0.5f,0}, vec3{0,0,-1}, vec2{1,0}, color32{255,255,255,255} }, };
	vind_t inds[6] = { 2,1,0, 3,2,0 };
	mesh_set_data(sk_default_quad, verts, 4, inds, 6);
	
	// Default rendering quad
	sk_default_screen_quad = mesh_create();
	vert_t sq_verts[4] = {
		{ vec3{-1,-1,0}, vec3{0,0,1}, vec2{0,1}, color32{255,255,255,255} },
		{ vec3{ 1,-1,0}, vec3{0,0,1}, vec2{1,1}, color32{255,255,255,255} },
		{ vec3{ 1, 1,0}, vec3{0,0,1}, vec2{1,0}, color32{255,255,255,255} },
		{ vec3{-1, 1,0}, vec3{0,0,1}, vec2{0,0}, color32{255,255,255,255} }, };
	vind_t sq_inds[6] = { 0,1,2, 0,2,3 };
	mesh_set_data(sk_default_screen_quad, sq_verts, 4, sq_inds, 6);
	
	sk_default_cube   = mesh_gen_cube(vec3_one);
	sk_default_sphere = mesh_gen_sphere(1);

	mesh_set_id(sk_default_quad,        default_id_mesh_quad);
	mesh_set_id(sk_default_screen_quad, default_id_mesh_screen_quad);
	mesh_set_id(sk_default_cube,        default_id_mesh_cube);
	mesh_set_id(sk_default_sphere,      default_id_mesh_sphere);

	// Shaders