int main(int argc, char** argv) {
gua::init(argc, argv);
//create simple untextured material shader
auto lod_keep_input_desc = std::make_shared<gua::MaterialShaderDescription>("./data/materials/PLOD_use_input_color.gmd");
auto lod_keep_color_shader(std::make_shared<gua::MaterialShader>("PLOD_pass_input_color", lod_keep_input_desc));
gua::MaterialShaderDatabase::instance()->add(lod_keep_color_shader);
//create material for pointcloud
auto lod_rough = lod_keep_color_shader->make_new_material();
lod_rough->set_uniform("metalness", 0.2f);
lod_rough->set_uniform("roughness", 0.4f);
lod_rough->set_uniform("emissivity", 0.8f);
//configure lod backend
gua::LodLoader lod_loader;
lod_loader.set_out_of_core_budget_in_mb(512);
lod_loader.set_render_budget_in_mb(512);
lod_loader.set_upload_budget_in_mb(20);
//load a sample pointcloud
auto plod_node = lod_loader.load_lod_pointcloud(
"pointcloud",
"/opt/3d_models/lamure/plod/pig_pr.bvh",
lod_rough,
gua::LodLoader::NORMALIZE_POSITION | gua::LodLoader::NORMALIZE_SCALE | gua::LodLoader::MAKE_PICKABLE);
//load a sample mesh-based lod model
auto mlod_node = lod_loader.load_lod_trimesh(
//"tri_mesh",
"/opt/3d_models/lamure/mlod/xyzrgb_dragon_7219k.bvh",
//plod_rough,
gua::LodLoader::NORMALIZE_POSITION | gua::LodLoader::NORMALIZE_SCALE/* | gua::LodLoader::MAKE_PICKABLE*/
);
mlod_node->set_error_threshold(0.25);
//setup scenegraph
gua::SceneGraph graph("main_scenegraph");
auto scene_transform = graph.add_node<gua::node::TransformNode>("/", "transform");
auto mlod_transform = graph.add_node<gua::node::TransformNode>("/transform", "mlod_transform");
auto plod_transform = graph.add_node<gua::node::TransformNode>("/transform", "plod_transform");
graph.add_node("/transform/mlod_transform", mlod_node);
graph.add_node("/transform/plod_transform", plod_node);
mlod_transform->translate(-0.4, 0.0, 0.0);
plod_transform->rotate(180.0, 0.0, 1.0, 0.0);
plod_transform->translate(0.3, 0.08, 0.0);
//create a lightsource
auto light_transform = graph.add_node<gua::node::TransformNode>("/transform", "light_transform");
auto light = graph.add_node<gua::node::LightNode>("/transform/light_transform", "light");
light->data.set_type(gua::node::LightNode::Type::POINT);
light->data.set_enable_shadows(false);
light->data.set_shadow_map_size(4096);
light->data.brightness = 5.0f;
light->translate(0.f, 0.2f, 0.f);
light->scale(4.f);
light->translate(0.f, 0.f, 1.f);
auto screen = graph.add_node<gua::node::ScreenNode>("/", "screen");
screen->data.set_size(gua::math::vec2(1.92f, 1.08f));
screen->translate(0, 0, 1.0);
//add mouse interaction
scm::gl::trackball_manipulator trackball;
trackball.transform_matrix()*scm::math::make_translation(0.01f, 0.002f, 0.2f);
trackball.dolly(0.2f);
float dolly_sens = 1.5f;
gua::math::vec2 trackball_init_pos(0.f);
gua::math::vec2 last_mouse_pos(0.f);
int button_state = -1;
//setup rendering pipeline and window
auto resolution = gua::math::vec2ui(1920, 1080);
auto camera = graph.add_node<gua::node::CameraNode>("/screen", "cam");
camera->translate(0.0f, 0, 2.5f);
camera->config.set_resolution(resolution);
//use close near plane to allow inspection of details
//camera->config.set_near_clip(0.01f);
//camera->config.set_far_clip(200.0f);
camera->config.set_screen_path("/screen");
camera->config.set_scene_graph_name("main_scenegraph");
camera->config.set_output_window_name("main_window");
camera->config.set_enable_stereo(true);
auto PLod_Pass = std::make_shared<gua::PLodPassDescription>();
auto pipe = std::make_shared<gua::PipelineDescription>();
pipe->add_pass(std::make_shared<gua::MLodPassDescription>());
pipe->add_pass(PLod_Pass);
pipe->add_pass(std::make_shared<gua::BBoxPassDescription>());
pipe->add_pass(std::make_shared<gua::LightVisibilityPassDescription>());
pipe->add_pass(std::make_shared<gua::ResolvePassDescription>());
pipe->add_pass(std::make_shared<gua::DebugViewPassDescription>());
camera->set_pipeline_description(pipe);
pipe->get_resolve_pass()->tone_mapping_exposure(1.f);
pipe->get_resolve_pass()->tone_mapping_method(gua::ResolvePassDescription::ToneMappingMethod::UNCHARTED);
pipe->get_resolve_pass()->background_mode(gua::ResolvePassDescription::BackgroundMode::SKYMAP_TEXTURE);
pipe->get_resolve_pass()->background_texture("data/textures/envlightmap.jpg");
//init window and window behaviour
auto window = std::make_shared<gua::GlfwWindow>();
gua::WindowDatabase::instance()->add("main_window", window);
window->config.set_enable_vsync(false);
window->config.set_size(resolution);
window->config.set_resolution(resolution);
window->config.set_stereo_mode(gua::StereoMode::MONO);
window->on_resize.connect([&](gua::math::vec2ui const& new_size) {
window->config.set_resolution(new_size);
camera->config.set_resolution(new_size);
screen->data.set_size(gua::math::vec2(0.001 * new_size.x, 0.001 * new_size.y));
});
//trackball controls
bool drag_mode = false;
window->on_move_cursor.connect([&](gua::math::vec2 const& pos) {
float nx = 2.f * float(pos.x - (resolution.x/2))/float(resolution.x);
float ny = -2.f * float(resolution.y - pos.y - (resolution.y/2))/float(resolution.y);
if (button_state != -1) {
if (drag_mode) {
auto ssize = screen->data.get_size();
gua::math::vec3 trans = gua::math::vec3(ssize.x *(nx - last_mouse_pos.x), ssize.y * (ny - last_mouse_pos.y), 0.f);
auto object_trans = scm::math::inverse(screen->get_world_transform()) * mlod_transform->get_world_transform();
mlod_transform->set_world_transform(screen->get_world_transform() * scm::math::make_translation(trans) * object_trans);
}
else {
if (button_state == 0) { // left
trackball.rotation(trackball_init_pos.x, trackball_init_pos.y, nx, ny);
}
if (button_state == 1) { // right
trackball.dolly(dolly_sens*0.5f * (ny - trackball_init_pos.y));
}
if (button_state == 2) { // middle
float f = dolly_sens < 1.0f ? 0.02f : 0.3f;
trackball.translation(f*(nx - trackball_init_pos.x), f*(ny - trackball_init_pos.y));
}
trackball_init_pos.x = nx;
trackball_init_pos.y = ny;
}
}
last_mouse_pos.x = nx;
last_mouse_pos.y = ny;
});
window->on_button_press.connect([&](int mousebutton, int action, int mods) {
if (action == 1) {
drag_mode = mods == 1;
trackball_init_pos = last_mouse_pos;
button_state = mousebutton;
} else
button_state = -1;
});
window->on_key_press.connect(std::bind([&](gua::PipelineDescription& pipe, gua::SceneGraph& graph, int key, int scancode, int action, int mods) {
if (action == 0) return;
switch (std::tolower(key)) {
case '1':
PLod_Pass->mode(gua::PLodPassDescription::SurfelRenderMode::HQ_TWO_PASS);
PLod_Pass->touch();
break;
case '2':
PLod_Pass->mode(gua::PLodPassDescription::SurfelRenderMode::HQ_LINKED_LIST);
PLod_Pass->touch();
break;
default:
break;
}
},
std::ref(*(camera->get_pipeline_description())),
std::ref(graph),
std::placeholders::_1,
std::placeholders::_2,
std::placeholders::_3,
std::placeholders::_4));
window->open();
gua::Renderer renderer;
//application loop
gua::events::MainLoop loop;
gua::events::Ticker ticker(loop, 1.0 / 500.0);
ticker.on_tick.connect([&]() {
screen->set_transform(scm::math::inverse(gua::math::mat4(trackball.transform_matrix())));
light->rotate(0.1, 0.f, 1.f, 0.f);
window->process_events();
if (window->should_close()) {
renderer.stop();
window->close();
loop.stop();
}
else {
renderer.queue_draw({ &graph });
std::cout << "FPS: " << window->get_rendering_fps() << " Frametime: " << 1000.f / window->get_rendering_fps() << std::endl;
}
});
loop.start();
return 0;
}
int main(int argc, char** argv) {
// initialize guacamole
gua::init(argc, argv);
/////////////////////////////////////////////////////////////////////////////
// create a set of materials
/////////////////////////////////////////////////////////////////////////////
// create simple untextured material shader
auto pbr_keep_input_desc = std::make_shared<gua::MaterialShaderDescription>("./data/materials/PBR_use_input_color.gmd");
auto pbr_uniform_color_desc = std::make_shared<gua::MaterialShaderDescription>("./data/materials/PBR_uniform_color.gmd");
//use this material for models where shading does not make sense
auto pbr_keep_color_shader(std::make_shared<gua::MaterialShader>("PBR_pass_input_color", pbr_keep_input_desc));
auto pbr_overwrite_color_shader(std::make_shared<gua::MaterialShader>("PBR_overwrite_input_color", pbr_uniform_color_desc));
gua::MaterialShaderDatabase::instance()->add(pbr_keep_color_shader);
gua::MaterialShaderDatabase::instance()->add(pbr_overwrite_color_shader);
// create different materials for point-based input
auto plod_glossy = pbr_keep_color_shader->make_new_material();
auto plod_rough = pbr_keep_color_shader->make_new_material();
auto plod_passthrough = pbr_keep_color_shader->make_new_material();
// glossy has high metalness, low roughness and no emissivity (=no passthrough)
plod_glossy->set_uniform("metalness", 1.0f);
plod_glossy->set_uniform("roughness", 0.3f);
plod_glossy->set_uniform("emissivity", 0.0f);
// rough has no metalness, high roughness and no emissivity (=no passthrough)
plod_rough->set_uniform("metalness", 0.0f);
plod_rough->set_uniform("roughness", 0.8f);
plod_rough->set_uniform("emissivity", 1.0f);
// passthrough has emissivity of 1.0
plod_passthrough->set_uniform("emissivity", 1.0f);
auto rough_white = pbr_overwrite_color_shader->make_new_material();
rough_white->set_uniform("color", gua::math::vec3f(1.0f, 1.0f, 1.0f));
rough_white->set_uniform("metalness", 0.0f);
rough_white->set_uniform("roughness", 0.8f);
rough_white->set_uniform("emissivity", 0.0f);
auto rough_red = pbr_overwrite_color_shader->make_new_material();
rough_red->set_uniform("color", gua::math::vec3f(0.8f, 0.0f, 0.0f));
rough_red->set_uniform("metalness", 0.0f);
rough_red->set_uniform("roughness", 0.8f);
rough_red->set_uniform("emissivity", 0.0f);
// setup scene
gua::SceneGraph graph("main_scenegraph");
gua::LodLoader plodLoader;
plodLoader.set_upload_budget_in_mb(32);
plodLoader.set_render_budget_in_mb(2048);
plodLoader.set_out_of_core_budget_in_mb(4096);
auto transform = graph.add_node<gua::node::TransformNode>("/", "transform");
auto model_xf = graph.add_node<gua::node::TransformNode>("/transform", "model_xf");
auto setup_plod_node = [](std::shared_ptr<gua::node::PLodNode> const& node) {
node->set_radius_scale(1.0f);
node->set_enable_backface_culling_by_normal(false);
node->set_draw_bounding_box(true);
};
#if WIN32
auto plod_pig_node = plodLoader.load_lod_pointcloud("plod_pig", "data/objects/Area_4_hunter_with_bow_knn.bvh", plod_rough, gua::LodLoader::NORMALIZE_POSITION | gua::LodLoader::NORMALIZE_SCALE | gua::LodLoader::MAKE_PICKABLE);
#else
auto plod_pig_node = plodLoader.load_lod_pointcloud("plod_pig", "/mnt/pitoti/3d_pitoti/groundtruth_data/rocks/seradina12c/areas/objects/Area_4_hunter_with_bow_knn.bvh", plod_rough, gua::LodLoader::NORMALIZE_POSITION | gua::LodLoader::NORMALIZE_SCALE | gua::LodLoader::MAKE_PICKABLE);
#endif
plod_pig_node->scale(5.0, 5.0, 5.0);
plod_pig_node->rotate(269, gua::math::vec3(0.0, 0.0, 1.0));
gua::TriMeshLoader loader;
auto root_plod_pig_model = graph.add_node("/", plod_pig_node);
auto nav = graph.add_node<gua::node::TransformNode>("/", "nav");
nav->translate(0.0, 0.0, 1.0);
#if WIN32
auto window = std::make_shared<gua::OculusWindow>(":0.0");
gua::WindowDatabase::instance()->add("main_window", window);
window->config.set_enable_vsync(false);
window->config.set_fullscreen_mode(false);
window->open();
#else
auto window = std::make_shared<gua::OculusWindow>(":0.0");
gua::WindowDatabase::instance()->add("main_window", window);
window->config.set_enable_vsync(false);
window->config.set_fullscreen_mode(true);
window->config.set_size(window->get_window_resolution());
window->config.set_resolution(window->get_window_resolution());
window->open();
#endif
//get the resolution from the oculus window
gua::math::vec2ui res(window->get_window_resolution());
auto resolve_pass = std::make_shared<gua::ResolvePassDescription>();
resolve_pass->background_mode(gua::ResolvePassDescription::BackgroundMode::QUAD_TEXTURE);
resolve_pass->tone_mapping_exposure(1.0f);
auto neck = graph.add_node<gua::node::TransformNode>("/nav", "neck");
auto camera = graph.add_node<gua::node::CameraNode>("/nav/neck", "cam");
float camera_trans_y = 0.0;
float camera_trans_z = 0.0;
camera->translate(0.0, camera_trans_y, camera_trans_z);
camera->config.set_resolution( res );
camera->config.set_left_screen_path("/nav/neck/cam/left_screen");
camera->config.set_right_screen_path("/nav/neck/cam/right_screen");
camera->config.set_scene_graph_name("main_scenegraph");
camera->config.set_output_window_name("main_window");
camera->config.set_enable_stereo(true);
camera->config.set_eye_dist(window->get_IPD());
auto pipe = std::make_shared<gua::PipelineDescription>();
pipe->add_pass(std::make_shared<gua::PLodPassDescription>());
pipe->add_pass(std::make_shared<gua::LightVisibilityPassDescription>());
pipe->add_pass(std::make_shared<gua::ResolvePassDescription>());
camera->set_pipeline_description(pipe);
// retreive the complete viewing setup from the oculus window
//**************
auto left_screen = graph.add_node<gua::node::ScreenNode>("/nav/neck/cam", "left_screen");
left_screen->data.set_size(window->get_left_screen_size());
left_screen->translate(window->get_left_screen_translation());
auto right_screen = graph.add_node<gua::node::ScreenNode>("/nav/neck/cam", "right_screen");
right_screen->data.set_size(window->get_right_screen_size());
right_screen->translate(window->get_right_screen_translation());
//****************/
gua::Renderer renderer;
gua::Timer timer;
timer.start();
double time(0);
float desired_frame_time(1.0 / 60.0);
gua::events::MainLoop loop;
// application loop
gua::events::Ticker ticker(loop, desired_frame_time);
ticker.on_tick.connect([&]() {
double frame_time(timer.get_elapsed());
time += frame_time;
timer.reset();
window->process_events();
std::function<void (std::shared_ptr<gua::node::Node>, int)> rotate;
rotate = [&](std::shared_ptr<gua::node::Node> node, int depth) {
node->rotate(frame_time * (1+depth) * 0.5, 1, 1, 0);
for (auto child: node->get_children()) {
rotate(child, ++depth);
}
};
float frame_offset = 1.0 * frame_time;
camera->set_transform(window->get_oculus_sensor_orientation());
//neck->set_transform(window->get_oculus_sensor_orientation());
renderer.queue_draw({&graph});
});
loop.start();
return 0;
}
int main(int argc, char** argv) {
// initialize guacamole
gua::init(argc, argv);
// setup scene
gua::SceneGraph graph("main_scenegraph");
gua::TriMeshLoader loader;
auto teapot_mat(gua::MaterialShaderDatabase::instance()
->lookup("gua_default_material")
->make_new_material());
teapot_mat->set_render_wireframe(false);
teapot_mat->set_show_back_faces(false);
auto transform = graph.add_node<gua::node::TransformNode>("/", "transform");
auto teapot(loader.create_geometry_from_file(
"teapot", "data/objects/teapot.obj",
teapot_mat,
gua::TriMeshLoader::NORMALIZE_POSITION |
gua::TriMeshLoader::NORMALIZE_SCALE) );
graph.add_node("/transform", teapot);
teapot->set_draw_bounding_box(true);
auto portal = graph.add_node<gua::node::TexturedQuadNode>("/", "portal");
portal->data.set_size(gua::math::vec2(1.2f, 0.8f));
portal->data.set_texture("portal");
portal->translate(0.5f, 0.f, -0.2f);
portal->rotate(-30, 0.f, 1.f, 0.f);
auto light2 = graph.add_node<gua::node::LightNode>("/", "light2");
light2->data.set_type(gua::node::LightNode::Type::POINT);
light2->data.brightness = 150.0f;
light2->scale(12.f);
light2->translate(-3.f, 5.f, 5.f);
auto screen = graph.add_node<gua::node::ScreenNode>("/", "screen");
screen->data.set_size(gua::math::vec2(1.92f, 1.08f));
screen->translate(0, 0, 1.0);
auto portal_screen =
graph.add_node<gua::node::ScreenNode>("/", "portal_screen");
portal_screen->translate(0.0, 0.0, 5.0);
portal_screen->rotate(90, 0.0, 1.0, 0.0);
portal_screen->data.set_size(gua::math::vec2(1.2f, 0.8f));
// add mouse interaction
gua::utils::Trackball trackball(0.01, 0.002, 0.2);
// setup rendering pipeline and window
auto resolution = gua::math::vec2ui(1920, 1080);
auto portal_camera =
graph.add_node<gua::node::CameraNode>("/portal_screen", "portal_cam");
portal_camera->translate(0, 0, 2.0);
portal_camera->config.set_resolution(gua::math::vec2ui(1200, 800));
portal_camera->config.set_screen_path("/portal_screen");
portal_camera->config.set_scene_graph_name("main_scenegraph");
portal_camera->config.set_output_texture_name("portal");
portal_camera->config.set_enable_stereo(false);
auto portal_pipe = std::make_shared<gua::PipelineDescription>();
portal_pipe->add_pass(std::make_shared<gua::TriMeshPassDescription>());
portal_pipe->add_pass(
std::make_shared<gua::LightVisibilityPassDescription>());
auto resolve_pass = std::make_shared<gua::ResolvePassDescription>();
resolve_pass->background_mode(
gua::ResolvePassDescription::BackgroundMode::QUAD_TEXTURE);
resolve_pass->tone_mapping_exposure(1.0f);
portal_pipe->add_pass(resolve_pass);
portal_pipe->add_pass(std::make_shared<gua::DebugViewPassDescription>());
portal_camera->set_pipeline_description(portal_pipe);
auto camera = graph.add_node<gua::node::CameraNode>("/screen", "cam");
camera->translate(0, 0, 2.0);
camera->config.set_resolution(resolution);
camera->config.set_screen_path("/screen");
camera->config.set_scene_graph_name("main_scenegraph");
camera->config.set_output_window_name("main_window");
camera->config.set_enable_stereo(false);
camera->set_pre_render_cameras({portal_camera});
camera->get_pipeline_description()->get_resolve_pass()->tone_mapping_exposure(
1.0f);
camera->get_pipeline_description()->add_pass(
std::make_shared<gua::DebugViewPassDescription>());
auto window = std::make_shared<gua::GlfwWindow>();
gua::WindowDatabase::instance()->add("main_window", window);
window->config.set_enable_vsync(false);
window->config.set_size(resolution);
window->config.set_resolution(resolution);
window->config.set_stereo_mode(gua::StereoMode::MONO);
window->on_resize.connect([&](gua::math::vec2ui const& new_size) {
window->config.set_resolution(new_size);
camera->config.set_resolution(new_size);
screen->data.set_size(
gua::math::vec2(0.001 * new_size.x, 0.001 * new_size.y));
});
window->on_move_cursor.connect(
[&](gua::math::vec2 const& pos) { trackball.motion(pos.x, pos.y); });
window->on_button_press.connect(
std::bind(mouse_button, std::ref(trackball), std::placeholders::_1,
std::placeholders::_2, std::placeholders::_3));
gua::Renderer renderer;
// application loop
gua::events::MainLoop loop;
gua::events::Ticker ticker(loop, 1.0 / 500.0);
ticker.on_tick.connect([&]() {
// apply trackball matrix to object
gua::math::mat4 modelmatrix =
scm::math::make_translation(trackball.shiftx(), trackball.shifty(),
trackball.distance()) *
gua::math::mat4(trackball.rotation());
transform->set_transform(modelmatrix);
if (window->should_close()) {
renderer.stop();
window->close();
loop.stop();
} else {
renderer.queue_draw({&graph});
}
});
loop.start();
return 0;
}
int main(int argc, char** argv)
{
// initialize guacamole
gua::init(argc, argv);
// setup scene
gua::SceneGraph graph("main_scenegraph");
gua::math::vec4 iron(0.560, 0.570, 0.580, 1);
gua::math::vec4 silver(0.972, 0.960, 0.915, 1);
gua::math::vec4 aluminium(0.913, 0.921, 0.925, 1);
gua::math::vec4 gold(1.000, 0.766, 0.336, 1);
gua::math::vec4 copper(0.955, 0.637, 0.538, 1);
gua::math::vec4 chromium(0.550, 0.556, 0.554, 1);
gua::math::vec4 nickel(0.660, 0.609, 0.526, 1);
gua::math::vec4 titanium(0.542, 0.497, 0.449, 1);
gua::math::vec4 cobalt(0.662, 0.655, 0.634, 1);
gua::math::vec4 platinum(0.672, 0.637, 0.585, 1);
auto pbrMat(gua::MaterialShaderDatabase::instance()->lookup("gua_default_material")->make_new_material());
// pbrMat.set_uniform("Color", chromium);
// pbrMat.set_uniform("Roughness", 0.2f);
// pbrMat.set_uniform("Metalness", 1.0f);
std::string directory("/opt/3d_models/Cerberus_by_Andrew_Maximov/Textures/");
pbrMat->set_uniform("ColorMap", directory + "Cerberus_A.tga");
pbrMat->set_uniform("MetalnessMap", directory + "Cerberus_M.tga");
pbrMat->set_uniform("RoughnessMap", directory + "Cerberus_R.tga");
pbrMat->set_uniform("NormalMap", directory + "Cerberus_N.negated_green.tga");
gua::TriMeshLoader loader;
auto transform = graph.add_node<gua::node::TransformNode>("/", "transform");
auto cerberus(loader.create_geometry_from_file(
"cerberus", "/opt/3d_models/Cerberus_by_Andrew_Maximov/Cerberus_LP.3ds", pbrMat, gua::TriMeshLoader::NORMALIZE_POSITION | gua::TriMeshLoader::NORMALIZE_SCALE));
graph.add_node("/transform", cerberus);
cerberus->set_draw_bounding_box(true);
cerberus->rotate(90, 0.f, 1.f, 0.f);
cerberus->rotate(90, 0.f, 0.f, 1.f);
auto pointLight = graph.add_node<gua::node::LightNode>("/", "pointLight");
pointLight->data.set_type(gua::node::LightNode::Type::POINT);
pointLight->data.color = gua::utils::Color3f(1.0f, 1.0f, 1.0f);
pointLight->data.brightness = 150.0f; // lm
pointLight->scale(9.f);
pointLight->translate(-2.f, 3.f, 5.f);
auto screen = graph.add_node<gua::node::ScreenNode>("/", "screen");
screen->data.set_size(gua::math::vec2(1.92f, 1.08f));
screen->translate(0, 0, 1.0);
// add mouse interaction
gua::utils::Trackball trackball(0.01, 0.002, 0.2);
// setup rendering pipeline and window
// auto resolution = gua::math::vec2ui(1920, 1080);
auto resolution = gua::math::vec2ui(2560, 1440);
std::string skymaps_dir("/opt/guacamole/resources/skymaps/");
for(auto const& file : {std::string(directory + "Cerberus_A.tga"),
std::string(directory + "Cerberus_M.tga"),
std::string(directory + "Cerberus_R.tga"),
std::string(directory + "Cerberus_N.negated_green.tga"),
std::string(skymaps_dir + "skymap.jpg")})
{
gua::TextureDatabase::instance()->load(file);
}
auto tiledPipe(std::make_shared<gua::PipelineDescription>());
tiledPipe->add_pass(std::make_shared<gua::TriMeshPassDescription>());
tiledPipe->add_pass(std::make_shared<gua::LightVisibilityPassDescription>());
tiledPipe->add_pass(std::make_shared<gua::ResolvePassDescription>());
auto camera = graph.add_node<gua::node::CameraNode>("/screen", "cam");
camera->translate(0, 0, 2.0);
camera->config.set_resolution(resolution);
camera->config.set_screen_path("/screen");
camera->config.set_scene_graph_name("main_scenegraph");
camera->config.set_output_window_name("main_window");
camera->config.set_enable_stereo(false);
camera->set_pipeline_description(tiledPipe);
auto window = std::make_shared<gua::GlfwWindow>();
gua::WindowDatabase::instance()->add("main_window", window);
window->config.set_enable_vsync(false);
window->config.set_size(resolution);
window->config.set_resolution(resolution);
window->config.set_stereo_mode(gua::StereoMode::MONO);
window->on_resize.connect([&](gua::math::vec2ui const& new_size) {
window->config.set_resolution(new_size);
camera->config.set_resolution(new_size);
screen->data.set_size(gua::math::vec2(0.001 * new_size.x, 0.001 * new_size.y));
});
window->on_move_cursor.connect([&](gua::math::vec2 const& pos) { trackball.motion(pos.x, pos.y); });
window->on_button_press.connect(std::bind(mouse_button, std::ref(trackball), std::placeholders::_1, std::placeholders::_2, std::placeholders::_3));
window->open();
gua::Renderer renderer;
// application loop
gua::events::MainLoop loop;
gua::events::Ticker ticker(loop, 1.0 / 500.0);
size_t ctr{};
ticker.on_tick.connect([&]() {
// apply trackball matrix to object
gua::math::mat4 modelmatrix = scm::math::make_translation(gua::math::float_t(trackball.shiftx()), gua::math::float_t(trackball.shifty()), gua::math::float_t(trackball.distance())) *
gua::math::mat4(trackball.rotation());
transform->set_transform(modelmatrix);
if(ctr++ % 150 == 0)
gua::Logger::LOG_WARNING << "Frame time: " << 1000.f / window->get_rendering_fps() << " ms, fps: " << window->get_rendering_fps() << std::endl;
window->process_events();
if(window->should_close())
{
renderer.stop();
window->close();
loop.stop();
}
else
{
renderer.queue_draw({&graph});
}
});
loop.start();
return 0;
}
int main(int argc, char** argv) {
//auto resolution = gua::math::vec2ui(800, 600);
auto resolution = gua::math::vec2ui(3840, 2160);
// initialize guacamole
int argc_d = 0;
char** argv_d = {};
gua::init(argc_d, argv_d);
// setup scene
gua::SceneGraph graph("main_scenegraph");
auto desc(std::make_shared<gua::MaterialShaderDescription>());
desc->load_from_file("data/materials/SimpleMaterial.gmd");
auto shader(std::make_shared<gua::MaterialShader>("simple_mat", desc));
gua::MaterialShaderDatabase::instance()->add(shader);
auto mat(shader->make_new_material());
gua::TriMeshLoader trimeshloader;
auto teapot_geode(
trimeshloader.create_geometry_from_file("teapot_geode",
"data/objects/teapot.obj",
mat,
gua::TriMeshLoader::DEFAULTS));
auto plate_geode(
trimeshloader.create_geometry_from_file("plate_geode",
"data/objects/plate.obj",
mat,
gua::TriMeshLoader::DEFAULTS));
auto head = graph.add_node<gua::node::TransformNode>("/", "head");
head->translate(0.0, 0.0, 8.0);
auto teapot = graph.add_node<gua::node::TransformNode>("/", "teapot");
teapot->scale(2.0f);
auto plate = graph.add_node<gua::node::TransformNode>("/", "plate");
graph.add_node("/teapot", teapot_geode);
graph.add_node("/plate", plate_geode);
const float aspect = resolution.x * 1.0f / resolution.y;
auto pipe = std::make_shared<gua::PipelineDescription>();
pipe->add_pass(std::make_shared<gua::TriMeshPassDescription>());
pipe->add_pass(std::make_shared<gua::TexturedQuadPassDescription>());
//pipe->add_pass(std::make_shared<gua::BBoxPassDescription>());
pipe->add_pass(std::make_shared<gua::LightVisibilityPassDescription>());
pipe->add_pass(std::make_shared<gua::ResolvePassDescription>());
//pipe->add_pass(std::make_shared<gua::SSAAPassDescription>());
//pipe->add_pass(std::make_shared<gua::DebugViewPassDescription>());
auto camera_tl =
graph.add_node<gua::node::CameraNode>("/head", "camera_tl");
camera_tl->config.set_output_window_name("window_tl");
camera_tl->config.set_screen_path("/head/camera_tl/screen_tl");
camera_tl->config.set_scene_graph_name("main_scenegraph");
camera_tl->config.set_resolution(resolution);
camera_tl->config.set_view_id(1);
camera_tl->set_pipeline_description(pipe);
auto screen_tl = graph.add_node<gua::node::ScreenNode>("/head/camera_tl", "screen_tl");
screen_tl->data.set_size(gua::math::vec2(1.6, 0.9));
screen_tl->translate(-0.8, 0.45, -2.5);
auto camera_tr =
graph.add_node<gua::node::CameraNode>("/head", "camera_tr");
camera_tr->config.set_output_window_name("window_tr");
camera_tr->config.set_screen_path("/head/camera_tr/screen_tr");
camera_tr->config.set_scene_graph_name("main_scenegraph");
camera_tr->config.set_resolution(resolution);
camera_tr->config.set_view_id(2);
camera_tr->set_pipeline_description(pipe);
auto screen_tr = graph.add_node<gua::node::ScreenNode>("/head/camera_tr", "screen_tr");
screen_tr->data.set_size(gua::math::vec2(1.6, 0.9));
screen_tr->translate( 0.8f, 0.45, -2.5f);
auto camera_bl =
graph.add_node<gua::node::CameraNode>("/head", "camera_bl");
camera_bl->config.set_output_window_name("window_bl");
camera_bl->config.set_screen_path("/head/camera_bl/screen_bl");
camera_bl->config.set_scene_graph_name("main_scenegraph");
camera_bl->config.set_resolution(resolution);
//camera_bl->config.set_view_id(2);
camera_bl->set_pipeline_description(pipe);
auto screen_bl = graph.add_node<gua::node::ScreenNode>("/head/camera_bl", "screen_bl");
screen_bl->data.set_size(gua::math::vec2(1.6, 0.9));
screen_bl->translate(-0.8, -0.45, -2.5f);
auto camera_br =
graph.add_node<gua::node::CameraNode>("/head", "camera_br");
camera_br->config.set_output_window_name("window_br");
camera_br->config.set_screen_path("/head/camera_br/screen_br");
camera_br->config.set_scene_graph_name("main_scenegraph");
camera_br->config.set_resolution(resolution);
camera_br->set_pipeline_description(pipe);
auto screen_br = graph.add_node<gua::node::ScreenNode>("/head/camera_br", "screen_br");
screen_br->data.set_size(gua::math::vec2(1.6, 0.9));
screen_br->translate( 0.8, -0.45, -2.5f);
auto pointlight = graph.add_node<gua::node::LightNode>("/", "pointlight");
pointlight->data.set_type(gua::node::LightNode::Type::POINT);
pointlight->scale(30.0f);
pointlight->rotate(-90, 1, 0, 0);
pointlight->translate(1.0, 18.0, 1.0);
pointlight->data.set_falloff(0.1f);
pointlight->data.set_color({
1.0f, 1.0f, 1.0f
});
pointlight->data.set_enable_specular_shading(true);
pointlight->data.set_enable_diffuse_shading(true);
auto add_window =
[](std::string const & window_name,
std::string const & display,
std::shared_ptr<gua::node::CameraNode> const & cam_node) {
auto window = std::make_shared<gua::Window>();
window->config.set_display_name(display);
window->join_swap_group(1);
window->bind_swap_barrier(1);
gua::WindowDatabase::instance()->add(window_name, window);
set_window_default(window, cam_node->config.get_resolution());
cam_node->config.set_output_window_name(window_name);
};
add_window("window_tl", ":0.0", camera_tl);
gua::Renderer renderer;
// application loop
gua::events::MainLoop loop;
gua::events::Ticker ticker(loop, 1.0 / 500.0);
//gua::Timer frame_timer;
//frame_timer.start();
float time_value = 0;
// application loop
std::size_t cnt = 0;
//while (true) {
//std::this_thread::sleep_for(std::chrono::milliseconds(10));
ticker.on_tick.connect([&]() {
teapot_geode->rotate(0.3, 0, 1, 0);
++cnt;
if (cnt == 10) {
//add_window("window_tr", ":0.0", camera_tr);
add_window("window_tr", ":0.1", camera_tr);
}
if (cnt == 20) {
//add_window("window_bl", ":0.0", camera_bl);
add_window("window_bl", ":0.2", camera_bl);
}
if (cnt == 30) {
//add_window("window_br", ":0.0", camera_br);
add_window("window_br", ":0.3", camera_br);
}
// GLFW only allows event processing from main thread
if (gua::WindowDatabase::instance()->lookup("window_tl")) {
gua::WindowDatabase::instance()->lookup("window_tl")->process_events();
}
if (gua::WindowDatabase::instance()->lookup("window_tr")) {
gua::WindowDatabase::instance()->lookup("window_tr")->process_events();
}
if (gua::WindowDatabase::instance()->lookup("window_bl")) {
gua::WindowDatabase::instance()->lookup("window_bl")->process_events();
}
if (gua::WindowDatabase::instance()->lookup("window_br")) {
gua::WindowDatabase::instance()->lookup("window_br")->process_events();
}
plate->translate(-plate->get_bounding_box().center());
plate->rotate(0.04f, 0, 1, 0);
plate->translate(plate->get_bounding_box().center());
renderer.queue_draw({
&graph
});
});
//}
loop.start();
renderer.stop();
return 0;
}