engine/ext/main.cpp
2020-09-20 00:00:00 -05:00

420 lines
14 KiB
C++

#include "main.h"
#include <uf/ext/ext.h>
#include <uf/ext/vulkan/vulkan.h>
#include <uf/ext/oal/oal.h>
#include <uf/ext/assimp/assimp.h>
#include <uf/spec/terminal/terminal.h>
#include <uf/utils/time/time.h>
#include <uf/utils/hook/hook.h>
#include <uf/utils/io/iostream.h>
#include <uf/utils/math/vector.h>
#include <uf/utils/math/physics.h>
#include <uf/utils/math/transform.h>
#include <uf/utils/string/string.h>
#include <uf/utils/string/ext.h>
#include <uf/utils/serialize/serializer.h>
#include <uf/utils/userdata/userdata.h>
#include <uf/utils/image/image.h>
#include <uf/utils/thread/thread.h>
#include <uf/utils/graphic/graphic.h>
#include <uf/utils/camera/camera.h>
#include <uf/utils/http/http.h>
#include <uf/engine/entity/entity.h>
#include <sys/stat.h>
#include <string>
#include <fstream>
#include <iostream>
#include "ext.h"
#include <uf/engine/scene/scene.h>
#include <uf/engine/asset/asset.h>
#include <uf/ext/vulkan/rendermodes/deferred.h>
#include <uf/ext/vulkan/rendermodes/compute.h>
#include <uf/ext/vulkan/rendermodes/stereoscopic_deferred.h>
#include <uf/ext/vulkan/rendermodes/rendertarget.h>
#include <uf/ext/discord/discord.h>
#include <uf/ext/openvr/openvr.h>
namespace {
struct {
uf::String input;
std::ofstream output;
struct {
std::string output = "log/output.txt";
} filenames;
} io;
struct {
spec::Time::time_t epoch;
uf::Timer<> sys = uf::Timer<>(false);
uf::Timer<> delta = uf::Timer<>(false);
double prevTime = 0;
double curTime = 0;
double deltaTime = 0;
} times;
uf::Serializer config;
}
bool ext::ready = false;
void EXT_API ext::initialize() {
/**/ {
srand(time(NULL));
}
/* Open output file */ {
io.output.open(io.filenames.output);
}
/* Initialize timers */ {
times.epoch = spec::time.getTime();
times.sys.start();
times.delta.start();
times.prevTime = times.sys.elapsed().asDouble();
times.curTime = times.sys.elapsed().asDouble();
}
/* Read persistent data */ {
// #include "./inits/persistence.inl"
}
::config = ext::getConfig();
/* Parse config */ {
/* Frame limiter */ {
double limit = ::config["engine"]["frame limit"].asDouble();
if ( limit != 0 )
uf::thread::limiter = 1.0 / ::config["engine"]["frame limit"].asDouble();
else uf::thread::limiter = 0;
}
/* Max delta time */{
double limit = ::config["engine"]["delta limit"].asDouble();
if ( limit != 0 )
uf::physics::time::clamp = 1.0 / ::config["engine"]["delta limit"].asDouble();
else uf::physics::time::clamp = 0;
}
// Set worker threads
uf::thread::workers = ::config["engine"]["worker threads"].asUInt64();
// Enable valiation layer
ext::vulkan::validation = ::config["engine"]["ext"]["vulkan"]["validation"]["enabled"].asBool();
for ( int i = 0; i < ::config["engine"]["ext"]["vulkan"]["validation"]["filters"].size(); ++i ) {
ext::vulkan::validationFilters.push_back( ::config["engine"]["ext"]["vulkan"]["validation"]["filters"][i].asString() );
}
for ( int i = 0; i < ::config["engine"]["ext"]["vulkan"]["extensions"]["device"].size(); ++i ) {
ext::vulkan::requestedDeviceExtensions.push_back( ::config["engine"]["ext"]["vulkan"]["extensions"]["device"][i].asString() );
}
for ( int i = 0; i < ::config["engine"]["ext"]["vulkan"]["extensions"]["instance"].size(); ++i ) {
ext::vulkan::requestedInstanceExtensions.push_back( ::config["engine"]["ext"]["vulkan"]["extensions"]["instance"][i].asString() );
}
for ( int i = 0; i < ::config["engine"]["ext"]["vulkan"]["features"].size(); ++i ) {
ext::vulkan::requestedDeviceFeatures.push_back( ::config["engine"]["ext"]["vulkan"]["features"][i].asString() );
}
ext::openvr::enabled = ::config["engine"]["ext"]["vr"]["enable"].asBool();
ext::openvr::swapEyes = ::config["engine"]["ext"]["vr"]["swap eyes"].asBool();
if ( ::config["engine"]["ext"]["vr"]["dominatEye"].isNumeric() )
ext::openvr::dominantEye = ::config["engine"]["ext"]["vr"]["dominatEye"].asUInt64();
else if ( ::config["engine"]["ext"]["vr"]["dominatEye"].asString() == "left" ) ext::openvr::dominantEye = 0;
else if ( ::config["engine"]["ext"]["vr"]["dominatEye"].asString() == "right" ) ext::openvr::dominantEye = 1;
ext::openvr::driver.manifest = ::config["engine"]["ext"]["vr"]["manifest"].asString();
if ( ext::openvr::enabled ) {
::config["engine"]["render modes"]["stereo deferred"] = true;
}
}
/* Create initial scene (kludge) */ {
uf::Scene* scene = new uf::Scene;
uf::scene::scenes.push_back(scene);
auto& metadata = scene->getComponent<uf::Serializer>();
metadata["system"]["config"] = ::config;
}
/* Initialize Vulkan */ {
// ext::vulkan::width = ::config["window"]["size"]["x"].asInt();
// ext::vulkan::height = ::config["window"]["size"]["y"].asInt();
// setup render mode
if ( ::config["engine"]["render modes"]["gui"].asBool() ) {
auto* renderMode = new ext::vulkan::RenderTargetRenderMode;
ext::vulkan::addRenderMode( renderMode, "Gui" );
renderMode->blitter.descriptor.subpass = 1;
}
if ( ::config["engine"]["render modes"]["stereo deferred"].asBool() )
ext::vulkan::addRenderMode( new ext::vulkan::StereoscopicDeferredRenderMode, "" );
else if ( ::config["engine"]["render modes"]["deferred"].asBool() )
ext::vulkan::addRenderMode( new ext::vulkan::DeferredRenderMode, "" );
// if ( ::config["engine"]["render modes"]["compute"].asBool() )
// ext::vulkan::addRenderMode( new ext::vulkan::ComputeRenderMode, "C:RT:0" );
if ( ext::openvr::enabled ) {
ext::openvr::initialize();
uint32_t width, height;
ext::openvr::recommendedResolution( width, height );
auto& renderMode = ext::vulkan::getRenderMode("Stereoscopic Deferred", true);
renderMode.width = width;
renderMode.height = height;
std::cout << "Recommended VR Resolution: " << width << ", " << height << std::endl;
}
ext::vulkan::initialize();
}
/* */ {
pod::Thread& threadMain = uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true );
pod::Thread& threadAux = uf::thread::has("Aux") ? uf::thread::get("Aux") : uf::thread::create( "Aux", true, false );
pod::Thread& threadPhysics = uf::thread::has("Physics") ? uf::thread::get("Physics") : uf::thread::create( "Physics", true, false );
}
/* Discord */ if ( ::config["engine"]["ex"]["discord"]["enabled"].asBool() ) {
ext::discord::initialize();
}
/* Initialize root scene*/ {
uf::scene::unloadScene();
auto& scene = uf::scene::loadScene( ::config["engine"]["scenes"]["start"].asString() );
auto& metadata = scene.getComponent<uf::Serializer>();
metadata["system"]["config"] = ::config;
}
/* Add hooks */ {
uf::hooks.addHook( "game:LoadScene", [&](const std::string& event)->std::string{
uf::Serializer json = event;
uf::scene::unloadScene();
auto& scene = uf::scene::loadScene( json["scene"].asString() );
auto& metadata = scene.getComponent<uf::Serializer>();
metadata["system"]["config"] = ::config;
return "true";
});
uf::hooks.addHook( "system:Quit", [&](const std::string& event)->std::string{
std::cout << "system:Quit: " << event << std::endl;
ext::ready = false;
return "true";
});
}
ext::ready = true;
uf::iostream << "EXT took " << times.sys.elapsed().asDouble() << " seconds to initialize!" << "\n";
{
uf::thread::add( uf::thread::fetchWorker(), [&]() -> int {
uf::Asset& assetLoader = uf::scene::getCurrentScene().getComponent<uf::Asset>();
assetLoader.processQueue();
return 0;}, false );
}
}
void EXT_API ext::tick() {
/* Timer */ {
times.prevTime = times.curTime;
times.curTime = times.sys.elapsed().asDouble();
times.deltaTime = times.curTime - times.prevTime;
}
static uf::Timer<long long> timer(false);
if ( !timer.running() ) timer.start();
/* Print World Tree */ {
static uf::Timer<long long> timer(false);
if ( !timer.running() ) timer.start();
if ( uf::Window::isKeyPressed("U") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
std::function<void(uf::Entity*, int)> filter = []( uf::Entity* entity, int indent ) {
for ( int i = 0; i < indent; ++i ) uf::iostream << "\t";
uf::iostream << entity->getName() << ": " << entity->getUid();
if ( entity->hasComponent<pod::Transform<>>() ) {
pod::Transform<> t = uf::transform::flatten(entity->getComponent<pod::Transform<>>());
uf::iostream << " (" << t.position.x << ", " << t.position.y << ", " << t.position.z << ") (" << t.orientation.x << ", " << t.orientation.y << ", " << t.orientation.z << ", " << t.orientation.w << ")";
}
uf::iostream << "\n";
};
for ( uf::Scene* scene : ext::vulkan::scenes ) {
if ( !scene ) continue;
std::cout << "Scene: " << scene->getName() << ": " << scene << std::endl;
scene->process(filter, 1);
}
}
}
/* Print Entity Information */ {
static uf::Timer<long long> timer(false);
if ( !timer.running() ) timer.start();
if ( uf::Window::isKeyPressed("P") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
uf::iostream << ext::vulkan::allocatorStats() << "\n";
}
}
/* Attempt to reset VR position */ {
static uf::Timer<long long> timer(false);
if ( !timer.running() ) timer.start();
if ( uf::Window::isKeyPressed("Z") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
uf::hooks.call("VR:Seat.Reset");
}
}
/* Print controller position */ if ( false ) {
static uf::Timer<long long> timer(false);
if ( !timer.running() ) timer.start();
if ( uf::Window::isKeyPressed("Z") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
auto& scene = uf::scene::getCurrentScene();
auto* controller = scene.getController();
auto& camera = controller->getComponent<uf::Camera>();
auto& t = camera.getTransform(); //controller->getComponent<pod::Transform<>>();
uf::iostream << "Viewport position: (" << t.position.x << ", " << t.position.y << ", " << t.position.z << ") (" << t.orientation.x << ", " << t.orientation.y << ", " << t.orientation.z << ", " << t.orientation.w << ")";
uf::iostream << "\n";
if ( false ) {
uf::Entity* light = scene.findByUid(scene.loadChild("/light.json", true));
if ( light ) {
auto& lTransform = light->getComponent<pod::Transform<>>();
auto& lMetadata = light->getComponent<uf::Serializer>();
lTransform.position = t.position;
lTransform.orientation = t.orientation;
if ( !lMetadata["light"].isArray() ) {
lMetadata["light"]["color"][0] = (rand() % 100) / 100.0;
lMetadata["light"]["color"][1] = (rand() % 100) / 100.0;
lMetadata["light"]["color"][2] = (rand() % 100) / 100.0;
}
}
auto& sMetadata = scene.getComponent<uf::Serializer>();
sMetadata["light"]["should"] = true;
}
}
}
/* Update physics timer */ {
uf::physics::tick();
}
/* Update entities */ {
uf::scene::tick();
}
/* Tick Main Thread Queue */ {
pod::Thread& thread = uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true );
uf::thread::process( thread );
}
/* Update vulkan */ {
ext::vulkan::tick();
}
/* Discord */ if ( ::config["engine"]["ext"]["discord"]["enable"].asBool() ) {
ext::discord::tick();
}
/* OpenVR */ if ( ext::openvr::context ) {
ext::openvr::tick();
}
/* Frame limiter of sorts I guess */ {
long long sleep = (uf::thread::limiter * 1000) - timer.elapsed().asMilliseconds();
if ( sleep > 0 ) {
// std::cout << "Frame limiting: " << sleep << ", " << timer.elapsed().asMilliseconds() << std::endl;
std::this_thread::sleep_for(std::chrono::milliseconds(sleep));
}
timer.reset();
}
}
void EXT_API ext::render() {
// uf::scene::render();
ext::vulkan::render();
/* OpenVR */ if ( ext::openvr::context ) {
ext::openvr::submit();
}
}
void EXT_API ext::terminate() {
/* Kill threads */ {
uf::thread::terminate();
}
/* OpenVR */ if ( ext::openvr::context ) {
ext::openvr::terminate();
}
/* Close vulkan */ {
ext::vulkan::destroy();
}
/* Flush input buffer */ {
io.output << io.input << std::endl;
for ( const auto& str : uf::iostream.getHistory() ) io.output << str << std::endl;
io.output << "\nTerminated after " << times.sys.elapsed().asDouble() << " seconds" << std::endl;
io.output.close();
}
uf::scene::destroy();
/* Write persistent data */ if ( false ) {
struct {
bool exists = false;
std::string filename = "./data/persistent.json";
} file;
struct {
uf::Serializer file;
} config;
/* Read from file */ {
file.exists = config.file.readFromFile(file.filename);
}
/* Write persistent data */ {
config.file.writeToFile(file.filename);
}
}
}
std::string EXT_API ext::getConfig() {
struct {
bool initialized = false;
uf::Serializer file;
uf::Serializer fallback;
uf::Serializer merged;
} static config;
if ( config.initialized ) return config.merged;
struct {
bool exists = false;
std::string filename = "./data/config.json";
} file;
/* Read from file */ {
file.exists = config.file.readFromFile(file.filename);
}
/* Initialize default configuration */ {
config.fallback["window"]["terminal"]["ncurses"] = true;
config.fallback["window"]["terminal"]["visible"] = true;
config.fallback["window"]["title"] = "Grimgram";
config.fallback["window"]["icon"] = "";
config.fallback["window"]["size"]["x"] = 0;
config.fallback["window"]["size"]["y"] = 0;
config.fallback["window"]["visible"] = true;
// config.fallback["window"]["fullscreen"] = false;
config.fallback["window"]["mode"] = "windowed";
config.fallback["window"]["cursor"]["visible"] = true;
config.fallback["window"]["cursor"]["center"] = false;
config.fallback["window"]["keyboard"]["repeat"] = true;
config.fallback["engine"]["scenes"]["start"] = "StartMenu";
config.fallback["engine"]["scenes"]["max lights"] = 32;
config.fallback["engine"]["hook"]["mode"] = "Readable";
config.fallback["engine"]["frame limit"] = 60;
config.fallback["engine"]["delta limit"] = 120;
config.fallback["engine"]["worker threads"] = 1;
}
/* Merge */ if ( file.exists ){
config.merged = config.file;
config.merged.merge( config.fallback, true );
} else {
config.merged = config.fallback;
}
/* Write default to file */ if ( false ) {
config.merged.writeToFile(file.filename);
}
config.initialized = true;
return config.merged;
}