104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
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//
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// Created by Иван Ильин on 14.01.2021.
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//
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#include "Engine.h"
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#include "utils/Time.h"
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#include <iostream>
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#include "ResourceManager.h"
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#include "physics/Solver.h"
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Engine::Engine() {
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screen = std::make_shared<Screen>();
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world = std::make_shared<World>();
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camera = std::make_shared<Camera>();
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}
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void Engine::create(int screenWidth, int screenHeight, const std::string &name, bool verticalSync, sf::Color background, sf::Uint32 style) {
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screen->open(screenWidth, screenHeight, name, verticalSync, background, style);
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Log::log("Engine::create(): started engine (" + std::to_string(screenWidth) + " x " + std::to_string(screenHeight) + ") with name '" + name + "'.");
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Time::update();
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start();
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camera->init(screenWidth, screenHeight);
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screen->getMouseDisplacement(); // We do it to set mouse position in the center (see how getMouseDisplacement() works)
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while (screen->isOpen()) {
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screen->clear();
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Time::update();
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screen->keyboardControl();
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update(Time::deltaTime());
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world->garbageCollector();
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/* Project all mesh
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* Here we project all tris for each mesh from world._objects.
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* When we call camera.project(m.second),
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*/
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// sometimes we dont need to update physics world
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// (for example in menu or while pause)
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// hence we can set 'b_updateWorld' equal to false in setUpdateWorld(bool):
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if(b_updateWorld) {
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camera->record();
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for (auto &m : world->objects()) {
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m.second->a_update();
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camera->project(*m.second, screen->mode());
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m.second->updatePhysicsState();
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// isCollision detection:
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if (m.second->isCollision()) {
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m.second->setInCollision(false);
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m.second->setCollisionNormal(Point4D{0, 0, 0});
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for (auto &obj : world->objects()) {
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if(obj.first != m.first) {
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std::pair<bool, Simplex> gjk = m.second->checkGJKCollision(obj.second);
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if (gjk.first) {
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if (obj.second->isCollider()) {
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CollisionPoint epa = m.second->EPA(gjk.second, obj.second);
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Solver::solveCollision(m.second, obj.second, epa);
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}
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if (m.second->collisionCallBack() != nullptr)
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m.second->collisionCallBack()(obj.first, obj.second);
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}
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}
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}
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}
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}
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// draw projected mesh
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for (auto &t : camera->sorted())
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screen->triangle(t);
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camera->a_update();
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triPerSec = camera->buffSize() * Time::fps();
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if (b_debugText) {
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screen->debugText(name + "\n\n X: " +
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std::to_string((camera->eye().x())) + "\n Y: " +
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std::to_string((camera->eye().y())) + "\n Z: " +
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std::to_string((camera->eye().z())) + "\n\n" +
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std::to_string(screen->width()) + "x" +
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std::to_string(screen->height()) + "\n" +
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std::to_string(Time::fps()) +
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" fps \n" + std::to_string((int) triPerSec) + " tris/s");
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}
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}
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gui();
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screen->display();
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}
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exit();
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}
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void Engine::exit() {
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if(screen->isOpen()) {
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screen->close();
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}
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ResourceManager::unloadAllResources();
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Log::log("Engine::exit(): exit engine (" + std::to_string(screen->width()) + " x " + std::to_string(screen->height()) + ") with name '" + screen->title() + "'.");
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}
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