115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
//
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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 "animation/Timeline.h"
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#include "SoundController.h"
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Engine::Engine() {
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Time::init();
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Timeline::init();
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ResourceManager::init();
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SoundController::init();
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screen = std::make_shared<Screen>();
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keyboard = std::make_shared<Keyboard>();
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mouse = std::make_shared<Mouse>();
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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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_name = name;
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screen->open(screenWidth, screenHeight, name, verticalSync, background, style);
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screen->attachMouse(mouse);
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Log::log("Engine::create(): started engine (" + std::to_string(screenWidth) + "x" + std::to_string(screenHeight) + ") with title '" + name + "'.");
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Time::update();
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start();
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camera->init(screenWidth, screenHeight);
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mouse->setMouseInCenter();
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while (screen->isOpen()) {
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screen->clear();
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Time::update();
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update();
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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 '_updateWorld' equal to false in setUpdateWorld(bool):
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if(_updateWorld) {
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Timeline::update();
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world->update();
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if(_useOpenGL) {
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GLfloat* view = camera->view();
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for(auto & it : *world) {
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if (it.second->isVisible()) {
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GLfloat* geometry = Screen::glMeshToGLfloatArray(it.second, camera->position());
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screen->glDrawMesh(geometry, view, 3 * it.second->triangles().size());
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free(geometry);
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}
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}
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free(view);
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} else {
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// clear triangles from previous frame
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camera->clear();
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// project triangles to the camera plane
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for(auto & it : *world)
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camera->project(it.second);
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// draw triangles on the screen
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for (auto &t : camera->sorted())
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screen->drawTriangle(*t);
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_triPerSec = camera->buffSize() * Time::fps();
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}
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printDebugText();
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gui();
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}
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screen->display();
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}
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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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SoundController::free();
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ResourceManager::free();
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Timeline::free();
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Time::free();
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Log::log("Engine::exit(): exit engine (" + std::to_string(screen->width()) + "x" + std::to_string(screen->height()) + ") with title '" +
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screen->title() + "'.");
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}
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void Engine::printDebugText() const {
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if (_debugText) {
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std::string str = _name + "\n\n X: " +
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std::to_string((camera->position().x())) + "\n Y: " +
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std::to_string((camera->position().y())) + "\n Z: " +
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std::to_string((camera->position().z())) + "\n\n" +
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std::to_string(screen->width()) + "x" +
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std::to_string(screen->height()) + "\t" +
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std::to_string(Time::fps()) + " fps";
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if(_useOpenGL) {
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str += "\n Using OpenGL acceleration";
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} else {
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str += "\n" + std::to_string((int) _triPerSec) + " tris/s";
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}
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screen->debugText(str);
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}
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}
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