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152 lines
3.8 KiB
152 lines
3.8 KiB
/* The MIT License
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*
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* Copyright (c) 2010 OTClient, https://github.com/edubart/otclient
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "engine.h"
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#include "fonts.h"
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#include "platform.h"
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#include "graphics.h"
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#include "input.h"
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#include "configs.h"
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#include "gamestate.h"
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#include "dispatcher.h"
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#include "net/connections.h"
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#include "ui/uicontainer.h"
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Engine g_engine;
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void Engine::init()
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{
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// initialize stuff
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g_graphics.init();
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g_fonts.init();
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}
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void Engine::terminate()
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{
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// force last state exit
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changeState(NULL);
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// terminate stuff
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g_fonts.terminate();
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g_graphics.terminate();
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}
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void Engine::run()
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{
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int ticks = Platform::getTicks();
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int lastFpsTicks = ticks;
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int frameCount = 0;
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int fps = 0;
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m_running = true;
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while(!m_stopping) {
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// poll platform events
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Platform::poll();
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// poll network events
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g_connections.poll();
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ticks = Platform::getTicks();
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// poll diaptcher tasks
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g_dispatcher.poll(ticks);
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// render only when visible
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if(Platform::isWindowVisible()) {
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// calculate and fps
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if(m_calculateFps) {
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frameCount++;
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if(ticks - lastFpsTicks >= 1000) {
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lastFpsTicks = ticks;
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fps = frameCount;
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frameCount = 0;
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}
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}
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render();
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// render fps
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if(m_calculateFps) {
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std::string fpsText = format("FPS: %d", fps);
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Size textSize = g_defaultFont->calculateTextRectSize(fpsText);
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g_defaultFont->renderText(fpsText, Point(g_graphics.getScreenSize().width() - textSize.width() - 10, 10));
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}
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// swap buffers
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Platform::swapBuffers();
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}
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}
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m_stopping = false;
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m_running = false;
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}
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void Engine::stop()
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{
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m_stopping = true;
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}
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void Engine::changeState(GameState* newState)
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{
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if(m_currentState)
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m_currentState->onLeave();
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m_currentState = newState;
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if(m_currentState)
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m_currentState->onEnter();
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}
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void Engine::render()
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{
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g_graphics.beginRender();
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if(m_currentState)
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m_currentState->render();
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g_ui->render();
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g_graphics.endRender();
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}
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void Engine::onClose()
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{
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if(m_currentState)
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m_currentState->onClose();
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}
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void Engine::onResize(const Size& size)
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{
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g_graphics.resize(size);
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g_ui->setSize(size);
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if(m_currentState)
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m_currentState->onResize(size);
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}
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void Engine::onInputEvent(const InputEvent& event)
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{
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// inputs goest to gui first
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if(!g_ui->onInputEvent(event)) {
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// if gui didnt capture the input then goes to the state
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if(m_currentState)
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m_currentState->onInputEvent(event);
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}
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}
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