qmlfrontend/engine_instance.cpp
author alfadur
Sat, 11 Jul 2020 02:12:02 +0300
changeset 15715 e0cdb6ae88ab
parent 15217 b32c52c76977
child 15891 d52f5d8e75e6
permissions -rw-r--r--
add sentry deployment step
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#include "engine_instance.h"
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#include <QDebug>
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#include <QLibrary>
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#include <QOpenGLFunctions>
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#include <QSurface>
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static QOpenGLContext* currentOpenglContext = nullptr;
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extern "C" void (*getProcAddress(const char* fn))() {
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  if (!currentOpenglContext)
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    return nullptr;
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  else
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    return currentOpenglContext->getProcAddress(fn);
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}
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EngineInstance::EngineInstance(const QString& libraryPath, QObject* parent)
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    : QObject(parent) {
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  QLibrary hwlib(libraryPath);
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  if (!hwlib.load())
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    qWarning() << "Engine library not found" << hwlib.errorString();
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  hedgewars_engine_protocol_version =
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      reinterpret_cast<Engine::hedgewars_engine_protocol_version_t*>(
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          hwlib.resolve("hedgewars_engine_protocol_version"));
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  start_engine =
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      reinterpret_cast<Engine::start_engine_t*>(hwlib.resolve("start_engine"));
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  generate_preview = reinterpret_cast<Engine::generate_preview_t*>(
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      hwlib.resolve("generate_preview"));
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  dispose_preview = reinterpret_cast<Engine::dispose_preview_t*>(
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      hwlib.resolve("dispose_preview"));
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  cleanup = reinterpret_cast<Engine::cleanup_t*>(hwlib.resolve("cleanup"));
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  send_ipc = reinterpret_cast<Engine::send_ipc_t*>(hwlib.resolve("send_ipc"));
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  read_ipc = reinterpret_cast<Engine::read_ipc_t*>(hwlib.resolve("read_ipc"));
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  setup_current_gl_context =
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      reinterpret_cast<Engine::setup_current_gl_context_t*>(
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          hwlib.resolve("setup_current_gl_context"));
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  render_frame =
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      reinterpret_cast<Engine::render_frame_t*>(hwlib.resolve("render_frame"));
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  advance_simulation = reinterpret_cast<Engine::advance_simulation_t*>(
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      hwlib.resolve("advance_simulation"));
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  move_camera =
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      reinterpret_cast<Engine::move_camera_t*>(hwlib.resolve("move_camera"));
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  simple_event =
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      reinterpret_cast<Engine::simple_event_t*>(hwlib.resolve("simple_event"));
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  long_event =
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      reinterpret_cast<Engine::long_event_t*>(hwlib.resolve("long_event"));
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  positioned_event = reinterpret_cast<Engine::positioned_event_t*>(
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      hwlib.resolve("positioned_event"));
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  m_isValid = hedgewars_engine_protocol_version && start_engine &&
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              generate_preview && dispose_preview && cleanup && send_ipc &&
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              read_ipc && setup_current_gl_context && render_frame &&
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              advance_simulation && move_camera && simple_event && long_event &&
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              positioned_event;
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  emit isValidChanged(m_isValid);
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  if (isValid()) {
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    qDebug() << "Loaded engine library with protocol version"
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             << hedgewars_engine_protocol_version();
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    m_instance = start_engine();
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  } else {
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    qDebug("Engine library load failed");
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  }
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}
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EngineInstance::~EngineInstance() {
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  if (m_isValid) cleanup(m_instance);
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}
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void EngineInstance::sendConfig(const GameConfig& config) {
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  for (auto b : config.config()) {
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    send_ipc(m_instance, reinterpret_cast<uint8_t*>(b.data()),
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             static_cast<size_t>(b.size()));
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  }
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}
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void EngineInstance::advance(quint32 ticks) {
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  advance_simulation(m_instance, ticks);
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}
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void EngineInstance::moveCamera(const QPoint& delta) {
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  move_camera(m_instance, delta.x(), delta.y());
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}
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void EngineInstance::simpleEvent(Engine::SimpleEventType event_type) {
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  simple_event(m_instance, event_type);
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}
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void EngineInstance::longEvent(Engine::LongEventType event_type,
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                               Engine::LongEventState state) {
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  long_event(m_instance, event_type, state);
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}
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void EngineInstance::positionedEvent(Engine::PositionedEventType event_type,
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                                     qint32 x, qint32 y) {
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  positioned_event(m_instance, event_type, x, y);
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}
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void EngineInstance::renderFrame() { render_frame(m_instance); }
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void EngineInstance::setOpenGLContext(QOpenGLContext* context) {
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  currentOpenglContext = context;
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  auto size = context->surface()->size();
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  setup_current_gl_context(m_instance, static_cast<quint16>(size.width()),
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                           static_cast<quint16>(size.height()),
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                           &getProcAddress);
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}
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QImage EngineInstance::generatePreview() {
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  Engine::PreviewInfo pinfo;
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  generate_preview(m_instance, &pinfo);
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  QVector<QRgb> colorTable;
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  colorTable.resize(256);
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  for (int i = 0; i < 256; ++i) colorTable[i] = qRgba(255, 255, 0, i);
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  QImage previewImage(pinfo.land, static_cast<int>(pinfo.width),
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                      static_cast<int>(pinfo.height), QImage::Format_Indexed8);
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  previewImage.setColorTable(colorTable);
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  // Cannot use it here, since QImage refers to original bytes
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  // dispose_preview(m_instance);
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  return previewImage;
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}
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bool EngineInstance::isValid() const { return m_isValid; }