author | unc0rr |
Tue, 01 Jan 2019 02:22:01 +0100 | |
changeset 14527 | a4d560aeda96 |
parent 14394 | 4409344db447 |
child 14734 | cc6ab1e3f7d5 |
permissions | -rw-r--r-- |
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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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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; |
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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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} |
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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::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; } |