hedgewars-draft: qmlfrontend/game_view.cpp@cc6ab1e3f7d5 (annotated)

14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	1	#include "game_view.h"
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	2
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	3	#include <QtQuick/qquickwindow.h>
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	4	#include <QCursor>
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	5	#include <QTimer>
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	6	#include <QtGui/QOpenGLContext>
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	7	#include <QtGui/QOpenGLShaderProgram>
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	8
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	9	GameView::GameView() : m_delta(0), m_windowChanged(true) {
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	10	connect(this, &QQuickItem::windowChanged, this,
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	11	&GameView::handleWindowChanged);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	12	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	13
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	14	void GameView::tick(quint32 delta) {
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	15	m_delta = delta;
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	16
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	17	if (window()) {
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	18	QTimer* timer = new QTimer(this);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	19	connect(timer, &QTimer::timeout, window(), &QQuickWindow::update);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	20	timer->start(100);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	21
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	22	// window()->update();
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	23	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	24	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	25
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	26	EngineInstance* GameView::engineInstance() const { return m_engineInstance; }
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	27
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	28	void GameView::handleWindowChanged(QQuickWindow* win) {
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	29	if (win) {
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	30	connect(win, &QQuickWindow::beforeSynchronizing, this, &GameView::sync,
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	31	Qt::DirectConnection);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	32	connect(win, &QQuickWindow::sceneGraphInvalidated, this, &GameView::cleanup,
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	33	Qt::DirectConnection);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	34
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	35	win->setClearBeforeRendering(false);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	36
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	37	m_windowChanged = true;
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	38	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	39	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	40
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	41	void GameView::cleanup() { m_renderer.reset(); }
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	42
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	43	void GameView::setEngineInstance(EngineInstance* engineInstance) {
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	44	if (m_engineInstance == engineInstance) return;
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	45
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	46	cleanup();
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	47	m_engineInstance = engineInstance;
14319 00b56ec8b7df Pass opengl context to engine unC0Rr parents: 14311 diff changeset	48
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	49	emit engineInstanceChanged(m_engineInstance);
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	50	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	51
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	52	void GameView::sync() {
14319 00b56ec8b7df Pass opengl context to engine unC0Rr parents: 14311 diff changeset	53	if (!m_renderer && m_engineInstance) {
00b56ec8b7df Pass opengl context to engine unC0Rr parents: 14311 diff changeset	54	m_engineInstance->setOpenGLContext(window()->openglContext());
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	55	m_renderer.reset(new GameViewRenderer());
14319 00b56ec8b7df Pass opengl context to engine unC0Rr parents: 14311 diff changeset	56	m_renderer->setEngineInstance(m_engineInstance);
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	57	connect(window(), &QQuickWindow::beforeRendering, m_renderer.data(),
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	58	&GameViewRenderer::paint, Qt::DirectConnection);
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	59	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	60
14733 57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	61	if (m_windowChanged \|\| (m_viewportSize != window()->size())) {
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	62	m_windowChanged = false;
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	63
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	64	if (m_engineInstance)
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	65	m_engineInstance->setOpenGLContext(window()->openglContext());
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	66
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	67	m_viewportSize = window()->size();
14734 cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	68	m_centerPoint = QPoint(m_viewportSize.width(), m_viewportSize.height()) / 2;
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	69	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	70
14734 cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	71	if (m_engineInstance) {
cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	72	QPoint mousePos = mapFromGlobal(QCursor::pos()).toPoint();
cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	73	m_engineInstance->moveCamera(mousePos - m_centerPoint);
cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	74	QCursor::setPos(mapToGlobal(m_centerPoint).toPoint());
cc6ab1e3f7d5 Allow to move camera around unc0rr parents: 14733 diff changeset	75	}
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	76
14319 00b56ec8b7df Pass opengl context to engine unC0Rr parents: 14311 diff changeset	77	if (m_renderer) m_renderer->tick(m_delta);
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	78	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	79
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	80	GameViewRenderer::GameViewRenderer()
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	81	: QObject(), m_delta(0), m_engineInstance(nullptr) {}
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	82
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	83	GameViewRenderer::~GameViewRenderer() {}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	84
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	85	void GameViewRenderer::tick(quint32 delta) { m_delta = delta; }
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	86
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	87	void GameViewRenderer::setEngineInstance(EngineInstance* engineInstance) {
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	88	m_engineInstance = engineInstance;
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	89	}
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	90
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	91	void GameViewRenderer::paint() {
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	92	if (m_delta == 0) return;
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	93
14311 92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	94	if (m_engineInstance) {
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	95	m_engineInstance->advance(m_delta);
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	96	m_engineInstance->renderFrame();
92e5682810d4 Prepare to have possibility to pass opengl context to engine unc0rr parents: 14175 diff changeset	97	}
14164 745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	98
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	99	// m_window->resetOpenGLState();
745c73e0e644 Start working on frontend to rust engine rewrite unC0Rr parents: diff changeset	100	}
14733 57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	101
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	102	void GameViewRenderer::onViewportSizeChanged(QQuickWindow* window) {
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	103	if (m_engineInstance)
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	104	m_engineInstance->setOpenGLContext(window->openglContext());
57293f34ce59 Detect and handle resize unc0rr parents: 14319 diff changeset	105	}

author	unc0rr
	Fri, 22 Mar 2019 21:29:10 +0100
changeset 14734	cc6ab1e3f7d5
parent 14733	57293f34ce59
child 14863	ef9630519491
permissions	-rw-r--r--