335 lines
15 KiB
C++
335 lines
15 KiB
C++
/*
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QGLView
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Copyright (C) 2018 Ivan Pelipenko peri4ko@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QGLVIEW_H
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#define QGLVIEW_H
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#include "glframebuffer.h"
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#include <QGraphicsProxyWidget>
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#include <QGraphicsView>
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#include <QGLFramebufferObject>
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#include <QVector3D>
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#include <QTimer>
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#include <QTime>
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#include <QMouseEvent>
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#include <QDebug>
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#include <QMutex>
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#include <QThread>
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#include <QApplication>
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#include "glprimitives.h"
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#include "glparticles_system.h"
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#include "glrendererbase.h"
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class QGLView: public QGraphicsView, public QGLViewBase
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#if QT_VERSION >= 0x050600
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, protected QOpenGLExtraFunctions
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#endif
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{
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friend class GLRendererBase;
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friend class GLObjectBase;
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Q_OBJECT
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Q_PROPERTY (QColor backColor READ backColor WRITE setBackColor)
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Q_PROPERTY (double lineWidth READ lineWidth WRITE setLineWidth)
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Q_PROPERTY (double FOV READ FOV WRITE setFOV)
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Q_PROPERTY (double depthStart READ depthStart WRITE setDepthStart)
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Q_PROPERTY (double depthEnd READ depthEnd WRITE setDepthEnd)
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Q_PROPERTY (QColor ambientColor READ ambientColor WRITE setAmbientColor)
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Q_PROPERTY (QColor fogColor READ fogColor WRITE setFogColor)
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Q_PROPERTY (double fogDensity READ fogDensity WRITE setFogDensity)
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Q_PROPERTY (double fogStart READ fogStart WRITE setFogStart)
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Q_PROPERTY (double fogEnd READ fogEnd WRITE setFogEnd)
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Q_PROPERTY (FogMode fogMode READ fogMode WRITE setFogMode)
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Q_PROPERTY (bool fogEnabled READ isFogEnabled WRITE setFogEnabled)
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Q_PROPERTY (int renderMode READ renderMode WRITE setRenderMode)
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Q_PROPERTY (bool grabMouse READ isGrabMouseEnabled WRITE setGrabMouseEnabled)
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Q_PROPERTY (bool mouseRotate READ isMouseRotateEnabled WRITE setMouseRotateEnabled)
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Q_PROPERTY (bool mouseSelection READ isMouseSelectionEnabled WRITE setMouseSelectionEnabled)
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Q_PROPERTY (bool cameraOrbit READ isCameraOrbit WRITE setCameraOrbit)
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Q_PROPERTY (bool hoverHalo READ isHoverHaloEnabled WRITE setHoverHaloEnabled)
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Q_PROPERTY (QColor hoverHaloColor READ hoverHaloColor WRITE setHoverHaloColor)
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Q_PROPERTY (double hoverHaloFillAlpha READ hoverHaloFillAlpha WRITE setHoverHaloFillAlpha)
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Q_PROPERTY (bool selectionHalo READ isSelectionHaloEnabled WRITE setSelectionHaloEnabled)
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Q_PROPERTY (QColor selectionHaloColor READ selectionHaloColor WRITE setSelectionHaloColor)
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Q_PROPERTY (double selectionHaloFillAlpha READ selectionHaloFillAlpha WRITE setSelectionHaloFillAlpha)
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//Q_PROPERTY (LightingMode lightingMode READ lightingMode WRITE setLightingMode)
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Q_PROPERTY (Qt::MouseButton selectionButton READ selectionButton WRITE setSelectionButton)
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Q_PROPERTY (Qt::KeyboardModifier selectionModifier READ selectionModifier WRITE setSelectionModifier)
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Q_PROPERTY (SelectionMode selectionMode READ selectionMode WRITE setSelectionMode)
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Q_PROPERTY (QPen selectionRectPen READ selectionRectPen WRITE setSelectionRectPen)
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Q_PROPERTY (QBrush selectionRectBrush READ selectionRectBrush WRITE setSelectionRectBrush)
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public:
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QGLView(QWidget * parent = 0);
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virtual ~QGLView();
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enum FogMode {Linear = GL_LINEAR, Exp = GL_EXP, Exp2 = GL_EXP2};
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enum SelectionMode {NoSelection, SingleSelection, MultiSelection};
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enum Feature {
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qglMSAA,
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qglFXAA,
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qglLinearFiltering,
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qglAnisotropicLevel,
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qglHDR,
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qglEyeAccomodationEnabled,
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qglEyeAccomodationTime,
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qglEyeAccomodationMaxSpeed,
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qglBloomEnabled,
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qglBloomThreshold,
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qglBloomFactor,
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qglBloomRadius,
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qglMotionBlurEnabled,
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qglMotionBlurFactor,
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qglMotionBlurSteps,
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qglShadowsEnabled,
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qglShadowsMapSize,
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qglShadowsSoftEnabled,
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qglReflectionsEnabled,
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qglReflectionsBlur,
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qglSSAOEnabled,
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qglSSAORadius,
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qglDepthOfFieldEnabled,
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qglDepthOfFieldAutoFocusEnabled,
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qglDepthOfFieldAutoFocusSpeed,
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qglDepthOfFieldFocus,
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qglDepthOfFieldDiaphragm
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};
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Q_ENUMS (FogMode)
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Q_ENUMS (SelectionMode)
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//enum LightingMode {Simple, PerPixel, DeferredShading};
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//Q_ENUMS (LightingMode)
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void stop() {killTimer(timer);}
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void start(double freq = 40.) {timer = startTimer(freq <= 0. ? 0 : 1000. / freq);}
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GLRendererBase * renderer() {return renderer_;}
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void setRenderer(GLRendererBase * r, GLRendererBase ** prev = 0) {if (prev != 0) *prev = renderer_; renderer_ = r;}
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#if QT_VERSION >= 0x050600
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__GLContext__ * context() {return ((__GLWidget__ * )viewport())->context();}
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#else
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const __GLContext__ * context() const {return ((const __GLWidget__ * )viewport())->context();}
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#endif
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void makeCurrent() {((__GLWidget__ * )viewport())->makeCurrent();}
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QColor backColor() const {return backColor_;}
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double lineWidth() const {return lineWidth_;}
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double FOV() const {return camera().fov_;}
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double depthStart() const {return camera().depth_start;}
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double depthEnd() const {return camera().depth_end;}
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double currentFPS() const {return fps_;}
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int maxAnisotropicLevel() const {return max_anisotropic;}
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QColor ambientColor() const {return ambientColor_;}
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QColor fogColor() const {return fogColor_;}
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double fogDensity() const {return fogDensity_;}
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double fogStart() const {return fogStart_;}
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double fogEnd() const {return fogEnd_;}
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FogMode fogMode() const {return fogMode_;}
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//LightingMode lightingMode() const {return lmode;}
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bool isFogEnabled() const {return fogEnabled_;}
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bool isLightEnabled() const {return lightEnabled_;}
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bool isGrabMouseEnabled() const {return grabMouse_;}
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bool isMouseRotateEnabled() const {return mouseRotate_;}
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bool isMouseSelectionEnabled() const {return mouseSelect_;}
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bool isCameraOrbit() const {return cameraOrbit_;}
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bool isHoverHaloEnabled() const {return hoverHalo_;}
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QColor hoverHaloColor() const {return hoverHaloColor_;}
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double hoverHaloFillAlpha() const {return hoverHaloFill_;}
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bool isSelectionHaloEnabled() const {return selectionHalo_;}
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QColor selectionHaloColor() const {return selectionHaloColor_;}
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double selectionHaloFillAlpha() const {return selectionHaloFill_;}
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QVariant feature(Feature f) const {return features_.value(int(f));}
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QVariant setFeature(Feature f, const QVariant & value) {QVariant ret = features_.value(int(f)); features_[int(f)] = value; return ret;}
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bool isFeatureEnabled(Feature f) const {return features_[int(f)].toBool();}
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int renderMode() const {return (int)rmode;}
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void setRenderMode(int mode) {rmode = (GLObjectBase::RenderMode)mode;}
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void addObject(QGraphicsItem * o) {scene()->addItem(o);}
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void addObject(QWidget * o, Qt::WindowFlags f = Qt::Widget);
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void addObject(GLObjectBase * o);
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void addObject(GLObjectBase & o) {addObject(&o);}
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int objectsCount(bool all = false) {if (!all) return objects_.childCount(); int cnt = 0; objectsCountInternal(&cnt, &objects_); return cnt;}
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void removeObject(GLObjectBase * o, bool inChildren = true);
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void removeObject(GLObjectBase & o, bool inChildren = true) {removeObject(&o, inChildren);}
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void clearObjects(bool deleteAll = false);
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QList<GLObjectBase * > objects(bool all = false) {return objects_.children(all);}
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int lightsCount() const {return lights_.size();}
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void removeLight(int index) {removeObject(lights_.at(index)); lights_.removeAt(index);}
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void removeLight(Light * l) {foreach (Light * i, lights_) removeObject(i); lights_.removeAll(l);}
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void clearLights(bool deleteAll = false) {if (deleteAll) foreach (Light * i, lights_) delete i; lights_.clear();}
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QList<Light * > lights() {return lights_;}
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GLTextureManager * textureManager() {return &textures_manager;}
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void addTexture(const QString & path) {textures_manager.addTexture(path);}
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void addAnimation(const QString & dir, const QString & name) {textures_manager.addAnimation(dir, name);}
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const GLObjectBase & rootObject() {return objects_;}
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GLObjectBase * object(int index) {return objects_.child(index);}
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GLObjectBase * object(const QString & name) {return objects_.child(name);}
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Light * light(int index) {return lights_[index];}
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Light * light(const QString & name) {foreach (Light * i, lights_) if (i->name_ == name) return i; return 0;}
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QPen selectionRectPen() const {return sel_pen;}
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QBrush selectionRectBrush() const {return sel_brush;}
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SelectionMode selectionMode() const {return sel_mode;}
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Qt::MouseButton selectionButton() const {return sel_button;}
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Qt::KeyboardModifier selectionModifier() const {return sel_mod;}
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void setSelectionMode(SelectionMode v) {sel_mode = v;}
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void setSelectionButton(Qt::MouseButton v) {sel_button = v;}
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void setSelectionModifier(Qt::KeyboardModifier v) {sel_mod = v;}
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void setSelectionRectPen(const QPen & v) {sel_pen = v;}
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void setSelectionRectBrush(const QBrush & v) {sel_brush = v;}
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void selectObject(GLObjectBase * o);
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GLObjectBase * selectedObject() const {return sel_obj;}
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GLdouble aspect, iaspect;
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QMatrix4x4 cur_mvpm;
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//__GLShaderProgram__ * shader_rope;
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protected:
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virtual void drawBackground(QPainter * painter, const QRectF & rect);
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virtual void resizeEvent(QResizeEvent * e) {resizeGL(viewport()->width(), viewport()->height()); QGraphicsView::resizeEvent(e);}
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void timerEvent(QTimerEvent * ) {/*globMutex.lock();*/ processKeys(); viewport()->repaint(); /*globMutex.unlock();*/}
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void initializeGL();
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void paintGL();
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void resizeGL(int width, int height);
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void mousePressEvent(QMouseEvent * e);
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void mouseMoveEvent(QMouseEvent * e);
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void mouseReleaseEvent(QMouseEvent * e);
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void wheelEvent(QWheelEvent * e);
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void leaveEvent(QEvent * );
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void keyPressEvent(QKeyEvent * e) {emit glKeyPressEvent(e); if (e->key() > 0) keys_.insert(e->key());}
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void keyReleaseEvent(QKeyEvent * e) {emit glKeyReleaseEvent(e); keys_.remove(e->key());}
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void focusOutEvent(QFocusEvent *) {keys_.clear();}
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void applyFog();
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void renderSelection();
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void checkCaps();
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void collectLights();
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private:
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void objectDeleted(GLObjectBase * o);
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void collectObjectLights(GLObjectBase * o);
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void objectsCountInternal(int * cnt, GLObjectBase * where) {++(*cnt); foreach (GLObjectBase * i, where->children_) objectsCountInternal(cnt, i);}
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void removeObjectInternal(GLObjectBase * o, GLObjectBase * where);
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void renderSingleSelection(GLObjectBase & o);
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//void renderSingleShadow(GLObjectBase & o);
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void renderHalo(const GLObjectBase * obj, const int iid, const QColor & color, const double & fill);
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QList<QGraphicsItem * > collectGraphicItems();
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void collectGraphicItems(QList<QGraphicsItem * > & list, QGraphicsItem * o);
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void reloadThisShaders();
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void processKeys();
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bool setupViewport();
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QPoint lastPos, downPos;
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QMutex v_mutex;
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GLTextureManager textures_manager;
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GLObjectBase objects_;
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QList<Light * > lights_;
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uint cid;
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QMap<uint, GLObjectBase * > ids;
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QSet<int> keys_;
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FogMode fogMode_;
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QColor backColor_, fogColor_, ambientColor_, hoverHaloColor_, selectionHaloColor_;
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QPainter * painter_;
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QTime time, ktm_;
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QPen sel_pen;
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QBrush sel_brush;
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GLint max_anisotropic, max_texture_chanels;
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GLObjectBase::RenderMode rmode;
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//LightingMode lmode;
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GLObjectBase * sel_obj, * hov_obj;
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GLFramebuffer fbo_selection;
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__GLShaderProgram__ * shader_select, * shader_halo;
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GLRendererBase * renderer_;
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SelectionMode sel_mode;
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Qt::MouseButton sel_button;
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Qt::KeyboardModifier sel_mod;
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GLRendererBase::RenderingParameters start_rp;
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QHash<int, QVariant> features_;
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__GLWidget__ * _w;
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double lineWidth_;
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double fogDensity_, fogStart_, fogEnd_, fps_, fps_tm, hoverHaloFill_, selectionHaloFill_, m_motionBlurFactor;
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int timer, fps_cnt, sh_id_loc;
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bool is_first_draw, is_init, fogEnabled_, lightEnabled_, grabMouse_, mouse_first, mouseRotate_, mouseSelect_, customMouseMove_;
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bool shaders_supported, changed_, cameraOrbit_, need_init_;
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bool hoverHalo_, selectionHalo_, mouseThis_, shaders_bind, selecting_;
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public slots:
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void setBackColor(const QColor & arg) {backColor_ = arg;}
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void setLineWidth(const double & arg) {lineWidth_ = arg;}
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void setFOV(const double & arg) {camera().fov_ = arg;}
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void setDepthStart(const double & arg) {camera().depth_start = arg;}
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void setDepthEnd(const double & arg) {camera().depth_end = arg;}
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void setAmbientColor(const QColor & arg) {ambientColor_ = arg;}
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void setFogColor(const QColor & arg) {fogColor_ = arg;}
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void setFogDensity(const double & arg) {fogDensity_ = arg;}
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void setFogStart(const double & arg) {fogStart_ = arg;}
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void setFogEnd(const double & arg) {fogEnd_ = arg;}
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void setFogMode(const FogMode & arg) {fogMode_ = arg;}
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void setFogEnabled(const bool & arg) {fogEnabled_ = arg;}
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void setLightEnabled(const bool & arg) {lightEnabled_ = arg;}
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void setGrabMouseEnabled(const bool & arg) {grabMouse_ = arg; mouse_first = true;}
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void setMouseRotateEnabled(const bool & arg) {mouseRotate_ = arg;}
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void setMouseSelectionEnabled(const bool & arg) {mouseSelect_ = arg;}
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void setCustomMouseMove(const bool & arg) {customMouseMove_ = arg;}
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void setCameraOrbit(const bool & arg) {cameraOrbit_ = arg;}
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void setHoverHaloEnabled(const bool & arg) {hoverHalo_ = arg;}
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void setHoverHaloColor(const QColor & arg) {hoverHaloColor_ = arg;}
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void setHoverHaloFillAlpha(const double & arg) {hoverHaloFill_ = arg;}
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void setSelectionHaloEnabled(const bool & arg) {selectionHalo_ = arg;}
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void setSelectionHaloColor(const QColor & arg) {selectionHaloColor_ = arg;}
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void setSelectionHaloFillAlpha(const double & arg) {selectionHaloFill_ = arg;}
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//void setLightingMode(const LightingMode & arg) {lmode = arg;}
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void reloadShaders() {if (renderer_ != 0) renderer_->reloadShaders(); reloadThisShaders();}
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void deselect() {sel_obj = 0;}
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signals:
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void glBeforePaint();
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void glBeginPaint();
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void glPainting();
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void glEndPaint();
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void glKeyPressEvent(QKeyEvent * e);
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void glKeyReleaseEvent(QKeyEvent * e);
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void glMousePressEvent(QMouseEvent * e);
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void glMouseMoveEvent(QMouseEvent * e);
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void glMouseReleaseEvent(QMouseEvent * e);
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void glWheelEvent(QWheelEvent * e);
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void glResize(int, int);
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void glInitializeDone();
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void cameraPosChanged(QVector3D pos);
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void keyEvent(Qt::Key key, Qt::KeyboardModifiers mod);
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void customMouseMoveEvent(QPoint curpos, QPoint lastpos, Qt::MouseButtons buttons);
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void hoverChanged(GLObjectBase * cur, GLObjectBase * prev);
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void selectionChanged(GLObjectBase * cur, GLObjectBase * prev);
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void objectAdded(GLObjectBase * );
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};
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#endif // QGLVIEW_H
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