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qad/qglview/globject.h

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/*
GLObjectBase & Light
Copyright (C) 2017 Ivan Pelipenko peri4ko@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef GLOBJECT_H
#define GLOBJECT_H
#include "glvbo.h"
#include "glframebuffer.h"
#include "glmaterial.h"
class Camera;
class QGLView;
class GLObjectBase
{
friend class QGLView;
friend class GLRendererBase;
friend QDataStream & operator <<(QDataStream & s, const GLObjectBase * p);
friend QDataStream & operator >>(QDataStream & s, GLObjectBase *& p);
friend GLObjectBase * loadFromQGLFile(const QString & filepath);
public:
enum Type {glMesh, glLight, glCamera, glParticlesSystem};
enum Pass {Solid, Transparent, Reflection, User};
enum GeomPrimitives {Triangles = GL_TRIANGLES, Quads = GL_QUADS};
enum RenderMode {View = 0, Point = GL_POINT, Line = GL_LINE, Fill = GL_FILL};
GLObjectBase();
virtual ~GLObjectBase() {;}
virtual GLObjectBase * clone(bool withChildren = true);
QString name() const {return name_;}
void setName(const QString & name) {name_ = name;}
//virtual GLuint hList() {return list;}
virtual void init() {calculateBoundingBox(); vbo.init(); vbo.rebuffer(); /*material_.reflection.create();*/ /*qDebug() << "init" << vbo.buffer_;*/ is_init = true;}
virtual void draw(__GLShaderProgram__ * prog, bool simplest = false);
virtual void update() {}
bool isInit() const {return is_init;}
bool isTexturesLoaded() const {return is_tex_loaded;}
Type type() const {return type_;}
RenderMode renderMode() const {return render_mode;}
void setRenderMode(RenderMode mode) {render_mode = mode;}
double lineWidth() const {return line_width;}
void setLineWidth(const double & width) {line_width = width;}
GLObjectBase * parent() {return parent_;}
void setParent(GLObjectBase * o) {parent_ = o;}
bool hasParent() const {return parent_ != 0;}
bool hasChildren() const {return children_.size() != 0;}
void setView(QGLView * v);
void addChild(GLObjectBase * o) {if (o == this) return; if (o->parent_ != 0) o->parent_->children_.removeAll(o); children_ << o; o->parent_ = this; o->buildTransform(); if (view_ != 0) view_->collectLights();}
void removeChild(GLObjectBase * o) {if (o == this) return; children_.removeAll(o); o->parent_ = 0; o->buildTransform(); if (view_ != 0) view_->collectLights();}
void removeChild(int index) {children_[index]->parent_ = 0; children_[index]->buildTransform(); children_.removeAt(index); if (view_ != 0) view_->collectLights();}
void clearChildren(bool deleteAll = false);
int childCount() const {return children_.size();}
GLObjectBase * child(int index) {if (index < 0 || index >= children_.size()) return 0; return children_[index];}
GLObjectBase * child(const QString & name) {foreach (GLObjectBase * i, children_) if (i->name_ == name) return i; return 0;}
const GLObjectBase * child(int index) const {if (index < 0 || index >= children_.size()) return 0; return children_[index];}
const GLObjectBase * child(const QString & name) const {foreach (GLObjectBase * i, children_) if (i->name_ == name) return i; return 0;}
QList<GLObjectBase * > children(bool all_ = false);
bool isVisible() const {return visible_;}
bool isHidden() const {return !visible_;}
void setVisible(bool v) {visible_ = v;}
void setHidden(bool v) {visible_ = !v;}
void show() {visible_ = true;}
void hide() {visible_ = false;}
bool isReceiveShadows() const {return rec_shadow;}
bool isCastShadows() const {return cast_shadow;}
void setReceiveShadows(bool on) {rec_shadow = on;}
void setCastShadows(bool on) {cast_shadow = on;}
void move(const QVector3D & dv) {pos_ += dv; buildTransform();}
void moveTo(const QVector3D & dv) {pos_ = dv; buildTransform();}
void move(GLdouble dx, GLdouble dy, GLdouble dz = 0.) {move(QVector3D(dx, dy, dz)); buildTransform();}
void moveTo(GLdouble dx, GLdouble dy, GLdouble dz = 0.) {moveTo(QVector3D(dx, dy, dz)); buildTransform();}
void moveX(GLdouble o) {pos_.setX(pos_.x() + o); buildTransform();}
void moveY(GLdouble o) {pos_.setY(pos_.y() + o); buildTransform();}
void moveZ(GLdouble o) {pos_.setZ(pos_.z() + o); buildTransform();}
void setPosX(GLdouble o) {pos_.setX(o); buildTransform();}
void setPosY(GLdouble o) {pos_.setY(o); buildTransform();}
void setPosZ(GLdouble o) {pos_.setZ(o); buildTransform();}
void setPos(GLdouble x, GLdouble y, GLdouble z) {pos_ = QVector3D(x, y, z); buildTransform();}
void setPos(const QVector3D & p) {pos_ = p; buildTransform();}
void resetPos() {pos_ = QVector3D(0., 0., 0.); buildTransform();}
QVector3D pos() const {return pos_;}
double posX() const {return pos_.x();}
double posY() const {return pos_.y();}
double posZ() const {return pos_.z();}
QVector3D worldPos() const {return (itransform_ * QVector4D(0, 0, 0, 1.)).toVector3D();}
QMatrix4x4 worldTransform() const {return itransform_;}
QVector3D rotation() const {return angles_;}
double rotationX() const {return angles_.x();}
double rotationY() const {return angles_.y();}
double rotationZ() const {return angles_.z();}
void rotateX(GLdouble a) {raw_matrix = false; angles_.setX(angles_.x() + a); buildTransform();}
void rotateY(GLdouble a) {raw_matrix = false; angles_.setY(angles_.y() + a); buildTransform();}
void rotateZ(GLdouble a) {raw_matrix = false; angles_.setZ(angles_.z() + a); while (angles_.z() < -360.) angles_.setZ(angles_.z() + 360.); while (angles_.z() > 360.) angles_.setZ(angles_.z() - 360.); buildTransform();}
void setRotationX(GLdouble a) {raw_matrix = false; angles_.setX(a); buildTransform();}
void setRotationY(GLdouble a) {raw_matrix = false; angles_.setY(a); buildTransform();}
void setRotationZ(GLdouble a) {raw_matrix = false; angles_.setZ(a); while (angles_.z() < -360.) angles_.setZ(angles_.z() + 360.); while (angles_.z() > 360.) angles_.setZ(angles_.z() - 360.); buildTransform();}
void setRotation(const QVector3D & a) {raw_matrix = false; angles_= a; buildTransform();}
void resetRotation() {raw_matrix = false; angles_ = QVector3D(0., 0., 0.); buildTransform();}
QVector3D scale() {return scale_;}
double scaleX() {return scale_.x();}
double scaleY() {return scale_.y();}
double scaleZ() {return scale_.z();}
void scale(const QVector3D & sv) {raw_matrix = false; scale_ *= sv; buildTransform();}
void scale(GLdouble sx, GLdouble sy, GLdouble sz) {raw_matrix = false; scale(QVector3D(sx, sy, sz)); buildTransform();}
void scale(GLdouble sx, GLdouble sy) {raw_matrix = false; scale(QVector3D(sx, sy, sy)); buildTransform();}
void scale(GLdouble sx) {raw_matrix = false; scale(QVector3D(sx, sx, sx)); buildTransform();}
void scaleX(GLdouble a) {raw_matrix = false; scale_.setX(scale_.x() + a); buildTransform();}
void scaleY(GLdouble a) {raw_matrix = false; scale_.setY(scale_.y() + a); buildTransform();}
void scaleZ(GLdouble a) {raw_matrix = false; scale_.setZ(scale_.z() + a); buildTransform();}
void setScale(const QVector3D & a) {raw_matrix = false; scale_ = a; buildTransform();}
void setScale(GLdouble a) {raw_matrix = false; scale_ = QVector3D(a, a, a); buildTransform();}
void setScaleX(GLdouble a) {raw_matrix = false; scale_.setX(a); buildTransform();}
void setScaleY(GLdouble a) {raw_matrix = false; scale_.setY(a); buildTransform();}
void setScaleZ(GLdouble a) {raw_matrix = false; scale_.setZ(a); buildTransform();}
void resetScale() {raw_matrix = false; scale_ = QVector3D(1., 1., 1.); buildTransform();}
QMatrix4x4 transform() {return mat_;}
void setTransform(const QMatrix4x4 & t);
bool isAcceptLight() const {return accept_light;}
void setAcceptLight(bool yes) {accept_light = yes;}
bool isAcceptFog() const {return accept_fog;}
void setAcceptFog(bool yes) {accept_fog = yes;}
bool isSelected() const {return selected_;}
void setSelected(bool yes) {selected_ = yes;}
void select();
void deselect() {selected_ = false;}
bool isSelectable() const {return select_;}
void setSelectable(bool yes) {select_ = yes;}
/*
bool isWriteDepth() const {return write_depth_;}
void setWriteDepth(bool yes) {write_depth_ = yes;}*/
QColor color() const {return material_.color_diffuse;}
void setColor(const QColor & c) {material_.color_diffuse = c; checkPass();}
GLenum srcAlpha() const {return blend_src;}
GLenum destAlpha() const {return blend_dest;}
void setSrcAlpha(GLenum mode) {blend_src = mode;}
void setDestAlpha(GLenum mode) {blend_dest = mode;}
void setMaterial(const Material & m, bool with_children = false) {material_ = m; if (with_children) foreach (GLObjectBase * i, children_) i->setMaterial(m, true); checkPass(); is_tex_loaded = false;}
Material & material() {/*is_tex_loaded = false;*/ return material_;}
const Box3D & boundingBox(bool withChildren = true) const {return bound;}
GLVBO & VBO() {return vbo;}
QVector3D pos_h;
QVector<Vector3d> points, puvws;
QVector<Vector3i> faces, uvws, norms;
QVector<Vector3d> normals;
//QVector<GLfloat> d_vertices, d_normals, d_uvs;
protected:
void addChildren(QList<GLObjectBase * > & list, GLObjectBase * where);
void loadTextures(bool with_children = false) {material_.loadTextures((GLTextureManagerBase * )currentGLTextureManager); if (with_children) foreach (GLObjectBase * i, children_) i->loadTextures(); is_tex_loaded = true; checkPass();}
//void deleteTextures() {foreach (GLuint i, textures) currentQGLView->deleteTexture(i); textures.clear();}
void calculateBoundingBox();
void buildTransform();
void initInternal() {init(); loadTextures(); foreach (GLObjectBase * i, children_) i->initInternal();}
void render(int * id = 0, QMap<int, GLObjectBase * > * ids = 0, int sh_id_loc = 0);
void checkPass();
virtual void localTransform(QMatrix4x4 & m);
QMatrix4x4 worldMatrix(QMatrix4x4 parent) const;
int pass_; // Pass
bool is_init, is_tex_loaded, accept_light, accept_fog, /*write_depth_,*/ visible_, cast_shadow, rec_shadow, select_, selected_, raw_matrix;
bool is_root;
double line_width;
Type type_;
GeomPrimitives geom_prim;
RenderMode render_mode;
Material material_;
Box3D bound;
QVector3D pos_, angles_, scale_;
QList<GLObjectBase * > children_;
QList<GLuint> textures;
QMatrix4x4 itransform_, mat_;
//QColor color_;
QString name_;
GLenum blend_src, blend_dest;
GLObjectBase * parent_;
QGLViewBase * view_;
GLVBO vbo;
};
inline bool operator <(const GLObjectBase & f, const GLObjectBase & s) {return f.pos_h.z() < s.pos_h.z();}
class Light: public GLObjectBase {
friend class QGLView;
friend class GLRendererBase;
public:
enum Type {Omni, Directional, Cone};
Light();
Light(const QVector3D & p, const QColor & c = Qt::white, GLdouble i = 1.);
virtual GLObjectBase * clone(bool withChildren = true);
virtual void init() {shadow_map.resize(512, 512); is_init = true;}
virtual void draw(__GLShaderProgram__ * prog, bool simplest = false);
QVector3D direction, dir0, dir1;
GLdouble angle_start;
GLdouble angle_end;
GLdouble intensity;
GLdouble decay_const;
GLdouble decay_linear;
GLdouble decay_quadratic;
GLdouble decay_start;
GLdouble decay_end;
Type light_type;
GLFramebuffer shadow_map;
QMatrix4x4 shadow_matrix;
protected:
};
template <class T>
inline T globject_cast(GLObjectBase * object) {return reinterpret_cast<T>(object);}
template <class T>
inline T globject_cast(const GLObjectBase * object) {return reinterpret_cast<T>(object);}
QDataStream & operator <<(QDataStream & s, const GLObjectBase * p);
QDataStream & operator >>(QDataStream & s, GLObjectBase *& p);
#endif // GLOBJECT_H
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