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git-svn-id: svn://db.shs.com.ru/libs@1 a8b55f48-bf90-11e4-a774-851b48703e85

qglview/gltypes.cpp

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+/*
+    QGLView
+    Copyright (C) 2012  Ivan Pelipenko peri4ko@gmail.com
+
+    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/>.
+*/
+
+#include "gltypes.h"
+#include "qglview.h"
+
+QGLWidget * currentQGLView;
+GLTextureManager * currentGLTextureManager;
+Camera * currentCamera;
+QMatrix4x4 globCameraMatrix;
+QMutex globMutex;
+
+
+QString readCharsUntilNull(QDataStream & s) {
+	QString str;
+	char ch;
+	s.readRawData(&ch, 1);
+	while (ch != '\0') {
+		str += ch;
+		s.readRawData(&ch, 1);
+	}
+	return str;
+}
+
+
+void glDrawQuad(GLfloat x, GLfloat y, GLfloat w, GLfloat h) {
+	glResetAllTransforms();
+	glSetPolygonMode(GL_FILL);
+	glBegin(GL_QUADS);
+	glColor3f(1.f, 1.f, 1.f);
+	glTexCoord2f(0.f, 0.f); glVertex2f(x, y);
+	glTexCoord2f(1.f, 0.f); glVertex2f(x + w, y);
+	glTexCoord2f(1.f, 1.f); glVertex2f(x + w, y + h);
+	glTexCoord2f(0.f, 1.f); glVertex2f(x, y + h);
+	glEnd();
+}
+
+
+QMatrix4x4 getGLMatrix(GLenum matrix) {
+	GLfloat gm[16];
+	glGetFloatv(matrix, gm);
+	qreal qm[16];
+	for (int i = 0; i < 16; ++i)
+		qm[i] = gm[i];
+	return QMatrix4x4(qm, 4, 4).transposed();
+}
+
+
+void createGLTexture(GLuint & tex, int width, int height, const GLenum & format, const GLenum & target) {
+	glClearError();
+	if (tex == 0) {
+		glGenTextures(1, &tex);
+		glBindTexture(target, tex);
+	}
+    //glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	if (format == GL_DEPTH_COMPONENT || format == GL_DEPTH_COMPONENT16 || format == GL_DEPTH_COMPONENT24 || format == GL_DEPTH_COMPONENT32)
+		glTexImage2D(target, 0, format, width, height, 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_BYTE, 0);
+	else
+		glTexImage2D(target, 0, format, width, height, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	//qDebug() << QString::number(glGetError(), 16);
+}
+
+
+void createGLTexture(GLuint & tex, const QImage & image, const GLenum & format, const GLenum & target) {
+	if (tex == 0) {
+		glGenTextures(1, &tex);
+		glBindTexture(target, tex);
+	}
+	QImage im = QGLWidget::convertToGLFormat(image);
+	//const QImage & cim(im);
+	//glClearError();
+	//glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
+	if (target == GL_TEXTURE_1D || target == GL_TEXTURE_2D || target == GL_TEXTURE_3D) {
+		glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_REPEAT);
+		glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_REPEAT);
+		glTexParameteri(target, GL_TEXTURE_WRAP_R, GL_REPEAT);
+		glTexParameteri(target, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+		glTexParameteri(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		glTexParameteri(target, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+	}
+	glTexImage2D(target, 0, format, im.width(), im.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, im.bits());
+	//qDebug() << tex << im.width() << im.height() << im.bits() << glGetError();
+}
+
+
+bool loadShaders(QGLShaderProgram * prog, const QString & name, const QString & dir) {
+	prog->removeAllShaders();
+	QDir d(dir);
+	QFileInfoList sl = d.entryInfoList(QStringList(name + ".geom"), QDir::Files | QDir::NoDotAndDotDot);
+#if QT_VERSION >= 0x040700
+	foreach (const QFileInfo & i, sl)
+		prog->addShaderFromSourceFile(QGLShader::Geometry, i.absoluteFilePath());
+#endif
+	sl = d.entryInfoList(QStringList(name + ".vert"), QDir::Files | QDir::NoDotAndDotDot);
+	foreach (const QFileInfo & i, sl)
+		prog->addShaderFromSourceFile(QGLShader::Vertex, i.absoluteFilePath());
+	sl = d.entryInfoList(QStringList(name + ".frag"), QDir::Files | QDir::NoDotAndDotDot);
+	foreach (const QFileInfo & i, sl)
+		prog->addShaderFromSourceFile(QGLShader::Fragment, i.absoluteFilePath());
+	if (!prog->link()) {
+		qDebug() << "[QGLView] Shader \"" + name + "\" link error: " + prog->log();
+		return false;
+	}
+	return true;
+}
+
+
+QImage rotateQImageLeft(const QImage & im) {
+	QImage ri(im.height(), im.width(), im.format());
+	QPainter p(&ri);
+	p.rotate(90);
+	p.drawImage(0, -im.height(), im);
+	p.end();
+	return ri;
+}
+
+
+QImage rotateQImageRight(const QImage & im) {
+	QImage ri(im.height(), im.width(), im.format());
+	QPainter p(&ri);
+	p.rotate(-90);
+	p.drawImage(-im.width(), 0, im);
+	p.end();
+	return ri;
+}
+
+
+
+bool GLCubeTexture::create() {
+	//qDebug("create");
+	destroy();
+	glGenTextures(1, &id_);
+	glBindTexture(GL_TEXTURE_CUBE_MAP, id_);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_LINEAR/*_MIPMAP_LINEAR*/);
+	glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+	//glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_GENERATE_MIPMAP_SGIS, GL_TRUE);
+	//glClearError();
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	glTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, 0, format_, size, size, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
+	//qDebug() << glGetError();
+	changed_ = false;
+	return id_ > 0;
+}
+
+
+void GLCubeTexture::load() {
+	if (isEmpty()) return;
+	create();
+	if (!path(0).isEmpty()) loadFront(path(0));
+	if (!path(1).isEmpty()) loadBack(path(1));
+	if (!path(2).isEmpty()) loadLeft(path(2));
+	if (!path(3).isEmpty()) loadRight(path(3));
+	if (!path(4).isEmpty()) loadTop(path(4));
+	if (!path(5).isEmpty()) loadBottom(path(5));
+}
+
+
+void GLCubeTexture::loadFromDirectory(const QString & dir) {
+	QDir d(dir); QFileInfoList sl;
+	sl = d.entryInfoList(QStringList("front.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadFront(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("back.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadBack(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("left.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadLeft(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("right.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadRight(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("top.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadTop(sl[0].absoluteFilePath());
+	sl = d.entryInfoList(QStringList("bottom.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) loadBottom(sl[0].absoluteFilePath());
+}
+
+
+void GLCubeTexture::loadPathesFromDirectory(const QString & dir) {
+	QDir d(dir); QFileInfoList sl;
+	sl = d.entryInfoList(QStringList("front.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[0] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("back.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[1] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("left.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[2] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("right.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[3] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("top.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[4] = sl[0].absoluteFilePath();
+	sl = d.entryInfoList(QStringList("bottom.*"), QDir::Files | QDir::NoDotAndDotDot); if (!sl.isEmpty()) pathes[5] = sl[0].absoluteFilePath();
+}
+
+
+
+GLuint GLTextureManagerBase::loadTexture(const QString & path, bool ownership) {
+	int tid = ((GLTextureManagerBase*)currentGLTextureManager)->textureID(path);
+	if (tid > 0) {
+		//qDebug() << "[TextureManager] Found" << path << "as" << tid;
+		return tid;
+	}
+	tid = currentQGLView->bindTexture(QImage(path), GL_TEXTURE_2D/*, GL_RGBA, QGLContext::MipmapBindOption*/);
+	if (tid == 0) {
+		qDebug() << "[TextureManager] Can`t load" << path;
+		return tid;
+	}
+	qDebug() << "[TextureManager] Loaded" << path << "as" << tid;
+	if (ownership) ((GLTextureManagerBase*)currentGLTextureManager)->tex_ids.insert(path, tid);
+	/*GLenum err(0);
+	im = currentQGLView->convertToGLFormat(im);
+	glClearError();
+	glGenTextures(1, &tid);
+	err = glGetError();
+	if (err != GL_NO_ERROR) {
+		qDebug() << "can`t generate texture," << err;
+		return false;
+	}
+	//glHint(GL_GENERATE_MIPMAP_HINT, GL_NICEST);
+	glClearError();
+	glBindTexture(GL_TEXTURE_2D, tid);
+	qDebug() << "load" << im.width() << "x" << im.height();
+	glClearError();
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, im.width(), im.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, im.bits());
+	//glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+	//glBindTexture(GL_TEXTURE_2D, 0);
+	err = glGetError();
+	if (err != GL_NO_ERROR) {
+		glDeleteTextures(1, &tid);
+		qDebug() << "can`t load" << path << "," << err;
+		return false;
+	}
+	currentGLTextureManager->tex_ids << tid;
+	qDebug() << "loaded" << path << "as" << tid;*/
+	return tid;
+}
+
+
+GLuint GLTextureManagerBase::loadTexture(const QImage & image, bool ownership) {
+	GLuint tid = currentQGLView->bindTexture(image);
+	if (tid == 0) {
+		qDebug() << "[TextureManager] Can`t load image";
+		return tid;
+	}
+	//qDebug() << "[TextureManager] Loaded image as" << tid;
+	if (ownership) ((GLTextureManagerBase*)currentGLTextureManager)->tex_ids.insert(QString(), tid);
+	return tid;
+}
+
+
+void Camera::anglesFromPoints() {
+	QVector3D dv = aim_ - pos_, tv;
+	tv = QVector3D(dv.x(), dv.y(), 0.);
+	angle_z = atan2(tv.x(), tv.y()) * rad2deg;
+	angle_xy = piClamp<GLdouble>(atan2(tv.length(), dv.z()) * rad2deg + 180., angle_limit_lower_xy, angle_limit_upper_xy);
+}
+
+
+void Camera::apply(const GLdouble & aspect) {
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	if (aspect <= 1.)
+		glScaled(aspect, aspect, 1.);
+	gluPerspective(fov_, aspect, depth_start, depth_end);
+	glMatrixMode(GL_MODELVIEW);
+	glLoadIdentity();
+	glTranslated(0., 0., -distance());
+	glRotated(angle_xy, 1., 0., 0.);
+	glRotated(angle_roll, 0., -1., 0.);
+	glRotated(angle_z, 0., 0., 1.);
+	//glTranslated(pos_.x(), pos_.y(), pos_.z());
+	//if (mirror_y) glScalef(1,-1,-1);
+	//if (mirror_x) glScalef(-1,1,-1);
+	//glScalef(-1,-1,1);
+	glTranslated(-aim_.x(), -aim_.y(), -aim_.z());
+	glGetIntegerv(GL_VIEWPORT, viewport);
+	glGetDoublev(GL_PROJECTION_MATRIX, projection);
+	glGetDoublev(GL_MODELVIEW_MATRIX, modelview);
+	//qDebug() << "viewport" << viewport[0] << viewport[1] << viewport[2] << viewport[3];
+}
+
+
+void Camera::panZ(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = QVector2D(dv.x(), dv.y()).length();
+	angle_z += a;
+	dv = QVector3D(sin(angle_z * deg2rad) * tl, cos(angle_z * deg2rad) * tl, dv.z());
+	aim_ = pos_ + dv;
+}
+
+
+void Camera::panXY(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length(), tc;
+	angle_xy += a;
+	angle_xy = piClamp<GLdouble>(angle_xy, angle_limit_lower_xy, angle_limit_upper_xy);
+	tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	aim_ = pos_ + dv;
+}
+
+
+void Camera::rotateZ(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = QVector2D(dv.x(), dv.y()).length();
+	angle_z += a;
+	dv = QVector3D(sin(angle_z * deg2rad) * tl, cos(angle_z * deg2rad) * tl, dv.z());
+	aim_ = pos_ + dv;
+}
+
+
+void Camera::rotateXY(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length(), tc;
+	angle_xy += a;
+	angle_xy = piClamp<GLdouble>(angle_xy, angle_limit_lower_xy, angle_limit_upper_xy);
+	tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	aim_ = pos_ + dv;
+}
+
+
+void Camera::orbitZ(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = QVector2D(dv.x(), dv.y()).length();
+	angle_z += a;
+	dv = QVector3D(sin(angle_z * deg2rad) * tl, cos(angle_z * deg2rad) * tl, dv.z());
+	pos_ = aim_ - dv;
+}
+
+
+void Camera::orbitXY(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length(), tc;
+	angle_xy += a;
+	angle_xy = piClamp<GLdouble>(angle_xy, angle_limit_lower_xy, angle_limit_upper_xy);
+	tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	pos_ = aim_ - dv;
+}
+
+
+void Camera::setAngleZ(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = QVector2D(dv.x(), dv.y()).length();
+	angle_z = a;
+	dv = QVector3D(sin(angle_z * deg2rad) * tl, cos(angle_z * deg2rad) * tl, dv.z());
+	aim_ = pos_ + dv;
+}
+
+
+void Camera::setAngleXY(const double & a) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length(), tc;
+	angle_xy = a;
+	tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	//pos_ = aim_ - dv;
+	aim_ = pos_ + dv;
+	//anglesFromPoints();
+}
+
+
+void Camera::moveForward(const double & x, bool withZ) {
+	QVector3D dv;// = aim_ - pos_;
+	double tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tc, cos(angle_z * deg2rad) * tc, 0.);
+	if (withZ) dv.setZ(-cos(angle_xy * deg2rad));
+	dv.normalize();
+	dv *= x;
+	pos_ += dv;
+	aim_ += dv;
+}
+
+
+void Camera::moveLeft(const double & x, bool withZ) {
+	QVector3D dv;// = aim_ - pos_;
+	double tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad - M_PI_2) * tc, cos(angle_z * deg2rad - M_PI_2) * tc, 0.);
+	if (withZ) dv.setZ(-sin(angle_roll * deg2rad));
+	dv.normalize();
+	dv *= x;
+	pos_ += dv;
+	aim_ += dv;
+}
+
+
+void Camera::moveUp(const double & x, bool onlyZ) {
+	QVector3D dv;
+	if (onlyZ)
+		dv = QVector3D(0., 0., x);
+	else {
+		double tc = cos(angle_xy * deg2rad);
+		dv = QVector3D(sin(angle_z * deg2rad) * tc, cos(angle_z * deg2rad) * tc, -sin(angle_xy * deg2rad));
+		dv.normalize();
+		dv *= x;
+	}
+	pos_ += dv;
+	aim_ += dv;
+}
+
+
+void Camera::flyCloser(const double & s) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length() / (1. + s), tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	pos_ = aim_ - dv;
+}
+
+
+void Camera::flyFarer(const double & s) {
+	QVector3D dv = aim_ - pos_;
+	double tl = dv.length() * (1. + s), tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * tl * tc, cos(angle_z * deg2rad) * tl * tc, -cos(angle_xy * deg2rad) * tl);
+	pos_ = aim_ - dv;
+}
+
+
+void Camera::flyToDistance(const double & d) {
+	QVector3D dv = aim_ - pos_;
+	double tc = -sin(angle_xy * deg2rad);
+	dv = QVector3D(sin(angle_z * deg2rad) * d * tc, cos(angle_z * deg2rad) * d * tc, -cos(angle_xy * deg2rad) * d);
+	pos_ = aim_ - dv;
+}
+
+
+QVector3D Camera::pointFromViewport(int x_, int y_, double z_) {
+	GLsizei mx = x_, my = viewport[3] - y_, mz = z_;
+	GLdouble x,y,z;
+	gluUnProject(mx, my, mz, modelview, projection, viewport, &x, &y, &z);
+	return QVector3D(x,y,z);
+}
+
+
+
+Material::Material(): reflection(512) {
+	color_diffuse = color_specular = Qt::white;
+	color_self_illumination = Qt::black;
+	glass = false;
+	transparency = reflectivity = 0.f;
+	bump_scale = relief_scale = iof = 1.f;
+	dispersion = 0.05f;
+	shine = shine_strength = 0.f;
+	light_model = Phong;
+}
+
+
+void Material::apply() {
+	GLfloat mat_diffuse[4] = {1.0f, 1.0f, 1.0f, 1.0f};
+	GLfloat mat_specular[4] = {0.9f, 0.9f, 0.9f, 1.0f};
+	GLfloat mat_emission[4] = {0.f, 0.f, 0.f, 1.0f};
+	mat_diffuse[0] = color_diffuse.redF();
+	mat_diffuse[1] = color_diffuse.greenF();
+	mat_diffuse[2] = color_diffuse.blueF();
+	mat_diffuse[3] = color_diffuse.alphaF() * (1.f - transparency);
+	mat_specular[0] = shine_strength * color_specular.redF();
+	mat_specular[1] = shine_strength * color_specular.greenF();
+	mat_specular[2] = shine_strength * color_specular.blueF();
+	mat_emission[0] = color_self_illumination.redF();
+	mat_emission[1] = color_self_illumination.greenF();
+	mat_emission[2] = color_self_illumination.blueF();
+	glColor4f(mat_diffuse[0], mat_diffuse[1], mat_diffuse[2], mat_diffuse[3]);
+	//qDebug() << color_diffuse.alphaF() * (1.f - transparency);
+	glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+	glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+	glMaterialf(GL_FRONT, GL_SHININESS, shine);
+	glMaterialfv(GL_FRONT, GL_EMISSION, mat_emission);
+	glMaterialfv(GL_FRONT, GL_AMBIENT, mat_diffuse);
+}
+
+
+void Material::loadTextures(GLTextureManagerBase * tm) {
+	if (tm == 0) tm = (GLTextureManagerBase*)currentGLTextureManager;
+	if (!diffuse.bitmap_path.isEmpty()) diffuse.bitmap_id = tm->loadTexture(diffuse.bitmap_path);
+	if (!bump.bitmap_path.isEmpty()) bump.bitmap_id = tm->loadTexture(bump.bitmap_path);
+	if (!relief.bitmap_path.isEmpty()) relief.bitmap_id = tm->loadTexture(relief.bitmap_path);
+	if (!diffuse_2.bitmap_path.isEmpty()) diffuse_2.bitmap_id = tm->loadTexture(diffuse_2.bitmap_path);
+	//qDebug() << "load" << reflection.path(0);
+	reflection.load();
+}
+
+
+QColor colorFromString(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	double r, g, b;
+	r = s.left(i).toFloat(); s = s.right(s.length() - i - 1); i = s.indexOf("\t");
+	g = s.left(i).toFloat(); s = s.right(s.length() - i - 1);
+	b = s.toFloat();
+	return QColor(r * 255., g * 255., b * 255.);
+}
+
+
+QVector3D orthToVector(const QVector3D & v, const double & scale) {
+	if (v.isNull()) return QVector3D();
+	QVector3D rv, fn, sn;
+	if (v.x() != 0) rv.setZ(1.);
+	else if (v.y() != 0) rv.setX(1.);
+	else rv.setY(1.);
+	fn = QVector3D::crossProduct(v, rv).normalized();
+	sn = QVector3D::crossProduct(v, fn).normalized();
+	return fn * urand(scale) + sn * urand(scale);
+}
+
+
+QVector3D rotateVector(const QVector3D & v, const QVector3D & a) {
+	QMatrix4x4 m;
+	m.rotate(a.z(), 0., 0., 1.);
+	m.rotate(a.y(), 0., 1., 0.);
+	m.rotate(a.x(), 1., 0., 0.);
+	return m * v;
+}
+
+
+void setVectorLength(QVector3D & v, const double & l) {
+	double vl = v.length();
+	if (vl == 0.) return;
+	double c = l / vl;
+	v *= c;
+}
+
+
+void lengthenVector(QVector3D & v, const double & l) {
+	double vl = v.length();
+	if (l == 0. || vl == 0.) return;
+	double c = 1. + l / vl;
+	v *= c;
+}
+
+
+Vector3d::Vector3d(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	x = s.left(i).toFloat(); s = s.right(s.length() - i - 1); i = s.indexOf("\t");
+	y = s.left(i).toFloat(); s = s.right(s.length() - i - 1);
+	z = s.toFloat();
+}
+
+
+Vector3i::Vector3i(const QString & str) {
+	QString s = str.trimmed();
+	int i = s.indexOf("\t");
+	p0 = s.left(i).toInt(); s = s.right(s.length() - i - 1); i = s.indexOf("\t");
+	p1 = s.left(i).toInt(); s = s.right(s.length() - i - 1);
+	p2 = s.toInt();
+}
+
+
+
+void GLRendererBase::setupLight(const Light & l, int inpass_index, int gl_index) {
+	QVector3D lp = l.worldPos(), ld = (l.itransform_ * QVector4D(l.direction, 0.)).toVector3D().normalized();
+	GLfloat pos[] = {0.f, 0.f, 0.f, 0.f};
+	GLfloat dir[] = {0.f, 0.f, 0.f};
+	GLfloat col[] = {0.f, 0.f, 0.f};
+	pos[0] = l.light_type == Light::Directional ? -l.direction.x() : lp.x();
+	pos[1] = l.light_type == Light::Directional ? -l.direction.y() : lp.y();
+	pos[2] = l.light_type == Light::Directional ? -l.direction.z() : lp.z();
+	pos[3] = l.light_type == Light::Directional ? 0. : 1.;
+	dir[0] = ld.x();
+	dir[1] = ld.y();
+	dir[2] = ld.z();
+	col[0] = l.visible_ ? l.color().redF() * l.intensity : 0.;
+	col[1] = l.visible_ ? l.color().greenF() * l.intensity : 0.;
+	col[2] = l.visible_ ? l.color().blueF() * l.intensity : 0.;
+	glEnable(gl_index);
+	//glLightfv(gl_index, GL_AMBIENT, ambient);
+	glLightfv(gl_index, GL_DIFFUSE, col);
+	glLightfv(gl_index, GL_SPECULAR, col);
+	glLightfv(gl_index, GL_POSITION, pos);
+	glLightf(gl_index, GL_CONSTANT_ATTENUATION, l.decay_const);
+	glLightf(gl_index, GL_LINEAR_ATTENUATION, l.decay_linear);
+	glLightf(gl_index, GL_QUADRATIC_ATTENUATION, l.decay_quadratic);
+	if (l.light_type == Light::Cone) {
+		glLightfv(gl_index, GL_SPOT_DIRECTION, dir);
+		glLightf(gl_index, GL_SPOT_CUTOFF, l.angle_spread);
+		glLightf(gl_index, GL_SPOT_EXPONENT, l.angle_decay_exp);
+	} else {
+		glLightf(gl_index, GL_SPOT_CUTOFF, 180.);
+	}
+
+}
+
+
+void GLRendererBase::setupAmbientLight(const QColor & a, bool first_pass) {
+	GLfloat ambient[] = {0.0f, 0.0f, 0.0f, 1.f};
+	if (first_pass) {
+		ambient[0] = view.ambientColor_.redF();
+		ambient[1] = view.ambientColor_.greenF();
+		ambient[2] = view.ambientColor_.blueF();
+	}
+	glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
+}
+
+
+void GLRendererBase::setupShadersLights(int lights_count) {
+	/*foreach (QGLShaderProgram * i, view.shaders_ppl) {
+		i->bind();
+		i->setUniformValue("lightsCount", lights_count);
+		i->setUniformValue("acc_light", lights_count > 0);
+		//i->setUniformValue("mat", mvm);
+	}*/
+}
+
+
+void GLRendererBase::setupTextures(GLObjectBase & o, GLRendererBase::RenderingParameters & rp, bool first_object) {
+	if (first_object) {
+		glReleaseTextures();
+		return;
+	}
+	setupShadersTextures(o, rp);
+	Material & mat(o.material_);
+	if (rp.light) {
+		if (o.accept_light) {if (!rp.prev_light) {glSetLightEnabled(true); rp.prev_light = true;}}
+		else {if (rp.prev_light) {glSetLightEnabled(false); rp.prev_light = false;}}
+	}
+	if (rp.fog) {
+		if (o.accept_fog) {if (!rp.prev_fog) {glSetFogEnabled(true); rp.prev_fog = true;}}
+		else {if (rp.prev_fog) {glSetFogEnabled(false); rp.prev_fog = false;}}
+	}
+	if (rp.textures) {
+		if (rp.prev_tex[0] != mat.diffuse.bitmap_id) {
+			rp.prev_tex[0] = mat.diffuse.bitmap_id;
+			glActiveTextureChannel(0); glBindTexture(GL_TEXTURE_2D, mat.diffuse.bitmap_id);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, view.anisotropicLevel_);
+		}
+		if (rp.prev_tex[1] != mat.bump.bitmap_id) {
+			rp.prev_tex[1] = mat.bump.bitmap_id;
+			glActiveTextureChannel(1); glBindTexture(GL_TEXTURE_2D, mat.bump.bitmap_id);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, view.anisotropicLevel_);
+		}
+		if (rp.prev_tex[2] != mat.relief.bitmap_id) {
+			rp.prev_tex[2] = mat.relief.bitmap_id;
+			glActiveTextureChannel(2); glBindTexture(GL_TEXTURE_2D, mat.relief.bitmap_id);
+			glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, view.anisotropicLevel_);
+		}
+		glActiveTextureChannel(0);
+	}
+}
+
+
+void GLRendererBase::setupLights(int pass, int lights_per_pass) {
+	int light_start, light_end, lmax;
+	light_start = pass * lights_per_pass;
+	light_end = qMin<int>((pass + 1) * lights_per_pass, view.lights_.size());
+	setupAmbientLight(view.ambientColor_, pass == 0);
+	if (!view.lights_.isEmpty()) {
+		setupShadersLights(light_end - light_start);
+		for (int i = light_start; i < light_end; ++i)
+			setupLight(*view.lights_[i], i - light_start, GL_LIGHT0 + i - light_start);
+		lmax = light_start + 8;
+		for (int i = light_end; i < lmax; ++i)
+			glDisable(GL_LIGHT0 + i - light_start);
+	} else {
+		setupShadersLights(0);
+		for (int i = 0; i < 8; ++i)
+			glDisable(GL_LIGHT0 + i);
+	}
+}
+
+
+void GLRendererBase::applyFilteringParameters() {
+	if (view.linearFiltering_) {
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
+	} else {
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
+	}
+	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, view.anisotropicLevel_);
+}
+
+
+void GLRendererBase::renderObjects(int pass, int light_pass, void * shaders, bool textures, bool light, bool fog) {
+	RenderingParameters rp;
+	rp.pass = pass;
+	rp.light_pass = light_pass;
+	rp.shaders = shaders;
+	rp.textures = textures;
+	rp.light = rp.prev_light = light;
+	rp.fog = rp.prev_fog = fog;
+	for (int i = 0; i < 32; ++i) rp.prev_tex[i] = 0;
+	rp.prev_light_model = Material::Phong;
+	setupTextures(view.objects_, rp, true);
+	glSetLightEnabled(rp.prev_light);
+	glSetFogEnabled(rp.prev_fog);
+	glSetCapEnabled(GL_TEXTURE_2D, rp.textures);
+	glSetCapEnabled(GL_BLEND, pass == GLObjectBase::Transparent);
+	glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	glDisable(GL_TEXTURE_CUBE_MAP);
+	renderSingleObject(view.objects_, rp);
+}
+
+
+void GLRendererBase::renderSingleObject(GLObjectBase & o, RenderingParameters & rp) {
+	if (!o.isInit())
+		o.init();
+	if (!o.isTexturesLoaded())
+		o.loadTextures();
+	if (!o.visible_) return;
+	Material & mat(o.material_);
+	glPushMatrix();
+	if (o.pos_.x() != 0. || o.pos_.y() != 0. || o.pos_.z() != 0.) qglTranslate(o.pos_);
+	if (o.angles_.z() != 0.) glRotated(o.angles_.z(), 0., 0., 1.);
+	if (o.angles_.y() != 0.) glRotated(o.angles_.y(), 0., 1., 0.);
+	if (o.angles_.x() != 0.) glRotated(o.angles_.x(), 1., 0., 0.);
+	if (o.scale_.x() != 1. || o.scale_.y() != 1. || o.scale_.z() != 1.) qglScale(o.scale_);
+	if (rp.pass == o.pass_) {
+		setupTextures(o, rp, false);
+		mat.apply();
+		glSetPolygonMode(o.render_mode != GLObjectBase::View ? o.render_mode : (view.rmode != GLObjectBase::View ? view.rmode : GL_FILL));
+		glLineWidth(o.line_width > 0. ? o.line_width : view.lineWidth_);
+		glPointSize(o.line_width > 0. ? o.line_width : view.lineWidth_);
+		o.update();
+		if (o.pass_ == GLObjectBase::Transparent) {
+			glActiveTextureChannel(3);
+			if (mat.reflectivity > 0.) {
+				glEnable(GL_TEXTURE_CUBE_MAP);
+				if (!mat.reflection.isEmpty()) mat.reflection.bind();
+				else glDisable(GL_TEXTURE_CUBE_MAP);
+			} else glDisable(GL_TEXTURE_CUBE_MAP);
+			if (rp.light_pass > 0) glDisable(GL_TEXTURE_CUBE_MAP);
+			GLfloat gm[16], bc[4] = {mat.reflectivity, mat.reflectivity, mat.reflectivity, mat.reflectivity};
+			glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
+			glTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_INTERPOLATE);
+			glTexEnvi(GL_TEXTURE_ENV, GL_SRC2_RGB, GL_CONSTANT);
+			glTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB, GL_SRC_COLOR);
+			glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, bc);
+			glGetFloatv(GL_MODELVIEW_MATRIX, gm);
+			glMatrixMode(GL_TEXTURE);
+			glLoadTransposeMatrixf(gm);
+			glScalef(-1., -1., -1.);
+			glMatrixMode(GL_MODELVIEW);
+			glActiveTextureChannel(0);
+		}
+		o.draw();
+	}
+	foreach (GLObjectBase * i, o.children_)
+		renderSingleObject(*i, rp);
+	glPopMatrix();
+}