FHWS/YASMIN
Archived
3
0
Fork 0
Code Issues 12 Pull Requests Releases Wiki Activity

openGL work and other parts

Browse Source
This commit is contained in:
FrankE
2016-09-11 12:11:54 +02:00
parent 69dfbe6693
commit d910e88220
43 changed files with 4813 additions and 261 deletions
Download Patch File Download Diff File Expand all files Collapse all files

222
map/FloorRenderer.h Normal file
View File

@@ -0,0 +1,222 @@
#ifndef FLOORRENDERER_H
#define FLOORRENDERER_H
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
#include <Indoor/floorplan/v2/Floorplan.h>
#include "GL.h"
class FloorRenderer : protected QOpenGLFunctions {
private:
Floorplan::Floor* floor;
QOpenGLBuffer arrayBuf;
QOpenGLBuffer indexBuf;
QOpenGLTexture* texture = nullptr;
std::vector<VertNormTex> vertices;
std::vector<GLushort> indices;
public:
/** ctor */
FloorRenderer(Floorplan::Floor* floor) : floor(floor), arrayBuf(QOpenGLBuffer::VertexBuffer), indexBuf(QOpenGLBuffer::IndexBuffer) {
;
}
/** dctor */
~FloorRenderer() {
arrayBuf.destroy();
indexBuf.destroy();
delete texture;
}
/** render the floor */
void render(QOpenGLShaderProgram *program) {
// Tell OpenGL which VBOs to use
arrayBuf.bind();
indexBuf.bind();
texture->bind();
// vertices
int vertLoc = program->attributeLocation("a_position");
program->enableAttributeArray(vertLoc);
program->setAttributeBuffer(vertLoc, GL_FLOAT, vertices[0].getVertOffset(), 3, sizeof(vertices[0]));
// Tell OpenGL programmable pipeline how to locate vertex texture coordinate data
int normLoc = program->attributeLocation("a_normal");
program->enableAttributeArray(normLoc);
program->setAttributeBuffer(normLoc, GL_FLOAT, vertices[0].getNormOffset(), 3, sizeof(vertices[0]));
int texcoordLocation = program->attributeLocation("a_texcoord");
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, vertices[0].getTexOffset(), 2, sizeof(vertices[0]));
// texture
program->setUniformValue("texture", 0);
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_QUADS, indices.size(), GL_UNSIGNED_SHORT, 0);
}
void initGL() {
initializeOpenGLFunctions();
build();
}
private:
void build() {
QImage img(":/res/gl/tex/wall1.jpg");
texture = new QOpenGLTexture(img);
texture->setMinificationFilter(QOpenGLTexture::Nearest);
texture->setMagnificationFilter(QOpenGLTexture::Linear);
texture->setWrapMode(QOpenGLTexture::Repeat);
// build array of vertices and indices
for (Floorplan::FloorObstacle* obstacle : floor->obstacles) {
add(floor, obstacle, vertices, indices);
}
// Transfer vertex data to VBO 0
arrayBuf.create();
arrayBuf.bind();
arrayBuf.allocate(vertices.data(), vertices.size() * sizeof(vertices[0]));
// Transfer index data to VBO 1
indexBuf.create();
indexBuf.bind();
indexBuf.allocate(indices.data(), indices.size() * sizeof(indices[0]));
}
void add(Floorplan::Floor* floor, Floorplan::FloorObstacle* obstacle, std::vector<VertNormTex>& vertices, std::vector<GLushort>& indices) {
if (dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle)) {
Floorplan::FloorObstacleLine* line = dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle);
if (line->type != Floorplan::ObstacleType::WALL) {return;}
// QVector3D p1(line->from.x, floor->getStartingZ(), line->from.y);
// QVector3D p2(line->to.x, floor->getStartingZ(), line->to.y);
// QVector3D p3(line->to.x, floor->getEndingZ(), line->to.y);
// QVector3D p4(line->from.x, floor->getEndingZ(), line->from.y);
// addFace(p1,p2,p3,p4, vertices, indices);
addFace(line->from, line->to, floor->getStartingZ(), floor->getEndingZ(), vertices, indices);
addFace(line->to, line->from, floor->getStartingZ(), floor->getEndingZ(), vertices, indices);
}
}
void addFace(const Point2 from, const Point2 to, const float h1, const float h2, std::vector<VertNormTex>& vertices, std::vector<GLushort>& indices) {
// unit-face with unit normal (facing the camera)
QVector3D p1(-0.5, -0.0, 0);
QVector3D p2(+0.5, -0.0, 0);
QVector3D p3(+0.5, +1.0, 0);
QVector3D p4(-0.5, +1.0, 0);
QVector3D norm(0, 0, 1);
// how to scale the unit-face to match the wall
const float h = h2-h1;
const float s = from.getDistance(to);
QMatrix4x4 scale; scale.scale(s, h, 1);
// how to rotate the unit-face to match the wall
const float angle = std::atan2(to.y - from.y, to.x - from.x);
const float deg = angle * 180 / M_PI;
QMatrix4x4 rot; rot.rotate(deg, QVector3D(0,1,0));
// how to translate the unit-face to match the wall
const Point2 center = (from + to) / 2;
QMatrix4x4 move; move.translate(center.x, h1, center.y);
// final matrix
QMatrix4x4 mat = move * rot * scale;
// texture coordinates (scale only)
const QVector2D tex1 = (scale * p1).toVector2D() / 5;
const QVector2D tex2 = (scale * p2).toVector2D() / 5;
const QVector2D tex3 = (scale * p3).toVector2D() / 5;
const QVector2D tex4 = (scale * p4).toVector2D() / 5;
// modify vertices
p1 = mat * p1;
p2 = mat * p2;
p3 = mat * p3;
p4 = mat * p4;
norm = (rot * norm).normalized();
const int start = vertices.size();
vertices.push_back(VertNormTex(p1, norm, tex1));
vertices.push_back(VertNormTex(p2, norm, tex2));
vertices.push_back(VertNormTex(p3, norm, tex3));
vertices.push_back(VertNormTex(p4, norm, tex4));
indices.push_back(start+0);
indices.push_back(start+1);
indices.push_back(start+2);
indices.push_back(start+3);
}
// void addFace(QVector3D p1, QVector3D p2, QVector3D p3, QVector3D p4, std::vector<VertNorm>& vertices, std::vector<GLushort>& indices) {
// const float s = 50;
// // ensure camera facing (for culling)
// if (p1.x() != p2.x()) {
// if (p1.x() > p2.x()) {std::swap(p1, p2), std::swap(p3, p4);}
// } else {
// if (p1.z() > p2.z()) {std::swap(p1, p2), std::swap(p3, p4);}
// }
// // corresponding normal vector
// QVector3D norm = QVector3D::crossProduct((p2-p1), (p3-p1)).normalized();
// // orient towards the viewport
// const QVector3D view(-99,-99,-99);
// if ((view-norm).length() > (view+norm).length()) {norm = -norm;}
// const int start = vertices.size();
// indices.push_back(start+0);
// indices.push_back(start+1);
// indices.push_back(start+2);
// indices.push_back(start+3);
// vertices.push_back(VertNorm(p1/s, norm));
// vertices.push_back(VertNorm(p2/s, norm));
// vertices.push_back(VertNorm(p3/s, norm));
// vertices.push_back(VertNorm(p4/s, norm));
// // and the other side (clockwise, negated normal)
// indices.push_back(start+0);
// indices.push_back(start+3);
// indices.push_back(start+2);
// indices.push_back(start+1);
// vertices.push_back(VertNorm(p1/s, -norm));
// vertices.push_back(VertNorm(p2/s, -norm));
// vertices.push_back(VertNorm(p3/s, -norm));
// vertices.push_back(VertNorm(p4/s, -norm));
// }
};
#endif // FLOORRENDERER_H

124
map/Geometry.cpp
View File

@@ -1,124 +0,0 @@
#include "Geometry.h"
#include <QVector2D>
#include <QVector3D>
struct VertexData
{
QVector3D position;
QVector2D texCoord;
};
Geometry::Geometry() : indexBuf(QOpenGLBuffer::IndexBuffer) {
initializeOpenGLFunctions();
// Generate 2 VBOs
arrayBuf.create();
indexBuf.create();
// Initializes cube geometry and transfers it to VBOs
initCubeGeometry();
}
Geometry::~Geometry() {
arrayBuf.destroy();
indexBuf.destroy();
}
void Geometry::initCubeGeometry() {
// For cube we would need only 8 vertices but we have to
// duplicate vertex for each face because texture coordinate
// is different.
VertexData vertices[] = {
// Vertex data for face 0
{QVector3D(-1.0f, -1.0f, 1.0f), QVector2D(0.0f, 0.0f)}, // v0
{QVector3D( 1.0f, -1.0f, 1.0f), QVector2D(0.33f, 0.0f)}, // v1
{QVector3D(-1.0f, 1.0f, 1.0f), QVector2D(0.0f, 0.5f)}, // v2
{QVector3D( 1.0f, 1.0f, 1.0f), QVector2D(0.33f, 0.5f)}, // v3
// Vertex data for face 1
{QVector3D( 1.0f, -1.0f, 1.0f), QVector2D( 0.0f, 0.5f)}, // v4
{QVector3D( 1.0f, -1.0f, -1.0f), QVector2D(0.33f, 0.5f)}, // v5
{QVector3D( 1.0f, 1.0f, 1.0f), QVector2D(0.0f, 1.0f)}, // v6
{QVector3D( 1.0f, 1.0f, -1.0f), QVector2D(0.33f, 1.0f)}, // v7
// Vertex data for face 2
{QVector3D( 1.0f, -1.0f, -1.0f), QVector2D(0.66f, 0.5f)}, // v8
{QVector3D(-1.0f, -1.0f, -1.0f), QVector2D(1.0f, 0.5f)}, // v9
{QVector3D( 1.0f, 1.0f, -1.0f), QVector2D(0.66f, 1.0f)}, // v10
{QVector3D(-1.0f, 1.0f, -1.0f), QVector2D(1.0f, 1.0f)}, // v11
// Vertex data for face 3
{QVector3D(-1.0f, -1.0f, -1.0f), QVector2D(0.66f, 0.0f)}, // v12
{QVector3D(-1.0f, -1.0f, 1.0f), QVector2D(1.0f, 0.0f)}, // v13
{QVector3D(-1.0f, 1.0f, -1.0f), QVector2D(0.66f, 0.5f)}, // v14
{QVector3D(-1.0f, 1.0f, 1.0f), QVector2D(1.0f, 0.5f)}, // v15
// Vertex data for face 4
{QVector3D(-1.0f, -1.0f, -1.0f), QVector2D(0.33f, 0.0f)}, // v16
{QVector3D( 1.0f, -1.0f, -1.0f), QVector2D(0.66f, 0.0f)}, // v17
{QVector3D(-1.0f, -1.0f, 1.0f), QVector2D(0.33f, 0.5f)}, // v18
{QVector3D( 1.0f, -1.0f, 1.0f), QVector2D(0.66f, 0.5f)}, // v19
// Vertex data for face 5
{QVector3D(-1.0f, 1.0f, 1.0f), QVector2D(0.33f, 0.5f)}, // v20
{QVector3D( 1.0f, 1.0f, 1.0f), QVector2D(0.66f, 0.5f)}, // v21
{QVector3D(-1.0f, 1.0f, -1.0f), QVector2D(0.33f, 1.0f)}, // v22
{QVector3D( 1.0f, 1.0f, -1.0f), QVector2D(0.66f, 1.0f)} // v23
};
// Indices for drawing cube faces using triangle strips.
// Triangle strips can be connected by duplicating indices
// between the strips. If connecting strips have opposite
// vertex order then last index of the first strip and first
// index of the second strip needs to be duplicated. If
// connecting strips have same vertex order then only last
// index of the first strip needs to be duplicated.
GLushort indices[] = {
0, 1, 2, 3, 3, // Face 0 - triangle strip ( v0, v1, v2, v3)
4, 4, 5, 6, 7, 7, // Face 1 - triangle strip ( v4, v5, v6, v7)
8, 8, 9, 10, 11, 11, // Face 2 - triangle strip ( v8, v9, v10, v11)
12, 12, 13, 14, 15, 15, // Face 3 - triangle strip (v12, v13, v14, v15)
16, 16, 17, 18, 19, 19, // Face 4 - triangle strip (v16, v17, v18, v19)
20, 20, 21, 22, 23 // Face 5 - triangle strip (v20, v21, v22, v23)
};
// Transfer vertex data to VBO 0
arrayBuf.bind();
arrayBuf.allocate(vertices, 24 * sizeof(VertexData));
// Transfer index data to VBO 1
indexBuf.bind();
indexBuf.allocate(indices, 34 * sizeof(GLushort));
}
void Geometry::drawCubeGeometry(QOpenGLShaderProgram *program) {
// Tell OpenGL which VBOs to use
arrayBuf.bind();
indexBuf.bind();
// Offset for position
quintptr offset = 0;
// Tell OpenGL programmable pipeline how to locate vertex position data
int vertexLocation = program->attributeLocation("a_position");
program->enableAttributeArray(vertexLocation);
program->setAttributeBuffer(vertexLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
// Offset for texture coordinate
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate vertex texture coordinate data
int texcoordLocation = program->attributeLocation("a_texcoord");
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLE_STRIP, 34, GL_UNSIGNED_SHORT, 0);
}

23
map/Geometry.h
View File

@@ -1,23 +0,0 @@
#ifndef GEOMETRY_H
#define GEOMETRY_H
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
class Geometry : protected QOpenGLFunctions
{
public:
Geometry();
virtual ~Geometry();
void drawCubeGeometry(QOpenGLShaderProgram *program);
private:
void initCubeGeometry();
QOpenGLBuffer arrayBuf;
QOpenGLBuffer indexBuf;
};
#endif // GEOMETRY_H

155
map/MapView.cpp
View File

@@ -1,7 +1,13 @@
#include "MapView.h"
#include <QGLShaderProgram>
#include "Geometry.h"
#include "elements/Walls.h"
#include "elements/Ground.h"
#include "elements/Handrails.h"
#include "elements/Stairs.h"
#include "elements/Doors.h"
#include "elements/Path.h"
// http://doc.qt.io/qt-5/qtopengl-cube-example.html
@@ -10,31 +16,42 @@ MapView::MapView(QWidget* parent) : QOpenGLWidget(parent) {
};
void MapView::setMap(Floorplan::IndoorMap* map) {
for (Floorplan::Floor* floor : map->floors) {
elements.push_back(new Ground(floor));
elements.push_back(new Walls(floor));
elements.push_back(new Handrails(floor));
elements.push_back(new Stairs(floor));
elements.push_back(new Doors(floor));
}
this->path = new Path();
elements.push_back(this->path);
}
void MapView::setPath(const std::vector<Point3>& path) {
this->path->set(path);
}
void MapView::timerEvent(QTimerEvent *) {
update();
}
void MapView::initializeGL() {
//qglClearColor(Qt::black);
//glEnable(GL_DEPTH_TEST);
//glEnable(GL_CULL_FACE);
//glShadeModel(GL_SMOOTH);
//glEnable(GL_LIGHTING);
//glEnable(GL_LIGHT0);
//static GLfloat lightPosition[4] = { 0, 0, 10, 1.0 };
//glLightfv(GL_LIGHT0, GL_POSITION, lightPosition);
initializeOpenGLFunctions();
geo = new Geometry();
glEnable(GL_DEPTH_TEST);
glEnable(GL_CULL_FACE);
if (!program.addShaderFromSourceFile(QOpenGLShader::Vertex, ":/res/gl/vertex1.glsl")) {throw "1";}
if (!program.addShaderFromSourceFile(QOpenGLShader::Fragment, ":/res/gl/fragment1.glsl")) {throw "2";}
if (!program.link()) {throw "3";}
if (!program.bind()) {throw "4";}
for (Renderable* r : elements) {
r->initGL();
}
timer.start(60, this);
@@ -42,11 +59,6 @@ void MapView::initializeGL() {
void MapView::paintGL() {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glLoadIdentity();
//glTranslatef(0.0, 0.0, -10.0);
//glRotatef(20 / 16.0, 1.0, 0.0, 0.0);
//glRotatef(30 / 16.0, 0.0, 1.0, 0.0);
//glRotatef(60 / 16.0, 0.0, 0.0, 1.0);
draw();
}
@@ -55,75 +67,66 @@ void MapView::resizeGL(int w, int h) {
// Calculate aspect ratio
qreal aspect = qreal(w) / qreal(h ? h : 1);
// Set near plane to 3.0, far plane to 7.0, field of view 45 degrees
const qreal zNear = 3.0, zFar = 7.0, fov = 45.0;
// viewing frustrum [0:50] meter
const qreal zNear = 0.02, zFar = 50, fov = 50.0;
// Reset projection
projection.setToIdentity();
matProject.setToIdentity();
matProject.scale(-1, 1, 1);
glCullFace(GL_FRONT);
//matProject.scale(0.05, 0.05, 0.05);
matProject.perspective(fov, aspect, zNear, zFar);
//matProject.scale(-0.01, 0.01, 0.01);
// Set perspective projection
projection.perspective(fov, aspect, zNear, zFar);
}
void MapView::setLookAt(const Point3 pos_m, const Point3 dir) {
QVector3D qDir(dir.x, dir.z, dir.y);
QVector3D lookAt = QVector3D(pos_m.x, pos_m.z, pos_m.y);
QVector3D eye = lookAt + qDir * 0.1;
QVector3D up = QVector3D(0,1,0);
matView.setToIdentity();
//matView.scale(0.01, 0.01, 0.01);
matView.lookAt(eye, lookAt, up);
//matView.scale(0.99, 1, 1);
//matView.translate(0.7, 0, 0);
lightPos = eye + QVector3D(0.0, 4.0, 0.0);
eyePos = eye;
}
void MapView::draw() {
// clear everything
glClearColor(0,0,0,1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
static float angularSpeed = 0;
angularSpeed += 0.5;
//static float angularSpeed = 0;
//angularSpeed += 1.5;
// Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//texture->bind();
//QVector3D rotationAxis(1,1,1);
//QQuaternion rotation = QQuaternion::fromAxisAndAngle(rotationAxis, angularSpeed);
//texture->bind();
QVector3D rotationAxis(1,1,1);
QQuaternion rotation = QQuaternion::fromAxisAndAngle(rotationAxis, angularSpeed);
// Calculate model view transformation
QMatrix4x4 matModel;
//matModel.setToIdentity();
//matModel.translate(0.0, 0.0, 0.0);
//matModel.rotate(rotation);
// Calculate model view transformation
QMatrix4x4 matrix;
matrix.translate(0.0, 0.0, -5.0);
matrix.rotate(rotation);
for (Renderable* r : elements) {
// Set modelview-projection matrix
program.setUniformValue("mvp_matrix", projection * matrix);
QOpenGLShaderProgram& program = r->getProgram();
program.bind();
// Use texture unit 0 which contains cube.png
program.setUniformValue("texture", 0);
// set the matrices
program.setUniformValue("m_matrix", matModel);
program.setUniformValue("mv_matrix", matView * matModel);
program.setUniformValue("mvp_matrix", matProject * matView * matModel);
program.setUniformValue("lightWorldPos", lightPos);
program.setUniformValue("eyeWorldPos", eyePos);
// Draw cube geometry
geo->drawCubeGeometry(&program);
r->render();
//qglColor(Qt::red);
/*glBegin(GL_QUADS);
glNormal3f(0,0,-1);
glVertex3f(-1,-1,0);
glVertex3f(-1,1,0);
glVertex3f(1,1,0);
glVertex3f(1,-1,0);
}
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(0,-1,0.707);
glVertex3f(-1,-1,0);
glVertex3f(1,-1,0);
glVertex3f(0,0,1.2);
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(1,0, 0.707);
glVertex3f(1,-1,0);
glVertex3f(1,1,0);
glVertex3f(0,0,1.2);
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(0,1,0.707);
glVertex3f(1,1,0);
glVertex3f(-1,1,0);
glVertex3f(0,0,1.2);
glEnd();
glBegin(GL_TRIANGLES);
glNormal3f(-1,0,0.707);
glVertex3f(-1,1,0);
glVertex3f(-1,-1,0);
glVertex3f(0,0,1.2);
glEnd();*/
}

43
map/MapView.h
View File

@@ -6,22 +6,57 @@
#include <QOpenGLShaderProgram>
#include <QBasicTimer>
class Geometry;
#include <Indoor/geo/Point3.h>
#include <Indoor/nav/dijkstra/DijkstraPath.h>
#include "elements/Path.h"
namespace Floorplan {
class IndoorMap;
}
class Renderable;
class Path;
class MapView : public QOpenGLWidget, protected QOpenGLFunctions {
private:
QMatrix4x4 projection;
QOpenGLShaderProgram program;
Geometry* geo;
QMatrix4x4 matProject;
QMatrix4x4 matView;
QVector3D lightPos;
QVector3D eyePos;
QBasicTimer timer;
std::vector<Renderable*> elements;
Path* path;
public:
MapView(QWidget* parent = 0);
/** set the map to display */
void setMap(Floorplan::IndoorMap* map);
/** the position to look at */
void setLookAt(const Point3 pos, const Point3 dir = Point3(-1, -1, 0.1));
/** set the path to disply */
void setPath(const std::vector<Point3>& path);
/** set the path to disply */
template <typename Node> void setPath(const DijkstraPath<Node>& path) {
this->path->set(path);
}
protected:
void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE;

40
map/Renderable.h Normal file
View File

@@ -0,0 +1,40 @@
#ifndef RENDERABLE_H
#define RENDERABLE_H
#include <QOpenGLShaderProgram>
class Renderable {
protected:
QOpenGLShaderProgram program;
public:
/** get the renderable's shader */
QOpenGLShaderProgram& getProgram() {return program;}
/** render the renderable */
void render() {
program.bind();
_render();
}
virtual void initGL() = 0;
virtual void _render() = 0;
protected:
/** helper method to build the shader */
void loadShader(const QString& vertex, const QString& fragment) {
if (!program.addShaderFromSourceFile(QOpenGLShader::Vertex, vertex)) {throw "1";}
if (!program.addShaderFromSourceFile(QOpenGLShader::Fragment, fragment)) {throw "2";}
if (!program.link()) {throw "3";}
if (!program.bind()) {throw "4";}
}
};
#endif // RENDERABLE_H

101
map/elements/Doors.h Normal file
View File

@@ -0,0 +1,101 @@
#ifndef DOORS_H
#define DOORS_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include "../gl/GLHelper.h"
#include "../gl/GLTriangles.h"
#include "../Renderable.h"
class Doors : public Renderable {
private:
Floorplan::Floor* floor;
GLTriangles<VertNormTexTan> doors;
public:
/** ctor */
Doors(Floorplan::Floor* floor) : floor(floor) {
;
}
void initGL() override {
build();
doors.setDiffuse(":/res/gl/tex/door2.jpg");
doors.setNormalMap(":/res/gl/tex/door2_normal.jpg");
doors.build();
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentTex.glsl");
program.setUniformValue("texDiffuse", 0);
program.setUniformValue("texNormalMap", 1);
}
/** render the floor */
void _render() override {
doors.render(&program);
}
private:
void build() {
for (Floorplan::FloorObstacle* obstacle : floor->obstacles) {
if (dynamic_cast<Floorplan::FloorObstacleDoor*>(obstacle)) {
Floorplan::FloorObstacleDoor* door = dynamic_cast<Floorplan::FloorObstacleDoor*>(obstacle);
addFace(door->from, door->to, floor->getStartingZ(), floor->getStartingZ() + door->height, door->swap);
}
}
}
void addFace(const Point2 from, Point2 to, const float h1, const float h2, const bool swap) {
to = from + (to-from).rotated(60/180.0f*M_PI * ((swap)?(-1):(+1)) );
const QVector3D vert1(from.x, h1, from.y);
const QVector3D vert2(to.x, h1, to.y);
const QVector3D vert3(to.x, h2, to.y);
const QVector3D vert4(from.x, h2, from.y);
const QVector3D n1 = GLHelper::getNormal(vert1, vert2, vert3);
const QVector3D n2 = -n1;
QVector3D tan = (vert1-vert2).normalized();
tan = GLHelper::isCCW(vert1, vert2, vert3) ? (tan) : (-tan);
const QVector2D tex1(0, 0);
const QVector2D tex2(1, 0);
const QVector2D tex3(1, 1);
const QVector2D tex4(0, 1);
{
const VertNormTexTan vnt1(vert1, n1, tex1, tan);
const VertNormTexTan vnt2(vert2, n1, tex2, tan);
const VertNormTexTan vnt3(vert3, n1, tex3, tan);
const VertNormTexTan vnt4(vert4, n1, tex4, tan);
doors.addQuadCCW(vnt1, vnt2, vnt3, vnt4);
} {
const VertNormTexTan vnt1(vert1, n2, tex1, -tan);
const VertNormTexTan vnt2(vert2, n2, tex2, -tan);
const VertNormTexTan vnt3(vert3, n2, tex3, -tan);
const VertNormTexTan vnt4(vert4, n2, tex4, -tan);
doors.addQuadCW(vnt1, vnt2, vnt3, vnt4);
}
}
};
#endif // DOORS_H

129
map/elements/Ground.h Normal file
View File

@@ -0,0 +1,129 @@
#ifndef GROUND_H
#define GROUND_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include "../gl/GLHelper.h"
#include "../gl/GLTriangles.h"
#include "../Renderable.h"
#include "../../lib/gpc/Polygon.h"
class Ground : public Renderable {
private:
Floorplan::Floor* floor;
GLTriangles<VertNormTexTan> flooring;
GLTriangles<VertNormTexTan> ceiling;
public:
/** ctor */
Ground(Floorplan::Floor* floor) : floor(floor) {
;
}
void initGL() override {
build();
flooring.setDiffuse(":/res/gl/tex/floor4.jpg");
flooring.setNormalMap(":/res/gl/tex/floor4_normal.jpg");
ceiling.setDiffuse(":/res/gl/tex/floor4.jpg");
ceiling.setNormalMap(":/res/gl/tex/floor4_normal.jpg");
flooring.build();
ceiling.build();
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentTex.glsl");
program.setUniformValue("texDiffuse", 0);
program.setUniformValue("texNormalMap", 1);
}
/** render the floor */
void _render() override {
flooring.render(&program);
ceiling.render(&program);
}
private:
void build() {
std::vector<gpc_polygon> add;
std::vector<gpc_polygon> rem;
const std::vector<Floorplan::FloorOutlinePolygon*>& polys = floor->outline;
Polygon pol;
for (Floorplan::FloorOutlinePolygon* poly : polys) {
switch (poly->method) {
case Floorplan::OutlineMethod::ADD: pol.add(poly->poly); break;
case Floorplan::OutlineMethod::REMOVE: pol.remove(poly->poly); break;
default: throw 1;
}
}
std::vector<std::vector<Point3>> trias = pol.get(floor->atHeight);
// is stored as TRIANGLE_STRIP
// => triangle might have more than 3 points
for (const std::vector<Point3>& tria : trias) {
const QVector3D normFloor(0, +1, 0);
const QVector3D normCeil(0, +1, 0); // why +1???
const QVector3D t(1,0,0);
const float s = 0.6;
// add vertices
for (int i = 2; i < (int) tria.size(); i+=1) {
const Point3 p1 = tria[i-2];
const Point3 p2 = tria[i-1];
const Point3 p3 = tria[i-0];
const QVector3D vert1(p1.x, p1.z, p1.y);
const QVector3D vert2(p2.x, p2.z, p2.y);
const QVector3D vert3(p3.x, p3.z, p3.y);
{
const VertNormTexTan vnt1(vert1, normFloor, tex(vert1*s), t);
const VertNormTexTan vnt2(vert2, normFloor, tex(vert2*s), t);
const VertNormTexTan vnt3(vert3, normFloor, tex(vert3*s), t);
flooring.addFaceCCW(vnt1, vnt2, vnt3);
} {
const VertNormTexTan vnt1(vert1, normCeil, tex(vert1*s), t);
const VertNormTexTan vnt2(vert2, normCeil, tex(vert2*s), t);
const VertNormTexTan vnt3(vert3, normCeil, tex(vert3*s), t);
ceiling.addFaceCW(vnt1, vnt2, vnt3);
}
}
}
}
private:
QVector2D tex(const QVector3D vert) {
return QVector2D(vert.x(), vert.z());
}
};
#endif // GROUND_H

89
map/elements/Handrails.h Normal file
View File

@@ -0,0 +1,89 @@
#ifndef HANDRAIL_H
#define HANDRAIL_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include "../gl/GLHelper.h"
#include "../gl/GLLines.h"
#include "../Renderable.h"
class Handrails : public Renderable {
private:
Floorplan::Floor* floor;
GLLines lines;
public:
/** ctor */
Handrails(Floorplan::Floor* floor) : floor(floor) {
;
}
void initGL() override {
build();
lines.build();
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentLine.glsl");
program.setUniformValue("color", QVector4D(0.5, 0.5, 0.5, 1.0));
}
/** render the floor */
void _render() override {
glLineWidth(2);
lines.render(&program);
}
private:
void build() {
for (Floorplan::FloorObstacle* obstacle : floor->obstacles) {
if (dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle)) {
Floorplan::FloorObstacleLine* line = dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle);
if (line->type != Floorplan::ObstacleType::HANDRAIL) {continue;}
add(line->from, line->to, floor->getStartingZ());
}
}
}
void add(const Point2 from, const Point2 to, const float h1) {
// handrail height
const float h2 = h1 + 0.8;
const QVector3D v1(to.x, h2, to.y);
const QVector3D v2(from.x, h2, from.y);
// upper
lines.addLine(v1, v2);
const float stepSize = 0.5;
const float len = from.getDistance(to);
const float steps = std::round(len / stepSize);
for (int i = 0; i <= steps; ++i) {
const float percent = (float) i / (float) steps;
const Point2 pos = from + (to-from) * percent;
const QVector3D v1(pos.x, h1, pos.y);
const QVector3D v2(pos.x, h2, pos.y);
lines.addLine(v1, v2);
}
}
};
#endif // HANDRAIL_H

318
map/elements/Path.h Normal file
View File

@@ -0,0 +1,318 @@
#ifndef PATH_H
#define PATH_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include <Indoor/nav/dijkstra/DijkstraPath.h>
#include "../gl/GLHelper.h"
#include "../gl/GLTriangles.h"
#include "../Renderable.h"
#include "../../lib/gpc/Polygon.h"
class Path : public Renderable {
private:
GLTriangles<VertNormTex> lines;
public:
/** ctor */
Path() {
;
}
void initGL() override {
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentLine.glsl");
program.setUniformValue("color", QVector4D(0.0, 0.4, 1.0, 0.6));
//loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentTexSimple.glsl");
lines.setDiffuse(":/res/gl/tex/arrows.png");
program.setUniformValue("texNormalMap", 0);
}
/** render the floor */
void _render() override {
lines.rebuild();
glLineWidth(30);
glEnable(GL_BLEND);
glDisable(GL_CULL_FACE);
glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
lines.render(&program);
glDisable(GL_BLEND);
glEnable(GL_CULL_FACE);
}
template <typename Node> void set(const DijkstraPath<Node>& path) {
std::vector<Point3> out;
for (const DijkstraNode<Node>* node : path.getVector()) {
if (!node) {break;}
const Node* elem = node->element;
out.push_back(Point3(elem->x_cm/100.0f, elem->y_cm/100.0f, elem->z_cm/100.0f));
}
out = simplify(out);
set(out);
}
/*
void setSimple(const std::vector<Point3>& path) {
lines.clear();
const float s = 0.5;
Point3 lastDir(0,0,0);
std::vector<Floorplan::Quad3> quads;
for (int i = 1; i < (int) path.size(); ++i) {
Point3 pa = path[i-1];
Point3 pb = path[i-0];
const Point3 pc(0, 0, 1);
Point3 dir = pb - pa; dir /= dir.length();
Point3 perb = cross(pa-pb, pc); perb /= perb.length();
const Point3 p1 = pa - perb*s;
const Point3 p2 = pa + perb*s;
const Point3 p3 = pb + perb*s;
const Point3 p4 = pb - perb*s;
if (dir == lastDir) {
quads.back().p3 = p3;
quads.back().p4 = p4;
} else {
quads.push_back(Floorplan::Quad3(p1,p2,p3,p4));
}
lastDir = dir;
// // produce a small gap between path-lines [will be filled with another quad!]
// pa += dir * 0.6;
// pb -= dir * 0.6;
//
}
for (int i = 0; i < (int) quads.size(); ++i) {
// add the line-segment
const Floorplan::Quad3 q1 = quads[i];
addQuad(q1);
// // construct the quad between adjacent segments
// if (i < (int) quads.size() - 1) {
// const Floorplan::Quad3 q2 = quads[i+1];
// const Floorplan::Quad3 q3(q1.p3, q2.p2, q2.p1, q1.p4);
// addQuad(q3);
// }
}
}
*/
/** combine nodes while the direction stays the same (many small quads -> one large quad) */
std::vector<Point3> simplify(const std::vector<Point3>& path) {
std::vector<Point3> out;
Point3 lastDir(0,0,0);
if (!path.empty()) {
out.push_back(path.back());
}
for (int i = path.size() - 1; i >= 1; --i) {
const Point3 pa = path[i-0];
const Point3 pb = path[i-1];
const Point3 dir = (pb - pa).normalized();
if (dir == lastDir) {
out[out.size()-1] = pb;
} else {
out.push_back(pb);
}
lastDir = dir;
}
// remove unneccesary nodes
for (int i = 1; i < (int) out.size() - 1; ++i) {
const Point3 pa = out[i-1];
const Point3 pb = out[i-0];
const Point3 pc = out[i+1];
const float min = 0.6;
const float d1 = pb.getDistance(pa);
const float d2 = pb.getDistance(pc);
if (d1 < min || d2 < min) {
out.erase(out.begin() + i);
}
}
return out;
}
// void set(const std::vector<Point3>& path) {
// lines.clear();
// const float s = 0.4;
// std::vector<Point3> pts;
// for (int i = 0; i < (int) path.size(); ++i) {
// const Point3 pa = path[i-1];
// const Point3 pb = path[i-0];
// const Point3 pc(0, 0, 1);
// const Point3 perb = cross(pa-pb, pc).normalized();
// // quad's edges
// const Point3 p1 = pa - perb*s;
// const Point3 p2 = pa + perb*s;
// const Point3 p3 = pb + perb*s;
// const Point3 p4 = pb - perb*s;
// pts.push_back(p1);
// pts.push_back(p2);
// }
// std::vector<Floorplan::Quad3> quads;
// for (int i = 0; i < (int) pts.size(); i+=2) {
// quads.push_back(Floorplan::Quad3(pts[i+0], pts[i+1], pts[i+3], pts[i+2]));
// }
// float l1 = 0;
// float l2 = 0;
// for (int i = 0; i < (int) quads.size(); ++i) {
// // add the line-segment
// const Floorplan::Quad3 q1 = quads[i];
// l2 += ((q1.p1 + q1.p2) / 2).getDistance( (q1.p3 + q1.p4) / 2 );
// addQuad(q1, l1, l2);
// l1 = l2;
// }
// }
void set(const std::vector<Point3>& path) {
lines.clear();
// half the width of the path
const float s = 0.4;
std::vector<Floorplan::Quad3> quads;
for (int i = 1; i < (int) path.size(); ++i) {
Point3 pa = path[i-1];
Point3 pb = path[i-0];
const Point3 pc(0, 0, 1);
Point3 dir = (pb - pa).normalized();
// produce a small gap between path-segments
// those segments will be smoothly connected using another quad
pa += dir * 0.35;
pb -= dir * 0.35;
const Point3 perb = cross(pa-pb, pc).normalized();
// quad's edges
const Point3 p1 = pa - perb*s;
const Point3 p2 = pa + perb*s;
const Point3 p3 = pb + perb*s;
const Point3 p4 = pb - perb*s;
// add
quads.push_back(Floorplan::Quad3(p1,p2,p3,p4));
}
float l1 = 0;
float l2 = 0;
for (int i = 0; i < (int) quads.size(); ++i) {
// add the line-segment
const Floorplan::Quad3 q1 = quads[i];
l2 += ((q1.p1 + q1.p2) / 2).getDistance( (q1.p3 + q1.p4) / 2 );
addQuad(q1, l1, l2);
l1 = l2;
// done?
if (i == (int) quads.size() - 1) {break;}
// construct the quad between adjacent segments
const Floorplan::Quad3 q2 = quads[i+1];
const Floorplan::Quad3 q3(q1.p4, q1.p3, q2.p2, q2.p1);
l2 += ((q3.p1 + q3.p2) / 2).getDistance( (q3.p3 + q3.p4) / 2 );
addQuad(q3, l1, l2);
l1 = l2;
}
}
private:
void addQuad(const Floorplan::Quad3& q, const float l1, const float l2) {
// move the path upwards (slightly above the ground)
const float h = 0.40;
const QVector3D v1(q.p1.x, q.p1.z+h, q.p1.y);
const QVector3D v2(q.p2.x, q.p2.z+h, q.p2.y);
const QVector3D v3(q.p3.x, q.p3.z+h, q.p3.y);
const QVector3D v4(q.p4.x, q.p4.z+h, q.p4.y);
const QVector3D n(0,1,0);
const QVector2D tex1(0, l1);
const QVector2D tex2(1, l1);
const QVector2D tex3(1, l2);
const QVector2D tex4(0, l2);
// const QVector2D tex1(q.p1.x, q.p1.y);
// const QVector2D tex2(q.p2.x, q.p2.y);
// const QVector2D tex3(q.p3.x, q.p3.y);
// const QVector2D tex4(q.p4.x, q.p4.y);
const VertNormTex vnt1(v1, n, tex1);
const VertNormTex vnt2(v2, n, tex2);
const VertNormTex vnt3(v3, n, tex3);
const VertNormTex vnt4(v4, n, tex4);
lines.addQuadCCW(vnt1, vnt2, vnt3, vnt4);
}
};
#endif // PATH_H

151
map/elements/Stairs.h Normal file
View File

@@ -0,0 +1,151 @@
#ifndef STAIRS_H
#define STAIRS_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include "../gl/GLHelper.h"
#include "../gl/GLTriangles.h"
#include "../Renderable.h"
class Stairs : public Renderable {
private:
Floorplan::Floor* floor;
GLTriangles<VertNormTex> parts;
public:
/** ctor */
Stairs(Floorplan::Floor* floor) : floor(floor) {
;
}
void initGL() override {
build();
parts.setDiffuse(":/res/gl/tex/granite1.jpg");
parts.setNormalMap(":/res/gl/tex/granite1_normal.jpg");
parts.build();
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentTex.glsl");
program.setUniformValue("texDiffuse", 0);
program.setUniformValue("texNormalMap", 1);
}
/** render the floor */
void _render() override {
parts.render(&program);
}
private:
void build() {
for (Floorplan::Stair* stair : floor->stairs) {
if (dynamic_cast<Floorplan::Stair*>(stair)) {
Floorplan::StairFreeform* freeform = dynamic_cast<Floorplan::StairFreeform*>(stair);
add(Floorplan::getQuads(freeform->getParts(), floor));
}
}
}
void add(const std::vector<Floorplan::Quad3>& quads) {
for (const Floorplan::Quad3& quad : quads) {
//void addQuad(quad);
stepify(quad);
}
}
void stepify(const Floorplan::Quad3& quad) {
const float len = (quad.p4 - quad.p1).length();
const float stepLen = 0.3;
const int steps = std::round(len / stepLen);
for (int i = 0; i < steps; ++i) {
const float per1 = (float) (i+0) / (float) steps;
const float per2 = (float) (i+1) / (float) steps;
const Point3 p1 = quad.p1 + (quad.p4 - quad.p1) * per1;
const Point3 p2 = quad.p2 + (quad.p3 - quad.p2) * per1;
const Point3 p5 = quad.p2 + (quad.p3 - quad.p2) * per2;
const Point3 p6 = quad.p1 + (quad.p4 - quad.p1) * per2;
Point3 p3 = p5; p3.z = p2.z;
Point3 p4 = p6; p4.z = p1.z;
addQuad(Floorplan::Quad3(p1, p2, p3, p4));
addQuad(Floorplan::Quad3(p3, p4, p6, p5));
}
}
void addQuad(const Floorplan::Quad3& quad) {
const QVector3D vert1(quad.p1.x, quad.p1.z, quad.p1.y);
const QVector3D vert2(quad.p2.x, quad.p2.z, quad.p2.y);
const QVector3D vert3(quad.p3.x, quad.p3.z, quad.p3.y);
const QVector3D vert4(quad.p4.x, quad.p4.z, quad.p4.y);
const QVector3D n1 = GLHelper::getNormal(vert1, vert2, vert3);
const QVector3D n2 = -n1;
// const float o =
// const QVector2D tex1(quad.p1.length(), quad.p1.y);
// const QVector2D tex2(quad.p2.x, quad.p2.y+quad.p2.z);
// const QVector2D tex3(quad.p3.x, quad.p3.y+quad.p3.z);
// const QVector2D tex4(quad.p4.x, quad.p4.y+quad.p4.z);
const float h = quad.p4.getDistance(quad.p1);
const float l = quad.p1.getDistance(quad.p2);
const float o = quad.p1.length();
const float s = 1.1; // 0.5;
const QVector2D tex1(o+0, h); // start texturing at the ceiling so above-door-sections and walls have the same textre
const QVector2D tex2(o+l, h);
const QVector2D tex3(o+l, 0);
const QVector2D tex4(o+0, 0);
// const VertNormTex vnt1(vert1, n1, tex1*s);
// const VertNormTex vnt2(vert2, n1, tex2*s);
// const VertNormTex vnt3(vert3, n1, tex3*s);
// const VertNormTex vnt4(vert4, n1, tex4*s);
{
const VertNormTex vnt1(vert1, n1, tex1*s);
const VertNormTex vnt2(vert2, n1, tex2*s);
const VertNormTex vnt3(vert3, n1, tex3*s);
const VertNormTex vnt4(vert4, n1, tex4*s);
parts.addQuadCCW(vnt1, vnt2, vnt3, vnt4);
} {
const VertNormTex vnt1(vert1, n2, tex1*s);
const VertNormTex vnt2(vert2, n2, tex2*s);
const VertNormTex vnt3(vert3, n2, tex3*s);
const VertNormTex vnt4(vert4, n2, tex4*s);
parts.addQuadCW(vnt1, vnt2, vnt3, vnt4);
}
}
};
#endif // STAIRS_H

120
map/elements/Walls.h Normal file
View File

@@ -0,0 +1,120 @@
#ifndef WALLS_H
#define WALLS_H
#include <Indoor/floorplan/v2/Floorplan.h>
#include "../gl/GLHelper.h"
#include "../gl/GLTriangles.h"
#include "../Renderable.h"
#include "../../lib/gpc/Polygon.h"
class Walls : public Renderable {
private:
Floorplan::Floor* floor;
GLTriangles<VertNormTexTan> walls;
public:
/** ctor */
Walls(Floorplan::Floor* floor) : floor(floor) {
;
}
void initGL() override {
build();
walls.setDiffuse(":/res/gl/tex/floor3.jpg");
walls.setNormalMap(":/res/gl/tex/floor3_normal.jpg");
walls.build();
loadShader(":/res/gl/vertex1.glsl", ":/res/gl/fragmentTex.glsl");
program.setUniformValue("texDiffuse", 0);
program.setUniformValue("texNormalMap", 1);
//glEnable(GL_TEXTURE0 + 1);
}
/** render the floor */
void _render() override {
walls.render(&program);
}
private:
void build() {
for (Floorplan::FloorObstacle* obstacle : floor->obstacles) {
if (dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle)) {
Floorplan::FloorObstacleLine* line = dynamic_cast<Floorplan::FloorObstacleLine*>(obstacle);
if (line->type != Floorplan::ObstacleType::WALL) {continue;}
addFace(line->from, line->to, floor->getStartingZ(), floor->getEndingZ());
} else if (dynamic_cast<Floorplan::FloorObstacleDoor*>(obstacle)) {
Floorplan::FloorObstacleDoor* door = dynamic_cast<Floorplan::FloorObstacleDoor*>(obstacle);
addFace(door->from, door->to, floor->getStartingZ() + door->height, floor->getEndingZ());
}
}
}
void addFace(const Point2 from, const Point2 to, const float h1, const float h2) {
const QVector3D vert1(from.x, h1, from.y);
const QVector3D vert2(to.x, h1, to.y);
const QVector3D vert3(to.x, h2, to.y);
const QVector3D vert4(from.x, h2, from.y);
const QVector3D n1 = GLHelper::getNormal(vert1, vert2, vert3);
const QVector3D n2 = -n1;
QVector3D tan = (vert1-vert2).normalized();
tan = GLHelper::isCCW(vert1, vert2, vert3) ? (tan) : (-tan);
const float l = from.getDistance(to);
const float h = h2-h1;
const float o = std::min(from.length(), to.length());
const QVector2D tex1(o+0, h); // start texturing at the ceiling so above-door-sections and walls have the same textre
const QVector2D tex2(o+l, h);
const QVector2D tex3(o+l, 0);
const QVector2D tex4(o+0, 0);
const float s = 0.65;
{
const VertNormTexTan vnt1(vert1, n1, tex1*s, tan);
const VertNormTexTan vnt2(vert2, n1, tex2*s, tan);
const VertNormTexTan vnt3(vert3, n1, tex3*s, tan);
const VertNormTexTan vnt4(vert4, n1, tex4*s, tan);
walls.addQuadCCW(vnt1, vnt2, vnt3, vnt4);
} {
const VertNormTexTan vnt1(vert1, n2, tex1*s, -tan);
const VertNormTexTan vnt2(vert2, n2, tex2*s, -tan);
const VertNormTexTan vnt3(vert3, n2, tex3*s, -tan);
const VertNormTexTan vnt4(vert4, n2, tex4*s, -tan);
walls.addQuadCW(vnt1, vnt2, vnt3, vnt4);
}
}
//private:
//
// QVector2D tex(const QVector3D vert) {
// return QVector2D(vert.x(), vert.y());
// }
};
#endif // WALLS_H

55
map/gl/GL.h Normal file
View File

@@ -0,0 +1,55 @@
#ifndef HELPER_GL_H
#define HELPER_GL_H
#include <QOpenGLFunctions>
#include <QOpenGLShaderProgram>
#include <QOpenGLBuffer>
#include <QOpenGLTexture>
struct Vert {
QVector3D vert;
Vert(QVector3D vert) : vert(vert) {;}
int getVertOffset() const {return 0;}
bool operator == (const Vert& o) const {return (vert == o.vert);}
};
struct VertNorm {
QVector3D vert;
QVector3D norm;
VertNorm(QVector3D vert, QVector3D norm) : vert(vert), norm(norm) {;}
int getVertOffset() const {return 0;}
int getNormOffset() const {return sizeof(QVector3D);}
int getTanOffset() const {throw "error";}
bool operator == (const VertNorm& o) const {return (vert == o.vert) && (norm == o.norm);}
static bool hasTangent() {return false;}
};
struct VertNormTex {
QVector3D vert;
QVector3D norm;
QVector2D tex;
VertNormTex(QVector3D vert, QVector3D norm, QVector3D tex) : vert(vert), norm(norm), tex(tex) {;}
int getVertOffset() const {return 0;}
int getNormOffset() const {return sizeof(QVector3D);}
int getTexOffset() const {return sizeof(QVector3D)*2;}
int getTanOffset() const {throw "error";}
bool operator == (const VertNormTex& o) const {return (vert == o.vert) && (norm == o.norm) && (tex == o.tex);}
static bool hasTangent() {return false;}
};
struct VertNormTexTan {
QVector3D vert;
QVector3D norm;
QVector2D tex;
QVector3D tan;
VertNormTexTan(QVector3D vert, QVector3D norm, QVector3D tex, QVector3D tan) : vert(vert), norm(norm), tex(tex), tan(tan) {;}
int getVertOffset() const {return 0;}
int getNormOffset() const {return sizeof(QVector3D);}
int getTexOffset() const {return sizeof(QVector3D)*2;}
int getTanOffset() const {return sizeof(QVector3D)*2 + sizeof(QVector2D);}
bool operator == (const VertNormTexTan& o) const {return (vert == o.vert) && (norm == o.norm) && (tex == o.tex) && (tan == o.tan);}
static bool hasTangent() {return true;}
};
#endif // HELPER_GL_H

67
map/gl/GLHelper.h Normal file
View File

@@ -0,0 +1,67 @@
#ifndef MAP_HELPER_H
#define MAP_HELPER_H
#include <Indoor/geo/Point3.h>
#include <QOpenGLFunctions>
class GLHelper {
public:
static QVector3D getNormal(const QVector3D& v1, const QVector3D& v2, const QVector3D& v3) {
// get two of the triangle's edges
const QVector4D v21 = v2-v1;
const QVector4D v31 = v3-v1;
const QVector3D n = QVector3D::crossProduct(v21.toVector3D(), v31.toVector3D()).normalized();
return isCCW(v1, v2, v3) ? (n) : (-n);
}
/**
* is the triangle given by p1,p2,p3 CCW?
* NOTE: uses OUR coordinate system (x,y,z) where z is the floor-height
*/
static bool isCCW(const Point3 p1, const Point3 p2, const Point3 p3) {
const QVector3D v1(p1.x, p1.z, p1.y);
const QVector3D v2(p2.x, p2.z, p2.y);
const QVector3D v3(p3.x, p3.z, p3.y);
return isCCW(v1, v2, v3);
}
/**
* is the triangle given by p1,p2,p3 CCW?
* NOTE: uses OpenGL coordinate system (x,z,y) (our z is the floor-height)
*/
static bool isCCW(const QVector3D& p1, const QVector3D& p2, const QVector3D& p3) {
// camera position
QMatrix4x4 proj; proj.lookAt(QVector3D(-1,20,-1), QVector3D(0,0,0), QVector3D(0,1,0));
// to camera space
QVector4D v1(p1.x(), p1.y(), p1.z(), 1);
QVector4D v2(p2.x(), p2.y(), p2.z(), 1);
QVector4D v3(p3.x(), p3.y(), p3.z(), 1);
v1 = proj * v1;
v2 = proj * v2;
v3 = proj * v3;
// get two of the triangle's edges
const QVector4D v21 = v2-v1;
const QVector4D v31 = v3-v1;
// check the angle between both
const float angle = QVector2D::dotProduct(v21.toVector2D(), v31.toVector2D());
return angle > 0;
// const QVector3D n = QVector3D::crossProduct(v21.toVector3D(), v31.toVector3D());
// return n.z() > 0;
}
};
#endif // MAP_HELPER_H

126
map/gl/GLLines.h Normal file
View File

@@ -0,0 +1,126 @@
#ifndef GLLINES_H
#define GLLINES_H
#include <QOpenGLFunctions>
#include "GL.h"
#include "GLHelper.h"
#include <Indoor/geo/Point3.h>
class GLLines : protected QOpenGLFunctions {
private:
QOpenGLBuffer arrayBuf;
QOpenGLBuffer indexBuf;
std::vector<Vert> vertices;
std::vector<GLushort> indices;
int mode = GL_LINES;
public:
/** ctor */
GLLines() : arrayBuf(QOpenGLBuffer::VertexBuffer), indexBuf(QOpenGLBuffer::IndexBuffer) {
;
}
/** dtor */
~GLLines() {
arrayBuf.destroy();
indexBuf.destroy();
}
/** add a new face to this element */
void addLine(const QVector3D& p1, const QVector3D& p2) {
// add vertices (remove duplicates!)
const int i1 = addOnce(p1);
const int i2 = addOnce(p2);
// add indices
indices.push_back(i1);
indices.push_back(i2);
}
void addVertex(const QVector3D& p1) {
const int i1 = addOnce(p1);
indices.push_back(i1);
}
/** build the underlying buffers */
void build() {
initializeOpenGLFunctions();
// Transfer vertex data to VBO 0
arrayBuf.create();
arrayBuf.bind();
arrayBuf.allocate(vertices.data(), vertices.size() * sizeof(vertices[0]));
// Transfer index data to VBO 1
indexBuf.create();
indexBuf.bind();
indexBuf.allocate(indices.data(), indices.size() * sizeof(indices[0]));
}
void rebuild() {
if (indexBuf.isCreated()) {indexBuf.destroy();}
if (arrayBuf.isCreated()) {arrayBuf.destroy();}
build();
}
void clear() {
indices.clear();
vertices.clear();
}
void setMode(const int mode) {
this->mode = mode;
}
/** render the element */
void render(QOpenGLShaderProgram *program) {
// Tell OpenGL which VBOs to use
arrayBuf.bind();
indexBuf.bind();
// vertices
int vertLoc = program->attributeLocation("a_position");
program->enableAttributeArray(vertLoc);
program->setAttributeBuffer(vertLoc, GL_FLOAT, vertices[0].getVertOffset(), 3, sizeof(vertices[0]));
// Draw cube geometry using indices from VBO 1
glDrawElements(mode, indices.size(), GL_UNSIGNED_SHORT, 0);
}
private:
/** to conserve memory, avoid duplicate VNTs! */
int addOnce(const Vert& vnt) {
const auto it = std::find(vertices.begin(), vertices.end(), vnt);
if (it == vertices.end()) {
const int idx = vertices.size();
vertices.push_back(vnt);
return idx;
} else {
const int idx = it - vertices.begin();
return idx;
}
}
};
#endif // GLLINES_H

205
map/gl/GLTriangles.h Normal file
View File

@@ -0,0 +1,205 @@
#ifndef GLTRIANGLES_H
#define GLTRIANGLES_H
#include <QOpenGLFunctions>
#include "GL.h"
#include "GLHelper.h"
#include <type_traits>
#include <Indoor/geo/Point3.h>
template <typename T> class GLTriangles : protected QOpenGLFunctions {
private:
QOpenGLBuffer arrayBuf;
QOpenGLBuffer indexBuf;
QOpenGLTexture* textures[4];
std::vector<T> vertices;
std::vector<GLushort> indices;
public:
/** ctor */
GLTriangles() : arrayBuf(QOpenGLBuffer::VertexBuffer), indexBuf(QOpenGLBuffer::IndexBuffer), textures() {
;
}
/** dtor */
~GLTriangles() {
arrayBuf.destroy();
indexBuf.destroy();
for (int i = 0; i < 4; ++i) {delete textures[i];}
}
/** set the to-be-used texture */
void setTexture(const int slot, const QString& textureFile) {
const QImage img(textureFile);
if (img.width() <= 0) {throw "error";}
QOpenGLTexture* texture = new QOpenGLTexture(img);
texture->setMinificationFilter(QOpenGLTexture::Linear);
texture->setMagnificationFilter(QOpenGLTexture::Linear);
texture->setWrapMode(QOpenGLTexture::Repeat);
texture->generateMipMaps();
textures[slot] = texture;
}
void setDiffuse(const QString& textureFile) {
setTexture(0, textureFile);
}
void setNormalMap(const QString& textureFile) {
setTexture(1, textureFile);
}
/** add a new face to this element */
void addFaceCCW(const T& vnt1, const T& vnt2, const T& vnt3) {
addFace(vnt1, vnt2, vnt3, 1);
}
/** add a new face to this element */
void addFaceCW(const T& vnt1, const T& vnt2, const T& vnt3) {
addFace(vnt1, vnt2, vnt3, 2);
}
/** add a new quad to this element */
void addQuadCCW(const T& vnt1, const T& vnt2, const T& vnt3, const T& vnt4) {
addFace(vnt1, vnt2, vnt3, 1);
addFace(vnt3, vnt4, vnt1, 1);
}
/** add a new quad to this element */
void addQuadCW(const T& vnt1, const T& vnt2, const T& vnt3, const T& vnt4) {
addFace(vnt1, vnt2, vnt3, 2);
addFace(vnt3, vnt4, vnt1, 2);
}
/** add a new quad to this element */
void addQuad(const T& vnt1, const T& vnt2, const T& vnt3, const T& vnt4) {
addFace(vnt1, vnt2, vnt3, 0);
addFace(vnt3, vnt4, vnt1, 0);
}
/** build the underlying buffers */
void build() {
initializeOpenGLFunctions();
// Transfer vertex data to VBO 0
arrayBuf.create();
arrayBuf.bind();
arrayBuf.allocate(vertices.data(), vertices.size() * sizeof(vertices[0]));
// Transfer index data to VBO 1
indexBuf.create();
indexBuf.bind();
indexBuf.allocate(indices.data(), indices.size() * sizeof(indices[0]));
}
void rebuild() {
if (indexBuf.isCreated()) {indexBuf.destroy();}
if (arrayBuf.isCreated()) {arrayBuf.destroy();}
build();
}
void clear() {
indices.clear();
vertices.clear();
}
/** render the element */
void render(QOpenGLShaderProgram* program) {
// Tell OpenGL which VBOs to use
arrayBuf.bind();
indexBuf.bind();
for (int i = 0; i < 4; ++i) {
if (textures[i]) { textures[i]->bind(i); }
}
// vertices
int vertLoc = program->attributeLocation("a_position");
program->enableAttributeArray(vertLoc);
program->setAttributeBuffer(vertLoc, GL_FLOAT, vertices[0].getVertOffset(), 3, sizeof(vertices[0]));
// Tell OpenGL programmable pipeline how to locate vertex texture coordinate data
int normLoc = program->attributeLocation("a_normal");
program->enableAttributeArray(normLoc);
program->setAttributeBuffer(normLoc, GL_FLOAT, vertices[0].getNormOffset(), 3, sizeof(vertices[0]));
int texcoordLocation = program->attributeLocation("a_texcoord");
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, vertices[0].getTexOffset(), 2, sizeof(vertices[0]));
// bind tangent data?
if (T::hasTangent()) {
int tanLocation = program->attributeLocation("a_tangent");
program->enableAttributeArray(tanLocation);
program->setAttributeBuffer(tanLocation, GL_FLOAT, vertices[0].getTanOffset(), 3, sizeof(vertices[0]));
}
// texture
program->setUniformValue("texture", 0);
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLES, indices.size(), GL_UNSIGNED_SHORT, 0);
}
private:
void addFace(const T& vnt1, const T& vnt2, const T& vnt3, const int mode) {
// add vertices (remove duplicates!)
const int i1 = addOnce(vnt1);
const int i2 = addOnce(vnt2);
const int i3 = addOnce(vnt3);
// get current orientation
const bool ccw = GLHelper::isCCW(vnt1.vert, vnt2.vert, vnt3.vert);
// create indices
if (mode == 0 || (mode == 1 && ccw) || (mode == 2 && !ccw) ) {
indices.push_back(i1);
indices.push_back(i2);
indices.push_back(i3);
} else {
indices.push_back(i3);
indices.push_back(i2);
indices.push_back(i1);
}
}
/** to conserve memory, avoid duplicate VNTs! */
int addOnce(const T& vnt) {
const auto it = std::find(vertices.begin(), vertices.end(), vnt);
if (it == vertices.end()) {
const int idx = vertices.size();
vertices.push_back(vnt);
return idx;
} else {
const int idx = it - vertices.begin();
return idx;
}
}
};
#endif // GLTRIANGLES_H