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11 Commits

Author SHA1 Message Date
itdominator 64d5584698 Update 'README.md' 2021-04-26 21:07:42 +00:00
Anakin 7e87b14fe1 made all path relative now 2017-04-30 15:05:21 +02:00
Anakin da0b7e3c5f new release version,
Features:
- fixed overexposed specular bug,
- most settings are saved after each session
Bugs:
-nothing known
2017-02-08 14:32:48 +01:00
Anakin fa75e17d58 most settings are saved and restored 2017-02-08 14:29:22 +01:00
Anakin 49585945c3 fixed too high specular,
updated preview.jpg
2017-02-06 16:53:27 +01:00
Anakin 67657061b6 new release version,
Features:
- normal map support,
- added specular support for cloth,
- "glow" support,
Bugs:
- normal mapping looks a bit drizzly depending on the angle of view
2017-02-06 14:59:46 +01:00
Anakin 06d403d546 support normal map now,
support "glow" now,
update preview.jpg
2017-02-06 14:53:05 +01:00
Anakin 541a975624 added preview imange,
passed data to shader,
need to process data in shader
2017-02-05 20:10:05 +01:00
Anakin 30f1a1e627 passing poylNormal, tangent, bitangent to shader 2017-02-05 16:57:12 +01:00
Anakin cdf19911f6 calculate polygon normal, tangent, and bitangent,
next step, use them for calculation
2017-02-05 16:39:37 +01:00
Anakin 4c40d140a9 cloth now has specular 2017-02-05 15:25:59 +01:00
18 changed files with 870 additions and 136 deletions

View File

@ -19,7 +19,9 @@
<property name="windowTitle">
<string>MainWindow</string>
</property>
<widget class="QWidget" name="centralWidget"/>
<widget class="QWidget" name="centralWidget">
<layout class="QHBoxLayout" name="horizontalLayout"/>
</widget>
<widget class="QToolBar" name="mainToolBar">
<property name="allowedAreas">
<set>Qt::LeftToolBarArea|Qt::RightToolBarArea|Qt::TopToolBarArea</set>
@ -32,6 +34,72 @@
</attribute>
</widget>
<widget class="QStatusBar" name="statusBar"/>
<widget class="QDockWidget" name="dockWidget">
<property name="autoFillBackground">
<bool>false</bool>
</property>
<property name="features">
<set>QDockWidget::DockWidgetClosable|QDockWidget::DockWidgetFloatable</set>
</property>
<property name="allowedAreas">
<set>Qt::RightDockWidgetArea</set>
</property>
<property name="windowTitle">
<string>Asset library</string>
</property>
<attribute name="dockWidgetArea">
<number>2</number>
</attribute>
<widget class="QWidget" name="dockWidgetContents">
<layout class="QVBoxLayout" name="verticalLayout">
<property name="spacing">
<number>0</number>
</property>
<property name="leftMargin">
<number>0</number>
</property>
<property name="topMargin">
<number>0</number>
</property>
<property name="rightMargin">
<number>0</number>
</property>
<property name="bottomMargin">
<number>0</number>
</property>
<item>
<widget class="QTreeWidget" name="treeWidget">
<property name="showDropIndicator" stdset="0">
<bool>false</bool>
</property>
<property name="dragEnabled">
<bool>true</bool>
</property>
<property name="dragDropMode">
<enum>QAbstractItemView::DragOnly</enum>
</property>
<property name="selectionBehavior">
<enum>QAbstractItemView::SelectItems</enum>
</property>
<property name="verticalScrollMode">
<enum>QAbstractItemView::ScrollPerPixel</enum>
</property>
<property name="headerHidden">
<bool>true</bool>
</property>
<property name="expandsOnDoubleClick">
<bool>false</bool>
</property>
<column>
<property name="text">
<string notr="true">1</string>
</property>
</column>
</widget>
</item>
</layout>
</widget>
</widget>
</widget>
<layoutdefault spacing="6" margin="11"/>
<resources>

View File

@ -18,6 +18,9 @@ struct VertexData
QVector3D position;
QVector2D texCoord;
QVector3D vertexNormal;
QVector3D polygonNormal;
QVector3D tangent;
QVector3D bitangent;
};
struct Segment {
@ -42,10 +45,10 @@ struct Material {
QString tx3d;
QOpenGLTexture* texture0 = Q_NULLPTR;
QOpenGLTexture* texture1 = Q_NULLPTR;
QVector4D specularColor = { 1.0, 1.0, 1.0, 1.0 };
QVector4D specularColor = { 0.1f, 0.1f, 0.1f, 1.0 };
QVector4D diffuseColor = { 1.0, 0.0, 0.0, 1.0 };
QVector4D ambientColor = { 1.0, 1.0, 1.0, 1.0 };
float shininess = 80;
float shininess = 1;
bool flags[8] = { false };
bool transparent = false;
quint8 rendertype = 0;

View File

@ -34,6 +34,7 @@ private:
// functions
private:
void clearData();
void setupPipeline(QOpenGLShaderProgram * program);
public:
void drawGeometry(QOpenGLShaderProgram *program);

View File

@ -30,6 +30,8 @@ private:
// functions
private:
void setupWidgets();
void getAssetLibrary();
void searchMeshFiles(QString path);
void openFile();
void takeScreenShot();
void aboutTool();

View File

@ -23,19 +23,19 @@ private:
QOpenGLShaderProgram m_program;
GeometryEngine *m_dataEngine;
QVector4D m_backgroundColorOn = { 0.02f, 0.02f, 0.02f, 1.0f };
QVector4D m_backgroundColorOff = { 0.5f, 0.8f, 1.0f, 1.0f };
QVector4D m_backgroundColorOn;
QVector4D m_backgroundColorOff;
bool m_wireframe = false;
bool m_lightOn = false;
bool m_backfaceCulling = false;
bool m_wireframe;
bool m_lightOn;
bool m_backfaceCulling;
struct {
QVector4D position = { 1,1,1,0 };
QVector3D intensities = { 1.0,1.0,1.0 };
float attenuationFactor = 0.0f;
float ambientCoefficient = 0.005f;
bool headlight = false;
QVector4D position;
QVector3D intensities;
float attenuationFactor;
float ambientCoefficient;
bool headlight;
} m_light;
struct {
@ -51,6 +51,7 @@ private:
// functions
private:
void setDefaultValues();
void initShaders();
void resetView();
void updateLightPosition();
@ -89,5 +90,10 @@ public slots:
void setHeadlight(bool value);
void setBackfaceCulling(bool value);
// signals
signals:
void lightChanged(bool value);
};

View File

@ -0,0 +1,72 @@
#pragma once
#include <QObject>
#include <QFile>
#include <QVector3D>
#include <QVector4D>
class SettingsManager : public QObject
{
Q_OBJECT
private:
SettingsManager(QObject *parent = Q_NULLPTR);
public:
SettingsManager(SettingsManager const&) = delete;
void operator=(SettingsManager const&) = delete;
~SettingsManager();
static SettingsManager* getInstance(QObject *parent = Q_NULLPTR);
// attributes
private:
QFile file;
QVector3D m_bgColorOn = { 5, 5, 5 };
QVector3D m_bgColorOff = { 128, 204, 255 };
bool m_bfCulling = false;
bool m_light = false;
int m_lightType = 1; // 1 = direct, 2 = point
QVector3D m_lightColor = { 255,255,255 };
float m_attenuation = 0.0f;
float m_ambient = 0.005f;
bool m_headlight = false;
bool m_autoColor = true;
// functions
private:
void readFromFile();
void writeToFile();
public:
QVector3D getBgColorOn() const;
QVector3D getBgColorOff() const;
bool isBfCulling() const;
bool isLight() const;
int getLightType() const;
QVector3D getLightColor() const;
float getAttenuation() const;
float getAmbient() const;
bool isHeadlight() const;
bool isAutoColor() const;
// slots
public:
void setBgColorOn(QVector3D value);
void setBgColorOff(QVector3D value);
void setBfCulling(bool value);
void setLight(bool value);
void setLightType(int value);
void setLightColor(QVector3D value);
void setAttenuation(double value);
void setAmbient(double value);
void setHeadlight(bool value);
void setAutoColor(int value);
};

View File

@ -9,7 +9,7 @@ class SettingsWindow : public QWidget
Q_OBJECT
public:
SettingsWindow(QVector3D bgOffColor, QVector3D bgOnColor, QVector3D lightColor, bool autoColor, double ambCoef, double attFac, int lightType, QWidget * parent = Q_NULLPTR);
SettingsWindow(QWidget * parent = Q_NULLPTR);
~SettingsWindow();
private:
@ -33,5 +33,6 @@ signals:
void sendHeadlight(bool value);
void sendBackfaceCulling(bool value);
void sendZommSpeed(int percent);
void changeLightType(int value);
};

View File

@ -4,16 +4,22 @@ precision mediump int;
precision mediump float;
#endif
uniform mat3 n_matrix;
uniform mat3 normalMatrix;
uniform vec3 cameraPosition;
uniform sampler2D texture;
uniform float materialShininess;
uniform vec3 materialSpecularColor;
uniform sampler2D tx0;
uniform sampler2D tx1;
uniform bool b_transparent;
uniform bool b_specular;
uniform bool b_light;
uniform struct Material {
float shininess;
vec3 specularColor;
bool isTransparent;
bool hasSpecularmap;
bool hasNormalmap;
bool isGlow;
} material;
uniform bool useLight;
uniform struct Light {
vec4 position;
@ -25,67 +31,96 @@ uniform struct Light {
varying vec2 v_surfaceUV;
varying vec3 v_surfacePosition;
varying vec3 v_surfaceNormal;
varying vec3 v_polyNorm;
varying vec3 v_polyTan;
varying vec3 v_polyBiTan;
void main()
{
if(b_light)
if(useLight && !material.isGlow)
{
// some values
vec3 normalWorld = normalize(n_matrix * v_surfaceNormal);
vec4 surfaceColor = vec4(texture2D(texture, v_surfaceUV));
// get the color and undo gamma correction
vec4 surfaceColor = vec4(texture2D(tx0, v_surfaceUV));
surfaceColor.rgb = pow(surfaceColor.rgb, vec3(2.2));
vec3 surfaceToLight;
float attenuation;
// directional light
if(light.position.w == 0.0f)
{
surfaceToLight = normalize(light.position.xyz);
}
// point light
else
{
surfaceToLight = normalize(light.position.xyz - v_surfacePosition);
}
float distanceToLight = length(light.position.xyz - v_surfacePosition);
attenuation = 1.0 / (1.0 + light.attenuationFactor * pow(distanceToLight, 2));
// attenutation depending on the distance to the light
float distanceToLight = length(light.position.xyz - v_surfacePosition);
float attenuation = 1.0 / (1.0 + light.attenuationFactor * pow(distanceToLight, 2));
// normal vector
vec3 normal = normalize(normalMatrix * v_surfaceNormal);
// direction from surface to light depending on the light type
vec3 surfaceToLight;
if(light.position.w == 0.0) // directional light
surfaceToLight = normalize(light.position.xyz);
else // point light
surfaceToLight = normalize(light.position.xyz - v_surfacePosition);
// direction from surface to camera
vec3 surfaceToCamera = normalize(cameraPosition - v_surfacePosition);
// ambient
// adjust the values if material has normal map
if(material.hasNormalmap)
{
vec3 surfaceTangent = normalize(normalMatrix * v_polyTan);
vec3 surfaceBitangent = normalize(normalMatrix * -v_polyBiTan);
vec3 surfaceNormal = normalize(normalMatrix * v_surfaceNormal);
mat3 tbn = transpose(mat3(surfaceTangent, surfaceBitangent, surfaceNormal));
normal = texture2D(tx1, v_surfaceUV).rgb;
normal = normalize(normal * 2.0 -1.0);
surfaceToLight = normalize(tbn * surfaceToLight);
surfaceToCamera = normalize(tbn * surfaceToCamera);
}
/////////////////////////////////////////////////////////////////////////////////////
// ambient component
vec3 ambient = light.ambientCoefficient * surfaceColor.rgb * light.intensities;
// diffuse
float diffuseCoefficient = max(0.0, dot(normalWorld, surfaceToLight));
/////////////////////////////////////////////////////////////////////////////////////
// diffuse component
float diffuseCoefficient = max(0.0, dot(normal, surfaceToLight));
vec3 diffuse = diffuseCoefficient * surfaceColor.rgb * light.intensities;
// specular
/////////////////////////////////////////////////////////////////////////////////////
// specular component
float specularCoefficient = 0.0;
if(diffuseCoefficient > 0.0)
specularCoefficient = pow(max(0.0, dot(surfaceToCamera, reflect(-surfaceToLight, normalWorld))), materialShininess);
vec3 specColor;
if(b_specular)
specColor = vec3(surfaceColor.a);
else
specColor = materialSpecularColor;
specularCoefficient = pow(max(0.0, dot(surfaceToCamera, reflect(-surfaceToLight, normal))), material.shininess);
float specularWeight = 1;
if(material.hasSpecularmap)
specularWeight = surfaceColor.a;
vec3 specColor = specularWeight * 1/255 * material.specularColor;
vec3 specular = specularCoefficient * specColor * light.intensities;
// linear color before gamma correction)
/////////////////////////////////////////////////////////////////////////////////////
// linear color before gamma correction
vec3 linearColor = ambient + attenuation * (diffuse + specular);
// final color after gama correction
/////////////////////////////////////////////////////////////////////////////////////
// gama correction
vec3 gamma = vec3(1.0/2.2);
if(!b_transparent)
surfaceColor.a = 1.0f;
if(!material.isTransparent)
surfaceColor.a = 1.0;
gl_FragColor = vec4(pow(linearColor, gamma), surfaceColor.a);
}
// don't use light
else
{
vec4 surfaceColor = vec4(texture2D(texture, v_surfaceUV));
if(!b_transparent)
surfaceColor.a = 1.0f;
vec4 surfaceColor = vec4(texture2D(tx0, v_surfaceUV));
if(!material.isTransparent)
surfaceColor.a = 1.0;
gl_FragColor = surfaceColor;
}

View File

@ -4,26 +4,35 @@ precision mediump int;
precision mediump float;
#endif
uniform mat4 vp_matrix;
uniform mat4 norm_matrix;
uniform mat4 m_matrix;
uniform mat4 viewProjection;
uniform mat4 normalizeModel;
uniform mat4 modelMatrix;
attribute vec4 a_position;
attribute vec2 a_texcoord;
attribute vec3 a_normal;
attribute vec3 a_polyNorm;
attribute vec3 a_polyTan;
attribute vec3 a_polyBiTan;
varying vec2 v_surfaceUV;
varying vec3 v_surfacePosition;
varying vec3 v_surfaceNormal;
varying vec3 v_polyNorm;
varying vec3 v_polyTan;
varying vec3 v_polyBiTan;
void main()
{
// Calculate vertex position in screen space
gl_Position = vp_matrix * norm_matrix * m_matrix * a_position;
gl_Position = viewProjection * normalizeModel * modelMatrix * a_position;
// Pass data to fragment shader
// Value will be automatically interpolated to fragments inside polygon faces
v_surfaceUV = a_texcoord;
v_surfacePosition = vec3(norm_matrix * m_matrix * a_position);
v_surfacePosition = vec3(normalizeModel * modelMatrix * a_position);
v_surfaceNormal = a_normal;
v_polyNorm = a_polyNorm;
v_polyTan = a_polyTan;
v_polyBiTan = a_polyBiTan;
}

View File

@ -5,7 +5,6 @@
#include "..\Header\OutputDevice.h"
#include <QRegExp>
#include "..\Header\Profiler.h"
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
@ -52,26 +51,8 @@ void GeometryEngine::clearData()
m_drawList.clear();
}
void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
void GeometryEngine::setupPipeline(QOpenGLShaderProgram *program)
{
if (!m_arrayBuf.isCreated() || !m_indexBuf.isCreated())
return;
// Setup
// Tell OpenGL which VBOs to use
m_arrayBuf.bind();
m_indexBuf.bind();
// Allways normalize by this
QMatrix4x4 normMatrix;
float maxExtent = std::max(std::max(m_boundings.extents[0], m_boundings.extents[1]), m_boundings.extents[2]);
normMatrix.scale(1 / maxExtent);
normMatrix.translate(-m_boundings.center[0], -m_boundings.center[1], -m_boundings.center[2]);
program->setUniformValue("norm_matrix", normMatrix);
// Allways use texture unit 0
program->setUniformValue("texture", 0);
// Offset for position
quintptr offset = 0;
@ -88,50 +69,115 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
program->enableAttributeArray(texcoordLocation);
program->setAttributeBuffer(texcoordLocation, GL_FLOAT, offset, 2, sizeof(VertexData));
//Offset for normal
//Offset for vertexNormal
offset += sizeof(QVector2D);
// Tell OpenGL programmable pipeline how to locate vertex normal data
int normLocation = program->attributeLocation("a_normal");
program->enableAttributeArray(normLocation);
program->setAttributeBuffer(normLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
int vertNormLocation = program->attributeLocation("a_normal");
program->enableAttributeArray(vertNormLocation);
program->setAttributeBuffer(vertNormLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
//Offset for polygonNormal
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate polygon normal data
int polyNormLocation = program->attributeLocation("a_polyNorm");
program->enableAttributeArray(polyNormLocation);
program->setAttributeBuffer(polyNormLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
//Offset for polygonTangent
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate polygon tangent data
int polyTanLocation = program->attributeLocation("a_polyTan");
program->enableAttributeArray(polyTanLocation);
program->setAttributeBuffer(polyTanLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
//Offset for polygonBitangent
offset += sizeof(QVector3D);
// Tell OpenGL programmable pipeline how to locate polygon bitangent data
int polyBiTanLocation = program->attributeLocation("a_polyBiTan");
program->enableAttributeArray(polyBiTanLocation);
program->setAttributeBuffer(polyBiTanLocation, GL_FLOAT, offset, 3, sizeof(VertexData));
}
void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
{
if (!m_arrayBuf.isCreated() || !m_indexBuf.isCreated())
return;
// Setup
// Tell OpenGL which VBOs to use
m_arrayBuf.bind();
m_indexBuf.bind();
// Allways normalize by this
QMatrix4x4 normMatrix;
float maxExtent = std::max(std::max(m_boundings.extents[0], m_boundings.extents[1]), m_boundings.extents[2]);
normMatrix.scale(1 / maxExtent);
normMatrix.translate(-m_boundings.center[0], -m_boundings.center[1], -m_boundings.center[2]);
program->setUniformValue("normalizeModel", normMatrix);
// Allways use texture unit 0 and 1
program->setUniformValue("tx0", 0);
program->setUniformValue("tx1", 1);
//setup the pipeline
setupPipeline(program);
// Paint
for (auto& it : m_drawList)
{
bool tmp_transparent(false);
bool tmp_specular(false);
bool tmp_normalmap(false);
bool tmp_glow(false);
float shininess(0.0);
QVector3D specularColor;
// bind the correct texture
if (it.textureIndex < (unsigned)m_materials->size() && m_materials->at(it.textureIndex).texture0 != Q_NULLPTR)
{
m_materials->at(it.textureIndex).texture0->bind();
m_materials->at(it.textureIndex).texture0->bind(0);
tmp_transparent = m_materials->at(it.textureIndex).transparent;
tmp_specular = m_materials->at(it.textureIndex).flags[7];
shininess = m_materials->at(it.textureIndex).shininess;
specularColor = m_materials->at(it.textureIndex).specularColor.toVector3D();
if (m_materials->at(it.textureIndex).rendertype == 27 || m_materials->at(it.textureIndex).rendertype == 28)
{
if (m_materials->at(it.textureIndex).texture1 != Q_NULLPTR)
{
tmp_normalmap = true;
m_materials->at(it.textureIndex).texture1->bind(1);
}
}
if (m_materials->at(it.textureIndex).flags[0] || m_materials->at(it.textureIndex).flags[1] || m_materials->at(it.textureIndex).rendertype == 1)
tmp_glow = true;
}
else
{
m_defaultMaterial->texture0->bind();
m_defaultMaterial->texture0->bind(0);
tmp_transparent = m_defaultMaterial->transparent;
}
// Set model matrix
program->setUniformValue("m_matrix", it.modelMatrix);
program->setUniformValue("modelMatrix", it.modelMatrix);
// Set normal matrix
program->setUniformValue("n_matrix", (normMatrix * it.modelMatrix).normalMatrix());
// set some more values
program->setUniformValue("b_transparent", tmp_transparent);
program->setUniformValue("b_specular", tmp_specular);
program->setUniformValue("normalMatrix", (normMatrix * it.modelMatrix).normalMatrix());
// set some material attributes
program->setUniformValue("materialShininess", shininess);
program->setUniformValue("materialSpecularColor", specularColor);
program->setUniformValue("material.shininess", shininess);
program->setUniformValue("material.specularColor", specularColor);
program->setUniformValue("material.isTransparent", tmp_transparent);
program->setUniformValue("material.hasSpecularmap", tmp_specular);
program->setUniformValue("material.hasNormalmap", tmp_normalmap);
program->setUniformValue("material.isGlow", tmp_glow);
// Draw cube geometry using indices from VBO 1
glDrawElements(GL_TRIANGLES, it.size, GL_UNSIGNED_INT, (void*)(it.offset * sizeof(GLuint)));
@ -141,7 +187,6 @@ void GeometryEngine::drawGeometry(QOpenGLShaderProgram *program)
void GeometryEngine::loadFile(QString filePath)
{
TIC("Start");
// cleanup old stuff and recreate buffers
clearData();
m_arrayBuf.create();
@ -216,7 +261,5 @@ void GeometryEngine::loadFile(QString filePath)
clearData();
OutputDevice::getInstance()->print(QString(e.what()), 2);
}
TOC("End");
}

View File

@ -49,6 +49,8 @@ MainWindow::MainWindow(QWidget *parent)
styleSheet.open(QIODevice::ReadOnly);
this->setStyleSheet(styleSheet.readAll());
getAssetLibrary();
printMessage("MeshViewer by Anakin", 0);
}
@ -161,6 +163,33 @@ void MainWindow::setupWidgets()
}
void MainWindow::getAssetLibrary()
{
QTreeWidgetItem* item = new QTreeWidgetItem;
item->setData(0, Qt::DisplayRole, "Wuhu");
ui->treeWidget->addTopLevelItem(item);
searchMeshFiles("D:/workspaces/Visual Studio 2015/Projects/OpenGL/Release");
}
void MainWindow::searchMeshFiles(QString path)
{
QDir directory(path);
directory.setNameFilters(QStringList("*.msh"));
QStringList childDirectories = directory.entryList(QDir::AllDirs | QDir::NoDotAndDotDot);
QStringList fileNames = directory.entryList(QDir::Files);
for (auto &it : childDirectories)
qDebug() << it;
for (auto &it : fileNames)
qDebug() << it;
}
void MainWindow::openFile()
{
QString fileName = QFileDialog::getOpenFileName(this, "Open File", "", "Mesh (*.msh)");

View File

@ -1,6 +1,7 @@
#include "..\Header\MshFile.h"
#include "..\Header\tga.h"
#include "..\Header\OutputDevice.h"
#include <QVector3D>
// helper function to save data from file to any variable type
@ -571,18 +572,106 @@ void MshFile::analyseSegmChunks(Model * dataDestination, QList<ChunkHeader*>& ch
if (tmp_buffer.size() == 5)
{
for (size_t i = 0; i < 3; i++)
new_segment->indices.push_back(tmp_buffer.takeFirst());
// calculate poylgon normal, tangent and bitangent
QVector3D vec1, vec2, norm, tan, bi;
QVector2D uv1, uv2;
float f;
vec1 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[1]].position;
vec2 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[2]].position;
uv1 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[1]].texCoord;
uv2 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[2]].texCoord;
f = 1.0f / (uv1.x() * uv2.y() - uv2.x() * uv1.y());
norm = QVector3D::crossProduct(vec1, vec2).normalized();
tan.setX(f * (uv2.y() * vec1.x() - uv1.y() * vec2.x()));
tan.setY(f * (uv2.y() * vec1.y() - uv1.y() * vec2.y()));
tan.setZ(f * (uv2.y() * vec1.z() - uv1.y() * vec2.z()));
tan.normalize();
bi.setX(f * (-uv2.x() * vec1.x() + uv1.x() * vec2.x()));
bi.setY(f * (-uv2.x() * vec1.y() + uv1.x() * vec2.y()));
bi.setZ(f * (-uv2.x() * vec1.z() + uv1.x() * vec2.z()));
bi.normalize();
for (int k = 0; k < 3; k++)
{
// polygon normal wasn't calculated before
if (new_segment->vertices[tmp_buffer[k]].polygonNormal == QVector3D(0, 0, 0))
{
new_segment->vertices[tmp_buffer[k]].polygonNormal = norm;
new_segment->vertices[tmp_buffer[k]].tangent = tan;
new_segment->vertices[tmp_buffer[k]].bitangent = bi;
new_segment->indices.push_back(tmp_buffer[k]);
}
// polygon normal already calculated so duplicate the vertex
else
{
new_segment->vertices.push_back(new_segment->vertices[tmp_buffer[k]]);
new_segment->vertices.back().polygonNormal = norm;
new_segment->vertices.back().tangent = tan;
new_segment->vertices.back().bitangent = bi;
new_segment->indices.push_back(new_segment->vertices.size() - 1);
}
}
tmp_buffer.remove(0, 3);
}
else if (tmp_buffer.size() > 5)
{
unsigned int tmp_multiPolySize = tmp_buffer.size() - 2;
// calculate poylgon normal, tangent and bitangent
QVector3D vec1, vec2, norm, tan, bi;
QVector2D uv1, uv2;
float f;
vec1 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[1]].position;
vec2 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[2]].position;
uv1 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[1]].texCoord;
uv2 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[2]].texCoord;
f = 1.0f / (uv1.x() * uv2.y() - uv2.x() * uv1.y());
norm = QVector3D::crossProduct(vec1, vec2).normalized();
tan.setX(f * (uv2.y() * vec1.x() - uv1.y() * vec2.x()));
tan.setY(f * (uv2.y() * vec1.y() - uv1.y() * vec2.y()));
tan.setZ(f * (uv2.y() * vec1.z() - uv1.y() * vec2.z()));
tan.normalize();
bi.setX(f * (-uv2.x() * vec1.x() + uv1.x() * vec2.x()));
bi.setY(f * (-uv2.x() * vec1.y() + uv1.x() * vec2.y()));
bi.setZ(f * (-uv2.x() * vec1.z() + uv1.x() * vec2.z()));
bi.normalize();
// for every triangle of the multi polygon..
for (unsigned int tri = 0; tri < tmp_multiPolySize - 2; tri++)
{
// ..calculate the edge indices
for (int triEdge = 0; triEdge < 3; triEdge++)
new_segment->indices.push_back(tmp_buffer[(tri + triEdge - ((tri % 2) * (triEdge - 1) * 2))]);
{
int curIndi = tmp_buffer[(tri + triEdge - ((tri % 2) * (triEdge - 1) * 2))];
// polygon normal wasn't calculated before
if (new_segment->vertices[curIndi].polygonNormal == QVector3D(0, 0, 0))
{
new_segment->vertices[curIndi].polygonNormal = norm;
new_segment->vertices[curIndi].tangent = tan;
new_segment->vertices[curIndi].bitangent = bi;
new_segment->indices.push_back(curIndi);
}
// polygon normal already calculated so duplicate the vertex
else
{
new_segment->vertices.push_back(new_segment->vertices[curIndi]);
new_segment->vertices.back().polygonNormal = norm;
new_segment->vertices.back().tangent = tan;
new_segment->vertices.back().bitangent = bi;
new_segment->indices.push_back(new_segment->vertices.size() - 1);
}
}
}
tmp_buffer.remove(0, tmp_multiPolySize);
}
@ -593,17 +682,106 @@ void MshFile::analyseSegmChunks(Model * dataDestination, QList<ChunkHeader*>& ch
// save the last polygon (no 2 high bit followed)
if (tmp_buffer.size() == 3)
{
for (size_t i = 0; i < 3; i++)
new_segment->indices.push_back(tmp_buffer.takeFirst());
// calculate poylgon normal, tangent and bitangent
QVector3D vec1, vec2, norm, tan, bi;
QVector2D uv1, uv2;
float f;
vec1 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[1]].position;
vec2 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[2]].position;
uv1 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[1]].texCoord;
uv2 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[2]].texCoord;
f = 1.0f / (uv1.x() * uv2.y() - uv2.x() * uv1.y());
norm = QVector3D::crossProduct(vec1, vec2).normalized();
tan.setX(f * (uv2.y() * vec1.x() - uv1.y() * vec2.x()));
tan.setY(f * (uv2.y() * vec1.y() - uv1.y() * vec2.y()));
tan.setZ(f * (uv2.y() * vec1.z() - uv1.y() * vec2.z()));
tan.normalize();
bi.setX(f * (-uv2.x() * vec1.x() + uv1.x() * vec2.x()));
bi.setY(f * (-uv2.x() * vec1.y() + uv1.x() * vec2.y()));
bi.setZ(f * (-uv2.x() * vec1.z() + uv1.x() * vec2.z()));
bi.normalize();
for (int k = 0; k < 3; k++)
{
// polygon normal wasn't calculated before
if (new_segment->vertices[tmp_buffer[k]].polygonNormal == QVector3D(0, 0, 0))
{
new_segment->vertices[tmp_buffer[k]].polygonNormal = norm;
new_segment->vertices[tmp_buffer[k]].tangent = tan;
new_segment->vertices[tmp_buffer[k]].bitangent = bi;
new_segment->indices.push_back(tmp_buffer[k]);
}
// polygon normal already calculated so duplicate the vertex
else
{
new_segment->vertices.push_back(new_segment->vertices[tmp_buffer[k]]);
new_segment->vertices.back().polygonNormal = norm;
new_segment->vertices.back().tangent = tan;
new_segment->vertices.back().bitangent = bi;
new_segment->indices.push_back(new_segment->vertices.size() - 1);
}
}
tmp_buffer.remove(0, 3);
}
else if (tmp_buffer.size() > 3)
{
unsigned int tmp_multiPolySize = tmp_buffer.size();
// calculate poylgon normal, tangent and bitangent
QVector3D vec1, vec2, norm, tan, bi;
QVector2D uv1, uv2;
float f;
vec1 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[1]].position;
vec2 = new_segment->vertices[tmp_buffer[0]].position - new_segment->vertices[tmp_buffer[2]].position;
uv1 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[1]].texCoord;
uv2 = new_segment->vertices[tmp_buffer[0]].texCoord - new_segment->vertices[tmp_buffer[2]].texCoord;
f = 1.0f / (uv1.x() * uv2.y() - uv2.x() * uv1.y());
norm = QVector3D::crossProduct(vec1, vec2).normalized();
tan.setX(f * (uv2.y() * vec1.x() - uv1.y() * vec2.x()));
tan.setY(f * (uv2.y() * vec1.y() - uv1.y() * vec2.y()));
tan.setZ(f * (uv2.y() * vec1.z() - uv1.y() * vec2.z()));
tan.normalize();
bi.setX(f * (-uv2.x() * vec1.x() + uv1.x() * vec2.x()));
bi.setY(f * (-uv2.x() * vec1.y() + uv1.x() * vec2.y()));
bi.setZ(f * (-uv2.x() * vec1.z() + uv1.x() * vec2.z()));
bi.normalize();
// for every triangle of the multi polygon..
for (unsigned int tri = 0; tri < tmp_multiPolySize - 2; tri++)
{
// ..calculate the edge indices
for (int triEdge = 0; triEdge < 3; triEdge++)
new_segment->indices.push_back(tmp_buffer[(tri + triEdge - ((tri % 2) * (triEdge - 1) * 2))]);
{
int curIndi = tmp_buffer[(tri + triEdge - ((tri % 2) * (triEdge - 1) * 2))];
// polygon normal wasn't calculated before
if (new_segment->vertices[curIndi].polygonNormal == QVector3D(0, 0, 0))
{
new_segment->vertices[curIndi].polygonNormal = norm;
new_segment->vertices[curIndi].tangent = tan;
new_segment->vertices[curIndi].bitangent = bi;
new_segment->indices.push_back(curIndi);
}
// polygon normal already calculated so duplicate the vertex
else
{
new_segment->vertices.push_back(new_segment->vertices[curIndi]);
new_segment->vertices.back().polygonNormal = norm;
new_segment->vertices.back().tangent = tan;
new_segment->vertices.back().bitangent = bi;
new_segment->indices.push_back(new_segment->vertices.size() - 1);
}
}
}
}
}
}
@ -662,12 +840,26 @@ void MshFile::analyseClthChunks(Model * dataDestination, QList<ChunkHeader*>& ch
m_file.read(F2V(tmp_size), sizeof(tmp_size));
// for every triangle..
for (unsigned int i = 0; i < tmp_size * 3; i++)
for (unsigned int i = 0; i < tmp_size; i++)
{
quint32 tmp_value;
m_file.read(F2V(tmp_value), sizeof(quint32));
quint32 tmp_value[3];
for (unsigned int j = 0; j < 3; j++)
{
m_file.read(F2V(tmp_value[j]), sizeof(quint32));
new_segment->indices.push_back((GLuint)tmp_value[j]);
}
new_segment->indices.push_back((GLuint)tmp_value);
QVector3D vec1, vec2, norm;
vec1 = new_segment->vertices[new_segment->indices[i * 3]].position - new_segment->vertices[new_segment->indices[i * 3 + 1]].position;
vec2 = new_segment->vertices[new_segment->indices[i * 3]].position - new_segment->vertices[new_segment->indices[i * 3 + 2]].position;
norm = QVector3D::crossProduct(vec1, vec2);
for (int k = 0; k < 3; k++)
{
new_segment->vertices[new_segment->indices[i * 3 + k]].vertexNormal += norm;
new_segment->vertices[new_segment->indices[i * 3 + k]].vertexNormal.normalize();
}
}
}
}
@ -728,7 +920,7 @@ void MshFile::loadTexture(QOpenGLTexture *& destination, QString filepath, QStri
if (!loadSuccess)
{
OutputDevice::getInstance()->print("WARNING: texture not found or corrupted: " + filename, 1);
//TODO: cloth use the wrong diffuse color. should be null
img = QImage(1, 1, QImage::Format_RGB32);
img.fill(QColor(m_materials->back().diffuseColor[0] * 255, m_materials->back().diffuseColor[1] * 255, m_materials->back().diffuseColor[2] * 255));
filename += " *";

View File

@ -3,6 +3,7 @@
#include "..\Header\FreeCamera.h"
#include "..\Header\OrbitCamera.h"
#include "..\Header\MoveCamera.h"
#include "..\Header\SettingsManager.h"
#include <QMouseEvent>
#include <QDropEvent>
#include <QMimeData>
@ -24,7 +25,8 @@ OglViewerWidget::OglViewerWidget(QWidget *parent)
setAcceptDrops(true);
// settings window
m_settings = new SettingsWindow(m_backgroundColorOff.toVector3D() * 255, m_backgroundColorOn.toVector3D() * 255, m_light.intensities * 255, true, m_light.ambientCoefficient, m_light.attenuationFactor, 1, this);
setDefaultValues();
m_settings = new SettingsWindow(this);
connect(m_settings, &SettingsWindow::updateBGColorOff, this, &OglViewerWidget::setBGColorOff);
connect(m_settings, &SettingsWindow::updateBGColorOn, this, &OglViewerWidget::setBGColorOn);
@ -52,6 +54,30 @@ OglViewerWidget::~OglViewerWidget()
/////////////////////////////////////////////////////////////////////////
// functions
void OglViewerWidget::setDefaultValues()
{
SettingsManager* sm = SettingsManager::getInstance(this);
m_backgroundColorOn = QVector4D(sm->getBgColorOn() / 255, 1.0f);
m_backgroundColorOff = QVector4D(sm->getBgColorOff() / 255, 1.0f);
m_wireframe = false;
m_lightOn = sm->isLight();
m_backfaceCulling = sm->isBfCulling();
if (sm->getLightType() == 1) // directional
m_light.position = { 0.0,0.0,0.0,0.0 };
else // point
m_light.position = { 0.0,0.0,0.0,1.0 };
m_light.intensities = sm->getLightColor() / 255;
m_light.attenuationFactor = sm->getAttenuation();
m_light.ambientCoefficient = sm->getAmbient();
m_light.headlight = sm->isHeadlight();
connect(this, &OglViewerWidget::lightChanged, sm, &SettingsManager::setLight);
}
void OglViewerWidget::initShaders()
{
// Compile vertex shader
@ -143,10 +169,10 @@ void OglViewerWidget::paintGL()
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Set view-projection matrix
m_program.setUniformValue("vp_matrix", m_projection * m_camera->getMatrix());
m_program.setUniformValue("viewProjection", m_projection * m_camera->getMatrix());
// Set Light values
m_program.setUniformValue("b_light", m_lightOn);
m_program.setUniformValue("useLight", m_lightOn);
m_program.setUniformValue("light.position", m_light.position);
m_program.setUniformValue("light.intensities", m_light.intensities);
m_program.setUniformValue("light.attenuationFactor", m_light.attenuationFactor);
@ -371,6 +397,8 @@ void OglViewerWidget::toggleLight()
m_backgroundColorOff[3] = 1.0;
}
emit lightChanged(m_lightOn);
update();
}

View File

@ -0,0 +1,222 @@
#include "..\Header\SettingsManager.h"
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
SettingsManager::SettingsManager(QObject *parent)
: QObject(parent)
{
file.setFileName("meshviewer.config");
readFromFile();
}
SettingsManager::~SettingsManager()
{
writeToFile();
}
SettingsManager* SettingsManager::getInstance(QObject *parent)
{
static SettingsManager* instance = new SettingsManager(parent);
return instance;
}
/////////////////////////////////////////////////////////////////////////
// functions
void SettingsManager::readFromFile()
{
if (file.open(QIODevice::ReadOnly))
{
QByteArray stream = file.readAll();
QList<QByteArray> lines = stream.split('\n');
for (auto& it : lines)
{
if (it.startsWith("<bgOn>"))
{
QList<QByteArray> values = it.right(it.size() - it.indexOf('>') - 1).split(';');
for (int i = 0; i < 3; i++)
m_bgColorOn[i] = values[i].toFloat();
}
else if (it.startsWith("<bgOff>"))
{
QList<QByteArray> values = it.right(it.size() - it.indexOf('>') - 1).split(';');
for (int i = 0; i < 3; i++)
m_bgColorOff[i] = values[i].toFloat();
}
else if (it.startsWith("<liCo>"))
{
QList<QByteArray> values = it.right(it.size() - it.indexOf('>') - 1).split(';');
for (int i = 0; i < 3; i++)
m_lightColor[i] = values[i].toFloat();
}
else if (it.startsWith("<bfCul>"))
{
m_bfCulling = it.right(it.size() - it.indexOf('>') - 1).toInt();
}
else if (it.startsWith("<liOn>"))
{
m_light = it.right(it.size() - it.indexOf('>') - 1).toInt();
}
else if (it.startsWith("<heLi>"))
{
m_headlight = it.right(it.size() - it.indexOf('>') - 1).toInt();
}
else if (it.startsWith("<auCo>"))
{
m_autoColor = it.right(it.size() - it.indexOf('>') - 1).toInt();
}
else if (it.startsWith("<liTy>"))
{
m_lightType = it.right(it.size() - it.indexOf('>') - 1).toInt();
}
else if (it.startsWith("<atFa>"))
{
m_attenuation = it.right(it.size() - it.indexOf('>') - 1).toFloat();
}
else if (it.startsWith("<amCo>"))
{
m_ambient = it.right(it.size() - it.indexOf('>') - 1).toFloat();
}
}
file.close();
}
}
void SettingsManager::writeToFile()
{
file.open(QIODevice::WriteOnly);
file.write(QString("<bgOn>%1;%2;%3\n").arg(m_bgColorOn.x()).arg(m_bgColorOn.y()).arg(m_bgColorOn.z()).toUtf8());
file.write(QString("<bgOff>%1;%2;%3\n").arg(m_bgColorOff.x()).arg(m_bgColorOff.y()).arg(m_bgColorOff.z()).toUtf8());
file.write(QString("<liCo>%1;%2;%3\n").arg(m_lightColor.x()).arg(m_lightColor.y()).arg(m_lightColor.z()).toUtf8());
file.write(QString("<bfCul>%1\n").arg(m_bfCulling).toUtf8());
file.write(QString("<liOn>%1\n").arg(m_light).toUtf8());
file.write(QString("<heLi>%1\n").arg(m_headlight).toUtf8());
file.write(QString("<auCo>%1\n").arg(m_autoColor).toUtf8());
file.write(QString("<liTy>%1\n").arg(m_lightType).toUtf8());
file.write(QString("<atFa>%1\n").arg(m_attenuation).toUtf8());
file.write(QString("<amCo>%1\n").arg(m_ambient).toUtf8());
file.close();
}
// getter ///////////////////////////////////////////////////////////////
QVector3D SettingsManager::getBgColorOn() const
{
return m_bgColorOn;
}
QVector3D SettingsManager::getBgColorOff() const
{
return m_bgColorOff;
}
bool SettingsManager::isBfCulling() const
{
return m_bfCulling;
}
bool SettingsManager::isLight() const
{
return m_light;
}
int SettingsManager::getLightType() const
{
return m_lightType;
}
QVector3D SettingsManager::getLightColor() const
{
return m_lightColor;
}
float SettingsManager::getAttenuation() const
{
return m_attenuation;
}
float SettingsManager::getAmbient() const
{
return m_ambient;
}
bool SettingsManager::isHeadlight() const
{
return m_headlight;
}
bool SettingsManager::isAutoColor() const
{
return m_autoColor;
}
/////////////////////////////////////////////////////////////////////////
// slots
void SettingsManager::setBgColorOn(QVector3D value)
{
m_bgColorOn = value;
}
void SettingsManager::setBgColorOff(QVector3D value)
{
m_bgColorOff = value;
}
void SettingsManager::setBfCulling(bool value)
{
m_bfCulling = value;
}
void SettingsManager::setLight(bool value)
{
m_light = value;
}
void SettingsManager::setLightType(int value)
{
m_lightType = value;
}
void SettingsManager::setLightColor(QVector3D value)
{
m_lightColor = value;
}
void SettingsManager::setAttenuation(double value)
{
m_attenuation = value;
}
void SettingsManager::setAmbient(double value)
{
m_ambient = value;
}
void SettingsManager::setHeadlight(bool value)
{
m_headlight = value;
}
void SettingsManager::setAutoColor(int value)
{
if (value == 0)
m_autoColor = false;
else
m_autoColor = true;
}

View File

@ -1,10 +1,11 @@
#include "..\Header\SettingsWindow.h"
#include "..\Header\SettingsManager.h"
/////////////////////////////////////////////////////////////////////////
// constructor/destructor
SettingsWindow::SettingsWindow(QVector3D bgOffColor, QVector3D bgOnColor, QVector3D lightColor, bool autoColor, double ambCoef, double attFac, int lightType, QWidget * parent)
SettingsWindow::SettingsWindow(QWidget * parent)
: QWidget(parent)
, ui(new Ui::SettingsWindow)
{
@ -15,24 +16,41 @@ SettingsWindow::SettingsWindow(QVector3D bgOffColor, QVector3D bgOnColor, QVecto
setupConnections();
// set default values
ui->lightOff_R_SB->setValue((int)bgOffColor[0]);
ui->lightOff_G_SB->setValue((int)bgOffColor[1]);
ui->lightOff_B_SB->setValue((int)bgOffColor[2]);
SettingsManager* sm = SettingsManager::getInstance(this);
ui->lightOn_R_SB->setValue((int)bgOnColor[0]);
ui->lightOn_G_SB->setValue((int)bgOnColor[1]);
ui->lightOn_B_SB->setValue((int)bgOnColor[2]);
ui->lightOff_R_SB->setValue((int)(sm->getBgColorOff()[0]));
ui->lightOff_G_SB->setValue((int)(sm->getBgColorOff()[1]));
ui->lightOff_B_SB->setValue((int)(sm->getBgColorOff()[2]));
ui->light_R_SB->setValue((int)lightColor[0]);
ui->light_G_SB->setValue((int)lightColor[1]);
ui->light_B_SB->setValue((int)lightColor[2]);
ui->lightOn_R_SB->setValue((int)(sm->getBgColorOn()[0]));
ui->lightOn_G_SB->setValue((int)(sm->getBgColorOn()[1]));
ui->lightOn_B_SB->setValue((int)(sm->getBgColorOn()[2]));
ui->ambCoef->setValue(ambCoef);
ui->attFac->setValue(attFac);
ui->light_R_SB->setValue((int)(sm->getLightColor()[0]));
ui->light_G_SB->setValue((int)(sm->getLightColor()[1]));
ui->light_B_SB->setValue((int)(sm->getLightColor()[2]));
ui->checkAutoColor->setChecked(autoColor);
if (lightType == 1)
ui->ambCoef->setValue(sm->getAmbient());
ui->attFac->setValue(sm->getAttenuation());
ui->checkBackfaceCulling->setChecked(sm->isBfCulling());
ui->checkAutoColor->setChecked(sm->isAutoColor());
ui->checkHeadlight->setChecked(sm->isHeadlight());
if (sm->getLightType() == 1)
ui->radioDirectLight->setChecked(true);
else
ui->radioPointLight->setChecked(true);
connect(this, &SettingsWindow::updateBGColorOff, sm, &SettingsManager::setBgColorOff);
connect(this, &SettingsWindow::updateBGColorOn, sm, &SettingsManager::setBgColorOn);
connect(this, &SettingsWindow::updateLightColor, sm, &SettingsManager::setLightColor);
connect(this, &SettingsWindow::updateAttFac, sm, &SettingsManager::setAttenuation);
connect(this, &SettingsWindow::updateAmbCoef, sm, &SettingsManager::setAmbient);
connect(this, &SettingsWindow::sendHeadlight, sm, &SettingsManager::setHeadlight);
connect(this, &SettingsWindow::sendBackfaceCulling, sm, &SettingsManager::setBfCulling);
connect(ui->checkAutoColor, &QCheckBox::stateChanged, sm, &SettingsManager::setAutoColor);
connect(this, &SettingsWindow::changeLightType, sm, &SettingsManager::setLightType);
}
@ -133,10 +151,12 @@ void SettingsWindow::radioToggled()
{
ui->attFac->setValue(0.0);
ui->attFac->setEnabled(false);
emit changeLightType(1);
}
else
{
ui->attFac->setEnabled(true);
emit changeLightType(2);
}
}

View File

@ -1,3 +1,12 @@
https://git.rwth-aachen.de/carstenf/OpenGL
Pulled from here as backup of work that I did under the develop branch. I hope to come back to this and port to Python using this as a reference for logic and how-to.
Below is original README text.
# MshViewer
I started to learn OpenGL. Therefore i decided to implement a .msh viewer for SWBFII assets, since the old one
@ -12,10 +21,4 @@ So far it is just me. If you wanna help me, let me know :D
Feel free to use my code the way you like. But remember i used some public libraries. Make sure you read their
licence, too.
### To Do
- normal map,
- list all msh in a directory
- glow/emissive
- optional display bones, shadow, collision
- change pose
- animation

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