paysages : Terrain canvas (WIP).

git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@388 b1fd45b6-86a6-48da-8261-f70d1f35bdcc
This commit is contained in:
Michaël Lemaire 2012-07-13 12:23:58 +00:00 committed by ThunderK
parent e1def5c5d5
commit a52321fd45
13 changed files with 438 additions and 35 deletions

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@ -8,6 +8,7 @@
#include "inputnoise.h"
#include "inputcurve.h"
#include "inputmaterial.h"
#include "inputheightmap.h"
#include "inputenum.h"
#include "inputlayers.h"
@ -407,6 +408,11 @@ BaseInput* BaseForm::addInputMaterial(QString label, SurfaceMaterial* material)
return addInput(new InputMaterial(_form, label, material));
}
BaseInput* BaseForm::addInputHeightMap(QString label, HeightMap* heightmap)
{
return addInput(new InputHeightMap(_form, label, heightmap));
}
BaseInput* BaseForm::addInputEnum(QString label, int* value, const QStringList& values)
{
return addInput(new InputEnum(_form, label, value, values));

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@ -13,6 +13,7 @@
#include "../lib_paysages/curve.h"
#include "../lib_paysages/color.h"
#include "../lib_paysages/layers.h"
#include "../lib_paysages/heightmap.h"
#include "../lib_paysages/pack.h"
class BaseForm:public QWidget
@ -56,6 +57,7 @@ protected:
BaseInput* addInputNoise(QString label, NoiseGenerator* value);
BaseInput* addInputCurve(QString label, Curve* value, double xmin, double xmax, double ymin, double ymax, QString xlabel, QString ylabel);
BaseInput* addInputMaterial(QString label, SurfaceMaterial* material);
BaseInput* addInputHeightMap(QString label, HeightMap* heightmap);
BaseInput* addInputEnum(QString label, int* value, const QStringList& values);
BaseInput* addInputLayers(QString label, Layers* value, FormLayerBuilder form_builder);

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@ -0,0 +1,93 @@
#include "dialogheightmap.h"
#include "widgetheightmap.h"
#include <QBoxLayout>
#include <QGridLayout>
#include <QPushButton>
#include <QSlider>
/**************** Dialog form ****************/
DialogHeightMap::DialogHeightMap(QWidget* parent, HeightMap* heightmap) : DialogWithPreview(parent)
{
QWidget* mainarea;
QWidget* buttons;
QWidget* panel;
QWidget* viewer;
QGridLayout* viewer_layout;
QSlider* slider;
QPushButton* button;
_value_original = heightmap;
_value_modified = heightmapCreate();
heightmapCopy(_value_original, &_value_modified);
setLayout(new QVBoxLayout());
// Dialog layout (main area + buttons)
mainarea = new QWidget(this);
mainarea->setLayout(new QHBoxLayout());
this->layout()->addWidget(mainarea);
buttons = new QWidget(this);
buttons->setLayout(new QHBoxLayout());
buttons->layout()->setAlignment(buttons, Qt::AlignBottom);
this->layout()->addWidget(buttons);
// Main area layout (viewer + panel)
viewer = new QWidget(mainarea);
viewer_layout = new QGridLayout();
viewer->setLayout(viewer_layout);
mainarea->layout()->addWidget(viewer);
panel = new QWidget(mainarea);
panel->setLayout(new QVBoxLayout());
mainarea->layout()->addWidget(panel);
// Viewer layout (3d display + sliders)
_3dview = new WidgetHeightMap(viewer, &_value_modified);
viewer_layout->addWidget(_3dview, 0, 0);
slider = new QSlider(Qt::Horizontal, viewer);
viewer_layout->addWidget(slider, 1, 0);
slider = new QSlider(Qt::Vertical, viewer);
viewer_layout->addWidget(slider, 0, 1);
// Panel layout
button = new QPushButton(tr("Reset to terrain height"), buttons);
panel->layout()->addWidget(button);
// Buttons layout
button = new QPushButton(tr("Validate"), buttons);
buttons->layout()->addWidget(button);
QObject::connect(button, SIGNAL(clicked()), this, SLOT(accept()));
button = new QPushButton(tr("Revert"), buttons);
buttons->layout()->addWidget(button);
QObject::connect(button, SIGNAL(clicked()), this, SLOT(revert()));
button = new QPushButton(tr("Cancel"), buttons);
buttons->layout()->addWidget(button);
QObject::connect(button, SIGNAL(clicked()), this, SLOT(reject()));
setWindowTitle(tr("Paysages 3D - Height map painting"));
}
bool DialogHeightMap::editHeightMap(QWidget* parent, HeightMap* heightmap)
{
int result;
DialogHeightMap* dialog = new DialogHeightMap(parent, heightmap);
result = dialog->exec();
delete dialog;
return (result != 0) ? true : false;
}
void DialogHeightMap::accept()
{
QDialog::accept();
}
void DialogHeightMap::revert()
{
}

25
gui_qt/dialogheightmap.h Normal file
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@ -0,0 +1,25 @@
#ifndef _PAYSAGES_QT_DIALOGHEIGHTMAP_H_
#define _PAYSAGES_QT_DIALOGHEIGHTMAP_H_
#include "tools.h"
#include "widgetheightmap.h"
#include "../lib_paysages/heightmap.h"
class DialogHeightMap : public DialogWithPreview
{
Q_OBJECT
public:
explicit DialogHeightMap(QWidget* parent, HeightMap* heightmap);
static bool editHeightMap(QWidget* parent, HeightMap* heightmap);
public slots:
virtual void accept();
void revert();
private:
HeightMap* _value_original;
HeightMap _value_modified;
WidgetHeightMap* _3dview;
};
#endif

View file

@ -8,13 +8,13 @@ FormTerrainCanvas::FormTerrainCanvas(QWidget *parent, Layers* layers):
// TODO Area
addInputDouble(tr("Apply at height"), &_definition->offset_z, -20.0, 20.0, 0.1, 1.0);
// TODO Height map
addInputHeightMap(tr("Height map"), &_definition->height_map);
addInputDouble(tr("Canvas height"), &_definition->height_factor, 0.0, 20.0, 0.1, 1.0);
addInputNoise(tr("Detail noise"), _definition->detail_noise);
addInputDouble(tr("Detail noise height"), &_definition->detail_height_factor, 0.0, 20.0, 0.1, 1.0);
addInputDouble(tr("Detail noise scaling"), &_definition->detail_scaling, 0.0, 20.0, 0.1, 1.0);
// TODO Mask mode
// TODO Mask smoothing
addInputEnum(tr("Mask shape"), &_definition->mask_mode, QStringList(tr("Square")) << tr("Circle"));
addInputDouble(tr("Mask smoothing"), &_definition->mask_smoothing, 0.0, 1.0, 0.01, 0.1);
revertConfig();
}

59
gui_qt/inputheightmap.cpp Normal file
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@ -0,0 +1,59 @@
#include "inputheightmap.h"
#include <QPushButton>
#include <QPainter>
#include "dialogheightmap.h"
class SmallPreviewHeightMap:public QWidget
{
public:
SmallPreviewHeightMap(QWidget* parent, HeightMap* value) : QWidget(parent)
{
_value = value;
}
void paintEvent(QPaintEvent* event)
{
QPainter painter(this);
painter.fillRect(this->rect(), Qt::black);
}
HeightMap* _value;
};
InputHeightMap::InputHeightMap(QWidget* form, QString label, HeightMap* value) : BaseInput(form, label)
{
_value = value;
_preview = new SmallPreviewHeightMap(form, value);
_preview->setMinimumSize(100, 40);
_control = new QPushButton(tr("Paint"), form);
_control->setMaximumWidth(150);
connect((QPushButton*)_control, SIGNAL(clicked()), this, SLOT(editHeightMap()));
}
void InputHeightMap::updatePreview()
{
_preview->update();
BaseInput::updatePreview();
}
void InputHeightMap::applyValue()
{
BaseInput::applyValue();
}
void InputHeightMap::revert()
{
BaseInput::revert();
}
void InputHeightMap::editHeightMap()
{
if (DialogHeightMap::editHeightMap(_control, _value))
{
applyValue();
}
}

28
gui_qt/inputheightmap.h Normal file
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@ -0,0 +1,28 @@
#ifndef _PAYSAGES_QT_INPUTHEIGHTMAP_H_
#define _PAYSAGES_QT_INPUTHEIGHTMAP_H_
#include <QWidget>
#include "baseinput.h"
#include "../lib_paysages/heightmap.h"
class InputHeightMap:public BaseInput
{
Q_OBJECT
public:
InputHeightMap(QWidget* form, QString label, HeightMap* value);
public slots:
virtual void updatePreview();
virtual void applyValue();
virtual void revert();
private slots:
void editHeightMap();
private:
HeightMap* _value;
};
#endif

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@ -0,0 +1,98 @@
#include "widgetheightmap.h"
#include <QTime>
#include <math.h>
#include <GL/glu.h>
#include "tools.h"
WidgetHeightMap::WidgetHeightMap(QWidget *parent, HeightMap* heightmap):
QGLWidget(parent)
{
setMinimumSize(500, 500);
setFocusPolicy(Qt::StrongFocus);
_average_frame_time = 0.0;
_last_mouse_x = 0;
_last_mouse_y = 0;
}
WidgetHeightMap::~WidgetHeightMap()
{
}
void WidgetHeightMap::keyPressEvent(QKeyEvent* event)
{
}
void WidgetHeightMap::mousePressEvent(QMouseEvent* event)
{
}
void WidgetHeightMap::mouseMoveEvent(QMouseEvent* event)
{
}
void WidgetHeightMap::wheelEvent(QWheelEvent* event)
{
}
void WidgetHeightMap::initializeGL()
{
glClearColor(0.0, 0.0, 0.0, 0.0);
glDisable(GL_LIGHTING);
glFrontFace(GL_CCW);
glCullFace(GL_BACK);
glEnable(GL_CULL_FACE);
glDepthFunc(GL_LESS);
glDepthMask(true);
glEnable(GL_DEPTH_TEST);
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glEnable(GL_LINE_SMOOTH);
glLineWidth(1.0);
glDisable(GL_FOG);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void WidgetHeightMap::resizeGL(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
//gluPerspective(_current_camera.yfov * 180.0 / M_PI, _current_camera.xratio, _current_camera.znear, _current_camera.zfar);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
void WidgetHeightMap::paintGL()
{
GLenum error_code;
QTime start_time;
double frame_time;
start_time = QTime::currentTime();
// Place camera
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//gluLookAt(_current_camera.location.x, _current_camera.location.y, _current_camera.location.z, _current_camera.target.x, _current_camera.target.y, _current_camera.target.z, _current_camera.up.x, _current_camera.up.y, _current_camera.up.z);
// Background
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Time stats
frame_time = 0.001 * (double)start_time.msecsTo(QTime::currentTime());
_average_frame_time = _average_frame_time * 0.8 + frame_time * 0.2;
//printf("%d %f\n", quality, average_frame_time);
while ((error_code = glGetError()) != GL_NO_ERROR)
{
logDebug(QString("[OpenGL] ERROR : ") + (const char*)gluErrorString(error_code));
}
}

30
gui_qt/widgetheightmap.h Normal file
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@ -0,0 +1,30 @@
#ifndef _PAYSAGES_QT_WIDGETHEIGHTMAP_H_
#define _PAYSAGES_QT_WIDGETHEIGHTMAP_H_
#include <QGLWidget>
#include "../lib_paysages/heightmap.h"
class WidgetHeightMap : public QGLWidget
{
Q_OBJECT
public:
WidgetHeightMap(QWidget* parent, HeightMap* heightmap);
~WidgetHeightMap();
protected:
void keyPressEvent(QKeyEvent* event);
void mousePressEvent(QMouseEvent* event);
void mouseMoveEvent(QMouseEvent* event);
void wheelEvent(QWheelEvent* event);
void initializeGL();
void resizeGL(int w, int h);
void paintGL();
private:
double _average_frame_time;
int _last_mouse_x;
int _last_mouse_y;
};
#endif

56
lib_paysages/heightmap.c Normal file
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@ -0,0 +1,56 @@
#include "heightmap.h"
#include <stdlib.h>
#include <string.h>
HeightMap heightmapCreate()
{
HeightMap result;
result.data = malloc(sizeof(double));
result.resolution_x = 1;
result.resolution_z = 1;
return result;
}
void heightmapDelete(HeightMap* heightmap)
{
free(heightmap->data);
}
void heightmapCopy(HeightMap* source, HeightMap* destination)
{
destination->resolution_x = source->resolution_x;
destination->resolution_z = source->resolution_z;
destination->data = realloc(destination->data, sizeof(double) * destination->resolution_x * destination->resolution_z);
memcpy(destination->data, source->data, sizeof(double) * destination->resolution_x * destination->resolution_z);
}
void heightmapValidate(HeightMap* heightmap)
{
}
void heightmapSave(PackStream* stream, HeightMap* heightmap)
{
int i;
packWriteInt(stream, &heightmap->resolution_x);
packWriteInt(stream, &heightmap->resolution_z);
for (i = 0; i < heightmap->resolution_x * heightmap->resolution_z; i++)
{
packWriteDouble(stream, &heightmap->data[i]);
}
}
void heightmapLoad(PackStream* stream, HeightMap* heightmap)
{
int i;
packReadInt(stream, &heightmap->resolution_x);
packReadInt(stream, &heightmap->resolution_z);
for (i = 0; i < heightmap->resolution_x * heightmap->resolution_z; i++)
{
packReadDouble(stream, &heightmap->data[i]);
}
}

31
lib_paysages/heightmap.h Normal file
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@ -0,0 +1,31 @@
#ifndef _PAYSAGES_HEIGHTMAP_H_
#define _PAYSAGES_HEIGHTMAP_H_
/* Height map for terrain */
#include "pack.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct
{
int resolution_x;
int resolution_z;
double* data;
} HeightMap;
HeightMap heightmapCreate();
void heightmapDelete(HeightMap* heightmap);
void heightmapCopy(HeightMap* source, HeightMap* destination);
void heightmapValidate(HeightMap* heightmap);
void heightmapSave(PackStream* stream, HeightMap* heightmap);
void heightmapLoad(PackStream* stream, HeightMap* heightmap);
#ifdef __cplusplus
}
#endif
#endif

View file

@ -13,9 +13,7 @@ TerrainCanvas* terrainCanvasCreate()
result->area.size_x = 1.0;
result->area.size_z = 1.0;
result->offset_z = 0.0;
result->height_map.data = malloc(sizeof(double));
result->height_map.resolution_x = 1;
result->height_map.resolution_z = 1;
result->height_map = heightmapCreate();
result->height_factor = 1.0;
result->detail_noise = noiseCreateGenerator();
result->detail_height_factor = 0.1;
@ -28,7 +26,7 @@ TerrainCanvas* terrainCanvasCreate()
void terrainCanvasDelete(TerrainCanvas* canvas)
{
free(canvas->height_map.data);
heightmapDelete(&canvas->height_map);
noiseDeleteGenerator(canvas->detail_noise);
free(canvas);
}
@ -37,11 +35,8 @@ void terrainCanvasCopy(TerrainCanvas* source, TerrainCanvas* destination)
{
destination->area = source->area;
destination->offset_z = source->offset_z;
destination->height_map.resolution_x = source->height_map.resolution_x;
destination->height_map.resolution_z = source->height_map.resolution_z;
destination->height_map.data = realloc(destination->height_map.data, sizeof(double) * destination->height_map.resolution_x * destination->height_map.resolution_z);
memcpy(destination->height_map.data, source->height_map.data, sizeof(double) * destination->height_map.resolution_x * destination->height_map.resolution_z);
destination->height_factor = source->height_factor;
heightmapCopy(&source->height_map, &destination->height_map);
noiseCopy(source->detail_noise, destination->detail_noise);
destination->detail_height_factor = source->detail_height_factor;
destination->detail_scaling = source->detail_scaling;
@ -55,6 +50,7 @@ void terrainCanvasValidate(TerrainCanvas* canvas)
{
canvas->detail_scaling = 0.00001;
}
heightmapValidate(&canvas->height_map);
noiseValidate(canvas->detail_noise);
}
@ -74,20 +70,13 @@ LayerType terrainCanvasGetLayerType()
void terrainCanvasSave(PackStream* stream, TerrainCanvas* canvas)
{
int i;
packWriteInt(stream, &canvas->area.bounded);
packWriteDouble(stream, &canvas->area.location_x);
packWriteDouble(stream, &canvas->area.location_z);
packWriteDouble(stream, &canvas->area.size_x);
packWriteDouble(stream, &canvas->area.size_z);
packWriteDouble(stream, &canvas->offset_z);
packWriteInt(stream, &canvas->height_map.resolution_x);
packWriteInt(stream, &canvas->height_map.resolution_z);
for (i = 0; i < canvas->height_map.resolution_x * canvas->height_map.resolution_z; i++)
{
packWriteDouble(stream, &canvas->height_map.data[i]);
}
heightmapSave(stream, &canvas->height_map);
packWriteDouble(stream, &canvas->height_factor);
noiseSaveGenerator(stream, canvas->detail_noise);
packWriteDouble(stream, &canvas->detail_height_factor);
@ -98,21 +87,13 @@ void terrainCanvasSave(PackStream* stream, TerrainCanvas* canvas)
void terrainCanvasLoad(PackStream* stream, TerrainCanvas* canvas)
{
int i;
packReadInt(stream, &canvas->area.bounded);
packReadDouble(stream, &canvas->area.location_x);
packReadDouble(stream, &canvas->area.location_z);
packReadDouble(stream, &canvas->area.size_x);
packReadDouble(stream, &canvas->area.size_z);
packReadDouble(stream, &canvas->offset_z);
packReadInt(stream, &canvas->height_map.resolution_x);
packReadInt(stream, &canvas->height_map.resolution_z);
canvas->height_map.data = realloc(canvas->height_map.data, sizeof(double) * canvas->height_map.resolution_x * canvas->height_map.resolution_z);
for (i = 0; i < canvas->height_map.resolution_x * canvas->height_map.resolution_z; i++)
{
packReadDouble(stream, &canvas->height_map.data[i]);
}
heightmapLoad(stream, &canvas->height_map);
packReadDouble(stream, &canvas->height_factor);
noiseLoadGenerator(stream, canvas->detail_noise);
packReadDouble(stream, &canvas->detail_height_factor);

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@ -7,6 +7,7 @@
#include "noise.h"
#include "terrain.h"
#include "layers.h"
#include "heightmap.h"
#ifdef __cplusplus
extern "C" {
@ -21,13 +22,6 @@ typedef struct
double size_z;
} GeoArea;
typedef struct
{
int resolution_x;
int resolution_z;
double* data;
} HeightMap;
#define TERRAINCANVAS_MASKMODE_SQUARE 0
#define TERRAINCANVAS_MASKMODE_CIRCLE 1