paysages3d/gui_qt/formrender.cpp

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#include "formrender.h"
#include <QFileDialog>
#include <QMessageBox>
#include "dialogrender.h"
#include "inputcamera.h"
#include "tools.h"
#include "../lib_paysages/render.h"
#include "../lib_paysages/scenery.h"
/**************** Previews ****************/
class PreviewRenderLandscape:public BasePreview
{
public:
PreviewRenderLandscape(QWidget* parent):BasePreview(parent)
{
_renderer = rendererCreate();
_renderer.applyTextures = _applyTextures;
_renderer.getTerrainHeight = _getTerrainHeight;
_renderer.applyLightingToSurface = _applyLightingToSurface;
_renderer.maskLight = _maskLight;
_renderer.camera_location.x = 0.0;
_renderer.camera_location.y = 50.0;
_renderer.camera_location.z = 0.0;
_terrain = terrainCreateDefinition();
_textures = texturesCreateDefinition();
_lighting = lightingCreateDefinition();
_water = waterCreateDefinition();
_renderer.customData[0] = &_terrain;
_renderer.customData[1] = &_textures;
_renderer.customData[2] = &_lighting;
_renderer.customData[3] = &_water;
configScaling(0.5, 200.0, 1.0, 50.0);
configScrolling(-1000.0, 1000.0, 0.0, -1000.0, 1000.0, 0.0);
}
protected:
QColor getColor(double x, double y)
{
Vector3 down = {0.0, -1.0, 0.0};
Vector3 location;
double height = terrainGetHeight(&_terrain, x, y);
if (height < _water.height)
{
location.x = x;
location.y = _water.height;
location.z = y;
return colorToQColor(waterGetColor(&_water, &_renderer, location, down));
}
else
{
return colorToQColor(terrainGetColor(&_terrain, &_renderer, x, y, scaling));
}
}
void updateData()
{
sceneryGetTerrain(&_terrain);
sceneryGetLighting(&_lighting);
sceneryGetTextures(&_textures);
sceneryGetWater(&_water);
}
private:
Renderer _renderer;
TerrainDefinition _terrain;
WaterDefinition _water;
TexturesDefinition _textures;
LightingDefinition _lighting;
static double _getTerrainHeight(Renderer* renderer, double x, double z)
{
return terrainGetHeight((TerrainDefinition*)(renderer->customData[0]), x, z);
}
static Color _applyTextures(Renderer* renderer, Vector3 location, double precision)
{
return texturesGetColor((TexturesDefinition*)(renderer->customData[1]), renderer, location.x, location.z, precision);
}
static Color _applyLightingToSurface(Renderer* renderer, Vector3 location, Vector3 normal, SurfaceMaterial material)
{
return lightingApplyToSurface((LightingDefinition*)renderer->customData[2], renderer, location, normal, material);
}
static Color _maskLight(Renderer* renderer, Color light_color, Vector3 at_location, Vector3 light_location, Vector3 direction_to_light)
{
return terrainLightFilter((TerrainDefinition*)(renderer->customData[0]), renderer, light_color, at_location, light_location, direction_to_light);
}
};
/**************** Form ****************/
FormRender::FormRender(QWidget *parent) :
BaseForm(parent, true)
{
QPushButton* button;
_quality = 5;
_width = 800;
_height = 600;
_camera = cameraCreateDefinition();
_renderer_inited = false;
_preview_landscape = new PreviewRenderLandscape(this);
addPreview(_preview_landscape, QString(tr("Top-down preview")));
addInput(new InputCamera(this, tr("Camera"), &_camera));
addInputInt(tr("Quality"), &_quality, 1, 10, 1, 1);
addInputInt(tr("Image width"), &_width, 100, 2000, 10, 100);
addInputInt(tr("Image height"), &_height, 100, 2000, 10, 100);
button = addButton(tr("Start new render"));
connect(button, SIGNAL(clicked()), this, SLOT(startRender()));
button = addButton(tr("Show last render"));
connect(button, SIGNAL(clicked()), this, SLOT(showRender()));
button = addButton(tr("Save last render"));
connect(button, SIGNAL(clicked()), this, SLOT(saveRender()));
revertConfig();
}
FormRender::~FormRender()
{
if (_renderer_inited)
{
rendererDelete(&_renderer);
}
}
void FormRender::revertConfig()
{
sceneryGetCamera(&_camera);
BaseForm::revertConfig();
}
void FormRender::applyConfig()
{
scenerySetCamera(&_camera);
BaseForm::applyConfig();
}
void FormRender::configChangeEvent()
{
cameraValidateDefinition(&_camera, 1);
BaseForm::configChangeEvent();
}
void FormRender::startQuickRender()
{
if (_renderer_inited)
{
rendererDelete(&_renderer);
}
_renderer = sceneryCreateStandardRenderer();
_renderer_inited = true;
DialogRender* dialog = new DialogRender(this, &_renderer);
dialog->startRender(3, 400, 300);
delete dialog;
}
void FormRender::startRender()
{
if (_renderer_inited)
{
rendererDelete(&_renderer);
}
_renderer = sceneryCreateStandardRenderer();
_renderer_inited = true;
DialogRender* dialog = new DialogRender(this, &_renderer);
dialog->startRender(_quality, _width, _height);
delete dialog;
}
void FormRender::showRender()
{
if (_renderer_inited)
{
DialogRender* dialog = new DialogRender(this, &_renderer);
dialog->loadLastRender();
delete dialog;
}
}
void FormRender::saveRender()
{
if (_renderer_inited)
{
QString filepath;
filepath = QFileDialog::getSaveFileName(this, tr("Paysages 3D - Choose a filename to save the last render"), QString(), tr("Images (*.png *.jpg)"));
if (!filepath.isNull())
{
if (!filepath.toLower().endsWith(".jpg") && !filepath.toLower().endsWith(".jpeg") && !filepath.toLower().endsWith(".png"))
{
filepath = filepath.append(".png");
}
renderSaveToFile(_renderer.render_area, (char*)filepath.toStdString().c_str());
QMessageBox::information(this, "Message", QString(tr("The picture %1 has been saved.")).arg(filepath));
}
}
}