paysages3d/gui_qt/formclouds.cpp

208 lines
6.3 KiB
C++

#include "formclouds.h"
#include "../lib_paysages/clouds.h"
#include "../lib_paysages/color.h"
#include "../lib_paysages/euclid.h"
#include "../lib_paysages/scenery.h"
#include "../lib_paysages/shared/constants.h"
#include "tools.h"
static CloudsDefinition _definition;
static CloudsLayerDefinition _layer;
/**************** Previews ****************/
class PreviewCloudsCoverage:public BasePreview
{
public:
PreviewCloudsCoverage(QWidget* parent):BasePreview(parent)
{
_renderer = rendererCreate();
_renderer.render_quality = 3;
_preview_layer = cloudsLayerCreateDefinition();
configScaling(100.0, 1000.0, 20.0, 200.0);
}
protected:
QColor getColor(double x, double y)
{
Vector3 eye, look;
Color color_layer, result;
eye.x = 0.0;
eye.y = scaling;
eye.z = -10.0 * scaling;
look.x = x * 0.01 / scaling;
look.y = -y * 0.01 / scaling - 0.3;
look.z = 1.0;
look = v3Normalize(look);
result = COLOR_BLUE;
color_layer = cloudsGetLayerColor(&_preview_layer, &_renderer, eye, v3Add(eye, v3Scale(look, 1000.0)));
colorMask(&result, &color_layer);
return colorToQColor(result);
}
void updateData()
{
cloudsLayerCopyDefinition(&_layer, &_preview_layer);
}
private:
Renderer _renderer;
CloudsLayerDefinition _preview_layer;
};
class PreviewCloudsColor:public BasePreview
{
public:
PreviewCloudsColor(QWidget* parent):BasePreview(parent)
{
LightDefinition light;
_preview_layer = cloudsLayerCreateDefinition();
_lighting = lightingCreateDefinition();
light.color = COLOR_WHITE;
light.amplitude = 0.0;
light.direction.x = -1.0;
light.direction.y = -1.0;
light.direction.z = 1.0;
light.direction = v3Normalize(light.direction);
light.filtered = 0;
light.masked = 1;
light.reflection = 1.0;
lightingAddLight(&_lighting, light);
lightingValidateDefinition(&_lighting);
_renderer = rendererCreate();
_renderer.render_quality = 3;
_renderer.applyLightingToSurface = _applyLightingToSurface;
_renderer.maskLight = _maskLight;
_renderer.customData[0] = &_preview_layer;
_renderer.customData[1] = &_lighting;
configScaling(100.0, 400.0, 20.0, 200.0);
}
protected:
QColor getColor(double x, double y)
{
Vector3 start, end;
Color color_layer, result;
start.x = x;
start.y = -y;
start.z = 100.0;
end.x = x;
end.y = -y;
end.z = -100.0;
result = COLOR_BLUE;
color_layer = cloudsGetLayerColor(&_preview_layer, &_renderer, start, end);
colorMask(&result, &color_layer);
return colorToQColor(result);
}
void updateData()
{
cloudsLayerCopyDefinition(&_layer, &_preview_layer);
_preview_layer.ymin = -100.0;
_preview_layer.ycenter = 0.0;
_preview_layer.ymax = 100.0;
_preview_layer.customcoverage = _coverageFunc;
}
private:
Renderer _renderer;
CloudsLayerDefinition _preview_layer;
LightingDefinition _lighting;
static double _coverageFunc(CloudsLayerDefinition* layer, Vector3 position)
{
double dist = v3Norm(position);
if (dist >= 100.0)
{
return 0.0;
}
else
{
return 1.0 - dist / 100.0;
}
}
static Color _applyLightingToSurface(Renderer* renderer, Vector3 location, Vector3 normal, SurfaceMaterial material)
{
return lightingApplyToSurface((LightingDefinition*)renderer->customData[1], renderer, location, normal, material);
}
static Color _maskLight(Renderer* renderer, Color light_color, Vector3 at_location, Vector3 light_location, Vector3 direction_to_light)
{
return cloudsLayerFilterLight((CloudsLayerDefinition*)renderer->customData[0], renderer, light_color, at_location, light_location, direction_to_light);
}
};
/**************** Form ****************/
FormClouds::FormClouds(QWidget *parent):
BaseForm(parent, false, true)
{
_definition = cloudsCreateDefinition();
_layer = cloudsLayerCreateDefinition();
addPreview(new PreviewCloudsCoverage(parent), tr("Layer coverage (no lighting)"));
addPreview(new PreviewCloudsColor(parent), tr("Color and lighting"));
addInputDouble(tr("Start altitude"), &_layer.ymin, -10.0, 250.0, 0.5, 5.0);
addInputDouble(tr("Max density altitude"), &_layer.ycenter, -10.0, 250.0, 0.5, 5.0);
addInputDouble(tr("End altitude"), &_layer.ymax, -10.0, 250.0, 0.5, 5.0);
addInputNoise(tr("Noise"), _layer.noise);
addInputDouble(tr("Coverage"), &_layer.coverage, 0.0, 1.0, 0.01, 0.1);
addInputDouble(tr("Scaling"), &_layer.scaling, 1.0, 100.0, 0.5, 5.0);
addInputColor(tr("Base color"), &_layer.material.base);
addInputDouble(tr("Light reflection"), &_layer.material.reflection, 0.0, 1.0, 0.01, 0.1);
addInputDouble(tr("Light reflection shininess"), &_layer.material.shininess, 0.0, 20.0, 0.1, 1.0);
addInputDouble(tr("Transparency depth"), &_layer.transparencydepth, 0.0, 100.0, 0.5, 5.0);
addInputDouble(tr("Light traversal depth"), &_layer.lighttraversal, 0.0, 100.0, 0.5, 5.0);
addInputDouble(tr("Minimum lighting"), &_layer.minimumlight, 0.0, 1.0, 0.01, 0.1);
revertConfig();
}
void FormClouds::revertConfig()
{
sceneryGetClouds(&_definition);
setLayerCount(cloudsGetLayerCount(&_definition));
BaseForm::revertConfig();
}
void FormClouds::applyConfig()
{
scenerySetClouds(&_definition);
BaseForm::applyConfig();
}
void FormClouds::configChangeEvent()
{
cloudsLayerCopyDefinition(&_layer, cloudsGetLayer(&_definition, currentLayer()));
cloudsValidateDefinition(&_definition);
BaseForm::configChangeEvent();
}
void FormClouds::layerAddedEvent()
{
if (cloudsAddLayer(&_definition) >= 0)
{
BaseForm::layerAddedEvent();
}
}
void FormClouds::layerDeletedEvent(int layer)
{
cloudsDeleteLayer(&_definition, layer);
BaseForm::layerDeletedEvent(layer);
}
void FormClouds::layerSelectedEvent(int layer)
{
cloudsLayerCopyDefinition(cloudsGetLayer(&_definition, layer), &_layer);
BaseForm::layerSelectedEvent(layer);
}