287 lines
8.3 KiB
C++
287 lines
8.3 KiB
C++
#include "formwater.h"
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#include <QColor>
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#include <QSlider>
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#include <cmath>
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#include "tools/euclid.h"
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#include "tools/lighting.h"
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#include "renderer.h"
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#include "water/public.h"
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#include "terrain/public.h"
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#include "atmosphere/public.h"
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#include "tools.h"
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#include "Scenery.h"
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#include "BasePreview.h"
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#include "camera.h"
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static WaterDefinition* _definition;
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/**************** Previews ****************/
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class PreviewWaterCoverage : public BasePreview
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{
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public:
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PreviewWaterCoverage(QWidget* parent) : BasePreview(parent)
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{
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_renderer = rendererCreate();
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waterAlterPreviewCoverageRenderer(_renderer);
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_highlight_enabled = true;
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addOsd(QString("geolocation"));
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addToggle("highlight", tr("Coverage highlight"), true);
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configScaling(20.0, 1000.0, 20.0, 200.0);
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configScrolling(-1000.0, 1000.0, 0.0, -1000.0, 1000.0, 0.0);
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}
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protected:
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Color getColor(double x, double y)
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{
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return waterGetPreviewCoverage(_renderer, x, y, scaling, _highlight_enabled ? 1 : 0);
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}
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void updateData()
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{
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WaterRendererClass.bind(_renderer, _definition);
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// TODO Do this only on full refresh
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TerrainDefinition* terrain = (TerrainDefinition*) TerrainDefinitionClass.create();
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sceneryGetTerrain(terrain);
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TerrainRendererClass.bind(_renderer, terrain);
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TerrainDefinitionClass.destroy(terrain);
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}
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void toggleChangeEvent(QString key, bool value)
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{
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if (key == "highlight")
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{
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_highlight_enabled = value;
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redraw();
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}
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}
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private:
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Renderer* _renderer;
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bool _highlight_enabled;
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};
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class PreviewWaterColor : public BasePreview
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{
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public:
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PreviewWaterColor(QWidget* parent) : BasePreview(parent)
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{
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_background = 0;
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_lighting_enabled = false;
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_renderer = rendererCreate();
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_renderer->atmosphere->getLightingStatus = _getLightingStatus;
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_renderer->rayWalking = _rayWalking;
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_renderer->customData[0] = this;
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//cameraSetTarget(&_renderer->render_camera, 0.0, 0.0, 0.0);
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configScaling(10.0, 1000.0, 10.0, 250.0);
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//configScrolling(-30.0, 30.0, 0.0, -20.0, 20.0, 0.0);
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addChoice("bg", tr("Background"), QStringList(tr("None")) << tr("Grid") << tr("Sinusoid"), 2);
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addToggle("light", tr("Light reflection"), true);
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}
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int _background;
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bool _lighting_enabled;
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protected:
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Color getColor(double x, double y)
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{
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Vector3 eye, look;
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double target_x, target_z;
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eye.x = 0.0;
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eye.y = scaling;
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eye.z = -10.0 * scaling;
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look.x = x * 0.01 / scaling;
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look.y = -y * 0.01 / scaling - 0.3;
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look.z = 1.0;
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look = v3Normalize(look);
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if (look.y > -0.0001)
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{
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return _rayWalking(_renderer, eye, look, 0, 0, 0, 0).hit_color;
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}
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target_x = eye.x - look.x * eye.y / look.y;
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target_z = eye.z - look.z * eye.y / look.y;
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if (target_z > 0.0)
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{
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return _rayWalking(_renderer, eye, look, 0, 0, 0, 0).hit_color;
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}
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return _renderer->water->getResult(_renderer, target_x, target_z).final;
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}
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void cameraEvent()
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{
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Vector3 camera_location = {0.0, scaling, -10.0 * scaling};
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cameraSetLocation(_renderer->render_camera, camera_location);
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}
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static double _getWaterHeight(Renderer*)
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{
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return 0.0;
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}
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void updateData()
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{
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WaterRendererClass.bind(_renderer, _definition);
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_renderer->terrain->getWaterHeight = _getWaterHeight;
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}
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void choiceChangeEvent(const QString& key, int position)
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{
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if (key == "bg")
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{
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_background = position;
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redraw();
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}
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}
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void toggleChangeEvent(QString key, bool value)
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{
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if (key == "light")
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{
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_lighting_enabled = value;
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redraw();
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}
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}
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private:
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Renderer* _renderer;
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static RayCastingResult _rayWalking(Renderer* renderer, Vector3 location, Vector3 direction, int, int, int, int)
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{
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RayCastingResult result;
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PreviewWaterColor* preview = (PreviewWaterColor*) renderer->customData[0];
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double x, y;
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result.hit = 1;
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if (direction.z < 0.0001)
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{
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result.hit_color = COLOR_WHITE;
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result.hit_location = location;
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}
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else
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{
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x = location.x + direction.x * (0.0 - location.z) / direction.z;
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y = location.y + direction.y * (0.0 - location.z) / direction.z;
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switch (preview->_background)
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{
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case 1:
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result.hit_color = (((int) ceil(x * 0.2) % 2 == 0) ^ ((int) ceil(y * 0.2 - 0.5) % 2 == 0)) ? COLOR_WHITE : COLOR_BLACK;
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break;
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case 2:
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result.hit_color = (y * 0.1 > x * 0.03 + sin(x - M_PI_2)) ? COLOR_WHITE : COLOR_BLACK;
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break;
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default:
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result.hit_color = COLOR_WHITE;
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}
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result.hit_location.x = x;
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result.hit_location.y = y;
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result.hit_location.z = 0.0;
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if (result.hit_location.y < 0.0)
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{
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if (result.hit_location.y < -renderer->water->definition->lighting_depth)
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{
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result.hit_color = COLOR_BLACK;
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}
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else
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{
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double attenuation = -result.hit_location.y / renderer->water->definition->lighting_depth;
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result.hit_color.r *= 1.0 - attenuation;
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result.hit_color.g *= 1.0 - attenuation;
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result.hit_color.b *= 1.0 - attenuation;
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}
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}
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}
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return result;
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}
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static void _getLightingStatus(Renderer* renderer, LightStatus* status, Vector3, int)
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{
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LightDefinition light;
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PreviewWaterColor* preview = (PreviewWaterColor*) renderer->customData[0];
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light.color = COLOR_WHITE;
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light.direction.x = 0.0;
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light.direction.y = -0.4794;
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light.direction.z = -0.8776;
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light.altered = 0;
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if (preview->_lighting_enabled)
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{
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light.reflection = 1.0;
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}
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else
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{
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light.reflection = 0.0;
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}
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lightingPushLight(status, &light);
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}
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};
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/**************** Form ****************/
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FormWater::FormWater(QWidget *parent) :
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BaseForm(parent)
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{
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addAutoPreset(tr("Lake surface"));
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addAutoPreset(tr("Standard sea"));
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_definition = (WaterDefinition*) WaterDefinitionClass.create();
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previewCoverage = new PreviewWaterCoverage(this);
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previewColor = new PreviewWaterColor(this);
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addPreview(previewCoverage, tr("Coverage preview"));
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addPreview(previewColor, tr("Rendered preview"));
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//addInputDouble(tr("Height"), &_definition->height, -15.0, 15.0, 0.1, 1.0);
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addInputMaterial(tr("Surface material"), &_definition->material);
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addInputColor(tr("Depth color"), &_definition->depth_color);
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addInputDouble(tr("Transparency"), &_definition->transparency, 0.0, 1.0, 0.001, 0.1);
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addInputDouble(tr("Reflection"), &_definition->reflection, 0.0, 1.0, 0.001, 0.1);
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addInputDouble(tr("Transparency distance"), &_definition->transparency_depth, 0.0, 20.0, 0.1, 1.0);
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addInputDouble(tr("Light-through distance"), &_definition->lighting_depth, 0.0, 20.0, 0.1, 1.0);
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addInputDouble(tr("Waves scaling"), &_definition->scaling, 0.02, 2.0, 0.02, 0.2);
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addInputDouble(tr("Waves height"), &_definition->waves_height, 0.0, 2.0, 0.02, 0.2);
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addInputDouble(tr("Waves detail"), &_definition->detail_height, 0.0, 0.3, 0.003, 0.03);
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addInputDouble(tr("Waves turbulence"), &_definition->turbulence, 0.0, 0.5, 0.005, 0.05);
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addInputDouble(tr("Foam coverage"), &_definition->foam_coverage, 0.0, 1.0, 0.01, 0.1);
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addInputMaterial(tr("Foam material"), &_definition->foam_material);
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revertConfig();
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}
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void FormWater::revertConfig()
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{
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sceneryGetWater(_definition);
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BaseForm::revertConfig();
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}
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void FormWater::applyConfig()
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{
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scenerySetWater(_definition);
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BaseForm::applyConfig();
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}
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void FormWater::configChangeEvent()
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{
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WaterDefinitionClass.validate(_definition);
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BaseForm::configChangeEvent();
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}
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void FormWater::autoPresetSelected(int preset)
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{
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waterAutoPreset(_definition, (WaterPreset) preset);
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BaseForm::autoPresetSelected(preset);
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}
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