paysages : Lighting refactoring (WIP).

git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@501 b1fd45b6-86a6-48da-8261-f70d1f35bdcc

cli/main.c

@@ -39,7 +39,7 @@ void _previewUpdate(double progress)
 
 int main(int argc, char** argv)
 {
-    Renderer renderer;
+    Renderer* renderer;
     char* conf_file_path = NULL;
     RenderParams conf_render_params = {800, 600, 1, 5};
     int conf_nb_pictures = 1;
@@ -127,20 +127,20 @@ int main(int argc, char** argv)
     }
 
     renderer = sceneryCreateStandardRenderer();
-    rendererSetPreviewCallbacks(&renderer, NULL, NULL, _previewUpdate);
+    rendererSetPreviewCallbacks(renderer, NULL, NULL, _previewUpdate);
 
     for (outputcount = 0; outputcount < conf_nb_pictures; outputcount++)
     {
         /*autoSetDaytimeFraction(conf_daytime_start);*/ /* TODO */
 
         sprintf(outputpath, "output/pic%05d.png", outputcount);
-        startRender(&renderer, outputpath, conf_render_params);
+        startRender(renderer, outputpath, conf_render_params);
 
         conf_daytime_start += conf_daytime_step;
     }
 
     printf("Cleaning up ...\n");
-    rendererDelete(&renderer);
+    rendererDelete(renderer);
     paysagesQuit();
 
     printf("\rDone.                         \n");

gui_qt/formatmosphere.cpp

@@ -27,14 +27,14 @@ public:
 protected:
     Color getColor(double x, double y)
     {
-        return atmosphereGetPreview(&_renderer, x, -y, M_PI_2);
+        return atmosphereGetPreview(_renderer, x, -y, M_PI_2);
     }
     void updateData()
     {
-        AtmosphereRendererClass.bind(_renderer.atmosphere, _definition);
+        AtmosphereRendererClass.bind(_renderer, _definition);
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
 };
 
 class PreviewSkyWest:public BasePreview
@@ -51,14 +51,14 @@ public:
 protected:
     Color getColor(double x, double y)
     {
-        return atmosphereGetPreview(&_renderer, x, -y, -M_PI_2);
+        return atmosphereGetPreview(_renderer, x, -y, -M_PI_2);
     }
     void updateData()
     {
-        AtmosphereRendererClass.bind(_renderer.atmosphere, _definition);
+        AtmosphereRendererClass.bind(_renderer, _definition);
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
 };
 
 /**************** Form ****************/

gui_qt/formclouds.cpp

@@ -14,7 +14,7 @@ public:
     PreviewCloudsCoverage(QWidget* parent, CloudsLayerDefinition* layer):BasePreview(parent)
     {
         _renderer = rendererCreate();
-        _renderer.render_quality = 5;
+        _renderer->render_quality = 5;
         //_renderer.applyLightStatus = _applyLightStatus;
 
         _original_layer = layer;
@@ -25,6 +25,7 @@ public:
     ~PreviewCloudsCoverage()
     {
         cloudsLayerDeleteDefinition(_preview_layer);
+        rendererDelete(_renderer);
     }
 protected:
     Color getColor(double x, double y)
@@ -39,7 +40,7 @@ protected:
         look.z = 1.0;
         look = v3Normalize(look);
 
-        return cloudsApplyLayer(_preview_layer, COLOR_BLUE, &_renderer, eye, v3Add(eye, v3Scale(look, 1000.0)));
+        return cloudsApplyLayer(_preview_layer, COLOR_BLUE, _renderer, eye, v3Add(eye, v3Scale(look, 1000.0)));
     }
     void updateData()
     {
@@ -51,7 +52,7 @@ protected:
     }
 
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     CloudsLayerDefinition* _original_layer;
     CloudsLayerDefinition* _preview_layer;
 };
@@ -79,10 +80,10 @@ public:
         lightingValidateDefinition(&_lighting);*/
 
         _renderer = rendererCreate();
-        _renderer.render_quality = 8;
+        _renderer->render_quality = 8;
         /*_renderer.alterLight = _alterLight;
         _renderer.getLightStatus = _getLightStatus;*/
-        _renderer.customData[0] = _preview_layer;
+        _renderer->customData[0] = _preview_layer;
         //_renderer.customData[1] = &_lighting;
 
         configScaling(0.5, 2.0, 0.1, 2.0);
@@ -100,7 +101,7 @@ protected:
         end.y = -y * _preview_layer->thickness * 0.5;
         end.z = -_preview_layer->thickness * 0.5;
 
-        return cloudsApplyLayer(_preview_layer, COLOR_BLUE, &_renderer, start, end);
+        return cloudsApplyLayer(_preview_layer, COLOR_BLUE, _renderer, start, end);
     }
     void updateData()
     {
@@ -112,7 +113,7 @@ protected:
         _preview_layer->_custom_coverage = _coverageFunc;
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     CloudsLayerDefinition* _original_layer;
     CloudsLayerDefinition* _preview_layer;
     //LightingDefinition _lighting;

gui_qt/formrender.cpp

@@ -15,10 +15,10 @@ public:
     PreviewRenderLandscape(QWidget* parent):BasePreview(parent)
     {
         _renderer = rendererCreate();
-        _renderer.applyTextures = _applyTextures;
+        _renderer->applyTextures = _applyTextures;
-        _renderer.camera_location.x = 0.0;
+        _renderer->camera_location.x = 0.0;
-        _renderer.camera_location.y = 50.0;
+        _renderer->camera_location.y = 50.0;
-        _renderer.camera_location.z = 0.0;
+        _renderer->camera_location.z = 0.0;
 
         _textures = texturesCreateDefinition();
         _water = waterCreateDefinition();
@@ -26,12 +26,13 @@ public:
         _atmosphere = (AtmosphereDefinition*)AtmosphereDefinitionClass.create();
         _terrain = (TerrainDefinition*)TerrainDefinitionClass.create();
 
-        _renderer.customData[0] = &_terrain;
+        _renderer->customData[0] = &_terrain;
-        _renderer.customData[1] = &_textures;
+        _renderer->customData[1] = &_textures;
-        _renderer.customData[3] = &_water;
+        _renderer->customData[3] = &_water;
 
         addOsd(QString("geolocation"));
 
+        configHdrToneMapping(true);
         configScaling(0.5, 200.0, 3.0, 50.0);
         configScrolling(-1000.0, 1000.0, 0.0, -1000.0, 1000.0, 0.0);
     }
@@ -40,21 +41,21 @@ protected:
     {
         Vector3 down = {0.0, -1.0, 0.0};
         Vector3 location;
-        double height = _renderer.terrain->getHeight(&_renderer, x, y, 1);
+        double height = _renderer->terrain->getHeight(_renderer, x, y, 1);
 
         if (height < _water.height)
         {
             location.x = x;
             location.y = _water.height;
             location.z = y;
-            return waterGetColor(&_water, &_renderer, location, down);
+            return waterGetColor(&_water, _renderer, location, down);
         }
         else
         {
             location.x = x;
             location.y = height;
             location.z = y;
-            return _renderer.terrain->getFinalColor(&_renderer, location, scaling);
+            return _renderer->terrain->getFinalColor(_renderer, location, scaling);
         }
     }
     void updateData()
@@ -63,14 +64,14 @@ protected:
         sceneryGetWater(&_water);
 
         sceneryGetAtmosphere(_atmosphere);
-        AtmosphereRendererClass.bind(_renderer.atmosphere, _atmosphere);
+        AtmosphereRendererClass.bind(_renderer, _atmosphere);
-        _renderer.atmosphere->applyAerialPerspective = _applyAerialPerspective;
+        _renderer->atmosphere->applyAerialPerspective = _applyAerialPerspective;
 
         sceneryGetTerrain(_terrain);
-        TerrainRendererClass.bind(_renderer.terrain, _terrain);
+        TerrainRendererClass.bind(_renderer, _terrain);
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     TerrainDefinition* _terrain;
     WaterDefinition _water;
     TexturesDefinition _textures;
@@ -126,7 +127,7 @@ FormRender::~FormRender()
 {
     if (_renderer_inited)
     {
-        rendererDelete(&_renderer);
+        rendererDelete(_renderer);
     }
 }
 
@@ -174,12 +175,12 @@ void FormRender::startQuickRender()
 {
     if (_renderer_inited)
     {
-        rendererDelete(&_renderer);
+        rendererDelete(_renderer);
     }
     _renderer = sceneryCreateStandardRenderer();
     _renderer_inited = true;
 
-    DialogRender* dialog = new DialogRender(this, &_renderer);
+    DialogRender* dialog = new DialogRender(this, _renderer);
     RenderParams params = {400, 300, 1, 3};
     dialog->startRender(params);
 
@@ -190,12 +191,12 @@ void FormRender::startRender()
 {
     if (_renderer_inited)
     {
-        rendererDelete(&_renderer);
+        rendererDelete(_renderer);
     }
     _renderer = sceneryCreateStandardRenderer();
     _renderer_inited = true;
 
-    DialogRender* dialog = new DialogRender(this, &_renderer);
+    DialogRender* dialog = new DialogRender(this, _renderer);
     dialog->startRender(_params);
 
     delete dialog;
@@ -205,7 +206,7 @@ void FormRender::showRender()
 {
     if (_renderer_inited)
     {
-        DialogRender* dialog = new DialogRender(this, &_renderer);
+        DialogRender* dialog = new DialogRender(this, _renderer);
         dialog->loadLastRender();
 
         delete dialog;
@@ -225,7 +226,7 @@ void FormRender::saveRender()
             {
                 filepath = filepath.append(".png");
             }
-            if (renderSaveToFile(_renderer.render_area, (char*)filepath.toStdString().c_str()))
+            if (renderSaveToFile(_renderer->render_area, (char*)filepath.toStdString().c_str()))
             {
                 QMessageBox::information(this, "Message", QString(tr("The picture %1 has been saved.")).arg(filepath));
             }

gui_qt/formrender.h

@@ -33,7 +33,7 @@ private slots:
 private:
     RenderParams _params;
     CameraDefinition _camera;
-    Renderer _renderer;
+    Renderer* _renderer;
     bool _renderer_inited;
     BasePreview* _preview_landscape;
 };

gui_qt/formterrain.cpp

@@ -24,14 +24,14 @@ public:
 protected:
     Color getColor(double x, double y)
     {
-        return terrainGetPreviewColor(&_renderer, x, -y, scaling);
+        return terrainGetPreviewColor(_renderer, x, -y, scaling);
     }
     void updateData()
     {
-        TerrainRendererClass.bind(_renderer.terrain, _definition);
+        TerrainRendererClass.bind(_renderer, _definition);
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
 };
 
 /**************** Form ****************/

gui_qt/formtextures.cpp

@@ -20,7 +20,7 @@ public:
         _terrain = (TerrainDefinition*)TerrainDefinitionClass.create();
 
         _renderer = rendererCreate();
-        _renderer.render_quality = 3;
+        _renderer->render_quality = 3;
 
         _original_layer = layer;
         _preview_layer = texturesLayerCreateDefinition();
@@ -40,21 +40,21 @@ protected:
         Vector3 location;
         Color result;
         location.x = x;
-        location.y = _renderer.terrain->getHeight(&_renderer, x, y, 1);
+        location.y = _renderer->terrain->getHeight(_renderer, x, y, 1);
         location.z = y;
-        result.r = result.g = result.b = texturesGetLayerCoverage(_preview_layer, &_renderer, location, this->scaling);
+        result.r = result.g = result.b = texturesGetLayerCoverage(_preview_layer, _renderer, location, this->scaling);
         return result;
     }
     void updateData()
     {
         sceneryGetTerrain(_terrain);
-        TerrainRendererClass.bind(_renderer.terrain, _terrain);
+        TerrainRendererClass.bind(_renderer, _terrain);
 
         texturesLayerCopyDefinition(_original_layer, _preview_layer);
     }
 
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     TextureLayerDefinition* _original_layer;
     TextureLayerDefinition* _preview_layer;
     TerrainDefinition* _terrain;
@@ -82,12 +82,12 @@ public:
         lightingValidateDefinition(&_lighting);*/
 
         _renderer = rendererCreate();
-        _renderer.render_quality = 3;
+        _renderer->render_quality = 3;
-        /*_renderer.getLightStatus = _getLightStatus;
+        /*_renderer->getLightStatus = _getLightStatus;
-        _renderer.customData[0] = &_lighting;*/
+        _renderer->customData[0] = &_lighting;*/
-        _renderer.camera_location.x = 0.0;
+        _renderer->camera_location.x = 0.0;
-        _renderer.camera_location.y = 20.0;
+        _renderer->camera_location.y = 20.0;
-        _renderer.camera_location.z = 0.0;
+        _renderer->camera_location.z = 0.0;
 
         _zone = zoneCreate();
 
@@ -105,7 +105,7 @@ protected:
         location.x = x;
         location.y = 0.0;
         location.z = y;
-        return texturesGetLayerColor(_preview_layer, &_renderer, location, this->scaling);
+        return texturesGetLayerColor(_preview_layer, _renderer, location, this->scaling);
     }
     void updateData()
     {
@@ -114,7 +114,7 @@ protected:
     }
 private:
     Zone* _zone;
-    Renderer _renderer;
+    Renderer* _renderer;
     TextureLayerDefinition* _original_layer;
     TextureLayerDefinition* _preview_layer;
     //LightingDefinition _lighting;

gui_qt/formwater.cpp

@@ -35,10 +35,10 @@ protected:
     {
         double height;
 
-        height = _renderer.terrain->getHeight(&_renderer, x, -y, 1);
+        height = _renderer->terrain->getHeight(_renderer, x, -y, 1);
         if (height > _definition.height)
         {
-            return terrainGetPreviewColor(&_renderer, x, -y, scaling);
+            return terrainGetPreviewColor(_renderer, x, -y, scaling);
         }
         else
         {
@@ -53,7 +53,7 @@ protected:
             look.y = -1.0;
             look.z = 0.0;
 
-            base = waterGetColor(&_water, &_renderer, location, look);
+            base = waterGetColor(&_water, _renderer, location, look);
 
             if (_highlight_enabled)
             {
@@ -71,7 +71,7 @@ protected:
         // TODO Do this only on full refresh
         TerrainDefinition* terrain = (TerrainDefinition*)TerrainDefinitionClass.create();
         sceneryGetTerrain(terrain);
-        TerrainRendererClass.bind(_renderer.terrain, terrain);
+        TerrainRendererClass.bind(_renderer, terrain);
         TerrainDefinitionClass.destroy(terrain);
     }
     void toggleChangeEvent(QString key, bool value)
@@ -83,7 +83,7 @@ protected:
         }
     }
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     WaterDefinition _water;
     bool _highlight_enabled;
 };
@@ -112,12 +112,12 @@ public:
         lightingValidateDefinition(&_lighting);*/
 
         _renderer = rendererCreate();
-        _renderer.rayWalking = _rayWalking;
+        _renderer->rayWalking = _rayWalking;
-        /*_renderer.getLightStatus = _getLightStatus;
+        /*_renderer->getLightStatus = _getLightStatus;
-        _renderer.applyLightStatus = _applyLightStatus;*/
+        _renderer->applyLightStatus = _applyLightStatus;*/
-        _renderer.customData[0] = &_water;
+        _renderer->customData[0] = &_water;
-        //_renderer.customData[1] = &_lighting;
+        //_renderer->customData[1] = &_lighting;
-        _renderer.customData[2] = this;
+        _renderer->customData[2] = this;
 
         configScaling(10.0, 1000.0, 10.0, 250.0);
         //configScrolling(-30.0, 30.0, 0.0, -20.0, 20.0, 0.0);
@@ -141,7 +141,7 @@ protected:
 
         if (look.y > -0.0001)
         {
-            return _rayWalking(&_renderer, eye, look, 0, 0, 0, 0).hit_color;
+            return _rayWalking(_renderer, eye, look, 0, 0, 0, 0).hit_color;
         }
 
         location.x = eye.x - look.x * eye.y / look.y;
@@ -150,10 +150,10 @@ protected:
 
         if (location.z > 0.0)
         {
-            return _rayWalking(&_renderer, eye, look, 0, 0, 0, 0).hit_color;
+            return _rayWalking(_renderer, eye, look, 0, 0, 0, 0).hit_color;
         }
 
-        return waterGetColor(&_water, &_renderer, location, look);
+        return waterGetColor(&_water, _renderer, location, look);
     }
     void updateData()
     {
@@ -178,7 +178,7 @@ protected:
     }
 
 private:
-    Renderer _renderer;
+    Renderer* _renderer;
     WaterDefinition _water;
     //LightingDefinition _lighting;
     bool _lighting_enabled;

gui_qt/previewmaterial.cpp

@@ -28,14 +28,14 @@ SmallMaterialPreview::SmallMaterialPreview(QWidget* parent, SurfaceMaterial* mat
     _material = material;
 
     _renderer = rendererCreate();
-    _renderer.camera_location.x = 0.0;
+    _renderer->camera_location.x = 0.0;
-    _renderer.camera_location.x = 0.0;
+    _renderer->camera_location.x = 0.0;
-    _renderer.camera_location.z = 10.0;
+    _renderer->camera_location.z = 10.0;
 }
 
 SmallMaterialPreview::~SmallMaterialPreview()
 {
-    rendererDelete(&_renderer);
+    rendererDelete(_renderer);
 }
 
 Color SmallMaterialPreview::getColor(double x, double y)

gui_qt/previewmaterial.h

@@ -20,7 +20,7 @@ protected:
 private:
     SurfaceMaterial* _material;
     LightStatus* _light;
-    Renderer _renderer;
+    Renderer* _renderer;
 };
 
 class PreviewMaterial:public BasePreview

gui_qt/widgetexplorer.cpp

@@ -68,10 +68,10 @@ WidgetExplorer::WidgetExplorer(QWidget *parent, CameraDefinition* camera):
     sceneryGetTextures(&_textures);
 
     _renderer = sceneryCreateStandardRenderer();
-    _renderer.render_quality = 3;
+    _renderer->render_quality = 3;
-    _renderer.customData[1] = &_textures;
+    _renderer->customData[1] = &_textures;
-    _renderer.customData[3] = &_water;
+    _renderer->customData[3] = &_water;
-    _renderer.applyTextures = _applyTextures;
+    _renderer->applyTextures = _applyTextures;
 
     _updated = false;
 
@@ -84,7 +84,7 @@ WidgetExplorer::WidgetExplorer(QWidget *parent, CameraDefinition* camera):
     {
         for (int j = 0; j < chunks; j++)
         {
-            ExplorerChunkTerrain* chunk = new ExplorerChunkTerrain(&_renderer, start + chunksize * (double)i, start + chunksize * (double)j, chunksize, chunks);
+            ExplorerChunkTerrain* chunk = new ExplorerChunkTerrain(_renderer, start + chunksize * (double)i, start + chunksize * (double)j, chunksize, chunks);
             _chunks.append(chunk);
             _updateQueue.append(chunk);
         }
@@ -93,7 +93,7 @@ WidgetExplorer::WidgetExplorer(QWidget *parent, CameraDefinition* camera):
     // Add skybox
     for (int orientation = 0; orientation < 5; orientation++)
     {
-        ExplorerChunkSky* chunk = new ExplorerChunkSky(&_renderer, 500.0, (SkyboxOrientation)orientation);
+        ExplorerChunkSky* chunk = new ExplorerChunkSky(_renderer, 500.0, (SkyboxOrientation)orientation);
         _chunks.append(chunk);
         _updateQueue.append(chunk);
     }
@@ -116,6 +116,7 @@ WidgetExplorer::~WidgetExplorer()
         delete _chunks[i];
     }
     waterDeleteDefinition(&_water);
+    rendererDelete(_renderer);
 }
 
 void WidgetExplorer::startThreads()
@@ -390,7 +391,7 @@ void WidgetExplorer::paintGL()
     double frame_time;
 
     cameraValidateDefinition(&_current_camera, 1);
-    _renderer.camera_location = _current_camera.location;
+    _renderer->camera_location = _current_camera.location;
 
     start_time = QTime::currentTime();
 

gui_qt/widgetexplorer.h

@@ -39,7 +39,7 @@ private:
     CameraDefinition _current_camera;
     CameraDefinition* _base_camera;
 
-    Renderer _renderer;
+    Renderer* _renderer;
     bool _updated;
 
     QVector<BaseExplorerChunk*> _chunks;

gui_qt/widgetheightmap.cpp

@@ -19,7 +19,7 @@ WidgetHeightMap::WidgetHeightMap(QWidget *parent, TerrainDefinition* terrain):
 
     _terrain = terrain;
     _renderer = rendererCreate();
-    TerrainRendererClass.bind(_renderer.terrain, _terrain);
+    TerrainRendererClass.bind(_renderer, _terrain);
     _vertices = new _VertexInfo[HEIGHTMAP_RESOLUTION * HEIGHTMAP_RESOLUTION];
 
     _dirty = true;
@@ -49,7 +49,7 @@ WidgetHeightMap::WidgetHeightMap(QWidget *parent, TerrainDefinition* terrain):
 
 WidgetHeightMap::~WidgetHeightMap()
 {
-    rendererDelete(&_renderer);
+    rendererDelete(_renderer);
     noiseDeleteGenerator(_brush_noise);
     delete[] _vertices;
 }

gui_qt/widgetheightmap.h

@@ -52,7 +52,7 @@ private:
 
 private:
     TerrainDefinition* _terrain;
-    Renderer _renderer;
+    Renderer* _renderer;
     _VertexInfo* _vertices;
 
     bool _dirty;

lib_paysages/atmosphere/basic.c

@@ -47,9 +47,11 @@ void basicGetLightingStatus(Renderer* renderer, LightStatus* status, Vector3 nor
 
     light.direction = v3Scale(renderer->atmosphere->getSunDirection(renderer), -1.0);
     light.color = renderer->atmosphere->definition->sun_color;
+    /*light.color.r *= 100.0;
+    light.color.g *= 100.0;
+    light.color.b *= 100.0;*/
     light.reflection = 1.0;
-    light.filtered = 1;
+    light.altered = 1;
-    light.masked = 1;
     lightingPushLight(status, &light);
 
     /* TODO Sample other directions */

lib_paysages/atmosphere/bruneton.c

@@ -19,6 +19,7 @@
 /*********************** Constants ***********************/
 
 #define WORLD_SCALING 0.05
+#define GROUND_OFFSET 10.0
 static const double Rg = 6360.0;
 static const double Rt = 6420.0;
 static const double RL = 6421.0;
@@ -1189,7 +1190,7 @@ void brunetonInit()
 
 Color brunetonGetSkyColor(AtmosphereDefinition* definition, Vector3 eye, Vector3 direction, Vector3 sun_position)
 {
-    Vector3 x = {0.0, Rg + (eye.y + WORLD_SCALING) * 0.01, 0.0};
+    Vector3 x = {0.0, Rg + (max(eye.y, 0.0) + GROUND_OFFSET) * WORLD_SCALING, 0.0};
     Vector3 v = v3Normalize(direction);
     Vector3 s = v3Normalize(v3Sub(sun_position, x));
 
@@ -1214,7 +1215,7 @@ Color brunetonApplyAerialPerspective(Renderer* renderer, Vector3 location, Color
     Vector3 direction = v3Scale(v3Sub(location, eye), WORLD_SCALING);
     Vector3 sun_position = v3Scale(renderer->atmosphere->getSunDirection(renderer), 149597870.0);
 
-    Vector3 x = {0.0, Rg + (eye.y + 10.0) * WORLD_SCALING, 0.0};
+    Vector3 x = {0.0, Rg + (max(eye.y, 0.0) + GROUND_OFFSET) * WORLD_SCALING, 0.0};
     Vector3 v = v3Normalize(direction);
     Vector3 s = v3Normalize(v3Sub(sun_position, x));
 
@@ -1237,3 +1238,36 @@ Color brunetonApplyAerialPerspective(Renderer* renderer, Vector3 location, Color
 
     return groundColor; /* Eq (16) */
 }
+
+void brunetonGetLightingStatus(Renderer* renderer, LightStatus* status, Vector3 normal, int opaque)
+{
+    LightDefinition sun, irradiance;
+    double muS;
+
+    double r0 = Rg + (max(lightingGetStatusLocation(status).y, 0.0) + GROUND_OFFSET) * WORLD_SCALING;
+    Vector3 up = {0.0, 1.0, 0.0};
+    Vector3 sun_position = v3Scale(renderer->atmosphere->getSunDirection(renderer), 149597870.0);
+    Vector3 x = {0.0, r0, 0.0};
+    Vector3 s = v3Normalize(v3Sub(sun_position, x));
+
+    muS = v3Dot(up, s);
+    sun.color = _transmittanceWithShadow(r0, muS);
+    sun.color.r *= 100.0;
+    sun.color.g *= 100.0;
+    sun.color.b *= 100.0;
+    sun.direction = s;
+    sun.reflection = 1.0;
+    sun.altered = 1;
+
+    lightingPushLight(status, &sun);
+
+    irradiance.color = _irradiance(_irradianceTexture, r0, muS);
+    irradiance.color.r *= 100.0;
+    irradiance.color.g *= 100.0;
+    irradiance.color.b *= 100.0;
+    irradiance.direction = v3Scale(normal, -1.0);
+    irradiance.reflection = 0.0;
+    irradiance.altered = 0;
+
+    lightingPushLight(status, &irradiance);
+}

lib_paysages/atmosphere/main.c

@@ -331,22 +331,24 @@ static void _deleteRenderer(AtmosphereRenderer* renderer)
     free(renderer);
 }
 
-static void _bindRenderer(AtmosphereRenderer* renderer, AtmosphereDefinition* definition)
+static void _bindRenderer(Renderer* renderer, AtmosphereDefinition* definition)
 {
-    AtmosphereRendererCache* cache = (AtmosphereRendererCache*)renderer->_internal_data;
+    AtmosphereRendererCache* cache = (AtmosphereRendererCache*)renderer->atmosphere->_internal_data;
 
-    AtmosphereDefinitionClass.copy(definition, renderer->definition);
+    AtmosphereDefinitionClass.copy(definition, renderer->atmosphere->definition);
 
-    renderer->getSkyColor = _getSkyColor;
+    renderer->atmosphere->getSkyColor = _getSkyColor;
-    renderer->getLightingStatus = basicGetLightingStatus;
 
     switch (definition->model)
     {
         case ATMOSPHERE_MODEL_BRUNETON:
-            renderer->applyAerialPerspective = brunetonApplyAerialPerspective;
+            renderer->atmosphere->applyAerialPerspective = brunetonApplyAerialPerspective;
+            /*renderer->atmosphere->getLightingStatus = brunetonGetLightingStatus;*/
+            renderer->atmosphere->getLightingStatus = basicGetLightingStatus;
             break;
         default:
-            renderer->applyAerialPerspective = basicApplyAerialPerspective;
+            renderer->atmosphere->applyAerialPerspective = basicApplyAerialPerspective;
+            renderer->atmosphere->getLightingStatus = basicGetLightingStatus;
     }
 
     mutexAcquire(cache->lock);

lib_paysages/atmosphere/preview.c

@@ -149,13 +149,13 @@ Color atmosphereGetPreview(Renderer* renderer, double x, double y, double headin
     }
 }
 
-Renderer atmosphereCreatePreviewRenderer()
+Renderer* atmosphereCreatePreviewRenderer()
 {
-    Renderer result = rendererCreate();
+    Renderer* result = rendererCreate();
 
-    result.camera_location.x = 0.0;
+    result->camera_location.x = 0.0;
-    result.camera_location.y = 7.0;
+    result->camera_location.y = 7.0;
-    result.camera_location.z = 0.0;
+    result->camera_location.z = 0.0;
 
     return result;
 }

lib_paysages/atmosphere/private.h

@@ -11,6 +11,7 @@ void basicGetLightingStatus(Renderer* renderer, LightStatus* status, Vector3 nor
 void brunetonInit();
 Color brunetonGetSkyColor(AtmosphereDefinition* definition, Vector3 eye, Vector3 direction, Vector3 sun_position);
 Color brunetonApplyAerialPerspective(Renderer* renderer, Vector3 location, Color base);
+void brunetonGetLightingStatus(Renderer* renderer, LightStatus* status, Vector3 normal, int opaque);
 
 Color preethamGetSkyColor(AtmosphereDefinition* definition, Vector3 eye, Vector3 direction, Vector3 sun_position);
 

lib_paysages/atmosphere/public.h

@@ -62,7 +62,7 @@ extern StandardRenderer AtmosphereRendererClass;
 
 void atmosphereAutoPreset(AtmosphereDefinition* definition, AtmospherePreset preset);
 void atmosphereRenderSkydome(Renderer* renderer);
-Renderer atmosphereCreatePreviewRenderer();
+Renderer* atmosphereCreatePreviewRenderer();
 Color atmosphereGetPreview(Renderer* renderer, double x, double y, double heading);
 
 #ifdef __cplusplus

lib_paysages/auto.c

@@ -50,7 +50,7 @@ void autoGenRealisticLandscape(int seed)
     texture->material.base.r = 0.6;
     texture->material.base.g = 0.55;
     texture->material.base.b = 0.57;
-    texture->material.reflection = 0.2;
+    texture->material.reflection = 0.02;
     texture->material.shininess = 3.0;
     texture->thickness = 0.001;
     texture->slope_range = 0.001;
@@ -68,7 +68,7 @@ void autoGenRealisticLandscape(int seed)
     texture->material.base.r = 0.12;
     texture->material.base.g = 0.19;
     texture->material.base.b = 0.035;
-    texture->material.reflection = 0.03;
+    texture->material.reflection = 0.003;
     texture->material.shininess = 2.0;
     texture->thickness = 0.02;
     texture->slope_range = 0.03;

lib_paysages/camera.c

@@ -61,7 +61,7 @@ void cameraCopyDefinition(CameraDefinition* source, CameraDefinition* destinatio
 void cameraValidateDefinition(CameraDefinition* definition, int check_above)
 {
     WaterDefinition water;
-    Renderer renderer;
+    Renderer* renderer;
     double water_height, terrain_height, diff;
     Vector3 move;
     Matrix4 rotation;
@@ -74,8 +74,8 @@ void cameraValidateDefinition(CameraDefinition* definition, int check_above)
         waterDeleteDefinition(&water);
 
         renderer = sceneryCreateStandardRenderer();
-        terrain_height = renderer.terrain->getHeight(&renderer, definition->location.x, definition->location.z, 1) + 0.5;
+        terrain_height = renderer->terrain->getHeight(renderer, definition->location.x, definition->location.z, 1) + 0.5;
-        rendererDelete(&renderer);
+        rendererDelete(renderer);
 
         if (definition->location.y < water_height || definition->location.y < terrain_height)
         {

lib_paysages/renderer.c

@@ -74,39 +74,39 @@ static Color _applyClouds(Renderer* renderer, Color base, Vector3 start, Vector3
     return base;
 }
 
-Renderer rendererCreate()
+Renderer* rendererCreate()
 {
-    Renderer result;
+    Renderer* result = malloc(sizeof(Renderer));
     RenderParams params = {1, 1, 1, 5};
 
-    result.render_quality = 5;
+    result->render_quality = 5;
-    result.render_width = 1;
+    result->render_width = 1;
-    result.render_height = 1;
+    result->render_height = 1;
-    result.render_interrupt = 0;
+    result->render_interrupt = 0;
-    result.render_progress = 0.0;
+    result->render_progress = 0.0;
-    result.is_rendering = 0;
+    result->is_rendering = 0;
-    result.render_camera = cameraCreateDefinition();
+    result->render_camera = cameraCreateDefinition();
-    result.camera_location = result.render_camera.location;
+    result->camera_location = result->render_camera.location;
-    result.render_area = renderCreateArea();
+    result->render_area = renderCreateArea();
 
-    renderSetParams(result.render_area, params);
+    renderSetParams(result->render_area, params);
 
-    result.addRenderProgress = _addRenderProgress;
+    result->addRenderProgress = _addRenderProgress;
-    result.getPrecision = _getPrecision;
+    result->getPrecision = _getPrecision;
-    result.projectPoint = _projectPoint;
+    result->projectPoint = _projectPoint;
-    result.unprojectPoint = _unprojectPoint;
+    result->unprojectPoint = _unprojectPoint;
-    result.pushTriangle = _pushTriangle;
+    result->pushTriangle = _pushTriangle;
-    result.pushQuad = _pushQuad;
+    result->pushQuad = _pushQuad;
 
-    result.rayWalking = _rayWalking;
+    result->rayWalking = _rayWalking;
-    result.getWaterHeightInfo = _getWaterHeightInfo;
+    result->getWaterHeightInfo = _getWaterHeightInfo;
-    result.applyTextures = _applyTextures;
+    result->applyTextures = _applyTextures;
-    result.applyClouds = _applyClouds;
+    result->applyClouds = _applyClouds;
 
-    result.lighting = lightingManagerCreate();
+    result->lighting = lightingManagerCreate();
 
-    result.atmosphere = AtmosphereRendererClass.create();
+    result->atmosphere = AtmosphereRendererClass.create();
-    result.terrain = TerrainRendererClass.create();
+    result->terrain = TerrainRendererClass.create();
 
     return result;
 }
@@ -119,6 +119,8 @@ void rendererDelete(Renderer* renderer)
     TerrainRendererClass.destroy(renderer->terrain);
 
     renderDeleteArea(renderer->render_area);
+
+    free(renderer);
 }
 
 void rendererSetPreviewCallbacks(Renderer* renderer, RenderCallbackStart start, RenderCallbackDraw draw, RenderCallbackUpdate update)

lib_paysages/renderer.h

@@ -48,7 +48,7 @@ struct Renderer
     void* customData[10];
 };
 
-Renderer rendererCreate();
+Renderer* rendererCreate();
 void rendererDelete(Renderer* renderer);
 void rendererSetPreviewCallbacks(Renderer* renderer, RenderCallbackStart start, RenderCallbackDraw draw, RenderCallbackUpdate update);
 void rendererStart(Renderer* renderer, RenderParams params);

lib_paysages/scenery.c

@@ -224,25 +224,25 @@ static double _getPrecision(Renderer* renderer, Vector3 location)
     return v3Norm(v3Sub(cameraUnproject(&renderer->render_camera, renderer, projected), location)); // / (double)render_quality;
 }
 
-Renderer sceneryCreateStandardRenderer()
+Renderer* sceneryCreateStandardRenderer()
 {
-    Renderer result;
+    Renderer* result;
 
     result = rendererCreate();
 
-    cameraCopyDefinition(&_camera, &result.render_camera);
+    cameraCopyDefinition(&_camera, &result->render_camera);
-    result.camera_location = _camera.location;
+    result->camera_location = _camera.location;
 
-    result.rayWalking = _rayWalking;
+    result->rayWalking = _rayWalking;
-    result.getWaterHeightInfo = _getWaterHeightInfo;
+    result->getWaterHeightInfo = _getWaterHeightInfo;
-    result.applyTextures = _applyTextures;
+    result->applyTextures = _applyTextures;
-    result.applyClouds = _applyClouds;
+    result->applyClouds = _applyClouds;
-    result.projectPoint = _projectPoint;
+    result->projectPoint = _projectPoint;
-    result.unprojectPoint = _unprojectPoint;
+    result->unprojectPoint = _unprojectPoint;
-    result.getPrecision = _getPrecision;
+    result->getPrecision = _getPrecision;
 
-    AtmosphereRendererClass.bind(result.atmosphere, _atmosphere);
+    AtmosphereRendererClass.bind(result, _atmosphere);
-    TerrainRendererClass.bind(result.terrain, _terrain);
+    TerrainRendererClass.bind(result, _terrain);
 
     return result;
 }

lib_paysages/scenery.h

@@ -49,7 +49,7 @@ void sceneryGetTextures(TexturesDefinition* textures);
 void scenerySetWater(WaterDefinition* water);
 void sceneryGetWater(WaterDefinition* water);
 
-Renderer sceneryCreateStandardRenderer();
+Renderer* sceneryCreateStandardRenderer();
 void sceneryRenderFirstPass(Renderer* renderer);
 
 #ifdef __cplusplus

lib_paysages/terrain/main.c

@@ -193,36 +193,27 @@ static RayCastingResult _castRay(Renderer* renderer, Vector3 start, Vector3 dire
     return result;
 }
 
-static LightDefinition _fakeAlterLight(Renderer* renderer, LightDefinition* light, Vector3 at)
+static int _alterLight(LightDefinition* light, Vector3 location, Renderer* renderer)
-{
-    UNUSED(renderer);
-    UNUSED(at);
-
-    return *light;
-}
-
-static LightDefinition _alterLight(Renderer* renderer, LightDefinition* light, Vector3 location)
 {
     TerrainDefinition* definition = renderer->terrain->definition;
-    LightDefinition result = *light;
     Vector3 inc_vector, direction_to_light;
     double inc_value, inc_base, inc_factor, height, diff, light_factor, smoothing, length;
 
     direction_to_light = v3Scale(light->direction, -1.0);
     if ((fabs(direction_to_light.x) < 0.0001 && fabs(direction_to_light.z) < 0.0001) || definition->height < 0.001)
     {
-        return result;
+        return 0;
     }
     else if (direction_to_light.y < 0.05)
     {
-        result.color = COLOR_BLACK;
+        light->color = COLOR_BLACK;
-        return result;
+        return 1;
     }
     else if (direction_to_light.y < 0.0000)
     {
-        result.color.r *= (0.05 + direction_to_light.y) / 0.05;
+        light->color.r *= (0.05 + direction_to_light.y) / 0.05;
-        result.color.g *= (0.05 + direction_to_light.y) / 0.05;
+        light->color.g *= (0.05 + direction_to_light.y) / 0.05;
-        result.color.b *= (0.05 + direction_to_light.y) / 0.05;
+        light->color.b *= (0.05 + direction_to_light.y) / 0.05;
     }
 
     inc_factor = (double)renderer->render_quality;
@@ -268,16 +259,16 @@ static LightDefinition _alterLight(Renderer* renderer, LightDefinition* light, V
 
     if (light_factor <= 0.0)
     {
-        result.color = COLOR_BLACK;
+        light->color = COLOR_BLACK;
-        return result;
+        return 1;
     }
     else
     {
-        result.color.r *= light_factor;
+        light->color.r *= light_factor;
-        result.color.g *= light_factor;
+        light->color.g *= light_factor;
-        result.color.b *= light_factor;
+        light->color.b *= light_factor;
 
-        return result;
+        return 1;
     }
 }
 
@@ -315,13 +306,15 @@ static void _deleteRenderer(TerrainRenderer* renderer)
     free(renderer);
 }
 
-static void _bindRenderer(TerrainRenderer* renderer, TerrainDefinition* definition)
+static void _bindRenderer(Renderer* renderer, TerrainDefinition* definition)
 {
-    TerrainDefinitionClass.copy(definition, renderer->definition);
+    TerrainDefinitionClass.copy(definition, renderer->terrain->definition);
 
-    renderer->castRay = _castRay;
+    renderer->terrain->castRay = _castRay;
-    renderer->getHeight = _getHeight;
+    renderer->terrain->getHeight = _getHeight;
-    renderer->getFinalColor = _getFinalColor;
+    renderer->terrain->getFinalColor = _getFinalColor;
+
+    lightingManagerRegisterFilter(renderer->lighting, (FuncLightingAlterLight)_alterLight, renderer);
 }
 
 StandardRenderer TerrainRendererClass = {

lib_paysages/terrain/preview.c

@@ -18,15 +18,15 @@ static Color _applyTextures(Renderer* renderer, Vector3 location, double precisi
     return texturesGetColor(&_textures, renderer, location.x, location.z, precision);
 }
 
-Renderer terrainCreatePreviewRenderer()
+Renderer* terrainCreatePreviewRenderer()
 {
-    Renderer result = rendererCreate();
+    Renderer* result = rendererCreate();
 
-    result.render_quality = 3;
+    result->render_quality = 3;
-    result.applyTextures = _applyTextures;
+    result->applyTextures = _applyTextures;
-    result.camera_location.x = 0.0;
+    result->camera_location.x = 0.0;
-    result.camera_location.y = 50.0;
+    result->camera_location.y = 50.0;
-    result.camera_location.z = 0.0;
+    result->camera_location.z = 0.0;
 
     if (!_inited)
     {

lib_paysages/terrain/public.h

@@ -52,7 +52,7 @@ void terrainAutoPreset(TerrainDefinition* definition, TerrainPreset preset);
 void terrainRenderSurface(Renderer* renderer);
 double terrainGetGridHeight(TerrainDefinition* definition, int x, int z, int with_painting);
 
-Renderer terrainCreatePreviewRenderer();
+Renderer* terrainCreatePreviewRenderer();
 Color terrainGetPreviewColor(Renderer* renderer, double x, double z, double detail);
 
 typedef struct

lib_paysages/tools/color.c

@@ -237,6 +237,14 @@ static double _uncharted2Tonemap(double x)
 
 Color colorProfileApply(ColorProfile* profile, Color pixel)
 {
+    /*pixel.r *= 0.4;
+    pixel.g *= 0.4;
+    pixel.b *= 0.4;
+    pixel.r = pixel.r < 1.413 ? pow(pixel.r * 0.38317, 1.0 / 2.2) : 1.0 - exp(-pixel.r);
+    pixel.g = pixel.g < 1.413 ? pow(pixel.g * 0.38317, 1.0 / 2.2) : 1.0 - exp(-pixel.g);
+    pixel.b = pixel.b < 1.413 ? pow(pixel.b * 0.38317, 1.0 / 2.2) : 1.0 - exp(-pixel.b);
+    return pixel;*/
+
     double exposure_bias = 2.0;
     double W = 11.2;
     double white_scale = 1.0 / _uncharted2Tonemap(W);

lib_paysages/tools/lighting.c

@@ -46,6 +46,17 @@ void lightingManagerDelete(LightingManager* filter)
 
 void lightingManagerRegisterFilter(LightingManager* filter, FuncLightingAlterLight callback, void* data)
 {
+    int i;
+
+    for (i = 0; i < filter->callbacks_count; i++)
+    {
+        if (filter->callbacks[i].filter == callback)
+        {
+            filter->callbacks[i].data = data;
+            return;
+        }
+    }
+
     if (filter->callbacks_count < MAX_CALLBACK_COUNT)
     {
         filter->callbacks[filter->callbacks_count].filter = callback;
@@ -80,13 +91,16 @@ void lightingPushLight(LightStatus* status, LightDefinition* light)
         LightingManager* manager = status->manager;
         LightDefinition final = *light;
 
-        for (i = 0; i < manager->callbacks_count; i++)
+        if (light->altered)
         {
-            LightFilterCallback callback = manager->callbacks[i];
+            for (i = 0; i < manager->callbacks_count; i++)
-            LightDefinition temp = final;
-            if (callback.filter(&temp, status->location, callback.data))
             {
-                final = temp;
+                LightFilterCallback callback = manager->callbacks[i];
+                LightDefinition temp = final;
+                if (callback.filter(&temp, status->location, callback.data))
+                {
+                    final = temp;
+                }
             }
         }
 
@@ -110,14 +124,14 @@ Color lightingApplyStatus(LightStatus* status, Vector3 normal, SurfaceMaterial*
         final.b += result.b;
     }
 
-    return result;
+    return final;
 }
 
 Color lightingApplyOneLight(LightDefinition* light, Vector3 eye, Vector3 location, Vector3 normal, SurfaceMaterial* material)
 {
     Color result, light_color;
-    double diffuse, specular, normal_norm;
+    double normal_norm;
-    Vector3 view, reflect, direction_inv;
+    Vector3 direction_inv;
 
     light_color = light->color;
     direction_inv = v3Scale(light->direction, -1.0);
@@ -129,46 +143,60 @@ Color lightingApplyOneLight(LightDefinition* light, Vector3 eye, Vector3 locatio
     }
     normal = v3Normalize(normal);
 
-    diffuse = v3Dot(direction_inv, normal);
+    result = COLOR_BLACK;
+
+    /* diffused light */
+    double diffuse = v3Dot(direction_inv, normal) / M_PI;
     if (diffuse > 0.0)
     {
-        if (material->shininess > 0.0 && light->reflection > 0.0)
+        result.r += diffuse * material->base.r * light_color.r;
-        {
+        result.g += diffuse * material->base.g * light_color.g;
-            view = v3Normalize(v3Sub(location, eye));
+        result.b += diffuse * material->base.b * light_color.b;
-            reflect = v3Sub(direction_inv, v3Scale(normal, 2.0 * v3Dot(direction_inv, normal)));
-
-            specular = v3Dot(reflect, view);
-            if (specular > 0.0)
-            {
-                specular = pow(specular, material->shininess) * material->reflection;
-            }
-            else
-            {
-                specular = 0.0;
-            }
-        }
-        else
-        {
-            specular = 0.0;
-        }
     }
-    else
+
+    /* specular reflection */
+    if (material->reflection > 0.0 && light->reflection > 0.0)
     {
-        diffuse = 0.0;
+        Vector3 view = view = v3Normalize(v3Sub(location, eye));
-        specular = 0.0;
+        Vector3 reflect = v3Sub(direction_inv, v3Scale(normal, 2.0 * v3Dot(direction_inv, normal)));
+        double specular = v3Dot(reflect, view);
+        if (specular > 0.0)
+        {
+            specular = pow(specular, material->shininess) * material->reflection;
+            result.r += specular * light_color.r;
+            result.g += specular * light_color.g;
+            result.b += specular * light_color.b;
+        }
     }
 
-    specular *= normal_norm * light->reflection;
+    /* specular reflection with fresnel effect */
-    diffuse = 1.0 - normal_norm + diffuse * normal_norm;
+    /*if (material->reflection > 0.0 && light->reflection > 0.0)
-
+    {
-    result.r = material->base.r * diffuse * light_color.r + specular * light_color.r;
+        Vector3 view = v3Normalize(v3Sub(location, eye));
-    result.g = material->base.g * diffuse * light_color.g + specular * light_color.g;
+        Vector3 h = v3Normalize(v3Sub(direction_inv, view));
-    result.b = material->base.b * diffuse * light_color.b + specular * light_color.b;
+        double fresnel = 0.02 + 0.98 * pow(1.0 - v3Dot(v3Scale(view, -1.0), h), 5.0);
-    result.a = material->base.a;
+        double refl = v3Dot(h, normal);
+        if (refl > 0.0)
+        {
+            double waterBrdf = fresnel * pow(refl, material->shininess);
+            if (waterBrdf > 0.0)
+            {
+                refl = material->reflection * waterBrdf * light->reflection;
+                result.r += refl * light_color.r;
+                result.g += refl * light_color.g;
+                result.b += refl * light_color.b;
+            }
+        }
+    }*/
 
     return result;
 }
 
+Vector3 lightingGetStatusLocation(LightStatus* status)
+{
+    return status->location;
+}
+
 void materialSave(PackStream* stream, SurfaceMaterial* material)
 {
     colorSave(stream, &material->base);

lib_paysages/tools/lighting.h

@@ -21,8 +21,7 @@ typedef struct
     Vector3 direction;  /* Global direction of the light */
     Color color;        /* Main color of the light */
     double reflection;  /* Reflected factor of the light (for specular lighting) */
-    int filtered;       /* Should the light be filtered (by atmosphere, water...) */
+    int altered;        /* Should the light be filtered or masked (by atmosphere, water, ground, clouds...) */
-    int masked;         /* Should the light be masked (cast shadows..) */
 } LightDefinition;
 
 typedef int (*FuncLightingAlterLight)(LightDefinition* light, Vector3 at, void* data);
@@ -38,6 +37,7 @@ LightStatus* lightingCreateStatus(LightingManager* manager, Vector3 location, Ve
 void lightingDeleteStatus(LightStatus* status);
 void lightingPushLight(LightStatus* status, LightDefinition* light);
 Color lightingApplyStatus(LightStatus* status, Vector3 normal, SurfaceMaterial* material);
+Vector3 lightingGetStatusLocation(LightStatus* status);
 
 Color lightingApplyOneLight(LightDefinition* light, Vector3 eye, Vector3 location, Vector3 normal, SurfaceMaterial* material);
 

lib_paysages/water.c

@@ -108,7 +108,7 @@ void waterAutoPreset(WaterDefinition* definition, WaterPreset preset)
 
     definition->depth_color.a = 1.0;
     definition->material.base.a = 1.0;
-    definition->material.reflection = 1.0;
+    definition->material.reflection = 0.4;
     definition->material.shininess = 16.0;
     definition->foam_material.base.r = 0.8;
     definition->foam_material.base.g = 0.8;