paysages : Explorer chunks refactoring for future skybox (WIP)

git-svn-id: https://subversion.assembla.com/svn/thunderk/paysages@339 b1fd45b6-86a6-48da-8261-f70d1f35bdcc

gui_qt/baseexplorerchunk.cpp

@@ -0,0 +1,150 @@
+#include "baseexplorerchunk.h"
+
+BaseExplorerChunk::BaseExplorerChunk(Renderer* renderer)
+{
+    _renderer = renderer;
+    
+    priority = 0.0;
+    _reset_needed = false;
+    
+    _texture = new QImage(1, 1, QImage::Format_ARGB32);
+    _texture_id = 0;
+    _texture_changed = false;
+    _texture_current_size = 0;
+    _texture_max_size = 0;
+}
+
+BaseExplorerChunk::~BaseExplorerChunk()
+{
+    _lock_data.lock();
+    delete _texture;
+    _lock_data.unlock();
+}
+
+bool BaseExplorerChunk::maintain()
+{
+    bool subchanged;
+    
+    _lock_data.lock();
+    if (_reset_needed)
+    {
+        _reset_needed = false;
+        _texture_current_size = 0;
+        onResetEvent();
+    }
+    _lock_data.unlock();
+    
+    subchanged = onMaintainEvent();
+    
+    // Improve texture resolution
+    if (_texture_current_size < _texture_max_size)
+    {
+        int new_texture_size = _texture_current_size ? _texture_current_size * 2 : 1;
+        QImage* new_image = new QImage(_texture->scaled(new_texture_size + 1, new_texture_size + 1, Qt::IgnoreAspectRatio, Qt::FastTransformation));
+        for (int j = 0; j <= new_texture_size; j++)
+        {
+            for (int i = 0; i <= new_texture_size; i++)
+            {
+                if (_texture_current_size <= 1 || i % 2 != 0 || j % 2 != 0)
+                {
+                    Color color = getTextureColor((double)i / (double)(new_texture_size + 1), (double)j / (double)(new_texture_size + 1));
+                    new_image->setPixel(i, j, colorTo32BitBGRA(&color));
+                }
+            }
+        }
+
+        _lock_data.lock();
+        delete _texture;
+        _texture = new_image;
+        _texture_current_size = new_texture_size;
+        _texture_changed = true;
+        _lock_data.unlock();
+        
+        return true;
+    }
+    else
+    {
+        return subchanged;
+    }
+}
+
+void BaseExplorerChunk::updatePriority(CameraDefinition* camera)
+{
+    if (_reset_needed || (_texture_max_size > 0 && _texture_current_size == 0))
+    {
+        priority = 1000.0;
+    }
+    else if (_texture_current_size == _texture_max_size)
+    {
+        priority = -1000.0;
+    }
+    else
+    {
+        priority = getDisplayedSizeHint(camera) - _texture_current_size;
+    }
+    onCameraEvent(camera);
+}
+
+void BaseExplorerChunk::render(QGLWidget* widget)
+{
+    // Put texture in place
+    _lock_data.lock();
+    if (_texture_changed)
+    {
+        _texture_changed = false;
+        if (_texture_id)
+        {
+            widget->deleteTexture(_texture_id);
+        }
+        // TODO Only do the scale if not power-of-two textures are unsupported by GPU
+        _texture_id = widget->bindTexture(_texture->scaled(_texture_current_size, _texture_current_size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
+        //_texture_id = widget->bindTexture(*_texture);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+    }
+    else
+    {
+        glBindTexture(GL_TEXTURE_2D, _texture_id);
+    }
+    _lock_data.unlock();
+    
+    // Delegate poly rendering to subclass
+    onRenderEvent(widget);
+}
+
+void BaseExplorerChunk::askReset()
+{
+    _reset_needed = true;
+}
+
+void BaseExplorerChunk::setMaxTextureSize(int size)
+{
+    _texture_max_size = size;
+}
+
+void BaseExplorerChunk::onCameraEvent(CameraDefinition* camera)
+{
+}
+
+void BaseExplorerChunk::onResetEvent()
+{
+}
+
+bool BaseExplorerChunk::onMaintainEvent()
+{
+    return false;
+}
+
+void BaseExplorerChunk::onRenderEvent(QGLWidget* widget)
+{
+}
+
+double BaseExplorerChunk::getDisplayedSizeHint(CameraDefinition* camera)
+{
+    return 0.0;
+}
+
+Color BaseExplorerChunk::getTextureColor(double x, double y)
+{
+    return COLOR_TRANSPARENT;
+}

gui_qt/baseexplorerchunk.h

@@ -0,0 +1,48 @@
+#ifndef _PAYSAGES_QT_BASEEXPLORERCHUNK_H_
+#define _PAYSAGES_QT_BASEEXPLORERCHUNK_H_
+
+#include <QMutex>
+#include <QImage>
+#include <QGLWidget>
+#include "../lib_paysages/renderer.h"
+
+class BaseExplorerChunk
+{
+public:
+    virtual ~BaseExplorerChunk();
+
+    bool maintain();
+    void updatePriority(CameraDefinition* camera);
+    void render(QGLWidget* widget);
+    
+    double priority;
+protected:
+    BaseExplorerChunk(Renderer* renderer);
+    
+    inline Renderer* renderer() {return _renderer;};
+
+    void askReset();
+    void setMaxTextureSize(int size);
+    
+    virtual void onCameraEvent(CameraDefinition* camera);
+    virtual void onResetEvent();
+    virtual bool onMaintainEvent();
+    virtual void onRenderEvent(QGLWidget* widget);
+    virtual double getDisplayedSizeHint(CameraDefinition* camera);
+    virtual Color getTextureColor(double x, double y);
+    
+    QMutex _lock_data;
+
+private:
+    Renderer* _renderer;
+
+    bool _reset_needed;
+
+    QImage* _texture;
+    GLuint _texture_id;
+    bool _texture_changed;
+    int _texture_current_size;
+    int _texture_max_size;
+};
+
+#endif

gui_qt/explorerchunkterrain.cpp

@@ -0,0 +1,158 @@
+#include "explorerchunkterrain.h"
+
+#include <math.h>
+#include "baseexplorerchunk.h"
+#include "../lib_paysages/camera.h"
+
+ExplorerChunkTerrain::ExplorerChunkTerrain(Renderer* renderer, double x, double z, double size, int nbchunks) : BaseExplorerChunk(renderer)
+{
+    _startx = x;
+    _startz = z;
+    _size = size;
+    _overall_step = size * (double)nbchunks;
+    
+    _tessellation_max_size = 32;
+    _tessellation = new double[(_tessellation_max_size + 1) * (_tessellation_max_size + 1)];
+    _tessellation_current_size = 0;
+    _tessellation_step = _size / (double)_tessellation_max_size;
+    
+    setMaxTextureSize(128);
+    
+    maintain();
+}
+
+ExplorerChunkTerrain::~ExplorerChunkTerrain()
+{
+    _lock_data.lock();
+    delete [] _tessellation;
+    _lock_data.unlock();
+}
+
+void ExplorerChunkTerrain::onResetEvent()
+{
+    _tessellation_current_size = 0;
+}
+
+bool ExplorerChunkTerrain::onMaintainEvent()
+{
+    Renderer* renderer = this->renderer();
+    
+    // Improve heightmap resolution
+    if (_tessellation_current_size < _tessellation_max_size)
+    {
+        int new_tessellation_size = _tessellation_current_size ? _tessellation_current_size * 4 : 2;
+        int old_tessellation_inc = _tessellation_current_size ? _tessellation_max_size / _tessellation_current_size : 1;
+        int new_tessellation_inc = _tessellation_max_size / new_tessellation_size;
+        for (int j = 0; j <= _tessellation_max_size; j += new_tessellation_inc)
+        {
+            for (int i = 0; i <= _tessellation_max_size; i += new_tessellation_inc)
+            {
+                if (_tessellation_current_size == 0 || i % old_tessellation_inc != 0 || j % old_tessellation_inc != 0)
+                {
+                    double height = renderer->getTerrainHeight(renderer, _startx + _tessellation_step * (double)i, _startz + _tessellation_step * (double)j);
+                    _tessellation[j * (_tessellation_max_size + 1) + i] = height;
+                }
+            }
+        }
+
+        _lock_data.lock();
+        _tessellation_current_size = new_tessellation_size;
+        _lock_data.unlock();
+
+        return true;
+    }
+    else
+    {
+        return false;
+    }
+}
+
+void ExplorerChunkTerrain::onCameraEvent(CameraDefinition* camera)
+{
+    // Handle position
+    _lock_data.lock();
+    if (camera->location.x > _startx + _overall_step * 0.5)
+    {
+        _startx += _overall_step;
+        askReset();
+    }
+    if (camera->location.z > _startz + _overall_step * 0.5)
+    {
+        _startz += _overall_step;
+        askReset();
+    }
+    if (camera->location.x < _startx - _overall_step * 0.5)
+    {
+        _startx -= _overall_step;
+        askReset();
+    }
+    if (camera->location.z < _startz - _overall_step * 0.5)
+    {
+        _startz -= _overall_step;
+        askReset();
+    }
+    _lock_data.unlock();
+}
+
+void ExplorerChunkTerrain::onRenderEvent(QGLWidget* widget)
+{
+    _lock_data.lock();
+    int tessellation_size = _tessellation_current_size;
+    double tsize = 1.0 / (double)_tessellation_max_size;
+    _lock_data.unlock();
+    
+    if (tessellation_size == 0)
+    {
+        return;
+    }
+
+    int tessellation_inc = _tessellation_max_size / (double)tessellation_size;
+    for (int j = 0; j < _tessellation_max_size; j += tessellation_inc)
+    {
+        glBegin(GL_QUAD_STRIP);
+        for (int i = 0; i <= _tessellation_max_size; i += tessellation_inc)
+        {
+            glTexCoord2d(tsize * (double)i, 1.0 - tsize * (double)j);
+            glVertex3d(_startx + _tessellation_step * (double)i, _tessellation[j * (_tessellation_max_size + 1) + i], _startz + _tessellation_step * (double)j);
+            glTexCoord2d(tsize * (double)i, 1.0 - tsize * (double)(j + tessellation_inc));
+            glVertex3d(_startx + _tessellation_step * (double)i, _tessellation[(j + tessellation_inc) * (_tessellation_max_size + 1) + i], _startz + _tessellation_step * (double)(j + tessellation_inc));
+        }
+        glEnd();
+    }
+}
+
+double ExplorerChunkTerrain::getDisplayedSizeHint(CameraDefinition* camera)
+{
+    double distance, wanted_size;
+    Vector3 center;
+
+    center = getCenter();
+
+    distance = v3Norm(v3Sub(camera->location, center));
+    distance = distance < 0.1 ? 0.1 : distance;
+    wanted_size = (int)ceil(120.0 - distance / 3.0);
+
+    if (!cameraIsBoxInView(camera, center, _size, _size, 40.0))
+    {
+        wanted_size -= 500.0;
+    }
+
+    return wanted_size;
+}
+
+Color ExplorerChunkTerrain::getTextureColor(double x, double y)
+{
+    Vector3 location = {_startx + x * _size, 0.0, _startz + y * _size};
+    return renderer()->applyTextures(renderer(), location, 0.01);
+}
+
+Vector3 ExplorerChunkTerrain::getCenter()
+{
+    Vector3 result;
+    
+    result.x = _startx + _size / 2.0;
+    result.y = 0.0;
+    result.z = _startz + _size / 2.0;
+    
+    return result;
+}

gui_qt/explorerchunkterrain.h

@@ -0,0 +1,36 @@
+#ifndef _PAYSAGES_QT_EXPLORERCHUNKTERRAIN_H_
+#define _PAYSAGES_QT_EXPLORERCHUNKTERRAIN_H_
+
+#include "baseexplorerchunk.h"
+#include "../lib_paysages/renderer.h"
+#include "../lib_paysages/euclid.h"
+
+class ExplorerChunkTerrain:public BaseExplorerChunk
+{
+public:
+    ExplorerChunkTerrain(Renderer* renderer, double x, double z, double size, int nbchunks);
+    ~ExplorerChunkTerrain();
+    
+    void onCameraEvent(CameraDefinition* camera);
+    void onResetEvent();
+    bool onMaintainEvent();
+    void onRenderEvent(QGLWidget* widget);
+    double getDisplayedSizeHint(CameraDefinition* camera);
+    Color getTextureColor(double x, double y);
+    
+private:
+    Vector3 getCenter();
+    
+    double _startx;
+    double _startz;
+    double _size;
+    double _overall_step;
+    
+    double* _tessellation;
+    int _tessellation_max_size;
+    int _tessellation_current_size;
+    double _tessellation_step;
+    
+};
+
+#endif

gui_qt/formsky.cpp

@@ -26,6 +26,12 @@ public:
     }
 protected:
     QColor getColor(double x, double y)
+    {
+        if (y > 0.0)
+        {
+            return QColor(0, 0, 0);
+        }
+        else
         {
             Vector3 eye = {0.0, 0.0, 0.0};
             Vector3 look;
@@ -36,6 +42,7 @@ protected:
 
             return colorToQColor(skyGetColor(&_preview_definition, &_renderer, eye, look));
         }
+    }
     void updateData()
     {
         skyCopyDefinition(&_definition, &_preview_definition);
@@ -58,6 +65,12 @@ public:
     }
 protected:
     QColor getColor(double x, double y)
+    {
+        if (y > 0.0)
+        {
+            return QColor(0, 0, 0);
+        }
+        else
         {
             Vector3 eye = {0.0, 0.0, 0.0};
             Vector3 look;
@@ -68,6 +81,7 @@ protected:
 
             return colorToQColor(skyGetColor(&_preview_definition, &_renderer, eye, look));
         }
+    }
     void updateData()
     {
         skyCopyDefinition(&_definition, &_preview_definition);

gui_qt/wandererchunk.cpp

@@ -1,242 +0,0 @@
-#include "wandererchunk.h"
-
-#include <QMutex>
-#include <QImage>
-#include <QColor>
-#include <QGLWidget>
-#include <math.h>
-#include "../lib_paysages/camera.h"
-#include "../lib_paysages/color.h"
-#include "../lib_paysages/euclid.h"
-#include "../lib_paysages/tools.h"
-
-WandererChunk::WandererChunk(Renderer* renderer, double x, double z, double size, int nbchunks)
-{
-    _renderer = renderer;
-    
-    _startx = x;
-    _startz = z;
-    _size = size;
-    _overall_step = size * (double)nbchunks;
-    _restart_needed = false;
-    
-    priority = 0.0;
-    
-    _tessellation_max_size = 32;
-    _tessellation = new double[(_tessellation_max_size + 1) * (_tessellation_max_size + 1)];
-    _tessellation_current_size = 0;
-    _tessellation_step = _size / (double)_tessellation_max_size;
-    
-    _texture_max_size = 128;
-    _texture_current_size = 0;
-    _texture = new QImage(1, 1, QImage::Format_ARGB32);
-    _texture_id = 0;
-    _texture_changed = false;
-    
-    maintain();
-}
-
-WandererChunk::~WandererChunk()
-{
-    _lock_data.lock();
-    delete _texture;
-    delete [] _tessellation;
-    _lock_data.unlock();
-}
-
-void WandererChunk::render(QGLWidget* widget)
-{
-    _lock_data.lock();
-    
-    if (_texture_changed)
-    {
-        _texture_changed = false;
-        if (_texture_id)
-        {
-            widget->deleteTexture(_texture_id);
-        }
-        // TODO Only do the scale if not power-of-two textures are unsupported by GPU
-        _texture_id = widget->bindTexture(_texture->scaled(_texture_current_size, _texture_current_size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
-        //_texture_id = widget->bindTexture(*_texture);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
-        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-    }
-    else
-    {
-        glBindTexture(GL_TEXTURE_2D, _texture_id);
-    }
-
-    int tessellation_size = _tessellation_current_size;
-    double tsize = 1.0 / (double)_tessellation_max_size;
-    
-    _lock_data.unlock();
-    
-    if (tessellation_size == 0)
-    {
-        return;
-    }
-
-    int tessellation_inc = _tessellation_max_size / (double)tessellation_size;
-    for (int j = 0; j < _tessellation_max_size; j += tessellation_inc)
-    {
-        glBegin(GL_QUAD_STRIP);
-        for (int i = 0; i <= _tessellation_max_size; i += tessellation_inc)
-        {
-            glTexCoord2d(tsize * (double)i, 1.0 - tsize * (double)j);
-            glVertex3d(_startx + _tessellation_step * (double)i, _tessellation[j * (_tessellation_max_size + 1) + i], _startz + _tessellation_step * (double)j);
-            glTexCoord2d(tsize * (double)i, 1.0 - tsize * (double)(j + tessellation_inc));
-            glVertex3d(_startx + _tessellation_step * (double)i, _tessellation[(j + tessellation_inc) * (_tessellation_max_size + 1) + i], _startz + _tessellation_step * (double)(j + tessellation_inc));
-        }
-        glEnd();
-    }
-}
-
-void WandererChunk::updatePriority(CameraDefinition* camera)
-{
-    // Compute new priority
-    _lock_data.lock();
-    if (camera->location.x > _startx + _overall_step * 0.5)
-    {
-        _startx += _overall_step;
-        _restart_needed = true;
-    }
-    if (camera->location.z > _startz + _overall_step * 0.5)
-    {
-        _startz += _overall_step;
-        _restart_needed = true;
-    }
-    if (camera->location.x < _startx - _overall_step * 0.5)
-    {
-        _startx -= _overall_step;
-        _restart_needed = true;
-    }
-    if (camera->location.z < _startz - _overall_step * 0.5)
-    {
-        _startz -= _overall_step;
-        _restart_needed = true;
-    }
-    
-    if (_restart_needed || _texture_current_size <= 1)
-    {
-        priority = 1000.0;
-    }
-    else if (_tessellation_current_size == _tessellation_max_size && _texture_current_size == _texture_max_size)
-    {
-        priority = -1000.0;
-    }
-    else
-    {
-        double distance, wanted_size;
-        Vector3 center;
-        
-        center = getCenter();
-        
-        distance = v3Norm(v3Sub(camera->location, center));
-        distance = distance < 0.1 ? 0.1 : distance;
-        wanted_size = (int)ceil(120.0 - distance / 3.0);
-        
-        priority = wanted_size - _texture_current_size;
-        /*else if (distance < 30.0 && _texture_current_size < _texture_max_size / 8)
-        {
-            priority += 75.0;
-        }
-        else if (distance < 15.0 && _texture_current_size < _texture_max_size)
-        {
-            priority += 50.0;
-        }
-        else if (distance < 30.0 && _texture_current_size < _texture_max_size / 2)
-        {
-            priority += 25.0;
-        }*/
-        
-        if (!cameraIsBoxInView(camera, center, _size, _size, 40.0))
-        {
-            priority -= 100.0;
-        }
-    }
-    _lock_data.unlock();
-}
-
-bool WandererChunk::maintain()
-{
-    if (_restart_needed)
-    {
-        _restart_needed = false;
-
-        _lock_data.lock();
-        _texture_current_size = 0;
-        _tessellation_current_size = 0;
-        _lock_data.unlock();
-    }
-    
-    if (_tessellation_current_size < _tessellation_max_size || _texture_current_size < _texture_max_size)
-    {
-        // Improve heightmap resolution
-        if (_tessellation_current_size < _tessellation_max_size)
-        {
-            int new_tessellation_size = _tessellation_current_size ? _tessellation_current_size * 4 : 2;
-            int old_tessellation_inc = _tessellation_current_size ? _tessellation_max_size / _tessellation_current_size : 1;
-            int new_tessellation_inc = _tessellation_max_size / new_tessellation_size;
-            for (int j = 0; j <= _tessellation_max_size; j += new_tessellation_inc)
-            {
-                for (int i = 0; i <= _tessellation_max_size; i += new_tessellation_inc)
-                {
-                    if (_tessellation_current_size == 0 || i % old_tessellation_inc != 0 || j % old_tessellation_inc != 0)
-                    {
-                        double height = _renderer->getTerrainHeight(_renderer, _startx + _tessellation_step * (double)i, _startz + _tessellation_step * (double)j);
-                        _tessellation[j * (_tessellation_max_size + 1) + i] = height;
-                    }
-                }
-            }
-            
-            _lock_data.lock();
-            _tessellation_current_size = new_tessellation_size;
-            _lock_data.unlock();
-        }
-
-        // Improve texture resolution
-        if (_texture_current_size < _texture_max_size)
-        {
-            int new_texture_size = _texture_current_size ? _texture_current_size * 2 : 1;
-            double step_size = _texture_current_size ? _size / (double)(new_texture_size) : 0.1;
-            //QImage* new_image = new QImage(new_texture_size, new_texture_size, QImage::Format_ARGB32);
-            QImage* new_image = new QImage(_texture->scaled(new_texture_size + 1, new_texture_size + 1, Qt::IgnoreAspectRatio, Qt::FastTransformation));
-            for (int j = 0; j <= new_texture_size; j++)
-            {
-                for (int i = 0; i <= new_texture_size; i++)
-                {
-                    if (_texture_current_size <= 1 || i % 2 != 0 || j % 2 != 0)
-                    {
-                        Vector3 location = {_startx + step_size * (double)i, 0.0, _startz + step_size * (double)j};
-                        Color color = _renderer->applyTextures(_renderer, location, step_size);
-                        new_image->setPixel(i, j, colorTo32BitBGRA(&color));
-                    }
-                }
-            }
-            
-            _lock_data.lock();
-            delete _texture;
-            _texture = new_image;
-            _texture_current_size = new_texture_size;
-            _texture_changed = true;
-            _lock_data.unlock();
-        }
-
-        return true;
-    }
-    else
-    {
-        return false;
-    }
-}
-
-Vector3 WandererChunk::getCenter()
-{
-    Vector3 result;
-    
-    result.x = _startx + _size / 2.0;
-    result.y = 0.0;
-    result.z = _startz + _size / 2.0;
-    
-    return result;
-}

gui_qt/wandererchunk.h

@@ -1,45 +0,0 @@
-#ifndef _PAYSAGES_QT_WANDERERCHUNK_H_
-#define _PAYSAGES_QT_WANDERERCHUNK_H_
-
-#include <QMutex>
-#include <QImage>
-#include <QGLWidget>
-#include "../lib_paysages/renderer.h"
-
-class WandererChunk
-{
-public:
-    WandererChunk(Renderer* renderer, double x, double z, double size, int nbchunks);
-    ~WandererChunk();
-    
-    bool maintain();
-    void updatePriority(CameraDefinition* camera);
-    void render(QGLWidget* widget);
-    
-    Vector3 getCenter();
-    
-    double priority;
-    
-private:
-    QMutex _lock_data;
-    Renderer* _renderer;
-    
-    double _startx;
-    double _startz;
-    double _size;
-    double _overall_step;
-    bool _restart_needed;
-    
-    double* _tessellation;
-    int _tessellation_max_size;
-    int _tessellation_current_size;
-    double _tessellation_step;
-    
-    QImage* _texture;
-    GLuint _texture_id;
-    bool _texture_changed;
-    int _texture_max_size;
-    int _texture_current_size;
-};
-
-#endif

gui_qt/widgetwanderer.cpp

@@ -8,6 +8,7 @@
 #include <QThread>
 #include "../lib_paysages/scenery.h"
 #include "../lib_paysages/euclid.h"
+#include "explorerchunkterrain.h"
 
 class ChunkMaintenanceThread:public QThread
 {
@@ -106,7 +107,7 @@ WidgetWanderer::WidgetWanderer(QWidget *parent, CameraDefinition* camera):
     {
         for (int j = 0; j < chunks; j++)
         {
-            WandererChunk* chunk = new WandererChunk(&_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);
         }
@@ -167,14 +168,14 @@ void WidgetWanderer::stopThreads()
     }
 }
 
-bool _cmpChunks(const WandererChunk* c1, const WandererChunk* c2)
+bool _cmpChunks(const BaseExplorerChunk* c1, const BaseExplorerChunk* c2)
 {
     return c1->priority > c2->priority;
 }
 
 void WidgetWanderer::performChunksMaintenance()
 {
-    WandererChunk* chunk;
+    BaseExplorerChunk* chunk;
     
     _lock_chunks.lock();
     if (_updateQueue.count() > 0)

gui_qt/widgetwanderer.h

@@ -2,7 +2,7 @@
 #define _PAYSAGES_QT_WIDGETWANDERER_H_
 
 #include <QGLWidget>
-#include "wandererchunk.h"
+#include "baseexplorerchunk.h"
 #include "../lib_paysages/camera.h"
 #include "../lib_paysages/water.h"
 #include "../lib_paysages/renderer.h"
@@ -45,8 +45,8 @@ private:
     Renderer _renderer;
     bool _updated;
     
-    QVector<WandererChunk*> _chunks;
+    QVector<BaseExplorerChunk*> _chunks;
-    QList<WandererChunk*> _updateQueue;
+    QList<BaseExplorerChunk*> _updateQueue;
     bool _alive;
     QMutex _lock_chunks;
 

i18n/paysages_fr.ts

@@ -520,57 +520,57 @@ Maintenir Ctrl : Plus rapide</translation>
 <context>
     <name>FormSky</name>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="87"/>
+        <location filename="../gui_qt/formsky.cpp" line="101"/>
         <source>West preview</source>
         <translation>Aperçu de l&apos;ouest</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="89"/>
+        <location filename="../gui_qt/formsky.cpp" line="103"/>
         <source>East preview</source>
         <translation>Aperçu de l&apos;est</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="91"/>
+        <location filename="../gui_qt/formsky.cpp" line="105"/>
         <source>Day time</source>
         <translation>Heure du jour</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="92"/>
+        <location filename="../gui_qt/formsky.cpp" line="106"/>
         <source>Sun color</source>
         <translation>Couleur du soleil</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="93"/>
+        <location filename="../gui_qt/formsky.cpp" line="107"/>
         <source>Sun radius</source>
         <translation>Diamètre apparent du soleil</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="94"/>
+        <location filename="../gui_qt/formsky.cpp" line="108"/>
         <source>Sun halo radius</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="95"/>
+        <location filename="../gui_qt/formsky.cpp" line="109"/>
         <source>Sun halo profile</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="96"/>
+        <location filename="../gui_qt/formsky.cpp" line="110"/>
         <source>Zenith color</source>
         <translation>Couleur du ciel au zénith</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="97"/>
+        <location filename="../gui_qt/formsky.cpp" line="111"/>
         <source>Haze color</source>
         <translation>Couleur de la brume</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="98"/>
+        <location filename="../gui_qt/formsky.cpp" line="112"/>
         <source>Haze height</source>
         <translation>Hauteur apparente de la brume</translation>
     </message>
     <message>
-        <location filename="../gui_qt/formsky.cpp" line="99"/>
+        <location filename="../gui_qt/formsky.cpp" line="113"/>
         <source>Haze smoothing</source>
         <translation>Facteur de lissage de la brume</translation>
     </message>