Fix 3D build on windows

ms-windows/osgeo4w/package-nightly.cmd

@@ -165,6 +165,7 @@ cmake -G Ninja ^
 	-D WITH_SERVER=TRUE ^
 	-D SERVER_SKIP_ECW=TRUE ^
 	-D WITH_GRASS=TRUE ^
+	-D WITH_3D=TRUE ^
 	-D WITH_GRASS7=TRUE ^
 	-D GRASS_PREFIX7=%GRASS72_PATH:\=/% ^
 	-D WITH_GLOBE=FALSE ^
@@ -324,6 +325,7 @@ exit /b 1
 :error
 echo BUILD ERROR %ERRORLEVEL%: %DATE% %TIME%
 if exist %PACKAGENAME%-%VERSION%-%PACKAGE%.tar.bz2 del %PACKAGENAME%-%VERSION%-%PACKAGE%.tar.bz2
+exit /b 1
 
 :end
 echo FINISHED: %DATE% %TIME%

src/3d/qgs3dmapscene.cpp

@@ -203,8 +203,8 @@ void Qgs3DMapScene::onCameraChanged()
   {
     Qt3DRender::QCamera *camera = cameraController()->camera();
     QMatrix4x4 viewMatrix = camera->viewMatrix();
-    float near = 1e9;
-    float far = 0;
+    float fnear = 1e9;
+    float ffar = 0;
 
     QList<QgsChunkNode *> activeNodes = mTerrain->activeNodes();
 
@@ -227,27 +227,27 @@ void Qgs3DMapScene::onCameraChanged()
         QVector4D pc = viewMatrix * p;
 
         float dst = -pc.z();  // in camera coordinates, x grows right, y grows down, z grows to the back
-        if ( dst < near )
-          near = dst;
-        if ( dst > far )
-          far = dst;
+        if ( dst < fnear )
+          fnear = dst;
+        if ( dst > ffar )
+          ffar = dst;
       }
     }
-    if ( near < 1 )
-      near = 1;  // does not really make sense to use negative far plane (behind camera)
+    if ( fnear < 1 )
+      fnear = 1;  // does not really make sense to use negative far plane (behind camera)
 
-    if ( near == 1e9 && far == 0 )
+    if ( fnear == 1e9 && ffar == 0 )
     {
       // the update didn't work out... this should not happen
       // well at least temprarily use some conservative starting values
       qDebug() << "oops... this should not happen! couldn't determine near/far plane. defaulting to 1...1e9";
-      near = 1;
-      far = 1e9;
+      fnear = 1;
+      ffar = 1e9;
     }
 
     // set near/far plane - with some tolerance in front/behind expected near/far planes
-    camera->setFarPlane( far * 2 );
-    camera->setNearPlane( near / 2 );
+    camera->setFarPlane( ffar * 2 );
+    camera->setNearPlane( fnear / 2 );
   }
   else
     qDebug() << "no terrain - not setting near/far plane";

src/3d/qgsvectorlayer3drenderer.h

@@ -20,6 +20,7 @@
 
 #include "qgs3drendererregistry.h"
 #include "qgsabstract3drenderer.h"
+#include "qgsabstract3dsymbol.h"
 
 #include "qgsphongmaterialsettings.h"
 #include "qgs3dutils.h"
@@ -30,8 +31,6 @@
 
 class QgsVectorLayer;
 
-class QgsAbstract3DSymbol;
-
 
 /**
  * \ingroup core

src/3d/terrain/qgsdemterraingenerator.cpp

@@ -26,6 +26,11 @@ QgsDemTerrainGenerator::QgsDemTerrainGenerator()
 {
 }
 
+QgsDemTerrainGenerator::~QgsDemTerrainGenerator()
+{
+  delete mHeightMapGenerator;
+}
+
 void QgsDemTerrainGenerator::setLayer( QgsRasterLayer *layer )
 {
   mLayer = QgsMapLayerRef( layer );
@@ -91,11 +96,13 @@ void QgsDemTerrainGenerator::updateGenerator()
   if ( dem )
   {
     mTerrainTilingScheme = QgsTilingScheme( dem->extent(), dem->crs() );
-    mHeightMapGenerator.reset( new QgsDemHeightMapGenerator( dem, mTerrainTilingScheme, mResolution ) );
+    delete mHeightMapGenerator;
+    mHeightMapGenerator = new QgsDemHeightMapGenerator( dem, mTerrainTilingScheme, mResolution );
   }
   else
   {
     mTerrainTilingScheme = QgsTilingScheme();
-    mHeightMapGenerator.reset();
+    delete mHeightMapGenerator;
+    mHeightMapGenerator = nullptr;
   }
 }

src/3d/terrain/qgsdemterraingenerator.h

@@ -20,11 +20,11 @@
 
 #include "qgsterraingenerator.h"
 
+
 #include <memory>
 
-class QgsDemHeightMapGenerator;
-
 class QgsRasterLayer;
+class QgsDemHeightMapGenerator;
 
 #include "qgsmaplayerref.h"
 
@@ -37,6 +37,7 @@ class _3D_EXPORT QgsDemTerrainGenerator : public QgsTerrainGenerator
 {
   public:
     QgsDemTerrainGenerator();
+    ~QgsDemTerrainGenerator();
 
     //! Sets raster layer with elevation model to be used for terrain generation
     void setLayer( QgsRasterLayer *layer );
@@ -49,7 +50,7 @@ class _3D_EXPORT QgsDemTerrainGenerator : public QgsTerrainGenerator
     int resolution() const { return mResolution; }
 
     //! Returns height map generator object - takes care of extraction of elevations from the layer)
-    QgsDemHeightMapGenerator *heightMapGenerator() { return mHeightMapGenerator.get(); }
+    QgsDemHeightMapGenerator *heightMapGenerator() { return mHeightMapGenerator; }
 
     virtual QgsTerrainGenerator *clone() const override SIP_FACTORY;
     Type type() const override;
@@ -64,7 +65,7 @@ class _3D_EXPORT QgsDemTerrainGenerator : public QgsTerrainGenerator
   private:
     void updateGenerator();
 
-    std::unique_ptr<QgsDemHeightMapGenerator> mHeightMapGenerator;
+    QgsDemHeightMapGenerator *mHeightMapGenerator = nullptr;
 
     //! source layer for heights
     QgsMapLayerRef mLayer;