fix windows build

src/3d/qgstiledscenechunkloader_p.cpp

@@ -28,7 +28,6 @@
 #include "qgsraycastingutils_p.h"
 #include "qgstiledsceneboundingvolume.h"
 #include "qgstiledscenetile.h"
-#include "qgsziputils.h"
 
 #include <QtConcurrentRun>
 
@@ -126,7 +125,7 @@ void QgsTiledSceneChunkLoader::start()
         errors.append( QStringLiteral( "Failed to parse tile from '%1'" ).arg( uri ) );
       }
     }
-    else if ( format == "cesiumtiles" )
+    else if ( format == QLatin1String( "cesiumtiles" ) )
     {
       const QgsCesiumUtils::TileContents tileContent = QgsCesiumUtils::extractGltfFromTileContent( content );
       if ( tileContent.gltf.isEmpty() )
@@ -134,35 +133,14 @@ void QgsTiledSceneChunkLoader::start()
       entityTransform.tileTransform.translate( tileContent.rtcCenter );
       mEntity = QgsGltf3DUtils::gltfToEntity( tileContent.gltf, entityTransform, uri, &errors );
     }
-    else if ( format == "draco" )
+    else if ( format == QLatin1String( "draco" ) )
     {
-      // SLPK and Extracted SLPK have the files gzipped
-      QByteArray contentExtracted;
-      if ( content.startsWith( QByteArray( "\x1f\x8b", 2 ) ) )
-      {
-        if ( !QgsZipUtils::decodeGzip( content, contentExtracted ) )
-          return;
-      }
-      else
-      {
-        contentExtracted = content;
-      }
-
-      const QVariantMap tileMetadata = tile.metadata();
-      QgsCoordinateReferenceSystem sceneCrs = mFactory.mBoundsTransform.sourceCrs();
-
       QgsGltfUtils::I3SNodeContext i3sContext;
-      i3sContext.materialInfo = tileMetadata["material"].toMap();
-      i3sContext.isGlobalMode = sceneCrs.type() == Qgis::CrsType::Geocentric;
-      if ( i3sContext.isGlobalMode )
-      {
-        i3sContext.nodeCenterEcef = tile.boundingVolume().box().center();
-        i3sContext.datasetToSceneTransform = QgsCoordinateTransform( mFactory.mLayerCrs, sceneCrs, mFactory.mRenderContext.transformContext() );
-      }
+      i3sContext.initFromTile( tile, mFactory.mLayerCrs, mFactory.mBoundsTransform.sourceCrs(), mFactory.mRenderContext.transformContext() );
 
       QString dracoLoadError;
       tinygltf::Model model;
-      if ( !QgsGltfUtils::loadDracoModel( contentExtracted, i3sContext, model, &dracoLoadError ) )
+      if ( !QgsGltfUtils::loadDracoModel( content, i3sContext, model, &dracoLoadError ) )
       {
         errors.append( dracoLoadError );
         return;

src/core/tiledscene/qgsgltfutils.cpp

@@ -19,6 +19,8 @@
 #include "qgsmatrix4x4.h"
 #include "qgsconfig.h"
 #include "qgslogger.h"
+#include "qgstiledscenetile.h"
+#include "qgsziputils.h"
 
 #include <QImage>
 #include <QMatrix4x4>
@@ -430,13 +432,32 @@ void dumpDracoModelInfo( draco::Mesh *dracoMesh )
 
 bool QgsGltfUtils::loadDracoModel( const QByteArray &data, const I3SNodeContext &context, tinygltf::Model &model, QString *errors )
 {
+  //
+  // SLPK and Extracted SLPK have the files gzipped
+  //
+
+  QByteArray dataExtracted;
+  if ( data.startsWith( QByteArray( "\x1f\x8b", 2 ) ) )
+  {
+    if ( !QgsZipUtils::decodeGzip( data, dataExtracted ) )
+    {
+      if ( errors )
+        *errors = "Failed to decode gzipped model";
+      return false;
+    }
+  }
+  else
+  {
+    dataExtracted = data;
+  }
+
   //
   // load the model in decoder and do basic sanity checks
   //
 
   draco::Decoder decoder;
   draco::DecoderBuffer decoderBuffer;
-  decoderBuffer.Init( data.constData(), data.size() );
+  decoderBuffer.Init( dataExtracted.constData(), dataExtracted.size() );
 
   draco::StatusOr<draco::EncodedGeometryType> geometryTypeStatus = decoder.GetEncodedGeometryType( &decoderBuffer );
   if ( !geometryTypeStatus.ok() )
@@ -790,4 +811,17 @@ bool QgsGltfUtils::writeGltfModel( const tinygltf::Model &model, const QString &
   return res;
 }
 
+void QgsGltfUtils::I3SNodeContext::initFromTile( const QgsTiledSceneTile &tile, const QgsCoordinateReferenceSystem &layerCrs, const QgsCoordinateReferenceSystem &sceneCrs, const QgsCoordinateTransformContext &transformContext )
+{
+  const QVariantMap tileMetadata = tile.metadata();
+
+  materialInfo = tileMetadata[QStringLiteral( "material" )].toMap();
+  isGlobalMode = sceneCrs.type() == Qgis::CrsType::Geocentric;
+  if ( isGlobalMode )
+  {
+    nodeCenterEcef = tile.boundingVolume().box().center();
+    datasetToSceneTransform = QgsCoordinateTransform( layerCrs, sceneCrs, transformContext );
+  }
+}
+
 ///@endcond

src/core/tiledscene/qgsgltfutils.h

@@ -41,6 +41,7 @@ class QMatrix4x4;
 class QImage;
 
 class QgsMatrix4x4;
+class QgsTiledSceneTile;
 class QgsVector3D;
 
 namespace tinygltf
@@ -173,8 +174,13 @@ class CORE_EXPORT QgsGltfUtils
      * geometry of a I3S node.
      * \since QGIS 4.0
      */
-    struct I3SNodeContext
+    struct CORE_EXPORT I3SNodeContext
     {
+      //! Initialize the node content from tile's info
+      void initFromTile( const QgsTiledSceneTile &tile,
+                         const QgsCoordinateReferenceSystem &layerCrs,
+                         const QgsCoordinateReferenceSystem &sceneCrs,
+                         const QgsCoordinateTransformContext &transformContext );
 
       /**
        * Material parsed from I3S material definition of the node. See

src/core/tiledscene/qgstiledscenelayerrenderer.cpp

@@ -34,7 +34,6 @@
 #include "qgstextrenderer.h"
 #include "qgsruntimeprofiler.h"
 #include "qgsapplication.h"
-#include "qgsziputils.h"
 
 #include <QMatrix4x4>
 #include <qglobal.h>
@@ -442,34 +441,11 @@ bool QgsTiledSceneLayerRenderer::renderTileContent( const QgsTiledSceneTile &til
   }
   else if ( format == QLatin1String( "draco" ) )
   {
-    // SLPK and Extracted SLPK have the files gzipped
-    QByteArray tileContentExtracted;
-    if ( tileContent.startsWith( QByteArray( "\x1f\x8b", 2 ) ) )
-    {
-      if ( !QgsZipUtils::decodeGzip( tileContent, tileContentExtracted ) )
-      {
-        QgsDebugError( QStringLiteral( "Unable to decode gzipped data: %1" ).arg( contentUri ) );
-        return false;
-      }
-    }
-    else
-    {
-      tileContentExtracted = tileContent;
-    }
-
-    const QVariantMap tileMetadata = tile.metadata();
-
     QgsGltfUtils::I3SNodeContext i3sContext;
-    i3sContext.materialInfo = tileMetadata["material"].toMap();
-    i3sContext.isGlobalMode = mSceneCrs.type() == Qgis::CrsType::Geocentric;
-    if ( i3sContext.isGlobalMode )
-    {
-      i3sContext.nodeCenterEcef = tile.boundingVolume().box().center();
-      i3sContext.datasetToSceneTransform = QgsCoordinateTransform( mLayerCrs, mSceneCrs, context.renderContext().transformContext() );
-    }
+    i3sContext.initFromTile( tile, mLayerCrs, mSceneCrs, context.renderContext().transformContext() );
 
     QString errors;
-    if ( !QgsGltfUtils::loadDracoModel( tileContentExtracted, i3sContext, model, &errors ) )
+    if ( !QgsGltfUtils::loadDracoModel( tileContent, i3sContext, model, &errors ) )
     {
       if ( !mErrors.contains( errors ) )
         mErrors.append( errors );