diff --git a/src/mapblock_mesh.cpp b/src/mapblock_mesh.cpp
index 3324dd2b68a6de812844f562970233918f69a619..193fea3289071befc39ceec49ef41408f522968e 100644
--- a/src/mapblock_mesh.cpp
+++ b/src/mapblock_mesh.cpp
@@ -65,8 +65,9 @@ void MeshMakeData::fill(MapBlock *block)
 
 	// Allocate this block + neighbors
 	m_vmanip.clear();
-	m_vmanip.addArea(VoxelArea(blockpos_nodes-v3s16(1,1,1)*MAP_BLOCKSIZE,
-			blockpos_nodes+v3s16(1,1,1)*MAP_BLOCKSIZE*2-v3s16(1,1,1)));
+	VoxelArea voxel_area(blockpos_nodes - v3s16(1,1,1) * MAP_BLOCKSIZE,
+			blockpos_nodes + v3s16(1,1,1) * MAP_BLOCKSIZE*2-v3s16(1,1,1));
+	m_vmanip.addArea(voxel_area);
 
 	{
 		//TimeTaker timer("copy central block data");
diff --git a/src/nodedef.cpp b/src/nodedef.cpp
index 51e71a052af9a65bcd8f8252b6d799bff691751c..deb08fda9e11a3950c2eff733d110b905e9fdff8 100644
--- a/src/nodedef.cpp
+++ b/src/nodedef.cpp
@@ -389,8 +389,8 @@ class CNodeDefManager: public IWritableNodeDefManager {
 	virtual ~CNodeDefManager();
 	void clear();
 	virtual IWritableNodeDefManager *clone();
-	virtual const ContentFeatures& get(content_t c) const;
-	virtual const ContentFeatures& get(const MapNode &n) const;
+	inline virtual const ContentFeatures& get(content_t c) const;
+	inline virtual const ContentFeatures& get(const MapNode &n) const;
 	virtual bool getId(const std::string &name, content_t &result) const;
 	virtual content_t getId(const std::string &name) const;
 	virtual void getIds(const std::string &name, std::set<content_t> &result) const;
@@ -530,16 +530,14 @@ IWritableNodeDefManager *CNodeDefManager::clone()
 }
 
 
-const ContentFeatures& CNodeDefManager::get(content_t c) const
+inline const ContentFeatures& CNodeDefManager::get(content_t c) const
 {
-	if (c < m_content_features.size())
-		return m_content_features[c];
-	else
-		return m_content_features[CONTENT_UNKNOWN];
+	return c < m_content_features.size()
+			? m_content_features[c] : m_content_features[CONTENT_UNKNOWN];
 }
 
 
-const ContentFeatures& CNodeDefManager::get(const MapNode &n) const
+inline const ContentFeatures& CNodeDefManager::get(const MapNode &n) const
 {
 	return get(n.getContent());
 }
diff --git a/src/voxel.cpp b/src/voxel.cpp
index 19f2deb3279445e51d7e3b3ab95f77761c6c6f28..13711d1a19d58f3e6a2777561a476149d00f20a6 100644
--- a/src/voxel.cpp
+++ b/src/voxel.cpp
@@ -142,7 +142,7 @@ void VoxelManipulator::print(std::ostream &o, INodeDefManager *ndef,
 	}
 }
 
-void VoxelManipulator::addArea(VoxelArea area)
+void VoxelManipulator::addArea(const VoxelArea &area)
 {
 	// Cancel if requested area has zero volume
 	if(area.getExtent() == v3s16(0,0,0))
@@ -310,7 +310,8 @@ void VoxelManipulator::unspreadLight(enum LightBank bank, v3s16 p, u8 oldlight,
 		v3s16(-1,0,0), // left
 	};
 
-	addArea(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
+	VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
+	addArea(voxel_area);
 
 	// Loop through 6 neighbors
 	for(u16 i=0; i<6; i++)
@@ -515,7 +516,8 @@ void VoxelManipulator::spreadLight(enum LightBank bank, v3s16 p,
 		v3s16(-1,0,0), // left
 	};
 
-	addArea(VoxelArea(p - v3s16(1,1,1), p + v3s16(1,1,1)));
+	VoxelArea voxel_area(p - v3s16(1,1,1), p + v3s16(1,1,1));
+	addArea(voxel_area);
 
 	u32 i = m_area.index(p);
 
@@ -619,7 +621,8 @@ void VoxelManipulator::spreadLight(enum LightBank bank,
 	{
 		v3s16 pos = *j;
 
-		addArea(VoxelArea(pos - v3s16(1,1,1), pos + v3s16(1,1,1)));
+		VoxelArea voxel_area(pos - v3s16(1,1,1), pos + v3s16(1,1,1));
+		addArea(voxel_area);
 
 		u32 i = m_area.index(pos);
 
diff --git a/src/voxel.h b/src/voxel.h
index 033ad3e4564bbf716cd8cb4cf573b2c46041b605..53b6edbc7b9ab649fa2ef64044c60622d1c28bc8 100644
--- a/src/voxel.h
+++ b/src/voxel.h
@@ -80,7 +80,7 @@ class VoxelArea
 		Modifying methods
 	*/
 
-	void addArea(VoxelArea &a)
+	void addArea(const VoxelArea &a)
 	{
 		if(getExtent() == v3s16(0,0,0))
 		{
@@ -94,7 +94,7 @@ class VoxelArea
 		if(a.MaxEdge.Y > MaxEdge.Y) MaxEdge.Y = a.MaxEdge.Y;
 		if(a.MaxEdge.Z > MaxEdge.Z) MaxEdge.Z = a.MaxEdge.Z;
 	}
-	void addPoint(v3s16 p)
+	void addPoint(const v3s16 &p)
 	{
 		if(getExtent() == v3s16(0,0,0))
 		{
@@ -111,7 +111,7 @@ class VoxelArea
 	}
 
 	// Pad with d nodes
-	void pad(v3s16 d)
+	void pad(const v3s16 &d)
 	{
 		MinEdge -= d;
 		MaxEdge += d;
@@ -366,7 +366,8 @@ class VoxelManipulator /*: public NodeContainer*/
 	*/
 	MapNode getNode(v3s16 p)
 	{
-		addArea(p);
+		VoxelArea voxel_area(p);
+		addArea(voxel_area);
 
 		if(m_flags[m_area.index(p)] & VOXELFLAG_NO_DATA)
 		{
@@ -383,7 +384,8 @@ class VoxelManipulator /*: public NodeContainer*/
 	}
 	MapNode getNodeNoEx(v3s16 p)
 	{
-		addArea(p);
+		VoxelArea voxel_area(p);
+		addArea(voxel_area);
 
 		if(m_flags[m_area.index(p)] & VOXELFLAG_NO_DATA)
 		{
@@ -417,7 +419,8 @@ class VoxelManipulator /*: public NodeContainer*/
 	}
 	MapNode & getNodeRef(v3s16 p)
 	{
-		addArea(p);
+		VoxelArea voxel_area(p);
+		addArea(voxel_area);
 		if(getFlagsRefUnsafe(p) & VOXELFLAG_NO_DATA)
 		{
 			/*dstream<<"EXCEPT: VoxelManipulator::getNode(): "
@@ -432,7 +435,8 @@ class VoxelManipulator /*: public NodeContainer*/
 	}
 	void setNode(v3s16 p, const MapNode &n)
 	{
-		addArea(p);
+		VoxelArea voxel_area(p);
+		addArea(voxel_area);
 
 		m_data[m_area.index(p)] = n;
 		m_flags[m_area.index(p)] &= ~VOXELFLAG_NO_DATA;
@@ -499,7 +503,7 @@ class VoxelManipulator /*: public NodeContainer*/
 	void print(std::ostream &o, INodeDefManager *nodemgr,
 			VoxelPrintMode mode=VOXELPRINT_MATERIAL);
 
-	void addArea(VoxelArea area);
+	void addArea(const VoxelArea &area);
 
 	/*
 		Copy data and set flags to 0