Const getData

src/client/mapblock_mesh.cpp

@@ -43,7 +43,7 @@ void MeshMakeData::fillBlockDataBegin(const v3s16 &blockpos)
 	m_vmanip.addArea(voxel_area);
 }
 
-void MeshMakeData::fillBlockData(const v3s16 &bp, MapNode *data)
+void MeshMakeData::fillBlockData(const v3s16 &bp, const MapNode *data)
 {
 	v3s16 data_size(MAP_BLOCKSIZE, MAP_BLOCKSIZE, MAP_BLOCKSIZE);
 	VoxelArea data_area(v3s16(0,0,0), data_size - v3s16(1,1,1));

src/client/mapblock_mesh.h

@@ -42,7 +42,7 @@ struct MeshMakeData
 		Copy block data manually (to allow optimizations by the caller)
 	*/
 	void fillBlockDataBegin(const v3s16 &blockpos);
-	void fillBlockData(const v3s16 &bp, MapNode *data);
+	void fillBlockData(const v3s16 &bp, const MapNode *data);
 
 	/*
 		Set the (node) position of a crack

src/mapblock.h

@@ -80,7 +80,7 @@ public:
 		raiseModified(MOD_STATE_WRITE_NEEDED, MOD_REASON_REALLOCATE);
 	}
 
-	MapNode* getData()
+	const MapNode* getData() const
 	{
 		return data;
 	}

src/voxel.cpp

@@ -174,7 +174,7 @@ void VoxelManipulator::addArea(const VoxelArea &area)
 	delete[] old_flags;
 }
 
-void VoxelManipulator::copyFrom(MapNode *src, const VoxelArea& src_area,
+void VoxelManipulator::copyFrom(const MapNode *src, const VoxelArea& src_area,
 		v3s16 from_pos, v3s16 to_pos, const v3s16 &size)
 {
 	/* The reason for this optimised code is that we're a member function

src/voxel.h

@@ -479,7 +479,7 @@ public:
 		Copy data and set flags to 0
 		dst_area.getExtent() <= src_area.getExtent()
 	*/
-	void copyFrom(MapNode *src, const VoxelArea& src_area,
+	void copyFrom(const MapNode *src, const VoxelArea& src_area,
 			v3s16 from_pos, v3s16 to_pos, const v3s16 &size);
 
 	// Copy data