better support for old maps

1 files changed, 23 insertions, 9 deletions

diff --git a/src/map.h b/src/map.h
index e2cd432be..cb48cb32b 100644
--- a/src/map.h
+++ b/src/map.h
@@ -341,6 +341,8 @@ public:
 	// Returns the position of the chunk where the sector is in
 	v2s16 sector_to_chunk(v2s16 sectorpos)
 	{
+		if(m_chunksize == 0)
+			return v2s16(0,0);
 		sectorpos.X += m_chunksize / 2;
 		sectorpos.Y += m_chunksize / 2;
 		v2s16 chunkpos = getContainerPos(sectorpos, m_chunksize);
@@ -350,6 +352,8 @@ public:
 	// Returns the position of the (0,0) sector of the chunk
 	v2s16 chunk_to_sector(v2s16 chunkpos)
 	{
+		if(m_chunksize == 0)
+			return v2s16(0,0);
 		v2s16 sectorpos(
 			chunkpos.X * m_chunksize,
 			chunkpos.Y * m_chunksize
@@ -378,6 +382,9 @@ public:
 	*/
 	bool chunkNonVolatile(v2s16 chunkpos)
 	{
+		if(m_chunksize == 0)
+			return true;
+		
 		/*for(s16 x=-1; x<=1; x++)
 		for(s16 y=-1; y<=1; y++)*/
 		s16 x=0;
@@ -393,6 +400,9 @@ public:
 		return true;
 	}
 
+	/*
+		Chunks are generated by using these and makeChunk().
+	*/
 	void initChunkMake(ChunkMakeData &data, v2s16 chunkpos);
 	MapChunk* finishChunkMake(ChunkMakeData &data,
 			core::map<v3s16, MapBlock*> &changed_blocks);
@@ -402,16 +412,16 @@ public:
 
 		All chunks touching this one can be altered also.
 	*/
-	MapChunk* generateChunkRaw(v2s16 chunkpos,
+	/*MapChunk* generateChunkRaw(v2s16 chunkpos,
 			core::map<v3s16, MapBlock*> &changed_blocks,
-			bool force=false);
+			bool force=false);*/
 	
 	/*
 		Generate a chunk and its neighbors so that it won't be touched
 		anymore.
 	*/
-	MapChunk* generateChunk(v2s16 chunkpos,
-			core::map<v3s16, MapBlock*> &changed_blocks);
+	/*MapChunk* generateChunk(v2s16 chunkpos,
+			core::map<v3s16, MapBlock*> &changed_blocks);*/
 	
 	/*
 		Generate a sector.
@@ -434,14 +444,14 @@ public:
 		- Check disk (loads blocks also)
 		- Generate chunk
 	*/
-	MapSector * emergeSector(v2s16 p,
-			core::map<v3s16, MapBlock*> &changed_blocks);
+	/*MapSector * emergeSector(v2s16 p,
+			core::map<v3s16, MapBlock*> &changed_blocks);*/
 	
-	MapSector * emergeSector(v2s16 p)
+	/*MapSector * emergeSector(v2s16 p)
 	{
 		core::map<v3s16, MapBlock*> changed_blocks;
 		return emergeSector(p, changed_blocks);
-	}
+	}*/
 
 	MapBlock * generateBlock(
 			v3s16 p,
@@ -516,7 +526,7 @@ public:
 	v3s16 getBlockPos(std::string sectordir, std::string blockfile);
 
 	void save(bool only_changed);
-	void loadAll();
+	//void loadAll();
 	
 	// Saves map seed and possibly other stuff
 	void saveMapMeta();
@@ -557,6 +567,7 @@ private:
 	bool m_map_saving_enabled;
 
 	// Chunk size in MapSectors
+	// If 0, chunks are disabled.
 	s16 m_chunksize;
 	// Chunks
 	core::map<v2s16, MapChunk*> m_chunks;
@@ -754,6 +765,7 @@ protected:
 
 struct ChunkMakeData
 {
+	bool no_op;
 	ManualMapVoxelManipulator vmanip;
 	u64 seed;
 	v2s16 chunkpos;
@@ -764,8 +776,10 @@ struct ChunkMakeData
 	v2s16 sectorpos_bigbase;
 	s16 sectorpos_bigbase_size;
 	s16 max_spread_amount;
+	UniqueQueue<v3s16> transforming_liquid;
 
 	ChunkMakeData():
+		no_op(false),
 		vmanip(NULL)
 	{}
 };