-#if 0
- /*
- Do not generate over-limit
- */
- if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
- || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
- throw InvalidPositionException("emergeBlock(): pos. over limit");
-
- v2s16 p2d(p.X, p.Z);
- s16 block_y = p.Y;
- /*
- This will create or load a sector if not found in memory.
- If block exists on disk, it will be loaded.
- */
- ServerMapSector *sector;
- try{
- sector = createSector(p2d);
- //sector = emergeSector(p2d, changed_blocks);
- }
- catch(InvalidPositionException &e)
- {
- dstream<<"emergeBlock: createSector() failed: "
- <<e.what()<<std::endl;
- dstream<<"Path to failed sector: "<<getSectorDir(p2d)
- <<std::endl
- <<"You could try to delete it."<<std::endl;
- throw e;
- }
- catch(VersionMismatchException &e)
- {
- dstream<<"emergeBlock: createSector() failed: "
- <<e.what()<<std::endl;
- dstream<<"Path to failed sector: "<<getSectorDir(p2d)
- <<std::endl
- <<"You could try to delete it."<<std::endl;
- throw e;
- }
-
- /*
- Try to get a block from the sector
- */
-
- bool does_not_exist = false;
- bool lighting_expired = false;
- MapBlock *block = sector->getBlockNoCreateNoEx(block_y);
-
- // If not found, try loading from disk
- if(block == NULL)
- {
- block = loadBlock(p);
- }
-
- // Handle result
- if(block == NULL)
- {
- does_not_exist = true;
- }
- else if(block->isDummy() == true)
- {
- does_not_exist = true;
- }
- else if(block->getLightingExpired())
- {
- lighting_expired = true;
- }
- else
- {
- // Valid block
- //dstream<<"emergeBlock(): Returning already valid block"<<std::endl;
- return block;
- }
-
- /*
- If block was not found on disk and not going to generate a
- new one, make sure there is a dummy block in place.
- */
- if(only_from_disk && (does_not_exist || lighting_expired))
- {
- //dstream<<"emergeBlock(): Was not on disk but not generating"<<std::endl;
-
- if(block == NULL)
- {
- // Create dummy block
- block = new MapBlock(this, p, true);
-
- // Add block to sector
- sector->insertBlock(block);
- }
- // Done.
- return block;
- }
-
- //dstream<<"Not found on disk, generating."<<std::endl;
- // 0ms
- //TimeTaker("emergeBlock() generate");
-
- //dstream<<"emergeBlock(): Didn't find valid block -> making one"<<std::endl;
-
- /*
- If the block doesn't exist, generate the block.
- */
- if(does_not_exist)
- {
- block = generateBlock(p, block, sector, changed_blocks,
- lighting_invalidated_blocks);
- }
-
- if(lighting_expired)
- {
- lighting_invalidated_blocks.insert(p, block);
- }
-
-#if 0
- /*
- Initially update sunlight
- */
- {
- core::map<v3s16, bool> light_sources;
- bool black_air_left = false;
- bool bottom_invalid =
- block->propagateSunlight(light_sources, true,
- &black_air_left);
-
- // If sunlight didn't reach everywhere and part of block is
- // above ground, lighting has to be properly updated
- //if(black_air_left && some_part_underground)
- if(black_air_left)
- {
- lighting_invalidated_blocks[block->getPos()] = block;
- }
-
- if(bottom_invalid)
- {
- lighting_invalidated_blocks[block->getPos()] = block;
- }
- }
-#endif
-
- return block;
-}
-#endif
-