- // If could not load and allowed to generate,
- // start generation inside this same envlock
- if (allow_gen && (block == NULL || !block->isGenerated())) {
- EMERGE_DBG_OUT("generating");
- *b = block;
- return map->initBlockMake(data, p);
+ // 3). Attempt to start generation
+ if (allow_gen && m_map->initBlockMake(pos, bmdata))
+ return EMERGE_GENERATED;
+
+ // All attempts failed; cancel this block emerge
+ return EMERGE_CANCELLED;
+}
+
+
+MapBlock *EmergeThread::finishGen(v3s16 pos, BlockMakeData *bmdata,
+ std::map<v3s16, MapBlock *> *modified_blocks)
+{
+ MutexAutoLock envlock(m_server->m_env_mutex);
+ ScopeProfiler sp(g_profiler,
+ "EmergeThread: after Mapgen::makeChunk", SPT_AVG);
+
+ /*
+ Perform post-processing on blocks (invalidate lighting, queue liquid
+ transforms, etc.) to finish block make
+ */
+ m_map->finishBlockMake(bmdata, modified_blocks);
+
+ MapBlock *block = m_map->getBlockNoCreateNoEx(pos);
+ if (!block) {
+ errorstream << "EmergeThread::finishGen: Couldn't grab block we "
+ "just generated: " << PP(pos) << std::endl;
+ return NULL;
+ }
+
+ v3s16 minp = bmdata->blockpos_min * MAP_BLOCKSIZE;
+ v3s16 maxp = bmdata->blockpos_max * MAP_BLOCKSIZE +
+ v3s16(1,1,1) * (MAP_BLOCKSIZE - 1);
+
+ // Ignore map edit events, they will not need to be sent
+ // to anybody because the block hasn't been sent to anybody
+ MapEditEventAreaIgnorer ign(
+ &m_server->m_ignore_map_edit_events_area,
+ VoxelArea(minp, maxp));
+
+ /*
+ Run Lua on_generated callbacks
+ */
+ try {
+ m_server->getScriptIface()->environment_OnGenerated(
+ minp, maxp, m_mapgen->blockseed);
+ } catch (LuaError &e) {
+ m_server->setAsyncFatalError("Lua: finishGen" + std::string(e.what()));