diff options
| -rw-r--r-- | src/clientiface.cpp | 4 | ||||
| -rw-r--r-- | src/emerge.cpp | 2 | ||||
| -rw-r--r-- | src/map.cpp | 39 | ||||
| -rw-r--r-- | src/mapblock.h | 58 |
4 files changed, 44 insertions, 59 deletions
diff --git a/src/clientiface.cpp b/src/clientiface.cpp index 11054969c..39223d3eb 100644 --- a/src/clientiface.cpp +++ b/src/clientiface.cpp @@ -238,9 +238,9 @@ void RemoteClient::GetNextBlocks ( continue; /* - Do not go over-limit + Do not go over max mapgen limit */ - if (blockpos_over_limit(p)) + if (blockpos_over_max_limit(p)) continue; // If this is true, inexistent block will be made from scratch diff --git a/src/emerge.cpp b/src/emerge.cpp index a3efb09e7..4c3a83f7e 100644 --- a/src/emerge.cpp +++ b/src/emerge.cpp @@ -606,7 +606,7 @@ void *EmergeThread::run() continue; } - if (blockpos_over_limit(pos)) + if (blockpos_over_max_limit(pos)) continue; bool allow_gen = bedata.flags & BLOCK_EMERGE_ALLOW_GEN; diff --git a/src/map.cpp b/src/map.cpp index 689112c7d..504760d09 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -1380,9 +1380,9 @@ bool ServerMap::initBlockMake(v3s16 blockpos, BlockMakeData *data) v3s16 full_bpmin = bpmin - extra_borders; v3s16 full_bpmax = bpmax + extra_borders; - // Do nothing if not inside limits (+-1 because of neighbors) - if (blockpos_over_limit(full_bpmin) || - blockpos_over_limit(full_bpmax)) + // Do nothing if not inside mapgen limits (+-1 because of neighbors) + if (blockpos_over_mapgen_limit(full_bpmin) || + blockpos_over_mapgen_limit(full_bpmax)) return false; data->seed = getSeed(); @@ -1549,25 +1549,14 @@ ServerMapSector *ServerMap::createSector(v2s16 p2d) #endif /* - Do not create over-limit. - We are checking for any nodes of the mapblocks of the sector being beyond the limit. - A sector is a vertical column of mapblocks, so sectorpos is like a 2D blockpos. - - At the negative limit we are checking for - block minimum nodepos < -mapgenlimit. - At the positive limit we are checking for - block maximum nodepos > mapgenlimit. - - Block minimum nodepos = blockpos * mapblocksize. - Block maximum nodepos = (blockpos + 1) * mapblocksize - 1. + Do not create over max mapgen limit */ - const u16 map_gen_limit = MYMIN(MAX_MAP_GENERATION_LIMIT, - g_settings->getU16("map_generation_limit")); - if (p2d.X * MAP_BLOCKSIZE < -map_gen_limit - || (p2d.X + 1) * MAP_BLOCKSIZE - 1 > map_gen_limit - || p2d.Y * MAP_BLOCKSIZE < -map_gen_limit - || (p2d.Y + 1) * MAP_BLOCKSIZE - 1 > map_gen_limit) - throw InvalidPositionException("createSector(): pos. over limit"); + const s16 max_limit_bp = MAX_MAP_GENERATION_LIMIT / MAP_BLOCKSIZE; + if (p2d.X < -max_limit_bp || + p2d.X > max_limit_bp || + p2d.Y < -max_limit_bp || + p2d.Y > max_limit_bp) + throw InvalidPositionException("createSector(): pos. over max mapgen limit"); /* Generate blank sector @@ -1708,10 +1697,10 @@ MapBlock * ServerMap::createBlock(v3s16 p) FUNCTION_NAME, p.X, p.Y, p.Z); /* - Do not create over-limit + Do not create over max mapgen limit */ - if (blockpos_over_limit(p)) - throw InvalidPositionException("createBlock(): pos. over limit"); + if (blockpos_over_max_limit(p)) + throw InvalidPositionException("createBlock(): pos. over max mapgen limit"); v2s16 p2d(p.X, p.Z); s16 block_y = p.Y; @@ -2655,7 +2644,7 @@ void MMVManip::initialEmerge(v3s16 blockpos_min, v3s16 blockpos_max, if(block_data_inexistent) { - if (load_if_inexistent && !blockpos_over_limit(p)) { + if (load_if_inexistent && !blockpos_over_max_limit(p)) { ServerMap *svrmap = (ServerMap *)m_map; block = svrmap->emergeBlock(p, false); if (block == NULL) diff --git a/src/mapblock.h b/src/mapblock.h index 8a7dfc11d..be2edc791 100644 --- a/src/mapblock.h +++ b/src/mapblock.h @@ -669,41 +669,37 @@ typedef std::vector<MapBlock*> MapBlockVect; inline bool objectpos_over_limit(v3f p) { - // MAP_BLOCKSIZE must be subtracted to avoid an object being spawned just - // within the map generation limit but in a block and sector that extend - // beyond the map generation limit. - // This avoids crashes caused by sector over limit in createSector(). - const float object_limit = (MYMIN(MAX_MAP_GENERATION_LIMIT, - g_settings->getU16("map_generation_limit")) - MAP_BLOCKSIZE) * BS; - return (p.X < -object_limit - || p.X > object_limit - || p.Y < -object_limit - || p.Y > object_limit - || p.Z < -object_limit - || p.Z > object_limit); + const float max_limit_bs = MAX_MAP_GENERATION_LIMIT * BS; + return p.X < -max_limit_bs || + p.X > max_limit_bs || + p.Y < -max_limit_bs || + p.Y > max_limit_bs || + p.Z < -max_limit_bs || + p.Z > max_limit_bs; } -/* - We are checking for any node of the mapblock being beyond the limit. - - At the negative limit we are checking for - block minimum nodepos < -mapgenlimit. - At the positive limit we are checking for - block maximum nodepos > mapgenlimit. +inline bool blockpos_over_max_limit(v3s16 p) +{ + const s16 max_limit_bp = MAX_MAP_GENERATION_LIMIT / MAP_BLOCKSIZE; + return p.X < -max_limit_bp || + p.X > max_limit_bp || + p.Y < -max_limit_bp || + p.Y > max_limit_bp || + p.Z < -max_limit_bp || + p.Z > max_limit_bp; +} - Block minimum nodepos = blockpos * mapblocksize. - Block maximum nodepos = (blockpos + 1) * mapblocksize - 1. -*/ -inline bool blockpos_over_limit(v3s16 p) +inline bool blockpos_over_mapgen_limit(v3s16 p) { - const u16 map_gen_limit = MYMIN(MAX_MAP_GENERATION_LIMIT, - g_settings->getU16("map_generation_limit")); - return (p.X * MAP_BLOCKSIZE < -map_gen_limit - || (p.X + 1) * MAP_BLOCKSIZE - 1 > map_gen_limit - || p.Y * MAP_BLOCKSIZE < -map_gen_limit - || (p.Y + 1) * MAP_BLOCKSIZE - 1 > map_gen_limit - || p.Z * MAP_BLOCKSIZE < -map_gen_limit - || (p.Z + 1) * MAP_BLOCKSIZE - 1 > map_gen_limit); + const s16 mapgen_limit_bp = rangelim( + g_settings->getS16("map_generation_limit"), 0, MAX_MAP_GENERATION_LIMIT) / + MAP_BLOCKSIZE; + return p.X < -mapgen_limit_bp || + p.X > mapgen_limit_bp || + p.Y < -mapgen_limit_bp || + p.Y > mapgen_limit_bp || + p.Z < -mapgen_limit_bp || + p.Z > mapgen_limit_bp; } /* |