From ab02f0aa1b852391db89a1384f5c7271271196a5 Mon Sep 17 00:00:00 2001 From: Perttu Ahola Date: Tue, 24 May 2011 20:03:19 +0300 Subject: [PATCH] Added a check that avoids server crash (unhandled exception) when map generation is attempted near limit --- src/map.cpp | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/src/map.cpp b/src/map.cpp index c681a24b..a49de3c4 100644 --- a/src/map.cpp +++ b/src/map.cpp @@ -3586,7 +3586,18 @@ void ServerMap::initChunkMake(ChunkMakeData &data, v2s16 chunkpos) sectorpos_base - v2s16(1,1) * max_spread_amount_sectors; s16 sectorpos_bigbase_size = sectorpos_base_size + 2 * max_spread_amount_sectors; - + + // Check limits + const s16 limit = MAP_GENERATION_LIMIT / MAP_BLOCKSIZE; + if(sectorpos_bigbase.X < -limit + || sectorpos_bigbase.X + sectorpos_bigbase_size >= limit + || sectorpos_bigbase.Y < -limit + || sectorpos_bigbase.Y + sectorpos_bigbase_size >= limit) + { + data.no_op = true; + return; + } + data.seed = m_seed; data.chunkpos = chunkpos; data.y_blocks_min = y_blocks_min; -- 2.30.2