From b0746834cc44af1086c83715d0d6f749f653f29a Mon Sep 17 00:00:00 2001 From: lhofhansl Date: Sat, 7 Jan 2017 23:42:25 -0800 Subject: [PATCH] Get neighbor from same map block if possible in ABMHandler (#4998) --- src/environment.cpp | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-) diff --git a/src/environment.cpp b/src/environment.cpp index a0cf9dca..50f5d58a 100644 --- a/src/environment.cpp +++ b/src/environment.cpp @@ -902,14 +902,23 @@ public: if(!i->required_neighbors.empty()) { v3s16 p1; - for(p1.X = p.X-1; p1.X <= p.X+1; p1.X++) - for(p1.Y = p.Y-1; p1.Y <= p.Y+1; p1.Y++) - for(p1.Z = p.Z-1; p1.Z <= p.Z+1; p1.Z++) + for(p1.X = p0.X-1; p1.X <= p0.X+1; p1.X++) + for(p1.Y = p0.Y-1; p1.Y <= p0.Y+1; p1.Y++) + for(p1.Z = p0.Z-1; p1.Z <= p0.Z+1; p1.Z++) { - if(p1 == p) + if(p1 == p0) continue; - MapNode n = map->getNodeNoEx(p1); - content_t c = n.getContent(); + content_t c; + if (block->isValidPosition(p1)) { + // if the neighbor is found on the same map block + // get it straight from there + const MapNode &n = block->getNodeUnsafe(p1); + c = n.getContent(); + } else { + // otherwise consult the map + MapNode n = map->getNodeNoEx(p1 + block->getPosRelative()); + c = n.getContent(); + } std::set::const_iterator k; k = i->required_neighbors.find(c); if(k != i->required_neighbors.end()){