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| author | Perttu Ahola <celeron55@gmail.com> | 2012-03-29 00:28:48 +0300 |
|---|---|---|
| committer | Perttu Ahola <celeron55@gmail.com> | 2012-03-29 00:28:48 +0300 |
| commit | 02c035c548787a589c2bb813112b080a638e2972 (patch) | |
| tree | 66ae02a8c29b5396bc86392e004c39ccc671b434 /src/mapblock.cpp | |
| parent | 418041d9067319431e4b6301851da117d2f4075b (diff) | |
| download | minetest-02c035c548787a589c2bb813112b080a638e2972.tar.gz minetest-02c035c548787a589c2bb813112b080a638e2972.tar.bz2 minetest-02c035c548787a589c2bb813112b080a638e2972.zip | |
Reduce EnvRef:set_node() time tenfold by postponing the dayNightDiff update until it is actually needed
Diffstat (limited to 'src/mapblock.cpp')
| -rw-r--r-- | src/mapblock.cpp | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/src/mapblock.cpp b/src/mapblock.cpp index 70cb0e370..5ad86fde4 100644 --- a/src/mapblock.cpp +++ b/src/mapblock.cpp @@ -49,6 +49,7 @@ MapBlock::MapBlock(Map *parent, v3s16 pos, IGameDef *gamedef, bool dummy): is_underground(false), m_lighting_expired(true), m_day_night_differs(false), + m_day_night_differs_expired(true), m_generated(false), m_timestamp(BLOCK_TIMESTAMP_UNDEFINED), m_disk_timestamp(BLOCK_TIMESTAMP_UNDEFINED), @@ -355,9 +356,11 @@ void MapBlock::copyFrom(VoxelManipulator &dst) getPosRelative(), data_size); } -void MapBlock::updateDayNightDiff() +void MapBlock::actuallyUpdateDayNightDiff() { INodeDefManager *nodemgr = m_gamedef->ndef(); + // Running this function un-expires m_day_night_differs + m_day_night_differs_expired = false; if(data == NULL) { @@ -404,6 +407,19 @@ void MapBlock::updateDayNightDiff() m_day_night_differs = differs; } +void MapBlock::expireDayNightDiff() +{ + INodeDefManager *nodemgr = m_gamedef->ndef(); + + if(data == NULL){ + m_day_night_differs = false; + m_day_night_differs_expired = false; + return; + } + + m_day_night_differs_expired = true; +} + s16 MapBlock::getGroundLevel(v2s16 p2d) { if(isDummy()) @@ -545,7 +561,7 @@ void MapBlock::serialize(std::ostream &os, u8 version, bool disk) u8 flags = 0; if(is_underground) flags |= 0x01; - if(m_day_night_differs) + if(getDayNightDiff()) flags |= 0x02; if(m_lighting_expired) flags |= 0x04; @@ -614,6 +630,8 @@ void MapBlock::deSerialize(std::istream &is, u8 version, bool disk) if(!ser_ver_supported(version)) throw VersionMismatchException("ERROR: MapBlock format not supported"); + m_day_night_differs_expired = false; + if(version <= 21) { deSerialize_pre22(is, version, disk); @@ -800,7 +818,7 @@ void MapBlock::serialize_pre22(std::ostream &os, u8 version, bool disk) u8 flags = 0; if(is_underground) flags |= 0x01; - if(m_day_night_differs) + if(getDayNightDiff()) flags |= 0x02; if(m_lighting_expired) flags |= 0x04; |