luanti-org/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-10-16 01:45:36 +02:00
Code Activity

Reduce server CPU consumed by occlusion culling. (#13260)

Browse Source 
Cache blocks already occluded at a specific distance. The RemoteClient typically visits the same distance multiple time - especially at larger distances, so this saves significant CPU from recalculating the occlusion state of blocks.
This commit is contained in:
lhofhansl
2023-03-05 21:33:41 -08:00
committed by GitHub
parent 9ef3c8ce38
commit 1f0d042377
2 changed files with 23 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
src/clientiface.cpp
View File

@@ -328,8 +328,15 @@ void RemoteClient::GetNextBlocks (
continue;
}
/*
Check occlusion cache first.
*/
if (m_blocks_occ.find(p) != m_blocks_occ.end())
continue;
if (m_occ_cull && !block_not_found &&
env->getMap().isBlockOccluded(block, cam_pos_nodes)) {
m_blocks_occ.insert(p);
continue;
}
}
@@ -395,8 +402,11 @@ queue_full_break:
}
}
if (new_nearest_unsent_d != -1)
if (new_nearest_unsent_d != -1 && m_nearest_unsent_d != new_nearest_unsent_d) {
m_nearest_unsent_d = new_nearest_unsent_d;
// if the distance has changed, clear the occlusion cache
m_blocks_occ.clear();
}
}
void RemoteClient::GotBlock(v3s16 p)