oss/luanti
oss/luanti
1
0
Fork 0
mirror of https://github.com/luanti-org/luanti.git synced 2025-09-30 19:22:14 +00:00
Code Wiki Activity

Monoblocks: optimize blocks that contain a single type of node (#16293)

Browse source 
Reduces memory usage on the server, especially with many user and/or large viewing distances.
Currently disabled on the client due to known data races on a block's data.
This commit is contained in:
lhofhansl 2025-09-21 13:19:30 -07:00 • committed by GitHub
parent afd681d013
commit 08b7870c79
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
11 changed files with 245 additions and 47 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/voxel.cpp
View file

@ -177,7 +177,7 @@ void VoxelManipulator::addArea(const VoxelArea &area)
delete[] old_flags;
}
void VoxelManipulator::copyFrom(MapNode *src, const VoxelArea& src_area,
void VoxelManipulator::copyFrom(MapNode *src, bool is_mono_block, const VoxelArea& src_area,
v3s16 from_pos, v3s16 to_pos, const v3s16 &size)
{
/* The reason for this optimised code is that we're a member function
@ -216,8 +216,12 @@ void VoxelManipulator::copyFrom(MapNode *src, const VoxelArea& src_area,
for (s16 z = 0; z < size.Z; z++) {
for (s16 y = 0; y < size.Y; y++) {
memcpy(&m_data[i_local], &src[i_src], size.X * sizeof(*m_data));
memset(&m_flags[i_local], 0, size.X);
if (is_mono_block) {
std::fill_n(m_data + i_local, size.X, src[0]);
} else {
std::copy_n(src + i_src, size.X, m_data + i_local);
}
std::fill_n(m_flags + i_local, size.X, 0);
i_src += src_step;
i_local += dest_step;
}