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8x block meshes (#13133)

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Reduce the number of drawcalls by generating a mesh per 8 blocks (2x2x2). Only blocks with even coordinates (lowest bit set to 0) will get a mesh.

Note: This also removes the old 'loops' algorithm for building the draw list, because it produces visual artifacts and cannot be made compatible with the approach of having a mesh for every 8th block without hurting performance.

Co-authored-by: Jude Melton-Houghton <jwmhjwmh@gmail.com>
Co-authored-by: Lars <larsh@apache.org>
Co-authored-by: sfan5 <sfan5@live.de>
This commit is contained in:
x2048 2023-01-31 17:30:59 +01:00 • committed by GitHub
parent cded6a3945
commit 69fc206109
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GPG key ID: 4AEE18F83AFDEB23
14 changed files with 266 additions and 118 deletions
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7
src/map.cpp
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@ -325,6 +325,7 @@ void Map::timerUpdate(float dtime, float unload_timeout, s32 max_loaded_blocks,
u32 deleted_blocks_count = 0;
u32 saved_blocks_count = 0;
u32 block_count_all = 0;
u32 locked_blocks = 0;
const auto start_time = porting::getTimeUs();
beginSave();
@ -396,8 +397,10 @@ void Map::timerUpdate(float dtime, float unload_timeout, s32 max_loaded_blocks,
MapBlock *block = b.block;
if (block->refGet() != 0)
if (block->refGet() != 0) {
locked_blocks++;
continue;
}
v3s16 p = block->getPos();
@ -442,7 +445,7 @@ void Map::timerUpdate(float dtime, float unload_timeout, s32 max_loaded_blocks,
<<" blocks from memory";
if(save_before_unloading)
infostream<<", of which "<<saved_blocks_count<<" were written";
infostream<<", "<<block_count_all<<" blocks in memory";
infostream<<", "<<block_count_all<<" blocks in memory, " << locked_blocks << " locked";
infostream<<"."<<std::endl;
if(saved_blocks_count != 0){
PrintInfo(infostream); // ServerMap/ClientMap: