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Stop wasting time in abm - performance improvement

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Unless I'm mistaken, the chunk of code I'm moving there is potentially
executed hundreds of times inside the loop to get the exact same result
every time
This commit is contained in:
Ciaran Gultnieks
2014-03-03 18:43:53 +00:00
committed by sapier
parent a4e2198e41
commit db98ef6b45
1 changed files with 23 additions and 23 deletions
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46
src/environment.cpp
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@ -719,6 +719,29 @@ public:
ServerMap *map = &m_env->getServerMap();
// Find out how many objects the block contains
u32 active_object_count = block->m_static_objects.m_active.size();
// Find out how many objects this and all the neighbors contain
u32 active_object_count_wider = 0;
u32 wider_unknown_count = 0;
for(s16 x=-1; x<=1; x++)
for(s16 y=-1; y<=1; y++)
for(s16 z=-1; z<=1; z++)
{
MapBlock *block2 = map->getBlockNoCreateNoEx(
block->getPos() + v3s16(x,y,z));
if(block2==NULL){
wider_unknown_count = 0;
continue;
}
active_object_count_wider +=
block2->m_static_objects.m_active.size()
+ block2->m_static_objects.m_stored.size();
}
// Extrapolate
u32 wider_known_count = 3*3*3 - wider_unknown_count;
active_object_count_wider += wider_unknown_count * active_object_count_wider / wider_known_count;
v3s16 p0;
for(p0.X=0; p0.X<MAP_BLOCKSIZE; p0.X++)
for(p0.Y=0; p0.Y<MAP_BLOCKSIZE; p0.Y++)
@ -762,29 +785,6 @@ public:
}
neighbor_found:
// Find out how many objects the block contains
u32 active_object_count = block->m_static_objects.m_active.size();
// Find out how many objects this and all the neighbors contain
u32 active_object_count_wider = 0;
u32 wider_unknown_count = 0;
for(s16 x=-1; x<=1; x++)
for(s16 y=-1; y<=1; y++)
for(s16 z=-1; z<=1; z++)
{
MapBlock *block2 = map->getBlockNoCreateNoEx(
block->getPos() + v3s16(x,y,z));
if(block2==NULL){
wider_unknown_count = 0;
continue;
}
active_object_count_wider +=
block2->m_static_objects.m_active.size()
+ block2->m_static_objects.m_stored.size();
}
// Extrapolate
u32 wider_known_count = 3*3*3 - wider_unknown_count;
active_object_count_wider += wider_unknown_count * active_object_count_wider / wider_known_count;
// Call all the trigger variations
i->abm->trigger(m_env, p, n);
i->abm->trigger(m_env, p, n,