zdoom/gzdoom-gles
0
0
Fork 0
mirror of https://github.com/ZDoom/gzdoom-gles.git synced 2024-12-01 08:31:14 +00:00
Code Issues Projects Releases Packages Wiki Activity

- optimized P_PointInSubsector.

Browse source 
It costs more to convert the floating point coordinate for each node check than to convert it once up front and only use fixed point math afterward.
This commit is contained in:
Christoph Oelckers 2016-04-18 12:54:55 +02:00
parent c5c032911c
commit 8c1eb201eb
1 changed files with 3 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
src/p_glnodes.cpp
View file

@ -1344,9 +1344,11 @@ subsector_t *P_PointInSubsector (double x, double y)
node = gamenodes + numgamenodes - 1;
fixed_t xx = FLOAT2FIXED(x);
fixed_t yy = FLOAT2FIXED(y);
do
{
side = R_PointOnSide (x, y, node);
side = R_PointOnSide (xx, yy, node);
node = (node_t *)node->children[side];
}
while (!((size_t)node & 1));