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Merge branch 'master' of https://github.com/rheit/zdoom

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This commit is contained in:
Christoph Oelckers 2016-12-08 12:50:57 +01:00
commit 715bdd69af
1 changed files with 7 additions and 4 deletions
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11
src/p_sight.cpp
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@ -716,6 +716,7 @@ bool SightCheck::P_SightPathTraverse ()
// step through map blocks
// Count is present to prevent a round off error from skipping the break
int itres;
for (count = 0 ; count < 1000 ; count++)
{
// end traversing when reaching the end of the blockmap
@ -724,15 +725,15 @@ bool SightCheck::P_SightPathTraverse ()
{
break;
}
int res = P_SightBlockLinesIterator(mapx, mapy);
if (res == 0)
itres = P_SightBlockLinesIterator(mapx, mapy);
if (itres == 0)
{
sightcounts[1]++;
return false; // early out
}
// either reached the end or had an early-out condition with portals left to check,
if (res == -1 || (mapxstep | mapystep) == 0)
if (itres == -1 || (mapxstep | mapystep) == 0)
break;
switch (((xs_FloorToInt(yintercept) == mapy) << 1) | (xs_FloorToInt(xintercept) == mapx))
@ -787,7 +788,9 @@ sightcounts[1]++;
//
sightcounts[2]++;
return P_SightTraverseIntercepts ( );
bool traverseres = P_SightTraverseIntercepts ( );
if (itres == -1) return false; // if the iterator had an early out there was no line of sight. The traverser was only called to collect more portals.
return traverseres;
}
/*