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git-svn-id: https://svn.eduke32.com/eduke32@8363 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-12-07 23:49:41 +00:00 committed by Christoph Oelckers
parent 30402e9e13
commit 265e7109aa
1 changed files with 46 additions and 9 deletions
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55
source/build/src/engine.cpp
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@ -159,7 +159,8 @@ int32_t globaltilesizy;
int32_t globalx1, globaly2, globalx3, globaly3;
int32_t sloptable[SLOPTABLESIZ];
static intptr_t slopalookup[16384]; // was 2048
#define SLOPALOOKUPSIZ (MAXXDIM<<1)
static intptr_t slopalookup[SLOPALOOKUPSIZ]; // was 2048
static int32_t no_radarang2 = 0;
static int16_t radarang[1280];
@ -3389,7 +3390,7 @@ static void fgrouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
int32_t i, j, l, globalx1, globaly1, y1, y2, daslope, daz, wxi, wyi;
float fi, wx, wy, dasqr;
float globalx, globaly, globalx2, globaly2, globalx3, globaly3, globalz, globalzd, globalzx;
int32_t shoffs, m1, m2;
int32_t shoffs, m1, m2, shy1, shy2;
intptr_t *mptr1, *mptr2;
const usectortype *const sec = (usectortype *)&sector[sectnum];
@ -3523,7 +3524,14 @@ static void fgrouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
//Avoid visibility overflow by crossing horizon
m1 += klabs(l);
m2 = m1+l;
mptr1 = (intptr_t *)&slopalookup[y1+(shoffs>>15)]; mptr2 = mptr1+1;
shy1 = y1+(shoffs>>15);
if ((unsigned)shy1 >= SLOPALOOKUPSIZ-1)
{
OSD_Printf("%s:%d: slopalookup[] overflow drawing sector %d!\n", EDUKE32_FUNCTION, __LINE__, sectnum);
return;
}
mptr1 = &slopalookup[shy1]; mptr2 = mptr1+1;
for (int x=dax1; x<=dax2; x++)
{
@ -3531,8 +3539,18 @@ static void fgrouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
else { y1 = max(umost[x],dplc[x]); y2 = dmost[x]-1; }
if (y1 <= y2)
{
intptr_t *nptr1 = &slopalookup[y1+(shoffs>>15)];
intptr_t *nptr2 = &slopalookup[y2+(shoffs>>15)];
shy1 = y1+(shoffs>>15);
shy2 = y2+(shoffs>>15);
if ((unsigned)shy1 >= SLOPALOOKUPSIZ || (unsigned)shy2 >= SLOPALOOKUPSIZ)
{
// Ridiculously steep gradient?
OSD_Printf("%s:%d: slopalookup[] overflow drawing sector %d!\n", EDUKE32_FUNCTION, __LINE__, sectnum);
goto next_most;
}
intptr_t *nptr1 = &slopalookup[shy1];
intptr_t *nptr2 = &slopalookup[shy2];
while (nptr1 <= mptr1)
{
@ -3662,6 +3680,7 @@ static void fgrouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
#undef LINTERPSIZ
if ((x&15) == 0) faketimerhandler();
}
next_most:
globalx2 += globalx;
globaly2 += globaly;
globalzx += globalz;
@ -3678,7 +3697,7 @@ static void grouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
}
int32_t i, l, x, y, dx, dy, wx, wy, y1, y2, daz;
int32_t daslope, dasqr;
int32_t shoffs, m1, m2;
int32_t shoffs, m1, m2, shy1, shy2;
intptr_t *mptr1, *mptr2, j;
// Er, yes, they're not global anymore:
@ -3810,7 +3829,14 @@ static void grouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
//Avoid visibility overflow by crossing horizon
m1 += klabs((int32_t) (globalzd>>16));
m2 = m1+l;
mptr1 = (intptr_t *)&slopalookup[y1+(shoffs>>15)]; mptr2 = mptr1+1;
shy1 = y1+(shoffs>>15);
if ((unsigned)shy1 >= SLOPALOOKUPSIZ - 1)
{
OSD_Printf("%s:%d: slopalookup[] overflow drawing sector %d!\n", EDUKE32_FUNCTION, __LINE__, sectnum);
return;
}
mptr1 = &slopalookup[shy1]; mptr2 = mptr1+1;
for (x=dax1; x<=dax2; x++)
{
@ -3818,8 +3844,18 @@ static void grouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
else { y1 = max(umost[x],dplc[x]); y2 = dmost[x]-1; }
if (y1 <= y2)
{
intptr_t *nptr1 = &slopalookup[y1+(shoffs>>15)];
intptr_t *nptr2 = &slopalookup[y2+(shoffs>>15)];
shy1 = y1+(shoffs>>15);
shy2 = y2+(shoffs>>15);
if ((unsigned)shy1 >= SLOPALOOKUPSIZ || (unsigned)shy2 >= SLOPALOOKUPSIZ)
{
// Ridiculously steep gradient?
OSD_Printf("%s:%d: slopalookup[] overflow drawing sector %d!\n", EDUKE32_FUNCTION, __LINE__, sectnum);
goto next_most;
}
intptr_t *nptr1 = &slopalookup[shy1];
intptr_t *nptr2 = &slopalookup[shy2];
while (nptr1 <= mptr1)
{
@ -3851,6 +3887,7 @@ static void grouscan(int32_t dax1, int32_t dax2, int32_t sectnum, char dastat)
if ((x&15) == 0) faketimerhandler();
}
next_most:
globalx2 += globalx;
globaly2 += globaly;
globalzx += globalz;