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Factor out high-level 'add loop to sector' code into own function.

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git-svn-id: https://svn.eduke32.com/eduke32@2128 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2011-11-25 09:52:37 +00:00
parent c196e27ee9
commit 98ad4d7132
1 changed files with 99 additions and 83 deletions
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176
polymer/eduke32/build/src/build.c
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@ -2642,6 +2642,99 @@ static int32_t vec2eq(const vec2_t *v1, const vec2_t *v2)
return (v1->x==v2->x && v1->y==v2->y);
}
// precondition: [numwalls, newnumwalls-1] form a new loop (may be of wrong orientation)
// returns:
// -1, -2: errors
// 0, 1: OK, 1 means it was an extended sector and an inner loop has been added automatically
static int32_t AddLoopToSector(int32_t k)
{
int32_t extendedSector=0, firstwall, i, j;
#ifdef YAX_ENABLE
int16_t cbunch, fbunch;
int32_t newnumwalls2;
yax_getbunches(k, &cbunch, &fbunch);
extendedSector = (cbunch>=0 || fbunch>=0);
#endif
j = newnumwalls-numwalls;
#ifdef YAX_ENABLE
newnumwalls2 = newnumwalls + j;
if (extendedSector)
{
if ((cbunch>=0 && (sector[k].ceilingstat&2))
|| (fbunch>=0 && (sector[k].floorstat&2)))
{
message("Sloped extended sectors cannot be subdivided.");
newnumwalls--;
return -1;
}
if (newnumwalls + j > MAXWALLS || numsectors+1 > MAXSECTORS)
{
message("Automatically adding inner sector to new extended sector would exceed limits!");
newnumwalls--;
return -2;
}
}
#endif
if (clockdir(numwalls) == 0)
flipwalls(numwalls,newnumwalls);
sector[k].wallnum += j;
for (i=k+1; i<numsectors; i++)
sector[i].wallptr += j;
firstwall = sector[k].wallptr;
for (i=0; i<numwalls; i++)
{
if (wall[i].nextwall >= firstwall)
wall[i].nextwall += j;
if (wall[i].point2 >= firstwall)
wall[i].point2 += j;
}
#ifdef YAX_ENABLE
yax_tweakwalls(firstwall, j);
#endif
Bmemmove(&wall[firstwall+j], &wall[firstwall], (newnumwalls-firstwall)*sizeof(walltype));
// add new loop to beginning of sector
Bmemmove(&wall[firstwall], &wall[newnumwalls], j*sizeof(walltype));
for (i=firstwall; i<firstwall+j; i++)
{
wall[i].point2 += (firstwall-numwalls);
copy_some_wall_members(i, firstwall+j, 1);
wall[i].cstat &= ~(1+16+32+64);
}
numwalls = newnumwalls;
newnumwalls = -1;
#ifdef YAX_ENABLE
if (extendedSector)
{
newnumwalls = whitelinescan(k, firstwall);
if (newnumwalls != newnumwalls2)
message("AddLoopToSector: newnumwalls != newnumwalls2!!! WTF?");
for (i=numwalls; i<newnumwalls; i++)
{
NEXTWALL(i).nextwall = i;
NEXTWALL(i).nextsector = numsectors;
}
yax_setbunches(numsectors, cbunch, fbunch);
numwalls = newnumwalls;
newnumwalls = -1;
numsectors++;
}
#endif
setfirstwall(k, firstwall+j); // restore old first wall
return extendedSector;
}
void overheadeditor(void)
{
char buffer[80];
@ -5943,89 +6036,12 @@ check_next_sector: ;
}
else //else add loop to sector
{
int32_t firstwall;
#ifdef YAX_ENABLE
int16_t cbunch, fbunch;
int32_t extendedSector, newnumwalls2;
int32_t ret = AddLoopToSector(k);
yax_getbunches(k, &cbunch, &fbunch);
extendedSector = (cbunch>=0 || fbunch>=0);
#endif
j = newnumwalls-numwalls;
#ifdef YAX_ENABLE
newnumwalls2 = newnumwalls + j;
if (extendedSector)
{
if ((cbunch>=0 && (sector[k].ceilingstat&2))
|| (fbunch>=0 && (sector[k].floorstat&2)))
{
message("Sloped extended sectors cannot be subdivided.");
newnumwalls--;
if (ret < 0)
goto end_space_handling;
}
if (newnumwalls + j > MAXWALLS || numsectors+1 > MAXSECTORS)
{
message("Automatically adding inner sector to new extended sector would exceed limits!");
newnumwalls--;
goto end_space_handling;
}
}
#endif
if (clockdir(numwalls) == 0)
flipwalls(numwalls,newnumwalls);
sector[k].wallnum += j;
for (i=k+1; i<numsectors; i++)
sector[i].wallptr += j;
firstwall = sector[k].wallptr;
for (i=0; i<numwalls; i++)
{
if (wall[i].nextwall >= firstwall)
wall[i].nextwall += j;
if (wall[i].point2 >= firstwall)
wall[i].point2 += j;
}
#ifdef YAX_ENABLE
yax_tweakwalls(firstwall, j);
#endif
Bmemmove(&wall[firstwall+j], &wall[firstwall], (newnumwalls-firstwall)*sizeof(walltype));
Bmemmove(&wall[firstwall], &wall[newnumwalls], j*sizeof(walltype));
for (i=firstwall; i<firstwall+j; i++)
{
wall[i].point2 += (firstwall-numwalls);
copy_some_wall_members(i, firstwall+j, 1);
wall[i].cstat &= ~(1+16+32+64);
}
numwalls = newnumwalls;
newnumwalls = -1;
#ifdef YAX_ENABLE
if (extendedSector)
{
newnumwalls = whitelinescan(k, firstwall);
if (newnumwalls != newnumwalls2)
message("YAX: WTF?");
for (i=numwalls; i<newnumwalls2; i++)
{
NEXTWALL(i).nextwall = i;
NEXTWALL(i).nextsector = numsectors;
}
yax_setbunches(numsectors, cbunch, fbunch);
numwalls = newnumwalls2;
newnumwalls = -1;
numsectors++;
}
#endif
setfirstwall(k, firstwall+j); // restore old first wall
#ifdef YAX_ENABLE
if (extendedSector)
else if (ret > 0)
printmessage16("Added inner loop to sector %d and made new inner sector", k);
else
#endif