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- simplified setup of polyobjects defined from explicit lines

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The old method had a problem with missing order numbers and aborted the level load and made many assumptions that no longer apply with BSP based polyobject rendering.
This commit is contained in:
Christoph Oelckers 2016-01-09 01:23:00 +01:00
parent 500c1623d0
commit cf564c60c2
1 changed files with 17 additions and 47 deletions
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64
src/po_man.cpp
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@ -1533,6 +1533,11 @@ static void IterFindPolySides (FPolyObj *po, side_t *side)
//
//==========================================================================
static int STACK_ARGS posicmp(const void *a, const void *b)
{
return (*(const side_t **)a)->linedef->args[1] - (*(const side_t **)b)->linedef->args[1];
}
static void SpawnPolyobj (int index, int tag, int type)
{
unsigned int ii;
@ -1577,59 +1582,24 @@ static void SpawnPolyobj (int index, int tag, int type)
// didn't find a polyobj through PO_LINE_START
TArray<side_t *> polySideList;
unsigned int psIndexOld;
for (j = 1; j < PO_MAXPOLYSEGS; j++)
{
psIndexOld = po->Sidedefs.Size();
for (ii = 0; ii < KnownPolySides.Size(); ++ii)
{
i = KnownPolySides[ii];
psIndexOld = po->Sidedefs.Size();
if (i >= 0 &&
sides[i].linedef->special == Polyobj_ExplicitLine &&
sides[i].linedef->args[0] == tag)
{
if (!sides[i].linedef->args[1])
{
I_Error ("SpawnPolyobj: Explicit line missing order number (probably %d) in poly %d.\n",
j+1, tag);
}
if (sides[i].linedef->args[1] == j)
{
po->Sidedefs.Push (&sides[i]);
}
}
}
// Clear out any specials for these segs...we cannot clear them out
// in the above loop, since we aren't guaranteed one seg per linedef.
for (ii = 0; ii < KnownPolySides.Size(); ++ii)
for (ii = 0; ii < KnownPolySides.Size(); ++ii)
{
i = KnownPolySides[ii];
if (i >= 0 &&
sides[i].linedef->special == Polyobj_ExplicitLine &&
sides[i].linedef->args[0] == tag)
{
i = KnownPolySides[ii];
if (i >= 0 &&
sides[i].linedef->special == Polyobj_ExplicitLine &&
sides[i].linedef->args[0] == tag && sides[i].linedef->args[1] == j)
if (!sides[i].linedef->args[1])
{
sides[i].linedef->special = 0;
sides[i].linedef->args[0] = 0;
KnownPolySides[ii] = -1;
}
}
if (po->Sidedefs.Size() == psIndexOld)
{ // Check if an explicit line order has been skipped.
// A line has been skipped if there are any more explicit
// lines with the current tag value. [RH] Can this actually happen?
for (ii = 0; ii < KnownPolySides.Size(); ++ii)
{
i = KnownPolySides[ii];
if (i >= 0 &&
sides[i].linedef->special == Polyobj_ExplicitLine &&
sides[i].linedef->args[0] == tag)
{
I_Error ("SpawnPolyobj: Missing explicit line %d for poly %d\n",
j, tag);
}
I_Error("SpawnPolyobj: Explicit line missing order number in poly %d, linedef %d.\n", tag, int(sides[i].linedef - lines));
}
po->Sidedefs.Push (&sides[i]);
}
}
qsort(&po->Sidedefs[0], po->Sidedefs.Size(), sizeof(po->Sidedefs[0]), posicmp);
if (po->Sidedefs.Size() > 0)
{
po->crush = (type != SMT_PolySpawn) ? 3 : 0;