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Check both front and backside for tripwire

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This commit is contained in:
James R 2022-01-20 21:51:47 -08:00
parent 93dfbf382c
commit 6063a6eab8
1 changed files with 28 additions and 7 deletions
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35
src/p_setup.c
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@ -1939,6 +1939,30 @@ static void P_LoadTextmap(void)
}
}
static boolean P_CheckLineSideTripWire(line_t *ld, int p)
{
INT32 n;
side_t *sda;
side_t *sdb;
terrain_t *terrain;
boolean tripwire;
n = ld->sidenum[p];
if (n == 0xffff)
return false;
sda = &sides[n];
terrain = K_GetTerrainForTextureNum(sda->midtexture);
tripwire = terrain && (terrain->flags & TRF_TRIPWIRE);
return tripwire;
}
static void P_ProcessLinedefsAfterSidedefs(void)
{
size_t i = numlines;
@ -1946,16 +1970,13 @@ static void P_ProcessLinedefsAfterSidedefs(void)
for (; i--; ld++)
{
INT32 midtexture = sides[ld->sidenum[0]].midtexture;
terrain_t *terrain = K_GetTerrainForTextureNum(midtexture);
ld->frontsector = sides[ld->sidenum[0]].sector; //e6y: Can't be -1 here
ld->backsector = ld->sidenum[1] != 0xffff ? sides[ld->sidenum[1]].sector : 0;
if (terrain != NULL && (terrain->flags & TRF_TRIPWIRE))
{
ld->tripwire = true;
}
// Check for tripwire on either side
ld->tripwire =
P_CheckLineSideTripWire(ld, 0) ||
P_CheckLineSideTripWire(ld, 1);
switch (ld->special)
{