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Going beyond the scope of the branch:

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*Friction linedef effect is now -
1) controlled by x offset instead of length - offset of -100 is maximum iciness, offset of +483(!!!) is the maximum sludginess BUT things are scaled such that +100 is about the maximum sludginess any reasonable human being would want in a level, 0 is ORIG_FRICTION)
2) not reliant on a sector special to function (can be applied solely by tag to in-map sectors or solid FOF control sectors)
This commit is contained in:
toasterbabe 2016-06-02 22:46:27 +01:00
parent a8248fb6c9
commit 577f9e8801
1 changed files with 13 additions and 24 deletions
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37
src/p_spec.c
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@ -3650,9 +3650,9 @@ DoneSection2:
// Process Section 3 // Process Section 3
switch (special) switch (special)
{ {
case 1: // Ice/Sludge case 1: // N/A (formerly Ice/Sludge)
case 2: // Wind/Current case 2: // Wind/Current
case 3: // Ice/Sludge and Wind/Current case 3: // N/A (formerly Ice/Sludge and Wind/Current)
case 4: // Conveyor Belt case 4: // Conveyor Belt
break; break;
@ -6949,22 +6949,10 @@ void T_Friction(friction_t *f)
sec = sectors + f->affectee; sec = sectors + f->affectee;
// Make sure the sector type hasn't changed // Get FOF control sector
if (f->roverfriction) if (f->roverfriction)
{
referrer = sectors + f->referrer; referrer = sectors + f->referrer;
if (!(GETSECSPECIAL(referrer->special, 3) == 1
|| GETSECSPECIAL(referrer->special, 3) == 3))
return;
}
else
{
if (!(GETSECSPECIAL(sec->special, 3) == 1
|| GETSECSPECIAL(sec->special, 3) == 3))
return;
}
// Assign the friction value to players on the floor, non-floating, // Assign the friction value to players on the floor, non-floating,
// and clipped. Normally the object's friction value is kept at // and clipped. Normally the object's friction value is kept at
// ORIG_FRICTION and this thinker changes it for icy or muddy floors. // ORIG_FRICTION and this thinker changes it for icy or muddy floors.
@ -7017,15 +7005,18 @@ static void P_SpawnFriction(void)
size_t i; size_t i;
line_t *l = lines; line_t *l = lines;
register INT32 s; register INT32 s;
fixed_t length; // line length controls magnitude fixed_t strength; // frontside texture offset controls magnitude
fixed_t friction; // friction value to be applied during movement fixed_t friction; // friction value to be applied during movement
INT32 movefactor; // applied to each player move to simulate inertia INT32 movefactor; // applied to each player move to simulate inertia
for (i = 0; i < numlines; i++, l++) for (i = 0; i < numlines; i++, l++)
if (l->special == 540) if (l->special == 540)
{ {
length = P_AproxDistance(l->dx, l->dy)>>FRACBITS; strength = sides[l->sidenum[0]].textureoffset>>FRACBITS;
friction = (0x1EB8*length)/0x80 + 0xD000; if (strength > 0) // sludge
strength = strength*2; // otherwise, the maximum sludginess value is +967...
friction = ORIG_FRICTION - (0x1EB8*strength)/0x80; // ORIG_FRICTION is 0xE800
if (friction > FRACUNIT) if (friction > FRACUNIT)
friction = FRACUNIT; friction = FRACUNIT;
@ -7036,9 +7027,9 @@ static void P_SpawnFriction(void)
// the move distance is multiplied by 'friction/0x10000', so a // the move distance is multiplied by 'friction/0x10000', so a
// higher friction value actually means 'less friction'. // higher friction value actually means 'less friction'.
if (friction > ORIG_FRICTION) // ice if (friction < ORIG_FRICTION) // ice
movefactor = ((0x10092 - friction)*(0x70))/0x158; movefactor = ((0x10092 - friction)*(0x70))/0x158;
else else // sludge
movefactor = ((friction - 0xDB34)*(0xA))/0x80; movefactor = ((friction - 0xDB34)*(0xA))/0x80;
// killough 8/28/98: prevent odd situations // killough 8/28/98: prevent odd situations
@ -7293,12 +7284,10 @@ void T_Pusher(pusher_t *p)
{ {
referrer = &sectors[p->referrer]; referrer = &sectors[p->referrer];
if (!(GETSECSPECIAL(referrer->special, 3) == 2 if (GETSECSPECIAL(referrer->special, 3) != 2)
|| GETSECSPECIAL(referrer->special, 3) == 3))
return; return;
} }
else if (!(GETSECSPECIAL(sec->special, 3) == 2 else if (GETSECSPECIAL(sec->special, 3) != 2)
|| GETSECSPECIAL(sec->special, 3) == 3))
return; return;
// For constant pushers (wind/current) there are 3 situations: // For constant pushers (wind/current) there are 3 situations: