ref: 08660bbbd6d78a8c9cb2323f2db890ba8aae0557
parent: 7604a0956a73158e0f19a9437307556bc9b4ba56
author: James Haley <[email protected]>
date: Thu Feb 24 01:28:13 EST 2011
Continuing verification of all P_Random calls has lead to several fixes in p_enemy.c, in particular to the P_NewRandomDir routine used by peasants. The demo now syncs up until he jumps the railing, and then his position is off by a bit - we may have a physics issue with railing lines. Subversion-branch: /branches/strife-branch Subversion-revision: 2275
--- a/src/strife/p_enemy.c
+++ b/src/strife/p_enemy.c
@@ -348,14 +348,12 @@
if (dist > 150)
dist = 150;
- // haleyjd 09/10/10: Hex-Rays was leaving this out completely:
+ // haleyjd 20100910: Hex-Rays was leaving this out completely:
if (actor->type == MT_CRUSADER && dist > 120)
dist = 120;
- if (P_Random () < dist)
- return false;
-
- return true;
+ // haleyjd 20110224 [STRIFE]: reversed predicate
+ return (dist < P_Random());
}
//
@@ -647,13 +645,15 @@
void P_NewRandomDir(mobj_t* actor)
{int dir = 0;
+ int omovedir = opposite[actor->movedir]; // haleyjd 20110223: nerfed this...
// randomly determine direction of search
if(P_Random() & 1)
{+ // Try all non-reversal directions forward, first
for(dir = 0; dir < DI_NODIR; dir++)
{- if(dir != opposite[actor->movedir])
+ if(dir != omovedir)
{actor->movedir = dir;
if(P_Random() & 1)
@@ -663,14 +663,34 @@
}
}
}
+
+ // haleyjd 20110223: logic missing entirely:
+ // failed all non-reversal directions? try reversing
+ if(dir > DI_SOUTHEAST)
+ {+ if(omovedir == DI_NODIR)
+ {+ actor->movedir = DI_NODIR;
+ return;
+ }
+ actor->movedir = omovedir;
+ if(P_TryWalk(actor))
+ return;
+ else
+ {+ actor->movedir = DI_NODIR;
+ return;
+ }
+ }
}
else
{+ // Try directions one at a time in backward order
dir = DI_SOUTHEAST;
while(1)
{// haleyjd 09/05/10: missing random code.
- if(dir != opposite[actor->movedir])
+ if(dir != omovedir)
{actor->movedir = dir;
@@ -679,16 +699,15 @@
return;
}
+ // Ran out of non-reversal directions to try? Reverse.
if(--dir == -1)
{- if(opposite[actor->movedir] == DI_NODIR)
+ if(omovedir == DI_NODIR)
{actor->movedir = DI_NODIR;
return;
}
-
- actor->movedir = opposite[actor->movedir];
-
+ actor->movedir = omovedir;
// villsa 09/06/10: un-inlined code
if(P_TryWalk(actor))
return;
@@ -2069,7 +2088,6 @@
P_SpawnMobj(actor->x - actor->momx,
actor->y - actor->momy,
actor->z, MT_CHAINSHOT);
-
}
//
@@ -2088,7 +2106,6 @@
actor->z, MT_MISSILESMOKE);
mo->momz = FRACUNIT;
-
}
//
@@ -2133,22 +2150,8 @@
mobj_t* dest;
//mobj_t* th;
- // villsa [STRIFE] not used
- /*if(gametic & 3)
- return;*/
+ // villsa [STRIFE] removed all randomization and puff code
- // spawn a puff of smoke behind the rocket
- /*P_SpawnPuff(actor->x, actor->y, actor->z);
-
- th = P_SpawnMobj (actor->x-actor->momx,
- actor->y-actor->momy,
- actor->z, MT_SMOKE);
-
- th->momz = FRACUNIT;
- th->tics -= P_Random()&3;
- if (th->tics < 1)
- th->tics = 1;*/
-
// adjust direction
dest = actor->tracer;
@@ -2210,8 +2213,10 @@
A_FaceTarget(actor);
if(P_CheckMeleeRange(actor))
{+ int damage = 8 * (P_Random() % 10 + 1);
+
S_StartSound(actor, sfx_mtalht);
- P_DamageMobj(actor->target, actor, actor, 8 * (P_Random() % 10 + 1));
+ P_DamageMobj(actor->target, actor, actor, damage);
}
}
@@ -2289,7 +2294,7 @@
//
void A_PeasantCrash(mobj_t* actor)
{- // Set INCOMBAT, because you probably wouldn't feel like talking either
+ // Set NODIALOG, because you probably wouldn't feel like talking either
// if somebody just stabbed you in the gut with a punch dagger...
actor->flags |= MF_NODIALOG;
@@ -2323,6 +2328,7 @@
// A_HideZombie
//
// villsa [STRIFE] new codepointer
+// Used by the "Becoming" Acolytes on the Loremaster's level.
//
void A_HideZombie(mobj_t* actor)
{@@ -2374,10 +2380,11 @@
angle_t an;
mobj_t* mo;
- mo = P_SpawnMobj(actor->x, actor->y, actor->z + (24*FRACUNIT), MT_PROGRAMMERBASE);
+ mo = P_SpawnMobj(actor->x, actor->y, actor->z + 24*FRACUNIT, MT_PROGRAMMERBASE);
+ // haleyjd 20110223: fix add w/ANG180
r = P_Random();
- an = ((r - P_Random()) << 22) + actor->angle - ANG180;
+ an = ((r - P_Random()) << 22) + actor->angle + ANG180;
mo->angle = an;
P_ThrustMobj(mo, an, mo->info->speed); // inlined in asm
@@ -2414,7 +2421,7 @@
// villsa [STRIFE] new codepointer (unused)
// 09/08/10: Spawns Spectre A. Or would, if anything actually used this.
// This is evidence that the Programmer's spectre, which appears in the
-// catacombs in the final version, was originally meant to be spawned
+// Catacombs in the final version, was originally meant to be spawned
// after his death.
//
void A_SpawnSpectreA(mobj_t* actor)
@@ -2493,15 +2500,14 @@
// A_SpawnEntity
//
// villsa [STRIFE] new codepointer
-// 09/08/10: You will fall on your knees before the True God, the
-// One Light.
+// 09/08/10: You will fall on your knees before the True God, the One Light.
//
void A_SpawnEntity(mobj_t* actor)
{mobj_t* mo;
- mo = P_SpawnMobj(actor->x, actor->y, actor->z + (70*FRACUNIT), MT_ENTITY);
- mo->momz = (5*FRACUNIT);
+ mo = P_SpawnMobj(actor->x, actor->y, actor->z + 70*FRACUNIT, MT_ENTITY);
+ mo->momz = 5*FRACUNIT;
entity_pos_x = mo->x;
entity_pos_y = mo->y;
@@ -2607,6 +2613,10 @@
// A_CrystalExplode
//
// villsa [STRIFE] new codepointer
+// Throws out debris from the Power Crystal and sets its sector floorheight
+// to the lowest surrounding floor (this is maybe the only time a direct
+// level-changing action is done by an object in this fashion in any of
+// the DOOM engine games... they usually call a line special instead)
//
void A_CrystalExplode(mobj_t* actor)
{@@ -2628,7 +2638,6 @@
r = P_Random();
rubble->momy = ((r & 7) - (P_Random() & 7)) << FRACBITS;
rubble->momz = ((P_Random() & 3) << FRACBITS) + (7*FRACUNIT);
-
}
}
@@ -2822,7 +2831,9 @@
//
// A_NodeChunk
+//
// villsa [STRIFE] - new codepointer
+// Throw out "nodes" from a spectral entity
//
void A_NodeChunk(mobj_t* actor)
{@@ -2829,7 +2840,7 @@
int r;
mobj_t* mo;
- mo = P_SpawnMobj(actor->x, actor->y, actor->z + (10*FRACUNIT), MT_NODE);
+ mo = P_SpawnMobj(actor->x, actor->y, actor->z + 10*FRACUNIT, MT_NODE);
r = P_Random();
mo->momx = ((r & 0x0f) - (P_Random() & 7)) << FRACBITS;
r = P_Random();
@@ -2839,7 +2850,9 @@
//
// A_HeadChunk
+//
// villsa [STRIFE] - new codepointer
+// Throw out the little "eye"-like object from a spectral entity when it dies.
//
void A_HeadChunk(mobj_t* actor)
{@@ -2846,7 +2859,7 @@
int r;
mobj_t* mo;
- mo = P_SpawnMobj(actor->x, actor->y, actor->z + (10*FRACUNIT), MT_SPECTREHEAD);
+ mo = P_SpawnMobj(actor->x, actor->y, actor->z + 10*FRACUNIT, MT_SPECTREHEAD);
r = P_Random();
mo->momx = ((r & 7) - (P_Random() & 0x0f)) << FRACBITS;
r = P_Random();
@@ -2877,8 +2890,9 @@
if(actor->flags & MF_DROPPED)
return; // not the parent
- x = actor->x + (((P_Random() + 12) & 31) << FRACBITS);
+ // haleyjd 20110223: match order of calls in binary
y = actor->y + (((P_Random() + 12) & 31) << FRACBITS);
+ x = actor->x + (((P_Random() + 12) & 31) << FRACBITS);
// spawn child
mo = P_SpawnMobj(x, y, actor->z + (4*FRACUNIT), MT_PFLAME);
@@ -3217,9 +3231,9 @@
an = (P_Random() << 13) / 255;
mo->angle = an << ANGLETOFINESHIFT;
- mo->momx += FixedMul(finecosine[an], (P_Random() & 0x0f) << FRACBITS);
- mo->momy += FixedMul(finesine[an], (P_Random() & 0x0f) << FRACBITS);
- mo->momz += (P_Random() & 0x0f) << FRACBITS;
+ mo->momx = FixedMul(finecosine[an], (P_Random() & 0x0f) << FRACBITS);
+ mo->momy = FixedMul(finesine[an], (P_Random() & 0x0f) << FRACBITS);
+ mo->momz = (P_Random() & 0x0f) << FRACBITS;
}
//
--- a/src/strife/p_pspr.c
+++ b/src/strife/p_pspr.c
@@ -650,7 +650,7 @@
//
// haleyjd 09/06/10 [STRIFE] Modified with a little target hack...
//
-fixed_t bulletslope;
+fixed_t bulletslope;
void P_BulletSlope (mobj_t *mo)