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g_ai.c
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g_ai.c
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/*
Copyright (C) 1997-2001 Id Software, Inc.
Copyright (C) 2000-2002 Mr. Hyde and Mad Dog
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// g_ai.c
#include "g_local.h"
qboolean FindTarget (edict_t *self);
extern cvar_t *maxclients;
qboolean ai_checkattack (edict_t *self, float dist);
edict_t *medic_FindDeadMonster (edict_t *self);
qboolean enemy_vis;
qboolean enemy_infront;
int enemy_range;
float enemy_yaw;
/*
=================
AI_SetSightClient
Called once each frame to set level.sight_client to the
player to be checked for in findtarget.
If all clients are either dead or in notarget, sight_client
will be null.
In coop games, sight_client will cycle between the clients.
=================
*/
void AI_SetSightClient (void)
{
edict_t *ent;
int start, check;
if (level.sight_client == NULL)
start = 1;
else
start = level.sight_client - g_edicts;
check = start;
while (1)
{
check++;
if (check > game.maxclients)
check = 1;
ent = &g_edicts[check];
if (ent->inuse
&& ent->health > 0
&& !(ent->flags & (FL_NOTARGET|FL_DISGUISED) ) )
{
// If player is using func_monitor, make
// the sight_client = the fake player at the
// monitor currently taking the player's place.
// Do NOT do this for players using a
// target_monitor, though... in this case
// both player and fake player are ignored.
if(ent->client && ent->client->camplayer)
{
if(ent->client->spycam)
{
level.sight_client = ent->client->camplayer;
return;
}
}
else
{
level.sight_client = ent;
return; // got one
}
}
if (check == start)
{
level.sight_client = NULL;
return; // nobody to see
}
}
}
//============================================================================
/*
=============
ai_move
Move the specified distance at current facing.
This replaces the QC functions: ai_forward, ai_back, ai_pain, and ai_painforward
==============
*/
void ai_move (edict_t *self, float dist)
{
M_walkmove (self, self->s.angles[YAW], dist);
}
/*
=============
ai_stand
Used for standing around and looking for players
Distance is for slight position adjustments needed by the animations
==============
*/
void ai_stand (edict_t *self, float dist)
{
vec3_t v;
if (dist)
M_walkmove (self, self->s.angles[YAW], dist);
if(self->monsterinfo.aiflags & AI_FOLLOW_LEADER)
{
if(!self->enemy || !self->enemy->inuse)
{
self->movetarget = self->goalentity = self->monsterinfo.leader;
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_TEMP_STAND_GROUND);
self->monsterinfo.pausetime = 0;
}
}
if ( (self->monsterinfo.aiflags & AI_CHICKEN) )
{
if ( (level.framenum - self->monsterinfo.chicken_framenum > 200) ||
(self->enemy && (self->enemy->last_attacked_framenum > level.framenum - 2) ) )
{
self->monsterinfo.aiflags &= ~(AI_CHICKEN | AI_STAND_GROUND);
self->monsterinfo.pausetime = 0;
if(self->enemy)
FoundTarget(self);
}
}
if (self->monsterinfo.aiflags & AI_STAND_GROUND)
{
if (self->enemy && self->enemy->inuse)
{
float length;
VectorSubtract (self->enemy->s.origin, self->s.origin, v);
length = VectorLength(v);
self->ideal_yaw = vectoyaw(v);
if((level.time >= self->monsterinfo.rangetime) && (self->monsterinfo.aiflags & AI_RANGE_PAUSE))
{
if((length < self->monsterinfo.ideal_range[0]) && (rand() & 3))
self->monsterinfo.rangetime = level.time + 0.5;
if((length < self->monsterinfo.ideal_range[1]) && (length > self->monsterinfo.ideal_range[0]) && (rand() & 1))
self->monsterinfo.rangetime = level.time + 0.2;
}
if (self->s.angles[YAW] != self->ideal_yaw && self->monsterinfo.aiflags & AI_RANGE_PAUSE)
{
if(self->monsterinfo.rangetime < level.time)
{
// Lazarus: Don't run if we're still too close
if(self->monsterinfo.min_range > 0)
{
if(length > self->monsterinfo.min_range)
{
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
self->monsterinfo.run (self);
}
}
else
{
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
self->monsterinfo.run (self);
}
}
}
M_ChangeYaw (self);
ai_checkattack (self, 0);
if(!enemy_vis && (self->monsterinfo.aiflags & AI_RANGE_PAUSE))
{
self->monsterinfo.aiflags &= ~(AI_STAND_GROUND | AI_RANGE_PAUSE);
self->monsterinfo.run (self);
}
}
else
FindTarget (self);
return;
}
if (FindTarget (self))
return;
if (level.time > self->monsterinfo.pausetime)
{
// Lazarus: Solve problem of monsters pausing at path_corners, taking off in
// original direction
if(self->enemy && self->enemy->inuse)
VectorSubtract (self->enemy->s.origin, self->s.origin, v);
else if(self->goalentity)
VectorSubtract (self->goalentity->s.origin, self->s.origin, v);
else {
self->monsterinfo.pausetime = level.time + random() * 15;
return;
}
self->ideal_yaw = vectoyaw (v);
// Lazarus: Let misc_actors who are following their leader RUN even when not mad
if( (self->monsterinfo.aiflags & AI_FOLLOW_LEADER) && (self->movetarget) &&
(self->movetarget->inuse) )
{
float R;
R = realrange(self,self->movetarget);
if(R > ACTOR_FOLLOW_RUN_RANGE)
self->monsterinfo.run (self);
else if(R > ACTOR_FOLLOW_STAND_RANGE || !self->movetarget->client)
self->monsterinfo.walk (self);
}
else
self->monsterinfo.walk (self);
return;
}
if (!(self->spawnflags & SF_MONSTER_SIGHT) && (self->monsterinfo.idle) && (level.time > self->monsterinfo.idle_time))
{
if(self->monsterinfo.aiflags & AI_MEDIC)
abortHeal(self,false);
if (self->monsterinfo.idle_time)
{
self->monsterinfo.idle (self);
self->monsterinfo.idle_time = level.time + 15 + random() * 15;
}
else
{
self->monsterinfo.idle_time = level.time + random() * 15;
}
}
}
void ai_walk (edict_t *self, float dist)
{
// Lazarus: If we're following the leader and have no enemy, run to him
if ((!self->enemy) && (self->monsterinfo.aiflags & AI_FOLLOW_LEADER))
self->movetarget = self->goalentity = self->monsterinfo.leader;
M_MoveToGoal (self, dist);
// check for noticing a player
if (FindTarget (self))
return;
if ((self->monsterinfo.search) && (level.time > self->monsterinfo.idle_time))
{
if(self->monsterinfo.aiflags & AI_MEDIC)
abortHeal(self,false);
if (self->monsterinfo.idle_time)
{
self->monsterinfo.search (self);
self->monsterinfo.idle_time = level.time + 15 + random() * 15;
}
else
{
self->monsterinfo.idle_time = level.time + random() * 15;
}
}
}
/*
=============
ai_charge
Turns towards target and advances
Use this call with a distnace of 0 to replace ai_face
==============
*/
void ai_charge (edict_t *self, float dist)
{
vec3_t v;
// Lazarus: Check for existence and validity of enemy.
// This is normally not necessary, but target_anger making
// monster mad at a static object (a pickup, for example)
// previously resulted in weirdness here
if(!self->enemy || !self->enemy->inuse)
return;
VectorSubtract (self->enemy->s.origin, self->s.origin, v);
self->ideal_yaw = vectoyaw(v);
M_ChangeYaw (self);
if (dist)
M_walkmove (self, self->s.angles[YAW], dist);
}
/*
=============
ai_turn
don't move, but turn towards ideal_yaw
Distance is for slight position adjustments needed by the animations
=============
*/
void ai_turn (edict_t *self, float dist)
{
if (dist)
M_walkmove (self, self->s.angles[YAW], dist);
if (FindTarget (self))
return;
M_ChangeYaw (self);
}
/*
.enemy
Will be world if not currently angry at anyone.
.movetarget
The next path spot to walk toward. If .enemy, ignore .movetarget.
When an enemy is killed, the monster will try to return to it's path.
.hunt_time
Set to time + something when the player is in sight, but movement straight for
him is blocked. This causes the monster to use wall following code for
movement direction instead of sighting on the player.
.ideal_yaw
A yaw angle of the intended direction, which will be turned towards at up
to 45 deg / state. If the enemy is in view and hunt_time is not active,
this will be the exact line towards the enemy.
.pausetime
A monster will leave it's stand state and head towards it's .movetarget when
time > .pausetime.
walkmove(angle, speed) primitive is all or nothing
*/
/*
=============
range
returns the range catagorization of an entity reletive to self
0 melee range, will become hostile even if back is turned
1 visibility and infront, or visibility and show hostile
2 infront and show hostile
3 only triggered by damage
=============
*/
int range (edict_t *self, edict_t *other)
{
vec3_t v;
float len;
VectorSubtract (self->s.origin, other->s.origin, v);
len = VectorLength (v);
if (len < MELEE_DISTANCE)
return RANGE_MELEE;
if (len < 500)
return RANGE_NEAR;
if (len < self->monsterinfo.max_range)
return RANGE_MID;
return RANGE_FAR;
}
/*
=============
visible
returns 1 if the entity is visible to self, even if not infront ()
=============
*/
qboolean visible (edict_t *self, edict_t *other)
{
vec3_t spot1;
vec3_t spot2;
trace_t trace;
if (!self || !other) // Knightmare- crash protect
return false;
VectorCopy (self->s.origin, spot1);
spot1[2] += self->viewheight;
VectorCopy (other->s.origin, spot2);
spot2[2] += other->viewheight;
trace = gi.trace (spot1, vec3_origin, vec3_origin, spot2, self, MASK_OPAQUE);
// Lazarus: Take fog into account for monsters
if ( (trace.fraction == 1.0) || (trace.ent == other))
{
if( (level.active_fog) && (self->svflags & SVF_MONSTER) )
{
fog_t *pfog;
float r;
float dw;
vec3_t v;
pfog = &level.fog;
VectorSubtract(spot2,spot1,v);
r = VectorLength(v);
switch(pfog->Model)
{
case 1:
dw = pfog->Density/10000. * r;
self->monsterinfo.visibility = exp( -dw );
break;
case 2:
dw = pfog->Density/10000. * r;
self->monsterinfo.visibility = exp( -dw*dw );
break;
default:
if((r < pfog->Near) || (pfog->Near == pfog->Far))
self->monsterinfo.visibility = 1.0;
else if(r > pfog->Far)
self->monsterinfo.visibility = 0.0;
else
self->monsterinfo.visibility = 1.0 - (r - pfog->Near)/(pfog->Far - pfog->Near);
break;
}
// if(developer->value)
// gi.dprintf("r=%g, vis=%g\n",r,self->monsterinfo.visibility);
if(self->monsterinfo.visibility < 0.05)
return false;
else
return true;
}
else
{
self->monsterinfo.visibility = 1.0;
return true;
}
}
return false;
}
/*
=============
infront
returns 1 if the entity is in front (in sight) of self
=============
*/
qboolean infront (edict_t *self, edict_t *other)
{
vec3_t vec;
float dot;
vec3_t forward;
if (!self || !other) // Knightmare- crash protect
return false;
AngleVectors (self->s.angles, forward, NULL, NULL);
VectorSubtract (other->s.origin, self->s.origin, vec);
VectorNormalize (vec);
dot = DotProduct (vec, forward);
if (dot > 0.3)
return true;
return false;
}
/*
=============
canReach
similar to visible, but uses a different mask
=============
*/
qboolean canReach (edict_t *self, edict_t *other)
{
vec3_t spot1;
vec3_t spot2;
trace_t trace;
VectorCopy (self->s.origin, spot1);
spot1[2] += self->viewheight;
VectorCopy (other->s.origin, spot2);
spot2[2] += other->viewheight;
trace = gi.trace (spot1, vec3_origin, vec3_origin, spot2, self, MASK_SHOT|MASK_WATER);
if (trace.fraction == 1.0 || trace.ent == other)
return true;
return false;
}
//============================================================================
void HuntTarget (edict_t *self)
{
vec3_t vec;
// Lazarus: avert impending disaster
if (self->monsterinfo.aiflags & AI_DUCKED)
return;
self->goalentity = self->enemy;
if (self->monsterinfo.aiflags & AI_STAND_GROUND)
self->monsterinfo.stand (self);
else
self->monsterinfo.run (self);
VectorSubtract (self->enemy->s.origin, self->s.origin, vec);
self->ideal_yaw = vectoyaw(vec);
// wait a while before first attack
if (!(self->monsterinfo.aiflags & AI_STAND_GROUND))
AttackFinished (self, 1);
}
void FoundTarget (edict_t *self)
{
edict_t *goodguy;
vec3_t v;
// trace_t tr;
// Lazarus: avert impending disaster
if (self->monsterinfo.aiflags & AI_DUCKED)
return;
if (self->monsterinfo.aiflags & AI_CHICKEN)
return;
// let other monsters see this monster for a while, but not if
// it's simply a reflection
if (self->enemy->client && !(self->enemy->flags & FL_REFLECT))
{
self->enemy->flags &= ~FL_DISGUISED;
level.sight_entity = self;
level.sight_entity_framenum = level.framenum;
level.sight_entity->light_level = 128;
goodguy = NULL;
goodguy = G_Find(NULL,FOFS(dmgteam),"player");
while(goodguy)
{
if(goodguy->health > 0)
{
if(!goodguy->enemy)
{
if(goodguy->monsterinfo.aiflags & AI_ACTOR)
{
// Can he see enemy?
// tr = gi.trace(goodguy->s.origin,vec3_origin,vec3_origin,self->enemy->s.origin,goodguy,MASK_OPAQUE);
// if(tr.fraction == 1.0)
if(gi.inPVS(goodguy->s.origin,self->enemy->s.origin))
{
goodguy->monsterinfo.aiflags |= AI_FOLLOW_LEADER;
goodguy->monsterinfo.old_leader = NULL;
goodguy->monsterinfo.leader = self->enemy;
}
}
}
}
goodguy = G_Find(goodguy,FOFS(dmgteam),"player");
}
}
self->show_hostile = level.time + 1; // wake up other monsters
VectorCopy(self->enemy->s.origin, self->monsterinfo.last_sighting);
self->monsterinfo.trail_time = level.time;
if (!self->combattarget)
{
HuntTarget (self);
return;
}
self->goalentity = self->movetarget = G_PickTarget(self->combattarget);
if (!self->movetarget)
{
self->goalentity = self->movetarget = self->enemy;
HuntTarget (self);
gi.dprintf("%s at %s, combattarget %s not found\n", self->classname, vtos(self->s.origin), self->combattarget);
return;
}
// Lazarus: Huh? How come yaw for combattarget isn't set?
VectorSubtract(self->movetarget->s.origin,self->s.origin,v);
self->ideal_yaw = vectoyaw(v);
// clear out our combattarget, these are a one shot deal
self->combattarget = NULL;
self->monsterinfo.aiflags |= AI_COMBAT_POINT;
// clear the targetname, that point is ours!
// Lazarus: Why, why, why???? This doesn't remove the point_combat, only makes it inaccessible
// to other monsters.
//self->movetarget->targetname = NULL;
self->monsterinfo.pausetime = 0;
// run for it
self->monsterinfo.run (self);
}
/*
===========
FindTarget
Self is currently not attacking anything, so try to find a target
Returns TRUE if an enemy was sighted
When a player fires a missile, the point of impact becomes a fakeplayer so
that monsters that see the impact will respond as if they had seen the
player.
To avoid spending too much time, only a single client (or fakeclient) is
checked each frame. This means multi player games will have slightly
slower noticing monsters.
============
*/
qboolean FindTarget (edict_t *self)
{
edict_t *client=NULL;
qboolean heardit;
edict_t *reflection;
edict_t *self_reflection;
int r;
if(self->monsterinfo.aiflags & (AI_CHASE_THING | AI_HINT_TEST))
return false;
if (self->monsterinfo.aiflags & AI_GOOD_GUY)
{
if (self->goalentity && self->goalentity->inuse && self->goalentity->classname)
{
if (strcmp(self->goalentity->classname, "target_actor") == 0)
return false;
}
// Lazarus: Look for monsters
if( !self->enemy )
{
if (self->monsterinfo.aiflags & AI_FOLLOW_LEADER)
{
int i;
edict_t *e;
edict_t *best=NULL;
vec_t dist, best_dist;
best_dist = self->monsterinfo.max_range;
for(i=game.maxclients+1; i<globals.num_edicts; i++)
{
e = &g_edicts[i];
if(!e->inuse)
continue;
if(!(e->svflags & SVF_MONSTER))
continue;
if(e->svflags & SVF_NOCLIENT)
continue;
if(e->solid == SOLID_NOT)
continue;
if(e->monsterinfo.aiflags & AI_GOOD_GUY)
continue;
if(!visible(self,e))
continue;
if (self->monsterinfo.aiflags & AI_BRUTAL)
{
if (e->health <= e->gib_health)
continue;
}
else if (e->health <= 0)
continue;
dist = realrange(self,e);
if(dist < best_dist)
{
best_dist = dist;
best = e;
}
}
if(best)
{
self->enemy = best;
FoundTarget(self);
return true;
}
}
return false;
}
else if (level.time < self->monsterinfo.pausetime )
return false;
else
{
if (!visible (self, self->enemy))
return false;
else
{
FoundTarget(self);
return true;
}
}
}
// if we're going to a combat point, just proceed
if (self->monsterinfo.aiflags & AI_COMBAT_POINT)
return false;
// if the first spawnflag bit is set, the monster will only wake up on
// really seeing the player, not another monster getting angry or hearing
// something
// revised behavior so they will wake up if they "see" a player make a noise
// but not weapon impact/explosion noises
heardit = false;
if ((level.sight_entity_framenum >= (level.framenum - 1)) && !(self->spawnflags & SF_MONSTER_SIGHT) )
{
client = level.sight_entity;
if (client->enemy == self->enemy)
{
return false;
}
}
else if (level.disguise_violation_framenum > level.framenum)
{
client = level.disguise_violator;
}
else if (level.sound_entity_framenum >= (level.framenum - 1))
{
client = level.sound_entity;
heardit = true;
}
else if (!(self->enemy) && (level.sound2_entity_framenum >= (level.framenum - 1)) && !(self->spawnflags & SF_MONSTER_SIGHT) )
{
client = level.sound2_entity;
heardit = true;
}
else
{
client = level.sight_client;
if (!client)
return false; // no clients to get mad at
}
// if the entity went away, forget it
if (!client || !client->inuse)
return false;
// Lazarus
if(client->client && client->client->camplayer)
client = client->client->camplayer;
if (client == self->enemy)
return true; // JDC false;
// Lazarus: Force idle medics to look for dead monsters
if (!self->enemy && !Q_strcasecmp(self->classname,"monster_medic"))
{
if(medic_FindDeadMonster(self))
return true;
}
// in coop mode, ignore sounds if we're following a hint_path
if ((coop && coop->value) && (self->monsterinfo.aiflags & AI_HINT_PATH))
heardit = false;
if (client->client)
{
if (client->flags & FL_NOTARGET)
return false;
}
else if (client->svflags & SVF_MONSTER)
{
if (!client->enemy)
return false;
if (client->enemy->flags & FL_NOTARGET)
return false;
}
else if (heardit)
{
if (client->owner && (client->owner->flags & FL_NOTARGET))
return false;
}
else
return false;
reflection = NULL;
self_reflection = NULL;
if (level.num_reflectors)
{
int i;
edict_t *ref;
for(i=0; i<6 && !reflection; i++)
{
ref = client->reflection[i];
if(ref && visible(self,ref) && infront(self,ref))
{
reflection = ref;
self_reflection = self->reflection[i];
}
}
}
if (!heardit)
{
r = range (self, client);
if (r == RANGE_FAR)
return false;
// this is where we would check invisibility
// is client in an spot too dark to be seen?
if (client->light_level <= 5)
return false;
if (!visible (self, client))
{
vec3_t temp;
if (!reflection)
return false;
self->goalentity = self->movetarget = reflection;
VectorSubtract(reflection->s.origin,self->s.origin,temp);
self->ideal_yaw = vectoyaw(temp);
M_ChangeYaw (self);
// If MORON (=4) is set, then the reflection becomes the
// enemy. Otherwise if DUMMY (=8) is set, reflection
// becomes the enemy ONLY if the monster cannot see his
// own reflection in the same mirror. And if neither situation
// applies, then reflection is treated identically
// to a player noise.
// Don't do the MORON/DUMMY bit if SF_MONSTER_KNOWS_MIRRORS
// is set (set automatically for melee-only monsters, and
// turned on once other monsters have figured out the truth)
if(!(self->spawnflags & SF_MONSTER_KNOWS_MIRRORS))
{
if(reflection->activator->spawnflags & 4)
{
self->monsterinfo.attack_state = 0;
self->enemy = reflection;
goto got_one;
}
if(reflection->activator->spawnflags & 8)
{
if(!self_reflection || !visible(self,self_reflection))
{
self->monsterinfo.attack_state = 0;
self->enemy = reflection;
goto got_one;
}
}
}
self->monsterinfo.pausetime = 0;
self->monsterinfo.aiflags &= ~AI_STAND_GROUND;
self->monsterinfo.run(self);
return false;
}
// Knightmare- commented this out because it causes a crash
/*if (reflection && !(self->spawnflags & SF_MONSTER_KNOWS_MIRRORS) &&
!infront(self,client))
{
// Client is visible but behind monster.
// If MORON or DUMMY for the parent func_reflect is set,
// attack the reflection (in the case of DUMMY, only
// if monster doesn't see himself in the same mirror)
if( (reflection->activator->spawnflags & 4) ||
( (reflection->activator->spawnflags & 8) &&
(!self_reflection || !visible(self,self_reflection)) ) ) // crashes here
{
vec3_t temp;
self->goalentity = self->movetarget = reflection;
VectorSubtract(reflection->s.origin,self->s.origin,temp);
self->ideal_yaw = vectoyaw(temp);
M_ChangeYaw (self);
self->enemy = reflection;
goto got_one;
}
}*/
if (!reflection)
{
if (r == RANGE_NEAR)
{
if (client->show_hostile < level.time && !infront (self, client))
return false;
}
else if (r == RANGE_MID)
{
if (!infront (self, client))
return false;
}
}
self->enemy = client;
if (strcmp(self->enemy->classname, "player_noise") != 0)
{
self->monsterinfo.aiflags &= ~AI_SOUND_TARGET;
if (!self->enemy->client)
{
self->enemy = self->enemy->enemy;
if (!self->enemy->client)
{
self->enemy = NULL;
return false;
}
}
}
}
else // heardit
{
vec3_t temp;
if (self->spawnflags & SF_MONSTER_SIGHT)
{
if (!visible (self, client))
return false;
}
else if(!(client->flags & FL_REFLECT))
{
if (!gi.inPHS(self->s.origin, client->s.origin))
return false;
}
VectorSubtract (client->s.origin, self->s.origin, temp);
if (VectorLength(temp) > 1000) // too far to hear
{
return false;
}
// check area portals - if they are different and not connected then we can't hear it
if (!(client->flags & FL_REFLECT))
{
if (client->areanum != self->areanum)
if (!gi.AreasConnected(self->areanum, client->areanum))
return false;
}
self->ideal_yaw = vectoyaw(temp);
M_ChangeYaw (self);
// hunt the sound for a bit; hopefully find the real player
self->monsterinfo.aiflags |= AI_SOUND_TARGET;
self->enemy = client;
}
got_one:
//
// got one
//
// stop following hint_paths if we've found our enemy
if (self->monsterinfo.aiflags & AI_HINT_PATH)
hintpath_stop (self); // hintpath_stop calls foundtarget
else if(self->monsterinfo.aiflags & AI_MEDIC_PATROL)
medic_StopPatrolling (self);
else
FoundTarget (self);
if (!(self->monsterinfo.aiflags & AI_SOUND_TARGET) && (self->monsterinfo.sight))
self->monsterinfo.sight (self, self->enemy);
return true;
}
//=============================================================================
/*
============
FacingIdeal
============
*/
qboolean FacingIdeal(edict_t *self)
{
float delta;
delta = anglemod(self->s.angles[YAW] - self->ideal_yaw);
if (delta > 45 && delta < 315)
return false;
return true;
}