qboolean NPC_ClearPathToGoal( vec3_t dir, gentity_t *goal )
{
trace_t trace;
float radius, dist, tFrac;
//FIXME: What does do about area portals? THIS IS BROKEN
//if ( gi.inPVS( NPC->r.currentOrigin, goal->r.currentOrigin ) == qfalse )
// return qfalse;
//Look ahead and see if we're clear to move to our goal position
if ( NAV_CheckAhead( NPC, goal->r.currentOrigin, &trace, ( NPC->clipmask & ~CONTENTS_BODY )|CONTENTS_BOTCLIP ) )
{
//VectorSubtract( goal->r.currentOrigin, NPC->r.currentOrigin, dir );
return qtrue;
}
if (!FlyingCreature(NPC))
{
//See if we're too far above
if ( fabs( NPC->r.currentOrigin[2] - goal->r.currentOrigin[2] ) > 48 )
return qfalse;
}
//This is a work around
radius = ( NPC->r.maxs[0] > NPC->r.maxs[1] ) ? NPC->r.maxs[0] : NPC->r.maxs[1];
dist = Distance( NPC->r.currentOrigin, goal->r.currentOrigin );
tFrac = 1.0f - ( radius / dist );
if ( trace.fraction >= tFrac )
return qtrue;
//See if we're looking for a navgoal
if ( goal->flags & FL_NAVGOAL )
{
//Okay, didn't get all the way there, let's see if we got close enough:
if ( NAV_HitNavGoal( trace.endpos, NPC->r.mins, NPC->r.maxs, goal->r.currentOrigin, NPCInfo->goalRadius, FlyingCreature( NPC ) ) )
{
//VectorSubtract(goal->r.currentOrigin, NPC->r.currentOrigin, dir);
return qtrue;
}
}
return qfalse;
}
static void GM_CheckMoveState( void )
{
if ( Q3_TaskIDPending( NPC, TID_MOVE_NAV ) )
{//moving toward a goal that a script is waiting on, so don't stop for anything!
bMove = qtrue;
}
//See if we're moving towards a goal, not the enemy
if ( ( NPCInfo->goalEntity != NPC->enemy ) && ( NPCInfo->goalEntity != NULL ) )
{
//Did we make it?
if ( NAV_HitNavGoal( NPC->currentOrigin, NPC->mins, NPC->maxs, NPCInfo->goalEntity->currentOrigin, 16, qfalse ) ||
( !Q3_TaskIDPending( NPC, TID_MOVE_NAV ) && enemyLOS && enemyDist <= 10000 ) )
{//either hit our navgoal or our navgoal was not a crucial (scripted) one (maybe a combat point) and we're scouting and found our enemy
NPC_ReachedGoal();
//don't attack right away
TIMER_Set( NPC, "attackDelay", Q_irand( 250, 500 ) ); //FIXME: Slant for difficulty levels
return;
}
}
}
void Hirogen_Hunt( void )
{
if ( NPCInfo->combatPoint == -1 )
{
NPCInfo->combatPoint = NPC_FindCombatPoint( CP_CLEAR );
if ( NPCInfo->combatPoint == -1 )
{
assert(0);
return;
}
//Move there
NPC_SetMoveGoal( NPC, level.combatPoints[NPCInfo->combatPoint].origin, 4, qtrue );
NPCInfo->combatMove = qtrue;
NPC_MoveToGoal();
NPC_UpdateAngles( qtrue, qtrue );
return;
}
//See if we made it
if ( NAV_HitNavGoal( NPC->currentOrigin, NPC->mins, NPC->maxs, level.combatPoints[NPCInfo->combatPoint].origin, 2 ) )
{
NPCInfo->combatPoint = -1;
//Hirogen_Hunt(); //NOTENOTE: Remove the 10Hz latency that would be introduced otherwise, but be careful with this one!
return;
}
//Move there
NPC_SetMoveGoal( NPC, level.combatPoints[NPCInfo->combatPoint].origin, 2, qtrue );
NPCInfo->combatMove = qtrue;
NPC_MoveToGoal();
NPC_UpdateAngles( qtrue, qtrue );
}
static void Sniper_CheckMoveState( void )
{
//See if we're a scout
if ( !(NPCInfo->scriptFlags & SCF_CHASE_ENEMIES) )//NPCInfo->behaviorState == BS_STAND_AND_SHOOT )
{
if ( NPCInfo->goalEntity == NPC->enemy )
{
AImove = qfalse;
return;
}
}
//See if we're running away
else if ( NPCInfo->squadState == SQUAD_RETREAT )
{
if ( TIMER_Done( NPC, "flee" ) )
{
NPCInfo->squadState = SQUAD_IDLE;
}
else
{
faceEnemy = qfalse;
}
}
else if ( NPCInfo->squadState == SQUAD_IDLE )
{
if ( !NPCInfo->goalEntity )
{
AImove = qfalse;
return;
}
}
//See if we're moving towards a goal, not the enemy
if ( ( NPCInfo->goalEntity != NPC->enemy ) && ( NPCInfo->goalEntity != NULL ) )
{
//Did we make it?
if ( NAV_HitNavGoal( NPC->currentOrigin, NPC->mins, NPC->maxs, NPCInfo->goalEntity->currentOrigin, 16, FlyingCreature( NPC ) ) ||
( NPCInfo->squadState == SQUAD_SCOUT && enemyLOS && enemyDist <= 10000 ) )
{
int newSquadState = SQUAD_STAND_AND_SHOOT;
//we got where we wanted to go, set timers based on why we were running
switch ( NPCInfo->squadState )
{
case SQUAD_RETREAT://was running away
TIMER_Set( NPC, "duck", (NPC->max_health - NPC->health) * 100 );
TIMER_Set( NPC, "hideTime", Q_irand( 3000, 7000 ) );
newSquadState = SQUAD_COVER;
break;
case SQUAD_TRANSITION://was heading for a combat point
TIMER_Set( NPC, "hideTime", Q_irand( 2000, 4000 ) );
break;
case SQUAD_SCOUT://was running after player
break;
default:
break;
}
NPC_ReachedGoal();
//don't attack right away
TIMER_Set( NPC, "attackDelay", Q_irand( (6-NPCInfo->stats.aim)*50, (6-NPCInfo->stats.aim)*100 ) ); //FIXME: Slant for difficulty levels, too?
//don't do something else just yet
TIMER_Set( NPC, "roamTime", Q_irand( 1000, 4000 ) );
//stop fleeing
if ( NPCInfo->squadState == SQUAD_RETREAT )
{
TIMER_Set( NPC, "flee", -level.time );
NPCInfo->squadState = SQUAD_IDLE;
}
return;
}
//keep going, hold of roamTimer until we get there
TIMER_Set( NPC, "roamTime", Q_irand( 4000, 8000 ) );
}
}
//qboolean NAV_HitNavGoal( vec3_t point, vec3_t mins, vec3_t maxs, gentity_t *goal, qboolean flying );
qboolean ReachedGoal( gentity_t *goal )
{
//FIXME: For script waypoints, need a special check
/*
int goalWpNum;
vec3_t vec;
//vec3_t angles;
float delta;
if ( goal->flags & FL_NAVGOAL )
{//waypoint_navgoal
return NAV_HitNavGoal( NPC->currentOrigin, NPC->mins, NPC->maxs, goal, FlyingCreature( NPC ) );
}
if ( goal == NPCInfo->tempGoal && !(goal->flags & FL_NAVGOAL))
{//MUST touch waypoints, even if moving to it
//This is odd, it just checks to see if they are on the same
//surface and the tempGoal in in the FOV - does NOT check distance!
// are we on same surface?
//FIXME: NPC->waypoint reset every frame, need to find it first
//Should we do that here? (Still will do it only once per frame)
if ( NPC->waypoint >= 0 && NPC->waypoint < num_waypoints )
{
goalWpNum = NAV_FindWaypointAt ( goal->currentOrigin );
if ( NPC->waypoint != goalWpNum )
{
return qfalse;
}
}
VectorSubtract ( NPCInfo->tempGoal->currentOrigin, NPC->currentOrigin, vec);
//Who cares if it's in our FOV?!
/*
// is it in our FOV
vectoangles ( vec, angles );
delta = AngleDelta ( NPC->client->ps.viewangles[YAW], angles[YAW] );
if ( fabs ( delta ) > NPCInfo->stats.hfov )
{
return qfalse;
}
*/
/*
//If in the same waypoint as tempGoal, we're there, right?
if ( goal->waypoint >= 0 && goal->waypoint < num_waypoints )
{
if ( NPC->waypoint == goal->waypoint )
{
return qtrue;
}
}
*/
/*
if ( VectorLengthSquared( vec ) < (64*64) )
{//Close enough
return qtrue;
}
return qfalse;
}
*/
if ( NPCInfo->aiFlags & NPCAI_TOUCHED_GOAL )
{
NPCInfo->aiFlags &= ~NPCAI_TOUCHED_GOAL;
return qtrue;
}
/*
if ( goal->s.eFlags & EF_NODRAW )
{
goalWpNum = NAV_FindWaypointAt( goal->currentOrigin );
if ( NPC->waypoint == goalWpNum )
{
return qtrue;
}
return qfalse;
}
if(goal->client && goal->health <= 0)
{//trying to get to dead guy
goalWpNum = NAV_FindWaypointAt( goal->currentOrigin );
if ( NPC->waypoint == goalWpNum )
{
VectorSubtract(NPC->currentOrigin, goal->currentOrigin, vec);
vec[2] = 0;
delta = VectorLengthSquared(vec);
if(delta <= 800)
{//with 20-30 of other guy's origin
return qtrue;
}
}
}
*/
return NAV_HitNavGoal( NPC->r.currentOrigin, NPC->r.mins, NPC->r.maxs, goal->r.currentOrigin, NPCInfo->goalRadius, FlyingCreature( NPC ) );
}
