1328 lines
28 KiB
C++
1328 lines
28 KiB
C++
//NPC_utils.cpp
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#include "b_local.h"
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int teamNumbers[TEAM_NUM_TEAMS];
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int teamStrength[TEAM_NUM_TEAMS];
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int teamCounter[TEAM_NUM_TEAMS];
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#define VALID_ATTACK_CONE 2.0f //Degrees
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void GetAnglesForDirection( const vec3_t p1, const vec3_t p2, vec3_t out );
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qboolean NPC_CheckDisguise( gentity_t *ent );
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extern void Q3_DebugPrint( int level, const char *format, ... );
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/*
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static void CalcEntitySpot ( gentity_t *ent, spot_t spot, vec3_t point )
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Added: Uses shootAngles if a NPC has them
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*/
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void ViewHeightFix(gentity_t *ent);
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void AddLeanOfs(gentity_t *ent, vec3_t point);
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void CalcEntitySpot ( gentity_t *ent, spot_t spot, vec3_t point )
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{
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vec3_t forward, up, right;
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vec3_t start, end;
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trace_t tr;
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ViewHeightFix(ent);
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switch ( spot )
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{
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case SPOT_ORIGIN:
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if(VectorCompare(ent->currentOrigin, vec3_origin))
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{//brush
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VectorSubtract(ent->absmax, ent->absmin, point);//size
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VectorMA(ent->absmin, 0.5, point, point);
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}
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else
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{
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VectorCopy ( ent->currentOrigin, point );
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}
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break;
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case SPOT_HEAD:
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if ( ent->client && VectorLengthSquared( ent->client->renderInfo.eyePoint ) )
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{//Actual tag_head eyespot!
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//FIXME: Stasis aliens may have a problem here...
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VectorCopy( ent->client->renderInfo.eyePoint, point );
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}
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else
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{
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VectorCopy ( ent->currentOrigin, point );
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if ( ent->client )
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{
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point[2] += ent->client->ps.viewheight;
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}
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}
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break;
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case SPOT_HEAD_LEAN:
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if ( ent->client && VectorLengthSquared( ent->client->renderInfo.eyePoint ) )
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{//Actual tag_head eyespot!
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//FIXME: Stasis aliens may have a problem here...
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VectorCopy( ent->client->renderInfo.eyePoint, point );
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//NOTE: automatically takes leaning into account!
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}
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else
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{
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VectorCopy ( ent->currentOrigin, point );
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if ( ent->client )
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{
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point[2] += ent->client->ps.viewheight;
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}
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AddLeanOfs ( ent, point );
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}
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break;
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//FIXME: implement...
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//case SPOT_CHEST:
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//Returns point 3/4 from tag_torso to tag_head?
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//break;
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case SPOT_LEGS:
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VectorCopy ( ent->currentOrigin, point );
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point[2] += (ent->mins[2] * 0.5);
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break;
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case SPOT_WEAPON:
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if( !VectorCompare( NPCInfo->shootAngles, vec3_origin ) && !VectorCompare( NPCInfo->shootAngles, ent->client->ps.viewangles ))
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{
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AngleVectors( NPCInfo->shootAngles, forward, right, up );
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}
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else
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{
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AngleVectors( ent->client->ps.viewangles, forward, right, up );
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}
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CalcMuzzlePoint( ent, forward, right, up, point, 0 );
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//NOTE: automatically takes leaning into account!
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break;
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case SPOT_GROUND:
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// if entity is on the ground, just use it's absmin
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if ( ent->s.groundEntityNum != -1 )
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{
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VectorCopy( ent->currentOrigin, point );
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point[2] = ent->absmin[2];
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break;
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}
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// if it is reasonably close to the ground, give the point underneath of it
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VectorCopy( ent->currentOrigin, start );
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start[2] = ent->absmin[2];
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VectorCopy( start, end );
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end[2] -= 64;
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gi.trace( &tr, start, ent->mins, ent->maxs, end, ent->s.number, MASK_PLAYERSOLID );
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if ( tr.fraction < 1.0 )
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{
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VectorCopy( tr.endpos, point);
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break;
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}
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// otherwise just use the origin
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VectorCopy( ent->currentOrigin, point );
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break;
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default:
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VectorCopy ( ent->currentOrigin, point );
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break;
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}
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}
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//===================================================================================
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/*
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qboolean NPC_UpdateAngles ( qboolean doPitch, qboolean doYaw )
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Added: option to do just pitch or just yaw
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Does not include "aim" in it's calculations
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FIXME: stop compressing angles into shorts!!!!
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*/
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qboolean NPC_UpdateAngles ( qboolean doPitch, qboolean doYaw )
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{
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#if 1
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float error;
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float decay;
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float targetPitch = 0;
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float targetYaw = 0;
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float yawSpeed;
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qboolean exact = qtrue;
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// if angle changes are locked; just keep the current angles
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if ( level.time < NPCInfo->aimTime )
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{
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if(doPitch)
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targetPitch = NPCInfo->lockedDesiredPitch;
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if(doYaw)
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targetYaw = NPCInfo->lockedDesiredYaw;
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}
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else
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{
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if(doPitch)
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{
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targetPitch = NPCInfo->desiredPitch;
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NPCInfo->lockedDesiredPitch = NPCInfo->desiredPitch;
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}
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if(doYaw)
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{
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targetYaw = NPCInfo->desiredYaw;
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NPCInfo->lockedDesiredYaw = NPCInfo->desiredYaw;
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}
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}
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yawSpeed = NPCInfo->stats.yawSpeed;
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if(NPCInfo->lookMode)
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{
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//We have a specific kind of looking we are doing, lower the lookMod, slower the yawspeed
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yawSpeed *= (float)NPCInfo->lookMode/(float)LT_FULLFACE;
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}
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if( doYaw )
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{
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// decay yaw error
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error = AngleDelta ( NPC->client->ps.viewangles[YAW], targetYaw );
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if( fabs(error) > MIN_ANGLE_ERROR )
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{
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0f / 1000.0f;//msec
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if ( error < 0.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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ucmd.angles[YAW] = ANGLE2SHORT( targetYaw + error ) - client->ps.delta_angles[YAW];
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}
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//FIXME: have a pitchSpeed?
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if( doPitch )
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{
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// decay pitch error
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error = AngleDelta ( NPC->client->ps.viewangles[PITCH], targetPitch );
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if ( fabs(error) > MIN_ANGLE_ERROR )
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{
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0f / 1000.0f;//msec
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if ( error < 0.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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ucmd.angles[PITCH] = ANGLE2SHORT( targetPitch + error ) - client->ps.delta_angles[PITCH];
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}
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ucmd.angles[ROLL] = ANGLE2SHORT ( NPC->client->ps.viewangles[ROLL] ) - client->ps.delta_angles[ROLL];
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return exact;
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#else
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float error;
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float decay;
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float targetPitch = 0;
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float targetYaw = 0;
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float yawSpeed;
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//float runningMod = NPCInfo->currentSpeed/100.0f;
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qboolean exact = qtrue;
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qboolean doSound = qfalse;
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// if angle changes are locked; just keep the current angles
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if ( level.time < NPCInfo->aimTime )
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{
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if(doPitch)
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targetPitch = NPCInfo->lockedDesiredPitch;
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if(doYaw)
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targetYaw = NPCInfo->lockedDesiredYaw;
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}
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else
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{
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if(doPitch)
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targetPitch = NPCInfo->desiredPitch;
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if(doYaw)
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targetYaw = NPCInfo->desiredYaw;
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// NPCInfo->aimTime = level.time + 250;
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if(doPitch)
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NPCInfo->lockedDesiredPitch = NPCInfo->desiredPitch;
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if(doYaw)
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NPCInfo->lockedDesiredYaw = NPCInfo->desiredYaw;
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}
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yawSpeed = NPCInfo->stats.yawSpeed;
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if(NPCInfo->lookMode)
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{//We have a specific kind of looking we are doing,
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//lower the lookMod, slower the yawspeed
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yawSpeed *= (float)NPCInfo->lookMode/(float)LT_FULLFACE;
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}
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/*
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if ( runningMod > 1.0 )
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{
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yawSpeed *= runningMod;
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}
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*/
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if(doYaw)
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{
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// decay yaw error
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error = AngleDelta ( NPC->client->ps.viewangles[YAW], targetYaw );
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if( fabs(error) > MIN_ANGLE_ERROR )
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{
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/*
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if(NPC->client->playerTeam == TEAM_BORG&&
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NPCInfo->behaviorState != BS_FACE&&NPCInfo->tempBehavior!= BS_FACE)
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{//HACK - borg turn more jittery
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0 / 1000.0;//msec
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//Snap to
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if(fabs(error) > 10)
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{
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if(random() > 0.6)
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{
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doSound = qtrue;
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}
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}
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if ( error < 0.0)//-10.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else if ( error > 0.0)//10.0 )
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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else*/
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0 / 1000.0;//msec
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if ( error < 0.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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ucmd.angles[YAW] = ANGLE2SHORT( targetYaw + error ) - client->ps.delta_angles[YAW];
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}
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//FIXME: have a pitchSpeed?
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if(doPitch)
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{
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// decay pitch error
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error = AngleDelta ( NPC->client->ps.viewangles[PITCH], targetPitch );
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if ( fabs(error) > MIN_ANGLE_ERROR )
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{
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/*
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if(NPC->client->playerTeam == TEAM_BORG&&
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NPCInfo->behaviorState != BS_FACE&&NPCInfo->tempBehavior!= BS_FACE)
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{//HACK - borg turn more jittery
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0 / 1000.0;//msec
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//Snap to
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if(fabs(error) > 10)
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{
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if(random() > 0.6)
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{
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doSound = qtrue;
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}
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}
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if ( error < 0.0)//-10.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else if ( error > 0.0)//10.0 )
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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else*/
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if ( error )
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{
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exact = qfalse;
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decay = 60.0 + yawSpeed * 3;
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decay *= 50.0 / 1000.0;//msec
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if ( error < 0.0 )
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{
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error += decay;
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if ( error > 0.0 )
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{
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error = 0.0;
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}
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}
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else
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{
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error -= decay;
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if ( error < 0.0 )
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{
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error = 0.0;
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}
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}
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}
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}
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ucmd.angles[PITCH] = ANGLE2SHORT( targetPitch + error ) - client->ps.delta_angles[PITCH];
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}
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ucmd.angles[ROLL] = ANGLE2SHORT ( NPC->client->ps.viewangles[ROLL] ) - client->ps.delta_angles[ROLL];
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if(doSound)
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{
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G_Sound(NPC, G_SoundIndex(va("sound/enemies/borg/borgservo%d.wav", Q_irand(1, 8))));
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}
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return exact;
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#endif
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}
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void NPC_AimWiggle( vec3_t enemy_org )
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{
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//shoot for somewhere between the head and torso
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//NOTE: yes, I know this looks weird, but it works
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if ( NPCInfo->aimErrorDebounceTime < level.time )
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{
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NPCInfo->aimOfs[0] = 0.3*Q_flrand(NPC->enemy->mins[0], NPC->enemy->maxs[0]);
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NPCInfo->aimOfs[1] = 0.3*Q_flrand(NPC->enemy->mins[1], NPC->enemy->maxs[1]);
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if ( NPC->enemy->maxs[2] > 0 )
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{
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NPCInfo->aimOfs[2] = NPC->enemy->maxs[2]*Q_flrand(0.0f, -1.0f);
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}
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}
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VectorAdd( enemy_org, NPCInfo->aimOfs, enemy_org );
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}
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/*
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qboolean NPC_UpdateFiringAngles ( qboolean doPitch, qboolean doYaw )
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Includes aim when determining angles - so they don't always hit...
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*/
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qboolean NPC_UpdateFiringAngles ( qboolean doPitch, qboolean doYaw )
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{
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#if 0
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float diff;
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float error;
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float targetPitch = 0;
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float targetYaw = 0;
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qboolean exact = qtrue;
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if ( level.time < NPCInfo->aimTime )
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{
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if( doPitch )
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targetPitch = NPCInfo->lockedDesiredPitch;
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if( doYaw )
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targetYaw = NPCInfo->lockedDesiredYaw;
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}
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else
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{
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if( doPitch )
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{
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targetPitch = NPCInfo->desiredPitch;
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NPCInfo->lockedDesiredPitch = NPCInfo->desiredPitch;
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}
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if( doYaw )
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{
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targetYaw = NPCInfo->desiredYaw;
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NPCInfo->lockedDesiredYaw = NPCInfo->desiredYaw;
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}
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}
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if( doYaw )
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{
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// add yaw error based on NPCInfo->aim value
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error = ((float)(6 - NPCInfo->stats.aim)) * Q_flrand(-1, 1);
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if(Q_irand(0, 1))
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error *= -1;
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diff = AngleDelta ( NPC->client->ps.viewangles[YAW], targetYaw );
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if ( diff )
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exact = qfalse;
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ucmd.angles[YAW] = ANGLE2SHORT( targetYaw + diff + error ) - client->ps.delta_angles[YAW];
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}
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if( doPitch )
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{
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// add pitch error based on NPCInfo->aim value
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error = ((float)(6 - NPCInfo->stats.aim)) * Q_flrand(-1, 1);
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diff = AngleDelta ( NPC->client->ps.viewangles[PITCH], targetPitch );
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if ( diff )
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exact = qfalse;
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ucmd.angles[PITCH] = ANGLE2SHORT( targetPitch + diff + error ) - client->ps.delta_angles[PITCH];
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}
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ucmd.angles[ROLL] = ANGLE2SHORT ( NPC->client->ps.viewangles[ROLL] ) - client->ps.delta_angles[ROLL];
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|
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return exact;
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|
|
#else
|
|
|
|
float error, diff;
|
|
float decay;
|
|
float targetPitch = 0;
|
|
float targetYaw = 0;
|
|
qboolean exact = qtrue;
|
|
|
|
// if angle changes are locked; just keep the current angles
|
|
if ( level.time < NPCInfo->aimTime )
|
|
{
|
|
if(doPitch)
|
|
targetPitch = NPCInfo->lockedDesiredPitch;
|
|
if(doYaw)
|
|
targetYaw = NPCInfo->lockedDesiredYaw;
|
|
}
|
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else
|
|
{
|
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if(doPitch)
|
|
targetPitch = NPCInfo->desiredPitch;
|
|
if(doYaw)
|
|
targetYaw = NPCInfo->desiredYaw;
|
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|
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// NPCInfo->aimTime = level.time + 250;
|
|
if(doPitch)
|
|
NPCInfo->lockedDesiredPitch = NPCInfo->desiredPitch;
|
|
if(doYaw)
|
|
NPCInfo->lockedDesiredYaw = NPCInfo->desiredYaw;
|
|
}
|
|
|
|
if ( NPCInfo->aimErrorDebounceTime < level.time )
|
|
{
|
|
if ( Q_irand(0, 1 ) )
|
|
{
|
|
NPCInfo->lastAimErrorYaw = ((float)(6 - NPCInfo->stats.aim)) * Q_flrand(-1, 1);
|
|
}
|
|
if ( Q_irand(0, 1 ) )
|
|
{
|
|
NPCInfo->lastAimErrorPitch = ((float)(6 - NPCInfo->stats.aim)) * Q_flrand(-1, 1);
|
|
}
|
|
NPCInfo->aimErrorDebounceTime = level.time + Q_irand(250, 2000);
|
|
}
|
|
|
|
if(doYaw)
|
|
{
|
|
// decay yaw diff
|
|
diff = AngleDelta ( NPC->client->ps.viewangles[YAW], targetYaw );
|
|
|
|
if ( diff)
|
|
{
|
|
exact = qfalse;
|
|
|
|
decay = 60.0 + 80.0;
|
|
decay *= 50.0f / 1000.0f;//msec
|
|
if ( diff < 0.0 )
|
|
{
|
|
diff += decay;
|
|
if ( diff > 0.0 )
|
|
{
|
|
diff = 0.0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
diff -= decay;
|
|
if ( diff < 0.0 )
|
|
{
|
|
diff = 0.0;
|
|
}
|
|
}
|
|
}
|
|
|
|
// add yaw error based on NPCInfo->aim value
|
|
error = NPCInfo->lastAimErrorYaw;
|
|
|
|
/*
|
|
if(Q_irand(0, 1))
|
|
{
|
|
error *= -1;
|
|
}
|
|
*/
|
|
|
|
ucmd.angles[YAW] = ANGLE2SHORT( targetYaw + diff + error ) - client->ps.delta_angles[YAW];
|
|
}
|
|
|
|
if(doPitch)
|
|
{
|
|
// decay pitch diff
|
|
diff = AngleDelta ( NPC->client->ps.viewangles[PITCH], targetPitch );
|
|
if ( diff)
|
|
{
|
|
exact = qfalse;
|
|
|
|
decay = 60.0 + 80.0;
|
|
decay *= 50.0f / 1000.0f;//msec
|
|
if ( diff < 0.0 )
|
|
{
|
|
diff += decay;
|
|
if ( diff > 0.0 )
|
|
{
|
|
diff = 0.0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
diff -= decay;
|
|
if ( diff < 0.0 )
|
|
{
|
|
diff = 0.0;
|
|
}
|
|
}
|
|
}
|
|
|
|
error = NPCInfo->lastAimErrorPitch;
|
|
|
|
ucmd.angles[PITCH] = ANGLE2SHORT( targetPitch + diff + error ) - client->ps.delta_angles[PITCH];
|
|
}
|
|
|
|
ucmd.angles[ROLL] = ANGLE2SHORT ( NPC->client->ps.viewangles[ROLL] ) - client->ps.delta_angles[ROLL];
|
|
|
|
return exact;
|
|
|
|
#endif
|
|
|
|
}
|
|
//===================================================================================
|
|
|
|
/*
|
|
static void NPC_UpdateShootAngles (vec3_t angles, qboolean doPitch, qboolean doYaw )
|
|
|
|
Does update angles on shootAngles
|
|
*/
|
|
|
|
void NPC_UpdateShootAngles (vec3_t angles, qboolean doPitch, qboolean doYaw )
|
|
{//FIXME: shoot angles either not set right or not used!
|
|
float error;
|
|
float decay;
|
|
float targetPitch = 0;
|
|
float targetYaw = 0;
|
|
|
|
if(doPitch)
|
|
targetPitch = angles[PITCH];
|
|
if(doYaw)
|
|
targetYaw = angles[YAW];
|
|
|
|
|
|
if(doYaw)
|
|
{
|
|
// decay yaw error
|
|
error = AngleDelta ( NPCInfo->shootAngles[YAW], targetYaw );
|
|
if ( error )
|
|
{
|
|
decay = 60.0 + 80.0 * NPCInfo->stats.aim;
|
|
decay *= 100.0f / 1000.0f;//msec
|
|
if ( error < 0.0 )
|
|
{
|
|
error += decay;
|
|
if ( error > 0.0 )
|
|
{
|
|
error = 0.0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error -= decay;
|
|
if ( error < 0.0 )
|
|
{
|
|
error = 0.0;
|
|
}
|
|
}
|
|
}
|
|
NPCInfo->shootAngles[YAW] = targetYaw + error;
|
|
}
|
|
|
|
if(doPitch)
|
|
{
|
|
// decay pitch error
|
|
error = AngleDelta ( NPCInfo->shootAngles[PITCH], targetPitch );
|
|
if ( error )
|
|
{
|
|
decay = 60.0 + 80.0 * NPCInfo->stats.aim;
|
|
decay *= 100.0f / 1000.0f;//msec
|
|
if ( error < 0.0 )
|
|
{
|
|
error += decay;
|
|
if ( error > 0.0 )
|
|
{
|
|
error = 0.0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
error -= decay;
|
|
if ( error < 0.0 )
|
|
{
|
|
error = 0.0;
|
|
}
|
|
}
|
|
}
|
|
NPCInfo->shootAngles[PITCH] = targetPitch + error;
|
|
}
|
|
}
|
|
|
|
/*
|
|
void SetTeamNumbers (void)
|
|
|
|
Sets the number of living clients on each team
|
|
|
|
FIXME: Does not account for non-respawned players!
|
|
FIXME: Don't include medics?
|
|
*/
|
|
void SetTeamNumbers (void)
|
|
{
|
|
gentity_t *found;
|
|
int i;
|
|
|
|
for( i = 0; i < TEAM_NUM_TEAMS; i++ )
|
|
{
|
|
teamNumbers[i] = 0;
|
|
teamStrength[i] = 0;
|
|
}
|
|
|
|
for( i = 0; i < 1 ; i++ )
|
|
{
|
|
found = &g_entities[i];
|
|
|
|
if( found->client )
|
|
{
|
|
if( found->health > 0 )//FIXME: or if a player!
|
|
{
|
|
teamNumbers[found->client->playerTeam]++;
|
|
teamStrength[found->client->playerTeam] += found->health;
|
|
}
|
|
}
|
|
}
|
|
|
|
for( i = 0; i < TEAM_NUM_TEAMS; i++ )
|
|
{//Get the average health
|
|
teamStrength[i] = floor( ((float)(teamStrength[i])) / ((float)(teamNumbers[i])) );
|
|
}
|
|
}
|
|
|
|
extern stringID_table_t BSTable[];
|
|
extern stringID_table_t BSETTable[];
|
|
void G_ActivateBehavior (gentity_t *self, int bset )
|
|
{
|
|
bState_t bSID = (bState_t)-1;
|
|
char *bs_name = NULL;
|
|
|
|
if ( !self )
|
|
{
|
|
return;
|
|
}
|
|
|
|
bs_name = self->behaviorSet[bset];
|
|
|
|
if(!bs_name || !bs_name[0])
|
|
{
|
|
return;
|
|
}
|
|
|
|
if ( self->NPC )
|
|
{
|
|
bSID = (bState_t)(GetIDForString( BSTable, bs_name ));
|
|
}
|
|
|
|
if(bSID > -1)
|
|
{
|
|
self->NPC->tempBehavior = BS_DEFAULT;
|
|
self->NPC->behaviorState = bSID;
|
|
}
|
|
else
|
|
{
|
|
/*
|
|
char newname[MAX_FILENAME_LENGTH];
|
|
sprintf((char *) &newname, "%s/%s", Q3_SCRIPT_DIR, bs_name );
|
|
*/
|
|
|
|
//FIXME: between here and actually getting into the ICARUS_RunScript function, the stack gets blown!
|
|
Q3_DebugPrint( WL_VERBOSE, "%s attempting to run bSet %s (%s)\n", self->targetname, GetStringForID( BSETTable, bset ), bs_name );
|
|
ICARUS_RunScript( self, va( "%s/%s", Q3_SCRIPT_DIR, bs_name ) );
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
Extended Functions
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_ValidEnemy
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_ValidEnemy( gentity_t *ent )
|
|
{
|
|
//Must be a valid pointer
|
|
if ( ent == NULL )
|
|
return qfalse;
|
|
|
|
//Must not be deleted
|
|
if ( ent->inuse == qfalse )
|
|
return qfalse;
|
|
|
|
//Must be an NPC
|
|
if ( ent->client == NULL )
|
|
return qfalse;
|
|
|
|
//Can't be on the same team
|
|
if ( ent->client->playerTeam == NPC->client->playerTeam )
|
|
return qfalse;
|
|
|
|
//Must be alive
|
|
if ( ent->health <= 0 )
|
|
return qfalse;
|
|
|
|
//In case they're in notarget mode
|
|
if ( ent->flags & FL_NOTARGET )
|
|
return qfalse;
|
|
|
|
//Don't pick up on a disguised player
|
|
if ( NPC_CheckDisguise( ent ) )
|
|
return qfalse;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_TargetVisible
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_TargetVisible( gentity_t *ent )
|
|
{
|
|
//Make sure we're in a valid range
|
|
if ( DistanceSquared( ent->currentOrigin, NPC->currentOrigin ) > ( NPCInfo->stats.visrange * NPCInfo->stats.visrange ) )
|
|
return qfalse;
|
|
|
|
//Check our FOV
|
|
if ( InFOV( ent, NPC, NPCInfo->stats.hfov, NPCInfo->stats.vfov ) == qfalse )
|
|
return qfalse;
|
|
|
|
//Check for sight
|
|
if ( NPC_ClearLOS( ent ) == qfalse )
|
|
return qfalse;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_GetCheckDelta
|
|
-------------------------
|
|
*/
|
|
|
|
/*
|
|
#define CHECK_TIME_BASE 250
|
|
#define CHECK_TIME_BASE_SQUARED ( CHECK_TIME_BASE * CHECK_TIME_BASE )
|
|
|
|
static int NPC_GetCheckDelta( void )
|
|
{
|
|
if ( NPC_ValidEnemy( NPC->enemy ) == qfalse )
|
|
{
|
|
int distance = DistanceSquared( NPC->currentOrigin, g_entities[0].currentOrigin );
|
|
|
|
distance /= CHECK_TIME_BASE_SQUARED;
|
|
|
|
return ( CHECK_TIME_BASE * distance );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
*/
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FindNearestEnemy
|
|
-------------------------
|
|
*/
|
|
|
|
#define MAX_RADIUS_ENTS 256 //NOTE: This can cause entities to be lost
|
|
#define NEAR_DEFAULT_RADIUS 256
|
|
|
|
int NPC_FindNearestEnemy( gentity_t *ent )
|
|
{
|
|
gentity_t *radiusEnts[ MAX_RADIUS_ENTS ];
|
|
vec3_t mins, maxs;
|
|
int nearestEntID = -1;
|
|
int nearestDist = 99999999;
|
|
int distance;
|
|
int numEnts;
|
|
|
|
//Setup the bbox to search in
|
|
for ( int i = 0; i < 3; i++ )
|
|
{
|
|
mins[i] = ent->currentOrigin[i] - NPCInfo->stats.visrange;
|
|
maxs[i] = ent->currentOrigin[i] + NPCInfo->stats.visrange;
|
|
}
|
|
|
|
//Get a number of entities in a given space
|
|
numEnts = gi.EntitiesInBox( mins, maxs, radiusEnts, MAX_RADIUS_ENTS );
|
|
|
|
for ( i = 0; i < numEnts; i++ )
|
|
{
|
|
//Don't consider self
|
|
if ( radiusEnts[i] == ent )
|
|
continue;
|
|
|
|
//Must be valid
|
|
if ( NPC_ValidEnemy( radiusEnts[i] ) == qfalse )
|
|
continue;
|
|
|
|
//Must be visible
|
|
if ( NPC_TargetVisible( radiusEnts[i] ) == qfalse )
|
|
continue;
|
|
|
|
distance = DistanceSquared( ent->currentOrigin, radiusEnts[i]->currentOrigin );
|
|
|
|
//Found one closer to us
|
|
if ( distance < nearestDist )
|
|
{
|
|
nearestEntID = radiusEnts[i]->s.number;
|
|
nearestDist = distance;
|
|
}
|
|
}
|
|
|
|
return nearestEntID;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_PickEnemyExt
|
|
-------------------------
|
|
*/
|
|
|
|
gentity_t *NPC_PickEnemyExt( void )
|
|
{
|
|
//Check for Hazard Team status and remove this check
|
|
/*
|
|
if ( NPC->client->playerTeam != TEAM_STARFLEET )
|
|
{
|
|
//If we've found the player, return it
|
|
if ( NPC_FindPlayer() )
|
|
return &g_entities[0];
|
|
}
|
|
*/
|
|
|
|
//If we've asked for the closest enemy
|
|
int entID = NPC_FindNearestEnemy( NPC );
|
|
|
|
//If we have a valid enemy, use it
|
|
if ( entID >= 0 )
|
|
return &g_entities[entID];
|
|
|
|
int alertEvent = NPC_CheckAlertEvents();
|
|
|
|
//There is an event to look at
|
|
if ( alertEvent >= 0 )
|
|
{
|
|
alertEvent_t *event = &level.alertEvents[alertEvent];
|
|
|
|
//Don't pay attention to our own alerts
|
|
if ( event->owner == NPC )
|
|
return NULL;
|
|
|
|
if ( event->level == AEL_DISCOVERED )
|
|
{
|
|
//If it's the player, attack him
|
|
if ( event->owner == &g_entities[0] )
|
|
return event->owner;
|
|
|
|
//If it's on our team, then take its enemy as well
|
|
if ( ( event->owner->client ) && ( event->owner->client->playerTeam == NPC->client->playerTeam ) )
|
|
return event->owner->enemy;
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FindPlayer
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_FindPlayer( void )
|
|
{
|
|
return NPC_TargetVisible( &g_entities[0] );
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_CheckPlayerDistance
|
|
-------------------------
|
|
*/
|
|
|
|
static qboolean NPC_CheckPlayerDistance( void )
|
|
{
|
|
//Make sure we have an enemy
|
|
if ( NPC->enemy == NULL )
|
|
return qfalse;
|
|
|
|
//Only do this for non-players
|
|
if ( NPC->enemy->s.number == 0 )
|
|
return qfalse;
|
|
|
|
//Must be within our FOV
|
|
if ( InFOV( &g_entities[0], NPC, NPCInfo->stats.hfov, NPCInfo->stats.vfov ) == qfalse )
|
|
return qfalse;
|
|
|
|
float distance = DistanceSquared( NPC->currentOrigin, NPC->enemy->currentOrigin );
|
|
|
|
if ( distance > DistanceSquared( NPC->currentOrigin, g_entities[0].currentOrigin ) )
|
|
{
|
|
G_SetEnemy( NPC, &g_entities[0] );
|
|
return qtrue;
|
|
}
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FindEnemy
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_FindEnemy( void )
|
|
{
|
|
//We're ignoring all enemies for now
|
|
if( NPC->svFlags & SVF_IGNORE_ENEMIES )
|
|
{
|
|
G_ClearEnemy( NPC );
|
|
return qfalse;
|
|
}
|
|
|
|
//Don't want a new enemy
|
|
if ( ( ValidEnemy( NPC->enemy ) ) && ( NPC->svFlags & SVF_LOCKEDENEMY ) )
|
|
return qtrue;
|
|
|
|
//See if the player is closer than our current enemy
|
|
if ( NPC_CheckPlayerDistance() )
|
|
return qtrue;
|
|
|
|
//Otherwise, turn off the flag
|
|
NPC->svFlags &= ~SVF_LOCKEDENEMY;
|
|
|
|
//If we've gotten here alright, then our target it still valid
|
|
if ( NPC_ValidEnemy( NPC->enemy ) )
|
|
return qtrue;
|
|
|
|
gentity_t *newenemy = NPC_PickEnemyExt( );
|
|
|
|
//if we found one, take it as the enemy
|
|
if( NPC_ValidEnemy( newenemy ) )
|
|
{
|
|
G_SetEnemy( NPC, newenemy );
|
|
return qtrue;
|
|
}
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_CheckEnemyExt
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_CheckEnemyExt( void )
|
|
{
|
|
//Make sure we're ready to think again
|
|
/*
|
|
if ( NPCInfo->enemyCheckDebounceTime > level.time )
|
|
return qfalse;
|
|
|
|
//Get our next think time
|
|
NPCInfo->enemyCheckDebounceTime = level.time + NPC_GetCheckDelta();
|
|
|
|
//Attempt to find an enemy
|
|
return NPC_FindEnemy();
|
|
*/
|
|
return NPC_FindEnemy();
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FacePosition
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_FacePosition( vec3_t position, qboolean doPitch )
|
|
{
|
|
vec3_t muzzle;
|
|
qboolean facing = qtrue;
|
|
|
|
//Get the positions
|
|
CalcEntitySpot( NPC, SPOT_HEAD, muzzle );
|
|
|
|
//Find the desired angles
|
|
vec3_t angles;
|
|
|
|
GetAnglesForDirection( muzzle, position, angles );
|
|
|
|
NPCInfo->desiredYaw = AngleNormalize360( angles[YAW] );
|
|
NPCInfo->desiredPitch = AngleNormalize360( angles[PITCH] );
|
|
|
|
//Face that yaw
|
|
NPC_UpdateAngles( qtrue, qtrue );
|
|
|
|
//Find the delta between our goal and our current facing
|
|
float yawDelta = AngleNormalize360( NPCInfo->desiredYaw - ( SHORT2ANGLE( ucmd.angles[YAW] + client->ps.delta_angles[YAW] ) ) );
|
|
|
|
//See if we are facing properly
|
|
if ( fabs( yawDelta ) > VALID_ATTACK_CONE )
|
|
facing = qfalse;
|
|
|
|
if ( doPitch )
|
|
{
|
|
//Find the delta between our goal and our current facing
|
|
float currentAngles = ( SHORT2ANGLE( ucmd.angles[PITCH] + client->ps.delta_angles[PITCH] ) );
|
|
float pitchDelta = NPCInfo->desiredPitch - currentAngles;
|
|
|
|
//See if we are facing properly
|
|
if ( fabs( pitchDelta ) > VALID_ATTACK_CONE )
|
|
facing = qfalse;
|
|
}
|
|
|
|
return facing;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FaceEntity
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_FaceEntity( gentity_t *ent, qboolean doPitch )
|
|
{
|
|
vec3_t entPos;
|
|
|
|
//Get the positions
|
|
CalcEntitySpot( ent, SPOT_HEAD, entPos );
|
|
|
|
return NPC_FacePosition( entPos, doPitch );
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_FaceEnemy
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_FaceEnemy( qboolean doPitch )
|
|
{
|
|
if ( NPC == NULL )
|
|
return qfalse;
|
|
|
|
if ( NPC->enemy == NULL )
|
|
return qfalse;
|
|
|
|
return NPC_FaceEntity( NPC->enemy, doPitch );
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_CheckCanAttackExt
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_CheckCanAttackExt( void )
|
|
{
|
|
//We don't want them to shoot
|
|
if( NPCInfo->aiFlags & NPCAI_DONT_FIRE )
|
|
return qfalse;
|
|
|
|
//Turn to face
|
|
if ( NPC_FaceEnemy( qtrue ) == qfalse )
|
|
return qfalse;
|
|
|
|
//Must have a clear line of sight to the target
|
|
if ( NPC_ClearShot( NPC->enemy ) == qfalse )
|
|
return qfalse;
|
|
|
|
return qtrue;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_CheckDisguise
|
|
-------------------------
|
|
*/
|
|
|
|
qboolean NPC_CheckDisguise( gentity_t *ent )
|
|
{
|
|
if ( ent->client && ent->client->playerTeam == TEAM_DISGUISE )
|
|
return qtrue;
|
|
|
|
//NOTENOTE: DO NOT RE-ADD THE WEAPON CHECKING!!!!
|
|
|
|
return qfalse;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_ClearLookTarget
|
|
-------------------------
|
|
*/
|
|
|
|
void NPC_ClearLookTarget( gentity_t *self )
|
|
{
|
|
if ( !self->client )
|
|
{
|
|
return;
|
|
}
|
|
|
|
self->client->renderInfo.lookTarget = ENTITYNUM_WORLD;
|
|
self->client->renderInfo.lookTargetClearTime = 0;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_SetLookTarget
|
|
-------------------------
|
|
*/
|
|
void NPC_SetLookTarget( gentity_t *self, int entNum, int clearTime )
|
|
{
|
|
if ( !self->client )
|
|
{
|
|
return;
|
|
}
|
|
|
|
self->client->renderInfo.lookTarget = entNum;
|
|
self->client->renderInfo.lookTargetClearTime = clearTime;
|
|
}
|
|
|
|
/*
|
|
-------------------------
|
|
NPC_CheckLookTarget
|
|
-------------------------
|
|
*/
|
|
qboolean NPC_CheckLookTarget( gentity_t *self )
|
|
{
|
|
if ( self->client )
|
|
{
|
|
if ( self->client->renderInfo.lookTarget >= 0 && self->client->renderInfo.lookTarget < ENTITYNUM_WORLD )
|
|
{//within valid range
|
|
if ( (&g_entities[self->client->renderInfo.lookTarget] == NULL) || !g_entities[self->client->renderInfo.lookTarget].inuse )
|
|
{//lookTarget not inuse or not valid anymore
|
|
NPC_ClearLookTarget( self );
|
|
}
|
|
else if ( self->client->renderInfo.lookTargetClearTime && self->client->renderInfo.lookTargetClearTime < level.time )
|
|
{//Time to clear lookTarget
|
|
NPC_ClearLookTarget( self );
|
|
}
|
|
else
|
|
{
|
|
return qtrue;
|
|
}
|
|
}
|
|
}
|
|
|
|
return qfalse;
|
|
}
|
|
|