Ejemplo n.º 1
0
/*
 void NPC_BSAdvanceFight (void)

Advance towards your captureGoal and shoot anyone you can along the way.
*/
void NPC_BSAdvanceFight (void)
{//FIXME: IMPLEMENT
//Head to Goal if I can

	//Make sure we're still headed where we want to capture
	if ( NPCInfo->captureGoal )
	{//FIXME: if no captureGoal, what do we do?
		//VectorCopy( NPCInfo->captureGoal->currentOrigin, NPCInfo->tempGoal->currentOrigin );
		//NPCInfo->goalEntity = NPCInfo->tempGoal;

		NPC_SetMoveGoal( NPC, NPCInfo->captureGoal->currentOrigin, 16, qtrue );

//		NAV_ClearLastRoute(NPC);
		NPCInfo->goalTime = level.time + 100000;
	}

//	NPC_BSRun();

	NPC_CheckEnemy(qtrue, qfalse);

	//FIXME: Need melee code
	if( NPC->enemy )
	{//See if we can shoot him
		vec3_t		delta, forward;
		vec3_t		angleToEnemy;
		vec3_t		hitspot, muzzle, diff, enemy_org, enemy_head;
		float		distanceToEnemy;
		qboolean	attack_ok = qfalse;
		qboolean	dead_on = qfalse;
		float		attack_scale = 1.0;
		float		aim_off;
		float		max_aim_off = 64;

		//Yaw to enemy
		VectorMA(NPC->enemy->absmin, 0.5, NPC->enemy->maxs, enemy_org);
		CalcEntitySpot( NPC, SPOT_WEAPON, muzzle );
		
		VectorSubtract (enemy_org, muzzle, delta);
		vectoangles ( delta, angleToEnemy );
		distanceToEnemy = VectorNormalize(delta);

		if(!NPC_EnemyTooFar(NPC->enemy, distanceToEnemy*distanceToEnemy, qtrue))
		{
			attack_ok = qtrue;
		}

		if(attack_ok)
		{
			NPC_UpdateShootAngles(angleToEnemy, qfalse, qtrue);

			NPCInfo->enemyLastVisibility = enemyVisibility;
			enemyVisibility = NPC_CheckVisibility ( NPC->enemy, CHECK_FOV);//CHECK_360|//CHECK_PVS|

			if(enemyVisibility == VIS_FOV)
			{//He's in our FOV
				
				attack_ok = qtrue;
				CalcEntitySpot( NPC->enemy, SPOT_HEAD, enemy_head);

				if(attack_ok)
				{
					trace_t		tr;
					gentity_t	*traceEnt;
					//are we gonna hit him if we shoot at his center?
					gi.trace ( &tr, muzzle, NULL, NULL, enemy_org, NPC->s.number, MASK_SHOT, G2_NOCOLLIDE, 0 );
					traceEnt = &g_entities[tr.entityNum];
					if( traceEnt != NPC->enemy &&
						(!traceEnt || !traceEnt->client || !NPC->client->enemyTeam || NPC->client->enemyTeam != traceEnt->client->playerTeam) )
					{//no, so shoot for the head
						attack_scale *= 0.75;
						gi.trace ( &tr, muzzle, NULL, NULL, enemy_head, NPC->s.number, MASK_SHOT, G2_NOCOLLIDE, 0 );
						traceEnt = &g_entities[tr.entityNum];
					}

					VectorCopy( tr.endpos, hitspot );

					if( traceEnt == NPC->enemy || (traceEnt->client && NPC->client->enemyTeam && NPC->client->enemyTeam == traceEnt->client->playerTeam) )
					{
						dead_on = qtrue;
					}
					else
					{
						attack_scale *= 0.5;
						if(NPC->client->playerTeam)
						{
							if(traceEnt && traceEnt->client && traceEnt->client->playerTeam)
							{
								if(NPC->client->playerTeam == traceEnt->client->playerTeam)
								{//Don't shoot our own team
									attack_ok = qfalse;
								}
							}
						}
					}
				}

				if( attack_ok )
				{
					//ok, now adjust pitch aim
					VectorSubtract (hitspot, muzzle, delta);
					vectoangles ( delta, angleToEnemy );
					NPC->NPC->desiredPitch = angleToEnemy[PITCH];
					NPC_UpdateShootAngles(angleToEnemy, qtrue, qfalse);

					if( !dead_on )
					{//We're not going to hit him directly, try a suppressing fire
						//see if where we're going to shoot is too far from his origin
						AngleVectors (NPCInfo->shootAngles, forward, NULL, NULL);
						VectorMA ( muzzle, distanceToEnemy, forward, hitspot);
						VectorSubtract(hitspot, enemy_org, diff);
						aim_off = VectorLength(diff);
						if(aim_off > random() * max_aim_off)//FIXME: use aim value to allow poor aim?
						{
							attack_scale *= 0.75;
							//see if where we're going to shoot is too far from his head
							VectorSubtract(hitspot, enemy_head, diff);
							aim_off = VectorLength(diff);
							if(aim_off > random() * max_aim_off)
							{
								attack_ok = qfalse;
							}
						}
						attack_scale *= (max_aim_off - aim_off + 1)/max_aim_off;
					}
				}
			}
		}

		if( attack_ok )
		{
			if( NPC_CheckAttack( attack_scale ))
			{//check aggression to decide if we should shoot
				enemyVisibility = VIS_SHOOT;
				WeaponThink(qtrue);
			}
			else
				attack_ok = qfalse;
		}
//Don't do this- only for when stationary and trying to shoot an enemy
//		else
//			NPC->cantHitEnemyCounter++;
	}
	else
	{//FIXME: 
		NPC_UpdateShootAngles(NPC->client->ps.viewangles, qtrue, qtrue);
	}

	if(!ucmd.forwardmove && !ucmd.rightmove)
	{//We reached our captureGoal
		if(NPC->taskManager)
		{
			Q3_TaskIDComplete( NPC, TID_BSTATE );
		}
	}
}
Ejemplo n.º 2
0
void NPC_BSHuntAndKill( void )
{
	qboolean	turned = qfalse;
	vec3_t		vec;
	float		enemyDist;
	visibility_t	oEVis;
	int			curAnim;

	NPC_CheckEnemy( /*NPCInfo->tempBehavior != BS_HUNT_AND_KILL*/qtrue, qfalse, qtrue );//don't find new enemy if this is tempbehav

	if ( NPC->enemy )
	{
		oEVis = enemyVisibility = NPC_CheckVisibility ( NPC->enemy, CHECK_FOV|CHECK_SHOOT );//CHECK_360|//CHECK_PVS|
		if(enemyVisibility > VIS_PVS)
		{
			if ( !NPC_EnemyTooFar( NPC->enemy, 0, qtrue ) )
			{//Enemy is close enough to shoot - FIXME: this next func does this also, but need to know here for info on whether ot not to turn later
				NPC_CheckCanAttack( 1.0, qfalse );
				turned = qtrue;
			}
		}

		curAnim = NPC->client->ps.legsAnim;
		if(curAnim != BOTH_ATTACK1 && curAnim != BOTH_ATTACK2 && curAnim != BOTH_ATTACK3 && curAnim != BOTH_MELEE1 && curAnim != BOTH_MELEE2 )
		{//Don't move toward enemy if we're in a full-body attack anim
			//FIXME, use IdealDistance to determin if we need to close distance
			VectorSubtract(NPC->enemy->r.currentOrigin, NPC->r.currentOrigin, vec);
			enemyDist = VectorLength(vec);
			if( enemyDist > 48 && ((enemyDist*1.5)*(enemyDist*1.5) >= NPC_MaxDistSquaredForWeapon() ||
				oEVis != VIS_SHOOT ||
				//!(ucmd.buttons & BUTTON_ATTACK) || 
				enemyDist > IdealDistance(NPC)*3 ) )
			{//We should close in?
				NPCInfo->goalEntity = NPC->enemy;

				NPC_MoveToGoal( qtrue );
			}
			else if(enemyDist < IdealDistance(NPC))
			{//We should back off?
				//if(ucmd.buttons & BUTTON_ATTACK)
				{
					NPCInfo->goalEntity = NPC->enemy;
					NPCInfo->goalRadius = 12;
					NPC_MoveToGoal( qtrue );

					ucmd.forwardmove *= -1;
					ucmd.rightmove *= -1;
					VectorScale( NPC->client->ps.moveDir, -1, NPC->client->ps.moveDir );

					ucmd.buttons |= BUTTON_WALKING;
				}
			}//otherwise, stay where we are
		}
	}
	else 
	{//ok, stand guard until we find an enemy
		if( NPCInfo->tempBehavior == BS_HUNT_AND_KILL )
		{
			NPCInfo->tempBehavior = BS_DEFAULT;
		}
		else
		{
			NPCInfo->tempBehavior = BS_STAND_GUARD;
			NPC_BSStandGuard();
		}
		return;
	}

	if(!turned)
	{
		NPC_UpdateAngles(qtrue, qtrue);
	}
}