C++ CNavigator::GetNodeEdge方法代码示例

void NPC_BSFlee( void )
{//FIXME: keep checking for danger
	if ( TIMER_Done( NPC, "flee" ) && NPCInfo->tempBehavior == BS_FLEE )
	{
		NPCInfo->tempBehavior = BS_DEFAULT;
		NPCInfo->squadState = SQUAD_IDLE;
		//FIXME: should we set some timer to make him stay in this spot for a bit, 
		//so he doesn't just suddenly turn around and come back at the enemy?
		//OR, just stop running toward goal for last second or so of flee?
	}
	if ( NPC_CheckSurrender() )
	{
		return;
	}
	gentity_t *goal = NPCInfo->goalEntity;
	if ( !goal )
	{
		goal = NPCInfo->lastGoalEntity;
		if ( !goal )
		{//???!!!
			goal = NPCInfo->tempGoal;
		}
	}

	if ( goal )
	{
		qboolean reverseCourse = qtrue;

		//FIXME: if no weapon, find one and run to pick it up?

		//Let's try to find a waypoint that gets me away from this thing
		if ( NPC->waypoint == WAYPOINT_NONE )
		{
			NPC->waypoint = NAV_GetNearestNode( NPC, NPC->lastWaypoint );
		}
		if ( NPC->waypoint != WAYPOINT_NONE )
		{
			int	numEdges = navigator.GetNodeNumEdges( NPC->waypoint );

			if ( numEdges != WAYPOINT_NONE )
			{
				vec3_t	dangerDir;
				int		nextWp;

				VectorSubtract( NPCInfo->investigateGoal, NPC->currentOrigin, dangerDir );
				VectorNormalize( dangerDir );

				for ( int branchNum = 0; branchNum < numEdges; branchNum++ )
				{
					vec3_t	branchPos, runDir;

					nextWp = navigator.GetNodeEdge( NPC->waypoint, branchNum );
					navigator.GetNodePosition( nextWp, branchPos );

					VectorSubtract( branchPos, NPC->currentOrigin, runDir );
					VectorNormalize( runDir );
					if ( DotProduct( runDir, dangerDir ) > Q_flrand( 0, 0.5 ) )
					{//don't run toward danger
						continue;
					}
					//FIXME: don't want to ping-pong back and forth
					NPC_SetMoveGoal( NPC, branchPos, 0, qtrue );
					reverseCourse = qfalse;
					break;
				}
			}
		}

		qboolean	moved = NPC_MoveToGoal( qfalse );//qtrue? (do try to move straight to (away from) goal)

		if ( NPC->s.weapon == WP_NONE && (moved == qfalse || reverseCourse) )
		{//No weapon and no escape route... Just cower?  Need anim.
			NPC_Surrender();
			NPC_UpdateAngles( qtrue, qtrue );
			return;
		}
		//If our move failed, then just run straight away from our goal
		//FIXME: We really shouldn't do this.
		if ( moved == qfalse )
		{
			vec3_t	dir;
			float	dist;
			if ( reverseCourse )
			{
				VectorSubtract( NPC->currentOrigin, goal->currentOrigin, dir );
			}
			else
			{
				VectorSubtract( goal->currentOrigin, NPC->currentOrigin, dir );
			}
			NPCInfo->distToGoal	= dist = VectorNormalize( dir );
			NPCInfo->desiredYaw = vectoyaw( dir );
			NPCInfo->desiredPitch = 0;
			ucmd.forwardmove = 127;
		}
		else if ( reverseCourse )
		{
			//ucmd.forwardmove *= -1;
			//ucmd.rightmove *= -1;
			//VectorScale( NPC->client->ps.moveDir, -1, NPC->client->ps.moveDir );
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			{
				NPC_SetAnim(NPC, SETANIM_BOTH, BOTH_GUARD_LOOKAROUND1, SETANIM_FLAG_NORMAL);
			}
			else
			{
				NPC_SetAnim(NPC, SETANIM_BOTH, BOTH_GUARD_IDLE1, SETANIM_FLAG_NORMAL);
			}
			NPCInfo->investigateDebounceTime = level.time + Q_irand(3000, 10000);
		}
		else
		{
			NPC_MoveToGoal( qtrue );
		}
	}
	else
	{
		//We're there
		if ( NPCInfo->investigateDebounceTime > level.time )
		{
			//Still waiting around for a bit
			//Turn angles every now and then to look around
			if ( NPCInfo->tempGoal->waypoint != WAYPOINT_NONE )
			{
				if ( !Q_irand( 0, 30 ) )
				{
					int	numEdges = navigator.GetNodeNumEdges( NPCInfo->tempGoal->waypoint );

					if ( numEdges != WAYPOINT_NONE )
					{
						int branchNum = Q_irand( 0, numEdges - 1 );

						vec3_t	branchPos, lookDir;

						int nextWp = navigator.GetNodeEdge( NPCInfo->tempGoal->waypoint, branchNum );
						navigator.GetNodePosition( nextWp, branchPos );

						VectorSubtract( branchPos, NPCInfo->tempGoal->currentOrigin, lookDir );
						NPCInfo->desiredYaw = AngleNormalize360( vectoyaw( lookDir ) + Q_flrand( -45, 45 ) );
					}

					//pick an angle +-45 degrees off of the dir of a random branch
					//from NPCInfo->tempGoal->waypoint
					//int branch = Q_irand( 0, (waypoints[NPCInfo->tempGoal->waypoint].numNeighbors - 1) );
					//int	nextWp = waypoints[NPCInfo->tempGoal->waypoint].nextWaypoint[branch][NPCInfo->stats.moveType];
					//vec3_t	lookDir;

					//VectorSubtract( waypoints[nextWp].origin, NPCInfo->tempGoal->currentOrigin, lookDir );
					//Look in that direction +- 45 degrees
					//NPCInfo->desiredYaw = AngleNormalize360( vectoyaw( lookDir ) + Q_flrand( -45, 45 ) );
				}
			}
			//gi.Printf(".");
		}
		else
		{//Just finished waiting
			NPC->waypoint = NAV_FindClosestWaypointForEnt( NPC, WAYPOINT_NONE );
			
			if ( NPC->waypoint == NPCInfo->homeWp )
			{
				int	numEdges = navigator.GetNodeNumEdges( NPCInfo->tempGoal->waypoint );

				if ( numEdges != WAYPOINT_NONE )
				{
					int branchNum = Q_irand( 0, numEdges - 1 );

					int nextWp = navigator.GetNodeEdge( NPCInfo->homeWp, branchNum );

void NPC_BSWander (void)
{//FIXME: don't actually go all the way to the next waypoint, just move in fits and jerks...?
	if ( !NPCInfo->investigateDebounceTime )
	{//Starting out
		float	minGoalReachedDistSquared = 64;//32*32;
		vec3_t	vec;

		//Keep moving toward our tempGoal
		NPCInfo->goalEntity = NPCInfo->tempGoal;

		VectorSubtract ( NPCInfo->tempGoal->currentOrigin, NPC->currentOrigin, vec);

		if ( NPCInfo->tempGoal->waypoint != WAYPOINT_NONE )
		{
			minGoalReachedDistSquared = 64;
		}

		if ( VectorLengthSquared( vec ) < minGoalReachedDistSquared )
		{
			//Close enough, just got there
			NPC->waypoint = NAV_FindClosestWaypointForEnt( NPC, WAYPOINT_NONE );

			if( !Q_irand(0, 1) )
			{
				NPC_SetAnim(NPC, SETANIM_BOTH, BOTH_GUARD_LOOKAROUND1, SETANIM_FLAG_NORMAL);
			}
			else
			{
				NPC_SetAnim(NPC, SETANIM_BOTH, BOTH_GUARD_IDLE1, SETANIM_FLAG_NORMAL);
			}
			//Just got here, so Look around for a while
			NPCInfo->investigateDebounceTime = level.time + Q_irand(3000, 10000);
		}
		else
		{
			//Keep moving toward goal
			NPC_MoveToGoal( qtrue );
		}
	}
	else
	{
		//We're there
		if ( NPCInfo->investigateDebounceTime > level.time )
		{
			//Still waiting around for a bit
			//Turn angles every now and then to look around
			if ( NPCInfo->tempGoal->waypoint != WAYPOINT_NONE )
			{
				if ( !Q_irand( 0, 30 ) )
				{
					int	numEdges = navigator.GetNodeNumEdges( NPCInfo->tempGoal->waypoint );

					if ( numEdges != WAYPOINT_NONE )
					{
						int branchNum = Q_irand( 0, numEdges - 1 );

						vec3_t	branchPos, lookDir;

						int	nextWp = navigator.GetNodeEdge( NPCInfo->tempGoal->waypoint, branchNum );
						navigator.GetNodePosition( nextWp, branchPos );

						VectorSubtract( branchPos, NPCInfo->tempGoal->currentOrigin, lookDir );
						NPCInfo->desiredYaw = AngleNormalize360( vectoyaw( lookDir ) + Q_flrand( -45, 45 ) );
					}
				}
			}
		}
		else
		{//Just finished waiting
			NPC->waypoint = NAV_FindClosestWaypointForEnt( NPC, WAYPOINT_NONE );
			
			if ( NPC->waypoint != WAYPOINT_NONE )
			{
				int	numEdges = navigator.GetNodeNumEdges( NPC->waypoint );

				if ( numEdges != WAYPOINT_NONE )
				{
					int branchNum = Q_irand( 0, numEdges - 1 );

					int nextWp = navigator.GetNodeEdge( NPC->waypoint, branchNum );
					navigator.GetNodePosition( nextWp, NPCInfo->tempGoal->currentOrigin );
					NPCInfo->tempGoal->waypoint = nextWp;
				}

				NPCInfo->investigateDebounceTime = 0;
				//Start moving toward our tempGoal
				NPCInfo->goalEntity = NPCInfo->tempGoal;
				NPC_MoveToGoal( qtrue );
			}
		}
	}

	NPC_UpdateAngles( qtrue, qtrue );
}