diff options
Diffstat (limited to 'mp/src/game/server/npc_vehicledriver.cpp')
| -rw-r--r-- | mp/src/game/server/npc_vehicledriver.cpp | 1190 |
1 files changed, 1190 insertions, 0 deletions
diff --git a/mp/src/game/server/npc_vehicledriver.cpp b/mp/src/game/server/npc_vehicledriver.cpp new file mode 100644 index 00000000..b021128d --- /dev/null +++ b/mp/src/game/server/npc_vehicledriver.cpp @@ -0,0 +1,1190 @@ +//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "ai_network.h"
+#include "ai_default.h"
+#include "ai_schedule.h"
+#include "ai_hull.h"
+#include "ai_node.h"
+#include "ai_task.h"
+#include "ai_senses.h"
+#include "ai_navigator.h"
+#include "ai_route.h"
+#include "entitylist.h"
+#include "soundenvelope.h"
+#include "gamerules.h"
+#include "ndebugoverlay.h"
+#include "soundflags.h"
+#include "trains.h"
+#include "globalstate.h"
+#include "vehicle_base.h"
+#include "npc_vehicledriver.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define DRIVER_DEBUG_PATH 1
+#define DRIVER_DEBUG_PATH_SPLINE 2
+
+//------------------------------------
+//
+//------------------------------------
+ConVar g_debug_vehicledriver( "g_debug_vehicledriver", "0", FCVAR_CHEAT );
+
+BEGIN_DATADESC( CNPC_VehicleDriver )
+ DEFINE_KEYFIELD( m_iszVehicleName, FIELD_STRING, "vehicle" ),
+// DEFINE_FIELD( m_hVehicle, FIELD_EHANDLE ),
+ // DEFINE_FIELD( m_pVehicleInterface, FIELD_POINTER ),
+ DEFINE_FIELD( m_hVehicleEntity, FIELD_EHANDLE ),
+ // DEFINE_FIELD( m_Waypoints, FIELD_???? ),
+ // DEFINE_FIELD( m_pCurrentWaypoint, FIELD_POINTER ),
+ // DEFINE_FIELD( m_pNextWaypoint, FIELD_POINTER ),
+ DEFINE_FIELD( m_vecDesiredVelocity, FIELD_VECTOR ),
+ DEFINE_FIELD( m_vecDesiredPosition, FIELD_POSITION_VECTOR ),
+ DEFINE_FIELD( m_vecPrevPoint, FIELD_POSITION_VECTOR ),
+ DEFINE_FIELD( m_vecPrevPrevPoint, FIELD_POSITION_VECTOR ),
+ DEFINE_FIELD( m_vecPostPoint, FIELD_POSITION_VECTOR ),
+ DEFINE_FIELD( m_vecPostPostPoint, FIELD_POSITION_VECTOR ),
+ DEFINE_FIELD( m_flDistanceAlongSpline, FIELD_FLOAT ),
+ DEFINE_KEYFIELD( m_flDriversMaxSpeed, FIELD_FLOAT, "drivermaxspeed" ),
+ DEFINE_KEYFIELD( m_flDriversMinSpeed, FIELD_FLOAT, "driverminspeed" ),
+ DEFINE_FIELD( m_flMaxSpeed, FIELD_FLOAT ),
+ DEFINE_FIELD( m_flGoalSpeed, FIELD_FLOAT ),
+ //DEFINE_KEYFIELD( m_flInitialSpeed, FIELD_FLOAT ),
+ DEFINE_FIELD( m_flSteering, FIELD_FLOAT ),
+
+ // Inputs
+ DEFINE_INPUTFUNC( FIELD_FLOAT, "SetDriversMaxSpeed", InputSetDriversMaxSpeed ),
+ DEFINE_INPUTFUNC( FIELD_FLOAT, "SetDriversMinSpeed", InputSetDriversMinSpeed ),
+
+ DEFINE_INPUTFUNC( FIELD_VOID, "StartForward", InputStartForward ),
+ DEFINE_INPUTFUNC( FIELD_VOID, "Stop", InputStop ),
+ DEFINE_INPUTFUNC( FIELD_VOID, "StartFiring", InputStartFiring ),
+ DEFINE_INPUTFUNC( FIELD_VOID, "StopFiring", InputStopFiring ),
+ DEFINE_INPUTFUNC( FIELD_STRING, "GotoPathCorner", InputGotoPathCorner ),
+
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( npc_vehicledriver, CNPC_VehicleDriver );
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CNPC_VehicleDriver::CNPC_VehicleDriver( void )
+{
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CNPC_VehicleDriver::~CNPC_VehicleDriver( void )
+{
+ ClearWaypoints();
+}
+
+//------------------------------------------------------------------------------
+// Purpose :
+//------------------------------------------------------------------------------
+void CNPC_VehicleDriver::Spawn( void )
+{
+ Precache( );
+
+ BaseClass::Spawn();
+
+ CapabilitiesClear();
+ CapabilitiesAdd( bits_CAP_MOVE_GROUND );
+ CapabilitiesAdd( bits_CAP_MOVE_SHOOT );
+
+ SetModel( "models/roller_vehicledriver.mdl" );
+ SetHullType(HULL_LARGE);
+ SetHullSizeNormal();
+ m_iMaxHealth = m_iHealth = 1;
+ m_flFieldOfView = VIEW_FIELD_FULL;
+
+ SetSolid( SOLID_BBOX );
+ AddSolidFlags( FSOLID_NOT_SOLID );
+ SetMoveType( MOVETYPE_NONE );
+ AddEffects( EF_NODRAW );
+
+ m_lifeState = LIFE_ALIVE;
+ SetCycle( 0 );
+ ResetSequenceInfo();
+
+ AddFlag( FL_NPC );
+
+ m_flMaxSpeed = 0;
+ m_flGoalSpeed = m_flInitialSpeed;
+
+ m_vecDesiredVelocity = vec3_origin;
+ m_vecPrevPoint = vec3_origin;
+ m_vecPrevPrevPoint = vec3_origin;
+ m_vecPostPoint = vec3_origin;
+ m_vecPostPostPoint = vec3_origin;
+ m_vecDesiredPosition = vec3_origin;
+ m_flSteering = 45;
+ m_flDistanceAlongSpline = 0.2;
+ m_pCurrentWaypoint = m_pNextWaypoint = NULL;
+
+ GetNavigator()->SetPathcornerPathfinding( false );
+
+ NPCInit();
+
+ m_takedamage = DAMAGE_NO;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::Precache( void )
+{
+ PrecacheModel( "models/roller_vehicledriver.mdl" );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::Activate( void )
+{
+ BaseClass::Activate();
+
+ // Restore doesn't need to do this
+ if ( m_hVehicleEntity )
+ return;
+
+ // Make sure we've got a vehicle
+ if ( m_iszVehicleName == NULL_STRING )
+ {
+ Warning( "npc_vehicledriver %s has no vehicle to drive.\n", STRING(GetEntityName()) );
+ UTIL_Remove( this );
+ return;
+ }
+
+ m_hVehicleEntity = (gEntList.FindEntityByName( NULL, STRING(m_iszVehicleName) ));
+ if ( !m_hVehicleEntity )
+ {
+ Warning( "npc_vehicledriver %s couldn't find his vehicle named %s.\n", STRING(GetEntityName()), STRING(m_iszVehicleName) );
+ UTIL_Remove( this );
+ return;
+ }
+
+ m_pVehicleInterface = m_hVehicleEntity->GetServerVehicle();
+ Assert( m_pVehicleInterface );
+ if ( !m_pVehicleInterface->NPC_CanDrive() )
+ {
+ Warning( "npc_vehicledriver %s doesn't know how to drive vehicle %s.\n", STRING(GetEntityName()), STRING(m_hVehicleEntity->GetEntityName()) );
+ UTIL_Remove( this );
+ return;
+ }
+
+ // We've found our vehicle. Move to it and start following it.
+ SetAbsOrigin( m_hVehicleEntity->WorldSpaceCenter() );
+ m_pVehicleInterface->NPC_SetDriver( this );
+
+ RecalculateSpeeds();
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::OnRestore( void )
+{
+ BaseClass::OnRestore();
+ if ( m_hVehicleEntity )
+ {
+ m_pVehicleInterface = m_hVehicleEntity->GetServerVehicle();
+ Assert( m_pVehicleInterface );
+ }
+}
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::UpdateOnRemove( void )
+{
+ // Leave our vehicle
+ if ( m_pVehicleInterface )
+ {
+ m_pVehicleInterface->NPC_SetDriver( NULL );
+ }
+
+ BaseClass::UpdateOnRemove();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::PrescheduleThink( void )
+{
+ if ( !m_hVehicleEntity )
+ {
+ m_pVehicleInterface = NULL;
+ UTIL_Remove( this );
+ return;
+ }
+
+ // Keep up with my vehicle
+ SetAbsOrigin( m_hVehicleEntity->WorldSpaceCenter() );
+ SetAbsAngles( m_hVehicleEntity->GetAbsAngles() );
+
+ BaseClass::PrescheduleThink();
+
+ if ( m_NPCState == NPC_STATE_IDLE )
+ {
+ m_pVehicleInterface->NPC_Brake();
+ return;
+ }
+
+ // If we've been picked up by something (dropship probably), abort.
+ if ( m_hVehicleEntity->GetParent() )
+ {
+ SetState( NPC_STATE_IDLE );
+ ClearWaypoints();
+ SetGoalEnt( NULL );
+ return;
+ }
+
+ DriveVehicle();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+int CNPC_VehicleDriver::SelectSchedule( void )
+{
+ // Vehicle driver hangs in the air inside the vehicle, so we never need to fall to ground
+ ClearCondition( COND_FLOATING_OFF_GROUND );
+
+ if ( HasSpawnFlags(SF_VEHICLEDRIVER_INACTIVE) )
+ {
+ SetState( NPC_STATE_IDLE );
+ return SCHED_VEHICLEDRIVER_INACTIVE;
+ }
+
+ if ( GetGoalEnt() )
+ return SCHED_VEHICLEDRIVER_DRIVE_PATH;
+
+ switch ( m_NPCState )
+ {
+ case NPC_STATE_IDLE:
+ break;
+
+ case NPC_STATE_ALERT:
+ break;
+
+ case NPC_STATE_COMBAT:
+ {
+ if ( HasCondition(COND_NEW_ENEMY) || HasCondition( COND_ENEMY_DEAD ) )
+ return BaseClass::SelectSchedule();
+
+ if ( HasCondition(COND_SEE_ENEMY) )
+ {
+ // we can see the enemy
+ if ( HasCondition(COND_CAN_RANGE_ATTACK2) )
+ return SCHED_RANGE_ATTACK2;
+ if ( HasCondition(COND_CAN_RANGE_ATTACK1) )
+ return SCHED_RANGE_ATTACK1;
+
+ // What to do here? Not necessarily easy to face enemy.
+ //if ( HasCondition(COND_NOT_FACING_ATTACK) )
+ //return SCHED_COMBAT_FACE;
+ }
+
+ // We can see him, but can't shoot him. Just wait and hope he comes closer.
+ return SCHED_VEHICLEDRIVER_COMBAT_WAIT;
+ }
+ break;
+ }
+
+ return BaseClass::SelectSchedule();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+int CNPC_VehicleDriver::RangeAttack1Conditions( float flDot, float flDist )
+{
+ // Vehicle not ready to fire again yet?
+ if ( m_pVehicleInterface->Weapon_PrimaryCanFireAt() > gpGlobals->curtime )
+ return 0;
+
+ // Check weapon range
+ float flMinRange, flMaxRange;
+ m_pVehicleInterface->Weapon_PrimaryRanges( &flMinRange, &flMaxRange );
+ if ( flDist < flMinRange )
+ return COND_TOO_CLOSE_TO_ATTACK;
+ if ( flDist > flMaxRange )
+ return COND_TOO_FAR_TO_ATTACK;
+
+ // Don't shoot backwards
+ Vector vecForward;
+ Vector vecToTarget = (GetEnemy()->GetAbsOrigin() - GetAbsOrigin());
+ VectorNormalize(vecToTarget);
+ m_hVehicleEntity->GetVectors( &vecForward, NULL, NULL );
+ float flForwardDot = DotProduct( vecForward, vecToTarget );
+ if ( flForwardDot < 0 && fabs(flDot) < 0.5 )
+ return COND_NOT_FACING_ATTACK;
+
+ return COND_CAN_RANGE_ATTACK1;
+}
+
+//=========================================================
+// RangeAttack2Conditions
+//=========================================================
+int CNPC_VehicleDriver::RangeAttack2Conditions( float flDot, float flDist )
+{
+ // Vehicle not ready to fire again yet?
+ if ( m_pVehicleInterface->Weapon_SecondaryCanFireAt() > gpGlobals->curtime )
+ return 0;
+
+ // Check weapon range
+ float flMinRange, flMaxRange;
+ m_pVehicleInterface->Weapon_SecondaryRanges( &flMinRange, &flMaxRange );
+ if ( flDist < flMinRange )
+ return COND_TOO_CLOSE_TO_ATTACK;
+ if ( flDist > flMaxRange )
+ return COND_TOO_FAR_TO_ATTACK;
+
+ return COND_CAN_RANGE_ATTACK2;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+int CNPC_VehicleDriver::TranslateSchedule( int scheduleType )
+{
+ switch ( scheduleType )
+ {
+ case SCHED_COMBAT_FACE:
+ {
+ // Vehicles can't rotate, so don't try and face
+ return TranslateSchedule( SCHED_CHASE_ENEMY );
+ }
+ break;
+
+ case SCHED_ALERT_FACE:
+ {
+ // Vehicles can't rotate, so don't try and face
+ return SCHED_ALERT_STAND;
+ }
+ break;
+
+ case SCHED_CHASE_ENEMY_FAILED:
+ case SCHED_FAIL:
+ {
+ return SCHED_FAIL;
+ }
+ break;
+ }
+
+ return BaseClass::TranslateSchedule(scheduleType);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+// Input : *pTask -
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::StartTask( const Task_t *pTask )
+{
+ switch( pTask->iTask )
+ {
+ case TASK_RUN_PATH:
+ case TASK_WALK_PATH:
+ TaskComplete();
+ break;
+
+ case TASK_FACE_IDEAL:
+ case TASK_FACE_ENEMY:
+ {
+ // Vehicle ignores face commands, since it can't rotate on the spot.
+ TaskComplete();
+ }
+ break;
+
+ case TASK_VEHICLEDRIVER_GET_PATH:
+ {
+ if ( !GetGoalEnt() )
+ {
+ TaskFail( FAIL_NO_TARGET );
+ return;
+ }
+
+ CheckForTeleport();
+
+ if ( g_debug_vehicledriver.GetInt() & DRIVER_DEBUG_PATH )
+ {
+ NDebugOverlay::Box( GetGoalEnt()->GetAbsOrigin(), -Vector(50,50,50), Vector(50,50,50), 255,255,255, true, 5);
+ }
+
+ AI_NavGoal_t goal( GOALTYPE_PATHCORNER, GetGoalEnt()->GetLocalOrigin(), ACT_WALK, AIN_DEF_TOLERANCE, AIN_YAW_TO_DEST);
+ if ( !GetNavigator()->SetGoal( goal ) )
+ {
+ TaskFail( FAIL_NO_ROUTE );
+ return;
+ }
+
+ TaskComplete();
+ }
+ break;
+
+ case TASK_WAIT_FOR_MOVEMENT:
+ {
+ if (GetNavigator()->GetGoalType() == GOALTYPE_NONE)
+ {
+ TaskComplete();
+ GetNavigator()->StopMoving(); // Stop moving
+ }
+ else if (!GetNavigator()->IsGoalActive())
+ {
+ SetIdealActivity( GetStoppedActivity() );
+ }
+ else
+ {
+ // Check validity of goal type
+ ValidateNavGoal();
+ }
+ }
+ break;
+
+ default:
+ BaseClass::StartTask( pTask );
+ break;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::RunTask( const Task_t *pTask )
+{
+ switch( pTask->iTask )
+ {
+ case TASK_RANGE_ATTACK1:
+ {
+ // Vehicle driver has no animations, so fire a burst at the target
+ CBaseEntity *pEnemy = GetEnemy();
+ if ( pEnemy )
+ {
+ // TODO: Get a bodytarget from the firing point of the gun in the vehicle
+ Vector vecTarget = GetEnemy()->BodyTarget( GetAbsOrigin(), false );
+ m_pVehicleInterface->NPC_AimPrimaryWeapon( vecTarget );
+ m_pVehicleInterface->NPC_PrimaryFire();
+ TaskComplete();
+ }
+ else
+ {
+ TaskFail(FAIL_NO_ENEMY);
+ return;
+ }
+ }
+ break;
+
+ case TASK_RANGE_ATTACK2:
+ {
+ // Vehicle driver has no animations, so fire a burst at the target
+ CBaseEntity *pEnemy = GetEnemy();
+ if ( pEnemy )
+ {
+ // TODO: Get a bodytarget from the firing point of the gun in the vehicle
+ Vector vecTarget = GetEnemy()->BodyTarget( GetAbsOrigin(), false );
+ m_pVehicleInterface->NPC_AimSecondaryWeapon( vecTarget );
+ m_pVehicleInterface->NPC_SecondaryFire();
+ TaskComplete();
+ }
+ else
+ {
+ TaskFail(FAIL_NO_ENEMY);
+ return;
+ }
+ }
+ break;
+
+ case TASK_WAIT_FOR_MOVEMENT:
+ {
+ BaseClass::RunTask( pTask );
+
+ if ( HasCondition(COND_SEE_ENEMY) )
+ {
+ // we can see the enemy
+ if ( HasCondition(COND_CAN_RANGE_ATTACK2) )
+ {
+ ChainRunTask( TASK_RANGE_ATTACK2, pTask->flTaskData );
+ }
+ if ( HasCondition(COND_CAN_RANGE_ATTACK1) )
+ {
+ ChainRunTask( TASK_RANGE_ATTACK1, pTask->flTaskData );
+ }
+ }
+ }
+ break;
+
+ default:
+ BaseClass::RunTask( pTask );
+ break;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::GatherEnemyConditions( CBaseEntity *pEnemy )
+{
+ BaseClass::GatherEnemyConditions(pEnemy);
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Overridden because if the player is a criminal, we hate them.
+//-----------------------------------------------------------------------------
+Disposition_t CNPC_VehicleDriver::IRelationType(CBaseEntity *pTarget)
+{
+ // If it's the player and they are a criminal, we hate them.
+ if ( pTarget && pTarget->Classify() == CLASS_PLAYER)
+ {
+ if (GlobalEntity_GetState("gordon_precriminal") == GLOBAL_ON)
+ {
+ return(D_NU);
+ }
+ }
+
+ return(BaseClass::IRelationType(pTarget));
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+bool CNPC_VehicleDriver::OverrideMove( float flInterval )
+{
+ if ( !m_hVehicleEntity )
+ return true;
+
+ // If we don't have a maxspeed, we've been stopped, so abort early
+ // Or we've been picked up by something (dropship probably).
+ if ( !m_flMaxSpeed || m_hVehicleEntity->GetParent() )
+ {
+ m_pVehicleInterface->NPC_Brake();
+ return true;
+ }
+
+ // -----------------------------------------------------------------
+ // If I have a route, keep it updated and move toward target
+ // ------------------------------------------------------------------
+ if (GetNavigator()->IsGoalActive())
+ {
+ if ( OverridePathMove( flInterval ) )
+ return true;
+ }
+
+ return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::CalculatePostPoints( void )
+{
+ m_vecPostPoint = m_vecDesiredPosition;
+ m_vecPostPostPoint = m_vecDesiredPosition;
+
+ // If we have a waypoint beyond our current, use it instead.
+ if ( !GetNavigator()->CurWaypointIsGoal() )
+ {
+ AI_Waypoint_t *pCurWaypoint = GetNavigator()->GetPath()->GetCurWaypoint();
+ m_vecPostPoint = pCurWaypoint->GetNext()->GetPos();
+ if ( pCurWaypoint->GetNext()->GetNext() )
+ {
+ m_vecPostPostPoint = pCurWaypoint->GetNext()->GetNext()->GetPos();
+ }
+ else
+ {
+ m_vecPostPostPoint = m_vecPostPoint;
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Destroy our current waypoints
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::ClearWaypoints( void )
+{
+ m_vecDesiredPosition = vec3_origin;
+ if ( m_pCurrentWaypoint )
+ {
+ delete m_pCurrentWaypoint;
+ m_pCurrentWaypoint = NULL;
+ }
+ if ( m_pNextWaypoint )
+ {
+ delete m_pNextWaypoint;
+ m_pNextWaypoint = NULL;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: We've hit a waypoint. Handle it, and return true if this is the
+// end of the path.
+//-----------------------------------------------------------------------------
+bool CNPC_VehicleDriver::WaypointReached( void )
+{
+ // We reached our current waypoint.
+ m_vecPrevPrevPoint = m_vecPrevPoint;
+ m_vecPrevPoint = GetAbsOrigin();
+
+ // If we've got to our goal, we're done here.
+ if ( GetNavigator()->CurWaypointIsGoal() )
+ {
+ // Necessary for InPass outputs to be fired, is a no-op otherwise
+ GetNavigator()->AdvancePath();
+
+ // Stop pathing
+ ClearWaypoints();
+ TaskComplete();
+ SetGoalEnt( NULL );
+ return true;
+ }
+
+ AI_Waypoint_t *pCurWaypoint = GetNavigator()->GetPath()->GetCurWaypoint();
+ if ( !pCurWaypoint )
+ return false;
+
+ // Check to see if the waypoint wants us to change speed
+ if ( pCurWaypoint->Flags() & bits_WP_TO_PATHCORNER )
+ {
+ CBaseEntity *pEntity = pCurWaypoint->hPathCorner;
+ if ( pEntity )
+ {
+ if ( pEntity->m_flSpeed > 0 )
+ {
+ if ( pEntity->m_flSpeed <= 1.0 )
+ {
+ m_flDriversMaxSpeed = pEntity->m_flSpeed;
+ RecalculateSpeeds();
+ }
+ else
+ {
+ Warning("path_track %s tried to tell the npc_vehicledriver to set speed to %.3f. npc_vehicledriver only accepts values between 0 and 1.\n", STRING(pEntity->GetEntityName()), pEntity->m_flSpeed );
+ }
+ }
+ }
+ }
+
+ // Get the waypoints for the next part of the path
+ GetNavigator()->AdvancePath();
+ if ( !GetNavigator()->GetPath()->GetCurWaypoint() )
+ {
+ ClearWaypoints();
+ TaskComplete();
+ SetGoalEnt( NULL );
+ return true;
+ }
+
+ m_vecDesiredPosition = GetNavigator()->GetCurWaypointPos();
+ CalculatePostPoints();
+
+ // Move to the next waypoint
+ delete m_pCurrentWaypoint;
+ m_pCurrentWaypoint = m_pNextWaypoint;
+ m_Waypoints[1] = new CVehicleWaypoint( m_vecPrevPoint, m_vecDesiredPosition, m_vecPostPoint, m_vecPostPostPoint );
+ m_pNextWaypoint = m_Waypoints[1];
+
+ // Drop the spline marker back
+ m_flDistanceAlongSpline = MAX( 0, m_flDistanceAlongSpline - 1.0 );
+
+ CheckForTeleport();
+
+ return false;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+bool CNPC_VehicleDriver::OverridePathMove( float flInterval )
+{
+ // Setup our initial path data if we've just started running a path
+ if ( !m_pCurrentWaypoint )
+ {
+ m_vecPrevPoint = GetAbsOrigin();
+ m_vecPrevPrevPoint = GetAbsOrigin();
+ m_vecDesiredPosition = GetNavigator()->GetCurWaypointPos();
+ CalculatePostPoints();
+
+ // Init our two waypoints
+ m_Waypoints[0] = new CVehicleWaypoint( m_vecPrevPrevPoint, m_vecPrevPoint, m_vecDesiredPosition, m_vecPostPoint );
+ m_Waypoints[1] = new CVehicleWaypoint( m_vecPrevPoint, m_vecDesiredPosition, m_vecPostPoint, m_vecPostPostPoint );
+ m_pCurrentWaypoint = m_Waypoints[0];
+ m_pNextWaypoint = m_Waypoints[1];
+
+ m_flDistanceAlongSpline = 0.2;
+ }
+
+ // Have we reached our target? See if we've passed the current waypoint's plane.
+ Vector vecAbsMins, vecAbsMaxs;
+ CollisionProp()->WorldSpaceAABB( &vecAbsMins, &vecAbsMaxs );
+ if ( BoxOnPlaneSide( vecAbsMins, vecAbsMaxs, &m_pCurrentWaypoint->planeWaypoint ) == 3 )
+ {
+ if ( WaypointReached() )
+ return true;
+ }
+
+ // Did we bypass it and reach the next one already?
+ if ( m_pNextWaypoint && BoxOnPlaneSide( vecAbsMins, vecAbsMaxs, &m_pNextWaypoint->planeWaypoint ) == 3 )
+ {
+ if ( WaypointReached() )
+ return true;
+ }
+
+ // We may have just teleported, so check to make sure we have a waypoint
+ if ( !m_pCurrentWaypoint || !m_pNextWaypoint )
+ return false;
+
+ // Figure out which spline we're trucking along
+ CVehicleWaypoint *pCurrentSplineBeingTraversed = m_pCurrentWaypoint;
+ if ( m_flDistanceAlongSpline > 1 )
+ {
+ pCurrentSplineBeingTraversed = m_pNextWaypoint;
+ }
+
+ // Get our current speed, and check it against the length of the spline to know how far to advance our marker
+ AngularImpulse angVel;
+ Vector vecVelocity;
+ IPhysicsObject *pVehiclePhysics = m_hVehicleEntity->VPhysicsGetObject();
+
+ if( !pVehiclePhysics )
+ {
+ // I think my vehicle has been destroyed.
+ return false;
+ }
+
+ pVehiclePhysics->GetVelocity( &vecVelocity, &angVel );
+ float flSpeed = vecVelocity.Length();
+ float flIncTime = gpGlobals->curtime - GetLastThink();
+ float flIncrement = flIncTime * (flSpeed / pCurrentSplineBeingTraversed->GetLength());
+
+ // Now advance our point along the spline
+ m_flDistanceAlongSpline = clamp( m_flDistanceAlongSpline + flIncrement, 0.f, 2.f);
+ if ( m_flDistanceAlongSpline > 1 )
+ {
+ // We crossed the spline boundary
+ pCurrentSplineBeingTraversed = m_pNextWaypoint;
+ }
+
+ Vector vSplinePoint = pCurrentSplineBeingTraversed->GetPointAt( m_flDistanceAlongSpline > 1 ? m_flDistanceAlongSpline-1 : m_flDistanceAlongSpline );
+ Vector vSplineTangent = pCurrentSplineBeingTraversed->GetTangentAt( m_flDistanceAlongSpline > 1 ? m_flDistanceAlongSpline-1 : m_flDistanceAlongSpline );
+
+ // Now that we've got the target spline point & tangent, use it to decide what our desired velocity is.
+ // If we're close to the tangent, just use the tangent. Otherwise, Lerp towards it.
+ Vector vecToDesired = (vSplinePoint - GetAbsOrigin());
+ float flDistToDesired = VectorNormalize( vecToDesired );
+ float flTangentLength = VectorNormalize( vSplineTangent );
+
+ if ( flDistToDesired > (flTangentLength * 0.75) )
+ {
+ m_vecDesiredVelocity = vecToDesired * flTangentLength;
+ }
+ else
+ {
+ VectorLerp( vSplineTangent, vecToDesired * flTangentLength, (flDistToDesired / (flTangentLength * 0.5)), m_vecDesiredVelocity );
+ }
+
+ // Decrease speed according to the turn we're trying to make
+ Vector vecRight;
+ m_hVehicleEntity->GetVectors( NULL, &vecRight, NULL );
+ Vector vecNormVel = m_vecDesiredVelocity;
+ VectorNormalize( vecNormVel );
+ float flDotRight = DotProduct( vecRight, vecNormVel );
+ flSpeed = (1.0 - fabs(flDotRight));
+ // Don't go slower than we've been told to go
+ if ( flSpeed < m_flDriversMinSpeed )
+ {
+ flSpeed = m_flDriversMinSpeed;
+ }
+ m_vecDesiredVelocity = vecNormVel * (flSpeed * m_flMaxSpeed);
+
+ // Bunch o'debug
+ if ( g_debug_vehicledriver.GetInt() & DRIVER_DEBUG_PATH )
+ {
+ NDebugOverlay::Box( m_vecPrevPrevPoint, -Vector(15,15,15), Vector(15,15,15), 192,0,0, true, 0.1);
+ NDebugOverlay::Box( m_vecPrevPoint, -Vector(20,20,20), Vector(20,20,20), 255,0,0, true, 0.1);
+ NDebugOverlay::Box( m_vecPostPoint, -Vector(20,20,20), Vector(20,20,20), 0,192,0, true, 0.1);
+ NDebugOverlay::Box( m_vecPostPostPoint, -Vector(20,20,20), Vector(20,20,20), 0,128,0, true, 0.1);
+ NDebugOverlay::Box( vSplinePoint, -Vector(10,10,10), Vector(10,10,10), 0,0,255, true, 0.1);
+ NDebugOverlay::Line( vSplinePoint, vSplinePoint + (vSplineTangent * 40), 0,0,255, true, 0.1);
+
+ //NDebugOverlay::HorzArrow( pCurrentSplineBeingTraversed->splinePoints[0], pCurrentSplineBeingTraversed->splinePoints[1], 30, 255,255,255,0, false, 0.1f );
+ //NDebugOverlay::HorzArrow( pCurrentSplineBeingTraversed->splinePoints[1], pCurrentSplineBeingTraversed->splinePoints[2], 20, 255,255,255,0, false, 0.1f );
+ //NDebugOverlay::HorzArrow( pCurrentSplineBeingTraversed->splinePoints[2], pCurrentSplineBeingTraversed->splinePoints[3], 10, 255,255,255,0, false, 0.1f );
+
+ // Draw the plane we're checking against for waypoint passing
+ Vector vecPlaneRight;
+ CrossProduct( m_pCurrentWaypoint->planeWaypoint.normal, Vector(0,0,1), vecPlaneRight );
+ Vector vecPlane = m_pCurrentWaypoint->splinePoints[2];
+ NDebugOverlay::Line( vecPlane + (vecPlaneRight * -100), vecPlane + (vecPlaneRight * 100), 255,0,0, true, 0.1);
+
+ // Draw the next plane too
+ CrossProduct( m_pNextWaypoint->planeWaypoint.normal, Vector(0,0,1), vecPlaneRight );
+ vecPlane = m_pNextWaypoint->splinePoints[2];
+ NDebugOverlay::Line( vecPlane + (vecPlaneRight * -100), vecPlane + (vecPlaneRight * 100), 192,0,0, true, 0.1);
+ }
+
+ if ( g_debug_vehicledriver.GetInt() & DRIVER_DEBUG_PATH_SPLINE )
+ {
+ for ( int i = 0; i < 10; i++ )
+ {
+ Vector vecTarget = m_pCurrentWaypoint->GetPointAt( 0.1 * i );
+ Vector vecTangent = m_pCurrentWaypoint->GetTangentAt( 0.1 * i );
+ VectorNormalize(vecTangent);
+ NDebugOverlay::Box( vecTarget, -Vector(10,10,10), Vector(10,10,10), 255,0,0, true, 0.1 );
+ NDebugOverlay::Line( vecTarget, vecTarget + (vecTangent * 10), 255,255,0, true, 0.1);
+ }
+ }
+
+ return true;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: This takes the current place the NPC's trying to get to, figures out
+// what keys to press to get the vehicle to go there, and then sends
+// them to the vehicle.
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::DriveVehicle( void )
+{
+ AngularImpulse angVel;
+ Vector vecVelocity;
+ IPhysicsObject *pVehiclePhysics = m_hVehicleEntity->VPhysicsGetObject();
+ if ( !pVehiclePhysics )
+ return;
+ pVehiclePhysics->GetVelocity( &vecVelocity, &angVel );
+ float flSpeed = VectorNormalize( vecVelocity );
+
+ // If we have no target position to drive to, brake to a halt
+ if ( !m_flMaxSpeed || m_vecDesiredPosition == vec3_origin )
+ {
+ if ( flSpeed > 1 )
+ {
+ m_pVehicleInterface->NPC_Brake();
+ }
+ return;
+ }
+
+ if ( g_debug_vehicledriver.GetInt() & DRIVER_DEBUG_PATH )
+ {
+ NDebugOverlay::Box(m_vecDesiredPosition, -Vector(20,20,20), Vector(20,20,20), 0,255,0, true, 0.1);
+ NDebugOverlay::Line(GetAbsOrigin(), GetAbsOrigin() + m_vecDesiredVelocity, 0,255,0, true, 0.1);
+ }
+
+ m_flGoalSpeed = VectorNormalize(m_vecDesiredVelocity);
+
+ // Is our target in front or behind us?
+ Vector vecForward, vecRight;
+ m_hVehicleEntity->GetVectors( &vecForward, &vecRight, NULL );
+ float flDot = DotProduct( vecForward, m_vecDesiredVelocity );
+ bool bBehind = ( flDot < 0 );
+ float flVelDot = DotProduct( vecVelocity, m_vecDesiredVelocity );
+ bool bGoingWrongWay = ( flVelDot < 0 );
+
+ // Figure out whether we should accelerate / decelerate
+ if ( bGoingWrongWay || (flSpeed < m_flGoalSpeed) )
+ {
+ // If it's behind us, go backwards not forwards
+ if ( bBehind )
+ {
+ m_pVehicleInterface->NPC_ThrottleReverse();
+ }
+ else
+ {
+ m_pVehicleInterface->NPC_ThrottleForward();
+ }
+ }
+ else
+ {
+ // Brake if we're go significantly too fast
+ if ( (flSpeed - 200) > m_flGoalSpeed )
+ {
+ m_pVehicleInterface->NPC_Brake();
+ }
+ else
+ {
+ m_pVehicleInterface->NPC_ThrottleCenter();
+ }
+ }
+
+ // Do we need to turn?
+ float flDotRight = DotProduct( vecRight, m_vecDesiredVelocity );
+ if ( bBehind )
+ {
+ // If we're driving backwards, flip our turning
+ flDotRight *= -1;
+ }
+ // Map it to the vehicle's steering
+ flDotRight *= (m_flSteering / 90);
+
+ if ( flDotRight < 0 )
+ {
+ // Turn left
+ m_pVehicleInterface->NPC_TurnLeft( -flDotRight );
+ }
+ else if ( flDotRight > 0 )
+ {
+ // Turn right
+ m_pVehicleInterface->NPC_TurnRight( flDotRight );
+ }
+ else
+ {
+ m_pVehicleInterface->NPC_TurnCenter();
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Check to see if we should teleport to the current path corner
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::CheckForTeleport( void )
+{
+ if ( !GetGoalEnt() )
+ return;
+
+ CPathTrack *pTrack = dynamic_cast<CPathTrack *>( GetGoalEnt() );
+ if ( !pTrack )
+ return;
+
+ // Does it have the teleport flag set?
+ if ( pTrack->HasSpawnFlags( SF_PATH_TELEPORT ) )
+ {
+ IncrementInterpolationFrame();
+
+ // Teleport the vehicle to the pathcorner
+ Vector vecMins, vecMaxs;
+ vecMins = m_hVehicleEntity->CollisionProp()->OBBMins();
+ vecMaxs = m_hVehicleEntity->CollisionProp()->OBBMaxs();
+ Vector vecTarget = pTrack->GetAbsOrigin() - (vecMins + vecMaxs) * 0.5;
+ vecTarget.z += ((vecMaxs.z - vecMins.z) * 0.5) + 8; // Safety buffer
+
+ // Orient it to face the next point
+ QAngle vecAngles = pTrack->GetAbsAngles();
+ Vector vecToTarget = vec3_origin;
+ if ( pTrack->GetNext() )
+ {
+ vecToTarget = (pTrack->GetNext()->GetAbsOrigin() - pTrack->GetAbsOrigin());
+ VectorNormalize( vecToTarget );
+
+ // Vehicles are rotated 90 degrees
+ VectorAngles( vecToTarget, vecAngles );
+ vecAngles[YAW] -= 90;
+ }
+ m_hVehicleEntity->Teleport( &vecTarget, &vecAngles, &vec3_origin );
+
+ // Teleport the driver
+ SetAbsOrigin( m_hVehicleEntity->WorldSpaceCenter() );
+ SetAbsAngles( m_hVehicleEntity->GetAbsAngles() );
+
+ m_vecPrevPoint = pTrack->GetAbsOrigin();
+
+ // Move to the next waypoint, we've reached this one
+ if ( GetNavigator()->GetPath() )
+ {
+ WaypointReached();
+ }
+
+ // Clear our waypoints, because the next waypoint is certainly invalid now.
+ ClearWaypoints();
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+float CNPC_VehicleDriver::GetDefaultNavGoalTolerance()
+{
+ return 48;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::RecalculateSpeeds( void )
+{
+ // Get data from the vehicle
+ const vehicleparams_t *pParams = m_pVehicleInterface->GetVehicleParams();
+ if ( pParams )
+ {
+ m_flMaxSpeed = pParams->engine.maxSpeed * m_flDriversMaxSpeed;
+ m_flSteering = pParams->steering.degreesSlow;
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputSetDriversMaxSpeed( inputdata_t &inputdata )
+{
+ m_flDriversMaxSpeed = inputdata.value.Float();
+
+ RecalculateSpeeds();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputSetDriversMinSpeed( inputdata_t &inputdata )
+{
+ m_flDriversMinSpeed = inputdata.value.Float();
+
+ RecalculateSpeeds();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputStartForward( inputdata_t &inputdata )
+{
+ CLEARBITS( m_spawnflags, SF_VEHICLEDRIVER_INACTIVE );
+ if ( m_NPCState == NPC_STATE_IDLE )
+ {
+ SetState( NPC_STATE_ALERT );
+ }
+ SetCondition( COND_PROVOKED );
+
+ RecalculateSpeeds();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Tell the driver to stop moving
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputStop( inputdata_t &inputdata )
+{
+ m_flMaxSpeed = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Tell the driver to start firing at targets
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputStartFiring( inputdata_t &inputdata )
+{
+ CLEARBITS( m_spawnflags, SF_VEHICLEDRIVER_INACTIVE );
+ SetCondition( COND_PROVOKED );
+
+ float flMinRange, flMaxRange;
+ // If the vehicle has a weapon, set our capability
+ if ( m_pVehicleInterface->NPC_HasPrimaryWeapon() )
+ {
+ CapabilitiesAdd( bits_CAP_INNATE_RANGE_ATTACK1 );
+ m_pVehicleInterface->Weapon_PrimaryRanges( &flMinRange, &flMaxRange );
+
+ // Ensure the look distances is long enough
+ if ( m_flDistTooFar < flMaxRange || GetSenses()->GetDistLook() < flMaxRange )
+ {
+ m_flDistTooFar = flMaxRange;
+ SetDistLook( flMaxRange );
+ }
+ }
+
+ if ( m_pVehicleInterface->NPC_HasSecondaryWeapon() )
+ {
+ CapabilitiesAdd( bits_CAP_INNATE_RANGE_ATTACK2 );
+ m_pVehicleInterface->Weapon_SecondaryRanges( &flMinRange, &flMaxRange );
+
+ // Ensure the look distances is long enough
+ if ( m_flDistTooFar < flMaxRange || GetSenses()->GetDistLook() < flMaxRange )
+ {
+ m_flDistTooFar = flMaxRange;
+ SetDistLook( flMaxRange );
+ }
+ }
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Tell the driver to stop firing at targets
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputStopFiring( inputdata_t &inputdata )
+{
+ // If the vehicle has a weapon, set our capability
+ CapabilitiesRemove( bits_CAP_INNATE_RANGE_ATTACK1 );
+ CapabilitiesRemove( bits_CAP_INNATE_RANGE_ATTACK2 );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CNPC_VehicleDriver::InputGotoPathCorner( inputdata_t &inputdata )
+{
+ string_t iszPathName = inputdata.value.StringID();
+ if ( iszPathName != NULL_STRING )
+ {
+ CBaseEntity *pEntity = gEntList.FindEntityByName( NULL, iszPathName );
+ if ( !pEntity )
+ {
+ Warning("npc_vehicledriver %s couldn't find entity named %s\n", STRING(GetEntityName()), STRING(iszPathName) );
+ return;
+ }
+
+ ClearWaypoints();
+
+ // Drive to the point
+ SetGoalEnt( pEntity );
+ if ( m_NPCState == NPC_STATE_IDLE )
+ {
+ SetState( NPC_STATE_ALERT );
+ }
+ SetCondition( COND_PROVOKED );
+
+ // Force him to start forward
+ InputStartForward( inputdata );
+ }
+}
+
+//-----------------------------------------------------------------------------
+//
+// Schedules
+//
+//-----------------------------------------------------------------------------
+
+AI_BEGIN_CUSTOM_NPC( npc_vehicledriver, CNPC_VehicleDriver )
+
+ //Tasks
+ DECLARE_TASK( TASK_VEHICLEDRIVER_GET_PATH )
+
+ // Schedules
+ DEFINE_SCHEDULE
+ (
+ SCHED_VEHICLEDRIVER_INACTIVE,
+
+ " Tasks"
+ " TASK_WAIT_INDEFINITE 0"
+ ""
+ " Interrupts"
+ " COND_PROVOKED"
+ )
+
+ DEFINE_SCHEDULE
+ (
+ SCHED_VEHICLEDRIVER_COMBAT_WAIT,
+
+ " Tasks"
+ " TASK_WAIT 5"
+ ""
+ " Interrupts"
+ " COND_NEW_ENEMY"
+ " COND_LIGHT_DAMAGE"
+ " COND_HEAVY_DAMAGE"
+ " COND_PROVOKED"
+ " COND_CAN_RANGE_ATTACK1"
+ " COND_CAN_RANGE_ATTACK2"
+ )
+
+ DEFINE_SCHEDULE
+ (
+ SCHED_VEHICLEDRIVER_DRIVE_PATH,
+
+ " Tasks"
+ " TASK_VEHICLEDRIVER_GET_PATH 0"
+ " TASK_WALK_PATH 9999"
+ " TASK_WAIT_FOR_MOVEMENT 0"
+ " TASK_WAIT_PVS 0"
+ ""
+ " Interrupts"
+ " COND_NEW_ENEMY"
+ " COND_PROVOKED"
+ )
+
+AI_END_CUSTOM_NPC()
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