384 lines
9.9 KiB
C
384 lines
9.9 KiB
C
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
//=============================================================================//
|
||
|
|
|
||
|
|
#ifndef AI_BEHAVIOR_FOLLOW_H
|
||
|
|
#define AI_BEHAVIOR_FOLLOW_H
|
||
|
|
|
||
|
|
#include "simtimer.h"
|
||
|
|
#include "ai_behavior.h"
|
||
|
|
#include "ai_goalentity.h"
|
||
|
|
#include "ai_utils.h"
|
||
|
|
#include "ai_moveshoot.h"
|
||
|
|
|
||
|
|
#ifdef HL2_EPISODIC
|
||
|
|
#include "hl2_gamerules.h"
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined( _WIN32 )
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// NOTE: these must correspond with the AI_FollowFormation_t array in AI_Behavior_Follow.cpp!!
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
enum AI_Formations_t
|
||
|
|
{
|
||
|
|
AIF_SIMPLE,
|
||
|
|
AIF_WIDE,
|
||
|
|
AIF_ANTLION,
|
||
|
|
AIF_COMMANDER,
|
||
|
|
AIF_TIGHT,
|
||
|
|
AIF_MEDIUM,
|
||
|
|
AIF_SIDEKICK,
|
||
|
|
AIF_HUNTER,
|
||
|
|
AIF_VORTIGAUNT,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum AI_FollowFormationFlags_t
|
||
|
|
{
|
||
|
|
AIFF_DEFAULT = 0,
|
||
|
|
AIFF_USE_FOLLOW_POINTS = 0x01,
|
||
|
|
AIFF_REQUIRE_LOS_OUTSIDE_COMBAT = 0x02,
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// CAI_FollowGoal
|
||
|
|
//
|
||
|
|
// Purpose: A level tool to control the follow behavior. Use is not required
|
||
|
|
// in order to use behavior.
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
class CAI_FollowGoal : public CAI_GoalEntity
|
||
|
|
{
|
||
|
|
DECLARE_CLASS( CAI_FollowGoal, CAI_GoalEntity );
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
virtual void EnableGoal( CAI_BaseNPC *pAI );
|
||
|
|
virtual void DisableGoal( CAI_BaseNPC *pAI );
|
||
|
|
#ifdef HL2_EPISODIC
|
||
|
|
virtual void InputOutsideTransition( inputdata_t &inputdata );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int m_iFormation;
|
||
|
|
|
||
|
|
DECLARE_DATADESC();
|
||
|
|
};
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
int AIGetNumFollowers( CBaseEntity *pEntity, string_t iszClassname = NULL_STRING );
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
struct AI_FollowNavInfo_t
|
||
|
|
{
|
||
|
|
int flags;
|
||
|
|
Vector position;
|
||
|
|
float range;
|
||
|
|
float Zrange;
|
||
|
|
float tolerance;
|
||
|
|
float followPointTolerance;
|
||
|
|
float targetMoveTolerance;
|
||
|
|
float repathOnRouteTolerance;
|
||
|
|
float walkTolerance;
|
||
|
|
float coverTolerance;
|
||
|
|
float enemyLOSTolerance;
|
||
|
|
float chaseEnemyTolerance;
|
||
|
|
|
||
|
|
DECLARE_SIMPLE_DATADESC();
|
||
|
|
};
|
||
|
|
|
||
|
|
struct AI_FollowGroup_t;
|
||
|
|
|
||
|
|
struct AI_FollowManagerInfoHandle_t
|
||
|
|
{
|
||
|
|
AI_FollowGroup_t *m_pGroup;
|
||
|
|
int m_hFollower;
|
||
|
|
};
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
struct AI_FollowParams_t
|
||
|
|
{
|
||
|
|
AI_FollowParams_t( AI_Formations_t formation = AIF_SIMPLE, bool bNormalMemoryDiscard = false )
|
||
|
|
: formation(formation),
|
||
|
|
bNormalMemoryDiscard( bNormalMemoryDiscard )
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
AI_Formations_t formation;
|
||
|
|
bool bNormalMemoryDiscard;
|
||
|
|
|
||
|
|
DECLARE_SIMPLE_DATADESC();
|
||
|
|
};
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
class CAI_FollowBehavior : public CAI_SimpleBehavior
|
||
|
|
{
|
||
|
|
DECLARE_CLASS( CAI_FollowBehavior, CAI_SimpleBehavior );
|
||
|
|
public:
|
||
|
|
CAI_FollowBehavior( const AI_FollowParams_t ¶ms = AIF_SIMPLE );
|
||
|
|
~CAI_FollowBehavior();
|
||
|
|
|
||
|
|
virtual int DrawDebugTextOverlays( int text_offset );
|
||
|
|
virtual void DrawDebugGeometryOverlays();
|
||
|
|
|
||
|
|
// Returns true if the NPC is actively following a target.
|
||
|
|
bool IsActive( void );
|
||
|
|
|
||
|
|
void SetParameters( const AI_FollowParams_t ¶ms );
|
||
|
|
|
||
|
|
virtual const char *GetName() { return "Follow"; }
|
||
|
|
AI_Formations_t GetFormation() const { return m_params.formation; }
|
||
|
|
|
||
|
|
virtual bool CanSelectSchedule();
|
||
|
|
|
||
|
|
const AI_FollowNavInfo_t &GetFollowGoalInfo();
|
||
|
|
CBaseEntity * GetFollowTarget();
|
||
|
|
void SetFollowTarget( CBaseEntity *pLeader, bool fFinishCurSchedule = false );
|
||
|
|
|
||
|
|
CAI_FollowGoal *GetFollowGoal() { return m_hFollowGoalEnt; } // if any
|
||
|
|
bool SetFollowGoal( CAI_FollowGoal *pGoal, bool fFinishCurSchedule = false );
|
||
|
|
void ClearFollowGoal( CAI_FollowGoal *pGoal );
|
||
|
|
void SetFollowGoalDirect( CAI_FollowGoal *pGoal );
|
||
|
|
|
||
|
|
virtual bool FarFromFollowTarget() { return ( m_hFollowTarget && (GetAbsOrigin() - m_hFollowTarget->GetAbsOrigin()).LengthSqr() > (75*12)*(75*12) ); }
|
||
|
|
|
||
|
|
virtual bool TargetIsUnreachable() { return m_bTargetUnreachable; }
|
||
|
|
|
||
|
|
int GetNumFailedFollowAttempts() { return m_nFailedFollowAttempts; }
|
||
|
|
float GetTimeFailFollowStarted() { return m_flTimeFailFollowStarted; }
|
||
|
|
bool FollowTargetVisible() { return HasCondition( COND_FOLLOW_TARGET_VISIBLE ); };
|
||
|
|
|
||
|
|
bool IsMovingToFollowTarget();
|
||
|
|
|
||
|
|
float GetGoalRange();
|
||
|
|
float GetGoalZRange();
|
||
|
|
|
||
|
|
virtual Activity NPC_TranslateActivity( Activity activity );
|
||
|
|
virtual int TranslateSchedule( int scheduleType );
|
||
|
|
virtual void StartTask( const Task_t *pTask );
|
||
|
|
virtual int SelectFailSchedule( int failedSchedule, int failedTask, AI_TaskFailureCode_t taskFailCode );
|
||
|
|
virtual void TaskComplete( bool fIgnoreSetFailedCondition = false );
|
||
|
|
virtual void GatherConditions();
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
const Vector &GetGoalPosition();
|
||
|
|
|
||
|
|
virtual bool ShouldFollow();
|
||
|
|
|
||
|
|
friend class CAI_FollowManager;
|
||
|
|
|
||
|
|
virtual void BeginScheduleSelection();
|
||
|
|
virtual void EndScheduleSelection();
|
||
|
|
|
||
|
|
virtual void CleanupOnDeath( CBaseEntity *pCulprit, bool bFireDeathOutput );
|
||
|
|
|
||
|
|
virtual void Precache();
|
||
|
|
virtual int SelectSchedule();
|
||
|
|
virtual int FollowCallBaseSelectSchedule() { return BaseClass::SelectSchedule(); }
|
||
|
|
virtual void OnStartSchedule( int scheduleType );
|
||
|
|
virtual void RunTask( const Task_t *pTask );
|
||
|
|
void BuildScheduleTestBits();
|
||
|
|
|
||
|
|
bool IsCurScheduleFollowSchedule();
|
||
|
|
|
||
|
|
virtual bool IsCurTaskContinuousMove();
|
||
|
|
virtual void OnMovementFailed();
|
||
|
|
virtual void OnMovementComplete();
|
||
|
|
virtual bool FValidateHintType( CAI_Hint *pHint );
|
||
|
|
|
||
|
|
bool IsValidCover( const Vector &vLocation, CAI_Hint const *pHint );
|
||
|
|
bool IsValidShootPosition( const Vector &vLocation, CAI_Node *pNode, CAI_Hint const *pHint );
|
||
|
|
bool FindCoverFromEnemyAtFollowTarget( float coverRadius, Vector *pResult );
|
||
|
|
|
||
|
|
bool ShouldAlwaysThink();
|
||
|
|
|
||
|
|
bool ShouldMoveToFollowTarget();
|
||
|
|
|
||
|
|
int SelectScheduleManagePosition();
|
||
|
|
int SelectScheduleFollowPoints();
|
||
|
|
int SelectScheduleMoveToFormation();
|
||
|
|
|
||
|
|
void GetFollowTargetViewLoc( Vector *pResult);
|
||
|
|
bool ValidateFaceTarget( Vector *pFaceTarget );
|
||
|
|
|
||
|
|
//----------------------------
|
||
|
|
|
||
|
|
bool ShouldUseFollowPoints();
|
||
|
|
bool HasFollowPoint();
|
||
|
|
void SetFollowPoint( CAI_Hint *pHintNode );
|
||
|
|
void ClearFollowPoint();
|
||
|
|
const Vector & GetFollowPoint();
|
||
|
|
CAI_Hint * FindFollowPoint();
|
||
|
|
bool IsFollowPointInRange();
|
||
|
|
bool ShouldIgnoreFollowPointFacing();
|
||
|
|
|
||
|
|
//----------------------------
|
||
|
|
|
||
|
|
bool UpdateFollowPosition();
|
||
|
|
const int GetGoalFlags();
|
||
|
|
float GetGoalTolerance();
|
||
|
|
bool PlayerIsPushing();
|
||
|
|
|
||
|
|
bool IsFollowTargetInRange( float rangeMultiplier = 1.0 );
|
||
|
|
|
||
|
|
bool IsFollowGoalInRange( float tolerance, float zTolerance, int flags );
|
||
|
|
virtual bool IsChaseGoalInRange();
|
||
|
|
|
||
|
|
void NoteFailedFollow();
|
||
|
|
void NoteSuccessfulFollow();
|
||
|
|
|
||
|
|
//----------------------------
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
SCHED_FOLLOWER_MOVE_AWAY_FAIL = BaseClass::NEXT_SCHEDULE, // Turn back toward player
|
||
|
|
SCHED_FOLLOWER_MOVE_AWAY_END,
|
||
|
|
SCHED_FOLLOW,
|
||
|
|
SCHED_FOLLOWER_IDLE_STAND,
|
||
|
|
SCHED_MOVE_TO_FACE_FOLLOW_TARGET,
|
||
|
|
SCHED_FACE_FOLLOW_TARGET,
|
||
|
|
SCHED_FOLLOWER_GO_TO_WAIT_POINT,
|
||
|
|
SCHED_FOLLOWER_GO_TO_WAIT_POINT_FAIL,
|
||
|
|
SCHED_FOLLOWER_STAND_AT_WAIT_POINT,
|
||
|
|
SCHED_FOLLOWER_COMBAT_FACE,
|
||
|
|
NEXT_SCHEDULE,
|
||
|
|
|
||
|
|
TASK_CANT_FOLLOW = BaseClass::NEXT_TASK,
|
||
|
|
TASK_FACE_FOLLOW_TARGET,
|
||
|
|
TASK_MOVE_TO_FOLLOW_POSITION,
|
||
|
|
TASK_GET_PATH_TO_FOLLOW_POSITION,
|
||
|
|
TASK_SET_FOLLOW_TARGET_MARK,
|
||
|
|
TASK_FOLLOWER_FACE_TACTICAL,
|
||
|
|
TASK_SET_FOLLOW_DELAY,
|
||
|
|
TASK_GET_PATH_TO_FOLLOW_POINT,
|
||
|
|
TASK_ARRIVE_AT_FOLLOW_POINT,
|
||
|
|
TASK_SET_FOLLOW_POINT_STAND_SCHEDULE,
|
||
|
|
TASK_BEGIN_STAND_AT_WAIT_POINT,
|
||
|
|
NEXT_TASK,
|
||
|
|
|
||
|
|
COND_TARGET_MOVED_FROM_MARK = BaseClass::NEXT_CONDITION,
|
||
|
|
COND_FOUND_WAIT_POINT,
|
||
|
|
COND_FOLLOW_DELAY_EXPIRED,
|
||
|
|
COND_FOLLOW_TARGET_VISIBLE,
|
||
|
|
COND_FOLLOW_TARGET_NOT_VISIBLE,
|
||
|
|
COND_FOLLOW_WAIT_POINT_INVALID,
|
||
|
|
COND_FOLLOW_PLAYER_IS_LIT,
|
||
|
|
COND_FOLLOW_PLAYER_IS_NOT_LIT,
|
||
|
|
NEXT_CONDITION,
|
||
|
|
};
|
||
|
|
|
||
|
|
DEFINE_CUSTOM_SCHEDULE_PROVIDER;
|
||
|
|
|
||
|
|
protected:
|
||
|
|
|
||
|
|
//----------------------------
|
||
|
|
|
||
|
|
EHANDLE m_hFollowTarget;
|
||
|
|
AI_FollowNavInfo_t m_FollowNavGoal;
|
||
|
|
float m_flTimeUpdatedFollowPosition;
|
||
|
|
bool m_bFirstFacing;
|
||
|
|
float m_flTimeFollowTargetVisible;
|
||
|
|
|
||
|
|
CAI_MoveMonitor m_TargetMonitor;
|
||
|
|
bool m_bTargetUnreachable;
|
||
|
|
bool m_bFollowNavFailed; // Set when pathfinding fails to limit impact of m_FollowDelay on ShouldFollow
|
||
|
|
|
||
|
|
int m_nFailedFollowAttempts;
|
||
|
|
float m_flTimeFailFollowStarted;
|
||
|
|
Vector m_vFollowMoveAnchor;
|
||
|
|
|
||
|
|
bool m_bMovingToCover;
|
||
|
|
float m_flOriginalEnemyDiscardTime;
|
||
|
|
float m_SavedDistTooFar;
|
||
|
|
|
||
|
|
CRandStopwatch m_FollowDelay;
|
||
|
|
CSimpleSimTimer m_RepathOnFollowTimer;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
Activity m_CurrentFollowActivity;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
CRandSimTimer m_TimeBlockUseWaitPoint;
|
||
|
|
CSimTimer m_TimeCheckForWaitPoint;
|
||
|
|
CAI_Hint * m_pInterruptWaitPoint;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
CRandSimTimer m_TimeBeforeSpreadFacing;
|
||
|
|
CRandSimTimer m_TimeNextSpreadFacing;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
AI_FollowManagerInfoHandle_t m_hFollowManagerInfo;
|
||
|
|
AI_FollowParams_t m_params;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
CHandle<CAI_FollowGoal> m_hFollowGoalEnt;
|
||
|
|
|
||
|
|
//---------------------------------
|
||
|
|
|
||
|
|
DECLARE_DATADESC();
|
||
|
|
};
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline const AI_FollowNavInfo_t &CAI_FollowBehavior::GetFollowGoalInfo()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline const int CAI_FollowBehavior::GetGoalFlags()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal.flags;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline const Vector &CAI_FollowBehavior::GetGoalPosition()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal.position;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline float CAI_FollowBehavior::GetGoalTolerance()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal.tolerance;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline float CAI_FollowBehavior::GetGoalRange()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal.range;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-------------------------------------
|
||
|
|
|
||
|
|
inline float CAI_FollowBehavior::GetGoalZRange()
|
||
|
|
{
|
||
|
|
return m_FollowNavGoal.Zrange;
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#endif // AI_BEHAVIOR_FOLLOW_H
|