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Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
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hlsdk-portable/dlls/bot/cs_bot.h

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/*
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#ifndef CS_BOT_H
#define CS_BOT_H
#ifdef _WIN32
#pragma once
#endif
#include "bot/cs_gamestate.h"
#include "bot/cs_bot_manager.h"
#include "bot/cs_bot_chatter.h"
#define CSBOT_VERSION_MAJOR 1
#define CSBOT_VERSION_MINOR 50
#define PRIMARY_WEAPON_BUY_COUNT 13
#define SECONDARY_WEAPON_BUY_COUNT 3
#define FLAG_PROGRESS_DRAW 0x0 // draw status bar progress
#define FLAG_PROGRESS_START 0x1 // init status bar progress
#define FLAG_PROGRESS_HIDE 0x2 // hide status bar progress
#define HI_X 0x01
#define LO_X 0x02
#define HI_Y 0x04
#define LO_Y 0x08
#define HI_Z 0x10
#define LO_Z 0x20
extern int _navAreaCount;
extern int _currentIndex;
/*
extern struct BuyInfo primaryWeaponBuyInfoCT[ PRIMARY_WEAPON_BUY_COUNT ];
extern struct BuyInfo secondaryWeaponBuyInfoCT[ SECONDARY_WEAPON_BUY_COUNT ];
extern struct BuyInfo primaryWeaponBuyInfoT[ PRIMARY_WEAPON_BUY_COUNT ];
extern struct BuyInfo secondaryWeaponBuyInfoT[ SECONDARY_WEAPON_BUY_COUNT ];
*/
class CCSBot;
class BotChatterInterface;
class BotState
{
public:
virtual void OnEnter(CCSBot *me) {}
virtual void OnUpdate(CCSBot *me) {}
virtual void OnExit(CCSBot *me) {}
virtual const char *GetName() const = 0;
};
class IdleState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual const char *GetName() const { return "Idle"; }
};
class HuntState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "Hunt"; }
void ClearHuntArea() { m_huntArea = NULL; }
private:
CNavArea *m_huntArea;
};
class AttackState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "Attack"; }
void SetCrouchAndHold(bool crouch) { m_crouchAndHold = crouch; }
void StopAttacking(CCSBot *me);
protected:
enum DodgeStateType
{
STEADY_ON,
SLIDE_LEFT,
SLIDE_RIGHT,
JUMP,
NUM_ATTACK_STATES
} m_dodgeState;
float m_nextDodgeStateTimestamp;
CountdownTimer m_repathTimer;
float m_scopeTimestamp;
bool m_haveSeenEnemy;
bool m_isEnemyHidden;
float m_reacquireTimestamp;
float m_shieldToggleTimestamp;
bool m_shieldForceOpen;
float m_pinnedDownTimestamp;
bool m_crouchAndHold;
bool m_didAmbushCheck;
bool m_dodge;
bool m_firstDodge;
bool m_isCoward;
CountdownTimer m_retreatTimer;
};
class InvestigateNoiseState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "InvestigateNoise"; }
private:
void AttendCurrentNoise(CCSBot *me);
Vector m_checkNoisePosition;
};
#if 0
class BuyState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "Buy"; }
private:
bool m_isInitialDelay;
int m_prefRetries;
int m_prefIndex;
int m_retries;
bool m_doneBuying;
bool m_buyDefuseKit;
bool m_buyGrenade;
bool m_buyShield;
bool m_buyPistol;
};
#endif
class MoveToState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "MoveTo"; }
void SetGoalPosition(const Vector &pos) { m_goalPosition = pos; }
void SetRouteType(RouteType route) { m_routeType = route; }
private:
Vector m_goalPosition;
RouteType m_routeType;
bool m_radioedPlan;
bool m_askedForCover;
};
#if 0
class FetchBombState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual const char *GetName() const { return "FetchBomb"; }
};
class PlantBombState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "PlantBomb"; }
};
class DefuseBombState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "DefuseBomb"; }
};
#endif
class HideState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "Hide"; }
public:
void SetHidingSpot(const Vector &pos) { m_hidingSpot = pos; }
const Vector &GetHidingSpot() const { return m_hidingSpot; }
void SetSearchArea(CNavArea *area) { m_searchFromArea = area; }
void SetSearchRange(float range) { m_range = range; }
void SetDuration(float time) { m_duration = time; }
void SetHoldPosition(bool hold) { m_isHoldingPosition = hold; }
bool IsAtSpot() const { return m_isAtSpot; }
private:
CNavArea *m_searchFromArea;
float m_range;
Vector m_hidingSpot;
bool m_isAtSpot;
float m_duration;
bool m_isHoldingPosition;
float m_holdPositionTime;
bool m_heardEnemy;
float m_firstHeardEnemyTime;
int m_retry;
Vector m_leaderAnchorPos;
};
#if 0
class EscapeFromBombState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "EscapeFromBomb"; }
};
#endif
class FollowState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "Follow"; }
void SetLeader(CBaseEntity *leader) { m_leader = leader; }
private:
void ComputeLeaderMotionState(float leaderSpeed);
EHANDLE m_leader;
Vector m_lastLeaderPos;
bool m_isStopped;
float m_stoppedTimestamp;
enum LeaderMotionStateType
{
INVALID,
STOPPED,
WALKING,
RUNNING
} m_leaderMotionState;
IntervalTimer m_leaderMotionStateTime;
bool m_isSneaking;
float m_lastSawLeaderTime;
CountdownTimer m_repathInterval;
IntervalTimer m_walkTime;
bool m_isAtWalkSpeed;
float m_waitTime;
CountdownTimer m_idleTimer;
};
class UseEntityState: public BotState
{
public:
virtual void OnEnter(CCSBot *me);
virtual void OnUpdate(CCSBot *me);
virtual void OnExit(CCSBot *me);
virtual const char *GetName() const { return "UseEntity"; }
void SetEntity(CBaseEntity *entity) { m_entity = entity; }
private:
EHANDLE m_entity;
};
// The Counter-strike Bot
class CCSBot: public CBot
{
public:
CCSBot(); // constructor initializes all values to zero
public:
virtual int TakeDamage(entvars_t *pevInflictor, entvars_t *pevAttacker, float flDamage, int bitsDamageType); // invoked when injured by something (EXTEND) - returns the amount of damage inflicted
virtual void Killed(entvars_t *pevAttacker, int iGib); // invoked when killed (EXTEND)
virtual void RoundRespawn();
virtual void Blind(float duration, float holdTime, float fadeTime, int alpha = 255); // player blinded by a flashbang
virtual void OnTouchingWeapon(CWeaponBox *box); // invoked when in contact with a CWeaponBox
virtual bool Initialize(const BotProfile *profile); // (EXTEND) prepare bot for action
virtual void SpawnBot(); // (EXTEND) spawn the bot into the game
virtual void Upkeep(); // lightweight maintenance, invoked frequently
virtual void Update(); // heavyweight algorithms, invoked less often
virtual void Walk();
virtual bool Jump(bool mustJump = false); // returns true if jump was started
virtual void OnEvent(GameEventType event, CBaseEntity *entity = NULL, CBaseEntity *other = NULL); // invoked when event occurs in the game (some events have NULL entity)
#define CHECK_FOV true
virtual bool IsVisible(Vector *pos, bool testFOV = false) const; // return true if we can see the point
virtual bool IsVisible(CBasePlayer *player, bool testFOV = false, unsigned char *visParts = NULL) const; // return true if we can see any part of the player
virtual bool IsEnemyPartVisible(VisiblePartType part) const; // if enemy is visible, return the part we see for our current enemy
public:
void Disconnect();
// behavior properties
float GetCombatRange() const;
bool IsRogue() const; // return true if we dont listen to teammates or pursue scenario goals
void SetRogue(bool rogue);
bool IsHurrying() const; // return true if we are in a hurry
void Hurry(float duration); // force bot to hurry
bool IsSafe() const; // return true if we are in a safe region
bool IsWellPastSafe() const; // return true if it is well past the early, "safe", part of the round
bool IsEndOfSafeTime() const; // return true if we were in the safe time last update, but not now
float GetSafeTimeRemaining() const; // return the amount of "safe time" we have left
float GetSafeTime() const; // return what we think the total "safe time" for this map is
NOXREF bool IsUnhealthy() const; // returns true if bot is low on health
// behaviors
void Idle();
void Hide(CNavArea *searchFromArea = NULL, float duration = -1.0f, float hideRange = 750.0f, bool holdPosition = false); // DEPRECATED: Use TryToHide() instead
#define USE_NEAREST true
bool TryToHide(CNavArea *searchFromArea = NULL, float duration = -1.0f, float hideRange = 750.0f, bool holdPosition = false, bool useNearest = false); // try to hide nearby, return false if cannot
void Hide(const Vector *hidingSpot, float duration = -1.0f, bool holdPosition = false); // move to the given hiding place
bool IsHiding() const; // returns true if bot is currently hiding
bool IsAtHidingSpot() const; // return true if we are hiding and at our hiding spot
bool TryToRetreat(); // retreat to a nearby hiding spot, away from enemies
void Hunt();
bool IsHunting() const; // returns true if bot is currently hunting
void Attack(CBasePlayer *victim);
void FireWeaponAtEnemy(); // fire our active weapon towards our current enemy
void StopAttacking();
bool IsAttacking() const; // returns true if bot is currently engaging a target
void MoveTo(const Vector *pos, RouteType route = SAFEST_ROUTE); // move to potentially distant position
bool IsMovingTo() const; // return true if we are in the MoveTo state
void PlantBomb();
void FetchBomb(); // bomb has been dropped - go get it
bool NoticeLooseBomb() const; // return true if we noticed the bomb on the ground or on radar
bool CanSeeLooseBomb() const; // return true if we directly see the loose bomb
bool IsCarryingBomb() const;
void DefuseBomb();
bool IsDefusingBomb() const; // returns true if bot is currently defusing the bomb
bool CanSeePlantedBomb() const; // return true if we directly see the planted bomb
void EscapeFromBomb();
bool IsEscapingFromBomb() const; // return true if we are escaping from the bomb
void RescueHostages();
void UseEntity(CBaseEntity *entity); // use the entity
bool IsBuying() const;
void Panic(CBasePlayer *enemy); // look around in panic
void Follow(CBasePlayer *player); // begin following given Player
void ContinueFollowing(); // continue following our leader after finishing what we were doing
void StopFollowing(); // stop following
bool IsFollowing() const; // return true if we are following someone (not necessarily in the follow state)
CBasePlayer *GetFollowLeader(); // return the leader we are following
float GetFollowDuration() const; // return how long we've been following our leader
bool CanAutoFollow() const; // return true if we can auto-follow
bool IsNotMoving() const; // return true if we are currently standing still
void AimAtEnemy(); // point our weapon towards our enemy
void StopAiming(); // stop aiming at enemy
bool IsAimingAtEnemy() const; // returns true if we are trying to aim at an enemy
bool IsSurprised() const; // return true if we are "surprised"
float GetSurpriseDelay() const;
void ClearSurpriseDelay();
float GetStateTimestamp() const; // get time current state was entered
bool IsDoingScenario() const; // return true if we will do scenario-related tasks
// scenario / gamestate
CSGameState *GetGameState(); // return an interface to this bot's gamestate
const CSGameState *GetGameState() const; // return an interface to this bot's gamestate
bool IsAtBombsite(); // return true if we are in a bomb planting zone
bool GuardRandomZone(float range = 500.0f); // pick a random zone and hide near it
bool IsBusy() const; // return true if we are busy doing something important
// high-level tasks
enum TaskType
{
SEEK_AND_DESTROY,
PLANT_BOMB,
FIND_TICKING_BOMB,
DEFUSE_BOMB,
GUARD_TICKING_BOMB,
GUARD_BOMB_DEFUSER,
GUARD_LOOSE_BOMB,
GUARD_BOMB_ZONE,
ESCAPE_FROM_BOMB,
HOLD_POSITION,
FOLLOW,
VIP_ESCAPE,
GUARD_VIP_ESCAPE_ZONE,
COLLECT_HOSTAGES,
RESCUE_HOSTAGES,
GUARD_HOSTAGES,
GUARD_HOSTAGE_RESCUE_ZONE,
MOVE_TO_LAST_KNOWN_ENEMY_POSITION,
MOVE_TO_SNIPER_SPOT,
SNIPING,
NUM_TASKS
};
void SetTask(TaskType task, CBaseEntity *entity = NULL); // set our current "task"
TaskType GetTask() const;
CBaseEntity *GetTaskEntity();
// behavior modifiers
enum DispositionType
{
ENGAGE_AND_INVESTIGATE, // engage enemies on sight and investigate enemy noises
OPPORTUNITY_FIRE, // engage enemies on sight, but only look towards enemy noises, dont investigate
SELF_DEFENSE, // only engage if fired on, or very close to enemy
IGNORE_ENEMIES, // ignore all enemies - useful for ducking around corners, running away, etc
NUM_DISPOSITIONS
};
void SetDisposition(DispositionType disposition); // define how we react to enemies
DispositionType GetDisposition() const; // return enum describing current disposition
void IgnoreEnemies(float duration); // ignore enemies for a short duration
enum MoraleType
{
TERRIBLE = -3,
BAD = -2,
NEGATIVE = -1,
NEUTRAL = 0,
POSITIVE = 1,
GOOD = 2,
EXCELLENT = 3,
};
MoraleType GetMorale() const; // return enum describing current morale
void IncreaseMorale();
void DecreaseMorale();
// listening for noises
bool IsNoiseHeard() const; // return true if we have heard a noise
bool ShouldInvestigateNoise(float *retNoiseDist = NULL);
void InvestigateNoise(); // investigate recent enemy noise
const Vector *GetNoisePosition() const; // return position of last heard noise, or NULL if none heard
CNavArea *GetNoiseArea() const; // return area where noise was heard
void ForgetNoise(); // clear the last heard noise
bool CanSeeNoisePosition() const; // return true if we directly see where we think the noise came from
NOXREF float GetNoiseRange() const; // return approximate distance to last noise heard
bool CanHearNearbyEnemyGunfire(float range = -1.0f) const; // return true if we hear nearby threatening enemy gunfire within given range (-1 == infinite)
PriorityType GetNoisePriority() const; // return priority of last heard noise
// radio and chatter
void SendRadioMessage(GameEventType event); // send voice chatter
BotChatterInterface *GetChatter(); // return an interface to this bot's chatter system
bool RespondToHelpRequest(CBasePlayer *them, Place place, float maxRange = -1.0f); // decide if we should move to help the player, return true if we will
void StartVoiceFeedback(float duration);
bool IsUsingVoice() const; // new-style "voice" chatter gets voice feedback
// enemies
// BOTPORT: GetEnemy() collides with GetEnemy() in CBaseEntity - need to use different nomenclature
void SetEnemy(CBasePlayer *enemy); // set given player as our current enemy
CBasePlayer *GetEnemy();
int GetNearbyEnemyCount() const; // return max number of nearby enemies we've seen recently
unsigned int GetEnemyPlace() const; // return location where we see the majority of our enemies
bool CanSeeBomber() const; // return true if we can see the bomb carrier
CBasePlayer *GetBomber() const;
int GetNearbyFriendCount() const; // return number of nearby teammates
CBasePlayer *GetClosestVisibleFriend() const; // return the closest friend that we can see
CBasePlayer *GetClosestVisibleHumanFriend() const; // return the closest human friend that we can see
bool IsOutnumbered() const; // return true if we are outnumbered by enemies
int OutnumberedCount() const; // return number of enemies we are outnumbered by
#define ONLY_VISIBLE_ENEMIES true
CBasePlayer *GetImportantEnemy(bool checkVisibility = false) const; // return the closest "important" enemy for the given scenario (bomb carrier, VIP, hostage escorter)
void UpdateReactionQueue(); // update our reaction time queue
CBasePlayer *GetRecognizedEnemy(); // return the most dangerous threat we are "conscious" of
bool IsRecognizedEnemyReloading(); // return true if the enemy we are "conscious" of is reloading
bool IsRecognizedEnemyProtectedByShield(); // return true if the enemy we are "conscious" of is hiding behind a shield
float GetRangeToNearestRecognizedEnemy(); // return distance to closest enemy we are "conscious" of
CBasePlayer *GetAttacker() const; // return last enemy that hurt us
float GetTimeSinceAttacked() const; // return duration since we were last injured by an attacker
float GetFirstSawEnemyTimestamp() const; // time since we saw any enemies
float GetLastSawEnemyTimestamp() const;
float GetTimeSinceLastSawEnemy() const;
float GetTimeSinceAcquiredCurrentEnemy() const;
bool HasNotSeenEnemyForLongTime() const; // return true if we haven't seen an enemy for "a long time"
const Vector &GetLastKnownEnemyPosition() const;
bool IsEnemyVisible() const; // is our current enemy visible
float GetEnemyDeathTimestamp() const;
bool IsFriendInLineOfFire(); // return true if a friend is in our weapon's way
bool IsAwareOfEnemyDeath() const; // return true if we *noticed* that our enemy died
int GetLastVictimID() const; // return the ID (entindex) of the last victim we killed, or zero
// navigation
bool HasPath() const;
void DestroyPath();
float GetFeetZ() const; // return Z of bottom of feet
enum PathResult
{
PROGRESSING, // we are moving along the path
END_OF_PATH, // we reached the end of the path
PATH_FAILURE, // we failed to reach the end of the path
};
#define NO_SPEED_CHANGE false
PathResult UpdatePathMovement(bool allowSpeedChange = true); // move along our computed path - if allowSpeedChange is true, bot will walk when near goal to ensure accuracy
NOXREF bool AStarSearch(CNavArea *startArea, CNavArea *goalArea); // find shortest path from startArea to goalArea - don't actually buid the path
bool ComputePath(CNavArea *goalArea, const Vector *goal, RouteType route); // compute path to goal position
bool StayOnNavMesh();
CNavArea *GetLastKnownArea() const; // return the last area we know we were inside of
const Vector &GetPathEndpoint() const; // return final position of our current path
float GetPathDistanceRemaining() const; // eturn estimated distance left to travel along path
void ResetStuckMonitor();
NOXREF bool IsAreaVisible(CNavArea *area) const; // is any portion of the area visible to this bot
const Vector &GetPathPosition(int numpath) const;
bool GetSimpleGroundHeightWithFloor(const Vector *pos, float *height, Vector *normal = NULL); // find "simple" ground height, treating current nav area as part of the floor
Place GetPlace() const; // get our current radio chatter place
bool IsUsingLadder() const; // returns true if we are in the process of negotiating a ladder
void GetOffLadder();
void SetGoalEntity(CBaseEntity *entity);
CBaseEntity *GetGoalEntity();
bool IsNearJump() const; // return true if nearing a jump in the path
float GetApproximateFallDamage(float height) const; // return how much damage will will take from the given fall height
void ForceRun(float duration); // force the bot to run if it moves for the given duration
void Wiggle(); // random movement, for getting un-stuck
bool IsFriendInTheWay(const Vector *goalPos) const; // return true if a friend is between us and the given position
void FeelerReflexAdjustment(Vector *goalPosition); // do reflex avoidance movements if our "feelers" are touched
// looking around
void SetLookAngles(float yaw, float pitch); // set our desired look angles
void UpdateLookAngles(); // move actual view angles towards desired ones
void UpdateLookAround(bool updateNow = false); // update "looking around" mechanism
void InhibitLookAround(float duration); // block all "look at" and "looking around" behavior for given duration - just look ahead
// TODO: Clean up notion of "forward angle" and "look ahead angle"
void SetForwardAngle(float angle); // define our forward facing
void SetLookAheadAngle(float angle); // define default look ahead angle
// look at the given point in space for the given duration (-1 means forever)
void SetLookAt(const char *desc, const Vector *pos, PriorityType pri, float duration = -1.0f, bool clearIfClose = false, float angleTolerance = 5.0f);
void ClearLookAt(); // stop looking at a point in space and just look ahead
bool IsLookingAtSpot(PriorityType pri = PRIORITY_LOW) const; // return true if we are looking at spot with equal or higher priority
bool IsViewMoving(float angleVelThreshold = 1.0f) const; // returns true if bot's view angles are rotating (not still)
const Vector &GetEyePosition() const
{
m_eyePos = pev->origin + pev->view_ofs;
return m_eyePos;
}
float ComputeWeaponSightRange(); // return line-of-sight distance to obstacle along weapon fire ray
// approach points
void ComputeApproachPoints(); // determine the set of "approach points" representing where the enemy can enter this region
NOXREF void UpdateApproachPoints(); // recompute the approach point set if we have moved far enough to invalidate the current ones
void ClearApproachPoints();
void DrawApproachPoints(); // for debugging
float GetHidingSpotCheckTimestamp(HidingSpot *spot) const; // return time when given spot was last checked
void SetHidingSpotCheckTimestamp(HidingSpot *spot); // set the timestamp of the given spot to now
// weapon query and equip
#define MUST_EQUIP true
void EquipBestWeapon(bool mustEquip = false); // equip the best weapon we are carrying that has ammo
void EquipPistol(); // equip our pistol
void EquipKnife(); // equip our knife
#define DONT_USE_SMOKE_GRENADE true
bool EquipGrenade(bool noSmoke = false); // equip a grenade, return false if we cant
bool IsUsingKnife() const; // returns true if we have knife equipped
bool IsUsingPistol() const; // returns true if we have pistol equipped
bool IsUsingGrenade() const; // returns true if we have grenade equipped
bool IsUsingSniperRifle() const; // returns true if using a "sniper" rifle
bool IsUsingAWP() const; // returns true if we have AWP equipped
bool IsSniper() const; // return true if we have a sniper rifle in our inventory
bool IsSniping() const; // return true if we are actively sniping (moving to sniper spot or settled in)
bool IsUsingShotgun() const; // returns true if using a shotgun
bool IsUsingMachinegun() const; // returns true if using the big 'ol machinegun
void ThrowGrenade(const Vector *target); // begin the process of throwing the grenade
bool IsThrowingGrenade() const; // return true if we are in the process of throwing a grenade
bool HasGrenade() const; // return true if we have a grenade in our inventory
bool DoesActiveWeaponHaveSilencer() const;
bool IsUsingHEGrenade() const;
void StartRapidFire();
void StopRapidFire();
bool IsRapidFiring() const;
enum ZoomType { NO_ZOOM, LOW_ZOOM, HIGH_ZOOM };
ZoomType GetZoomLevel() const; // return the current zoom level of our weapon
bool AdjustZoom(float range); // change our zoom level to be appropriate for the given range
bool IsPrimaryWeaponEmpty() const; // return true if primary weapon doesn't exist or is totally out of ammo
bool IsPistolEmpty() const; // return true if secondary weapon doesn't exist or is totally out of ammo
int GetHostageEscortCount() const;
void IncreaseHostageEscortCount();
float GetRangeToFarthestEscortedHostage() const;
void ResetWaitForHostagePatience();
void ResetValues(); // reset internal data to initial state
void BotDeathThink();
CBasePlayer *FindNearbyPlayer();
void AdjustSafeTime(); // called when enemy seen to adjust safe time for this round
void EXPORT BotTouch(CBaseEntity *other);
bool HasAnyAmmo(CBasePlayerWeapon *weapon) const;
private:
friend class CCSBotManager;
// TODO: Get rid of these
friend class AttackState;
friend class BuyState;
char m_name[64]; // copied from STRING(pev->netname) for debugging
// behavior properties
float m_combatRange; // desired distance between us and them during gunplay
mutable bool m_isRogue; // if true, the bot is a "rogue" and listens to no-one
mutable CountdownTimer m_rogueTimer;
MoraleType m_morale; // our current morale, based on our win/loss history
bool m_diedLastRound; // true if we died last round
float m_safeTime; // duration at the beginning of the round where we feel "safe"
bool m_wasSafe; // true if we were in the safe time last update
NavRelativeDirType m_blindMoveDir; // which way to move when we're blind
bool m_blindFire; // if true, fire weapon while blinded
// TODO: implement through CountdownTimer
float m_surpriseDelay; // when we were surprised
float m_surpriseTimestamp;
bool m_isFollowing; // true if we are following someone
EHANDLE m_leader; // the ID of who we are following
float m_followTimestamp; // when we started following
float m_allowAutoFollowTime; // time when we can auto follow
CountdownTimer m_hurryTimer; // if valid, bot is in a hurry
// instances of each possible behavior state, to avoid dynamic memory allocation during runtime
IdleState m_idleState;
HuntState m_huntState;
AttackState m_attackState;
InvestigateNoiseState m_investigateNoiseState;
// BuyState m_buyState;
MoveToState m_moveToState;
// FetchBombState m_fetchBombState;
// PlantBombState m_plantBombState;
// DefuseBombState m_defuseBombState;
HideState m_hideState;
// EscapeFromBombState m_escapeFromBombState;
FollowState m_followState;
UseEntityState m_useEntityState;
// TODO: Allow multiple simultaneous state machines (look around, etc)
void SetState(BotState *state); // set the current behavior state
BotState *m_state; // current behavior state
float m_stateTimestamp; // time state was entered
bool m_isAttacking; // if true, special Attack state is overriding the state machine
TaskType m_task; // our current task
EHANDLE m_taskEntity; // an entity used for our task
// navigation
Vector m_goalPosition;
EHANDLE m_goalEntity;
void MoveTowardsPosition(const Vector *pos); // move towards position, independant of view angle
NOXREF void MoveAwayFromPosition(const Vector *pos); // move away from position, independant of view angle
void StrafeAwayFromPosition(const Vector *pos); // strafe (sidestep) away from position, independant of view angle
void StuckCheck(); // check if we have become stuck
CNavArea *m_currentArea; // the nav area we are standing on
CNavArea *m_lastKnownArea; // the last area we were in
EHANDLE m_avoid; // higher priority player we need to make way for
float m_avoidTimestamp;
bool m_isJumpCrouching;
bool m_isJumpCrouched;
float m_jumpCrouchTimestamp;
// path navigation data
enum { MAX_PATH_LENGTH = 256 };
struct ConnectInfo
{
CNavArea *area; // the area along the path
NavTraverseType how; // how to enter this area from the previous one
Vector pos; // our movement goal position at this point in the path
const CNavLadder *ladder; // if "how" refers to a ladder, this is it
}
m_path[ MAX_PATH_LENGTH ];
int m_pathLength;
int m_pathIndex;
float m_areaEnteredTimestamp;
void BuildTrivialPath(const Vector *goal); // build trivial path to goal, assuming we are already in the same area
bool FindGrenadeTossPathTarget(Vector *pos);
CountdownTimer m_repathTimer; // must have elapsed before bot can pathfind again
bool ComputePathPositions(); // determine actual path positions bot will move between along the path
void SetupLadderMovement();
void SetPathIndex(int newIndex); // set the current index along the path
void DrawPath();
int FindOurPositionOnPath(Vector *close, bool local = false) const; // compute the closest point to our current position on our path
int FindPathPoint(float aheadRange, Vector *point, int *prevIndex = NULL); // compute a point a fixed distance ahead along our path.
bool FindClosestPointOnPath(const Vector *worldPos, int startIndex, int endIndex, Vector *close) const; // compute closest point on path to given point
bool IsStraightLinePathWalkable(const Vector *goal) const; // test for un-jumpable height change, or unrecoverable fall
mutable CountdownTimer m_avoidFriendTimer; // used to throttle how often we check for friends in our path
mutable bool m_isFriendInTheWay; // true if a friend is blocking our path
CountdownTimer m_politeTimer; // we'll wait for friend to move until this runs out
bool m_isWaitingBehindFriend; // true if we are waiting for a friend to move
#define ONLY_JUMP_DOWN true
bool DiscontinuityJump(float ground, bool onlyJumpDown = false, bool mustJump = false); // check if we need to jump due to height change
enum LadderNavState
{
APPROACH_ASCENDING_LADDER, // prepare to scale a ladder
APPROACH_DESCENDING_LADDER, // prepare to go down ladder
FACE_ASCENDING_LADDER,
FACE_DESCENDING_LADDER,
MOUNT_ASCENDING_LADDER, // move toward ladder until "on" it
MOUNT_DESCENDING_LADDER, // move toward ladder until "on" it
ASCEND_LADDER, // go up the ladder
DESCEND_LADDER, // go down the ladder
DISMOUNT_ASCENDING_LADDER, // get off of the ladder
DISMOUNT_DESCENDING_LADDER, // get off of the ladder
MOVE_TO_DESTINATION, // dismount ladder and move to destination area
}
m_pathLadderState;
bool m_pathLadderFaceIn; // if true, face towards ladder, otherwise face away
const CNavLadder *m_pathLadder; // the ladder we need to use to reach the next area
bool UpdateLadderMovement(); // called by UpdatePathMovement()
NavRelativeDirType m_pathLadderDismountDir; // which way to dismount
float m_pathLadderDismountTimestamp; // time when dismount started
float m_pathLadderEnd; // if ascending, z of top, if descending z of bottom
void ComputeLadderEndpoint(bool isAscending);
float m_pathLadderTimestamp; // time when we started using ladder - for timeout check
CountdownTimer m_mustRunTimer; // if nonzero, bot cannot walk
// game scenario mechanisms
CSGameState m_gameState;
// hostages mechanism
byte m_hostageEscortCount;
void UpdateHostageEscortCount();
float m_hostageEscortCountTimestamp;
bool m_isWaitingForHostage;
CountdownTimer m_inhibitWaitingForHostageTimer;
CountdownTimer m_waitForHostageTimer;
// listening mechanism
Vector m_noisePosition; // position we last heard non-friendly noise
float m_noiseTimestamp; // when we heard it (can get zeroed)
CNavArea *m_noiseArea; // the nav area containing the noise
float m_noiseCheckTimestamp;
PriorityType m_noisePriority; // priority of currently heard noise
bool UpdateLookAtNoise(); // return true if we decided to look towards the most recent noise source
bool m_isNoiseTravelRangeChecked;
// "looking around" mechanism
float m_lookAroundStateTimestamp; // time of next state change
float m_lookAheadAngle; // our desired forward look angle
float m_forwardAngle; // our current forward facing direction
float m_inhibitLookAroundTimestamp; // time when we can look around again
enum LookAtSpotState
{
NOT_LOOKING_AT_SPOT, // not currently looking at a point in space
LOOK_TOWARDS_SPOT, // in the process of aiming at m_lookAtSpot
LOOK_AT_SPOT, // looking at m_lookAtSpot
NUM_LOOK_AT_SPOT_STATES
}
m_lookAtSpotState;
Vector m_lookAtSpot; // the spot we're currently looking at
PriorityType m_lookAtSpotPriority;
float m_lookAtSpotDuration; // how long we need to look at the spot
float m_lookAtSpotTimestamp; // when we actually began looking at the spot
float m_lookAtSpotAngleTolerance; // how exactly we must look at the spot
bool m_lookAtSpotClearIfClose; // if true, the look at spot is cleared if it gets close to us
const char *m_lookAtDesc; // for debugging
void UpdateLookAt();
void UpdatePeripheralVision(); // update enounter spot timestamps, etc
float m_peripheralTimestamp;
enum { MAX_APPROACH_POINTS = 16 };
Vector m_approachPoint[ MAX_APPROACH_POINTS ];
unsigned char m_approachPointCount;
Vector m_approachPointViewPosition; // the position used when computing current approachPoint set
bool BendLineOfSight(const Vector *eye, const Vector *point, Vector *bend) const; // "bend" our line of sight until we can see the target point. Return bend point, false if cant bend.
NOXREF bool FindApproachPointNearestPath(Vector *pos); // find the approach point that is nearest to our current path, ahead of us
bool m_isWaitingToTossGrenade; // lining up throw
CountdownTimer m_tossGrenadeTimer; // timeout timer for grenade tossing
SpotEncounter *m_spotEncounter; // the spots we will encounter as we move thru our current area
float m_spotCheckTimestamp; // when to check next encounter spot
// TODO: Add timestamp for each possible client to hiding spots
enum { MAX_CHECKED_SPOTS = 64 };
struct HidingSpotCheckInfo
{
HidingSpot *spot;
float timestamp;
}
m_checkedHidingSpot[ MAX_CHECKED_SPOTS ];
int m_checkedHidingSpotCount;
// view angle mechanism
float m_lookPitch; // our desired look pitch angle
float m_lookPitchVel;
float m_lookYaw; // our desired look yaw angle
float m_lookYawVel;
// aim angle mechanism
mutable Vector m_eyePos;
Vector m_aimOffset; // current error added to victim's position to get actual aim spot
Vector m_aimOffsetGoal; // desired aim offset
float m_aimOffsetTimestamp; // time of next offset adjustment
float m_aimSpreadTimestamp; // time used to determine max spread as it begins to tighten up
void SetAimOffset(float accuracy); // set the current aim offset
void UpdateAimOffset(); // wiggle aim error based on m_accuracy
Vector m_aimSpot; // the spot we are currently aiming to fire at
// attack state data
DispositionType m_disposition; // how we will react to enemies
CountdownTimer m_ignoreEnemiesTimer; // how long will we ignore enemies
mutable EHANDLE m_enemy; // our current enemy
bool m_isEnemyVisible; // result of last visibility test on enemy
unsigned char m_visibleEnemyParts; // which parts of the visible enemy do we see
Vector m_lastEnemyPosition; // last place we saw the enemy
float m_lastSawEnemyTimestamp;
float m_firstSawEnemyTimestamp;
float m_currentEnemyAcquireTimestamp;
float m_enemyDeathTimestamp; // if m_enemy is dead, this is when he died
bool m_isLastEnemyDead; // true if we killed or saw our last enemy die
int m_nearbyEnemyCount; // max number of enemies we've seen recently
unsigned int m_enemyPlace; // the location where we saw most of our enemies
struct WatchInfo
{
float timestamp;
bool isEnemy;
}
m_watchInfo[ MAX_CLIENTS ];
mutable EHANDLE m_bomber; // points to bomber if we can see him
int m_nearbyFriendCount; // number of nearby teammates
mutable EHANDLE m_closestVisibleFriend; // the closest friend we can see
mutable EHANDLE m_closestVisibleHumanFriend; // the closest human friend we can see
CBasePlayer *m_attacker; // last enemy that hurt us (may not be same as m_enemy)
float m_attackedTimestamp; // when we were hurt by the m_attacker
int m_lastVictimID; // the entindex of the last victim we killed, or zero
bool m_isAimingAtEnemy; // if true, we are trying to aim at our enemy
bool m_isRapidFiring; // if true, RunUpkeep() will toggle our primary attack as fast as it can
IntervalTimer m_equipTimer; // how long have we had our current weapon equipped
bool DoEquip(CBasePlayerWeapon *gun); // equip the given item
void ReloadCheck(); // reload our weapon if we must
void SilencerCheck(); // use silencer
float m_fireWeaponTimestamp;
// reaction time system
enum { MAX_ENEMY_QUEUE = 20 };
struct ReactionState
{
// NOTE: player position & orientation is not currently stored separately
EHANDLE player;
bool isReloading;
bool isProtectedByShield;
}
m_enemyQueue[ MAX_ENEMY_QUEUE ]; // round-robin queue for simulating reaction times
byte m_enemyQueueIndex;
byte m_enemyQueueCount;
byte m_enemyQueueAttendIndex; // index of the timeframe we are "conscious" of
CBasePlayer *FindMostDangerousThreat(); // return most dangerous threat in my field of view (feeds into reaction time queue)
// stuck detection
bool m_isStuck;
float m_stuckTimestamp; // time when we got stuck
Vector m_stuckSpot; // the location where we became stuck
NavRelativeDirType m_wiggleDirection;
float m_wiggleTimestamp;
float m_stuckJumpTimestamp; // time for next jump when stuck
enum { MAX_VEL_SAMPLES = 5 };
float m_avgVel[ MAX_VEL_SAMPLES ];
int m_avgVelIndex;
int m_avgVelCount;
Vector m_lastOrigin;
// chatter mechanism
GameEventType m_lastRadioCommand; // last radio command we recieved
void RespondToRadioCommands();
bool IsRadioCommand(GameEventType event) const; // returns true if the radio message is an order to do something
#define NO_FORCE false
void EndVoiceFeedback(bool force = true);
float m_lastRadioRecievedTimestamp; // time we recieved a radio message
float m_lastRadioSentTimestamp; // time when we send a radio message
EHANDLE m_radioSubject; // who issued the radio message
Vector m_radioPosition; // position referred to in radio message
float m_voiceFeedbackStartTimestamp;
float m_voiceFeedbackEndTimestamp; // new-style "voice" chatter gets voice feedback
BotChatterInterface m_chatter;
// learn map mechanism
const CNavNode *m_navNodeList;
CNavNode *m_currentNode;
NavDirType m_generationDir;
int m_analyzeIter;
enum ProcessType
{
PROCESS_NORMAL,
PROCESS_LEARN,
PROCESS_ANALYZE_ALPHA,
PROCESS_ANALYZE_BETA,
PROCESS_SAVE,
}
m_processMode;
CountdownTimer m_mumbleTimer;
CountdownTimer m_booTimer;
CountdownTimer m_relocateTimer;
CNavNode *AddNode(const Vector *destPos, const Vector *normal, NavDirType dir, CNavNode *source);
void StartLearnProcess();
void UpdateLearnProcess();
bool LearnStep();
void StartAnalyzeAlphaProcess();
void UpdateAnalyzeAlphaProcess();
bool AnalyzeAlphaStep();
void StartAnalyzeBetaProcess();
void UpdateAnalyzeBetaProcess();
bool AnalyzeBetaStep();
void StartSaveProcess();
void UpdateSaveProcess();
void StartNormalProcess();
public:
int m_iTeam;
};
// Inlines
inline float CCSBot::GetCombatRange() const
{
return m_combatRange;
}
inline void CCSBot::SetRogue(bool rogue)
{
m_isRogue = rogue;
}
inline void CCSBot::Hurry(float duration)
{
m_hurryTimer.Start(duration);
}
inline float CCSBot::GetSafeTime() const
{
return m_safeTime;
}
inline bool CCSBot::IsCarryingBomb() const
{
return false;
}
inline bool CCSBot::IsFollowing() const
{
return m_isFollowing;
}
inline CBasePlayer *CCSBot::GetFollowLeader()
{
return (CBasePlayer*)(CBaseEntity*)m_leader;
}
inline float CCSBot::GetFollowDuration() const
{
return gpGlobals->time - m_followTimestamp;
}
inline bool CCSBot::CanAutoFollow() const
{
return (gpGlobals->time > m_allowAutoFollowTime);
}
inline void CCSBot::AimAtEnemy()
{
m_isAimingAtEnemy = true;
}
inline void CCSBot::StopAiming()
{
m_isAimingAtEnemy = false;
}
inline bool CCSBot::IsAimingAtEnemy() const
{
return m_isAimingAtEnemy;
}
inline bool CCSBot::IsSurprised() const
{
return gpGlobals->time - m_surpriseTimestamp < 5.0f;
}
inline float CCSBot::GetSurpriseDelay() const
{
return ( gpGlobals->time - IsSurprised() )? m_surpriseDelay : 0.0f;
}
inline void CCSBot::ClearSurpriseDelay()
{
m_surpriseDelay = 0.0f;
m_surpriseTimestamp = 0.0f;
}
inline float CCSBot::GetStateTimestamp() const
{
return m_stateTimestamp;
}
inline CSGameState *CCSBot::GetGameState()
{
return &m_gameState;
}
inline const CSGameState *CCSBot::GetGameState() const
{
return &m_gameState;
}
inline bool CCSBot::IsAtBombsite()
{
return false;
}
inline CCSBot::MoraleType CCSBot::GetMorale() const
{
return m_morale;
}
inline bool CCSBot::IsNoiseHeard() const
{
if (m_noiseTimestamp <= 0.0f)
return false;
// primitive reaction time simulation - cannot "hear" noise until reaction time has elapsed
if (gpGlobals->time - m_noiseTimestamp >= GetProfile()->GetReactionTime())
return true;
return false;
}
inline void CCSBot::SetTask(TaskType task, CBaseEntity *entity)
{
m_task = task;
m_taskEntity = entity;
}
inline CCSBot::TaskType CCSBot::GetTask() const
{
return m_task;
}
inline CBaseEntity *CCSBot::GetTaskEntity()
{
return m_taskEntity;
}
inline CNavArea *CCSBot::GetNoiseArea() const
{
return m_noiseArea;
}
inline void CCSBot::ForgetNoise()
{
m_noiseTimestamp = 0.0f;
}
inline PriorityType CCSBot::GetNoisePriority() const
{
return m_noisePriority;
}
inline BotChatterInterface *CCSBot::GetChatter()
{
return &m_chatter;
}
inline bool CCSBot::IsUsingVoice() const
{
return (m_voiceFeedbackEndTimestamp != 0.0f);
}
inline CBasePlayer *CCSBot::GetEnemy()
{
return (CBasePlayer*)(CBaseEntity*)m_enemy;
}
inline int CCSBot::GetNearbyEnemyCount() const
{
return Q_min(GetEnemiesRemaining(), m_nearbyEnemyCount);
}
inline unsigned int CCSBot::GetEnemyPlace() const
{
return m_enemyPlace;
}
inline bool CCSBot::CanSeeBomber() const
{
return (m_bomber == NULL) ? false : true;
}
inline CBasePlayer *CCSBot::GetBomber() const
{
return m_bomber;
}
inline int CCSBot::GetNearbyFriendCount() const
{
return Q_min(GetFriendsRemaining(), m_nearbyFriendCount);
}
inline CBasePlayer *CCSBot::GetClosestVisibleFriend() const
{
return m_closestVisibleFriend;
}
inline CBasePlayer *CCSBot::GetClosestVisibleHumanFriend() const
{
return m_closestVisibleHumanFriend;
}
inline float CCSBot::GetTimeSinceAttacked() const
{
return gpGlobals->time - m_attackedTimestamp;
}
inline float CCSBot::GetFirstSawEnemyTimestamp() const
{
return m_firstSawEnemyTimestamp;
}
inline float CCSBot::GetLastSawEnemyTimestamp() const
{
return m_lastSawEnemyTimestamp;
}
inline float CCSBot::GetTimeSinceLastSawEnemy() const
{
return gpGlobals->time - m_lastSawEnemyTimestamp;
}
inline float CCSBot::GetTimeSinceAcquiredCurrentEnemy() const
{
return gpGlobals->time - m_currentEnemyAcquireTimestamp;
}
inline const Vector &CCSBot::GetLastKnownEnemyPosition() const
{
return m_lastEnemyPosition;
}
inline bool CCSBot::IsEnemyVisible() const
{
return m_isEnemyVisible;
}
inline float CCSBot::GetEnemyDeathTimestamp() const
{
return m_enemyDeathTimestamp;
}
inline int CCSBot::GetLastVictimID() const
{
return m_lastVictimID;
}
inline bool CCSBot::HasPath() const
{
return m_pathLength != 0;
}
inline void CCSBot::DestroyPath()
{
m_pathLength = 0;
m_pathLadder = NULL;
}
inline CNavArea *CCSBot::GetLastKnownArea() const
{
return m_lastKnownArea;
}
inline const Vector &CCSBot::GetPathEndpoint() const
{
return m_path[ m_pathLength - 1 ].pos;
}
inline const Vector &CCSBot::GetPathPosition(int numpath) const
{
return m_path[ numpath ].pos;
}
inline bool CCSBot::IsUsingLadder() const
{
return m_pathLadder != NULL;
}
inline void CCSBot::SetGoalEntity(CBaseEntity *entity)
{
m_goalEntity = entity;
}
inline CBaseEntity *CCSBot::GetGoalEntity()
{
return m_goalEntity;
}
inline void CCSBot::ForceRun(float duration)
{
Run();
m_mustRunTimer.Start(duration);
}
inline void CCSBot::SetLookAngles(float yaw, float pitch)
{
m_lookYaw = yaw;
m_lookPitch = pitch;
}
inline void CCSBot::SetForwardAngle(float angle)
{
m_forwardAngle = angle;
}
inline void CCSBot::SetLookAheadAngle(float angle)
{
m_lookAheadAngle = angle;
}
inline void CCSBot::ClearLookAt()
{
//PrintIfWatched("ClearLookAt()\n");
m_lookAtSpotState = NOT_LOOKING_AT_SPOT;
m_lookAtDesc = NULL;
}
inline bool CCSBot::IsLookingAtSpot(PriorityType pri) const
{
if (m_lookAtSpotState != NOT_LOOKING_AT_SPOT && m_lookAtSpotPriority >= pri)
return true;
return false;
}
inline bool CCSBot::IsViewMoving(float angleVelThreshold) const
{
if (m_lookYawVel < angleVelThreshold && m_lookYawVel > -angleVelThreshold &&
m_lookPitchVel < angleVelThreshold && m_lookPitchVel > -angleVelThreshold)
{
return false;
}
return true;
}
inline void CCSBot::ClearApproachPoints()
{
m_approachPointCount = 0;
}
inline bool CCSBot::IsThrowingGrenade() const
{
return m_isWaitingToTossGrenade;
}
inline void CCSBot::StartRapidFire()
{
m_isRapidFiring = true;
}
inline void CCSBot::StopRapidFire()
{
m_isRapidFiring = false;
}
inline CCSBot::ZoomType CCSBot::GetZoomLevel() const
{
if (m_iFOV > 60.0f)
return NO_ZOOM;
if (m_iFOV > 25.0f)
return LOW_ZOOM;
return HIGH_ZOOM;
}
inline int CCSBot::GetHostageEscortCount() const
{
return m_hostageEscortCount;
}
inline void CCSBot::IncreaseHostageEscortCount()
{
++m_hostageEscortCount;
}
inline void CCSBot::ResetWaitForHostagePatience()
{
m_isWaitingForHostage = false;
m_inhibitWaitingForHostageTimer.Invalidate();
}
inline float CCSBot::GetFeetZ() const
{
if (IsCrouching())
{
const Vector crouch = Vector(0, 0, -StepHeight);
return (pev->origin + crouch).z;
}
else
{
const Vector stand = Vector(0, 0, -HalfHumanHeight);
return (pev->origin + stand).z;
}
}
inline const Vector *CCSBot::GetNoisePosition() const
{
if (m_noiseTimestamp > 0.0f)
return &m_noisePosition;
return NULL;
}
inline bool CCSBot::IsAwareOfEnemyDeath() const
{
if (GetEnemyDeathTimestamp() == 0.0f)
return false;
if (m_enemy == NULL)
return true;
if (!m_enemy->IsAlive() && gpGlobals->time - GetEnemyDeathTimestamp() > (1.0f - GetProfile()->GetSkill()))
return true;
return false;
}
inline bool CCSBot::IsNotMoving() const
{
const float stillSpeed = 10.0f;
return pev->velocity.IsLengthLessThan(stillSpeed);
}
inline bool CCSBot::HasAnyAmmo(CBasePlayerWeapon *weapon) const
{
return (weapon->m_iClip != 0 || m_rgAmmo[weapon->m_iPrimaryAmmoType] > 0);
}
class CollectRetreatSpotsFunctor
{
public:
CollectRetreatSpotsFunctor(CCSBot *me, float range)
{
m_me = me;
m_count = 0;
m_range = range;
}
enum { MAX_SPOTS = 256 };
bool operator()(CNavArea *area)
{
// collect all the hiding spots in this area
const HidingSpotList *list = area->GetHidingSpotList ();
FOR_EACH_LL ((*list), it)
{
const HidingSpot *spot = (*list)[it];
if (m_count >= MAX_SPOTS)
break;
// make sure hiding spot is in range
if (m_range > 0.0f)
{
if ((*spot->GetPosition() - m_me->pev->origin).IsLengthGreaterThan(m_range))
continue;
}
// if a Player is using this hiding spot, don't consider it
if (IsSpotOccupied(m_me, spot->GetPosition()))
{
// player is in hiding spot
// TODO: Check if player is moving or sitting still
continue;
}
// don't select spot if an enemy can see it
//if (UTIL_IsVisibleToTeam(*spot->GetPosition() + Vector(0, 0, HalfHumanHeight), OtherTeam(m_me->m_iTeam)))
//continue;
// don't select spot if it is closest to an enemy
CBasePlayer *owner = UTIL_GetClosestPlayer(spot->GetPosition());
//if (owner != NULL && m_me->m_iTeam != owner->m_iTeam)
//continue;
m_spot[ m_count++ ] = spot->GetPosition();
}
// if we've filled up, stop searching
if (m_count == MAX_SPOTS)
return false;
return true;
}
CCSBot *m_me;
float m_range;
const Vector *m_spot[ MAX_SPOTS ];
int m_count;
};
class FarthestHostage
{
public:
FarthestHostage(const CCSBot *me)
{
m_me = me;
m_farRange = -1.0f;
}
/*bool operator()(CHostage *hostage)
{
if (hostage->IsFollowing(m_me))
{
float range = (hostage->Center() - m_me->pev->origin).Length();
if (range > m_farRange)
{
m_farRange = range;
}
}
return true;
/*if (hostage->pev->takedamage != DAMAGE_YES)
return true;
if (hostage->m_improv != NULL)
{
if (!hostage->IsFollowingSomeone() || m_me != hostage->GetLeader())
return true;
}
else if (!hostage->IsFollowing(m_me))
return true;
float range = (hostage->Center() - m_me->pev->origin).Length();
if (range > m_farRange)
{
m_farRange = range;
}
return true;*/
//}*/
const CCSBot *m_me;
float m_farRange;
};
// Functor used with NavAreaBuildPath()
class PathCost
{
public:
PathCost(CCSBot *bot, RouteType route = SAFEST_ROUTE)
{
m_bot = bot;
m_route = route;
}
float operator()(CNavArea *area, CNavArea *fromArea, const CNavLadder *ladder)
{
const float baseDangerFactor = 100.0f;
// respond to the danger modulated by our aggression (even super-aggressives pay SOME attention to danger)
float dangerFactor = (1.0f - (0.95f * m_bot->GetProfile()->GetAggression())) * baseDangerFactor;
if (fromArea == NULL)
{
if (m_route == FASTEST_ROUTE)
return 0.0f;
// first area in path, cost is just danger
return dangerFactor;// * area->GetDanger(m_bot->m_iTeam - 1);
}
else if ((fromArea->GetAttributes() & NAV_JUMP) && (area->GetAttributes() & NAV_JUMP))
{
// cannot actually walk in jump areas - disallow moving from jump area to jump area
return -1.0f;
}
else
{
// compute distance from previous area to this area
float dist;
if (ladder)
{
// ladders are slow to use
const float ladderPenalty = 1.0f;
dist = ladderPenalty * ladder->m_length;
// if we are currently escorting hostages, avoid ladders (hostages are confused by them)
//if (m_bot->GetHostageEscortCount())
// dist *= 100.0f;
}
else
{
dist = (*area->GetCenter() - *fromArea->GetCenter()).Length();
}
// compute distance travelled along path so far
float cost = dist + fromArea->GetCostSoFar();
// zombies ignore all path penalties
if (cv_bot_zombie.value > 0.0f)
return cost;
// add cost of "jump down" pain unless we're jumping into water
if (!area->IsConnected(fromArea, NUM_DIRECTIONS))
{
// this is a "jump down" (one way drop) transition - estimate damage we will take to traverse it
float fallDistance = -fromArea->ComputeHeightChange(area);
// if it's a drop-down ladder, estimate height from the bottom of the ladder to the lower area
//if (ladder && ladder->m_bottom.z < fromArea->GetCenter()->z && ladder->m_bottom.z > area->GetCenter()->z)
//{
// fallDistance = ladder->m_bottom.z - area->GetCenter()->z;
//}
float fallDamage = m_bot->GetApproximateFallDamage(fallDistance);
if (fallDamage > 0.0f)
{
// if the fall would kill us, don't use it
const float deathFallMargin = 10.0f;
if (fallDamage + deathFallMargin >= m_bot->pev->health)
return -1.0f;
// if we need to get there in a hurry, ignore minor pain
const float painTolerance = 15.0f * m_bot->GetProfile()->GetAggression() + 10.0f;
if (m_route != FASTEST_ROUTE || fallDamage > painTolerance)
{
// cost is proportional to how much it hurts when we fall
// 10 points - not a big deal, 50 points - ouch!
cost += 100.0f * fallDamage * fallDamage;
}
}
}
// if this is a "crouch" area, add penalty
if (area->GetAttributes() & NAV_CROUCH)
{
// these areas are very slow to move through
float crouchPenalty = (m_route == FASTEST_ROUTE) ? 20.0f : 5.0f;
// avoid crouch areas if we are rescuing hostages
if (m_bot->GetHostageEscortCount())
{
crouchPenalty *= 3.0f;
}
cost += crouchPenalty * dist;
}
// if this is a "jump" area, add penalty
if (area->GetAttributes() & NAV_JUMP)
{
// jumping can slow you down
//const float jumpPenalty = (m_route == FASTEST_ROUTE) ? 100.0f : 0.5f;
const float jumpPenalty = 1.0f;
cost += jumpPenalty * dist;
}
if (m_route == SAFEST_ROUTE)
{
// add in the danger of this path - danger is per unit length travelled
cost += dist * dangerFactor;// * area->GetDanger(m_bot->m_iTeam - 1);
}
if (!m_bot->IsAttacking())
{
// add in cost of teammates in the way
// approximate density of teammates based on area
float size = (area->GetSizeX() + area->GetSizeY()) / 2.0f;
// degenerate check
if (size >= 1.0f)
{
// cost is proportional to the density of teammates in this area
const float costPerFriendPerUnit = 50000.0f;
//cost += costPerFriendPerUnit * (float)area->GetPlayerCount(m_bot->m_iTeam, m_bot) / size;
}
}
return cost;
}
return 0.0f;
}
private:
CCSBot *m_bot;
RouteType m_route;
};
class FollowTargetCollector
{
public:
FollowTargetCollector(CBasePlayer *player)
{
m_player = player;
m_forward.x = player->pev->velocity.x;
m_forward.y = player->pev->velocity.y;
float speed = m_forward.NormalizeInPlace();
const float walkSpeed = 100.0f;
if (speed < walkSpeed)
{
m_cutoff.x = player->pev->origin.x;
m_cutoff.y = player->pev->origin.y;
m_forward.x = 0.0f;
m_forward.y = 0.0f;
}
else
{
const float k = 1.5f;
float trimSpeed = (speed < 200.0f) ? speed : 200.0f;
m_cutoff.x = player->pev->origin.x + k * trimSpeed * m_forward.x;
m_cutoff.y = player->pev->origin.y + k * trimSpeed * m_forward.y;
}
m_targetAreaCount = 0;
}
enum { MAX_TARGET_AREAS = 128 };
/* <568dc3> ../cstrike/dlls/bot/states/cs_bot_follow.cpp:124 */
bool operator()(CNavArea *area)
{
if (m_targetAreaCount >= MAX_TARGET_AREAS)
return false;
// only use two-way connections
if (!area->GetParent() || area->IsConnected(area->GetParent(), NUM_DIRECTIONS))
{
if (m_forward.IsZero())
{
m_targetArea[ m_targetAreaCount++ ] = area;
}
else
{
// collect areas in the direction of the player's forward motion
Vector2D to(((*area->GetCenter()).x - m_cutoff.x), (*area->GetCenter()).y - m_cutoff.y);
to.NormalizeInPlace();
//if (DotProduct(to, m_forward) > 0.7071f)
if ((to.x * m_forward.x + to.y * m_forward.y) > 0.7071f)
m_targetArea[ m_targetAreaCount++ ] = area;
}
}
return (m_targetAreaCount < MAX_TARGET_AREAS);
}
CBasePlayer *m_player;
Vector2D m_forward;
Vector2D m_cutoff;
CNavArea *m_targetArea[ MAX_TARGET_AREAS ];
int m_targetAreaCount;
};
void InstallBotControl();
void Bot_ServerCommand();
void Bot_RegisterCvars();
int GetBotFollowCount(CBasePlayer *leader);
const Vector *FindNearbyRetreatSpot(CCSBot *me, float maxRange);
void drawProgressMeter(float progress, char *title);
void startProgressMeter(const char *title);
void hideProgressMeter();
bool isSniperRifle(CBasePlayerItem *item);
float StayOnLadderLine(CCSBot *me, const CNavLadder *ladder);
#endif // CS_BOT_H