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source/TacticalAI/ai.h
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silversurfer dcf8b3abaf AI improvements (by Sevenfm): 
Bugfixes:
- Fix: Watched Locations system (never worked in 1.13)
- Fix: LineOfSight test with NO_DISTANCE_LIMIT (stopped on trees previously)

AI/tactical improvements:
- EstimateThrowDamage additionally calculates damage from fragments (important for AI to use frag grenades with low main damage and many fragments)
- EstimateThrowDamage correctly adds IndoorModifier
- Additional checks for RED suppression (check that the soldier will not shoot his friends, check that he has extra clip to reload weapon, check that target is not cowering, don't suppress when flanking)
- ClosestReachableDisturbance will use general noise only if cannot find any enemy
- Allow RED seeking in prone stance if we haven't seen enemy for several turns

Flanking improvements:
- allow YELLOW flanking for CLOSEPATROL at night
- better YELLOW/RED flanking start/stop conditions
- better RED AI behavior when finished flanking (try to reach flanking spot)
- allow RED flanking for CLOSEPATROL soldiers when at night, overcrowded or no other flanking soldiers yet

Optional AI improvements:
AI_EXTRA_SUPPRESSION
- AI will use suppression fire more often in RED state (set minimum AI CTH to 1)

AI_NEW_MORALE
- Better dynamic morale calculation depending on tactical situation.
- Additional min/max limits for AI morale
- Disabled HOPELESS morale for soldiers without guns (they can pick up weapon or attack with hands sometimes)

AI_BETTER_COVER
- Additional checks for line of sight, fresh corpses and overcrowded locations

AI_EXTRA_FLANKING
- Allow flanking for BRAVEAID/BRAVESOLO

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@8006 3b4a5df2-a311-0410-b5c6-a8a6f20db521
2015-12-19 14:22:47 +00:00

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#ifndef __AI_H
#define __AI_H
#include "types.h"
#include "worlddef.h"
#include "Soldier Control.h"
#define TESTAICONTROL
extern INT16 gubAIPathCosts[19][19];
#define AI_PATHCOST_RADIUS 9
extern BOOLEAN gfDisplayCoverValues;
//extern INT16 gsCoverValue[WORLD_MAX];
extern INT16 * gsCoverValue;
// AI actions
enum CreatureCalls
{
CALL_NONE = 0,
CALL_1_PREY,
CALL_MULTIPLE_PREY,
CALL_ATTACKED,
CALL_CRIPPLED,
NUM_CREATURE_CALLS
} ;
#define DONTFORCE 0
#define FORCE 1
// ANY NEW ACTIONS ADDED - UPDATE OVERHEAD.C ARRAY WITH ACTION'S STRING VALUE
#define FIRST_MOVEMENT_ACTION AI_ACTION_RANDOM_PATROL
#define LAST_MOVEMENT_ACTION AI_ACTION_MOVE_TO_CLIMB
typedef enum
{
AI_ACTION_NONE = 0, // maintain current position & facing
// actions that involve a move to another tile
AI_ACTION_RANDOM_PATROL, // move towards a random destination
AI_ACTION_SEEK_FRIEND, // move towards friend in trouble
AI_ACTION_SEEK_OPPONENT, // move towards a reported opponent
AI_ACTION_TAKE_COVER, // run for nearest cover from threat
AI_ACTION_GET_CLOSER, // move closer to a strategic location
AI_ACTION_POINT_PATROL, // move towards next patrol point
AI_ACTION_LEAVE_WATER_GAS, // seek nearest spot of ungassed land
AI_ACTION_SEEK_NOISE, // seek most important noise heard
AI_ACTION_ESCORTED_MOVE, // go where told to by escortPlayer
AI_ACTION_RUN_AWAY, // run away from nearby opponent(s)
AI_ACTION_KNIFE_MOVE, // preparing to stab an opponent
AI_ACTION_APPROACH_MERC, // move up to a merc in order to talk with them; RT
AI_ACTION_TRACK, // track a scent
AI_ACTION_EAT, // monster eats corpse
AI_ACTION_PICKUP_ITEM, // grab things lying on the ground
AI_ACTION_SCHEDULE_MOVE, // move according to schedule
AI_ACTION_WALK, // walk somewhere (NPC stuff etc)
AI_ACTION_RUN, // run somewhere (NPC stuff etc)
AI_ACTION_WITHDRAW, // back off
AI_ACTION_FLANK_LEFT, // move to the left
AI_ACTION_FLANK_RIGHT, // move to the right
AI_ACTION_MOVE_TO_CLIMB, // move to edge of roof/building
// miscellaneous movement actions
AI_ACTION_CHANGE_FACING, // turn to face a different direction
AI_ACTION_CHANGE_STANCE, // stand, crouch, or go prone
// actions related to items and attacks
AI_ACTION_YELLOW_ALERT, // tell friends opponent(s) heard
AI_ACTION_RED_ALERT, // tell friends opponent(s) seen
AI_ACTION_CREATURE_CALL, // creature communication
AI_ACTION_PULL_TRIGGER, // go off to activate a panic trigger
AI_ACTION_USE_DETONATOR, // grab detonator and set off bomb(s)
AI_ACTION_FIRE_GUN, // shoot at nearby opponent
AI_ACTION_TOSS_PROJECTILE, // throw grenade at/near opponent(s)
AI_ACTION_KNIFE_STAB, // during the actual knifing attack
AI_ACTION_THROW_KNIFE, // throw a knife
AI_ACTION_GIVE_AID, // help injured/dying friend
AI_ACTION_WAIT, // RT: don't do anything for a certain length of time
AI_ACTION_PENDING_ACTION, // RT: wait for pending action (pickup, door open, etc) to finish
AI_ACTION_DROP_ITEM, // duh
AI_ACTION_COWER, // for civilians: cower in fear and stay there!
AI_ACTION_STOP_COWERING, // stop cowering
AI_ACTION_OPEN_OR_CLOSE_DOOR, // schedule-provoked; open or close door
AI_ACTION_UNLOCK_DOOR, // schedule-provoked; unlock door (don't open)
AI_ACTION_LOCK_DOOR, // schedule-provoked; lock door (close if necessary)
AI_ACTION_LOWER_GUN, // lower gun prior to throwing knife
AI_ACTION_ABSOLUTELY_NONE, // like "none" but can't be converted to a wait by realtime
AI_ACTION_CLIMB_ROOF, // climb up or down roof
AI_ACTION_END_TURN, // end turn (after final stance change)
AI_ACTION_END_COWER_AND_MOVE, // sort of dummy value, special for civilians who are to go somewhere at end of battle
AI_ACTION_TRAVERSE_DOWN, // move down a level
AI_ACTION_OFFER_SURRENDER, // offer surrender to the player
AI_ACTION_RAISE_GUN,
AI_ACTION_STEAL_MOVE, // added by SANDRO
AI_ACTION_RELOAD_GUN,
AI_ACTION_JUMP_WINDOW, // added by Flugente: jump through a window
AI_ACTION_FREE_PRISONER, // added by Flugente: free a prisoner
AI_ACTION_USE_SKILL, // added by Flugente: perform a skill, which one is stored in usAISkillUse
AI_ACTION_DOCTOR, // added by Flugente: AI-ONLY! bandage/surgery on fellow AI. DO NOT USE THIS FOR MERCS!!!
AI_ACTION_DOCTOR_SELF, // added by Flugente: AI-ONLY! bandage/surgery on self. DO NOT USE THIS FOR MERCS!!!
} ActionType;
enum QuoteActionType
{
QUOTE_ACTION_ID_CHECKFORDEST = 1,
QUOTE_ACTION_ID_TURNTOWARDSPLAYER,
QUOTE_ACTION_ID_DRAWGUN,
QUOTE_ACTION_ID_LOWERGUN,
QUOTE_ACTION_ID_TRAVERSE_EAST,
QUOTE_ACTION_ID_TRAVERSE_SOUTH,
QUOTE_ACTION_ID_TRAVERSE_WEST,
QUOTE_ACTION_ID_TRAVERSE_NORTH,
} ;
#define RTP_COMBAT_AGGRESSIVE 1
#define RTP_COMBAT_CONSERVE 2
#define RTP_COMBAT_REFRAIN 3
// NB THESE THREE FLAGS SHOULD BE REMOVED FROM CODE
#define AI_RTP_OPTION_CAN_RETREAT 0x01
#define AI_RTP_OPTION_CAN_SEEK_COVER 0x02
#define AI_RTP_OPTION_CAN_HELP 0x04
#define AI_CAUTIOUS 0x08
#define AI_HANDLE_EVERY_FRAME 0x10
#define AI_ASLEEP 0x20
#define AI_LOCK_DOOR_INCLUDES_CLOSE 0x40
#define AI_CHECK_SCHEDULE 0x80
#define NOT_NEW_SITUATION 0
#define WAS_NEW_SITUATION 1
#define IS_NEW_SITUATION 2
#define DIFF_ENEMY_EQUIP_MOD 0
#define DIFF_ENEMY_TO_HIT_MOD 1
#define DIFF_ENEMY_INTERRUPT_MOD 2
#define DIFF_RADIO_RED_ALERT 3
#define DIFF_MAX_COVER_RANGE 4
#define MAX_DIFF_PARMS 5 // how many different difficulty variables?
extern INT8 gbDiff[MAX_DIFF_PARMS][5];
void ActionDone(SOLDIERTYPE *pSoldier);
INT16 ActionInProgress(SOLDIERTYPE *pSoldier);
INT8 CalcMorale(SOLDIERTYPE *pSoldier);
INT32 CalcPercentBetter(INT32 iOldValue, INT32 iNewValue, INT32 iOldScale, INT32 iNewScale);
void CallAvailableEnemiesTo(INT32 sGridNo);
void CallAvailableKingpinMenTo( INT32 sGridNo );
void CallAvailableTeamEnemiesTo( INT32 sGridNo, INT8 bTeam );
void CallEldinTo( INT32 sGridNo );
void CancelAIAction(SOLDIERTYPE *pSoldier, UINT8 ubForce);
void CheckForChangingOrders(SOLDIERTYPE *pSoldier );
INT8 ClosestPanicTrigger( SOLDIERTYPE * pSoldier );
INT32 ClosestKnownOpponent(SOLDIERTYPE *pSoldier, INT32 * psGridNo, INT8 * pbLevel);
INT32 ClosestPC( SOLDIERTYPE *pSoldier, INT32 * psDistance );
INT32 ClosestUnDisguisedPC( SOLDIERTYPE *pSoldier, INT32 * psDistance ); // Flugente: like ClosestPC(...), but does not account for covert or not visible mercs
BOOLEAN CanAutoBandage( BOOLEAN fDoFullCheck );
void DebugAI( STR szOutput );
INT8 DecideAction(SOLDIERTYPE *pSoldier);
INT8 DecideActionBlack(SOLDIERTYPE *pSoldier);
INT8 DecideActionEscort(SOLDIERTYPE *pSoldier);
INT8 DecideActionGreen(SOLDIERTYPE *pSoldier);
INT8 DecideActionRed(SOLDIERTYPE *pSoldier, UINT8 ubUnconsciousOK);
INT8 DecideActionYellow(SOLDIERTYPE *pSoldier);
INT16 DistanceToClosestFriend( SOLDIERTYPE * pSoldier );
void EndAIDeadlock(void);
void EndAIGuysTurn( SOLDIERTYPE *pSoldier );
INT8 ExecuteAction(SOLDIERTYPE *pSoldier);
INT32 FindAdjacentSpotBeside(SOLDIERTYPE *pSoldier, INT32 sGridNo);
INT32 FindBestNearbyCover(SOLDIERTYPE *pSoldier, INT32 morale, INT32 *pPercentBetter);
INT32 FindClosestDoor( SOLDIERTYPE * pSoldier );
INT32 FindNearbyPointOnEdgeOfMap( SOLDIERTYPE * pSoldier, INT8 * pbDirection );
INT32 FindNearestEdgePoint( INT32 sGridNo );
INT32 FindNearestPassableSpot( INT32 sGridNo, UINT8 usSearchRadius = 5 );
//Kris: Added these as I need specific searches on certain sides.
enum
{
NORTH_EDGEPOINT_SEARCH,
EAST_EDGEPOINT_SEARCH,
SOUTH_EDGEPOINT_SEARCH,
WEST_EDGEPOINT_SEARCH,
};
INT32 FindNearestEdgepointOnSpecifiedEdge( INT32 sGridNo, INT8 bEdgeCode );
INT32 FindNearestUngassedLand(SOLDIERTYPE *pSoldier);
BOOLEAN FindRoofClimbingPoints( SOLDIERTYPE * pSoldier, INT16 sDesiredSpot );
INT32 FindSpotMaxDistFromOpponents(SOLDIERTYPE *pSoldier);
INT32 FindSweetCoverSpot(SOLDIERTYPE *pSoldier);
void FreeUpNPCFromAttacking(UINT8 ubID);
void FreeUpNPCFromPendingAction( SOLDIERTYPE * pSoldier );
void FreeUpNPCFromTurning(SOLDIERTYPE *pSoldier, INT8 bLook);
void FreeUpNPCFromStanceChange(SOLDIERTYPE *pSoldier );
void FreeUpNPCFromLoweringGun( SOLDIERTYPE *pSoldier );
void FreeUpNPCFromRoofClimb(SOLDIERTYPE *pSoldier );
UINT8 GetClosestOpponent( SOLDIERTYPE *pSoldier );
UINT8 GetMostThreateningOpponent( SOLDIERTYPE *pSoldier );
void HandleSoldierAI( SOLDIERTYPE *pSoldier );
void HandleInitialRedAlert( INT8 bTeam, UINT8 ubCommunicate);
void InitPanicSystem();
INT16 InWaterOrGas(SOLDIERTYPE *pSoldier, INT32 sGridno);
BOOLEAN IsActionAffordable(SOLDIERTYPE *pSoldier);
BOOLEAN InitAI( void );
void MakeClosestEnemyChosenOne();
void ManChecksOnFriends(SOLDIERTYPE *pSoldier);
void NewDest(SOLDIERTYPE *pSoldier, INT32 sGridNo);
INT32 NextPatrolPoint(SOLDIERTYPE *pSoldier);
INT8 PanicAI(SOLDIERTYPE *pSoldier, UINT8 ubCanMove);
void HaltMoveForSoldierOutOfPoints(SOLDIERTYPE *pSoldier);
INT32 RandDestWithinRange(SOLDIERTYPE *pSoldier);
INT16 RandomFriendWithin(SOLDIERTYPE *pSoldier);
INT16 RoamingRange(SOLDIERTYPE *pSoldier, INT32 *pFromGridNo);
void SetCivilianDestination(UINT8 ubWho, INT32 sGridNo);
void SetNewSituation( SOLDIERTYPE * pSoldier );
UINT8 SoldierDifficultyLevel( SOLDIERTYPE * pSoldier );
void SoldierTriesToContinueAlongPath(SOLDIERTYPE *pSoldier);
void StartNPCAI(SOLDIERTYPE *pSoldier);
void TempHurt(SOLDIERTYPE *pVictim, SOLDIERTYPE *pAttacker);
int TryToResumeMovement(SOLDIERTYPE *pSoldier, INT32 sGridNo);
BOOLEAN ValidCreatureTurn( SOLDIERTYPE * pCreature, INT8 bNewDirection );
BOOLEAN WearGasMaskIfAvailable( SOLDIERTYPE * pSoldier );
INT16 WhatIKnowThatPublicDont(SOLDIERTYPE *pSoldier, UINT8 ubInSightOnly);
INT32 FindClosestClimbPoint (SOLDIERTYPE *pSoldier, BOOLEAN fClimbUp );
INT32 FindFlankingSpot(SOLDIERTYPE *pSoldier, INT32 sPos, INT8 bAction );
BOOLEAN CanClimbFromHere (SOLDIERTYPE * pSoldier, BOOLEAN fUp );
// HEADROCK HAM 3.6: Adding includes for A* cover calculations
INT8 CalcWorstCTGTForPosition( SOLDIERTYPE * pSoldier, UINT8 ubOppID, INT32 sOppGridNo, INT8 bLevel, INT32 iMyAPsLeft );
INT8 CalcBestCTGT( SOLDIERTYPE *pSoldier, UINT8 ubOppID, INT32 sOppGridNo, INT8 bLevel, INT32 iMyAPsLeft );
INT8 CalcAverageCTGTForPosition( SOLDIERTYPE * pSoldier, UINT8 ubOppID, INT32 sOppGridNo, INT8 bLevel, INT32 iMyAPsLeft );
UINT8 NumberOfTeamMatesAdjacent( SOLDIERTYPE * pSoldier, INT32 sGridNo );
// Flugente: get the id of the closest soldier (coser than x tiles) of a specific team with a specific flag that we can currently see
UINT8 GetClosestFlaggedSoldierID( SOLDIERTYPE * pSoldier, INT16 aRange, UINT8 auTeam, UINT32 aFlag, BOOLEAN fCheckSight = TRUE );
// get the id of the closest soldier (closer than x tiles) of a specific team that is wounded that we can currently see
UINT8 GetClosestWoundedSoldierID( SOLDIERTYPE * pSoldier, INT16 aRange, UINT8 auTeam );
// get the id of the closest medic (closer than x tiles) of a specific team
UINT8 GetClosestMedicSoldierID( SOLDIERTYPE * pSoldier, INT16 aRange, UINT8 auTeam );
// sevenfm:
INT16 MaxNormalVisionDistance( void );
UINT8 CountFriendsInDirection( SOLDIERTYPE *pSoldier, INT32 sTargetGridNo );
BOOLEAN GuySawEnemyThisTurnOrBefore( SOLDIERTYPE * pSoldier );
BOOLEAN CheckSuppressionDirection( SOLDIERTYPE *pSoldier, INT32 sTargetGridNo );
UINT8 CountNearbyFriendlies( SOLDIERTYPE *pSoldier, INT32 sGridNo, UINT8 ubDistance );
UINT8 CountNearbyFriendliesLastAttackHit( SOLDIERTYPE *pSoldier, INT32 sGridNo, UINT8 ubDistance );
UINT8 CountFriendsFlankSeek( SOLDIERTYPE *pSoldier );
UINT8 CountNearbyFriendliesContact( SOLDIERTYPE *pSoldier, INT32 sGridNo, UINT8 ubDistance );
UINT8 CountNearbyFriendliesNoContact( SOLDIERTYPE *pSoldier, INT32 sGridNo, UINT8 ubDistance );
BOOLEAN AICheckFriendsNoContact( SOLDIERTYPE *pSoldier );
INT8 CalcMoraleNew(SOLDIERTYPE *pSoldier);
// moved from DecideAction.cpp
// sevenfm: set MAX_FLANKS_RED and MAX_FLANKS_YELLOW to equal values to avoid problems when soldier's alert state changes
#define MAX_FLANKS_RED 25
#define MAX_FLANKS_YELLOW 25
// limit min/max flank distance depending on sight range and time of day
#define MIN_FLANK_DIST_YELLOW (gGameExternalOptions.ubStraightSightRange * STRAIGHT_RATIO)
#define MAX_FLANK_DIST_YELLOW (MaxNormalVisionDistance() + 20)
// limit min/max flank distance depending on sight range and time of day
#define MIN_FLANK_DIST_RED (gGameExternalOptions.ubStraightSightRange * STRAIGHT_RATIO)
#define MAX_FLANK_DIST_RED (MaxNormalVisionDistance() + 20)
#endif
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