Inna/CypherCore
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Scripts/FollowerAI: Some cleanup:

Browse Source 
Port From (https://github.com/TrinityCore/TrinityCore/commit/8c3eb07889f72955879c8a0e0881b51befb60067)
This commit is contained in:
hondacrx
2022-01-02 13:06:01 -05:00
parent c4bc8c6362
commit 4c0eb3f2e2
5 changed files with 85 additions and 146 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Source/Game/AI/ScriptedAI/ScriptedFollowerAI.cs
+74 -112
View File
@@ -18,19 +18,19 @@
using Framework.Constants;
using Game.Entities;
using Game.Groups;
using Game.Maps;
using System;
namespace Game.AI
{
enum FollowState
{
None = 0x000,
Inprogress = 0x001, //must always have this state for any follow
Returning = 0x002, //when returning to combat start after being in combat
Paused = 0x004, //disables following
Complete = 0x008, //follow is completed and may end
PreEvent = 0x010, //not implemented (allow pre event to run, before follow is initiated)
PostEvent = 0x020 //can be set at complete and allow post event to run
None = 0x00,
Inprogress = 0x01, //must always have this state for any follow
Paused = 0x02, //disables following
Complete = 0x04, //follow is completed and may end
PreEvent = 0x08, //not implemented (allow pre event to run, before follow is initiated)
PostEvent = 0x10 //can be set at complete and allow post event to run
}
class FollowerAI : ScriptedAI
@@ -38,45 +38,17 @@ namespace Game.AI
ObjectGuid _leaderGUID;
uint _updateFollowTimer;
FollowState _followState;
Quest _questForFollow; //normally we have a quest
uint _questForFollow;
public FollowerAI(Creature creature) : base(creature)
{
_updateFollowTimer = 2500;
_followState = FollowState.None;
_questForFollow = null;
}
public override void MovementInform(MovementGeneratorType motionType, uint pointId)
{
if (motionType != MovementGeneratorType.Point || !HasFollowState(FollowState.Inprogress))
return;
if (pointId == 0xFFFFFF)
{
if (GetLeaderForFollower())
{
if (!HasFollowState(FollowState.Paused))
AddFollowState(FollowState.Returning);
}
else
me.DespawnOrUnsummon();
}
}
public override void AttackStart(Unit who)
{
base.AttackStart(who);
}
public override void MoveInLineOfSight(Unit who)
{
// TODO: what in the world is this?
if (me.HasReactState(ReactStates.Aggressive) && !me.HasUnitState(UnitState.Stunned) && who.IsTargetableForAttack() && who.IsInAccessiblePlaceFor(me))
return;
if (HasFollowState(FollowState.Inprogress) && AssistPlayerInCombatAgainst(who))
if (HasFollowState(FollowState.Inprogress) && !ShouldAssistPlayerInCombatAgainst(who))
return;
base.MoveInLineOfSight(who);
@@ -84,7 +56,7 @@ namespace Game.AI
public override void JustDied(Unit killer)
{
if (!HasFollowState(FollowState.Inprogress) || _leaderGUID.IsEmpty() || _questForFollow == null)
if (!HasFollowState(FollowState.Inprogress) || _leaderGUID.IsEmpty() || _questForFollow == 0)
return;
// @todo need a better check for quests with time limit.
@@ -99,59 +71,39 @@ namespace Game.AI
Player member = groupRef.GetSource();
if (member)
if (member.IsInMap(player))
member.FailQuest(_questForFollow.Id);
member.FailQuest(_questForFollow);
}
}
else
player.FailQuest(_questForFollow.Id);
player.FailQuest(_questForFollow);
}
}
public override void JustAppeared()
public override void JustReachedHome()
{
_followState = FollowState.None;
if (!IsCombatMovementAllowed())
SetCombatMovement(true);
if (me.GetFaction() != me.GetCreatureTemplate().Faction)
me.SetFaction(me.GetCreatureTemplate().Faction);
Reset();
}
public override void EnterEvadeMode(EvadeReason why)
{
if (!me.IsAlive())
{
EngagementOver();
if (!HasFollowState(FollowState.Inprogress))
return;
}
me.RemoveAllAuras();
me.CombatStop(true);
me.SetLootRecipient(null);
me.SetCannotReachTarget(false);
me.DoNotReacquireTarget();
EngagementOver();
if (HasFollowState(FollowState.Inprogress))
Player player = GetLeaderForFollower();
if (player != null)
{
Log.outDebug(LogFilter.Scripts, "FollowerAI left combat, returning to CombatStartPosition.");
if (me.HasUnitState(UnitState.Chase))
me.GetMotionMaster().Remove(MovementGeneratorType.Chase);
if (HasFollowState(FollowState.Paused))
return;
me.GetMotionMaster().MoveFollow(player, SharedConst.PetFollowDist, SharedConst.PetFollowAngle);
}
else
me.GetMotionMaster().MoveTargetedHome();
me.DespawnOrUnsummon();
}
Reset();
public override void OwnerAttackedBy(Unit attacker)
{
if (!me.HasReactState(ReactStates.Passive) && ShouldAssistPlayerInCombatAgainst(attacker))
me.EngageWithTarget(attacker);
}
public override void UpdateAI(uint uiDiff)
{
if (HasFollowState(FollowState.Inprogress) && !me.GetVictim())
if (HasFollowState(FollowState.Inprogress) && !me.IsEngaged())
{
if (_updateFollowTimer <= uiDiff)
{
@@ -162,43 +114,49 @@ namespace Game.AI
return;
}
bool bIsMaxRangeExceeded = true;
bool maxRangeExceeded = true;
bool questAbandoned = (_questForFollow != 0);
Player player = GetLeaderForFollower();
if (player)
{
if (HasFollowState(FollowState.Returning))
{
Log.outDebug(LogFilter.Scripts, "FollowerAI is returning to leader.");
RemoveFollowState(FollowState.Returning);
me.GetMotionMaster().MoveFollow(player, SharedConst.PetFollowDist, SharedConst.PetFollowAngle);
return;
}
Group group = player.GetGroup();
if (group)
{
for (GroupReference groupRef = group.GetFirstMember(); groupRef != null; groupRef = groupRef.Next())
for (GroupReference groupRef = group.GetFirstMember(); groupRef != null && (maxRangeExceeded || questAbandoned); groupRef = groupRef.Next())
{
Player member = groupRef.GetSource();
if (member && me.IsWithinDistInMap(member, 100.0f))
if (member == null)
continue;
if (maxRangeExceeded && me.IsWithinDistInMap(member, 100.0f))
maxRangeExceeded = false;
if (questAbandoned)
{
bIsMaxRangeExceeded = false;
break;
QuestStatus status = member.GetQuestStatus(_questForFollow);
if ((status == QuestStatus.Complete) || (status == QuestStatus.Incomplete))
questAbandoned = false;
}
}
}
else
{
if (me.IsWithinDistInMap(player, 100.0f))
bIsMaxRangeExceeded = false;
maxRangeExceeded = false;
if (questAbandoned)
{
QuestStatus status = player.GetQuestStatus(_questForFollow);
if ((status == QuestStatus.Complete) || (status == QuestStatus.Incomplete))
questAbandoned = false;
}
}
}
if (bIsMaxRangeExceeded)
if (maxRangeExceeded || questAbandoned)
{
Log.outDebug(LogFilter.Scripts, "FollowerAI failed because player/group was to far away or not found");
Log.outDebug(LogFilter.Scripts, $"FollowerAI::UpdateAI: failed because player/group was to far away or not found ({me.GetGUID()})");
me.DespawnOrUnsummon();
return;
}
@@ -222,15 +180,26 @@ namespace Game.AI
public void StartFollow(Player player, uint factionForFollower = 0, Quest quest = null)
{
if (me.GetVictim())
Map map = me.GetMap();
if (map != null)
{
Log.outDebug(LogFilter.Scripts, "FollowerAI attempt to StartFollow while in combat.");
CreatureData cdata = me.GetCreatureData();
if (cdata != null)
{
if (WorldConfig.GetBoolValue(WorldCfg.RespawnDynamicEscortNpc) && cdata.spawnGroupData.flags.HasFlag(SpawnGroupFlags.EscortQuestNpc))
me.SaveRespawnTime(me.GetRespawnDelay());
}
}
if (me.IsEngaged())
{
Log.outDebug(LogFilter.Scripts, $"FollowerAI::StartFollow: attempt to StartFollow while in combat. ({me.GetGUID()})");
return;
}
if (HasFollowState(FollowState.Inprogress))
{
Log.outError(LogFilter.Scenario, "FollowerAI attempt to StartFollow while already following.");
Log.outError(LogFilter.Scenario, $"FollowerAI::StartFollow: attempt to StartFollow while already following. ({me.GetGUID()})");
return;
}
@@ -240,7 +209,7 @@ namespace Game.AI
if (factionForFollower != 0)
me.SetFaction(factionForFollower);
_questForFollow = quest;
_questForFollow = quest.Id;
me.GetMotionMaster().Clear(MovementGeneratorPriority.Normal);
me.PauseMovement();
@@ -252,7 +221,7 @@ namespace Game.AI
me.GetMotionMaster().MoveFollow(player, SharedConst.PetFollowDist, SharedConst.PetFollowAngle);
Log.outDebug(LogFilter.Scripts, "FollowerAI start follow {0} ({1})", player.GetName(), _leaderGUID.ToString());
Log.outDebug(LogFilter.Scripts, $"FollowerAI::StartFollow: start follow {player.GetName()} - {_leaderGUID} ({me.GetGUID()})");
}
public void SetFollowPaused(bool paused)
@@ -310,7 +279,7 @@ namespace Game.AI
Player member = groupRef.GetSource();
if (member && me.IsWithinDistInMap(member, 100.0f) && member.IsAlive())
{
Log.outDebug(LogFilter.Scripts, "FollowerAI GetLeader changed and returned new leader.");
Log.outDebug(LogFilter.Scripts, $"FollowerAI::GetLeaderForFollower: GetLeader changed and returned new leader. ({me.GetGUID()})");
_leaderGUID = member.GetGUID();
return member;
}
@@ -319,29 +288,22 @@ namespace Game.AI
}
}
Log.outDebug(LogFilter.Scripts, "FollowerAI GetLeader can not find suitable leader.");
Log.outDebug(LogFilter.Scripts, $"FollowerAI::GetLeaderForFollower: GetLeader can not find suitable leader. ({me.GetGUID()})");
return null;
}
//This part provides assistance to a player that are attacked by who, even if out of normal aggro range
//It will cause me to attack who that are attacking _any_ player (which has been confirmed may happen also on offi)
//The flag (type_flag) is unconfirmed, but used here for further research and is a good candidate.
bool AssistPlayerInCombatAgainst(Unit who)
bool ShouldAssistPlayerInCombatAgainst(Unit who)
{
if (!who || !who.GetVictim())
return false;
if (me.HasReactState(ReactStates.Passive))
return false;
//experimental (unknown) flag not present
if (!me.GetCreatureTemplate().TypeFlags.HasAnyFlag(CreatureTypeFlags.CanAssist))
return false;
//not a player
if (!who.GetVictim().GetCharmerOrOwnerPlayerOrPlayerItself())
return false;
if (!who.IsInAccessiblePlaceFor(me))
return false;
@@ -361,18 +323,18 @@ namespace Game.AI
return false;
//too far away and no free sight?
if (me.IsWithinDistInMap(who, 100.0f) && me.IsWithinLOSInMap(who))
{
me.EngageWithTarget(who);
return true;
}
if (!me.IsWithinDistInMap(who, 100.0f) || !me.IsWithinLOSInMap(who))
return false;
return false;
return true;
}
public override bool IsEscorted() { return HasFollowState(FollowState.Inprogress); }
bool HasFollowState(FollowState uiFollowState) { return (_followState & uiFollowState) != 0; }
void AddFollowState(FollowState uiFollowState) { _followState |= uiFollowState; }
void RemoveFollowState(FollowState uiFollowState) { _followState &= ~uiFollowState; }
}
}