/// <summary>
/// Selects a random combat maneuver for a monster's next attack
/// </summary>
public MotionCommand?GetCombatManeuver()
{
// similar to Player.GetSwingAnimation(), more logging
if (CombatTable == null)
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - CombatTable is null");
return(null);
}
//ShowCombatTable();
var motionTable = DatManager.PortalDat.ReadFromDat <DatLoader.FileTypes.MotionTable>(MotionTableId);
if (motionTable == null)
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - motionTable is null");
return(null);
}
if (!CombatTable.Stances.TryGetValue(CurrentMotionState.Stance, out var stanceManeuvers))
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
return(null);
}
var stanceKey = (uint)CurrentMotionState.Stance << 16 | ((uint)MotionCommand.Ready & 0xFFFFF);
motionTable.Links.TryGetValue(stanceKey, out var motions);
if (motions == null)
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find stance {CurrentMotionState.Stance} in MotionTable {MotionTableId:X8}");
return(null);
}
// choose a random attack height?
// apparently this might have been based on monster Z vs. player Z?
// 28659 - Uber Penguin (CMT 30000040) doesn't have High attack height
// do a more thorough investigation for this...
var startHeight = stanceManeuvers.Table.Count == 3 ? 1 : 2;
AttackHeight = (AttackHeight)ThreadSafeRandom.Next(startHeight, 3);
if (!stanceManeuvers.Table.TryGetValue(AttackHeight.Value, out var attackTypes))
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find attack height {AttackHeight} for stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
return(null);
}
if (IsDualWieldAttack)
{
DualWieldAlternate = !DualWieldAlternate;
}
var offhand = IsDualWieldAttack && !DualWieldAlternate;
var weapon = GetEquippedMeleeWeapon();
// monsters supposedly always used 0.5 PowerLevel according to anon docs,
// which translates into a 1.0 PowerMod
if (weapon != null)
{
AttackType = weapon.GetAttackType(CurrentMotionState.Stance, 0.5f, offhand);
}
else
{
if (AttackHeight != ACE.Entity.Enum.AttackHeight.Low)
{
AttackType = AttackType.Punch;
}
else
{
AttackType = AttackType.Kick;
}
}
if (!attackTypes.Table.TryGetValue(AttackType, out var maneuvers) || maneuvers.Count == 0)
{
if (AttackType == AttackType.Kick)
{
AttackType = AttackType.Punch;
if (!attackTypes.Table.TryGetValue(AttackType, out maneuvers) || maneuvers.Count == 0)
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find attack type Kick or Punch for attack height {AttackHeight} and stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
return(null);
}
}
else if (AttackType.IsMultiStrike())
{
var reduced = AttackType.ReduceMultiStrike();
if (!attackTypes.Table.TryGetValue(reduced, out maneuvers) || maneuvers.Count == 0)
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find attack type {reduced} for attack height {AttackHeight} and stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
return(null);
}
//else
//log.Info($"{Name} ({Guid}).GetCombatManeuver() - successfully reduced attack type {AttackType} to {reduced} for attack height {AttackHeight} and stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
}
else
{
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find attack type {AttackType} for attack height {AttackHeight} and stance {CurrentMotionState.Stance} in CMT {CombatTableDID:X8}");
return(null);
}
}
var motionCommand = maneuvers[0];
if (maneuvers.Count > 1)
{
// only used for special attacks?
// note that with rolling for AttackHeight first,
// for a CMT with high, med, med-special, and low
// the chance of rolling the special attack is reduced from 1/4 to 1/6 -- investigate
var rng = ThreadSafeRandom.Next(0, maneuvers.Count - 1);
motionCommand = maneuvers[rng];
}
// ensure this motionCommand exists in monster's motion table
if (!motions.ContainsKey((uint)motionCommand))
{
// for some reason, the combat maneuvers table can return stance motions that don't exist in the motion table
// ie. skeletons (combat maneuvers table 0x30000000, motion table 0x09000025)
// for sword combat, they have double and triple strikes (dagger / two-handed only?)
if (motionCommand.IsMultiStrike())
{
var singleStrike = motionCommand.ReduceMultiStrike();
if (motions.ContainsKey((uint)singleStrike))
{
//log.Info($"{Name} ({Guid}).GetCombatManeuver() - successfully reduced {motionCommand} to {singleStrike}");
return(singleStrike);
}
}
else if (motionCommand.IsSubsequent())
{
var firstCommand = motionCommand.ReduceSubsequent();
if (motions.ContainsKey((uint)firstCommand))
{
//log.Info($"{Name} ({Guid}).GetCombatManeuver() - successfully reduced {motionCommand} to {firstCommand}");
return(firstCommand);
}
}
log.Error($"{Name} ({Guid}).GetCombatManeuver() - couldn't find {motionCommand} in MotionTable {MotionTableId:X8}");
return(null);
}
//Console.WriteLine(motionCommand);
return(motionCommand);
}