private void FiringUpdate()
{
// If SpellTarget is out of range - switch to abort state
if (Spell.RangeBehaviour == Spell.TargetRangeBehaviour.AbortWhenOutOfRange &&
!TargetUtility.IsInRange(Source, CastTarget, _minRange, _maxRange))
{
Abort();
return;
}
var canStopFiring = true;
for (var i = _children.Count - 1; i >= 0; i--)
{
var subProcessor = _children[i];
subProcessor.Update();
// Remove inactive SubSpells
if (!subProcessor.IsActive)
{
_children.RemoveAt(i);
}
else if (subProcessor.SubSpell.SpellShouldWaitUntilEnd)
{
canStopFiring = false;
}
}
if (canStopFiring)
{
_state = SpellState.Finilizing;
Event?.Invoke(this, SpellEvent.FinishedFire, null);
}
}
// Proxy targeting for special range handling
private Vector3?GetTargetLocation()
{
// If target is invalid, we can't update proxy
if (!_originalTarget.IsValid || !_originalTarget.HasPosition)
{
return(null);
}
// If source is invalid, we can't update proxy
if (!Source.IsValid || !Source.HasPosition)
{
return(null);
}
var desired = _originalTarget.Position;
var source = Source.Position;
var dir = new Vector3(desired.x - source.x, 0, desired.z - source.z);
var distance = dir.magnitude;
dir.Normalize();
switch (Spell.RangeBehaviour)
{
case Spell.TargetRangeBehaviour.RetargetClampToRange:
desired = source + dir * Mathf.Clamp(distance, _minRange, _maxRange);
break;
case Spell.TargetRangeBehaviour.RetargetSetMaxRange:
desired = source + dir * _maxRange;
break;
}
// Stick to floor
return(TargetUtility.AboveGround(desired));
}
public SpellHandler(Spell spell, Target source, Target castTarget, int stacks)
{
Assert.IsNotNull(spell, "spell != null");
Assert.IsTrue(source.IsValid, "source.IsValid");
Assert.IsTrue(castTarget.IsValid, "castTarget.IsValid");
Assert.IsTrue(castTarget.Type == spell.TargetType, "castTarget.Type == spell.TargetType");
Spell = spell;
Source = source;
_originalTarget = castTarget;
_minRange = spell.MinRange.GetValue(Stacks);
_maxRange = spell.MaxRange.GetValue(Stacks);
#if DEBUG
// Draw debug info
if (spell.TargetType != TargetType.None)
{
Debugger.Default.DrawCircle(source.OffsettedPosition, Vector3.up, _minRange, Color.yellow, 1f);
Debugger.Default.DrawCircle(source.OffsettedPosition, Vector3.up, _maxRange, Color.yellow, 1f);
}
TargetUtility.DebugDrawSourceAndTarget(source, castTarget);
#endif
// Create target proxy if we need to retarget
if (spell.RangeBehaviour == Spell.TargetRangeBehaviour.RetargetClampToRange ||
spell.RangeBehaviour == Spell.TargetRangeBehaviour.RetargetSetMaxRange)
{
if (castTarget.Type == TargetType.Location || castTarget.Type == TargetType.LocationProvider)
{
CastTarget = new Target(_locationTargetProxy);
}
else
{
Debug.LogWarning($"Can't create proxy target for target of type {castTarget.Type}");
}
}
else
{
CastTarget = castTarget;
}
Stacks = stacks;
_state = SpellState.Started;
}
public ISpellHandler Cast(Spell spell, CharacterState caster, Target target, int stacks)
{
if (!target.IsValid)
{
return(null);
}
if (caster == null || !caster.IsAlive)
{
return(null);
}
Assert.IsNotNull(spell);
if (target.Type != spell.TargetType)
{
Debug.LogWarning($"Can't cast {spell.name}. Invalid target, required type: {spell.TargetType}, got {target.Type}", this);
return(null);
}
var source = new Target(caster);
var minRange = spell.MinRange.GetValue(stacks);
var maxRange = spell.MaxRange.GetValue(stacks);
if (spell.CheckRangeOnCast && !TargetUtility.IsInRange(source, target, minRange, maxRange))
{
Debug.LogWarning($"Can't cast {spell.name}. Out of range", this);
return(null);
}
if (target.Type == TargetType.Character &&
!TargetUtility.IsValidTeam(caster, target.Character, spell.AffectsTeam))
{
Debug.LogWarning($"Can't cast {spell.name}. Invalid team", this);
return(null);
}
var state = new SpellHandler(spell, source, target, stacks);
_activeSpellStates.Add(state);
return(state);
}
public SubSpellHandler(
SpellHandler spellHandler,
SubSpell subSpell,
Target source,
Target target)
{
Assert.IsTrue(source.IsValid);
Assert.IsTrue(target.IsValid);
Assert.IsNotNull(subSpell);
Assert.IsNotNull(spellHandler);
SubSpell = subSpell;
_spellHandler = spellHandler;
Source = source;
Target = target;
_state = SubSpellState.Started;
#if DEBUG
TargetUtility.DebugDrawSourceAndTarget(source, target);
#endif
}
private void QueryTargets(List <Target> queried, Query query, Target defaultOrigin)
{
queried.Clear();
var origin = ResolveTarget(query.Origin, defaultOrigin);
if (!origin.IsValid)
{
return;
}
switch (query.NewTargetsQueryType)
{
case Query.QueryType.None:
return;
case Query.QueryType.OriginAsTarget:
queried.Add(origin);
return;
case Query.QueryType.FillAoE:
FillTargetsInAoe(queried, query.Area, origin);
return;
case Query.QueryType.RandomLocationInAoe:
var randomLoc = RandomLocationInAoe(query.Area, origin);
queried.Add(new Target(randomLoc, origin.Forward));
return;
default:
break;
}
// Find all characters inside AoE and put them inside buffer
CharactersInAoe(QueriedCharactersBuffer, query.Area, origin);
// Filter characters
for (var i = QueriedCharactersBuffer.Count - 1; i >= 0; i--)
{
var c = QueriedCharactersBuffer[i];
// Team filtering
if (!TargetUtility.IsValidTeam(SpellHandler.Source.Character, c, query.AffectsTeam))
{
QueriedCharactersBuffer.RemoveAt(i);
continue;
}
// Filter affected
if (query.ExcludeAlreadyAffected &&
_spellHandler.AffectedCharacters != null &&
_spellHandler.AffectedCharacters.Contains(c))
{
QueriedCharactersBuffer.RemoveAt(i);
}
}
// If we are empty after filtering
if (QueriedCharactersBuffer.Count == 0)
{
return;
}
if (query.NewTargetsQueryType == Query.QueryType.RandomTargetInAoe)
{
queried.Add(new Target(RandomUtils.Choice(QueriedCharactersBuffer)));
return;
}
if (query.NewTargetsQueryType == Query.QueryType.AllTargetsInAoe)
{
for (var i = 0; i < QueriedCharactersBuffer.Count; i++)
{
queried.Add(new Target(QueriedCharactersBuffer[i]));
}
return;
}
if (query.NewTargetsQueryType == Query.QueryType.ClosestToOriginInAoe)
{
var minDistance = 1e8f;
var minIndex = 0;
var originPos = origin.Position;
for (var i = 1; i < QueriedCharactersBuffer.Count; i++)
{
var c = QueriedCharactersBuffer[i];
var distance = Vector3.Distance(originPos, c.transform.position);
if (distance < minDistance)
{
minIndex = i;
minDistance = distance;
}
}
queried.Add(new Target(QueriedCharactersBuffer[minIndex]));
return;
}
}
private void FireEvent(SubSpellEvent eventType, Target defaultOrigin)
{
// Send non-targeted event to effect
SubSpell.EffectHandler?.OnEvent(new SubSpellEventArgs(this, eventType));
for (var eventIndex = 0; eventIndex < SubSpell.FireSubSpellEvents.Length; eventIndex++)
{
// Filter SubSpell events
var e = SubSpell.FireSubSpellEvents[eventIndex];
if (e.Type != eventType)
{
continue;
}
QueryTargets(Queried, e.Query, defaultOrigin);
// Targeted event
SubSpell.EffectHandler?.OnEvent(new SubSpellEventArgs(this, eventType, e.Query, Queried));
// New source of SubSpell
var newSsSource = ResolveTarget(e.SubSpellSource, ResolveTarget(e.Query.Origin, defaultOrigin));
foreach (var target in Queried)
{
#if DEBUG
TargetUtility.DebugDraw(target, Color.yellow);
#endif
if (target.Type == TargetType.Character)
{
if (e.Query.ExcludeAlreadyAffected &&
_spellHandler.AffectedCharacters.Contains(target.Character))
{
continue;
}
if (e.TrackAffectedCharacters)
{
_spellHandler.AffectedCharacters.Add(target.Character);
}
if (e.ApplyBuffToTarget != null)
{
target.Character.ApplyBuff(
e.ApplyBuffToTarget,
SpellHandler.Source.Character,
Stacks,
this);
}
}
// SubSpell firing
if (e.FireSubSpell != null)
{
// Before adding SubSpell we first need to figure out what
// new sources and targets will be.
// Because some SubSpells overrides targeting
var newTarget = ResolveTarget(e.SubSpellTarget, target);
// Fire child sub spell
// Queue it to the spell processor
_spellHandler.CastSubSpell(e.FireSubSpell, newSsSource, newTarget);
}
}
}
}
private void Update()
{
if (!IsActive)
{
return;
}
// Lifetime check
if (_timer > 0)
{
_timer -= Time.deltaTime;
if (_timer <= 0)
{
HandleEvent(ProjectileEvents.TimeExpired, new Target(transform.position));
}
}
// If target become invalid (i.e. character died) - retarget to its last location
if (!_target.IsValid)
{
_target = new Target(_lastValidTargetPosition);
}
// Sample new target since the target can move (i.e. character)
_lastValidTargetPosition = _target.Position;
var currentPosition = transform.position;
// If we have reached destination than no additional movement required
if (TargetUtility.XZDistance(currentPosition, _lastValidTargetPosition) < DestinationThreshold)
{
return;
}
// Calculate direction and distance
var xzDir = _lastValidTargetPosition - currentPosition;
xzDir.y = 0;
var xzDistance = xzDir.magnitude;
// XZ direction only
xzDir.Normalize();
// Calculate desired position
var nextPosition = currentPosition + _speed * Time.deltaTime * xzDir;
_distanceTraveled += _speed * Time.deltaTime * xzDir.magnitude;
// Update height by calculating relative progress using traveled and remaining distance
var progress = Mathf.Clamp01(_distanceTraveled / (_distanceTraveled + xzDistance));
// And sampling height from Height curve
float baseY;
if (_projectile.HoverGround)
{
baseY = TargetUtility.AboveGround(nextPosition).y;
}
else
{
baseY = Mathf.Lerp(_spawnPoint.y, _lastValidTargetPosition.y, progress);
}
nextPosition.y = baseY + _projectile.HeightProfile.Evaluate(progress);
// If projectile have reached the destination
var targetDir = nextPosition - _lastValidTargetPosition;
// Update position and rotation
transform.position = nextPosition;
transform.rotation = Quaternion.LookRotation(targetDir.normalized);
if (TargetUtility.XZDistance(nextPosition, _lastValidTargetPosition) < DestinationThreshold)
{
var eventTarget = _handler.Target;
// If eventTarget (destination) is not valid
// Raise event with repositioned target
if (!eventTarget.IsValid)
{
eventTarget = _target;
}
HandleEvent(ProjectileEvents.ReachedDestination, eventTarget);
}
// Distance check
if (_maxDistance > 0 && _distanceTraveled > _maxDistance)
{
HandleEvent(ProjectileEvents.ReachedMaxDistance, new Target(transform.position));
}
}
public void Initialize(SubSpellHandler handler, ProjectileData projectileData)
{
_projectile = projectileData;
_handler = handler;
// Setup RigidBody to handle collisions
var body = GetComponentInChildren <Rigidbody>();
if (body == null)
{
body = gameObject.AddComponent <Rigidbody>();
}
body.isKinematic = false;
body.useGravity = false;
// Bake source point
if (handler.Source.Type == TargetType.Character)
{
_spawnPoint = handler.Source.Character.GetNodeTransform(_projectile.SpawnNode).position;
}
else
{
_spawnPoint = handler.Source.Transform.position;
}
if (_projectile.Type == ProjectileType.Targeted && handler.Target.IsValid)
{
TargetUtility.DebugDraw(handler.Target, Color.blue);
// ReTargeting to specific transform of character
if (handler.Target.Type == TargetType.Character)
{
_target = new Target(handler.Target.Character.GetNodeTransform(_projectile.TargetNode));
}
else
{
_target = handler.Target;
}
}
// Get initial direction
if (_projectile.Type == ProjectileType.Directional)
{
var direction = handler.Source.Forward;
// If target is specified, use it
if (handler.Target.HasPosition)
{
direction = handler.Target.Position - _spawnPoint;
direction.y = 0;
direction.Normalize();
}
NavMesh.Raycast(_spawnPoint, _spawnPoint + direction * 100f, out var hit, NavMesh.AllAreas);
_target = new Target(hit.position);
}
// Resolve stacked properties
_timer = projectileData.TimeToLive.GetValue(handler.Stacks);
_speed = projectileData.Speed.GetValue(handler.Stacks);
_maxDistance = projectileData.MaxDistance.GetValue(handler.Stacks);
// Initial positioning
transform.position = _spawnPoint;
//transform.rotation = Quaternion.LookRotation(_direction);
IsActive = true;
}
private void OnTriggerEnter(Collider other)
{
if (!IsActive)
{
return;
}
Target eventTarget;
switch (_projectile.CollisionTarget)
{
case ProjectileData.EventTarget.CollisionPosition:
eventTarget = new Target(transform.position);
break;
case ProjectileData.EventTarget.OtherColliderTransform:
eventTarget = new Target(other.transform);
break;
case ProjectileData.EventTarget.OtherColliderPosition:
eventTarget = new Target(other.transform.position);
break;
case ProjectileData.EventTarget.OtherColliderCharacter:
var otherChar = other.GetComponent <CharacterState>();
if (otherChar != null)
{
eventTarget = new Target(otherChar);
}
else
{
eventTarget = new Target(other.transform);
}
break;
case ProjectileData.EventTarget.SelfPosition:
eventTarget = new Target(transform.position);
break;
default:
case ProjectileData.EventTarget.SelfTransform:
eventTarget = new Target(transform);
break;
}
var character = other.GetComponent <CharacterState>();
if (character == null)
{
// Collision with non-character object.
HandleEvent(ProjectileEvents.CollisionWithWorld, eventTarget);
}
else if (character.Equals(_handler.Target.Character))
{
if (TargetUtility.IsValidTeam(_handler.SpellHandler.Source.Character, character, _projectile.Affects))
{
// Collision with target character object
HandleEvent(ProjectileEvents.CollisionWithTarget, eventTarget);
}
}
else
{
if (TargetUtility.IsValidTeam(_handler.SpellHandler.Source.Character, character, _projectile.Affects))
{
// Collision with non-target character object
HandleEvent(ProjectileEvents.CollisionWithOtherTargets, eventTarget);
}
}
}
