public Hull(MapEntityPrefab prefab, Rectangle rectangle, Submarine submarine)
: base(prefab, submarine)
{
rect = rectangle;
OxygenPercentage = 100.0f;
fireSources = new List <FireSource>();
properties = SerializableProperty.GetProperties(this);
int arraySize = (rectangle.Width / WaveWidth + 1);
waveY = new float[arraySize];
waveVel = new float[arraySize];
leftDelta = new float[arraySize];
rightDelta = new float[arraySize];
surface = rect.Y - rect.Height;
aiTarget = new AITarget(this);
hullList.Add(this);
ConnectedGaps = new List <Gap>();
if (submarine == null || !submarine.Loading)
{
Item.UpdateHulls();
Gap.UpdateHulls();
}
WaterVolume = 0.0f;
InsertToList();
}
//goes through all the AItargets, evaluates how preferable it is to attack the target,
//whether the Character can see/hear the target and chooses the most preferable target within
//sight/hearing range
public void UpdateTargets(Character character)
{
var prevAiTarget = selectedAiTarget;
selectedAiTarget = null;
selectedTargetMemory = null;
targetValue = 0.0f;
UpdateTargetMemories();
foreach (AITarget target in AITarget.List)
{
if (Level.Loaded != null && target.WorldPosition.Y > Level.Loaded.Size.Y)
{
continue;
}
float valueModifier = 0.0f;
float dist = 0.0f;
Character targetCharacter = target.Entity as Character;
//ignore the aitarget if it is the Character itself
if (targetCharacter == character)
{
continue;
}
if (targetCharacter != null)
{
if (targetCharacter.IsDead)
{
if (eatDeadPriority == 0.0f)
{
continue;
}
valueModifier = eatDeadPriority;
}
else if (targetCharacter.SpeciesName == "human")
{
if (attackHumans == 0.0f)
{
continue;
}
valueModifier = attackHumans;
}
else
{
EnemyAIController enemy = targetCharacter.AIController as EnemyAIController;
if (enemy != null)
{
if (enemy.combatStrength > combatStrength)
{
valueModifier = attackStronger;
}
else if (enemy.combatStrength < combatStrength)
{
valueModifier = attackWeaker;
}
else
{
continue;
}
}
}
}
else if (target.Entity != null && attackRooms != 0.0f)
{
IDamageable targetDamageable = target.Entity as IDamageable;
if (targetDamageable != null && targetDamageable.Health <= 0.0f)
{
continue;
}
//skip the target if it's a room and the character is already inside a sub
if (character.AnimController.CurrentHull != null && target.Entity is Hull)
{
continue;
}
valueModifier = attackRooms;
}
if (valueModifier == 0.0f)
{
continue;
}
dist = Vector2.Distance(character.WorldPosition, target.WorldPosition);
//if the target has been within range earlier, the character will notice it more easily
//(i.e. remember where the target was)
if (targetMemories.ContainsKey(target))
{
dist *= 0.5f;
}
//ignore target if it's too far to see or hear
if (dist > target.SightRange * sight && dist > target.SoundRange * hearing)
{
continue;
}
AITargetMemory targetMemory = FindTargetMemory(target);
valueModifier = valueModifier * targetMemory.Priority / dist;
if (Math.Abs(valueModifier) > Math.Abs(targetValue))
{
Vector2 rayStart = character.AnimController.Limbs[0].SimPosition;
Vector2 rayEnd = target.SimPosition;
if (target.Entity.Submarine != null && character.Submarine == null)
{
rayStart -= ConvertUnits.ToSimUnits(target.Entity.Submarine.Position);
}
Body closestBody = Submarine.CheckVisibility(rayStart, rayEnd);
Structure closestStructure = (closestBody == null) ? null : closestBody.UserData as Structure;
if (selectedAiTarget == null || Math.Abs(valueModifier) > Math.Abs(targetValue))
{
selectedAiTarget = target;
selectedTargetMemory = targetMemory;
targetValue = valueModifier;
}
}
}
if (selectedAiTarget != prevAiTarget)
{
wallAttackPos = Vector2.Zero;
}
}
private void UpdateEating(float deltaTime)
{
if (selectedAiTarget == null || selectedAiTarget.Entity == null || selectedAiTarget.Entity.Removed)
{
state = AIState.None;
return;
}
Limb mouthLimb = Array.Find(Character.AnimController.Limbs, l => l != null && l.MouthPos.HasValue);
if (mouthLimb == null)
{
mouthLimb = Character.AnimController.GetLimb(LimbType.Head);
}
if (mouthLimb == null)
{
DebugConsole.ThrowError("Character \"" + Character.SpeciesName + "\" failed to eat a target (a head or a limb with a mouthpos required)");
state = AIState.None;
return;
}
Character targetCharacter = selectedAiTarget.Entity as Character;
float eatSpeed = Character.Mass / targetCharacter.Mass * 0.1f;
eatTimer += deltaTime * eatSpeed;
Vector2 mouthPos = mouthLimb.SimPosition;
if (mouthLimb.MouthPos.HasValue)
{
float cos = (float)Math.Cos(mouthLimb.Rotation);
float sin = (float)Math.Sin(mouthLimb.Rotation);
mouthPos += new Vector2(
mouthLimb.MouthPos.Value.X * cos - mouthLimb.MouthPos.Value.Y * sin,
mouthLimb.MouthPos.Value.X * sin + mouthLimb.MouthPos.Value.Y * cos);
}
Vector2 attackSimPosition = Character.Submarine == null?ConvertUnits.ToSimUnits(selectedAiTarget.WorldPosition) : selectedAiTarget.SimPosition;
Vector2 limbDiff = attackSimPosition - mouthPos;
float limbDist = limbDiff.Length();
if (limbDist < 1.0f)
{
//pull the target character to the position of the mouth
//(+ make the force fluctuate to waggle the character a bit)
targetCharacter.AnimController.MainLimb.MoveToPos(mouthPos, (float)(Math.Sin(eatTimer) + 10.0f));
targetCharacter.AnimController.MainLimb.body.SmoothRotate(mouthLimb.Rotation);
targetCharacter.AnimController.Collider.MoveToPos(mouthPos, (float)(Math.Sin(eatTimer) + 10.0f));
//pull the character's mouth to the target character (again with a fluctuating force)
float pullStrength = (float)(Math.Sin(eatTimer) * Math.Max(Math.Sin(eatTimer * 0.5f), 0.0f));
steeringManager.SteeringManual(deltaTime, limbDiff * pullStrength);
mouthLimb.body.ApplyForce(limbDiff * mouthLimb.Mass * 50.0f * pullStrength);
if (eatTimer % 1.0f < 0.5f && (eatTimer - deltaTime * eatSpeed) % 1.0f > 0.5f)
{
//apply damage to the target character to get some blood particles flying
targetCharacter.AnimController.MainLimb.AddDamage(targetCharacter.SimPosition, DamageType.None, Rand.Range(10.0f, 25.0f), 10.0f, false);
//keep severing joints until there is only one limb left
LimbJoint[] nonSeveredJoints = Array.FindAll(targetCharacter.AnimController.LimbJoints, l => !l.IsSevered && l.CanBeSevered);
if (nonSeveredJoints.Length == 0)
{
//only one limb left, the character is now full eaten
Entity.Spawner.AddToRemoveQueue(targetCharacter);
selectedAiTarget = null;
state = AIState.None;
}
else //sever a random joint
{
targetCharacter.AnimController.SeverLimbJoint(nonSeveredJoints[Rand.Int(nonSeveredJoints.Length)]);
}
}
}
else if (limbDist < 2.0f)
{
steeringManager.SteeringManual(deltaTime, limbDiff);
Character.AnimController.Collider.ApplyForce(limbDiff * mouthLimb.Mass * 50.0f, mouthPos);
}
else
{
steeringManager.SteeringSeek(attackSimPosition - (mouthPos - SimPosition), 3);
}
}
public override void SelectTarget(AITarget target)
{
SelectedAiTarget = target;
}
protected virtual void OnTargetChanged(AITarget previousTarget, AITarget newTarget)
{
}
public virtual void SelectTarget(AITarget target)
{
}
public Structure(Rectangle rectangle, StructurePrefab sp, Submarine submarine)
: base(sp, submarine)
{
if (rectangle.Width == 0 || rectangle.Height == 0)
{
return;
}
System.Diagnostics.Debug.Assert(rectangle.Width > 0 && rectangle.Height > 0);
rect = rectangle;
#if CLIENT
TextureScale = sp.TextureScale;
#endif
spriteColor = prefab.SpriteColor;
if (ResizeHorizontal && !ResizeVertical)
{
IsHorizontal = true;
}
else if (ResizeVertical && !ResizeHorizontal)
{
IsHorizontal = false;
}
else
{
if (BodyWidth > 0.0f && BodyHeight > 0.0f)
{
IsHorizontal = BodyWidth > BodyHeight;
}
else
{
IsHorizontal = (rect.Width > rect.Height);
}
}
StairDirection = Prefab.StairDirection;
SerializableProperties = SerializableProperty.GetProperties(this);
InitProjSpecific();
if (Prefab.Body)
{
Bodies = new List <Body>();
WallList.Add(this);
CreateSections();
UpdateSections();
}
else
{
Sections = new WallSection[1];
Sections[0] = new WallSection(rect);
if (StairDirection != Direction.None)
{
CreateStairBodies();
}
}
// Only add ai targets automatically to walls
if (aiTarget == null && HasBody && Tags.Contains("wall"))
{
aiTarget = new AITarget(this);
}
InsertToList();
}
private void UpdateEating(float deltaTime)
{
if (selectedAiTarget == null || selectedAiTarget.Entity == null || selectedAiTarget.Entity.Removed)
{
state = AIState.None;
return;
}
Limb mouthLimb = Array.Find(Character.AnimController.Limbs, l => l != null && l.MouthPos.HasValue);
if (mouthLimb == null)
{
mouthLimb = Character.AnimController.GetLimb(LimbType.Head);
}
if (mouthLimb == null)
{
DebugConsole.ThrowError("Character \"" + Character.SpeciesName + "\" failed to eat a target (a head or a limb with a mouthpos required)");
state = AIState.None;
return;
}
Character targetCharacter = selectedAiTarget.Entity as Character;
float eatSpeed = Character.Mass / targetCharacter.Mass * 0.1f;
eatTimer += deltaTime * eatSpeed;
Vector2 mouthPos = mouthLimb.SimPosition;
if (mouthLimb.MouthPos.HasValue)
{
float cos = (float)Math.Cos(mouthLimb.Rotation);
float sin = (float)Math.Sin(mouthLimb.Rotation);
mouthPos += new Vector2(
mouthLimb.MouthPos.Value.X * cos - mouthLimb.MouthPos.Value.Y * sin,
mouthLimb.MouthPos.Value.X * sin + mouthLimb.MouthPos.Value.Y * cos);
}
Vector2 attackSimPosition = Character.Submarine == null?ConvertUnits.ToSimUnits(selectedAiTarget.WorldPosition) : selectedAiTarget.SimPosition;
Vector2 limbDiff = attackSimPosition - mouthPos;
float limbDist = limbDiff.Length();
if (limbDist < 1.0f)
{
//pull the target character to the position of the mouth
//(+ make the force fluctuate to waggle the character a bit)
targetCharacter.AnimController.MainLimb.MoveToPos(mouthPos, (float)(Math.Sin(eatTimer) + 10.0f));
targetCharacter.AnimController.MainLimb.body.SmoothRotate(mouthLimb.Rotation);
targetCharacter.AnimController.Collider.MoveToPos(mouthPos, (float)(Math.Sin(eatTimer) + 10.0f));
//pull the character's mouth to the target character (again with a fluctuating force)
float pullStrength = (float)(Math.Sin(eatTimer) * Math.Max(Math.Sin(eatTimer * 0.5f), 0.0f));
steeringManager.SteeringManual(deltaTime, limbDiff * pullStrength);
mouthLimb.body.ApplyForce(limbDiff * mouthLimb.Mass * 50.0f * pullStrength);
//GameMain.NilMod.CreatureHealthGainEatingPercent;
if (eatTimer % 1.0f < 0.5f && (eatTimer - deltaTime * eatSpeed) % 1.0f > 0.5f)
{
//Kill living players that control the character if being actively consumed.
//Before this point is reached a fish could be prevented with stun from severing limbs and thus still save a player.
if (!targetCharacter.IsDead && targetCharacter.IsRemotePlayer)
{
targetCharacter.Kill(CauseOfDeath.Damage, true);
}
//apply damage to the target character to get some blood particles flying
targetCharacter.AnimController.MainLimb.AddDamage(targetCharacter.SimPosition, DamageType.None, Rand.Range(10.0f, 25.0f), Rand.Range(15.0f, 40.0f), false);
//Lets make this extra bloody, perhaps a client will sync it.
targetCharacter.AnimController.MainLimb.AddDamage(targetCharacter.SimPosition, DamageType.None, Rand.Range(10.0f, 25.0f), Rand.Range(15.0f, 40.0f), false);
targetCharacter.AnimController.MainLimb.AddDamage(targetCharacter.SimPosition, DamageType.None, Rand.Range(10.0f, 25.0f), Rand.Range(15.0f, 40.0f), false);
targetCharacter.AnimController.MainLimb.AddDamage(targetCharacter.SimPosition, DamageType.None, Rand.Range(10.0f, 25.0f), Rand.Range(15.0f, 40.0f), false);
//keep severing joints until there is only one limb left
LimbJoint[] nonSeveredJoints = Array.FindAll(targetCharacter.AnimController.LimbJoints, l => !l.IsSevered && l.CanBeSevered);
if (nonSeveredJoints.Length == 0)
{
//only one limb left, the character is now full eaten
if (GameMain.Server != null)
{
GameMain.Server.ServerLog.WriteLine(Character.Name + " has finished eating " + targetCharacter.Name, Networking.ServerLog.MessageType.Spawns);
}
Entity.Spawner.AddToRemoveQueue(targetCharacter);
selectedAiTarget = null;
state = AIState.None;
}
else //sever a random joint
{
targetCharacter.AnimController.SeverLimbJoint(nonSeveredJoints[Rand.Int(nonSeveredJoints.Length)]);
if (GameMain.Server != null)
{
GameMain.Server.CreateEntityEvent(targetCharacter, new object[] { Barotrauma.Networking.NetEntityEvent.Type.Status });
}
}
}
}
else if (limbDist < 2.0f)
{
steeringManager.SteeringManual(deltaTime, limbDiff);
Character.AnimController.Collider.ApplyForce(limbDiff * mouthLimb.Mass * 50.0f, mouthPos);
}
else
{
steeringManager.SteeringSeek(attackSimPosition - (mouthPos - SimPosition), 3);
}
}
protected void ResetAITarget()
{
_lastAiTarget = null;
_selectedAiTarget = null;
}
protected override void Act(float deltaTime)
{
var pathSteering = character.AIController.SteeringManager as IndoorsSteeringManager;
if (pathSteering == null)
{
return;
}
if (newTargetTimer <= 0.0f)
{
currentTarget = FindRandomTarget();
if (currentTarget != null)
{
Vector2 pos = character.SimPosition;
if (character != null && character.Submarine == null)
{
pos -= Submarine.MainSub.SimPosition;
}
var path = pathSteering.PathFinder.FindPath(pos, currentTarget.SimPosition);
if (path.Cost > 200.0f && character.AnimController.CurrentHull != null)
{
return;
}
pathSteering.SetPath(path);
}
newTargetTimer = currentTarget == null ? 5.0f : 15.0f;
}
newTargetTimer -= deltaTime;
//wander randomly
// - if reached the end of the path
// - if the target is unreachable
// - if the path requires going outside
if (pathSteering == null || (pathSteering.CurrentPath != null &&
(pathSteering.CurrentPath.NextNode == null || pathSteering.CurrentPath.Unreachable || pathSteering.CurrentPath.HasOutdoorsNodes)))
{
//steer away from edges of the hull
if (character.AnimController.CurrentHull != null)
{
float leftDist = character.Position.X - character.AnimController.CurrentHull.Rect.X;
float rightDist = character.AnimController.CurrentHull.Rect.Right - character.Position.X;
if (leftDist < WallAvoidDistance && rightDist < WallAvoidDistance)
{
if (Math.Abs(rightDist - leftDist) > WallAvoidDistance / 2)
{
pathSteering.SteeringManual(deltaTime, Vector2.UnitX * Math.Sign(rightDist - leftDist));
}
else
{
pathSteering.Reset();
return;
}
}
else if (leftDist < WallAvoidDistance)
{
pathSteering.SteeringManual(deltaTime, Vector2.UnitX * (WallAvoidDistance - leftDist) / WallAvoidDistance);
pathSteering.WanderAngle = 0.0f;
return;
}
else if (rightDist < WallAvoidDistance)
{
pathSteering.SteeringManual(deltaTime, -Vector2.UnitX * (WallAvoidDistance - rightDist) / WallAvoidDistance);
pathSteering.WanderAngle = MathHelper.Pi;
return;
}
}
if (character.AnimController.InWater)
{
character.AIController.SteeringManager.SteeringManual(deltaTime, new Vector2(0.0f, 0.5f));
}
else
{
character.AIController.SteeringManager.SteeringWander();
//reset vertical steering to prevent dropping down from platforms etc
character.AIController.SteeringManager.ResetY();
}
return;
}
if (currentTarget == null)
{
return;
}
character.AIController.SteeringManager.SteeringSeek(currentTarget.SimPosition, 2.0f);
}