private bool determineShouldBuildFloor(Voxel v, Voxel.State floorState)
{
bool result = false;
if (floorState == Voxel.States.Blue || floorState == Voxel.States.Powered)
{
// If we're standing on blue or powered, we need to check if we're close to a non-blue block before we can build a floor
// This prevents the player from building a floor infinitely
if (VoxelAStar.BroadphaseSearch(this.floorMap, this.floorCoordinate, 6, x => x.Type != Voxel.States.Blue && x.Type != Voxel.States.Powered) != null)
{
result = true;
}
}
else if (v == null || v.Entity.Type != "Bouncer")
{
result = true;
}
return(result);
}
public override void Bind(Entity entity, Main main, bool creating = false)
{
if (ParticleSystem.Get(main, "SnakeSparks") == null)
{
ParticleSystem.Add(main, "SnakeSparks",
new ParticleSystem.ParticleSettings
{
TextureName = "Particles\\splash",
MaxParticles = 1000,
Duration = TimeSpan.FromSeconds(1.0f),
MinHorizontalVelocity = -7.0f,
MaxHorizontalVelocity = 7.0f,
MinVerticalVelocity = 0.0f,
MaxVerticalVelocity = 7.0f,
Gravity = new Vector3(0.0f, -10.0f, 0.0f),
MinRotateSpeed = -2.0f,
MaxRotateSpeed = 2.0f,
MinStartSize = 0.3f,
MaxStartSize = 0.7f,
MinEndSize = 0.0f,
MaxEndSize = 0.0f,
BlendState = Microsoft.Xna.Framework.Graphics.BlendState.AlphaBlend,
MinColor = new Vector4(2.0f, 2.0f, 2.0f, 1.0f),
MaxColor = new Vector4(2.0f, 2.0f, 2.0f, 1.0f),
});
ParticleSystem.Add(main, "SnakeSparksRed",
new ParticleSystem.ParticleSettings
{
TextureName = "Particles\\splash",
MaxParticles = 1000,
Duration = TimeSpan.FromSeconds(1.0f),
MinHorizontalVelocity = -7.0f,
MaxHorizontalVelocity = 7.0f,
MinVerticalVelocity = 0.0f,
MaxVerticalVelocity = 7.0f,
Gravity = new Vector3(0.0f, -10.0f, 0.0f),
MinRotateSpeed = -2.0f,
MaxRotateSpeed = 2.0f,
MinStartSize = 0.3f,
MaxStartSize = 0.7f,
MinEndSize = 0.0f,
MaxEndSize = 0.0f,
BlendState = Microsoft.Xna.Framework.Graphics.BlendState.AlphaBlend,
MinColor = new Vector4(1.4f, 0.8f, 0.7f, 1.0f),
MaxColor = new Vector4(1.4f, 0.8f, 0.7f, 1.0f),
});
ParticleSystem.Add(main, "SnakeSparksYellow",
new ParticleSystem.ParticleSettings
{
TextureName = "Particles\\splash",
MaxParticles = 1000,
Duration = TimeSpan.FromSeconds(1.0f),
MinHorizontalVelocity = -7.0f,
MaxHorizontalVelocity = 7.0f,
MinVerticalVelocity = 0.0f,
MaxVerticalVelocity = 7.0f,
Gravity = new Vector3(0.0f, -10.0f, 0.0f),
MinRotateSpeed = -2.0f,
MaxRotateSpeed = 2.0f,
MinStartSize = 0.3f,
MaxStartSize = 0.7f,
MinEndSize = 0.0f,
MaxEndSize = 0.0f,
BlendState = Microsoft.Xna.Framework.Graphics.BlendState.AlphaBlend,
MinColor = new Vector4(1.4f, 1.4f, 0.7f, 1.0f),
MaxColor = new Vector4(1.4f, 1.4f, 0.7f, 1.0f),
});
}
Snake snake = entity.GetOrCreate <Snake>("Snake");
entity.CannotSuspendByDistance = true;
Transform transform = entity.GetOrCreate <Transform>("Transform");
AI ai = entity.GetOrCreate <AI>("AI");
Agent agent = entity.GetOrCreate <Agent>("Agent");
const float defaultSpeed = 5.0f;
const float chaseSpeed = 18.0f;
const float closeChaseSpeed = 12.0f;
const float crushSpeed = 125.0f;
VoxelChaseAI chase = entity.GetOrCreate <VoxelChaseAI>("VoxelChaseAI");
chase.Add(new TwoWayBinding <Vector3>(transform.Position, chase.Position));
chase.Speed.Value = defaultSpeed;
chase.EnablePathfinding.Value = ai.CurrentState.Value == "Chase";
chase.Filter = delegate(Voxel.State state)
{
if (state == Voxel.States.Infected || state == Voxel.States.Neutral || state == Voxel.States.Hard || state == Voxel.States.HardInfected)
{
return(true);
}
return(false);
};
entity.Add(new CommandBinding(chase.Delete, entity.Delete));
PointLight positionLight = null;
if (!main.EditorEnabled)
{
positionLight = new PointLight();
positionLight.Serialize = false;
positionLight.Color.Value = new Vector3(1.5f, 0.5f, 0.5f);
positionLight.Attenuation.Value = 20.0f;
positionLight.Add(new Binding <bool, string>(positionLight.Enabled, x => x != "Suspended", ai.CurrentState));
positionLight.Add(new Binding <Vector3, string>(positionLight.Color, delegate(string state)
{
switch (state)
{
case "Chase":
case "Crush":
return(new Vector3(1.5f, 0.5f, 0.5f));
case "Alert":
return(new Vector3(1.5f, 1.5f, 0.5f));
default:
return(new Vector3(1.0f, 1.0f, 1.0f));
}
}, ai.CurrentState));
entity.Add("PositionLight", positionLight);
ParticleEmitter emitter = entity.GetOrCreate <ParticleEmitter>("Particles");
emitter.Serialize = false;
emitter.ParticlesPerSecond.Value = 100;
emitter.Add(new Binding <string>(emitter.ParticleType, delegate(string state)
{
switch (state)
{
case "Chase":
case "Crush":
return("SnakeSparksRed");
case "Alert":
return("SnakeSparksYellow");
default:
return("SnakeSparks");
}
}, ai.CurrentState));
emitter.Add(new Binding <Vector3>(emitter.Position, transform.Position));
emitter.Add(new Binding <bool, string>(emitter.Enabled, x => x != "Suspended", ai.CurrentState));
positionLight.Add(new Binding <Vector3>(positionLight.Position, transform.Position));
emitter.Add(new Binding <Vector3>(emitter.Position, transform.Position));
agent.Add(new Binding <Vector3>(agent.Position, transform.Position));
Sound.AttachTracker(entity);
}
AI.Task checkMap = new AI.Task
{
Action = delegate()
{
if (chase.Voxel.Value.Target == null || !chase.Voxel.Value.Target.Active)
{
entity.Delete.Execute();
}
},
};
AI.Task checkOperationalRadius = new AI.Task
{
Interval = 2.0f,
Action = delegate()
{
bool shouldBeActive = (transform.Position.Value - main.Camera.Position).Length() < snake.OperationalRadius;
if (shouldBeActive && ai.CurrentState == "Suspended")
{
ai.CurrentState.Value = "Idle";
}
else if (!shouldBeActive && ai.CurrentState != "Suspended")
{
ai.CurrentState.Value = "Suspended";
}
},
};
AI.Task checkTargetAgent = new AI.Task
{
Action = delegate()
{
Entity target = ai.TargetAgent.Value.Target;
if (target == null || !target.Active)
{
ai.TargetAgent.Value = null;
ai.CurrentState.Value = "Idle";
}
},
};
Func <Voxel, Direction> randomValidDirection = delegate(Voxel m)
{
Voxel.Coord c = chase.Coord;
Direction[] dirs = new Direction[6];
Array.Copy(DirectionExtensions.Directions, dirs, 6);
// Shuffle directions
int i = 5;
while (i > 0)
{
int k = this.random.Next(i);
Direction temp = dirs[i];
dirs[i] = dirs[k];
dirs[k] = temp;
i--;
}
foreach (Direction dir in dirs)
{
if (chase.Filter(m[c.Move(dir)]))
{
return(dir);
}
}
return(Direction.None);
};
Direction currentDir = Direction.None;
chase.Add(new CommandBinding <Voxel, Voxel.Coord>(chase.Moved, delegate(Voxel m, Voxel.Coord c)
{
if (chase.Active)
{
string currentState = ai.CurrentState.Value;
Voxel.t id = m[c].ID;
if (id == Voxel.t.Hard)
{
m.Empty(c);
m.Fill(c, Voxel.States.HardInfected);
m.Regenerate();
}
else if (id == Voxel.t.Neutral)
{
m.Empty(c);
m.Fill(c, Voxel.States.Infected);
m.Regenerate();
}
else if (id == Voxel.t.Empty)
{
m.Fill(c, Voxel.States.Infected);
m.Regenerate();
}
if (currentState == "Idle")
{
if (currentDir == Direction.None || !chase.Filter(m[chase.Coord.Value.Move(currentDir)]) || this.random.Next(8) == 0)
{
currentDir = randomValidDirection(m);
}
chase.Coord.Value = chase.Coord.Value.Move(currentDir);
}
else if (snake.Path.Length > 0)
{
chase.Coord.Value = snake.Path[0];
snake.Path.RemoveAt(0);
}
}
}));
Sound.AttachTracker(entity);
SoundKiller.Add(entity, AK.EVENTS.STOP_SNAKE);
ai.Add(new ChangeBinding <string>(ai.CurrentState, delegate(string old, string value)
{
if (value == "Suspended" || value == "Alert")
{
AkSoundEngine.PostEvent(AK.EVENTS.STOP_SNAKE, entity);
}
else if (old != "Idle" && old != "Chase" && old != "Crush")
{
AkSoundEngine.PostEvent(AK.EVENTS.PLAY_SNAKE, entity);
}
}));
const float sightDistance = 50.0f;
const float hearingDistance = 0.0f;
ai.Setup
(
new AI.AIState
{
Name = "Suspended",
Tasks = new[] { checkOperationalRadius },
},
new AI.AIState
{
Name = "Idle",
Enter = delegate(AI.AIState previous)
{
Entity voxelEntity = chase.Voxel.Value.Target;
if (voxelEntity != null)
{
Voxel m = voxelEntity.Get <Voxel>();
if (currentDir == Direction.None || !chase.Filter(m[chase.Coord.Value.Move(currentDir)]))
{
currentDir = randomValidDirection(m);
}
chase.Coord.Value = chase.Coord.Value.Move(currentDir);
}
},
Tasks = new[]
{
checkMap,
checkOperationalRadius,
new AI.Task
{
Interval = 1.0f,
Action = delegate()
{
Agent a = Agent.Query(transform.Position, sightDistance, hearingDistance, x => x.Entity.Type == "Player");
if (a != null)
{
ai.CurrentState.Value = "Alert";
}
},
},
},
},
new AI.AIState
{
Name = "Alert",
Enter = delegate(AI.AIState previous)
{
chase.EnableMovement.Value = false;
},
Exit = delegate(AI.AIState next)
{
chase.EnableMovement.Value = true;
},
Tasks = new[]
{
checkMap,
checkOperationalRadius,
new AI.Task
{
Interval = 0.4f,
Action = delegate()
{
if (ai.TimeInCurrentState > 3.0f)
{
ai.CurrentState.Value = "Idle";
}
else
{
Agent a = Agent.Query(transform.Position, sightDistance, hearingDistance, x => x.Entity.Type == "Player");
if (a != null)
{
ai.TargetAgent.Value = a.Entity;
ai.CurrentState.Value = "Chase";
}
}
},
},
},
},
new AI.AIState
{
Name = "Chase",
Enter = delegate(AI.AIState previousState)
{
chase.EnablePathfinding.Value = true;
chase.Speed.Value = chaseSpeed;
},
Exit = delegate(AI.AIState nextState)
{
chase.EnablePathfinding.Value = false;
chase.Speed.Value = defaultSpeed;
},
Tasks = new[]
{
checkMap,
checkOperationalRadius,
checkTargetAgent,
new AI.Task
{
Interval = 0.07f,
Action = delegate()
{
Vector3 targetPosition = ai.TargetAgent.Value.Target.Get <Agent>().Position;
float targetDistance = (targetPosition - transform.Position).Length();
chase.Speed.Value = targetDistance < 15.0f ? closeChaseSpeed : chaseSpeed;
if (targetDistance > 50.0f || ai.TimeInCurrentState > 30.0f) // He got away
{
ai.CurrentState.Value = "Alert";
}
else if (targetDistance < 4.0f) // We got 'im
{
// First, make sure we're not near a reset block
Voxel v = chase.Voxel.Value.Target.Get <Voxel>();
if (VoxelAStar.BroadphaseSearch(v, chase.Coord, 6, x => x.Type == Lemma.Components.Voxel.States.Reset) == null)
{
ai.CurrentState.Value = "Crush";
}
}
else
{
chase.Target.Value = targetPosition;
}
},
},
},
},
new AI.AIState
{
Name = "Crush",
Enter = delegate(AI.AIState lastState)
{
// Set up cage
Voxel.Coord center = chase.Voxel.Value.Target.Get <Voxel>().GetCoordinate(ai.TargetAgent.Value.Target.Get <Agent>().Position);
int radius = 1;
// Bottom
for (int x = center.X - radius; x <= center.X + radius; x++)
{
for (int z = center.Z - radius; z <= center.Z + radius; z++)
{
snake.Path.Add(new Voxel.Coord {
X = x, Y = center.Y - 4, Z = z
});
}
}
// Outer shell
radius = 2;
for (int y = center.Y - 3; y <= center.Y + 3; y++)
{
// Left
for (int z = center.Z - radius; z <= center.Z + radius; z++)
{
snake.Path.Add(new Voxel.Coord {
X = center.X - radius, Y = y, Z = z
});
}
// Right
for (int z = center.Z - radius; z <= center.Z + radius; z++)
{
snake.Path.Add(new Voxel.Coord {
X = center.X + radius, Y = y, Z = z
});
}
// Backward
for (int x = center.X - radius; x <= center.X + radius; x++)
{
snake.Path.Add(new Voxel.Coord {
X = x, Y = y, Z = center.Z - radius
});
}
// Forward
for (int x = center.X - radius; x <= center.X + radius; x++)
{
snake.Path.Add(new Voxel.Coord {
X = x, Y = y, Z = center.Z + radius
});
}
}
// Top
for (int x = center.X - radius; x <= center.X + radius; x++)
{
for (int z = center.Z - radius; z <= center.Z + radius; z++)
{
snake.Path.Add(new Voxel.Coord {
X = x, Y = center.Y + 3, Z = z
});
}
}
chase.EnablePathfinding.Value = false;
chase.Speed.Value = crushSpeed;
snake.CrushCoordinate.Value = chase.Coord;
},
Exit = delegate(AI.AIState nextState)
{
chase.Speed.Value = defaultSpeed;
chase.Coord.Value = chase.LastCoord.Value = snake.CrushCoordinate;
snake.Path.Clear();
},
Tasks = new[]
{
checkMap,
checkOperationalRadius,
checkTargetAgent,
new AI.Task
{
Interval = 0.01f,
Action = delegate()
{
Agent a = ai.TargetAgent.Value.Target.Get <Agent>();
a.Damage.Execute(0.01f / 1.5f); // seconds to kill
if (!a.Active)
{
ai.CurrentState.Value = "Alert";
}
else
{
if ((a.Position - transform.Position.Value).Length() > 5.0f) // They're getting away
{
ai.CurrentState.Value = "Chase";
}
}
}
}
},
}
);
this.SetMain(entity, main);
entity.Add("OperationalRadius", snake.OperationalRadius);
}
public void Update(float dt)
{
Entity mapEntity = this.Voxel.Value.Target;
if (mapEntity == null || !mapEntity.Active)
{
// Find closest map
int closest = 5;
Voxel.Coord newCoord = default(Voxel.Coord);
foreach (Voxel m in Lemma.Components.Voxel.Voxels)
{
Voxel.Coord mCoord = m.GetCoordinate(this.Position);
Voxel.Coord?c = m.FindClosestFilledCell(mCoord, closest);
if (c.HasValue)
{
mapEntity = m.Entity;
newCoord = c.Value;
closest = Math.Min(Math.Abs(mCoord.X - newCoord.X), Math.Min(Math.Abs(mCoord.Y - newCoord.Y), Math.Abs(mCoord.Z - newCoord.Z)));
}
}
if (mapEntity == null)
{
this.Delete.Execute();
}
else
{
this.Voxel.Value = mapEntity;
this.Coord.Value = this.LastCoord.Value = newCoord;
this.Blend.Value = 1.0f;
}
}
else
{
Voxel m = mapEntity.Get <Voxel>();
if (this.EnableMovement)
{
this.Blend.Value += dt * this.Speed;
}
if (this.Blend > 1.0f)
{
this.Blend.Value = 0.0f;
Voxel.Coord c = this.Coord.Value;
this.Moved.Execute(m, c);
this.LastCoord.Value = c;
if (this.EnablePathfinding)
{
if (this.broadphasePath.Count == 0 || this.main.TotalTime - this.lastPathCalculation > 1.0f)
{
this.lastPathCalculation = this.main.TotalTime;
Voxel.Coord?targetCoord = m.FindClosestFilledCell(m.GetCoordinate(this.Target));
if (targetCoord.HasValue)
{
if (VoxelAStar.BroadphaseSearch(m, targetCoord.Value, 6, x => x.Type == Lemma.Components.Voxel.States.Reset) == null)
{
// Target is not near a reset block
this.narrowphasePath.Clear();
this.broadphasePath.Clear();
Voxel.Box box = m.GetBox(c);
VoxelAStar.Broadphase(m, box, targetCoord.Value, this.Filter, this.broadphasePath);
if (this.broadphasePath.Count > 0)
{
this.broadphasePath.Pop(); // First box is the current one
}
//this.debugBroadphase(m, this.broadphasePath);
}
}
}
if (this.narrowphasePath.Count == 0 && this.broadphasePath.Count > 0)
{
VoxelAStar.Narrowphase(m, this.Coord, this.broadphasePath.Pop(), this.narrowphasePath);
if (this.narrowphasePath.Count <= 1)
{
this.broadphasePath.Clear();
this.narrowphasePath.Clear();
this.Blend.Value = 1.0f;
}
else
{
this.narrowphasePath.Pop(); // First coordinate is the current one
}
//this.debugNarrowphase(m, this.narrowphasePath);
}
if (this.narrowphasePath.Count > 0)
{
Voxel.Coord newCoord = this.narrowphasePath.Pop();
if (this.Filter(m[newCoord]))
{
this.Coord.Value = newCoord;
}
else
{
this.broadphasePath.Clear();
this.narrowphasePath.Clear();
this.Blend.Value = 1.0f;
}
}
}
}
Vector3 last = m.GetAbsolutePosition(this.LastCoord), current = m.GetAbsolutePosition(this.Coord);
this.Position.Value = Vector3.Lerp(last, current, this.Blend);
}
}