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using System.Numerics;
using LiteNetLib.Utils;
using OnekoOnline.Net;
using Raylib_cs;
namespace OnekoOnline;
class OnekoLocal : Oneko
{
public static Oneko? Instance;
static int Id => OnekoOnline.Client?.Id ?? -1;
OnekoAIState CurrentAIState;
readonly OnekoAIState[] AIStates;
OnekoAnimation Animation;
float updateTimer = 0f;
const float updateRate = 1f/5f;
int Frame = 0;
int FrameCounter = 0;
public OnekoLocal() : base()
{
Instance ??= this;
Name = OnekoOnline.Config.GetValue("NekoName", "Oneko");
AIStates = [new BoredState(this), new ChaseMouseState(this), new ItchyState(this)];
CurrentAIState = AIStates[0];
}
public override void Update(float delta)
{
updateTimer += delta;
if (updateTimer < updateRate) return;
OnekoUpdate(updateTimer);
updateTimer = 0f;
}
public void OnekoUpdate(float delta)
{
//AI STUFF
OnekoAIState HighestPriority = AIStates.MaxBy(state => state.GetPriority())!;
if (HighestPriority != CurrentAIState) {
CurrentAIState.ExitState();
CurrentAIState = HighestPriority;
CurrentAIState.StartState();
}
CurrentAIState.Update(delta);
FrameCounter = (FrameCounter+1)%(Animation.AnimSpeed+1);
Frame = (int)MathF.Round(FrameCounter/(float)Animation.AnimSpeed);
Sprite = Animation.GetFrame(Frame);
if (OnekoOnline.Client!.Connected) {
NetDataWriter writer = new();
writer.Put(new PacketInfo(PacketType.OnekoState, Id));
writer.Put(Position);
writer.Put(FrameId);
OnekoOnline.Client?.ConnectedServer.Send(writer, LiteNetLib.DeliveryMethod.Unreliable);
}
}
void MoveTowardsPosition(Vector2 TargetPosition)
{
Vector2 TargetDirection = (TargetPosition-Position).LimitLength(10f);
if (TargetDirection.Length() > 1) {
Animation = GetDirectionalRun(TargetDirection);
}
Position += TargetDirection;
}
protected abstract class OnekoAIState(OnekoLocal neko)
{
protected OnekoLocal Neko = neko;
public abstract int GetPriority();
public abstract void Update(float delta);
public virtual void StartState() {}
public virtual void ExitState() {}
protected bool IsCurrentState => Neko.CurrentAIState == this;
}
class BoredState(OnekoLocal neko) : OnekoAIState(neko)
{
float InactivityTimer = 0f;
public override int GetPriority() => 0;
public override void Update(float delta)
{
InactivityTimer += delta;
Neko.Animation = Idle;
if (InactivityTimer > 1.5f && InactivityTimer < 3f) Neko.Animation = Clean;
if (InactivityTimer > 5f) Neko.Animation = ScratchSelf;
if (InactivityTimer > 7f) Neko.Animation = Yawn;
if (InactivityTimer > 8f) Neko.Animation = Sleep;
}
public override void ExitState() => InactivityTimer = 0f;
}
class ChaseMouseState : OnekoAIState
{
Mouse? MouseToChase;
float AlertTimer = 0f;
public ChaseMouseState(OnekoLocal neko) : base(neko)
{
Mouse.Clicked += mouse => {
if (MouseToChase != mouse && Random.Shared.NextSingle() > 0.3f) {
AlertTimer = 0.5f;
MouseToChase = mouse;
}
};
}
public override int GetPriority()
{
MouseToChase ??= Mouse.AllMice.Where(m => m.Visible).MinBy(m => Vector2.Distance(m.Position, Neko.Position));
if (MouseToChase != null && MouseToChase.Visible && Vector2.Distance(MouseToChase.Position, Neko.Position) > 15) return 100;
return -1;
}
public override void Update(float delta)
{
if (AlertTimer < 1f) {
AlertTimer += delta;
Neko.Animation = Alert;
return;
}
if (MouseToChase is null || !MouseToChase.Visible) return;
Neko.MoveTowardsPosition(MouseToChase.Position);
}
public override void ExitState() {
MouseToChase = null;
AlertTimer = 0f;
}
}
class ItchyState(OnekoLocal neko) : OnekoAIState(neko)
{
float ItchTimer = -1f;
bool Cleaning = false;
public override int GetPriority()
{
if (ItchTimer > 0f || Random.Shared.NextSingle() > 0.997f) return 1000;
else return -1;
}
public override void StartState() {
ItchTimer = 1f + Random.Shared.NextSingle()*4f;
Cleaning = Random.Shared.NextSingle() > 0.5f;
}
public override void Update(float delta) {
ItchTimer -= delta;
Neko.Animation = Cleaning ? Clean : ScratchSelf;
}
}
}
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