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using Sandbox;
using System.Collections.Generic;
namespace MurderGame;
public partial class Weapon : AnimatedEntity
{
public WeaponViewModel ViewModelEntity { get; protected set; }
public BaseViewModel HandModelEntity { get; protected set; }
public Player Pawn => Owner as Player;
public AnimatedEntity EffectEntity => Camera.FirstPersonViewer == Owner ? ViewModelEntity : this;
public virtual string ViewModelPath => null;
public virtual string ModelPath => null;
public virtual string HandsModelPath => null;
public virtual float PrimaryRate => 5f;
public virtual float ReloadTime => 3.5f;
[Net, Predicted] public TimeSince TimeSincePrimaryAttack { get; set; }
[Net, Predicted] public TimeSince TimeSinceReload { get; set; }
[Net, Predicted] public TimeUntil TimeUntilReloadComplete { get; set; }
[Net, Predicted] public bool Reloading { get; set; }
[Net, Predicted] public int Ammo { get; set; }
[Net, Predicted] public int MaxAmmo { get; set; }
public override void Spawn()
{
EnableHideInFirstPerson = true;
EnableShadowInFirstPerson = true;
EnableDrawing = false;
if ( ModelPath != null )
{
SetModel( ModelPath );
}
}
public void ChangeOwner( Player pawn )
{
Owner = pawn;
SetParent( pawn, true );
}
public void OnEquip( Player pawn )
{
if (Owner == null)
{
Owner = pawn;
SetParent( pawn, true );
}
EnableDrawing = true;
CreateViewModel( To.Single( pawn ) );
}
public void OnHolster()
{
Reloading = false;
EnableDrawing = false;
DestroyViewModel( To.Single( Owner ) );
Owner = null;
}
public override void Simulate( IClient player )
{
Animate();
if (Reloading && TimeUntilReloadComplete)
{
Reloading = false;
Ammo = MaxAmmo;
}
if ( CanPrimaryAttack() )
{
using ( LagCompensation() )
{
TimeSincePrimaryAttack = 0;
PrimaryAttack();
}
}
else if (Input.Down("reload") && !Reloading && Ammo != MaxAmmo)
{
Reload();
Reloading = true;
TimeUntilReloadComplete = ReloadTime;
}
}
public virtual bool CanPrimaryAttack()
{
if ( !Owner.IsValid() || !Input.Down( "attack1" ) ) return false;
var rate = PrimaryRate;
if ( rate <= 0 ) return true;
return !Reloading && TimeSincePrimaryAttack > (1 / rate);
}
public virtual void PrimaryAttack()
{
}
public virtual void Reload()
{
}
protected virtual void Animate()
{
}
public virtual IEnumerable<TraceResult> TraceBullet( Vector3 start, Vector3 end, float radius = 2.0f )
{
bool underWater = Trace.TestPoint( start, "water" );
var trace = Trace.Ray( start, end )
.UseHitboxes()
.WithAnyTags( "solid", "livingplayer", "npc" )
.Ignore( this )
.Size( radius );
if ( !underWater )
trace = trace.WithAnyTags( "water" );
var tr = trace.Run();
if ( tr.Hit )
yield return tr;
}
public virtual void ShootBullet( Vector3 pos, Vector3 dir, float spread, float force, float damage, float bulletSize )
{
var forward = dir;
forward += (Vector3.Random + Vector3.Random + Vector3.Random + Vector3.Random) * spread * 0.25f;
forward = forward.Normal;
foreach ( var tr in TraceBullet( pos, pos + forward * 5000, bulletSize ) )
{
tr.Surface.DoBulletImpact( tr );
if ( !Game.IsServer ) continue;
if ( !tr.Entity.IsValid() || !tr.Entity.Tags.Has("player") ) continue;
using ( Prediction.Off() )
{
var damageInfo = DamageInfo.FromBullet( tr.EndPosition, forward * 100 * force, damage )
.UsingTraceResult( tr )
.WithAttacker( Owner )
.WithWeapon( this );
tr.Entity.TakeDamage( damageInfo );
}
}
}
public virtual void ShootBullet( float force, float damage, float bulletSize )
{
Game.SetRandomSeed( Time.Tick );
var ray = Owner.AimRay;
ShootBullet( ray.Position, ray.Forward, 0, force, damage, bulletSize );
}
public virtual bool Melee( float force, float damage )
{
var ray = Owner.AimRay;
var forward = ray.Forward.Normal;
var pos = ray.Position;
bool hit = false;
foreach (var tr in TraceBullet(pos, pos + forward * 50, 20))
{
tr.Surface.DoBulletImpact(tr);
hit = true;
if ( !Game.IsServer ) continue;
if ( !tr.Entity.IsValid() || !tr.Entity.Tags.Has("player") ) continue;
using (Prediction.Off())
{
var damageInfo = DamageInfo.FromBullet( tr.EndPosition, forward.Normal * 100 * force, damage )
.UsingTraceResult(tr)
.WithAttacker(Owner)
.WithWeapon(this);
tr.Entity.TakeDamage(damageInfo);
}
}
return hit;
}
[ClientRpc]
public void CreateViewModel()
{
DestroyViewModel();
if ( ViewModelPath == null ) return;
var vm = new WeaponViewModel( this );
vm.Model = Model.Load( ViewModelPath );
vm.Owner = Owner;
vm.Parent = Game.LocalPawn;
ViewModelEntity = vm;
if (!string.IsNullOrEmpty(HandsModelPath))
{
HandModelEntity = new BaseViewModel();
HandModelEntity.Owner = Owner;
HandModelEntity.EnableViewmodelRendering = true;
HandModelEntity.SetModel(HandsModelPath);
HandModelEntity.SetParent(ViewModelEntity, true);
}
}
[ClientRpc]
public void DestroyViewModel()
{
if ( ViewModelEntity.IsValid() )
{
ViewModelEntity.Delete();
}
if ( HandModelEntity.IsValid() )
{
HandModelEntity.Delete();
}
}
}
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