363 lines
8.4 KiB
C#
363 lines
8.4 KiB
C#
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using System.Collections.Generic;
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using RoR2;
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using RoR2.Audio;
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using UnityEngine;
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namespace EntityStates;
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public class BasicMeleeAttack : BaseState
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{
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[SerializeField]
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public float baseDuration;
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[SerializeField]
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public float damageCoefficient;
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[SerializeField]
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public string hitBoxGroupName;
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[SerializeField]
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public GameObject hitEffectPrefab;
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[SerializeField]
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public float procCoefficient;
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[SerializeField]
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public float pushAwayForce;
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[SerializeField]
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public Vector3 forceVector;
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[SerializeField]
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public float hitPauseDuration;
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[SerializeField]
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public GameObject swingEffectPrefab;
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[SerializeField]
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public string swingEffectMuzzleString;
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[SerializeField]
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public string mecanimHitboxActiveParameter;
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[SerializeField]
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public float shorthopVelocityFromHit;
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[SerializeField]
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public string beginStateSoundString;
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[SerializeField]
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public string beginSwingSoundString;
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[SerializeField]
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public NetworkSoundEventDef impactSound;
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[SerializeField]
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public bool forceForwardVelocity;
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[SerializeField]
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public AnimationCurve forwardVelocityCurve;
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[SerializeField]
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public bool scaleHitPauseDurationAndVelocityWithAttackSpeed;
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[SerializeField]
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public bool ignoreAttackSpeed;
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protected float duration;
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protected HitBoxGroup hitBoxGroup;
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protected Animator animator;
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private OverlapAttack overlapAttack;
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protected bool authorityHitThisFixedUpdate;
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protected float hitPauseTimer;
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protected Vector3 storedHitPauseVelocity;
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private Run.FixedTimeStamp meleeAttackStartTime = Run.FixedTimeStamp.positiveInfinity;
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private GameObject swingEffectInstance;
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private int meleeAttackTicks;
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protected List<HurtBox> hitResults = new List<HurtBox>();
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private bool forceFire;
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protected EffectManagerHelper _emh_swingEffectInstance;
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protected bool authorityInHitPause => hitPauseTimer > 0f;
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private bool meleeAttackHasBegun => meleeAttackStartTime.hasPassed;
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protected bool authorityHasFiredAtAll => meleeAttackTicks > 0;
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protected bool isCritAuthority { get; private set; }
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protected virtual bool allowExitFire => true;
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public virtual string GetHitBoxGroupName()
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{
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return hitBoxGroupName;
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}
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public override void Reset()
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{
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base.Reset();
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duration = 0f;
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hitBoxGroup = null;
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animator = null;
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if (overlapAttack != null)
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{
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overlapAttack.Reset();
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}
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authorityHitThisFixedUpdate = false;
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hitPauseTimer = 0f;
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storedHitPauseVelocity = Vector3.zero;
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meleeAttackStartTime = Run.FixedTimeStamp.positiveInfinity;
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swingEffectInstance = null;
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meleeAttackTicks = 0;
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forceFire = false;
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_emh_swingEffectInstance = null;
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}
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public override void OnEnter()
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{
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base.OnEnter();
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duration = CalcDuration();
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if (duration <= Time.fixedDeltaTime * 2f)
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{
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forceFire = true;
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}
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StartAimMode();
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Util.PlaySound(beginStateSoundString, base.gameObject);
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animator = GetModelAnimator();
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if (base.isAuthority)
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{
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isCritAuthority = RollCrit();
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hitBoxGroup = FindHitBoxGroup(GetHitBoxGroupName());
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if ((bool)hitBoxGroup)
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{
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overlapAttack = new OverlapAttack
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{
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attacker = base.gameObject,
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damage = damageCoefficient * damageStat,
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damageColorIndex = DamageColorIndex.Default,
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damageType = DamageType.Generic,
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forceVector = forceVector,
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hitBoxGroup = hitBoxGroup,
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hitEffectPrefab = hitEffectPrefab,
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impactSound = (impactSound?.index ?? NetworkSoundEventIndex.Invalid),
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inflictor = base.gameObject,
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isCrit = isCritAuthority,
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procChainMask = default(ProcChainMask),
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pushAwayForce = pushAwayForce,
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procCoefficient = procCoefficient,
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teamIndex = GetTeam()
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};
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}
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}
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PlayAnimation();
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}
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protected virtual float CalcDuration()
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{
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if (ignoreAttackSpeed)
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{
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return baseDuration;
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}
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return baseDuration / attackSpeedStat;
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}
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protected virtual void AuthorityModifyOverlapAttack(OverlapAttack overlapAttack)
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{
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}
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public override void FixedUpdate()
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{
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base.FixedUpdate();
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if (string.IsNullOrEmpty(mecanimHitboxActiveParameter))
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{
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BeginMeleeAttackEffect();
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}
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else if (animator.GetFloat(mecanimHitboxActiveParameter) > 0.5f)
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{
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BeginMeleeAttackEffect();
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}
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if (base.isAuthority)
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{
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AuthorityFixedUpdate();
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}
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}
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protected void AuthorityTriggerHitPause()
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{
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if ((bool)base.characterMotor)
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{
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storedHitPauseVelocity += base.characterMotor.velocity;
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base.characterMotor.velocity = Vector3.zero;
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}
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if ((bool)animator)
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{
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animator.speed = 0f;
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}
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if ((bool)swingEffectInstance)
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{
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ScaleParticleSystemDuration component = swingEffectInstance.GetComponent<ScaleParticleSystemDuration>();
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if ((bool)component)
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{
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component.newDuration = 20f;
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}
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}
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hitPauseTimer = (scaleHitPauseDurationAndVelocityWithAttackSpeed ? (hitPauseDuration / attackSpeedStat) : hitPauseDuration);
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}
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protected virtual void BeginMeleeAttackEffect()
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{
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if (meleeAttackStartTime != Run.FixedTimeStamp.positiveInfinity)
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{
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return;
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}
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meleeAttackStartTime = Run.FixedTimeStamp.now;
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Util.PlaySound(beginSwingSoundString, base.gameObject);
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if (!swingEffectPrefab)
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{
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return;
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}
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Transform transform = FindModelChild(swingEffectMuzzleString);
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if ((bool)transform)
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{
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if (!EffectManager.ShouldUsePooledEffect(swingEffectPrefab))
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{
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swingEffectInstance = Object.Instantiate(swingEffectPrefab, transform);
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}
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else
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{
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_emh_swingEffectInstance = EffectManager.GetAndActivatePooledEffect(swingEffectPrefab, transform, inResetLocal: true);
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swingEffectInstance = _emh_swingEffectInstance.gameObject;
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}
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ScaleParticleSystemDuration component = swingEffectInstance.GetComponent<ScaleParticleSystemDuration>();
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if ((bool)component)
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{
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component.newDuration = component.initialDuration;
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}
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}
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}
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protected virtual void AuthorityExitHitPause()
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{
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hitPauseTimer = 0f;
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storedHitPauseVelocity.y = Mathf.Max(storedHitPauseVelocity.y, scaleHitPauseDurationAndVelocityWithAttackSpeed ? (shorthopVelocityFromHit / Mathf.Sqrt(attackSpeedStat)) : shorthopVelocityFromHit);
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if ((bool)base.characterMotor)
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{
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base.characterMotor.velocity = storedHitPauseVelocity;
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}
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storedHitPauseVelocity = Vector3.zero;
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if ((bool)animator)
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{
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animator.speed = 1f;
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}
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if ((bool)swingEffectInstance)
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{
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ScaleParticleSystemDuration component = swingEffectInstance.GetComponent<ScaleParticleSystemDuration>();
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if ((bool)component)
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{
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component.newDuration = component.initialDuration;
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}
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}
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}
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protected virtual void PlayAnimation()
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{
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}
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protected virtual void OnMeleeHitAuthority()
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{
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}
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private void AuthorityFireAttack()
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{
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AuthorityModifyOverlapAttack(overlapAttack);
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hitResults.Clear();
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authorityHitThisFixedUpdate = overlapAttack.Fire(hitResults);
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meleeAttackTicks++;
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if (authorityHitThisFixedUpdate)
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{
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AuthorityTriggerHitPause();
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OnMeleeHitAuthority();
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}
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}
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protected virtual void AuthorityFixedUpdate()
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{
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if (authorityInHitPause)
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{
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hitPauseTimer -= GetDeltaTime();
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if ((bool)base.characterMotor)
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{
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base.characterMotor.velocity = Vector3.zero;
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}
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base.fixedAge -= GetDeltaTime();
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if (!authorityInHitPause)
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{
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AuthorityExitHitPause();
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}
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}
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else if (forceForwardVelocity && (bool)base.characterMotor && (bool)base.characterDirection)
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{
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Vector3 vector = base.characterDirection.forward * forwardVelocityCurve.Evaluate(base.fixedAge / duration);
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_ = base.characterMotor.velocity;
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base.characterMotor.AddDisplacement(new Vector3(vector.x, 0f, vector.z));
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}
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authorityHitThisFixedUpdate = false;
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if (overlapAttack != null && (string.IsNullOrEmpty(mecanimHitboxActiveParameter) || animator.GetFloat(mecanimHitboxActiveParameter) > 0.5f || forceFire))
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{
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AuthorityFireAttack();
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}
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if (duration <= base.fixedAge)
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{
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AuthorityOnFinish();
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}
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}
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public override void OnExit()
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{
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if (base.isAuthority)
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{
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if (!outer.destroying && !authorityHasFiredAtAll && allowExitFire)
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{
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BeginMeleeAttackEffect();
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AuthorityFireAttack();
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}
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if (authorityInHitPause)
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{
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AuthorityExitHitPause();
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}
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}
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if (_emh_swingEffectInstance != null && _emh_swingEffectInstance.OwningPool != null)
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{
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_emh_swingEffectInstance.OwningPool.ReturnObject(_emh_swingEffectInstance);
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}
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else if ((bool)swingEffectInstance)
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{
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EntityState.Destroy(swingEffectInstance);
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}
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swingEffectInstance = null;
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_emh_swingEffectInstance = null;
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if ((bool)animator)
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{
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animator.speed = 1f;
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}
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base.OnExit();
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}
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protected virtual void AuthorityOnFinish()
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{
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outer.SetNextStateToMain();
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}
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}
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