Traveller/scripts/weapon/WeaponTemplate.cs

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C#
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2024-04-28 13:55:19 +00:00
using System;
using System.Collections.Generic;
using ColdMint.scripts.camp;
using ColdMint.scripts.character;
using ColdMint.scripts.damage;
using ColdMint.scripts.debug;
using ColdMint.scripts.inventory;
using Godot;
namespace ColdMint.scripts.weapon;
/// <summary>
/// <para>WeaponTemplate</para>
/// <para>武器模板</para>
/// </summary>
public partial class WeaponTemplate : RigidBody2D
{
public float gravity = ProjectSettings.GetSetting("physics/2d/default_gravity").AsSingle();
public string Name => GetMeta("Name", "").AsString();
/// <summary>
/// <para>Owner</para>
/// <para>主人</para>
/// </summary>
public Node2D Owner { get; set; }
/// <summary>
/// <para>Enabled contact injury</para>
/// <para>启用接触伤害</para>
/// </summary>
public bool EnableContactInjury;
private int _minContactInjury;
private int _maxContactInjury;
private DateTime? _lastFiringTime;
//开火间隔
private TimeSpan _firingInterval;
/// <summary>
/// <para>The recoil of the weapon</para>
/// <para>武器的后坐力</para>
/// </summary>
/// <remarks>
///<para>When the weapon is fired, how much recoil is applied to the user, in units: the number of cells, and the X direction of the force is automatically inferred.</para>
///<para>武器开火要对使用者施加多大的后坐力单位格数力的X方向是自动推断的。</para>
/// </remarks>
private Vector2 _recoil;
private Area2D _area2D;
protected RayCast2D _rayCast2D;
public override void _Ready()
{
_rayCast2D = GetNode<RayCast2D>("RayCast2D");
_area2D = GetNode<Area2D>("Area2D");
_area2D.BodyEntered += OnBodyEnter;
_firingInterval = TimeSpan.FromMilliseconds(GetMeta("FiringInterval", "100").AsInt64());
_minContactInjury = GetMeta("MinContactInjury", "1").AsInt32();
_maxContactInjury = GetMeta("MaxContactInjury", "2").AsInt32();
_recoil = GetMeta("Recoil", Vector2.Zero).AsVector2();
}
/// <summary>
/// <para>Use weapons against the enemy</para>
/// <para>使用武器砸敌人</para>
/// </summary>
/// <param name="node"></param>
private void OnBodyEnter(Node node)
{
if (!EnableContactInjury)
{
return;
}
if (Owner == null)
{
return;
}
if (Owner is not CharacterTemplate ownerCharacterTemplate)
{
return;
}
if (node is not CharacterTemplate characterTemplate)
{
return;
}
//Determine if your side can cause damage
//判断所属的阵营是否可以造成伤害
var canCauseHarm = CampManager.CanCauseHarm(CampManager.GetCamp(ownerCharacterTemplate.CampId),
CampManager.GetCamp(characterTemplate.CampId));
if (!canCauseHarm)
{
return;
}
//If allowed to cause harm
//如果允许造成伤害
Owner = null;
var damage = new Damage
{
MaxDamage = Math.Abs(_maxContactInjury),
MinDamage = Math.Abs(_minContactInjury)
};
damage.Attacker = ownerCharacterTemplate;
damage.CreateDamage();
damage.MoveLeft = LinearVelocity.X < 0;
damage.Type = Config.DamageType.Physical;
characterTemplate.Damage(damage);
}
/// <summary>
/// <para>翻转武器</para>
/// </summary>
/// <param name="FacingLeft"></param>
public void Flip(bool FacingLeft)
{
}
public override void _PhysicsProcess(double delta)
{
base._PhysicsProcess(delta);
if (_rayCast2D.IsColliding())
{
//If the weapon hits the ground, we disable physical damage.
//如果武器落到地面了,我们禁用物理伤害。
EnableContactInjury = false;
//Items can be pushed by the player when they are on the ground
//当物品在地面上时,可被玩家推动
SetCollisionMaskValue(Config.LayerNumber.Player, true);
}
else
{
SetCollisionMaskValue(Config.LayerNumber.Player, false);
}
}
/// <summary>
/// <para>Discharge of the weapon</para>
/// <para>武器开火</para>
/// </summary>
/// <remarks>
///<param name="owner">
///<para>owner</para>
///<para>武器所有者</para>
/// </param>
/// <param name="enemyGlobalPosition">
///<para>enemyGlobalPosition</para>
///<para>敌人所在位置</para>
/// </param>
/// </remarks>
public void Fire(Node2D owner, Vector2 enemyGlobalPosition)
{
var nowTime = DateTime.Now;
if (_lastFiringTime == null || nowTime - _lastFiringTime > _firingInterval)
{
if (owner is CharacterTemplate characterTemplate)
{
//我们在每次开火之前,检查武器的后坐力。
if (_recoil != Vector2.Zero)
{
//假设此武器拥有后坐力
var force = new Vector2();
var forceX = Math.Abs(_recoil.X);
if (Math.Abs(RotationDegrees) < 90)
{
//The weapon goes to the right and we apply a recoil to the left
//武器朝向右边我们向左施加后坐力
forceX = -forceX;
}
force.X = forceX * Config.CellSize;
force.Y = _recoil.Y * Config.CellSize;
characterTemplate.AddForce(force);
}
}
//If the time difference is greater than the firing interval, then fire
//如果可以时间差大于开火间隔,那么开火
DoFire(owner, enemyGlobalPosition);
_lastFiringTime = nowTime;
}
}
/// <summary>
/// <para>Execute fire</para>
/// <para>执行开火</para>
/// </summary>
protected virtual void DoFire(Node2D owner, Vector2 enemyGlobalPosition)
{
}
}