using System.Reflection;
using System;
using System.Collections.Generic;
using Godot;
/// <summary>
/// 武器管理类, 负责武器注册和创建
/// </summary>
public static class WeaponManager
{
private static Dictionary<string, Func<Weapon>> registerData = new Dictionary<string, Func<Weapon>>();
/// <summary>
/// 从一个指定的程序集中扫描并注册武器对象
/// </summary>
/// <param name="assembly">查询集</param>
public static void RegisterWeaponFromAssembly(Assembly assembly)
{
var types = assembly.GetTypes();
foreach (var type in types)
{
//注册类
Attribute[] attribute = Attribute.GetCustomAttributes(type, typeof(RegisterWeapon), false);
if (attribute != null && attribute.Length > 0)
{
if (!typeof(Weapon).IsAssignableFrom(type))
{
throw new Exception($"注册武器类'{type.FullName}'没有继承类'Weapon'!");
}
var atts = (RegisterWeapon[])attribute;
foreach (var att in atts)
{
//注册类
if (att.AttributeType == null) //没有指定属性类型
{
RegisterWeapon(att.Id, () =>
{
return Activator.CreateInstance(type, att.Id, new WeaponAttribute()) as Weapon;
});
}
else
{
if (!typeof(WeaponAttribute).IsAssignableFrom(att.AttributeType))
{
throw new Exception($"注册武器类'{type.FullName}'标注的特性中参数'AttributeType'类型没有继承'WeaponAttribute'!");
}
RegisterWeapon(att.Id, () =>
{
return Activator.CreateInstance(type, att.Id, Activator.CreateInstance(att.AttributeType)) as Weapon;
});
}
}
}
//注册函数
MethodInfo[] methods = type.GetMethods(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static);
foreach (var method in methods)
{
Attribute mAttribute;
//
if ((mAttribute = Attribute.GetCustomAttribute(method, typeof(RegisterWeaponFunction), false)) != null)
{
if (!typeof(Weapon).IsAssignableFrom(method.ReturnType)) //返回值类型不是 Weapon
{
throw new Exception($"注册武器函数'{method.DeclaringType.FullName}.{method.Name}'返回值类型不为'Weapon'!");
}
var args = method.GetParameters();
if (args == null || args.Length != 1 || args[0].ParameterType != typeof(string)) //参数类型不正确
{
throw new Exception($"注册武器函数'{method.DeclaringType.FullName}.{method.Name}'参数不满足(string id)类型");
}
var att = (RegisterWeaponFunction)mAttribute;
//注册函数
RegisterWeapon(att.Id, () =>
{
return method.Invoke(null, new object[] { att.Id }) as Weapon;
});
}
}
}
}
/// <summary>
/// 注册当个武器对象
/// </summary>
/// <param name="id">武器唯一id, 该id不能重复</param>
/// <param name="callBack">获取武器时的回调函数, 函数返回武器对象</param>
public static void RegisterWeapon(string id, Func<Weapon> callBack)
{
if (registerData.ContainsKey(id))
{
throw new Exception($"武器id: '{id} 已经被注册!'");
}
registerData.Add(id, callBack);
}
/// <summary>
/// 根据武器唯一id获取
/// </summary>
/// <param name="id">武器id</param>
public static Weapon GetGun(string id)
{
if (registerData.TryGetValue(id, out var callback))
{
return callback();
}
throw new Exception($"当前武器'{id}未被注册'");
}
/// <summary>
/// 根据武器唯一id获取
/// </summary>
/// <param name="id">武器id</param>
public static T GetGun<T>(string id) where T : Weapon
{
return (T)GetGun(id);
}
//----------------------------- 以下均为临时处理 -------------------------------
/*
public static Weapon GetGun1()
{
//加载枪的 prefab
var gun = ResourceManager.LoadWeaponAndInstance("res://prefab/weapon/Weapon.tscn");
//设置基础属性
var attr = new WeaponAttribute();
attr.Id = "1";
attr.Name = "Gun1";
attr.Weight = 40;
attr.CenterPosition = new Vector2(0.4f, -2.6f);
attr.StartFiringSpeed = 480;
attr.StartScatteringRange = 30;
attr.FinalScatteringRange = 90;
attr.ScatteringRangeAddValue = 2f;
attr.ScatteringRangeBackSpeed = 40;
//连发
attr.ContinuousShoot = true;
//扳机检测间隔
attr.TriggerInterval = 0f;
//连发数量
attr.MinContinuousCount = 3;
attr.MaxContinuousCount = 3;
//开火前延时
attr.DelayedTime = 0f;
//攻击距离
attr.MinDistance = 500;
attr.MaxDistance = 600;
//发射子弹数量
attr.MinFireBulletCount = 1;
attr.MaxFireBulletCount = 1;
//抬起角度
attr.UpliftAngle = 10;
//枪身长度
attr.FirePosition = new Vector2(16, 1.5f);
attr.Sprite = ResourceManager.Load<Texture>("res://resource/sprite/gun/gun4.png");
attr.BulletPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/bullet/OrdinaryBullets.tscn");
attr.ShellPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/shell/ShellCase.tscn");
gun.Init(attr);
return gun;
}
public static Weapon GetGun2()
{
//加载枪的 prefab
var gun = ResourceManager.LoadWeaponAndInstance("res://prefab/weapon/Weapon.tscn");
//设置基础属性
var attr = new WeaponAttribute();
attr.Id = "2";
attr.Name = "Gun2";
attr.Weight = 20;
attr.CenterPosition = new Vector2(0.4f, -2.6f);
attr.WeightType = WeaponWeightType.DeputyWeapon;
attr.StartFiringSpeed = 600;
attr.StartScatteringRange = 5;
attr.FinalScatteringRange = 60;
attr.ScatteringRangeAddValue = 8f;
attr.ScatteringRangeBackSpeed = 40;
//连发
attr.ContinuousShoot = false;
//扳机检测间隔
attr.TriggerInterval = 0.4f;
//连发数量
attr.MinContinuousCount = 3;
attr.MaxContinuousCount = 3;
//开火前延时
attr.DelayedTime = 0f;
//攻击距离
attr.MinDistance = 500;
attr.MaxDistance = 600;
//发射子弹数量
attr.MinFireBulletCount = 1;
attr.MaxFireBulletCount = 1;
//抬起角度
attr.UpliftAngle = 30;
//枪身长度
attr.FirePosition = new Vector2(10, 1.5f);
attr.Sprite = ResourceManager.Load<Texture>("res://resource/sprite/gun/gun3.png");
attr.BulletPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/bullet/HighSpeedBullet.tscn");
attr.ShellPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/shell/ShellCase.tscn");
gun.Init(attr);
return gun;
}
public static Weapon GetGun3()
{
//加载枪的 prefab
var gun = ResourceManager.LoadWeaponAndInstance("res://prefab/weapon/gun/Shotgun.tscn");
//设置基础属性
var attr = new WeaponAttribute();
attr.Id = "3";
attr.Name = "Gun3";
attr.Weight = 30;
attr.CenterPosition = new Vector2(0.4f, -2.6f);
attr.StartFiringSpeed = 180;
attr.StartScatteringRange = 30;
attr.FinalScatteringRange = 90;
attr.ScatteringRangeAddValue = 2f;
attr.ScatteringRangeBackSpeed = 40;
//连发
attr.ContinuousShoot = false;
//装弹时间
attr.ReloadTime = 0.4f;
//单独装弹
attr.AloneReload = true;
attr.AloneReloadCount = 1;
attr.AloneReloadCanShoot = true;
//扳机检测间隔
attr.TriggerInterval = 0f;
//连发数量
attr.MinContinuousCount = 1;
attr.MaxContinuousCount = 1;
//开火前延时
attr.DelayedTime = 0f;
//攻击距离
attr.MinDistance = 150;
attr.MaxDistance = 200;
//发射子弹数量
attr.MinFireBulletCount = 1;
attr.MaxFireBulletCount = 1;
//抬起角度
attr.UpliftAngle = 10;
//枪身长度
attr.FirePosition = new Vector2(16, 1.5f);
attr.Sprite = ResourceManager.Load<Texture>("res://resource/sprite/gun/gun2.png");
attr.BulletPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/bullet/OrdinaryBullets.tscn");
attr.ShellPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/shell/ShellCase.tscn");
gun.Init(attr);
return gun;
}
public static Weapon GetGun4()
{
//加载枪的 prefab
var gun = ResourceManager.LoadWeaponAndInstance("res://prefab/weapon/Weapon.tscn");
//设置基础属性
var attr = new WeaponAttribute();
attr.Id = "4";
attr.Name = "Gun4";
attr.Weight = 10;
attr.CenterPosition = new Vector2(0.4f, -2.6f);
attr.WeightType = WeaponWeightType.DeputyWeapon;
attr.StartFiringSpeed = 600;
attr.StartScatteringRange = 5;
attr.FinalScatteringRange = 60;
attr.ScatteringRangeAddValue = 8f;
attr.ScatteringRangeBackSpeed = 40;
//连发
attr.ContinuousShoot = false;
//扳机检测间隔
attr.TriggerInterval = 0.4f;
//连发数量
attr.MinContinuousCount = 3;
attr.MaxContinuousCount = 3;
//开火前延时
attr.DelayedTime = 0f;
//攻击距离
attr.MinDistance = 500;
attr.MaxDistance = 600;
//发射子弹数量
attr.MinFireBulletCount = 1;
attr.MaxFireBulletCount = 1;
//抬起角度
attr.UpliftAngle = 30;
//枪身长度
attr.FirePosition = new Vector2(10, 1.5f);
attr.Sprite = ResourceManager.Load<Texture>("res://resource/sprite/gun/gun7.png");
attr.BulletPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/bullet/HighSpeedBullet.tscn");
attr.ShellPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/shell/ShellCase.tscn");
gun.Init(attr);
return gun;
}
public static Weapon GetGun5()
{
//加载枪的 prefab
var gun = ResourceManager.LoadWeaponAndInstance("res://prefab/weapon/Weapon.tscn");
//设置基础属性
var attr = new WeaponAttribute();
attr.Id = "5";
attr.Name = "Gun5";
attr.Weight = 10;
attr.CenterPosition = new Vector2(0.4f, -2.6f);
attr.WeightType = WeaponWeightType.DeputyWeapon;
attr.StartFiringSpeed = 480;
attr.StartScatteringRange = 5;
attr.FinalScatteringRange = 30;
attr.ScatteringRangeAddValue = 8f;
attr.ScatteringRangeBackSpeed = 40;
//连发
attr.ContinuousShoot = true;
//扳机检测间隔
attr.TriggerInterval = 0.4f;
//连发数量
attr.MinContinuousCount = 1;
attr.MaxContinuousCount = 1;
//开火前延时
attr.DelayedTime = 0f;
//攻击距离
attr.MinDistance = 500;
attr.MaxDistance = 600;
//发射子弹数量
attr.MinFireBulletCount = 1;
attr.MaxFireBulletCount = 1;
//弹夹容量
attr.AmmoCapacity = 120;
attr.MaxAmmoCapacity = 360;
//抬起角度
attr.UpliftAngle = 30;
//枪身长度
attr.FirePosition = new Vector2(10, 1.5f);
attr.Sprite = ResourceManager.Load<Texture>("res://resource/sprite/gun/gun5.png");
attr.BulletPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/bullet/HighSpeedBullet.tscn");
attr.ShellPack = ResourceManager.Load<PackedScene>("res://prefab/weapon/shell/ShellCase.tscn");
gun.Init(attr);
return gun;
}
*/
}
