Allows players to reload projectiles on their weapons.

允许玩家对武器装填抛射体了。

locals/Log.csv

@@ -113,4 +113,4 @@ log_enter_the_screen,进入屏幕。,Enter screen,画面に移動。
 log_exit_the_screen,退出屏幕。,Exit screen,画面を終了します。
 log_failed_to_create_room_preview,创建{0}的房间预览图失败。,Failed to create a room preview of the {0}.,{0}の部屋のプレビューを作成できませんでした。
 log_generated_item_is_empty,生成的物品{0}是空的吗{1}。,Generated item {0} is empty {1}.,生成したアイテム{0}は空ですか{1}。
-log_magics_is_null,法术列表是空的。,The spell list is empty.,スペルリストは空です。
+log_projectile_generate_magic_is_null,没有装填可提供抛射体的法术。,There is no reload spell that provides projectiles.,射出体を提供するスペルを装填していません。

prefab/magics/curseOfTheUndead.tscn

@@ -1,6 +1,6 @@
 [gd_scene load_steps=6 format=3 uid="uid://crthy8a50a4t"]
 
-[ext_resource type="Script" path="res://scripts/pickable/MagicPickAble.cs" id="1_5mane"]
+[ext_resource type="Script" path="res://scripts/spell/SpellPickAble.cs" id="1_v0grp"]
 [ext_resource type="AudioStream" uid="uid://cak6chjjsu7wo" path="res://sounds/fire.wav" id="4_ffr2k"]
 [ext_resource type="Texture2D" uid="uid://bbcjkyrsx88av" path="res://sprites/projectile/curseOfTheUndead.png" id="4_y6nkf"]
 
@@ -14,8 +14,8 @@ size = Vector2(20, 20.75)
 collision_layer = 8
 collision_mask = 34
 angular_damp = -1.0
-script = ExtResource("1_5mane")
-UniqueIcon = ExtResource("4_y6nkf")
+script = ExtResource("1_v0grp")
+_projectilePath = "res://prefab/projectile/curseOfTheUndead.tscn"
 
 [node name="DamageArea2D" type="Area2D" parent="."]
 collision_layer = 8

prefab/weapons/StaffNecromancy.tscn

@@ -16,7 +16,7 @@ collision_layer = 8
 collision_mask = 34
 angular_damp = -1.0
 script = ExtResource("1_w8hhv")
-NumberSlots = 5
+_numberSlots = 5
 FiringIntervalAsMillisecond = 300
 _recoilStrength = 5
 UniqueIcon = ExtResource("3_31iau")

scenes/game.tscn

@@ -118,7 +118,7 @@ visible = false
 
 [node name="WeaponContainer" type="Node2D" parent="."]
 
-[node name="MagicContainer" type="Node2D" parent="."]
+[node name="SpellContainer" type="Node2D" parent="."]
 
 [node name="PlayerContainer" type="Node2D" parent="."]
 

scripts/Config.cs

@@ -227,14 +227,14 @@ public static class Config
         public const int ProjectileWeapon = 3;
 
         /// <summary>
-        /// <para>Magic</para>
+        /// <para>Spell</para>
         /// <para>法术</para>
         /// </summary>
         /// <remarks>
         ///<para>Type of special item used in Projectile weapons</para>
         ///<para>用于远程武器内的特殊物品类型</para>
         /// </remarks>
-        public const int Magic = 4;
+        public const int Spell = 4;
     }
 
     /// <summary>

scripts/GameSceneDepend.cs

@@ -50,10 +50,10 @@ public static class GameSceneDepend
     public static Node2D? ProjectileContainer { get; set; }
     
     /// <summary>
-    /// <para>MagicContainer</para>
+    /// <para>SpellContainer</para>
     /// <para>法术容器</para>
     /// </summary>
-    public static Node2D? MagicContainer { get; set; }
+    public static Node2D? SpellContainer { get; set; }
 
     /// <summary>
     /// <para>WeaponContainer</para>

scripts/loader/sceneLoader/GameSceneLoader.cs

@@ -47,8 +47,8 @@ public partial class GameSceneLoader : SceneLoaderTemplate
         GameSceneDepend.ProjectileContainer = projectileContainer;
         //Load magic container
         //加载魔术容器
-        var magicContainer = GetNode<Node2D>("MagicContainer");
-        GameSceneDepend.MagicContainer = magicContainer;
+        var magicContainer = GetNode<Node2D>("SpellContainer");
+        GameSceneDepend.SpellContainer = magicContainer;
         //Load Packsack container
         //加载背包容器
         var packsackContainer = GetNode<Node2D>("PacksackContainer");

scripts/projectile/ISpell.cs

@@ -4,14 +4,14 @@ using Godot;
 namespace ColdMint.scripts.projectile;
 
 /// <summary>
-/// <para>Magic</para>
+/// <para>Spell</para>
 /// <para>法术</para>
 /// </summary>
 /// <remarks>
 ///<para>For projectile weapons</para>
 ///<para>用于抛射体武器</para>
 /// </remarks>
-public interface IMagic
+public interface ISpell
 {
     /// <summary>
     /// <para>GetProjectile</para>

scripts/spell/SpellPickAble.cs

@@ -1,8 +1,9 @@
+using ColdMint.scripts.pickable;
 using ColdMint.scripts.projectile;
 using ColdMint.scripts.weapon;
 using Godot;
 
-namespace ColdMint.scripts.pickable;
+namespace ColdMint.scripts.spell;
 
 /// <summary>
 /// <para>magic</para>
@@ -12,8 +13,9 @@ namespace ColdMint.scripts.pickable;
 ///<para>For projectile weapons</para>
 ///<para>用于抛射体武器</para>
 /// </remarks>
-public partial class MagicPickAble : PickAbleTemplate, IMagic
+public partial class SpellPickAble : PickAbleTemplate, ISpell
 {
+    [Export]
     private string? _projectilePath;
 
     private PackedScene? _projectileScene;
@@ -28,7 +30,7 @@ public partial class MagicPickAble : PickAbleTemplate, IMagic
 
     public override int ItemType
     {
-        get => Config.ItemType.Magic;
+        get => Config.ItemType.Spell;
     }
 
     public PackedScene? GetProjectile()

scripts/utils/NodeUtils.cs

@@ -235,9 +235,9 @@ public static class NodeUtils
             return GameSceneDepend.ProjectileContainer;
         }
         
-        if (GameSceneDepend.MagicContainer != null && childNode is IMagic)
+        if (GameSceneDepend.SpellContainer != null && childNode is ISpell)
         {
-            return GameSceneDepend.MagicContainer;
+            return GameSceneDepend.SpellContainer;
         }
         
         if (GameSceneDepend.WeaponContainer != null && childNode is WeaponTemplate)

scripts/weapon/ProjectileWeapon.cs

@@ -3,6 +3,7 @@ using ColdMint.scripts.debug;
 using ColdMint.scripts.inventory;
 using ColdMint.scripts.map.events;
 using ColdMint.scripts.projectile;
+using ColdMint.scripts.utils;
 using Godot;
 
 namespace ColdMint.scripts.weapon;
@@ -27,9 +28,81 @@ public partial class ProjectileWeapon : WeaponTemplate
     /// <para>Number of slots for ranged weapons</para>
     /// <para>远程武器的槽位数量</para>
     /// </summary>
-    [Export] public int NumberSlots { get; set; }
+    [Export]
+    private int _numberSlots;
 
-    private readonly List<IMagic> _magics = new();
+    /// <summary>
+    /// <para>How many projectiles are generated per fire</para>
+    /// <para>每次开火生成多少个抛射体</para>
+    /// </summary>
+    public int NumberOfProjectiles { get; set; } = 1;
+
+    private readonly List<ISpell> _spells = new();
+    /// <summary>
+    /// <para>Saves the position of a spell with projectile generation</para>
+    /// <para>保存具有抛射体生成能力的法术位置</para>
+    /// </summary>
+    private readonly List<int> _spellProjectileIndexes = new();
+
+    /// <summary>
+    /// <para>Whether to fire spells in sequence</para>
+    /// <para>是否按顺序发射法术</para>
+    /// </summary>
+    [Export]
+    private bool _fireSequentially;
+
+    /// <summary>
+    /// <para>The index used the last time a spell was cast</para>
+    /// <para>上次发射法术时采用的索引</para>
+    /// </summary>
+    private int _lastUsedProjectileMagicIndex;
+
+    /// <summary>
+    /// <para>Get next index</para>
+    /// <para>获取下次索引</para>
+    /// </summary>
+    /// <returns></returns>
+    private int GetNextProjectileMagicIndex()
+    {
+        if (_fireSequentially)
+        {
+            _lastUsedProjectileMagicIndex++;
+            if (_lastUsedProjectileMagicIndex >= _spellProjectileIndexes.Count)
+            {
+                return 0;
+            }
+            return _lastUsedProjectileMagicIndex;
+        }
+        else
+        {
+            return RandomUtils.Instance.Next(0, _spellProjectileIndexes.Count);
+        }
+    }
+
+    /// <summary>
+    /// <para>Gets the loading range of the spell</para>
+    /// <para>获取法术的加载范围</para>
+    /// </summary>
+    /// <returns></returns>
+    private int[] GetSpellScope()
+    {
+        var index = GetNextProjectileMagicIndex();
+        var endIndex = _spellProjectileIndexes[index];
+        if (index > 0)
+        {
+            //And the previous index can set the starting position.(The starting position is increased by 1 to avoid using spells with projectile generation as starting points.)
+            //还有前面的索引可设定起始位置。(这里起始位置加1是为了避免 具有抛射体生成能力的法术 作为起点。)
+            var startIndex = _spellProjectileIndexes[index - 1] + 1;
+            return [startIndex, endIndex];
+        }
+        else
+        {
+            return
+            [
+                0, endIndex
+            ];
+        }
+    }
 
     public override int ItemType
     {
@@ -40,9 +113,8 @@ public partial class ProjectileWeapon : WeaponTemplate
     {
         base._Ready();
         _marker2D = GetNode<Marker2D>("Marker2D");
-        SelfItemContainer = new UniversalItemContainer(NumberSlots);
-        SelfItemContainer.AllowAddingItemByType(Config.ItemType.Magic);
-        SelfItemContainer.ItemDataChangeEvent += OnItemDataChangeEvent;
+        SelfItemContainer = new UniversalItemContainer(_numberSlots);
+        SelfItemContainer.AllowAddingItemByType(Config.ItemType.Spell);
     }
 
     private void OnItemDataChangeEvent(ItemDataChangeEvent itemDataChangeEvent)
@@ -51,7 +123,8 @@ public partial class ProjectileWeapon : WeaponTemplate
         {
             return;
         }
-        _magics.Clear();
+        _spells.Clear();
+        _spellProjectileIndexes.Clear();
         var totalCapacity = SelfItemContainer.GetTotalCapacity();
         for (var i = 0; i < totalCapacity; i++)
         {
@@ -60,11 +133,27 @@ public partial class ProjectileWeapon : WeaponTemplate
             {
                 continue;
             }
-            if (item is not IMagic magic)
+            if (item is not ISpell spell)
             {
                 continue;
             }
-            _magics.Add(magic);
+            _spells.Add(spell);
+            var packedScene = spell.GetProjectile();
+            if (packedScene != null)
+            {
+                //Has the ability to generate projectiles.
+                //拥有抛射体生成能力。
+                _spellProjectileIndexes.Add(i);
+            }
+        }
+    }
+
+    public override void _EnterTree()
+    {
+        base._EnterTree();
+        if (SelfItemContainer != null)
+        {
+            SelfItemContainer.ItemDataChangeEvent += OnItemDataChangeEvent;
         }
     }
 
@@ -96,10 +185,45 @@ public partial class ProjectileWeapon : WeaponTemplate
             LogCat.LogError("projectile_container_is_null");
             return;
         }
-        if (_magics.Count == 0)
+        if (_spellProjectileIndexes.Count == 0)
         {
-            LogCat.LogError("magics_is_null");
+            LogCat.LogError("projectile_generate_magic_is_null");
             return;
         }
+        var spellScope = GetSpellScope();
+        //The final spell is a projectile generator.
+        //最后的法术是拥有抛射体生成能力的。
+        var spellProjectile = _spells[spellScope[1]];
+        var packedScene = spellProjectile.GetProjectile();
+        if (packedScene == null)
+        {
+            return;
+        }
+        for (var i = spellScope[0]; i <= spellScope[1]; i++)
+        {
+            var spell = _spells[i];
+            spell.ModifyWeapon(this);
+        }
+        for (var i = 0; i < NumberOfProjectiles; i++)
+        {
+            var projectile = NodeUtils.InstantiatePackedScene<Projectile>(packedScene);
+            if (projectile == null) return;
+            for (var s = spellScope[0]; s <= spellScope[1]; s++)
+            {
+                var spell = _spells[s];
+                spell.ModifyProjectile(projectile);
+            }
+            NodeUtils.CallDeferredAddChild(GameSceneDepend.ProjectileContainer, projectile);
+            projectile.Owner = owner;
+            projectile.TargetNode = GameSceneDepend.TemporaryTargetNode;
+            projectile.Velocity =
+                _marker2D.GlobalPosition.DirectionTo(enemyGlobalPosition) * projectile.Speed;
+            projectile.Position = _marker2D.GlobalPosition;
+        }
+        for (var i = spellScope[0]; i <= spellScope[1]; i++)
+        {
+            var spell = _spells[i];
+            spell.RestoreWeapon(this);
+        }
     }
 }