The projectile weapon allows the projectile queue to be fired sequentially.

抛射体武器，允许循序发射抛射体队列了。

prefab/entitys/BlackenedAboriginalWarrior.tscn

@@ -34,6 +34,7 @@ collision_layer = 64
 collision_mask = 38
 script = ExtResource("1_ubaid")
 CharacterName = "character_evil_crow"
+CanMutateAfterDeath = false
 MaxHp = 50
 CampId = "Mazoku"
 

prefab/projectile/Catapult.tscn

@@ -0,0 +1,39 @@
+[gd_scene load_steps=5 format=3 uid="uid://bdxgx5vcof8em"]
+
+[ext_resource type="Script" path="res://scripts/projectile/Projectile.cs" id="1_ib3qh"]
+[ext_resource type="Texture2D" uid="uid://b1twcink38sh0" path="res://sprites/Player.png" id="2_dxg46"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_dgro2"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_8117d"]
+radius = 11.0
+
+[node name="curseOfTheUndead" type="CharacterBody2D"]
+collision_layer = 0
+collision_mask = 0
+script = ExtResource("1_ib3qh")
+Life = 5000
+Durability = 1.0
+MaxDamage = 3
+MinDamage = 10
+DamageType = 2
+KnockbackForce = Vector2(2, -3)
+Speed = 500.0
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_dgro2")
+
+[node name="CollisionDetectionArea" type="Area2D" parent="."]
+collision_layer = 16
+collision_mask = 78
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="CollisionDetectionArea"]
+shape = SubResource("CircleShape2D_8117d")
+
+[node name="AudioStreamPlayer2D" type="AudioStreamPlayer2D" parent="."]
+bus = &"SoundEffect"
+area_mask = 16
+
+[node name="Player" type="Sprite2D" parent="."]
+scale = Vector2(0.3, 0.3)
+texture = ExtResource("2_dxg46")

prefab/weapons/StaffNecromancy.tscn

@@ -1,9 +1,10 @@
-[gd_scene load_steps=8 format=3 uid="uid://dnnn2xyayiehk"]
+[gd_scene load_steps=9 format=3 uid="uid://dnnn2xyayiehk"]
 
 [ext_resource type="Texture2D" uid="uid://wt50kx6bup51" path="res://sprites/weapon/StaffNecromancy.png" id="1_ms3us"]
 [ext_resource type="Script" path="res://scripts/weapon/ProjectileWeapon.cs" id="1_w8hhv"]
 [ext_resource type="PackedScene" uid="uid://c01av43yk1q71" path="res://prefab/projectile/curseOfTheUndead.tscn" id="2_34250"]
 [ext_resource type="Texture2D" uid="uid://dg5vwprt66w4j" path="res://sprites/weapon/StaffNecromancy_Icon.png" id="3_31iau"]
+[ext_resource type="PackedScene" uid="uid://bdxgx5vcof8em" path="res://prefab/projectile/Catapult.tscn" id="3_hk5nr"]
 [ext_resource type="AudioStream" uid="uid://cak6chjjsu7wo" path="res://sounds/fire.wav" id="4_ffr2k"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_obcq2"]
@@ -16,16 +17,14 @@ size = Vector2(49, 5.25)
 collision_layer = 8
 collision_mask = 34
 script = ExtResource("1_w8hhv")
-ProjectileScenes = [ExtResource("2_34250")]
+ProjectileScenes = [ExtResource("2_34250"), ExtResource("3_hk5nr")]
+Sequentially = true
 FiringIntervalAsMillisecond = 300
-_recoil = null
 UniqueIcon = ExtResource("3_31iau")
-_minContactInjury = null
-_maxContactInjury = null
 
 [node name="DamageArea2D" type="Area2D" parent="."]
 collision_layer = 8
-collision_mask = 70
+collision_mask = 102
 
 [node name="CollisionShape2D" type="CollisionShape2D" parent="DamageArea2D"]
 position = Vector2(25.5, 0.5)

scripts/character/CharacterTemplate.cs

@@ -77,6 +77,13 @@ public partial class CharacterTemplate : CharacterBody2D
 
     [Export] public string? CharacterName;
 
+    /// <summary>
+    /// <para>Can mutate after death</para>
+    /// <para>是否允许死后变异</para>
+    /// </summary>
+    [Export]
+    public bool CanMutateAfterDeath { get; set; } = true;
+
     protected IItemContainer? ProtectedItemContainer;
 
     //Item containers are used to store items.

scripts/loot/LootRegister.cs

@@ -19,7 +19,8 @@ public static class LootRegister
                 new LootGroup(0.8f,
                 [
                     new LootEntry("staff_necromancy"),
-                ])
+                ]),
+                new LootGroup(1, [new LootEntry("portable_backpacks")])
             ];
             var testLootList = new LootList(Config.LootListId.Test, lootGroups);
             LootListManager.RegisterLootList(testLootList);

scripts/projectile/Projectile.cs

@@ -3,7 +3,6 @@ using System.Collections.Generic;
 using ColdMint.scripts.camp;
 using ColdMint.scripts.character;
 using ColdMint.scripts.damage;
-using ColdMint.scripts.inventory;
 using ColdMint.scripts.pickable;
 using ColdMint.scripts.projectile.decorator;
 using Godot;
@@ -141,14 +140,12 @@ public partial class Projectile : CharacterBody2D
             //撞击到瓦片时，我们返回true，是为了防止子弹穿透瓦片。
             return true;
         }
-
-        //Match any item now
-        //现在使它识别任何物品
-        if (target is IItem)
+        
+        if (target is PickAbleTemplate pickAbleTemplate)
         {
-            //Bullets are allowed to strike objects.
-            //允许子弹撞击物品。
-            return true;
+            //The picked-up item cannot resist the bullet.
+            //被拾起的物品无法抵挡子弹。
+            return !pickAbleTemplate.Picked;
         }
 
         if (target is not CharacterTemplate characterTemplate)

scripts/projectile/decorator/NodeSpawnOnKillCharacterDecorator.cs

@@ -37,7 +37,7 @@ public class NodeSpawnOnKillCharacterDecorator : IProjectileDecorator
             return;
         }
 
-        if (PackedScenePath == null || DefaultParentNode == null)
+        if (PackedScenePath == null || DefaultParentNode == null || !target.CanMutateAfterDeath)
         {
             return;
         }

scripts/weapon/ProjectileWeapon.cs

@@ -24,12 +24,39 @@ public partial class ProjectileWeapon : WeaponTemplate
 
     [Export] protected PackedScene[] ProjectileScenes { get; set; } = [];
 
+    /// <summary>
+    /// <para>Whether to launch in the order of the projectile list</para>
+    /// <para>是否按照抛射体列表的循序发射</para>
+    /// </summary>
+    [Export]
+    protected bool Sequentially { get; set; }
+
+    private int _projectileIndex;
+
     public override void _Ready()
     {
         base._Ready();
         _marker2D = GetNode<Marker2D>("Marker2D");
     }
 
+    /// <summary>
+    /// <para>GetNextProjectileScene</para>
+    /// <para>获取下一个抛射体</para>
+    /// </summary>
+    /// <returns></returns>
+    private PackedScene GetNextProjectileScene()
+    {
+        if (Sequentially)
+        {
+            _projectileIndex = (_projectileIndex + 1) % ProjectileScenes.Length;
+            return ProjectileScenes[_projectileIndex];
+        }
+        else
+        {
+            return ProjectileScenes[RandomUtils.Instance.Next(ProjectileScenes.Length)];
+        }
+    }
+
 
     protected override void DoFire(Node2D? owner, Vector2 enemyGlobalPosition)
     {
@@ -50,6 +77,7 @@ public partial class ProjectileWeapon : WeaponTemplate
             LogCat.LogError("projectile_container_is_null");
             return;
         }
+
         //Empty list check
         //空列表检查
         if (ProjectileScenes is [])
@@ -60,8 +88,7 @@ public partial class ProjectileWeapon : WeaponTemplate
 
         //Get the first projectile
         //获取第一个抛射体
-        var projectileScene = ProjectileScenes[0];
-        // var projectileScene = _projectileCache[_projectiles[0]];
+        var projectileScene = GetNextProjectileScene();
         var projectile = NodeUtils.InstantiatePackedScene<Projectile>(projectileScene);
         if (projectile == null) return;
         if (Config.IsDebug())
@@ -73,6 +100,7 @@ public partial class ProjectileWeapon : WeaponTemplate
             };
             projectile.AddProjectileDecorator(nodeSpawnOnKillCharacterDecorator);
         }
+
         NodeUtils.CallDeferredAddChild(GameSceneNodeHolder.ProjectileContainer, projectile);
         projectile.Owner = owner;
         projectile.Velocity = (enemyGlobalPosition - _marker2D.GlobalPosition).Normalized() * projectile.Speed;