Effect system and snowpea

assets/sprites/plants/snowpea.tres

@@ -0,0 +1,7 @@
+[gd_resource type="AtlasTexture" load_steps=2 format=3 uid="uid://cu7h8bot6jlug"]
+
+[ext_resource type="Texture2D" uid="uid://dvldjlg0nr355" path="res://assets/sprites/atlases/atlas1.png" id="1_pt3id"]
+
+[resource]
+atlas = ExtResource("1_pt3id")
+region = Rect2(253, 5, 43, 54)

assets/sprites/plants/snowpea_projectile.tres

@@ -0,0 +1,7 @@
+[gd_resource type="AtlasTexture" load_steps=2 format=3 uid="uid://dn4l67snkx5mr"]
+
+[ext_resource type="Texture2D" uid="uid://dvldjlg0nr355" path="res://assets/sprites/atlases/atlas1.png" id="1_ljncc"]
+
+[resource]
+atlas = ExtResource("1_ljncc")
+region = Rect2(18, 130, 12, 12)

resources/effects/SnowSlow.tres

@@ -0,0 +1,9 @@
+[gd_resource type="Resource" load_steps=2 format=3 uid="uid://7uj0oe656jfx"]
+
+[ext_resource type="Script" path="res://scripts/systems/effects/SlownessEffect.cs" id="1_8md01"]
+
+[resource]
+script = ExtResource("1_8md01")
+ColorOverride = Color(0, 1, 1, 1)
+Duration = 10.0
+Multiplier = 0.75

resources/plants/Snowpea.tres

@@ -0,0 +1,14 @@
+[gd_resource type="Resource" script_class="PlantResource" load_steps=4 format=3 uid="uid://duflq3eexs6m"]
+
+[ext_resource type="Script" path="res://scripts/resources/PlantResource.cs" id="1_0cpi0"]
+[ext_resource type="Texture2D" uid="uid://cu7h8bot6jlug" path="res://assets/sprites/plants/snowpea.tres" id="1_7fyy2"]
+[ext_resource type="PackedScene" uid="uid://b7innrovtmf5u" path="res://scenes/entities/plants/snowpea.tscn" id="2_k47h0"]
+
+[resource]
+script = ExtResource("1_0cpi0")
+Cost = 175
+Scene = ExtResource("2_k47h0")
+ReloadTime = 5.0
+StartReloadTime = 0.0
+Preview = ExtResource("1_7fyy2")
+Layer = 1

scenes/entities/Zombies/zombie.tscn

@@ -17,10 +17,10 @@ shader_parameter/blend_color = Color(1, 1, 1, 1)
 shader_parameter/amount = null
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_hxyad"]
-size = Vector2(24, 84)
+size = Vector2(2, 84)
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_r4ug6"]
-size = Vector2(20, 48)
+size = Vector2(16, 48)
 
 [sub_resource type="Animation" id="Animation_qv5y7"]
 length = 0.001
@@ -202,6 +202,7 @@ parameters/conditions/end_eat = false
 
 [node name="Mover" type="Node" parent="."]
 script = ExtResource("4_u5syx")
+_speedMultiplier = 0.25
 
 [node name="Behaviour" type="Node" parent="."]
 script = ExtResource("5_2pvkr")

scenes/entities/plants/peashooter.tscn

@@ -4,7 +4,7 @@
 [ext_resource type="Script" path="res://scripts/components/plants/RuntimePlantData.cs" id="1_f4h5i"]
 [ext_resource type="AnimationLibrary" uid="uid://bv1dl1g4dmbho" path="res://resources/animations/plants/peashooter.res" id="2_vs0tj"]
 [ext_resource type="Script" path="res://scripts/components/plants/Shooter.cs" id="4_sbggp"]
-[ext_resource type="PackedScene" uid="uid://b2hrv0aqbui7u" path="res://scenes/entities/plants/pea.tscn" id="5_66an8"]
+[ext_resource type="PackedScene" uid="uid://b2hrv0aqbui7u" path="res://scenes/projectiles/pea.tscn" id="5_66an8"]
 [ext_resource type="Script" path="res://scripts/components/plants/PlantEyesightLimiter.cs" id="6_0812i"]
 [ext_resource type="Script" path="res://scripts/components/plants/behaviours/PeashooterBehaviour.cs" id="6_tdkoh"]
 [ext_resource type="Script" path="res://scripts/components/plants/Eyesight.cs" id="7_fdkt2"]

scenes/entities/plants/snowpea.tscn

@@ -0,0 +1,123 @@
+[gd_scene load_steps=16 format=3 uid="uid://b7innrovtmf5u"]
+
+[ext_resource type="PackedScene" uid="uid://be1kgukmiu0hs" path="res://scenes/entities/plants/peashooter.tscn" id="1_lp85e"]
+[ext_resource type="Texture2D" uid="uid://cu0651pvvkmvm" path="res://assets/sprites/atlases/plants/snow_pea.png" id="2_ytrm0"]
+[ext_resource type="AudioStream" uid="uid://dp6k7xiptn68n" path="res://assets/audio/sfx/pop.mp3" id="3_4fpbe"]
+[ext_resource type="AnimationLibrary" uid="uid://cke5wmmrvevbs" path="res://resources/animations/plants/snowpea.res" id="4_jvx5y"]
+[ext_resource type="PackedScene" uid="uid://domeukw4ucmyr" path="res://scenes/projectiles/snowpea_projectile.tscn" id="5_bv86m"]
+
+[sub_resource type="Animation" id="Animation_pephc"]
+length = 0.001
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Sprite:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [0]
+}
+
+[sub_resource type="Animation" id="Animation_ip1gy"]
+resource_name = "shoot_2"
+length = 0.666675
+step = 0.0833333
+tracks/0/type = "value"
+tracks/0/imported = false
+tracks/0/enabled = true
+tracks/0/path = NodePath("Sprite:frame")
+tracks/0/interp = 1
+tracks/0/loop_wrap = true
+tracks/0/keys = {
+"times": PackedFloat32Array(0, 0.0833333, 0.166667, 0.25, 0.333333, 0.416667),
+"transitions": PackedFloat32Array(1, 1, 1, 1, 1, 1),
+"update": 1,
+"values": [5, 7, 9, 11, 13, 15]
+}
+tracks/1/type = "method"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath("Shooter")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0.25),
+"transitions": PackedFloat32Array(1),
+"values": [{
+"args": [],
+"method": &"Shoot"
+}]
+}
+tracks/2/type = "audio"
+tracks/2/imported = false
+tracks/2/enabled = true
+tracks/2/path = NodePath("AudioStreamPlayer2D")
+tracks/2/interp = 1
+tracks/2/loop_wrap = true
+tracks/2/keys = {
+"clips": [{
+"end_offset": 0.0,
+"start_offset": 0.0,
+"stream": ExtResource("3_4fpbe")
+}],
+"times": PackedFloat32Array(0.25)
+}
+tracks/2/use_blend = true
+
+[sub_resource type="AnimationLibrary" id="AnimationLibrary_djmlc"]
+_data = {
+"RESET": SubResource("Animation_pephc"),
+"shoot_2": SubResource("Animation_ip1gy")
+}
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_7tu1y"]
+animation = &"snowpea/idle"
+
+[sub_resource type="AnimationNodeAnimation" id="AnimationNodeAnimation_nhra5"]
+animation = &"snowpea/shoot"
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_iyvb5"]
+advance_mode = 2
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_63spy"]
+switch_mode = 2
+advance_mode = 2
+
+[sub_resource type="AnimationNodeStateMachineTransition" id="AnimationNodeStateMachineTransition_yr2qp"]
+advance_mode = 2
+advance_condition = &"ready"
+
+[sub_resource type="AnimationNodeStateMachine" id="AnimationNodeStateMachine_owox6"]
+states/Start/position = Vector2(192, 100)
+states/snowpea_idle/node = SubResource("AnimationNodeAnimation_7tu1y")
+states/snowpea_idle/position = Vector2(425, 100)
+states/snowpea_shoot/node = SubResource("AnimationNodeAnimation_nhra5")
+states/snowpea_shoot/position = Vector2(644, 96)
+transitions = ["Start", "snowpea_idle", SubResource("AnimationNodeStateMachineTransition_iyvb5"), "snowpea_shoot", "snowpea_idle", SubResource("AnimationNodeStateMachineTransition_63spy"), "snowpea_idle", "snowpea_shoot", SubResource("AnimationNodeStateMachineTransition_yr2qp")]
+
+[sub_resource type="SegmentShape2D" id="SegmentShape2D_k2110"]
+resource_local_to_scene = true
+b = Vector2(5.865, 0)
+
+[node name="Snowpea" instance=ExtResource("1_lp85e")]
+
+[node name="Sprite" parent="." index="0"]
+texture = ExtResource("2_ytrm0")
+
+[node name="AnimationPlayer" parent="." index="1"]
+libraries = {
+"": SubResource("AnimationLibrary_djmlc"),
+"snowpea": ExtResource("4_jvx5y")
+}
+
+[node name="AnimationTree" parent="." index="2"]
+tree_root = SubResource("AnimationNodeStateMachine_owox6")
+
+[node name="Shooter" parent="." index="4"]
+_projectile = ExtResource("5_bv86m")
+
+[node name="CollisionShape2D" parent="Eyesight" index="0"]
+shape = SubResource("SegmentShape2D_k2110")

scenes/gui/choose_your_seeds.tscn

@@ -22,6 +22,18 @@ tracks/0/keys = {
 "points": PackedFloat32Array(64, -0.25, 0, 0.5, 7.5, 402, -0.55, -95.5, 0.25, 0),
 "times": PackedFloat32Array(0, 0.75)
 }
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:disabled")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [true]
+}
 
 [sub_resource type="Animation" id="Animation_8he0w"]
 length = 0.001
@@ -36,6 +48,18 @@ tracks/0/keys = {
 "points": PackedFloat32Array(402, -0.25, 0, 0.25, 0),
 "times": PackedFloat32Array(0)
 }
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:disabled")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0),
+"transitions": PackedFloat32Array(1),
+"update": 1,
+"values": [false]
+}
 
 [sub_resource type="Animation" id="Animation_omiwq"]
 resource_name = "Show"
@@ -52,6 +76,18 @@ tracks/0/keys = {
 "points": PackedFloat32Array(402, -0.25, 0, 1, -336.5, 64, -1, 338.5, 0, 66.5, 64, -0.0571204, 1, 0.19288, 1.5),
 "times": PackedFloat32Array(0, 1, 1.5)
 }
+tracks/1/type = "value"
+tracks/1/imported = false
+tracks/1/enabled = true
+tracks/1/path = NodePath(".:disabled")
+tracks/1/interp = 1
+tracks/1/loop_wrap = true
+tracks/1/keys = {
+"times": PackedFloat32Array(0, 1.5),
+"transitions": PackedFloat32Array(1, 1),
+"update": 1,
+"values": [true, false]
+}
 
 [sub_resource type="AnimationLibrary" id="AnimationLibrary_tguwa"]
 _data = {

scenes/projectiles/snowpea_projectile.tscn

@@ -0,0 +1,30 @@
+[gd_scene load_steps=5 format=3 uid="uid://domeukw4ucmyr"]
+
+[ext_resource type="Script" path="res://scripts/components/LinearProjectile.cs" id="1_fkydi"]
+[ext_resource type="Resource" uid="uid://7uj0oe656jfx" path="res://resources/effects/SnowSlow.tres" id="2_txupr"]
+[ext_resource type="Texture2D" uid="uid://dn4l67snkx5mr" path="res://assets/sprites/plants/snowpea_projectile.tres" id="2_xt8td"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_ix1sk"]
+radius = 6.0
+
+[node name="Snowpea" type="Area2D"]
+collision_layer = 4
+collision_mask = 8
+script = ExtResource("1_fkydi")
+_speed = 3.0
+_damage = 10
+_impactEffect = ExtResource("2_txupr")
+
+[node name="Sprite" type="Sprite2D" parent="."]
+texture = ExtResource("2_xt8td")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="."]
+shape = SubResource("CircleShape2D_ix1sk")
+
+[node name="Timer" type="Timer" parent="."]
+wait_time = 15.0
+one_shot = true
+autostart = true
+
+[connection signal="area_entered" from="." to="." method="OnAreaEntered"]
+[connection signal="timeout" from="Timer" to="." method="queue_free"]

scripts/Utility.cs

@@ -7,11 +7,20 @@ namespace Newlon;
 // Class for general-used constants and utility tools
 //
 
-public partial class Utility
+public class Utility
 {
+    //
+    // Code-accessed enumenators
+    //
+    #region Enums
+
+    public enum EffectSlots {FREEZE, STUN, POISON};
+
+    #endregion
+
+    public const int EffectSlotCount = 3;
     public const int TileWidth = 50;
     public const int TileHeight = 60;
-
     public const int LayersCount = 3;
     public static readonly Vector2I LeftFieldBoundary = new(305,76);
     public static readonly Vector2I RightFieldBoundary = new(755,376);

scripts/components/LinearProjectile.cs

@@ -1,5 +1,5 @@
 using Godot;
-using System;
+using Newlon.Systems.Effects;
 
 namespace Newlon.Components;
 
@@ -13,6 +13,8 @@ public partial class LinearProjectile : Area2D, IProjectile
     private float _speed;
     [Export]
     private int _damage;
+    [Export]
+    private Effect _impactEffect;
     private int _line;
     public int Line { get => _line; set {  _line = value; } }
 
@@ -27,6 +29,8 @@ public partial class LinearProjectile : Area2D, IProjectile
         if (entity != null && entity.Line == _line)
         {
             entity.TakeDamage(_damage);
+            if (entity is IEffectHandler effectHandler && _impactEffect != null)
+                effectHandler.GiveEffect(_impactEffect);
             QueueFree();
         }
     }

scripts/components/zombies/RuntimeZombieData.cs

@@ -1,8 +1,10 @@
-using Godot;
+using System.Collections.Generic;
+using Godot;    
+using Newlon.Systems.Effects;
 
 namespace Newlon.Components.Zombies;
 
-public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale
+public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale, IEffectHandler    
 {
     [Signal]
     public delegate void OnHPChangedEventHandler(int deltaHP);
@@ -19,7 +21,7 @@ public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale
     private float _localTimescale = 1.0f;
     public int Hp => _hp;
 
-    public int MaxHp => _maxHP;
+    public int MaxHp => _maxHP;     
 
     public int Line => _line;
 
@@ -36,6 +38,15 @@ public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale
     public override void _Ready()
     {
         _hp = _maxHP;
+
+        // Effect timers setup
+        for(int i = 0; i < Utility.EffectSlotCount; i++)
+        {
+            var timer = new Timer() {Autostart = false, OneShot = true};
+            _effectSlotTimers[i] = timer;
+            AddChild(timer);
+            timer.Timeout += () => {EndEffectAtSlot(i);};
+        }
     }
 
     public void Heal(int amount)
@@ -59,4 +70,44 @@ public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale
             QueueFree();
         }
     }
+
+    #region Effects system
+    private readonly Effect[] _activeEffectSlots = new Effect[Utility.EffectSlotCount];
+    private readonly Timer[] _effectSlotTimers = new Timer[Utility.EffectSlotCount];
+
+    // Effect handling
+
+    public void GiveEffect(Effect what)
+    {
+        int slot = (int)what.Slot;
+        if(_activeEffectSlots[slot] != null)
+        {
+            _effectSlotTimers[slot].Stop();
+            _activeEffectSlots[slot].Exit(this);
+        }
+        _effectSlotTimers[slot].WaitTime = what.Duration;
+        _effectSlotTimers[slot].Start();
+
+        what.Enter(this);
+        _activeEffectSlots[slot] = what;
+    }
+
+    public void EndEffect(Effect what)
+    {
+        what.Exit(this);
+        _activeEffectSlots[(int)what.Slot] = null;
+    }
+
+    public void ProcessEffects()
+    {
+        for(int i = 0; i < Utility.EffectSlotCount; i++)
+            _activeEffectSlots[i].Process(this);
+    }
+
+    private void EndEffectAtSlot(int slot)
+    {
+        _activeEffectSlots[slot].Exit(this); 
+        _activeEffectSlots[slot] = null;
+    }
+    #endregion  
 }

scripts/components/zombies/ZombieMover.cs

@@ -4,7 +4,10 @@ namespace Newlon.Components.Zombies;
 
 public partial class ZombieMover : Node
 {
-    private float _speed;
+    [Export(hintString: "suffix:tile/sec")]
+    private float _speedMultiplier = 1.0f;
+    
+    private float _speed = 1;
 
     private Node2D _zombie;
 
@@ -15,7 +18,12 @@ public partial class ZombieMover : Node
 
     public override void _PhysicsProcess(double delta)
     {
-        _zombie.Position -= _zombie.Transform.X * _speed * (float)delta * Utility.TileWidth * GetParent<RuntimeZombieData>().LocalTimescale;
+        _zombie.Position -= _zombie.Transform.X 
+                                * _speed 
+                                * (float)delta 
+                                * Utility.TileWidth 
+                                * GetParent<RuntimeZombieData>().LocalTimescale 
+                                * _speedMultiplier;
     }
 
     public void SetSpeed(float speed)

scripts/systems/effects/Effect.cs

@@ -1,11 +1,12 @@
 using Godot;
-using System;
 
 namespace Newlon.Systems.Effects;
 
 public abstract partial class Effect : Resource
 {
-    public abstract void Enter();
-    public abstract void Process();
-    public abstract void Exit();
+    [Export] public float Duration;
+    [Export] public Utility.EffectSlots Slot;
+    public abstract void Enter(Node target);
+    public abstract void Process(Node target);
+    public abstract void Exit(Node target);
 }

scripts/systems/effects/IEffectHandler.cs

@@ -2,5 +2,7 @@ namespace Newlon.Systems.Effects;
 
 public interface IEffectHandler
 {
-    
+    void GiveEffect(Effect what);
+    void EndEffect(Effect what);
+    void ProcessEffects();
 }

scripts/systems/effects/SlownessEffect.cs

@@ -0,0 +1,35 @@
+using Godot;
+using Newlon.Components;
+using System;
+
+namespace Newlon.Systems.Effects;
+
+public partial class SlownessEffect : Effect
+{
+    [Export] public Color ColorOverride;
+    [Export] public float Multiplier;
+
+    public override void Enter(Node target)
+    {
+        if(target is IEffectHandler handler)
+        {
+            if(target is ILocalTimescale timescalable)
+                timescalable.LocalTimescale *= Multiplier;
+            if(target is CanvasItem canvasItem)
+                canvasItem.Modulate = ColorOverride;
+        }
+    }
+
+    public override void Exit(Node target)
+    {
+        if(target is ILocalTimescale timescalable)
+            timescalable.LocalTimescale /= Multiplier;
+        if(target is CanvasItem canvasItem)
+            canvasItem.Modulate = Colors.White;
+    }
+
+    public override void Process(Node target)
+    {
+        
+    }
+}