(wip) Food now moves with a world flow (which is updated using a manual timer in the GameManager

.gitignore

@@ -49,3 +49,4 @@ export_presets.cfg
 data_*/
 mono_crash.*.json
 
+addons/

.gitmodules

@@ -0,0 +1,4 @@
+[submodule "evolve-die-repeat/thirdparty/godot-cpp"]
+	path = evolve-die-repeat/thirdparty/godot-cpp
+	url = https://github.com/godotengine/godot-cpp.git
+	branch = 4.5

README.md

@@ -1,2 +1,25 @@
-# notSpore
+# Evolve Die Repeat TODO: The name is a work in progress
+
+This is currently quite empty.
+
+## C++ setup
+From anywhere in proejct:
+```bash
+git submodule update --init --recursive
+```
+
+In `thirdparty`:
+```bash
+godot --headless --dump-extension-api
+```
+
+To compile the cpp extension, run this from `thirdparty/godot-cpp`:
+```bash
+scons platform=linux target=template_debug generate_bindings=yes custom_api_file=../extension_api.json -j8
+```
+
+Finally, to compile and extern local `.cpp` files, run this from `thirdparty`:
+```bash
+scons platform=linux target=template_debug -j8
+```
 

evolve-die-repeat/.editorconfig

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+root = true
+
+[*]
+charset = utf-8

evolve-die-repeat/.gitattributes

@@ -0,0 +1,2 @@
+# Normalize EOL for all files that Git considers text files.
+* text=auto eol=lf

evolve-die-repeat/.gitignore

@@ -0,0 +1,3 @@
+# Godot 4+ specific ignores
+.godot/
+/android/

evolve-die-repeat/debug_label.gd

@@ -0,0 +1,15 @@
+extends Label
+
+#var counter := Test.new()  # C++ class
+
+func _ready() -> void:
+	#text += str(counter.get_counter())
+	pass
+
+func _process(delta: float) -> void:
+	pass
+	#if Input.is_action_just_pressed("ui_accept"):
+	#counter.increment()
+	#var baseText := text
+	#baseText = baseText.left(baseText.length() - str(counter.get_counter()).length())
+	#text = baseText + str(counter.get_counter())

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evolve-die-repeat/game_manager.gd

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+extends Node
+
+var screen_size = Vector2(1920.0, 1080.0)  # Default screen size (this is a float for some reason)
+var viewport_size
+@onready var extent: Rect2 = get_viewport().get_visible_rect()
+
+# utils.
+var rng = RandomNumberGenerator.new()
+var eps: float = 1e-4
+
+# A world "current"
+# polar
+var flow_dir: float  # [0, 2pi)
+var flow_mag: float  # [0, 1]
+# cartesian
+var flow_x: float
+var flow_y: float
+# Swap period
+var flowT: float = 10
+
+# A game timer
+var t: float = 0.0
+
+
+func _ready() -> void:
+	viewport_size = get_viewport().get_visible_rect().size
+	
+	# initial world current
+	get_new_flow()
+
+func _physics_process(delta: float) -> void:
+	t += delta
+	
+	# Flow current change
+	if abs(fmod(t, flowT)) < eps:
+		get_new_flow()
+	
+
+# TODO: This needs to be called from a script inheriting a CharacterBody2D (e.g. the player)
+# Alternative would be to pass the player reference to this script (which might be better?)
+func init_screen_size(x:float, y:float) -> void:
+	screen_size.x = x
+	screen_size.y = y
+
+# This can take a vector of any size (but should be 2d, other components are unused)
+func get_boundaried_position(position):
+	## clamp
+	#return position.clamp(Vector2.ZERO, screen_size)
+	
+	## periodic
+	position.x = wrapf(position.x, 0, screen_size.x)
+	position.y = wrapf(position.y, 0, screen_size.y)
+	return position
+	
+func get_new_flow():
+	flow_dir = rng.randf()*2*PI
+	flow_mag = rng.randf()
+	
+	flow_x = flow_mag * cos(flow_dir)
+	flow_y = flow_mag * sin(flow_dir)
+	
+	

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evolve-die-repeat/main_menu.gd

@@ -0,0 +1,5 @@
+extends Control
+
+
+func _on_play_button_pressed() -> void:
+	get_tree().change_scene_to_file("res://molecular/molecular_stage.tscn")

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+
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+offset_left = 448.0
+offset_top = 256.0
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+text = "Play"
+
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+
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evolve-die-repeat/molecular/food/abstract_food.gd

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+@abstract
+class_name AbstractFood
+extends Area2D
+
+@export var val: int = 1
+@export var food_name: String = "Food"
+
+@export var flow_carry_speed: float = 10.0
+
+signal consumed
+
+func _ready() -> void:
+	pass
+
+func _physics_process(delta: float) -> void:
+	var dpos = Vector2(GameManager.flow_x, GameManager.flow_y) * delta * flow_carry_speed
+	position += dpos
+
+func _on_body_entered(body: Node2D) -> void:
+	pass
+
+func eat(consumer: Node2D) -> void:
+	pass

evolve-die-repeat/molecular/food/abstract_food.gd.uid

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evolve-die-repeat/molecular/food/food_manager.gd

@@ -0,0 +1,50 @@
+extends Node
+class_name FoodManager2D
+
+var minCount: int = 20
+var _currentCount: int = 0
+
+var rng = RandomNumberGenerator.new()
+
+@export var foodTypes: Array[PackedScene] = [] 
+
+## The probabilities have to add up to 1.0
+@export var foodProbs: Array[float] = []  
+
+@export var spawnRange: Rect2 = Rect2(0, 0, 0, 0)
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	spawnRange = GameManager.extent
+	call_deferred("_spawn_minimum")
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func _spawn_minimum() -> void:
+	while _currentCount < minCount:
+		_spawn_random()
+
+func _random_pos() -> Vector2:
+	return Vector2(randf_range(spawnRange.position[0], spawnRange.size[0]), randf_range(spawnRange.position[1], spawnRange.size[1]))
+
+func _spawn_random() -> void:
+	var pos = _random_pos()
+	_spawn_food(pos)
+	_currentCount += 1
+
+func _spawn_food(position: Vector2) -> void:
+	var instance = foodTypes[rng.rand_weighted(foodProbs)].instantiate()
+	instance.position = position
+	add_child(instance)
+	if instance.has_signal("consumed"):
+		instance.consumed.connect(_on_entity_consumed)
+		
+		
+func _on_entity_consumed() -> void:
+	_currentCount = max(0, _currentCount-1)
+	call_deferred("_spawn_minimum")
+	
+# TODO: Spawn food when an entity (any) dies

evolve-die-repeat/molecular/food/food_manager.gd.uid

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evolve-die-repeat/molecular/food/food_manager.tscn

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+
+[ext_resource type="Script" uid="uid://7ua0qgyhphao" path="res://molecular/food/food_manager.gd" id="1_7iais"]
+
+[node name="FoodManager" type="Node2D" unique_id=858744014]
+script = ExtResource("1_7iais")
+metadata/_custom_type_script = "uid://7ua0qgyhphao"

evolve-die-repeat/molecular/food/food_mol.gd

@@ -0,0 +1,19 @@
+extends AbstractFood
+class_name FoodMolecular
+
+
+func _on_body_entered(body: Node2D) -> void:
+	eat(body)
+		
+func eat(consumer: Node2D) -> void:
+	print(consumer.name + " ate: ", food_name)
+	consumed.emit()
+	
+	apply_effect(consumer)
+	
+	queue_free()
+
+func apply_effect(consumer: Node2D) -> void:
+	if consumer.has_method("collect_resource"):  # TODO: Define a "consumer" group instead?
+		consumer.collect_resource(val)  # val is from parent (default 1), override if required
+		# TODO: *Some cool effect here*

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+
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+[ext_resource type="Texture2D" uid="uid://dcedkos6vgv51" path="res://molecular/assets/food/food-normal.png" id="2_68e2u"]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_0vfbj"]
+radius = 2.0
+
+[node name="FoodMol" type="Area2D" unique_id=595352294]
+collision_layer = 8
+collision_mask = 7
+script = ExtResource("1_0vfbj")
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=762721134]
+shape = SubResource("CircleShape2D_0vfbj")
+
+[node name="Sprite2D" type="Sprite2D" parent="." unique_id=98693723]
+scale = Vector2(0.385, 0.385)
+texture = ExtResource("2_68e2u")
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]

evolve-die-repeat/molecular/molecular_player.gd

@@ -0,0 +1,91 @@
+extends CharacterBody2D
+
+@export var attack_duration: float = 0.4 
+@export var attack_cooldown_duration: float = 0.6
+
+@onready var attack_area: Area2D = $AttackArea
+@onready var attack_timer: Timer = $AttackTimer
+@onready var attack_cooldown_timer: Timer = $AttackCooldownTimer
+@onready var sprite: AnimatedSprite2D = $AnimatedSprite2D
+
+# TODO: these stats are shared across most entities; extract to resource?
+@export var speed: int = 200
+var damage: int = 10
+var can_attack: bool = true
+var desired_rotation: float = 0
+
+# Resources / money
+var resources: int = 0
+
+func _ready() -> void:
+	var screen_size = get_viewport_rect().size
+	GameManager.init_screen_size(screen_size.x, screen_size.y)
+	
+	attack_area.monitoring = false # no collision until attacking TODO: Thing about being attacked
+	attack_timer.wait_time = attack_duration
+	attack_cooldown_timer.wait_time = attack_cooldown_duration
+
+
+func _process(delta):
+	velocity = Vector2.ZERO
+	if Input.is_action_pressed("move_right"):
+		velocity.x += 1
+	if Input.is_action_pressed("move_left"):
+		velocity.x -= 1
+	if Input.is_action_pressed("move_down"):
+		velocity.y += 1
+	if Input.is_action_pressed("move_up"):
+		velocity.y -= 1
+	if Input.is_action_pressed("try_attack"):
+		try_attack()
+
+
+	if not velocity.is_zero_approx():
+		self.desired_rotation = atan2(velocity.y, velocity.x)
+		
+	# smoothly rotate
+	if self.rotation != self.desired_rotation: 
+		self.rotation = lerp_angle(self.rotation, self.desired_rotation, clampf(4 * delta, 0, 1))
+
+	move_and_collide(speed * velocity * delta)
+	position = GameManager.get_boundaried_position(position)
+	
+func try_attack() -> void:
+	if not can_attack:
+		return
+	attack()
+	
+func attack() -> void:
+	can_attack = false
+	attack_area.monitoring = true
+	attack_timer.start()
+	sprite.play("attacking")
+	
+func _on_attack_timeout() -> void:
+	attack_area.monitoring = false
+	sprite.play("default")
+	attack_cooldown_timer.start()
+	
+func _on_cooldown_timeout() -> void:
+	can_attack = true
+	
+func _on_attack_hit(body: Node2D) -> void:
+	var hit_hittable = false
+	if body.is_in_group("prey") or body.is_in_group("predator"):
+		if body.has_method("handle_damage"):
+			body.handle_damage(damage, self)
+			hit_hittable = true
+	elif body.is_in_group("resources"):
+		pass
+	if hit_hittable:
+		await get_tree().create_timer(0.2).timeout
+		sprite.play("default")
+		# TODO: resource handling logic
+
+func handle_damage(dmg: int, src: Node) -> void:
+	# TODO: damage logic
+	pass	
+	
+func collect_resource(damnt: int) -> void:
+	resources += damnt
+	print("Resource collected! Total: ", resources)

evolve-die-repeat/molecular/molecular_player.gd.uid

@@ -0,0 +1 @@
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evolve-die-repeat/molecular/molecular_player.tscn

@@ -0,0 +1,64 @@
+[gd_scene format=3 uid="uid://dxluckxdkpv4f"]
+
+[ext_resource type="Script" uid="uid://di7eglnrnqm6i" path="res://molecular/molecular_player.gd" id="1_0ix7k"]
+[ext_resource type="Texture2D" uid="uid://boknmstvkc0a2" path="res://molecular/assets/player-sprite-placeholder-attacking-crop.png" id="2_5hxmy"]
+[ext_resource type="Texture2D" uid="uid://cxwvga07sm3yl" path="res://molecular/assets/player-sprite-placeholder-crop.png" id="2_en8op"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_onrkg"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("2_5hxmy")
+}],
+"loop": true,
+"name": &"attacking",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 5.0,
+"texture": ExtResource("2_en8op")
+}],
+"loop": true,
+"name": &"default",
+"speed": 5.0
+}]
+
+[sub_resource type="CircleShape2D" id="CircleShape2D_5hxmy"]
+radius = 378.18
+
+[sub_resource type="CapsuleShape2D" id="CapsuleShape2D_4flbx"]
+radius = 191.95984
+height = 1295.8773
+
+[node name="player" type="CharacterBody2D" unique_id=2032508208]
+collision_mask = 14
+script = ExtResource("1_0ix7k")
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="." unique_id=1745800698]
+visibility_layer = 2
+scale = Vector2(0.5, 0.5)
+sprite_frames = SubResource("SpriteFrames_onrkg")
+
+[node name="AttackArea" type="Area2D" parent="." unique_id=187975387]
+position = Vector2(0, 56)
+rotation = -1.5732701
+collision_mask = 6
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="AttackArea" unique_id=1968501358]
+position = Vector2(41.029465, 288.86832)
+shape = SubResource("CircleShape2D_5hxmy")
+debug_color = Color(0.80813414, 0.3957308, 0.3356335, 0.41960785)
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="." unique_id=2137063701 groups=["player"]]
+rotation = -1.5732701
+shape = SubResource("CapsuleShape2D_4flbx")
+
+[node name="AttackTimer" type="Timer" parent="." unique_id=2057433652]
+one_shot = true
+
+[node name="AttackCooldownTimer" type="Timer" parent="." unique_id=1056439284]
+one_shot = true
+
+[connection signal="body_entered" from="AttackArea" to="." method="_on_attack_hit"]
+[connection signal="timeout" from="AttackTimer" to="." method="_on_attack_timeout"]
+[connection signal="timeout" from="AttackCooldownTimer" to="." method="_on_cooldown_timeout"]

evolve-die-repeat/molecular/predator/hammerhead_predator.gd

@@ -0,0 +1,82 @@
+extends AbstractPredator2D
+
+# FIXME: (general) tracking across wrapping boundary
+# TODO: mirroring (thought, extracct that to general function/resource?
+
+var can_attack: bool = true
+var desired_rotation: float = self.rotation
+@onready var sprite = $AnimatedSprite2D
+@onready var fsm: StateMachine = $StateMachine
+@onready var attack_cooldown_timer: Timer = $AttackCooldownTimer
+@onready var wrapper: WrappingManager = $WrappingManager
+
+@export var damage: int = 15
+@export var attack_range = 20
+@export var sight_range = 200
+@export var speed = 0.8
+
+func _ready() -> void:
+	health = maxHealth
+	sprite.play("Healthy")
+	
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void: 
+	# smoothly rotate
+	if self.rotation != self.desired_rotation: 
+		self.rotation = lerp_angle(self.rotation, self.desired_rotation, clampf(4 * delta, 0, 1))
+
+func _physics_process(delta: float) -> void:
+	pass
+
+# FIXME: (also goes for prey) this is framerate dependent UNLESS called from a _physics function.
+func move(motion: Vector3, mod: float = 1.0) -> void:
+	move_and_collide(Vector2(motion.x, motion.y).normalized() * self.speed * mod)  # Moves along the given vector
+	self.desired_rotation = atan2(motion.y, motion.x)	
+		
+	# Apply boundary to new position
+	position = GameManager.get_boundaried_position(position)
+
+func try_attack(target: Node) -> void:
+	if not can_attack:
+		return
+	attack(target)
+	
+func attack(target: Node) -> void:
+	can_attack = false
+	var hit_hittable = false
+	if target.is_in_group("prey") or target.is_in_group("player"):
+		if target.has_method("handle_damage"):
+			target.handle_damage(damage, self)
+			hit_hittable = true
+	elif target.is_in_group("resources"):
+		# TODO: resource handling logic
+		pass
+	if hit_hittable:
+		attack_cooldown_timer.start()
+	
+	
+func handle_damage(dmg: int, src: Node) -> void:
+	health = max(0, health-dmg)
+	if health == 0:
+		die()
+	if health < maxHealth/2:
+		become_injured()
+		fsm.transition_to_next_state(fsm.States.FLEEING, {"threat": src})
+	elif health < maxHealth:
+		become_injured()
+		fsm.transition_to_next_state(fsm.States.HUNTING, {"target": src})
+	
+func die() -> void:
+	super.die()
+
+func become_injured() -> void:
+	sprite.play("Hurt")
+	wrapper.play_sprite("Hurt")	
+
+func _on_sight_body_entered(body: Node2D) -> void:
+	if fsm.map(fsm.state) != fsm.States.HUNTING and body.is_in_group("prey") or (health < maxHealth and body.is_in_group("player")):
+		fsm.transition_to_next_state(fsm.States.HUNTING, {"target": body})
+
+func _on_attack_cooldown_timer_timeout() -> void:
+	can_attack = true

evolve-die-repeat/molecular/predator/hammerhead_predator.gd.uid

@@ -0,0 +1 @@
+uid://d07cjelbqbiug

evolve-die-repeat/molecular/predator/hammerhead_predator.tscn

@@ -0,0 +1,158 @@
+[gd_scene format=3 uid="uid://s4s66oaexava"]
+
+[ext_resource type="Script" uid="uid://d07cjelbqbiug" path="res://molecular/predator/hammerhead_predator.gd" id="1_xp037"]
+[ext_resource type="Texture2D" uid="uid://ch5rddsumyyhm" path="res://molecular/assets/predator/predator-healthy.png" id="2_34kwa"]
+[ext_resource type="Texture2D" uid="uid://30uwkdbnuu3h" path="res://molecular/assets/predator/hammerheadRibozyme-hunting.png" id="3_0ts4d"]
+[ext_resource type="Script" uid="uid://cygrmt03sx0k1" path="res://molecular/predator/state_machine.gd" id="3_xp037"]
+[ext_resource type="Script" uid="uid://xbiqj7ubmj7d" path="res://molecular/prey/state_idle.gd" id="4_8a23j"]
+[ext_resource type="Texture2D" uid="uid://jyuf4lgjo64" path="res://molecular/assets/predator/hammerheadRibozyme-hurt.png" id="4_shhro"]
+[ext_resource type="Script" uid="uid://ubcu8fdfxxj1" path="res://molecular/prey/state_random_movement.gd" id="5_6rsu5"]
+[ext_resource type="Script" uid="uid://bc7apl71t0q04" path="res://molecular/predator/state_hunting.gd" id="8_7qt2q"]
+[ext_resource type="Script" uid="uid://bvbc0n0pslq7p" path="res://shared/wrapping_manager.gd" id="9_shhro"]
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_8a23j"]
+atlas = ExtResource("2_34kwa")
+region = Rect2(0, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_6rsu5"]
+atlas = ExtResource("2_34kwa")
+region = Rect2(64, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_0ts4d"]
+atlas = ExtResource("2_34kwa")
+region = Rect2(128, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_nu6jw"]
+atlas = ExtResource("3_0ts4d")
+region = Rect2(0, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_8inuv"]
+atlas = ExtResource("3_0ts4d")
+region = Rect2(64, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_orf3n"]
+atlas = ExtResource("3_0ts4d")
+region = Rect2(128, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_vkkje"]
+atlas = ExtResource("4_shhro")
+region = Rect2(0, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_jfmyn"]
+atlas = ExtResource("4_shhro")
+region = Rect2(64, 0, 64, 64)
+
+[sub_resource type="AtlasTexture" id="AtlasTexture_f26lq"]
+atlas = ExtResource("4_shhro")
+region = Rect2(128, 0, 64, 64)
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_shhro"]
+animations = [{
+"frames": [{
+"duration": 3.0,
+"texture": SubResource("AtlasTexture_8a23j")
+}, {
+"duration": 2.0,
+"texture": SubResource("AtlasTexture_6rsu5")
+}, {
+"duration": 4.0,
+"texture": SubResource("AtlasTexture_0ts4d")
+}],
+"loop": true,
+"name": &"Healthy",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_nu6jw")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_8inuv")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_orf3n")
+}],
+"loop": true,
+"name": &"Hunting",
+"speed": 5.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_vkkje")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_jfmyn")
+}, {
+"duration": 1.0,
+"texture": SubResource("AtlasTexture_f26lq")
+}],
+"loop": true,
+"name": &"Hurt",
+"speed": 5.0
+}]
+
+[node name="HammerheadPredator" type="CharacterBody2D" unique_id=678504815 groups=["predator"]]
+scale = Vector2(0.3, 0.3)
+collision_layer = 4
+collision_mask = 3
+motion_mode = 1
+script = ExtResource("1_xp037")
+maxHealth = 50
+metadata/_custom_type_script = "uid://dgfimmq53whll"
+
+[node name="WrappingManager" type="Node" parent="." unique_id=826586678 node_paths=PackedStringArray("sprite")]
+script = ExtResource("9_shhro")
+sprite = NodePath("../AnimatedSprite2D")
+metadata/_custom_type_script = "uid://bvbc0n0pslq7p"
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="." unique_id=410999609]
+rotation = 4.712389
+sprite_frames = SubResource("SpriteFrames_shhro")
+animation = &"Hunting"
+
+[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="." unique_id=1596156928]
+light_mask = 4
+visibility_layer = 4
+position = Vector2(0.11167908, 1.1167793)
+rotation = -1.5707964
+polygon = PackedVector2Array(-22.184862, -27.994831, 23.481365, -27.21198, 13.82622, 25.891317, -6.005971, 25.891317)
+
+[node name="StateMachine" type="Node" parent="." unique_id=1857729810 node_paths=PackedStringArray("initial_state")]
+script = ExtResource("3_xp037")
+initial_state = NodePath("RandomMovement")
+metadata/_custom_type_script = "uid://ck7k8ht54snsy"
+
+[node name="Idle" type="Node" parent="StateMachine" unique_id=265876039]
+script = ExtResource("4_8a23j")
+
+[node name="Timer" type="Timer" parent="StateMachine/Idle" unique_id=1870665609]
+one_shot = true
+
+[node name="RandomMovement" type="Node" parent="StateMachine" unique_id=105315122]
+script = ExtResource("5_6rsu5")
+
+[node name="Timer" type="Timer" parent="StateMachine/RandomMovement" unique_id=447822526]
+one_shot = true
+
+[node name="Hunting" type="Node" parent="StateMachine" unique_id=1569866955]
+script = ExtResource("8_7qt2q")
+
+[node name="Sight" type="Area2D" parent="." unique_id=1608385873]
+collision_layer = 0
+collision_mask = 7
+
+[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="Sight" unique_id=1707240701]
+light_mask = 4
+visibility_layer = 4
+position = Vector2(-1.0900421, 1.6350927)
+rotation = -1.5707964
+polygon = PackedVector2Array(-27.769547, -29.426758, 31.88504, -29.184647, 12.700996, 28.7294, 56.058624, 148.93633, 22.979004, 163.77974, -19.854843, 161.65926, -53.782654, 143.84715, -8.333115, 30.157196)
+
+[node name="AttackCooldownTimer" type="Timer" parent="." unique_id=435253442]
+wait_time = 0.5
+one_shot = true
+
+[connection signal="timeout" from="StateMachine/Idle/Timer" to="StateMachine/Idle" method="_on_timer_timeout"]
+[connection signal="timeout" from="StateMachine/RandomMovement/Timer" to="StateMachine/RandomMovement" method="_on_timer_timeout"]
+[connection signal="body_entered" from="Sight" to="." method="_on_sight_body_entered"]
+[connection signal="timeout" from="AttackCooldownTimer" to="." method="_on_attack_cooldown_timer_timeout"]

evolve-die-repeat/molecular/predator/state_hunting.gd

@@ -0,0 +1,26 @@
+extends State
+
+var target: Node2D
+
+func enter(previous_state_path: String, data := {}) -> void:
+	if data.has("target"):
+		target = data["target"]
+		owner.sprite.play("Hunting")
+	else:
+		# default behaviour; do nothing
+		finished.emit(owner.fsm.States.IDLE, {})
+
+func physics_update(_delta: float) -> void:
+	if target == owner or target == null or owner.position.distance_to(target.position) > owner.sight_range:
+		finished.emit(owner.fsm.States.IDLE, {}) 
+		return
+	
+	# alternatively, we could use a collision shape and inbuilt signals, but im not sure if that works better (mixing signals and custom fsm stuff i mean
+	if owner.position.distance_to(target.position) > owner.attack_range:
+		owner.move(move_towards(target.position))
+	else:
+		owner.attack(target)
+
+func move_towards(pos: Vector2) -> Vector3:
+	var diff = target.position - owner.position
+	return Vector3(diff.x, diff.y ,0)	

evolve-die-repeat/molecular/predator/state_hunting.gd.uid

@@ -0,0 +1 @@
+uid://bc7apl71t0q04

evolve-die-repeat/molecular/predator/state_machine.gd

@@ -0,0 +1,28 @@
+extends StateMachine
+
+enum States {IDLE, RANDOMMOVEMENT, FEEDING, FLEEING, HUNTING}
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	super()
+	await owner.ready
+
+
+func transition_to_next_state(target: int, data: Dictionary = {}) -> void:
+	match target:
+		States.IDLE: _transition_to_next_state("Idle", data)
+		States.RANDOMMOVEMENT: _transition_to_next_state("RandomMovement", data)
+		States.FEEDING: _transition_to_next_state("Feeding", data)
+		States.FLEEING: _transition_to_next_state("Fleeing", data)
+		States.HUNTING: _transition_to_next_state("Hunting", data)
+		_: push_error("Trying to transition to unknown state {target}")
+		
+func map(state: Node) -> States:
+	match state.name:
+		"Idle": return States.IDLE
+		"RandomMovement": return States.RANDOMMOVEMENT
+		"Feeding": return States.FEEDING
+		"Fleeing": return States.FLEEING
+		"Hunting": return States.HUNTING
+		_: push_error("Unknown state {state.name}")
+	return map(self.initial_state)

evolve-die-repeat/molecular/predator/state_machine.gd.uid

@@ -0,0 +1 @@
+uid://cygrmt03sx0k1

evolve-die-repeat/molecular/prey/nucleotide_prey.gd

@@ -0,0 +1,51 @@
+extends AbstractPrey2D
+
+@onready var wrapper: WrappingManager = $WrappingManager
+@onready var sprite: AnimatedSprite2D = $AnimatedSprite2D 
+@onready var fsm: StateMachine = $StateMachine
+
+@export var speed = 0.5
+var desired_rotation: float = self.rotation
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	health = maxHealth
+	sprite.play("Healthy")
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void: 
+	# smoothly rotate
+	if self.rotation != self.desired_rotation: 
+		self.rotation = lerp_angle(self.rotation, self.desired_rotation, clampf(4 * delta, 0, 1))
+
+func _physics_process(delta: float) -> void:
+	pass
+
+func move(motion: Vector3, mod: float = 1.0) -> void:
+	move_and_collide(Vector2(motion.x, motion.y).normalized() * self.speed * mod)  # Moves along the given vector
+	self.desired_rotation = atan2(motion.y, motion.x)	
+		
+	# Apply boundary to new position
+	position = GameManager.get_boundaried_position(position)
+
+func handle_damage(dmg: int, src: Node) -> void:
+	health = max(0, health-dmg)
+	if health == 0:
+		die()
+	if health < maxHealth:
+		become_injured()
+	fsm.transition_to_next_state(fsm.States.FLEEING, {"threat": src})
+	
+func die() -> void:
+	sprite.play("Dying")
+	wrapper.play_sprite("Dying")
+	super.die()
+
+func become_injured() -> void:
+	sprite.play("Injured")
+	wrapper.play_sprite("Injured")
+
+func _on_sight_body_entered(body: Node2D) -> void:
+	if body.is_in_group("predator") or (health < maxHealth and body.is_in_group("player")):
+		fsm.transition_to_next_state(fsm.States.FLEEING, {"threat": body})

evolve-die-repeat/molecular/prey/nucleotide_prey.gd.uid

@@ -0,0 +1 @@
+uid://bgossk6xo31gi

evolve-die-repeat/molecular/prey/nucleotide_prey.tscn

@@ -0,0 +1,109 @@
+[gd_scene format=3 uid="uid://c3iw2v3x6ngrb"]
+
+[ext_resource type="PackedScene" uid="uid://bvsdg1v3ksixy" path="res://shared/npc/prey2D.tscn" id="1_qvulj"]
+[ext_resource type="Script" uid="uid://bgossk6xo31gi" path="res://molecular/prey/nucleotide_prey.gd" id="2_0227s"]
+[ext_resource type="Texture2D" uid="uid://bhcb5g7g7um8" path="res://molecular/assets/prey/prey-dying-frame0.png" id="2_lkj7f"]
+[ext_resource type="Script" uid="uid://bvbc0n0pslq7p" path="res://shared/wrapping_manager.gd" id="3_lecx4"]
+[ext_resource type="Texture2D" uid="uid://bxn11avw7dykl" path="res://molecular/assets/prey/prey-dying-frame1.png" id="3_svqyr"]
+[ext_resource type="Texture2D" uid="uid://ctkehsavw6ghx" path="res://molecular/assets/prey/prey-healthy-frame0.png" id="4_ee1gb"]
+[ext_resource type="Texture2D" uid="uid://uy28y3mkk6nt" path="res://molecular/assets/prey/prey-healthy-frame1.png" id="5_ae5nf"]
+[ext_resource type="Texture2D" uid="uid://btnyajci8ptb2" path="res://molecular/assets/prey/prey-injured-frame0.png" id="6_0f87h"]
+[ext_resource type="Texture2D" uid="uid://bqll8ge4cr2uf" path="res://molecular/assets/prey/prey-injured-frame1.png" id="7_w7inl"]
+[ext_resource type="Script" uid="uid://0vwv2nt16gpv" path="res://molecular/prey/state_machine.gd" id="9_xxtgy"]
+[ext_resource type="Script" uid="uid://ubcu8fdfxxj1" path="res://molecular/prey/state_random_movement.gd" id="10_rgguv"]
+[ext_resource type="Script" uid="uid://xbiqj7ubmj7d" path="res://molecular/prey/state_idle.gd" id="12_ubfhk"]
+[ext_resource type="Script" uid="uid://dlw7inlh6asvu" path="res://molecular/prey/state_fleeing.gd" id="12_xxtgy"]
+
+[sub_resource type="SpriteFrames" id="SpriteFrames_66x8p"]
+animations = [{
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("2_lkj7f")
+}, {
+"duration": 20.0,
+"texture": ExtResource("3_svqyr")
+}],
+"loop": true,
+"name": &"Dying",
+"speed": 1.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("4_ee1gb")
+}, {
+"duration": 20.0,
+"texture": ExtResource("5_ae5nf")
+}],
+"loop": true,
+"name": &"Healthy",
+"speed": 1.0
+}, {
+"frames": [{
+"duration": 1.0,
+"texture": ExtResource("6_0f87h")
+}, {
+"duration": 20.0,
+"texture": ExtResource("7_w7inl")
+}],
+"loop": true,
+"name": &"Injured",
+"speed": 1.0
+}]
+
+[node name="NucleotidePrey" unique_id=740525631 groups=["prey"] instance=ExtResource("1_qvulj")]
+collision_layer = 2
+collision_mask = 5
+motion_mode = 1
+script = ExtResource("2_0227s")
+speed = 0.5
+maxHealth = 20
+
+[node name="WrappingManager" type="Node" parent="." index="0" unique_id=407460873 node_paths=PackedStringArray("sprite")]
+script = ExtResource("3_lecx4")
+sprite = NodePath("../AnimatedSprite2D")
+metadata/_custom_type_script = "uid://bvbc0n0pslq7p"
+
+[node name="AnimatedSprite2D" type="AnimatedSprite2D" parent="." index="1" unique_id=788182944]
+rotation = 1.5707964
+scale = Vector2(0.1, 0.1)
+sprite_frames = SubResource("SpriteFrames_66x8p")
+animation = &"Healthy"
+
+[node name="CollisionPolygon2D" parent="." index="2"]
+light_mask = 2
+visibility_layer = 2
+position = Vector2(6.929083, 3.0664783)
+rotation = 0.474154
+
+[node name="StateMachine" type="Node" parent="." index="3" unique_id=445822474 node_paths=PackedStringArray("initial_state")]
+script = ExtResource("9_xxtgy")
+initial_state = NodePath("Idle")
+
+[node name="RandomMovement" type="Node" parent="StateMachine" index="0" unique_id=1422146232]
+script = ExtResource("10_rgguv")
+
+[node name="Timer" type="Timer" parent="StateMachine/RandomMovement" index="0" unique_id=593528934]
+one_shot = true
+
+[node name="Fleeing" type="Node" parent="StateMachine" index="1" unique_id=1125485674]
+script = ExtResource("12_xxtgy")
+
+[node name="Idle" type="Node" parent="StateMachine" index="2" unique_id=1424222731]
+script = ExtResource("12_ubfhk")
+
+[node name="Timer" type="Timer" parent="StateMachine/Idle" index="0" unique_id=1050348256]
+one_shot = true
+
+[node name="Sight" type="Area2D" parent="." index="4" unique_id=1773478588]
+collision_layer = 0
+collision_mask = 7
+
+[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="Sight" index="0" unique_id=338757598]
+light_mask = 2
+visibility_layer = 2
+rotation = 1.5707964
+polygon = PackedVector2Array(3.8686981, -6.2705374, 7.0000973, -0.08602524, 3.5555592, 5.6287766, -3.0986624, 5.589636, -6.1517763, 0.031402588, -2.942093, -6.0748243, -29.993027, -74.37026, -11.10141, -83.6233, 9.332382, -84.00884, 35.163773, -77.06906)
+
+[connection signal="timeout" from="StateMachine/RandomMovement/Timer" to="StateMachine/RandomMovement" method="_on_timer_timeout"]
+[connection signal="timeout" from="StateMachine/Idle/Timer" to="StateMachine/Idle" method="_on_timer_timeout"]
+[connection signal="body_entered" from="Sight" to="." method="_on_sight_body_entered"]

evolve-die-repeat/molecular/prey/state_fleeing.gd

@@ -0,0 +1,22 @@
+extends State
+
+var threat: Node2D
+var threshold: float = 100
+
+func enter(previous_state_path: String, data := {}) -> void:
+	if data.has("threat"):
+		threat = data["threat"]
+	else:
+		# default behaviour; do nothing
+		finished.emit(owner.fsm.States.IDLE, {})
+
+func physics_update(_delta: float) -> void:
+	if owner.position.distance_to(threat.position) > threshold or threat == owner:
+		finished.emit(owner.fsm.States.IDLE, {}) 
+		return
+	owner.move(flee_from(threat.position))
+
+func flee_from(pos: Vector2) -> Vector3:
+	var diff = threat.position - owner.position
+	diff = diff.normalized() * -1
+	return Vector3(diff.x, diff.y ,0)	

evolve-die-repeat/molecular/prey/state_fleeing.gd.uid

@@ -0,0 +1 @@
+uid://dlw7inlh6asvu

evolve-die-repeat/molecular/prey/state_idle.gd

@@ -0,0 +1,19 @@
+extends State
+
+@onready var timer = $Timer
+var dir = Vector3(1, 1, 0)
+
+func enter(previous_state_path: String, data := {}) -> void:
+	timer.start((float)(randi() % 5)/5)
+
+func physics_update(_delta: float) -> void:
+	owner.move(_delta * Vector3(randfn(0, 1), randfn(0, 1), 0), 1)
+
+func _on_timer_timeout() -> void:
+	if (randi() % 4 != 0):
+		finished.emit(owner.fsm.States.RANDOMMOVEMENT, {})
+	else:
+		finished.emit(owner.fsm.States.IDLE, {})
+
+func exit() -> void:
+	timer.stop()

evolve-die-repeat/molecular/prey/state_idle.gd.uid

@@ -0,0 +1 @@
+uid://xbiqj7ubmj7d

evolve-die-repeat/molecular/prey/state_machine.gd

@@ -0,0 +1,17 @@
+extends StateMachine
+
+enum States {IDLE, RANDOMMOVEMENT, FEEDING, FLEEING}
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	super()
+	await owner.ready
+
+
+func transition_to_next_state(target: int, data: Dictionary = {}) -> void:
+	match target:
+		States.IDLE: _transition_to_next_state("Idle", data)
+		States.RANDOMMOVEMENT: _transition_to_next_state("RandomMovement", data)
+		States.FEEDING: _transition_to_next_state("Feeding", data)
+		States.FLEEING: _transition_to_next_state("Fleeing", data)
+		_: push_error("Trying to transition to unknown state {target}")

evolve-die-repeat/molecular/prey/state_machine.gd.uid

@@ -0,0 +1 @@
+uid://0vwv2nt16gpv

evolve-die-repeat/molecular/prey/state_random_movement.gd

@@ -0,0 +1,21 @@
+extends State
+
+@onready var timer = $Timer
+var dir: Vector3 = Vector3(0,0,0);
+
+func enter(previous_state_path: String, data := {}) -> void:
+	timer.start((float)(randi() % 10)/5)
+	dir = calc_dir(randi() % 360)
+
+func physics_update(_delta: float) -> void:
+	owner.move(dir)
+
+func calc_dir(angle: float) -> Vector3:
+	return Vector3(cos(angle), sin(angle), 0)	
+	
+func _on_timer_timeout() -> void:
+	finished.emit(owner.fsm.States.RANDOMMOVEMENT, {})
+	#finished.emit(owner.fsm.States.IDLE, {})
+
+func exit() -> void:
+	timer.stop()

evolve-die-repeat/molecular/prey/state_random_movement.gd.uid

@@ -0,0 +1 @@
+uid://ubcu8fdfxxj1

evolve-die-repeat/molecular/prey_manager.gd

@@ -0,0 +1,14 @@
+extends SpawnManager2D
+
+#@export var cam: Camera2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	spawnRange = GameManager.extent
+	#spawnRange = cam.get_viewport_rect()
+	call_deferred("_spawn_minimum")
+
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass

evolve-die-repeat/molecular/prey_manager.gd.uid

@@ -0,0 +1 @@
+uid://umx4w11edif

evolve-die-repeat/project.godot

@@ -0,0 +1,75 @@
+; Engine configuration file.
+; It's best edited using the editor UI and not directly,
+; since the parameters that go here are not all obvious.
+;
+; Format:
+;   [section] ; section goes between []
+;   param=value ; assign values to parameters
+
+config_version=5
+
+[animation]
+
+compatibility/default_parent_skeleton_in_mesh_instance_3d=true
+
+[application]
+
+config/name="EvolveDieRepeat"
+run/main_scene="uid://drgv154ei1vrl"
+config/features=PackedStringArray("4.6", "Forward Plus")
+config/icon="res://icon.svg"
+
+[autoload]
+
+GameManager="*res://game_manager.gd"
+
+[editor_plugins]
+
+enabled=PackedStringArray("res://addons/godot-neovim/plugin.cfg")
+
+[global_group]
+
+player="All scenes that constitute players should be added here."
+prey="any passive killable entities belong in this group"
+predator=""
+
+[input]
+
+move_right={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":68,"key_label":0,"unicode":100,"location":0,"echo":false,"script":null)
+]
+}
+move_left={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":65,"key_label":0,"unicode":97,"location":0,"echo":false,"script":null)
+]
+}
+move_up={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":87,"key_label":0,"unicode":119,"location":0,"echo":false,"script":null)
+]
+}
+move_down={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":83,"key_label":0,"unicode":115,"location":0,"echo":false,"script":null)
+]
+}
+try_attack={
+"deadzone": 0.2,
+"events": [Object(InputEventKey,"resource_local_to_scene":false,"resource_name":"","device":-1,"window_id":0,"alt_pressed":false,"shift_pressed":false,"ctrl_pressed":false,"meta_pressed":false,"pressed":false,"keycode":0,"physical_keycode":32,"key_label":0,"unicode":32,"location":0,"echo":false,"script":null)
+]
+}
+
+[layer_names]
+
+2d_render/layer_1="Player"
+2d_render/layer_2="Prey"
+2d_physics/layer_1="Player"
+2d_physics/layer_2="Prey"
+2d_physics/layer_3="Predator"
+2d_physics/layer_4="Food"
+
+[rendering]
+
+textures/canvas_textures/default_texture_filter=0

evolve-die-repeat/shared/WrappingManager.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://dbgqratyxesm6"]
+
+[ext_resource type="Script" uid="uid://bvbc0n0pslq7p" path="res://shared/wrapping_manager.gd" id="1_n7cdp"]
+
+[node name="WrappingManager" type="Node" unique_id=492173693]
+script = ExtResource("1_n7cdp")

evolve-die-repeat/shared/npc/npc2D.gd

@@ -0,0 +1,32 @@
+extends CharacterBody2D
+class_name NPC2D
+
+@export var maxHealth: int = 0
+var health: int = maxHealth
+
+signal died
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	spawn()
+
+# Called every frame. 'delta' is the elapsed time since the previous frame.
+func _process(delta: float) -> void:
+	pass
+
+func spawn() -> void:
+	pass
+
+func take_damage(dmg: int) -> void:
+	self.health -= dmg;
+	if self.health < 0:
+		self.die()
+
+func die() -> void:
+	died.emit()
+	queue_free()
+	# TODO: should associate this class with a loot table (or equivalent), and can then implement logic for dying in parent class here.
+	
+func move(destination: Vector3) -> void:
+	push_error("Function move() not implemented.")
+	

evolve-die-repeat/shared/npc/npc2D.gd.uid

@@ -0,0 +1 @@
+uid://biu3sctw15ga

evolve-die-repeat/shared/npc/npc2D.tscn

@@ -0,0 +1,10 @@
+[gd_scene load_steps=2 format=3 uid="uid://biup0eej85fq2"]
+
+[ext_resource type="Script" uid="uid://biu3sctw15ga" path="res://shared/npc/npc2D.gd" id="1_ucjfp"]
+
+[node name="NPC" type="CharacterBody2D"]
+script = ExtResource("1_ucjfp")
+
+[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="."]
+position = Vector2(7.215866, -0.5034294)
+polygon = PackedVector2Array(-8.831272, -2.3390446, -5.7760534, -2.3993049, -4.0230684, 0.41277456, -5.8890305, 2.9948444, -8.862037, 2.9326901, -10.268076, 0.28495264)