ft: player attacking logic

evolve-die-repeat/molecular/molecular_player.gd

@@ -1,12 +1,24 @@
 extends CharacterBody2D
 
+@export var attack_duration = 0.12 # TODO: finetune
+@export var attack_cooldown_duration = 0.4
+
+@onready var attack_area: Area2D = $AttackArea
+@onready var attack_timer: Timer = $AttackTimer
+@onready var attack_cooldown_timer: Timer = $AttackCooldownTimer
+
 @export var speed = 200
-var damage = 1
+var damage = 10
+var can_attack = true
 
 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
+	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"):
@@ -17,8 +29,35 @@ func _process(delta):
 		velocity.y += 1
 	if Input.is_action_pressed("move_up"):
 		velocity.y -= 1
+	if Input.is_action_pressed("try_attack"):
+		try_attack()
 
 	move_and_collide(speed * velocity * delta)
 	#position += 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()
+	# TODO: attack animation+sound+etc
+	
+func _on_attack_timeout() -> void:
+	attack_area.monitoring = false
+	attack_cooldown_timer.start()
+	
+func _on_cooldown_timeout() -> void:
+	can_attack = true
+	
+func _on_attack_hit(body: Node2D) -> void:
+	if body.is_in_group("prey") or body.is_in_group("predators"):
+		if body.has_method("handle_damage"):
+			body.handle_damage(damage)
+	elif body.is_in_group("resources"):
+		pass
+		# TODO: resource handling logic

evolve-die-repeat/molecular/molecular_player.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=5 format=3 uid="uid://dxluckxdkpv4f"]
+[gd_scene load_steps=6 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://cxwvga07sm3yl" path="res://molecular/assets/player-sprite-placeholder-crop.png" id="2_en8op"]
@@ -14,6 +14,9 @@ animations = [{
 "speed": 5.0
 }]
 
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_en8op"]
+size = Vector2(765.4969, 706.5864)
+
 [sub_resource type="CapsuleShape2D" id="CapsuleShape2D_4flbx"]
 radius = 191.95984
 height = 1295.8773
@@ -27,7 +30,27 @@ visibility_layer = 2
 scale = Vector2(0.5, 0.5)
 sprite_frames = SubResource("SpriteFrames_onrkg")
 
+[node name="AttackArea" type="Area2D" parent="."]
+position = Vector2(0, 56)
+rotation = -1.5732701
+collision_mask = 2
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="AttackArea"]
+position = Vector2(29.579561, 730.73236)
+shape = SubResource("RectangleShape2D_en8op")
+debug_color = Color(0.80813414, 0.3957308, 0.3356335, 0.41960785)
+
 [node name="CollisionShape2D" type="CollisionShape2D" parent="." groups=["player"]]
 position = Vector2(0, 56)
 rotation = -1.5732701
 shape = SubResource("CapsuleShape2D_4flbx")
+
+[node name="AttackTimer" type="Timer" parent="."]
+one_shot = true
+
+[node name="AttackCooldownTimer" type="Timer" parent="."]
+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/molecular_stage.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=4 uid="uid://b55w56d4twno1"]
+[gd_scene load_steps=14 format=4 uid="uid://b55w56d4twno1"]
 
 [ext_resource type="Texture2D" uid="uid://bto1pnycvianp" path="res://molecular/assets/background/bg.png" id="3_a5cls"]
 [ext_resource type="PackedScene" uid="uid://dxluckxdkpv4f" path="res://molecular/molecular_player.tscn" id="3_b1jr0"]
@@ -111,6 +111,6 @@ script = ExtResource("4_mys4o")
 script = ExtResource("5_cthuy")
 cam = NodePath("../player/Camera2D")
 scene = ExtResource("6_a5cls")
-minCount = 500
+minCount = 100
-maxCount = 1000
+maxCount = 300
 metadata/_custom_type_script = "uid://coetidfssb80w"

evolve-die-repeat/molecular/nucleotide_prey.gd

@@ -10,8 +10,9 @@ var mirrorSprite3: Node2D
 
 # Called when the node enters the scene tree for the first time.
 func _ready() -> void:
-	$AnimatedSprite2D.animation = "Healthy"
+	health = maxHealth
-	$AnimatedSprite2D.play()
+	sprite.animation = "Healthy"
+	sprite.play()
 	
 	mirrorSprite1 = sprite.duplicate()
 	mirrorSprite2 = sprite.duplicate()
@@ -28,7 +29,8 @@ func _process(delta: float) -> void:
 	_handle_wrapping()
 
 func _physics_process(delta: float) -> void:
-	self.move(Vector3(randfn(0, 1), randfn(0, 1), 0))
+	#self.move(Vector3(randfn(0, 1), randfn(0, 1), 0))
+	pass
 
 func move(motion: Vector3) -> void:
 	move_and_collide(Vector2(motion.x, motion.y))  # Moves along the given vector
@@ -36,26 +38,20 @@ func move(motion: Vector3) -> void:
 	# Apply boundary to new position
 	position = GameManager.get_boundaried_position(position)
 
+func handle_damage(dmg: int) -> void:
+	health = max(0, health-dmg)
+	if health == 0:
+		die()
+	if health < maxHealth:
+		become_injured()
+
 func die() -> void:
 	sprite.play("Dying")
 	super.die()
 
-
+func become_injured() -> void:
-func _on_area_2d_body_entered(body: Node2D) -> void:
+	sprite.animation = "Injured"
-	# TODO: collision with other entities
+	sprite.play()
-	# check if colision with player
-	if body.is_in_group("player"):  
-		handle_collision_player(body)
-
-
-# Function to handle collision logic
-func handle_collision_player(player):
-	self.health -= player.damage
-	if sprite:
-		if self.health <= 0:
-			self.die()
-		else:
-			sprite.play("Injured")
 
 # FIXME: Doesn't work with injured sprite
 # Mirroring table:

evolve-die-repeat/molecular/nucleotide_prey.tscn

@@ -45,9 +45,8 @@ animations = [{
 "speed": 1.0
 }]
 
-[node name="NucleotidePrey" instance=ExtResource("1_qvulj")]
+[node name="NucleotidePrey" groups=["prey"] instance=ExtResource("1_qvulj")]
 collision_layer = 2
-collision_mask = 3
 motion_mode = 1
 script = ExtResource("2_0227s")
 maxHealth = 20
@@ -57,9 +56,3 @@ scale = Vector2(0.1, 0.1)
 sprite_frames = SubResource("SpriteFrames_66x8p")
 animation = &"Dying"
 frame_progress = 0.60472965
-
-[node name="CollisionPolygon2D" type="CollisionPolygon2D" parent="Area2D" index="0"]
-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)
-
-[connection signal="body_entered" from="Area2D" to="." method="_on_area_2d_body_entered"]

evolve-die-repeat/molecular/preyManager.gd

@@ -1,28 +0,0 @@
-extends Node
-
-var preyScene = preload("res://molecular/nucleotide_prey.tscn")
-#var predatorScene = preload("res://Predator.tscn")
-var score
-
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	for i in range(0, 100, 10):
-		spawn_creature(preyScene, Vector2(i, i))
-	spawn_random()
-	spawn_random()
-	spawn_random()
-	spawn_random()
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
-
-func spawn_random() -> void:
-	spawn_creature(preyScene, Vector2(randfn(100, 100), randfn(100, 100)))
-
-func spawn_creature(scene, position: Vector2) -> void:
-	var instance = scene.instantiate()
-	instance.position = position
-	add_child(instance)
-	

evolve-die-repeat/project.godot

@@ -22,6 +22,7 @@ GameManager="*res://game_manager.gd"
 [global_group]
 
 player="All scenes that constitute players should be added here."
+prey="any passive killable entities belong in this group"
 
 [input]
 
@@ -45,6 +46,11 @@ move_down={
 "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]
 

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

@@ -5,4 +5,6 @@
 [node name="NPC" type="CharacterBody2D"]
 script = ExtResource("1_ucjfp")
 
-[node name="Area2D" type="Area2D" parent="."]
+[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)