From 0e1c9478fc0755397ee84d7405a21d436ac98a76 Mon Sep 17 00:00:00 2001
From: Gabriel Kaszewski <gabrielkaszewski@gmail.com>
Date: Sun, 9 Feb 2025 06:03:25 +0100
Subject: [PATCH] add stomping

---
 objects/brick_player.tscn                    | 20 ++++++++++-
 scripts/components/stomp_damage_component.gd | 38 ++++++++++++++++++++
 scripts/player.gd                            |  2 ++
 3 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 scripts/components/stomp_damage_component.gd

diff --git a/objects/brick_player.tscn b/objects/brick_player.tscn
index 608b6ca..511b678 100644
--- a/objects/brick_player.tscn
+++ b/objects/brick_player.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=13 format=3 uid="uid://bqi5s710xb1ju"]
+[gd_scene load_steps=15 format=3 uid="uid://bqi5s710xb1ju"]
 
 [ext_resource type="Script" path="res://scripts/player.gd" id="1_8j4h4"]
 [ext_resource type="Texture2D" uid="uid://b7gp0gqvkv8j4" path="res://sprites/MrBrick_base.png" id="2_bc55y"]
@@ -11,10 +11,14 @@
 [ext_resource type="Script" path="res://scripts/components/knockback.gd" id="9_rjyu4"]
 [ext_resource type="Script" path="res://scripts/components/brick_throw.gd" id="10_u0v3b"]
 [ext_resource type="PackedScene" uid="uid://bymro4t7angv5" path="res://objects/brick.tscn" id="11_qutq2"]
+[ext_resource type="Script" path="res://scripts/components/StompDamageComponent.gd" id="12_0nvxt"]
 
 [sub_resource type="RectangleShape2D" id="RectangleShape2D_hdsg1"]
 size = Vector2(16, 31)
 
+[sub_resource type="RectangleShape2D" id="RectangleShape2D_vad0t"]
+size = Vector2(16, 32)
+
 [node name="Brick Player" type="CharacterBody2D"]
 collision_layer = 4
 collision_mask = 11
@@ -45,6 +49,14 @@ eye_left = NodePath("../Root/Left Eye")
 eye_right = NodePath("../Root/Right Eye")
 player_controller = NodePath("..")
 
+[node name="StompDamageArea" type="Area2D" parent="."]
+collision_layer = 0
+collision_mask = 8
+
+[node name="CollisionShape2D" type="CollisionShape2D" parent="StompDamageArea"]
+position = Vector2(0, 1)
+shape = SubResource("RectangleShape2D_vad0t")
+
 [node name="CoyoteTimer" type="Timer" parent="."]
 
 [node name="CanPickUpComponent" type="Node" parent="."]
@@ -73,5 +85,11 @@ timer = NodePath("../ThrowTimer")
 
 [node name="ThrowTimer" type="Timer" parent="."]
 
+[node name="StompDamageComponent" type="Node" parent="." node_paths=PackedStringArray("area2d", "root")]
+script = ExtResource("12_0nvxt")
+damage = 4.0
+area2d = NodePath("../StompDamageArea")
+root = NodePath("..")
+
 [connection signal="on_death" from="HealthComponent" to="PlayerDeathComponent" method="_on_health_component_on_death"]
 [connection signal="on_health_change" from="HealthComponent" to="KnockbackComponent" method="_on_health_component_on_health_change"]
diff --git a/scripts/components/stomp_damage_component.gd b/scripts/components/stomp_damage_component.gd
new file mode 100644
index 0000000..4c70909
--- /dev/null
+++ b/scripts/components/stomp_damage_component.gd
@@ -0,0 +1,38 @@
+class_name StompDamageComponent
+extends Node
+
+@export var damage: float = 0.25
+@export var area2d: Area2D
+@export var root: Node2D
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	if not area2d:
+		printerr("No area2d assigned!")
+		return
+	if not root:
+		printerr("No root assigned!")
+		return
+		
+	area2d.body_entered.connect(on_area2d_body_entered)
+
+
+func deal_damage(target: HealthComponent) -> void:
+	target.decrease_health(damage)
+	
+	
+func on_area2d_body_entered(body: Node2D) -> void:
+	if body.has_node("HealthComponent"):
+		var health_component: HealthComponent = body.get_node("HealthComponent")
+		if not health_component:
+			printerr("No HealthComponent assigned!")
+			return
+		
+		if root.global_position.y < body.global_position.y:
+			if root is PlayerController:
+				var velocity: Vector2 = root.previous_velocity
+				print("Velocity: ", velocity)
+				if velocity.y > 0.0:
+					deal_damage(health_component)
+					print("Dealt damage to ", body)
+		
\ No newline at end of file
diff --git a/scripts/player.gd b/scripts/player.gd
index 35d3e1b..e0d2601 100644
--- a/scripts/player.gd
+++ b/scripts/player.gd
@@ -5,6 +5,7 @@ extends CharacterBody2D
 
 var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
 var last_direction: Vector2 = Vector2.RIGHT
+var previous_velocity: Vector2 = Vector2.ZERO
 
 @onready var root = $Root
 @onready var coyote_timer: Timer = $CoyoteTimer
@@ -62,6 +63,7 @@ func _physics_process(delta):
 	else:
 		velocity.x = move_toward(velocity.x, 0, speed)
 	
+	previous_velocity = velocity
 	move_and_slide()
 	
 func jump():