exp

scenes/LeatherArmor.tscn

@@ -0,0 +1,26 @@
+[gd_scene format=3 uid="uid://bidrinpjiyb2x"]
+
+[ext_resource type="Script" path="res://scripts/LeatherArmor.gd" id="1_leatha"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_1"]
+size = Vector3(0.5, 0.6, 0.22)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_1"]
+albedo_color = Color(0.55, 0.32, 0.14, 1)
+roughness = 0.8
+
+[node name="LeatherArmor" type="Node3D"]
+script = ExtResource("1_leatha")
+
+[node name="ArmorMesh" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_1")
+material_override = SubResource("StandardMaterial3D_1")
+
+[node name="Tooltip" type="Label3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.0, 0)
+billboard = 1
+double_sided = true
+text = "[E] Leather Armor
++1 Toughness"
+font_size = 32
+outline_size = 6

scenes/MetalPlate.tscn

@@ -0,0 +1,27 @@
+[gd_scene format=3 uid="uid://dbvt3pkrej5nq"]
+
+[ext_resource type="Script" path="res://scripts/MetalPlate.gd" id="1_plate"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_1"]
+size = Vector3(0.55, 0.08, 0.7)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_1"]
+albedo_color = Color(0.6, 0.65, 0.72, 1)
+roughness = 0.35
+metallic = 0.8
+metallic_specular = 0.9
+
+[sub_resource type="BoxShape3D" id="BoxShape3D_1"]
+size = Vector3(0.55, 0.08, 0.7)
+
+[node name="MetalPlate" type="CharacterBody3D"]
+script = ExtResource("1_plate")
+
+[node name="PlateMesh" type="MeshInstance3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0)
+mesh = SubResource("BoxMesh_1")
+material_override = SubResource("StandardMaterial3D_1")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.1, 0)
+shape = SubResource("BoxShape3D_1")

scenes/PlateArmor.tscn

@@ -0,0 +1,28 @@
+[gd_scene format=3 uid="uid://cjhyinmjh0c3y"]
+
+[ext_resource type="Script" path="res://scripts/PlateArmor.gd" id="1_platea"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_1"]
+size = Vector3(0.58, 0.72, 0.24)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_1"]
+albedo_color = Color(0.58, 0.62, 0.70, 1)
+roughness = 0.3
+metallic = 0.85
+metallic_specular = 1.0
+
+[node name="PlateArmor" type="Node3D"]
+script = ExtResource("1_platea")
+
+[node name="ArmorMesh" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_1")
+material_override = SubResource("StandardMaterial3D_1")
+
+[node name="Tooltip" type="Label3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.1, 0)
+billboard = 1
+double_sided = true
+text = "[E] Plate Armor
++1 Toughness"
+font_size = 32
+outline_size = 6

scenes/StickArmor.tscn

@@ -0,0 +1,26 @@
+[gd_scene format=3 uid="uid://hk7p5sjjxa1w"]
+
+[ext_resource type="Script" path="res://scripts/StickArmor.gd" id="1_sticka"]
+
+[sub_resource type="BoxMesh" id="BoxMesh_1"]
+size = Vector3(0.45, 0.55, 0.2)
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_1"]
+albedo_color = Color(0.48, 0.32, 0.14, 1)
+roughness = 0.9
+
+[node name="StickArmor" type="Node3D"]
+script = ExtResource("1_sticka")
+
+[node name="ArmorMesh" type="MeshInstance3D" parent="."]
+mesh = SubResource("BoxMesh_1")
+material_override = SubResource("StandardMaterial3D_1")
+
+[node name="Tooltip" type="Label3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.0, 0)
+billboard = 1
+double_sided = true
+text = "[E] Stick Armor
++1 Toughness"
+font_size = 32
+outline_size = 6

scripts/Boulder.gd

@@ -10,7 +10,8 @@ const WALL_BOUNCE   := 0.4
 const WALL_SELF_DMG := 0.4
 
 var kickable_type: String = "boulder"
-var tier: int = 2
+var kick_tier: int = 0
+var toughness_tier: int = 2
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var health: float = 150.0

scripts/Enemy.gd

@@ -16,7 +16,8 @@ static var first_iron_spawned: bool = false
 static var first_essence_spawned: bool = false
 
 var kickable_type: String = ""
-var tier: int = 1
+var kick_tier: int = 1
+var toughness_tier: int = 1
 var move_speed: float = 3.0
 var health: int = 30
 var damage_to_player: int = 8
@@ -90,7 +91,8 @@ func setup(type: String, wave: int) -> void:
 			COLOR_CHASE = Color(0.3, 0.7, 0.3)
 			mat.albedo_color = COLOR_CHASE
 			enemy_level = 3
-	tier = enemy_level
+	kick_tier = enemy_level
+	toughness_tier = enemy_level
 
 func _physics_process(delta: float) -> void:
 	match state:
@@ -144,19 +146,19 @@ func _try_enemy_kick() -> void:
 				nearest_dist = d.length()
 				nearest_kickable = k
 		if nearest_kickable != null:
-			nearest_kickable.call("receive_kick", kick_dir, 35.0 + tier * 8.0)
+			nearest_kickable.call("receive_kick", kick_dir, 35.0 + kick_tier * 8.0)
 			kickable_kick_timer = KICKABLE_KICK_COOLDOWN
 			return
 
-	# 2. Kick lower-tier enemy nearest to player direction
-	if tier > 0:
+	# 2. Kick lower-toughness enemy nearest to player direction
+	if kick_tier > 0:
 		var nearest_enemy: Node3D = null
 		var nearest_enemy_dist := ENEMY_KICK_RANGE
 		for node in get_tree().get_nodes_in_group("enemies"):
 			var en := node as Node3D
 			if en == null or en == self or not is_instance_valid(en):
 				continue
-			if (en.get("tier") if en.get("tier") != null else 0) >= tier:
+			if (en.get("toughness_tier") if en.get("toughness_tier") != null else 0) >= kick_tier:
 				continue
 			var d := (en.global_position - global_position)
 			d.y = 0.0
@@ -164,15 +166,15 @@ func _try_enemy_kick() -> void:
 				nearest_enemy_dist = d.length()
 				nearest_enemy = en
 		if nearest_enemy != null:
-			nearest_enemy.call("receive_kick", kick_dir, 40.0 + tier * 10.0)
+			nearest_enemy.call("receive_kick", kick_dir, 40.0 + kick_tier * 10.0)
 			enemy_kick_timer = ENEMY_KICK_COOLDOWN
 			return
 
-	# 3. Kick player directly if lower tier and in range
-	if tier > 0 and to_player.length() < ENEMY_KICK_RANGE:
-		var player_tier: int = target.get("tier") if target.get("tier") != null else 0
-		if player_tier < tier:
-			target.call("receive_kick", kick_dir, 35.0 + tier * 8.0)
+	# 3. Kick player directly if lower toughness and in range
+	if kick_tier > 0 and to_player.length() < ENEMY_KICK_RANGE:
+		var player_toughness: int = target.get("toughness_tier") if target.get("toughness_tier") != null else 0
+		if player_toughness < kick_tier:
+			target.call("receive_kick", kick_dir, 35.0 + kick_tier * 8.0)
 			enemy_kick_timer = ENEMY_KICK_COOLDOWN
 
 func _fly(delta: float) -> void:

scripts/Essence.gd

@@ -12,7 +12,8 @@ const WALL_BOUNCE   := 0.6
 const WALL_SELF_DMG := 0.0
 
 var kickable_type: String = "essence"
-var tier: int = 3
+var kick_tier: int = 0
+var toughness_tier: int = 3
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var health: float = 999.0

scripts/Iron.gd

@@ -1,6 +1,6 @@
 extends CharacterBody3D
 
-const METAL_ARMOR_SCENE := preload("res://scenes/MetalArmor.tscn")
+const METAL_PLATE_SCENE := preload("res://scenes/MetalPlate.tscn")
 
 signal destroyed
 
@@ -12,7 +12,8 @@ const WALL_BOUNCE   := 0.45
 const WALL_SELF_DMG := 0.5
 
 var kickable_type: String = "iron"
-var tier: int = 2
+var kick_tier: int = 0
+var toughness_tier: int = 2
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var health: float = 80.0
@@ -110,7 +111,7 @@ func _hit_forge(forge: Node3D) -> void:
 	queue_free()
 	if parent == null:
 		return
-	var armor := METAL_ARMOR_SCENE.instantiate() as Node3D
+	var armor := METAL_PLATE_SCENE.instantiate() as Node3D
 	parent.add_child(armor)
 	armor.global_position = spawn_pos
 

scripts/Leather.gd

@@ -7,7 +7,8 @@ const MIN_SPEED    := 0.3
 const WALL_BOUNCE  := 0.7
 
 var kickable_type: String = "leather"
-var tier: int = 1
+var kick_tier: int = 0
+var toughness_tier: int = 0
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var damage_modifier: float = 0.0

scripts/LeatherArmor.gd

@@ -0,0 +1,23 @@
+extends Node3D
+
+@onready var tooltip: Label3D = $Tooltip
+
+func _ready() -> void:
+	add_to_group("interactable")
+	tooltip.visible = false
+	var tw := create_tween().set_loops()
+	tw.tween_property(self, "position:y", 0.45, 0.65)
+	tw.tween_property(self, "position:y", 0.2, 0.65)
+
+func _process(delta: float) -> void:
+	rotation.y += delta * 1.1
+	var players := get_tree().get_nodes_in_group("player")
+	if players.is_empty():
+		tooltip.visible = false
+		return
+	var p := players[0] as Node3D
+	tooltip.visible = p != null and global_position.distance_to(p.global_position) < 2.5
+
+func interact(player: Node) -> void:
+	if player.call("apply_leather_armor"):
+		queue_free()

scripts/LeatherArmor.gd.uid

@@ -0,0 +1 @@
+uid://b80k2b1icwlbm

scripts/Main.gd

@@ -230,7 +230,8 @@ func _spawn_upgraded_enemy(pos: Vector3, type: String, level: int, w: int) -> Ch
 	enemy.setup(type, w)
 	enemy.target = player
 	enemy.enemy_level = level
-	enemy.tier = level
+	enemy.kick_tier = level
+	enemy.toughness_tier = level
 	enemy.global_position = pos
 	enemy.connect("died", _on_enemy_died)
 	enemy.connect("merged", _on_enemy_merged)

scripts/MergeRecipes.gd

@@ -6,11 +6,26 @@ static var _list: Array[Dictionary] = [
 	{
 		"ingredients":      ["leather", "stick"],
 		"result_scene":     "res://scenes/LeatherBoots.tscn",
-		"speed_threshold":  18.0,
+		"speed_threshold":  0.5,
 	},
 	{
 		"ingredients":      ["rock", "rock"],
 		"result_scene":     "res://scenes/Boulder.tscn",
+		"speed_threshold":  5.0,
+	},
+	{
+		"ingredients":      ["stick", "stick"],
+		"result_scene":     "res://scenes/StickArmor.tscn",
+		"speed_threshold":  18.0,
+	},
+	{
+		"ingredients":      ["leather", "rock"],
+		"result_scene":     "res://scenes/LeatherArmor.tscn",
+		"speed_threshold":  18.0,
+	},
+	{
+		"ingredients":      ["leather", "metal_plate"],
+		"result_scene":     "res://scenes/PlateArmor.tscn",
 		"speed_threshold":  18.0,
 	},
 ]

scripts/MetalPlate.gd

@@ -0,0 +1,120 @@
+extends CharacterBody3D
+
+signal destroyed
+
+enum State { IDLE, FLYING }
+
+const AIR_FRICTION  := 0.86
+const MIN_SPEED     := 0.5
+const WALL_BOUNCE   := 0.45
+const WALL_SELF_DMG := 0.4
+
+var kickable_type: String = "metal_plate"
+var kick_tier: int = 0
+var toughness_tier: int = 2
+var state: State = State.IDLE
+var fly_vel: Vector3 = Vector3.ZERO
+var health: float = 120.0
+var dead: bool = false
+var damage_modifier: float = 1.2
+
+@onready var mesh_node: MeshInstance3D = $PlateMesh
+var plate_mat: StandardMaterial3D
+
+const COLOR_IDLE   := Color(0.6, 0.65, 0.72)
+const COLOR_IMPACT := Color(1.0, 1.0, 1.0)
+
+func _ready() -> void:
+	add_to_group("kickable")
+	plate_mat = mesh_node.material_override.duplicate() as StandardMaterial3D
+	mesh_node.material_override = plate_mat
+
+func apply_collision_damage(dmg: float) -> void:
+	_take_damage(dmg)
+
+func receive_kick(direction: Vector3, force: float) -> void:
+	fly_vel = direction * force
+	fly_vel.y = 0.0
+	state = State.FLYING
+
+func _physics_process(delta: float) -> void:
+	if state == State.IDLE:
+		return
+	_fly(delta)
+
+func _fly(delta: float) -> void:
+	var speed_now := Vector2(fly_vel.x, fly_vel.z).length()
+	velocity = fly_vel
+	velocity.y = 0.0
+	move_and_slide()
+
+	var handled := false
+	for i in get_slide_collision_count():
+		var col := get_slide_collision(i)
+		var col3d := col.get_collider() as Node3D
+		if col3d == null:
+			continue
+		if col3d.has_meta("is_wall"):
+			var normal := col.get_normal()
+			normal.y = 0.0
+			if normal.length() > 0.01:
+				fly_vel = fly_vel.bounce(normal.normalized()) * WALL_BOUNCE
+			else:
+				fly_vel = Vector3.ZERO
+			_take_damage(speed_now * WALL_SELF_DMG)
+			handled = true
+			break
+		elif col3d.is_in_group("player"):
+			col3d.call("take_damage", int(speed_now * damage_modifier))
+			fly_vel *= 0.3
+			handled = true
+			break
+		elif col3d.is_in_group("enemies") or col3d.is_in_group("kickable"):
+			if col3d == self:
+				continue
+			KickSystem.resolve(self, col3d, fly_vel)
+			if not dead and is_instance_valid(col3d):
+				var kick_dir := col3d.global_position - global_position
+				kick_dir.y = 0.0
+				if kick_dir.length() > 0.01:
+					col3d.call("receive_kick", kick_dir.normalized(), speed_now * 0.5)
+			fly_vel *= 0.45
+			handled = true
+			break
+
+	if not handled:
+		fly_vel = velocity
+		fly_vel.y = 0.0
+
+	fly_vel *= pow(AIR_FRICTION, delta * 60.0)
+
+	if Vector2(fly_vel.x, fly_vel.z).length() < MIN_SPEED:
+		fly_vel = Vector3.ZERO
+		velocity = Vector3.ZERO
+		state = State.IDLE
+
+	mesh_node.rotation.y += delta * speed_now * 0.25
+
+func _take_damage(dmg: float) -> void:
+	if dead:
+		return
+	health -= dmg
+	_flash()
+	if health <= 0.0:
+		_die()
+
+func _die() -> void:
+	dead = true
+	state = State.IDLE
+	set_physics_process(false)
+	emit_signal("destroyed")
+	var tw := create_tween()
+	tw.tween_property(self, "scale", Vector3(1.8, 0.1, 1.8), 0.12)
+	tw.tween_property(self, "scale", Vector3(0.0, 0.0, 0.0), 0.1)
+	tw.tween_callback(queue_free)
+
+func _flash() -> void:
+	var tw := create_tween()
+	tw.tween_property(plate_mat, "albedo_color", COLOR_IMPACT, 0.04)
+	var target_color := COLOR_IDLE.lerp(Color.RED, clampf(1.0 - health / 120.0, 0.0, 0.6))
+	tw.tween_property(plate_mat, "albedo_color", target_color, 0.18)

scripts/MetalPlate.gd.uid

@@ -0,0 +1 @@
+uid://sfq4iq0btm0g

scripts/PlateArmor.gd

@@ -0,0 +1,23 @@
+extends Node3D
+
+@onready var tooltip: Label3D = $Tooltip
+
+func _ready() -> void:
+	add_to_group("interactable")
+	tooltip.visible = false
+	var tw := create_tween().set_loops()
+	tw.tween_property(self, "position:y", 0.45, 0.65)
+	tw.tween_property(self, "position:y", 0.2, 0.65)
+
+func _process(delta: float) -> void:
+	rotation.y += delta * 1.1
+	var players := get_tree().get_nodes_in_group("player")
+	if players.is_empty():
+		tooltip.visible = false
+		return
+	var p := players[0] as Node3D
+	tooltip.visible = p != null and global_position.distance_to(p.global_position) < 2.5
+
+func interact(player: Node) -> void:
+	if player.call("apply_plate_armor"):
+		queue_free()

scripts/PlateArmor.gd.uid

@@ -0,0 +1 @@
+uid://sklquy2lyugo

scripts/Player.gd

@@ -11,7 +11,11 @@ signal health_changed(current: int, maximum: int)
 @export var max_health: int = 100
 
 var health: int = max_health
-var tier: int = 0
+var kick_tier: int = 1
+var toughness_tier: int = 0
+var has_stick_armor: bool = false
+var has_leather_armor: bool = false
+var has_plate_armor: bool = false
 var kick_timer: float = 0.0
 var invincible_timer: float = 0.0
 var is_alive: bool = true
@@ -165,8 +169,8 @@ func _do_kick() -> void:
 	var best_diff := best.global_position - global_position
 	best_diff.y = 0.0
 	var best_dir := best_diff.normalized()
-	var obj_tier: int = best.get("tier") if best.get("tier") != null else 0
-	var diff_tier := tier - obj_tier
+	var obj_toughness: int = best.get("toughness_tier") if best.get("toughness_tier") != null else 0
+	var diff_tier := kick_tier - obj_toughness
 	var force: float
 	if diff_tier < 0:
 		force = 15.0
@@ -250,20 +254,50 @@ func apply_upgrade(id: String) -> void:
 			emit_signal("health_changed", health, max_health)
 
 func apply_upgrade_boots(speed_bonus: float, _tier: int) -> void:
-	tier += _tier
+	kick_tier += 1
 	move_speed += speed_bonus
 	var tw := create_tween()
 	tw.tween_property(player_mat, "albedo_color", Color(1.0, 0.85, 0.2), 0.1)
 	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.4)
 
 func apply_upgrade_armor() -> void:
-	tier += 1
+	kick_tier += 1
 	var tw := create_tween()
 	tw.tween_property(player_mat, "albedo_color", Color(0.7, 0.8, 1.0), 0.1)
 	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.5)
 
 func apply_upgrade_enchant() -> void:
-	tier += 1
+	kick_tier += 1
 	var tw := create_tween()
 	tw.tween_property(player_mat, "albedo_color", Color(0.8, 0.2, 1.0), 0.1)
 	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.6)
+
+func apply_stick_armor() -> bool:
+	if has_stick_armor:
+		return false
+	has_stick_armor = true
+	toughness_tier += 1
+	var tw := create_tween()
+	tw.tween_property(player_mat, "albedo_color", Color(0.7, 0.5, 0.2), 0.1)
+	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.4)
+	return true
+
+func apply_leather_armor() -> bool:
+	if has_leather_armor:
+		return false
+	has_leather_armor = true
+	toughness_tier += 1
+	var tw := create_tween()
+	tw.tween_property(player_mat, "albedo_color", Color(0.8, 0.5, 0.2), 0.1)
+	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.4)
+	return true
+
+func apply_plate_armor() -> bool:
+	if has_plate_armor:
+		return false
+	has_plate_armor = true
+	toughness_tier += 1
+	var tw := create_tween()
+	tw.tween_property(player_mat, "albedo_color", Color(0.6, 0.7, 1.0), 0.1)
+	tw.tween_property(player_mat, "albedo_color", BASE_COLOR, 0.5)
+	return true

scripts/Rock.gd

@@ -10,7 +10,8 @@ const WALL_BOUNCE   := 0.5
 const WALL_SELF_DMG := 0.6
 
 var kickable_type: String = "rock"
-var tier: int = 0
+var kick_tier: int = 0
+var toughness_tier: int = 1
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var health: float = 60.0

scripts/Stick.gd

@@ -10,7 +10,8 @@ const WALL_BOUNCE   := 0.5
 const WALL_SELF_DMG := 0.5
 
 var kickable_type: String = "stick"
-var tier: int = 0
+var kick_tier: int = 0
+var toughness_tier: int = 1
 var state: State = State.IDLE
 var fly_vel: Vector3 = Vector3.ZERO
 var health: float = 40.0

scripts/StickArmor.gd

@@ -0,0 +1,23 @@
+extends Node3D
+
+@onready var tooltip: Label3D = $Tooltip
+
+func _ready() -> void:
+	add_to_group("interactable")
+	tooltip.visible = false
+	var tw := create_tween().set_loops()
+	tw.tween_property(self, "position:y", 0.45, 0.65)
+	tw.tween_property(self, "position:y", 0.2, 0.65)
+
+func _process(delta: float) -> void:
+	rotation.y += delta * 1.1
+	var players := get_tree().get_nodes_in_group("player")
+	if players.is_empty():
+		tooltip.visible = false
+		return
+	var p := players[0] as Node3D
+	tooltip.visible = p != null and global_position.distance_to(p.global_position) < 2.5
+
+func interact(player: Node) -> void:
+	if player.call("apply_stick_armor"):
+		queue_free()

scripts/StickArmor.gd.uid

@@ -0,0 +1 @@
+uid://cmvl3td1h7qb8