TowerDefense/Towers/tower.gd
2025-08-29 12:11:51 +02:00

175 lines
4.2 KiB
GDScript

extends StaticBody3D
class_name Tower
enum TYPES { NONE, PIERRE, ALINE, MAXENCE, VICTORIA, EVAN, ALEX }
var bullet : PackedScene = preload("res://Bullets/bullet.tscn")
@export var tower_name : String = "Pierre"
@export var tower_type : TYPES
@export var icone : Texture2D
@export var bio : String
@export var price : int = 100
@export_group("Attack")
@export var bullet_damage : int = 1
@export var action_cooldown : float = 1.5:
set(value):
action_cooldown = clamp(value, 0.3, 999)
$Cooldown.wait_time = action_cooldown
@export_group("Energy")
@export var max_energy : float = 100.0:
set(value):
max_energy = value
@export var energy_regen : float = 10.0
@export var energy_cost : float = 50.0
@onready var energy_bar : EnergyBar3D = $EnergyBar3D
@onready var sprite : Sprite3D = $Sprite3D
var energy : float = max_energy:
set(value):
energy = clampf(value, 0.0, max_energy)
energy_bar.update(value)
if energy < energy_cost:
is_exhausted = true
else:
is_exhausted = false
EventBus.energy_has_changed.emit(self)
var current_targets : Array = []
var current : CharacterBody3D
var can_shoot : bool = true
var is_exhausted : bool = false
var builded : bool = false
var is_rest : bool = true:
set(value):
is_rest = value
if value:
resting()
else:
in_action()
@export_category("Upgrades")
var tower_upgrades : Array[TowerUpgrade]
@export var tower_shop : Array[TowerUpgrade]
func get_available_upgrades() -> Array[TowerUpgrade]:
var available_upgrades : Array[TowerUpgrade]
#Check every upgrades in shop
for shop_upgrade in tower_shop:
#If they have no conditions, they are available
if shop_upgrade.condition == null:
available_upgrades.append(shop_upgrade)
continue
else:
# If they have a condition, check for the previously bought upgrades
for owned_upgrade in tower_upgrades: #Check
if shop_upgrade.condition == owned_upgrade:
available_upgrades.append(shop_upgrade)
return available_upgrades
func apply_upgrade(upgrade : TowerUpgrade):
upgrade.apply_upgrade(self)
if tower_shop.has(upgrade):
tower_shop.erase(upgrade)
tower_upgrades.append(upgrade)
else:
printerr("Upgrade already bought")
func _init() -> void:
EventBus.energy_has_changed.emit(self)
func _ready() -> void:
EventBus.tower_upgraded.connect(_on_EventBus_tower_upgraded)
energy_bar.set_up(energy, max_energy)
energy_bar.set_max_value(max_energy)
$Cooldown.wait_time = action_cooldown
func _process(delta: float) -> void:
if is_rest:
return
if is_instance_valid(current):
if can_shoot && not is_exhausted:
shoot()
can_shoot = false
$Cooldown.start()
else:
for i in $BulletContainer.get_child_count():
$BulletContainer.get_child(i).queue_free()
func shoot() -> void:
energy -= energy_cost
var temp_bullet : Bullet = bullet.instantiate()
temp_bullet.target = current
temp_bullet.bullet_damage = bullet_damage
temp_bullet.start_position = $Aim.global_position
EventBus.bullet_shooted.emit(temp_bullet)
func resting() -> void:
energy += energy_regen
visible = false
set_collision_layer_value(3,false)
set_collision_mask_value(3, false)
$EnergyCooldown.start()
func in_action() -> void:
visible = true
set_collision_layer_value(3, true)
set_collision_mask_value(3, true)
$EnergyCooldown.stop()
func choose_target(_current_targets : Array) -> void:
var temp_array : Array = _current_targets
var current_target : CharacterBody3D = null
for i in temp_array:
if current_target == null :
current_target = i
else:
if i.get_parent().get_progress() > current_target.get_parent().get_progress():
current_target = i
current = current_target
func show_price_tag()-> void:
$PriceTag.text = str(price) +""
visible = true
func hide_price_tag()-> void:
visible = false
func _on_range_body_entered(body: Node3D) -> void:
if body is Enemy:
current_targets.append(body)
choose_target(current_targets)
func _on_range_body_exited(body: Node3D) -> void:
if body is Enemy:
current_targets.erase(body)
choose_target(current_targets)
func _on_cooldown_timeout() -> void:
can_shoot = true
func _on_energy_cooldown_timeout() -> void:
resting()
func _on_EventBus_tower_upgraded(tower_to_upgrade : String, upgrade : TowerUpgrade) -> void:
if tower_to_upgrade == tower_name:
apply_upgrade(upgrade)