Files
mmo/systems/nameplate_system.gd
Marek Lenczewski f1d34ebf1d update
2026-04-04 00:00:15 +02:00

226 lines
8.1 KiB
GDScript

extends Node
const ICON_SIZE := 10
const FONT_SIZE := 7
const BORDER_WIDTH := 1
const ICON_MARGIN := 0
const BASE_HEIGHT := 29
var styles: Dictionary = {}
func _ready() -> void:
EventBus.health_changed.connect(_on_health_changed)
EventBus.shield_changed.connect(_on_shield_changed)
EventBus.target_changed.connect(_on_target_changed)
EventBus.entity_died.connect(_on_entity_died)
EventBus.effect_applied.connect(_on_effect_applied)
EventBus.effect_expired.connect(_on_effect_expired)
EventBus.portal_spawn.connect(_on_portal_spawn)
_init_nameplates.call_deferred()
func _init_nameplates() -> void:
for enemy in get_tree().get_nodes_in_group("enemies"):
_setup_nameplate(enemy)
for portal in get_tree().get_nodes_in_group("portals"):
_setup_nameplate(portal)
func _setup_nameplate(entity: Node) -> void:
var nameplate: Sprite3D = entity.get_node_or_null("Healthbar")
if not nameplate:
return
var viewport: SubViewport = nameplate.get_node("SubViewport")
nameplate.texture = viewport.get_texture()
var border: ColorRect = viewport.get_node_or_null("Border")
if border:
border.visible = false
func _process(_delta: float) -> void:
var player: Node = get_tree().get_first_node_in_group("player")
for enemy in get_tree().get_nodes_in_group("enemies"):
if not is_instance_valid(enemy):
continue
var nameplate: Sprite3D = enemy.get_node_or_null("Healthbar")
if not nameplate:
continue
var health_bar: ProgressBar = nameplate.get_node("SubViewport/HealthBar")
var data_source: Node = _get_data_source(enemy)
if not data_source:
continue
if enemy not in styles:
var style_normal: StyleBoxFlat = health_bar.get_theme_stylebox("fill").duplicate()
var style_aggro: StyleBoxFlat = style_normal.duplicate()
style_aggro.bg_color = Color(0.2, 0.4, 0.9, 1)
styles[enemy] = { "normal": style_normal, "aggro": style_aggro }
var s: Dictionary = styles[enemy]
var enemy_target: Variant = data_source.get_stat(enemy, "target")
if player and enemy_target == player:
health_bar.add_theme_stylebox_override("fill", s["aggro"])
else:
health_bar.add_theme_stylebox_override("fill", s["normal"])
func _on_health_changed(entity: Node, current: float, max_val: float) -> void:
if entity == PlayerData:
return
if not is_instance_valid(entity):
return
var nameplate: Sprite3D = entity.get_node_or_null("Healthbar")
if not nameplate:
return
if not nameplate.texture:
_setup_nameplate(entity)
var bar: ProgressBar = nameplate.get_node("SubViewport/HealthBar")
bar.max_value = max_val
bar.value = current
func _on_shield_changed(entity: Node, current: float, max_val: float) -> void:
if entity == PlayerData:
return
if not is_instance_valid(entity):
return
var nameplate: Sprite3D = entity.get_node_or_null("Healthbar")
if not nameplate:
return
var bar: ProgressBar = nameplate.get_node_or_null("SubViewport/ShieldBar")
if not bar:
return
if max_val <= 0:
bar.visible = false
return
bar.visible = true
bar.max_value = max_val
bar.value = current
func _on_target_changed(_player: Node, target: Node) -> void:
for enemy in get_tree().get_nodes_in_group("enemies"):
if not is_instance_valid(enemy):
continue
var nameplate: Sprite3D = enemy.get_node_or_null("Healthbar")
if nameplate:
nameplate.get_node("SubViewport/Border").visible = (target == enemy)
for portal in get_tree().get_nodes_in_group("portals"):
if not is_instance_valid(portal):
continue
var nameplate: Sprite3D = portal.get_node_or_null("Healthbar")
if nameplate:
nameplate.get_node("SubViewport/Border").visible = (target == portal)
func _on_entity_died(entity: Node) -> void:
if entity != PlayerData and is_instance_valid(entity):
styles.erase(entity)
func _on_effect_applied(target: Node, effect: Effect) -> void:
if target == PlayerData:
return
if not is_instance_valid(target):
return
var nameplate: Sprite3D = target.get_node_or_null("Healthbar")
if not nameplate:
return
var container: HBoxContainer = _get_or_create_effect_container(nameplate)
_add_icon(container, effect)
_resize_viewport(nameplate)
func _on_effect_expired(target: Node, effect: Effect) -> void:
if target == PlayerData:
return
if not is_instance_valid(target):
return
var nameplate: Sprite3D = target.get_node_or_null("Healthbar")
if not nameplate:
return
var container: HBoxContainer = nameplate.get_node_or_null("SubViewport/EffectContainer")
if container:
_remove_icon(container, effect)
_resize_viewport.call_deferred(nameplate)
func _on_portal_spawn(_portal: Node, enemies: Array) -> void:
for enemy in enemies:
_setup_nameplate.call_deferred(enemy)
func _get_or_create_effect_container(nameplate: Sprite3D) -> HBoxContainer:
var viewport: SubViewport = nameplate.get_node("SubViewport")
var container: HBoxContainer = viewport.get_node_or_null("EffectContainer")
if container:
return container
container = HBoxContainer.new()
container.name = "EffectContainer"
var health_bar: ProgressBar = viewport.get_node("HealthBar")
var shield_bar: ProgressBar = viewport.get_node_or_null("ShieldBar")
var y_pos: float = 0.0
if shield_bar and shield_bar.visible:
y_pos = shield_bar.offset_bottom + 2
else:
y_pos = health_bar.offset_bottom + 2
container.position = Vector2(2, y_pos)
container.add_theme_constant_override("separation", 1)
viewport.add_child(container)
return container
func _resize_viewport(nameplate: Sprite3D) -> void:
var viewport: SubViewport = nameplate.get_node("SubViewport")
var border: ColorRect = viewport.get_node("Border")
var container: HBoxContainer = viewport.get_node_or_null("EffectContainer")
if not container:
return
var icon_count := 0
for child in container.get_children():
if not child.is_queued_for_deletion():
icon_count += 1
if icon_count > 0:
var needed: int = int(container.position.y) + ICON_SIZE + 4
viewport.size.y = max(BASE_HEIGHT, needed)
border.offset_bottom = viewport.size.y
else:
viewport.size.y = BASE_HEIGHT
border.offset_bottom = BASE_HEIGHT
func _add_icon(container: HBoxContainer, effect: Effect) -> void:
var panel := PanelContainer.new()
var style := StyleBoxFlat.new()
match effect.type:
Effect.Type.AURA:
style.bg_color = Color(0.15, 0.15, 0.3, 1)
style.border_color = Color(0.3, 0.5, 1.0, 1)
Effect.Type.BUFF:
style.bg_color = Color(0.15, 0.3, 0.15, 1)
style.border_color = Color(0.3, 1.0, 0.3, 1)
Effect.Type.DEBUFF:
style.bg_color = Color(0.3, 0.15, 0.15, 1)
style.border_color = Color(1.0, 0.3, 0.3, 1)
style.set_border_width_all(BORDER_WIDTH)
style.set_content_margin_all(ICON_MARGIN)
panel.add_theme_stylebox_override("panel", style)
var label := Label.new()
label.text = effect.effect_name.left(1)
label.horizontal_alignment = HORIZONTAL_ALIGNMENT_CENTER
label.vertical_alignment = VERTICAL_ALIGNMENT_CENTER
label.add_theme_font_size_override("font_size", FONT_SIZE)
label.add_theme_color_override("font_color", Color.WHITE)
label.custom_minimum_size = Vector2(ICON_SIZE, ICON_SIZE)
panel.add_child(label)
panel.custom_minimum_size = Vector2(ICON_SIZE + BORDER_WIDTH * 2, ICON_SIZE + BORDER_WIDTH * 2)
panel.set_meta("effect_type", effect.type)
panel.set_meta("effect_name", effect.effect_name)
var insert_idx := 0
for child in container.get_children():
if child.has_meta("effect_type") and child.get_meta("effect_type") <= effect.type:
insert_idx += 1
else:
break
container.add_child(panel)
container.move_child(panel, insert_idx)
func _remove_icon(container: HBoxContainer, effect: Effect) -> void:
for child in container.get_children():
if child.has_meta("effect_type") and child.has_meta("effect_name"):
if child.get_meta("effect_type") == effect.type and child.get_meta("effect_name") == effect.effect_name:
child.queue_free()
return
func _get_data_source(entity: Node) -> Node:
if entity.is_in_group("boss"):
return BossData
elif entity.is_in_group("enemies"):
return EnemyData
return null