feat: add player sword combat, dash, and hostile wolf/raider visuals

world/combat/HostileCombatant.gd

@@ -0,0 +1,152 @@
+class_name HostileCombatant
+extends Node3D
+
+const FOLLOW_SPEED := 6.0
+const ARRIVE_DISTANCE := 0.5
+
+var combatant_id: StringName
+var combatant: CombatantStateRecord
+var simulation_manager: Node
+var is_dead_visual := false
+var flash_tween: Tween
+var spawn_scale := Vector3.ONE
+
+
+func _ready() -> void:
+	spawn_scale = Vector3.ONE
+	scale = Vector3.ONE * 0.001
+	var tween := create_tween()
+	tween.set_trans(Tween.TRANS_BACK).set_ease(Tween.EASE_OUT)
+	tween.tween_property(self, "scale", Vector3.ONE, 0.28)
+
+
+func bind(combatant_id_value: StringName, manager: Node) -> void:
+	combatant_id = combatant_id_value
+	simulation_manager = manager
+	combatant = manager.get_combatant(combatant_id) as CombatantStateRecord
+	if combatant == null:
+		return
+	global_position = combatant.get_position()
+	_build_body(combatant.get_kind())
+	combatant.changed.connect(_on_combatant_changed)
+
+
+func _process(delta: float) -> void:
+	if is_dead_visual or combatant == null or not is_instance_valid(combatant):
+		return
+	if not combatant.is_alive():
+		_play_death()
+		return
+	var target_position := combatant.get_position()
+	var to_target := target_position - global_position
+	if to_target.length() <= ARRIVE_DISTANCE:
+		return
+	global_position += to_target.normalized() * minf(FOLLOW_SPEED * delta, to_target.length())
+	rotation.y = lerp_angle(rotation.y, atan2(to_target.x, to_target.z), delta * 8.0)
+
+
+func _on_combatant_changed(_state: CombatantStateRecord) -> void:
+	if combatant == null or combatant.get_health() >= combatant.get_max_health():
+		return
+	_flash_hit()
+
+
+func _flash_hit() -> void:
+	if flash_tween != null and flash_tween.is_valid():
+		flash_tween.kill()
+	flash_tween = create_tween()
+	flash_tween.tween_property(self, "scale", Vector3.ONE * 0.85, 0.06)
+	flash_tween.tween_property(self, "scale", Vector3.ONE, 0.12)
+
+
+func _play_death() -> void:
+	is_dead_visual = true
+	stop_travel_visual()
+	var tween := create_tween()
+	tween.set_trans(Tween.TRANS_QUAD).set_ease(Tween.EASE_IN)
+	tween.tween_property(self, "scale", Vector3(0.001, 0.001, 0.001), 0.45)
+	tween.tween_callback(queue_free)
+
+
+func stop_travel_visual() -> void:
+	pass
+
+
+func _build_body(kind: StringName) -> void:
+	if kind == SimulationIds.COMBATANT_KIND_WOLF:
+		_build_wolf()
+	else:
+		_build_raider()
+
+
+func _build_raider() -> void:
+	var tunic := StandardMaterial3D.new()
+	tunic.albedo_color = Color(0.4, 0.13, 0.1, 1.0)
+	tunic.roughness = 0.85
+	var skin := StandardMaterial3D.new()
+	skin.albedo_color = Color(0.8, 0.58, 0.36, 1.0)
+	skin.roughness = 0.9
+	var metal := StandardMaterial3D.new()
+	metal.albedo_color = Color(0.55, 0.55, 0.58, 1.0)
+	metal.roughness = 0.35
+
+	_add_mesh("Body", CylinderMesh.new(), Vector3(0.0, 1.1, 0.0), tunic)
+	_add_mesh("Head", SphereMesh.new(), Vector3(0.0, 1.7, 0.0), skin)
+	var blade := BoxMesh.new()
+	blade.size = Vector3(0.06, 0.72, 0.14)
+	_add_mesh("Sword", blade, Vector3(0.42, 1.25, 0.0), metal, Vector3(0.0, 0.0, -0.2))
+	var shield := CylinderMesh.new()
+	shield.top_radius = 0.3
+	shield.bottom_radius = 0.3
+	shield.height = 0.12
+	_add_mesh(
+		"Shield", shield, Vector3(-0.42, 1.15, 0.0), metal, Vector3.ZERO, Vector3(1.57, 0.0, 0.0)
+	)
+
+
+func _build_wolf() -> void:
+	var fur := StandardMaterial3D.new()
+	fur.albedo_color = Color(0.32, 0.32, 0.34, 1.0)
+	fur.roughness = 0.95
+	var eye := StandardMaterial3D.new()
+	eye.albedo_color = Color(0.95, 0.5, 0.12, 1.0)
+	eye.roughness = 0.3
+
+	var body := SphereMesh.new()
+	body.radius = 0.34
+	body.height = 0.68
+	_add_mesh("Body", body, Vector3(0.0, 0.55, 0.0), fur, Vector3.ZERO, Vector3(1.57, 0.0, 0.0))
+	var head := SphereMesh.new()
+	head.radius = 0.2
+	head.height = 0.4
+	_add_mesh("Head", head, Vector3(0.0, 0.62, -0.42), fur, Vector3.ZERO, Vector3(1.57, 0.0, 0.0))
+	var tail := BoxMesh.new()
+	tail.size = Vector3(0.1, 0.1, 0.5)
+	_add_mesh("Tail", tail, Vector3(0.0, 0.72, 0.42), fur, Vector3(0.6, 0.0, 0.0))
+	var leg_mesh := CylinderMesh.new()
+	leg_mesh.top_radius = 0.06
+	leg_mesh.bottom_radius = 0.06
+	leg_mesh.height = 0.42
+	for leg_x in [-0.18, 0.18]:
+		for leg_z in [-0.2, 0.2]:
+			_add_mesh("Leg", leg_mesh, Vector3(leg_x, 0.21, leg_z), fur)
+
+
+func _add_mesh(
+	node_name: String,
+	mesh: PrimitiveMesh,
+	local_position: Vector3,
+	material: Material,
+	rotation_offset: Vector3 = Vector3.ZERO,
+	mesh_rotation: Vector3 = Vector3.ZERO
+) -> void:
+	var mesh_instance := MeshInstance3D.new()
+	mesh_instance.name = node_name
+	mesh_instance.mesh = mesh
+	mesh_instance.material_override = material
+	mesh_instance.position = local_position
+	if not rotation_offset.is_zero_approx():
+		mesh_instance.rotation = rotation_offset
+	if not mesh_rotation.is_zero_approx():
+		mesh_instance.rotation += mesh_rotation
+	add_child(mesh_instance)