extends BouncingProjectile
class_name GrenadeProjectile

func _ready() -> void:
	super._ready()
	fuse_time = 4.0
	bounciness = 0.5
	drop_gravity = 15.0
	explosion_radius = 5.0
	damage = 120.0
	
func _setup_effects() -> void:
	# No flight loop — a lobbed grenade flies silently (the rocket engine
	# loop read as "the grenade is on fire"). Bounces still make noise.

	# Grenade Body
	var body_mesh = MeshInstance3D.new()
	var sphere = SphereMesh.new()
	sphere.radius = 0.1
	sphere.height = 0.2
	var b_mat = StandardMaterial3D.new()
	b_mat.albedo_color = Color(0.2, 0.4, 0.2) # Dark green
	b_mat.roughness = 0.6
	b_mat.metallic = 0.5
	sphere.material = b_mat
	body_mesh.mesh = sphere
	add_child(body_mesh)
	
	# Smoke Trail (White translucent tail)
	smoke_sys = GPUParticles3D.new()
	var smoke_mat = ParticleProcessMaterial.new()
	smoke_mat.direction = Vector3(0, 0, 1)
	smoke_mat.spread = 5.0
	smoke_mat.initial_velocity_min = 0.0
	smoke_mat.initial_velocity_max = 0.5
	smoke_mat.gravity = Vector3(0, 0.1, 0) # Less floaty
	
	var grad = Gradient.new()
	grad.add_point(0.0, Color(1.0, 1.0, 1.0, 0.5))
	grad.add_point(1.0, Color(1.0, 1.0, 1.0, 0.0))
	var grad_tex = GradientTexture1D.new()
	grad_tex.gradient = grad
	smoke_mat.color_ramp = grad_tex
	
	var curve = Curve.new()
	curve.add_point(Vector2(0.0, 0.5))
	curve.add_point(Vector2(1.0, 1.5))
	var curve_tex = CurveTexture.new()
	curve_tex.curve = curve
	smoke_mat.scale_curve = curve_tex
	
	var smoke_mesh = QuadMesh.new()
	smoke_mesh.size = Vector2(0.2, 0.2)
	var s_mat = StandardMaterial3D.new()
	s_mat.transparency = BaseMaterial3D.TRANSPARENCY_ALPHA
	s_mat.vertex_color_use_as_albedo = true
	s_mat.albedo_texture = get_smoke_texture()
	s_mat.billboard_mode = BaseMaterial3D.BILLBOARD_PARTICLES
	s_mat.billboard_keep_scale = true
	smoke_mesh.material = s_mat
	smoke_sys.draw_pass_1 = smoke_mesh
	smoke_sys.process_material = smoke_mat
	smoke_sys.amount = 32
	smoke_sys.lifetime = 1.0
	smoke_sys.position = Vector3(0, 0, 0.0)
	add_child(smoke_sys)