feat: implement weapon system, loadout manager, and specialized projectile behaviors with associated assets

weapons/awp.gd

@@ -0,0 +1,97 @@
+extends BaseHitscanWeapon
+class_name AWP
+
+var default_fov: float = 75.0
+var target_fov: float = 75.0
+var ads_fov: float = 20.0 # Extremely high zoom
+var is_ads: bool = false
+
+func _init() -> void:
+	weapon_name = "AWP"
+	fire_rate = 1.5 # Slow
+	max_ammo = 3
+	reload_time = 3.0
+	base_damage = 150.0 # 1 hit kill
+	min_damage = 130.0 # Long falloff still kills
+	falloff_start = 100.0
+	max_range = 300.0
+	automatic = false
+	spread_angle = 0.0
+	penetration_count = 1
+	penetration_damage_penalty = 0.5
+
+func _build_model() -> void:
+	position = Vector3(0.3, -0.3, -0.8)
+	
+	var mat_green = StandardMaterial3D.new()
+	mat_green.albedo_color = Color(0.1, 0.4, 0.1)
+	var mat_black = StandardMaterial3D.new()
+	mat_black.albedo_color = Color(0.1, 0.1, 0.1)
+	
+	# Body
+	var body = MeshInstance3D.new()
+	var b_mesh = BoxMesh.new()
+	b_mesh.size = Vector3(0.06, 0.12, 0.6)
+	b_mesh.material = mat_green
+	body.mesh = b_mesh
+	model_root.add_child(body)
+	
+	# Scope
+	var scope = MeshInstance3D.new()
+	var s_mesh = CylinderMesh.new()
+	s_mesh.top_radius = 0.03
+	s_mesh.bottom_radius = 0.03
+	s_mesh.height = 0.25
+	s_mesh.material = mat_black
+	scope.mesh = s_mesh
+	scope.rotation.x = deg_to_rad(90)
+	scope.position = Vector3(0, 0.09, -0.1)
+	model_root.add_child(scope)
+	
+	# Long Barrel
+	var barrel = MeshInstance3D.new()
+	var bar_mesh = CylinderMesh.new()
+	bar_mesh.top_radius = 0.015
+	bar_mesh.bottom_radius = 0.02
+	bar_mesh.height = 0.6
+	bar_mesh.material = mat_black
+	barrel.mesh = bar_mesh
+	barrel.rotation.x = deg_to_rad(90)
+	barrel.position = Vector3(0, 0.04, -0.6)
+	model_root.add_child(barrel)
+	
+	# Audio
+	fire_sound = AudioStreamPlayer3D.new()
+	fire_sound.stream = load("res://assets/sounds/awp_fire.wav")
+	fire_sound.volume_db = 0.0
+	model_root.add_child(fire_sound)
+	
+	reload_sound = AudioStreamPlayer3D.new()
+	reload_sound.stream = load("res://assets/sounds/shotgun_reload.wav") # Reusing for now
+	model_root.add_child(reload_sound)
+
+func _process(delta: float) -> void:
+	super._process(delta)
+	
+	if camera:
+		if Input.is_action_just_pressed("fire_alt"):
+			is_ads = not is_ads
+			target_fov = ads_fov if is_ads else default_fov
+			
+		camera.fov = lerpf(camera.fov, target_fov, 15.0 * delta)
+		
+		# Move model slightly based on ADS
+		var target_pos = Vector3(0.0, -0.15, -0.6) if is_ads else Vector3(0.3, -0.3, -0.8)
+		position = position.lerp(target_pos, 15.0 * delta)
+
+func _start_reload() -> void:
+	super._start_reload()
+	is_ads = false # Drop out of ADS on reload
+	target_fov = default_fov
+
+func unequip() -> void:
+	is_ads = false
+	if camera:
+		camera.fov = default_fov
+	target_fov = default_fov
+	position = Vector3(0.3, -0.3, -0.8)