feat: add plasma gun weapon implementation and new pause menu system with loadout management

2026-06-04 17:06:50 -04:00
parent 67bd5b4302
commit 1ccc66a601
37 changed files with 1070 additions and 0 deletions
@@ -0,0 +1,138 @@
+extends Node3D
+class_name BaseHitscanWeapon
+
+@export var weapon_name: String = "Base Hitscan"
+@export var fire_rate: float = 0.1 # Seconds between shots
+@export var max_ammo: int = 30
+@export var reload_time: float = 1.5
+@export var base_damage: float = 10.0
+@export var min_damage: float = 5.0
+@export var falloff_start: float = 10.0
+@export var max_range: float = 100.0
+@export var automatic: bool = true
+@export var spread_angle: float = 0.01
+
+var current_ammo: int = 30
+var reloading: bool = false
+var reload_timer: float = 0.0
+var fire_cooldown: float = 0.0
+var is_firing: bool = false
+
+var player: CharacterBody3D
+var camera: Camera3D
+var muzzle_flash: OmniLight3D
+var fire_sound: AudioStreamPlayer3D
+var reload_sound: AudioStreamPlayer3D
+var model_root: Node3D
+
+func _ready() -> void:
+	current_ammo = max_ammo
+	set_process_input(true)
+	set_process(true)
+	
+	model_root = Node3D.new()
+	add_child(model_root)
+	_build_model()
+
+func _build_model() -> void:
+	# Virtual method to be overridden
+	pass
+
+func _process(delta: float) -> void:
+	if fire_cooldown > 0.0:
+		fire_cooldown -= delta
+		
+	if reloading:
+		reload_timer -= delta
+		var spin_speed = (PI * 2.0) / reload_time
+		model_root.rotation.x += spin_speed * delta
+		
+		if reload_timer <= 0.0:
+			current_ammo = max_ammo
+			reloading = false
+			model_root.rotation.x = 0.0
+			print(weapon_name, " Reloaded!")
+			
+	elif automatic and is_firing and fire_cooldown <= 0.0 and current_ammo > 0:
+		_fire()
+
+func _input(event: InputEvent) -> void:
+	if Input.get_mouse_mode() != Input.MOUSE_MODE_CAPTURED:
+		return
+		
+	if event.is_action_pressed("fire"):
+		is_firing = true
+		if not automatic and fire_cooldown <= 0.0 and current_ammo > 0 and not reloading:
+			_fire()
+		elif current_ammo == 0 and not reloading:
+			_start_reload()
+	elif event.is_action_released("fire"):
+		is_firing = false
+	
+	if event.is_action_pressed("reload"):
+		if current_ammo < max_ammo and not reloading:
+			_start_reload()
+
+func _start_reload() -> void:
+	reloading = true
+	reload_timer = reload_time
+	is_firing = false
+	if reload_sound:
+		reload_sound.play()
+
+func _fire() -> void:
+	if current_ammo <= 0 or reloading:
+		return
+		
+	current_ammo -= 1
+	fire_cooldown = fire_rate
+	
+	_shoot_hitscan()
+	_play_muzzle_flash()
+	
+	if fire_sound:
+		# Slight pitch variation
+		fire_sound.pitch_scale = 1.0 + randf_range(-0.05, 0.05)
+		fire_sound.play()
+		
+	if current_ammo == 0:
+		_start_reload()
+
+func _play_muzzle_flash() -> void:
+	if muzzle_flash:
+		muzzle_flash.light_energy = 8.0
+		var tween = create_tween()
+		tween.tween_property(muzzle_flash, "light_energy", 0.0, 0.05)
+
+func _shoot_hitscan() -> void:
+	if not camera: return
+	
+	var space_state = camera.get_world_3d().direct_space_state
+	var origin = camera.global_position
+	var forward = -camera.global_transform.basis.z.normalized()
+	var right = camera.global_transform.basis.x.normalized()
+	var up = camera.global_transform.basis.y.normalized()
+	
+	# Calculate spread
+	var r = sqrt(randf()) * spread_angle
+	var theta = randf() * PI * 2.0
+	var offset_dir = (right * cos(theta) + up * sin(theta)) * r
+	var ray_dir = (forward + offset_dir).normalized()
+	
+	var target = origin + ray_dir * max_range
+	var query = PhysicsRayQueryParameters3D.create(origin, target)
+	
+	if player:
+		query.exclude = [player.get_rid()]
+		
+	var result = space_state.intersect_ray(query)
+	if result:
+		var hit_dist = origin.distance_to(result.position)
+		var damage = base_damage
+		
+		if hit_dist > falloff_start:
+			var falloff_factor = clampf((hit_dist - falloff_start) / (max_range - falloff_start), 0.0, 1.0)
+			damage = lerpf(base_damage, min_damage, falloff_factor)
+			
+		if result.collider.has_method("take_damage"):
+			result.collider.take_damage(damage, result.position, player)