301 lines
11 KiB
GDScript
301 lines
11 KiB
GDScript
extends Node3D
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class_name weapon
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@export var weapon_info : weapon_resource
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@export var anim_player : AnimationPlayer
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@export var barrel_ray : RayCast3D
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@export var casing_ejector : RayCast3D
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@export var mag_ejector : RayCast3D
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@export var audio_fire : AudioStreamPlayer3D
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@export var audio_empty : AudioStreamPlayer3D
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@export var audio_reload : AudioStreamPlayer3D
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@export_group("Barrel Smoke")
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@export var fire_smoke : GPUParticles3D
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@export var smoke_timer : Timer
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@export_group("Revolver")
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@export var casing_array : Array[MeshInstance3D]
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@export var bullet_array : Array[MeshInstance3D]
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@export var chamber : Node
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@export_group("Melee")
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@export var melee_collision_shape : Node
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@export_group("Tracker Gun")
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@export var looking_mesh : Node
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@onready var player = get_tree().current_scene.player
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# Revolver vars
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var revolver_chamber_rot_amt = 0
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var casings_chamber_last
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# Tracker vars
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var tracker
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var check_track
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const TRACKER_ASSIGNED_COLOR: Color = Color(0, 0.853, 0, 1)
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const TRACKER_NULL_COLOR :Color = Color(0.743, 0.359, 0, 1)
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var remaining_ammo
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var start_position
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var start_rotation
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var cycle_count_start
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var cycle_count
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# Called when the node enters the scene tree for the first time.
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func _ready():
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if melee_collision_shape != null:
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melee_collision_shape.disabled = true
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if weapon_info.weapon_type != 1:
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casings_chamber_last = weapon_info.max_ammo
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if weapon_info.fire_mode == 0:
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cycle_count_start = 1
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elif weapon_info.fire_mode == 1:
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cycle_count_start = 1
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elif weapon_info.fire_mode == 2:
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cycle_count_start = 3
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cycle_count = cycle_count_start
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# Called every frame. 'delta' is the elapsed time since the previous frame.
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func _process(_delta):
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if chamber != null:
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var rot_amount = revolver_chamber_rot_amt * _delta * 10
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chamber.rotate_object_local(Vector3(0,-1,0),deg_to_rad(rot_amount))
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revolver_chamber_rot_amt -= rot_amount
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if Input.is_action_just_released("shoot"):
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cycle_count = cycle_count_start
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if weapon_info.weapon_type == 2:
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if tracker != null:
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weapon_info.tracker_asset.tracker_indicator_material.emission = TRACKER_ASSIGNED_COLOR
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if looking_mesh != null:
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looking_mesh.look_at(tracker.global_position)
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else:
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weapon_info.tracker_asset.tracker_indicator_material.emission = TRACKER_NULL_COLOR
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looking_mesh.rotation = lerp(rotation, Vector3(0,0,0), _delta * 4)
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if check_track:
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tracker_checker(_delta)
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func reload_finished():
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match weapon_info.reload_type:
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0: #MAGAZINE
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#calculate ammo to add from reserve --- discards ammo in previous mag
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var ammo_added = clamp(weapon_info.max_ammo,1,GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)])
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#add to gun and remove from reserve
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GameGlobals.gun_ammo[weapon_info.gun_name] += ammo_added
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GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)] -= ammo_added
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1: #REVOLVER
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#calculate ammo to add from reserve --- only pulls from what it is missing
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var ammo_needed = weapon_info.max_ammo - GameGlobals.gun_ammo[weapon_info.gun_name]
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var ammo_added = clamp(ammo_needed,1,GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)])
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#add to gun and remove from reserve
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GameGlobals.gun_ammo[weapon_info.gun_name] += ammo_added
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GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)] -= ammo_added
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#make the added-back casings visible
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var index = 0
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while index <= (ammo_added - 1):
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if index < bullet_array.size():
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bullet_array[index].visible = true
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if index < casing_array.size():
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casing_array[index].visible = true
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index += 1
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func shoot():
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if weapon_info.weapon_type == 0:
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if GameGlobals.gun_ammo[weapon_info.gun_name] > 0 and cycle_count > 0:
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if !anim_player.is_playing():
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GameGlobals.gun_ammo[weapon_info.gun_name] -= 1
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if weapon_info.fire_mode != 0:
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cycle_count -= 1
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#audio and anims
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anim_player.play("shoot")
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elif !anim_player.is_playing() and cycle_count != 0:
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anim_player.play("empty")
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audio_empty.play()
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elif weapon_info.weapon_type == 1:
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if !anim_player.is_playing():
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#audio and anims
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anim_player.play("shoot")
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vibration()
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player.recoil.add_recoil(Vector3(0,weapon_info.recoil_amount.y,weapon_info.recoil_amount.z),10,10)
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player.recoil.add_gun_recoil(weapon_info.recoil_amount.x)
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elif weapon_info.weapon_type == 2:
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if !anim_player.is_playing():
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if tracker == null and Input.is_action_just_pressed("shoot"):
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check_track = true
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weapon_info.tracker_check_mesh.visible = true
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weapon_info.tracker_check_mesh.anim_player.play("check")
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if tracker != null and !check_track:
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anim_player.play("shoot")
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func reload():
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match weapon_info.weapon_type:
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0:
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match weapon_info.reload_type:
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0:
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if GameGlobals.gun_ammo[weapon_info.gun_name] < weapon_info.max_ammo and anim_player.get_current_animation() != "reload" and GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)] > 0:
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anim_player.play("reload")
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audio_reload.play()
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if anim_player.is_playing() and anim_player.current_animation == "reload":
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if GameGlobals.gun_ammo[weapon_info.gun_name] == 0:
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GameGlobals.gun_ammo[weapon_info.gun_name] = 0
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else:
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GameGlobals.gun_ammo[weapon_info.gun_name] = 1
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1:
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if GameGlobals.gun_ammo[weapon_info.gun_name] < weapon_info.max_ammo and anim_player.get_current_animation() != "reload" and GameGlobals.ammo_reserve[str(weapon_info.bullet.ammo_type)] > 0:
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anim_player.play("reload")
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audio_reload.play()
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func spawn_mag():
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var instance_mag = weapon_info.mag.instantiate()
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instance_mag.position = mag_ejector.global_position
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instance_mag.transform.basis = mag_ejector.global_transform.basis
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instance_mag.linear_velocity += transform.basis * Vector3(0, -20, 0) + player.velocity
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get_tree().get_root().add_child(instance_mag)
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func spawn_casing():
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if weapon_info.casing != null and casing_ejector != null:
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# Casing transform
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var instance_casing = weapon_info.casing.instantiate()
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instance_casing.position = casing_ejector.global_position
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instance_casing.transform.basis = casing_ejector.global_transform.basis
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instance_casing.player_velocity = player.velocity * transform.basis
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get_tree().get_root().add_child(instance_casing)
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func spawn_revolver_casings():
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if casing_array.size() > 0:
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var ammo_needed = weapon_info.max_ammo - GameGlobals.gun_ammo[weapon_info.gun_name]
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var index = 0
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while index <= ammo_needed - 1:
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if index < bullet_array.size():
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bullet_array[index].visible = false
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if index < casing_array.size():
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casing_array[index].visible = false
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var instance_casing = weapon_info.casing.instantiate()
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instance_casing.position = casing_array[index].global_position
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instance_casing.random_rotation = false
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instance_casing.transform.basis = casing_array[index].global_transform.basis
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instance_casing.player_velocity = player.velocity * transform.basis
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instance_casing.rotation.x += deg_to_rad(90)
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instance_casing.linear_velocity.y = -(8 + randf_range(0,3))
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get_tree().get_root().add_child(instance_casing)
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index += 1
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func fire_tracker():
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var instance_tracker = weapon_info.tracker_asset.instantiate()
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get_tree().current_scene.add_child(instance_tracker)
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if player.bullet_ray.is_colliding():
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var spawn_loc = player.bullet_ray.get_collision_point()
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var spawn_parent = player.bullet_ray.get_collider()
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if spawn_parent != null:
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spawn_parent.add_child(instance_tracker)
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instance_tracker.global_transform.origin = spawn_loc
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instance_tracker.anim_player.play("mark")
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tracker = instance_tracker
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func tracker_checker(_delta):
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if player.bullet_ray.is_colliding():
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var tracker_check_mesh = weapon_info.tracker_asset.instantiate()
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var spawn_loc = player.bullet_ray.get_collision_point()
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var distance_to_point = self.global_position.distance_to(spawn_loc)
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var scale_adjusted = distance_to_point/5
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tracker_check_mesh.global_transform.origin = spawn_loc
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tracker_check_mesh.global_rotation = Vector3(0,0,0)
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tracker_check_mesh.scale = Vector3(scale_adjusted,scale_adjusted,scale_adjusted)
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if check_track == true and Input.is_action_just_released("shoot"):
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fire_tracker()
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check_track = false
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func shotgun_pellet_spawn():
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SignalBus.emit_signal("shot_fired",weapon_info.crosshair_jump_amount)
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audio_fire.play()
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spawn_casing()
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var pellets_remaining = weapon_info.pellets_per_shot
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while pellets_remaining > 0:
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var lv_x = randf_range(-weapon_info.shotgun_spread.x,weapon_info.shotgun_spread.x)
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var lv_y = randf_range(-weapon_info.shotgun_spread.y,weapon_info.shotgun_spread.y)
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# instance bullet
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var instance_bullet = projectile_initialize()
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instance_bullet.linear_velocity += instance_bullet.transform.basis * Vector3(lv_x, lv_y, -weapon_info.bullet_speed) + player.velocity
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get_tree().get_root().add_child(instance_bullet)
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pellets_remaining -= 1
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vibration()
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if fire_smoke != null:
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fire_smoke.restart()
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fire_smoke.emitting = true
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smoke_timer.start()
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player.recoil.add_recoil(Vector3(0,weapon_info.recoil_amount.y,weapon_info.recoil_amount.z),10,10)
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player.recoil.add_gun_recoil(weapon_info.recoil_amount.x)
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player.velocity += player.bullet_ray.global_basis * Vector3(0,0, weapon_info.kick_amount)
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SignalBus.emit_signal("shot_fired")
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func spawn_muzzle_smoke():
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var instance_smoke = weapon_info.muzzle_smoke.instantiate()
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instance_smoke.global_transform.basis = barrel_ray.global_transform.basis
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add_child(instance_smoke)
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func projectile_initialize():
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var instance_bullet = weapon_info.bullet.asset.instantiate()
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instance_bullet.position = player.bullet_ray.global_position
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#shoot bullet from real gun if gun is folded up
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if player.gun_folded == false:
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instance_bullet.transform.basis = player.bullet_ray.global_transform.basis
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else:
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instance_bullet.transform.basis = barrel_ray.global_transform.basis
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instance_bullet.bullet_speed = weapon_info.bullet_speed
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instance_bullet.player_velocity = player.velocity * transform.basis
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instance_bullet.bullet_damage = weapon_info.bullet_damage
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instance_bullet.blast_power = weapon_info.blast_power
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instance_bullet.bullet_force_mod = weapon_info.bullet_force_mod
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if weapon_info.bullet.bullet_hole != null:
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instance_bullet.instance_bullethole = weapon_info.bullet.bullet_hole.instantiate()
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instance_bullet.player_position = player.global_position
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return instance_bullet
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func bullet_fire():
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SignalBus.emit_signal("shot_fired",weapon_info.crosshair_jump_amount)
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audio_fire.play()
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get_tree().current_scene.add_child(projectile_initialize())
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spawn_casing()
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vibration()
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if chamber != null:
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revolver_chamber_rot_amt += weapon_info.chamber_rot_amount
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if weapon_info.smoke_enabled:
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spawn_muzzle_smoke()
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player.recoil.add_recoil(Vector3(0,weapon_info.recoil_amount.y,weapon_info.recoil_amount.z),10,10)
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player.recoil.add_gun_recoil(weapon_info.recoil_amount.x)
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SignalBus.emit_signal("shot_fired")
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func can_fire():
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if anim_player.is_playing() and anim_player.current_animation == "reload":
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return false
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else:
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return true
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func hitscan_fire():
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# Fire hitscan
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pass
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func swapped_out():
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queue_free()
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func melee_collider_enable():
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melee_collision_shape.disabled = false
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func melee_collider_disable():
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melee_collision_shape.disabled = true
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func vibration():
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Input.start_joy_vibration(0,weapon_info.vibration_weak_magnitude,weapon_info.vibration_strong_magnitude,weapon_info.vibration_duration)
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