✨ Inventory, Weapons and refactoring

entities/weapons/chaingun/assets/chaingun.glb.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://cumv8wij5uufk"
+path="res://.godot/imported/chaingun.glb-16cef2303c058492773f5f33b566245e.scn"
+
+[deps]
+
+source_file="res://entities/weapons/chaingun/assets/chaingun.glb"
+dest_files=["res://.godot/imported/chaingun.glb-16cef2303c058492773f5f33b566245e.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

entities/weapons/chaingun/assets/mat_flare.tres

@@ -0,0 +1,17 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://dkyb51bkvgamw"]
+
+[sub_resource type="CompressedTexture2D" id="CompressedTexture2D_343cd"]
+load_path = "res://.godot/imported/Flare00.png-75515c1e8df86aba86a9e55bb8ca7901.s3tc.ctex"
+
+[resource]
+transparency = 1
+cull_mode = 2
+shading_mode = 0
+vertex_color_use_as_albedo = true
+albedo_color = Color(0.860369, 0.860369, 0.860369, 1)
+albedo_texture = SubResource("CompressedTexture2D_343cd")
+billboard_mode = 3
+billboard_keep_scale = true
+particles_anim_h_frames = 1
+particles_anim_v_frames = 1
+particles_anim_loop = false

entities/weapons/chaingun/assets/process_mat_fire.tres

@@ -0,0 +1,27 @@
+[gd_resource type="ParticleProcessMaterial" load_steps=5 format=3 uid="uid://drjuqikmi1uth"]
+
+[sub_resource type="Gradient" id="Gradient_4bco7"]
+offsets = PackedFloat32Array(0.00806452, 1)
+colors = PackedColorArray(1, 1, 1, 0, 1, 1, 1, 0)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_gtja2"]
+gradient = SubResource("Gradient_4bco7")
+
+[sub_resource type="Curve" id="Curve_d0rrq"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.980263, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_5xpsc"]
+curve = SubResource("Curve_d0rrq")
+
+[resource]
+lifetime_randomness = 1.0
+emission_shape = 1
+emission_sphere_radius = 0.3
+spread = 180.0
+gravity = Vector3(0, -2, 0)
+scale_min = 0.75
+scale_max = 1.5
+scale_curve = SubResource("CurveTexture_5xpsc")
+color = Color(5, 2, 1, 1)
+color_ramp = SubResource("GradientTexture1D_gtja2")

entities/weapons/chaingun/assets/tracer.glb.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bf7v57agnxtcp"
+path="res://.godot/imported/tracer.glb-49c5c0f531fb5d373b2273b8c055ba52.scn"
+
+[deps]
+
+source_file="res://entities/weapons/chaingun/assets/tracer.glb"
+dest_files=["res://.godot/imported/tracer.glb-49c5c0f531fb5d373b2273b8c055ba52.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

entities/weapons/chaingun/chaingun.gd

@@ -0,0 +1,44 @@
+# This file is part of open-fpsz.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+class_name ChainGun extends Node3D
+
+@export_range(0, 250) var ammo : int = 250
+@export var fire_rate : float = .1 # seconds
+@export var reload_time : float = 0. # seconds
+
+@export_category("Animations")
+@export var anim_player : AnimationPlayer
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+func trigger() -> void:
+	# play the fire animation
+	anim_player.play("fire")
+	# init projectile
+	var projectile : Node3D = $ProjectileSpawner.new_projectile(
+		ChainGunProjectile,
+		owner.linear_velocity,
+		owner.match_participant_component
+	)
+	# add to owner of player for now
+	GameManager.mode.add_child(projectile)
+	projectile.shape_cast.add_exception(owner)
+
+func _on_visibility_changed() -> void:
+	if self.visible:
+		anim_player.play("equip")
+		#self.sounds.play("equip")

entities/weapons/chaingun/chaingun.tscn

@@ -0,0 +1,45 @@
+[gd_scene load_steps=5 format=3 uid="uid://b0xql5hi0b52y"]
+
+[ext_resource type="PackedScene" uid="uid://cumv8wij5uufk" path="res://entities/weapons/chaingun/assets/chaingun.glb" id="1_d8tdv"]
+[ext_resource type="Script" path="res://entities/weapons/chaingun/chaingun.gd" id="2_qsqeh"]
+[ext_resource type="Script" path="res://entities/components/projectile_spawner.gd" id="3_knyrc"]
+[ext_resource type="PackedScene" uid="uid://b0sfwgilfbpx5" path="res://entities/weapons/chaingun/projectile.tscn" id="4_p63ts"]
+
+[node name="ChainGun" node_paths=PackedStringArray("anim_player") instance=ExtResource("1_d8tdv")]
+script = ExtResource("2_qsqeh")
+anim_player = NodePath("AnimationPlayer")
+
+[node name="ProjectileSpawner" type="Marker3D" parent="." index="0"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.124544, 0.476417)
+script = ExtResource("3_knyrc")
+PROJECTILE = ExtResource("4_p63ts")
+inheritance = 1.0
+
+[node name="Skeleton3D" parent="Armature" index="0"]
+bones/1/rotation = Quaternion(3.09086e-08, 0.707107, 0.707107, 3.09086e-08)
+bones/2/rotation = Quaternion(3.09086e-08, 0.707107, 0.707107, -3.09086e-08)
+bones/3/rotation = Quaternion(3.09086e-08, 0.707107, 0.707107, -3.09086e-08)
+
+[node name="BarrelsInner" parent="Armature/Skeleton3D" index="0"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.692504, 1.30946)
+
+[node name="BarrelsOuter" parent="Armature/Skeleton3D" index="1"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.692504, 1.30946)
+
+[node name="Base" parent="Armature/Skeleton3D" index="2"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.692504, 1.30946)
+
+[node name="Grip" parent="Armature/Skeleton3D" index="3"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0.692504, 1.30946)
+
+[node name="AnimationPlayer" parent="." index="2"]
+autoplay = "idle"
+
+[node name="Barrels" type="BoneAttachment3D" parent="." index="3"]
+transform = Transform3D(-1, 0, 8.74227e-08, 8.74227e-08, 0, 1, 0, 1, 0, -2.32831e-10, 0.692504, 0.756307)
+bone_name = "barrels"
+bone_idx = 1
+use_external_skeleton = true
+external_skeleton = NodePath("../Armature/Skeleton3D")
+
+[connection signal="visibility_changed" from="." to="." method="_on_visibility_changed"]

entities/weapons/chaingun/projectile.gd

@@ -0,0 +1,55 @@
+# This file is part of open-fpsz.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+class_name ChainGunProjectile extends Node3D
+
+@export var speed : float = 180. # m/s
+@export var lifespan : float = .5 # in seconds
+@export var build_up_time : float = .6 # seconds
+
+var shooter : MatchParticipantComponent
+var velocity : Vector3 = Vector3.ZERO
+
+@onready var shape_cast : ShapeCast3D = $ShapeCast3D
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	$Timer.wait_time = lifespan
+
+func _on_timer_timeout() -> void:
+	queue_free()
+
+func _physics_process(delta : float) -> void:
+	global_position += velocity * delta
+	if shape_cast.is_colliding():
+		for collision_id in shape_cast.get_collision_count():
+			var collider : Object = shape_cast.get_collider(collision_id)
+			if collider is Player:
+				if is_multiplayer_authority():
+					assert(shooter)
+					collider.health_component.damage.rpc(18, shooter.player_id, shooter.team_id)
+		queue_free()
+
+## This method is a parameterized constructor for the [ChainGunProjectile] scene of the [ChainGun]
+static func new_projectile(
+	origin : Marker3D, 
+	inherited_velocity : Vector3,
+	_shooter : MatchParticipantComponent,
+	scene : PackedScene
+) -> ChainGunProjectile:
+	var projectile : ChainGunProjectile = scene.instantiate()
+	projectile.shooter = _shooter
+	projectile.transform = origin.global_transform
+	projectile.velocity = origin.global_basis.z.normalized() * projectile.speed + inherited_velocity
+	return projectile

entities/weapons/chaingun/projectile.tscn

@@ -0,0 +1,25 @@
+[gd_scene load_steps=4 format=3 uid="uid://b0sfwgilfbpx5"]
+
+[ext_resource type="PackedScene" uid="uid://bf7v57agnxtcp" path="res://entities/weapons/chaingun/assets/tracer.glb" id="1_p7mmn"]
+[ext_resource type="Script" path="res://entities/weapons/chaingun/projectile.gd" id="2_jjfwk"]
+
+[sub_resource type="CapsuleShape3D" id="CapsuleShape3D_dbodg"]
+radius = 0.2
+height = 2.5
+
+[node name="ChainGunProjectile" instance=ExtResource("1_p7mmn")]
+script = ExtResource("2_jjfwk")
+
+[node name="ShapeCast3D" type="ShapeCast3D" parent="." index="0"]
+transform = Transform3D(1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0, 0, 4.29628)
+shape = SubResource("CapsuleShape3D_dbodg")
+target_position = Vector3(0, -3, 0)
+collision_mask = 2147483653
+
+[node name="tracerinner" parent="." index="1"]
+transform = Transform3D(0.0505494, 0, 0, 0, 0.0505494, 0, 0, 0, 0.0505494, 0, 0, 2.49628)
+
+[node name="Timer" type="Timer" parent="." index="2"]
+autostart = true
+
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

entities/weapons/grenade_launcher/assets/models/grenade_launcher.glb.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="scene"
+importer_version=1
+type="PackedScene"
+uid="uid://bbp260t2qivxk"
+path="res://.godot/imported/grenade_launcher.glb-a6b40e53ec47b6674efe99dda067cfdf.scn"
+
+[deps]
+
+source_file="res://entities/weapons/grenade_launcher/assets/models/grenade_launcher.glb"
+dest_files=["res://.godot/imported/grenade_launcher.glb-a6b40e53ec47b6674efe99dda067cfdf.scn"]
+
+[params]
+
+nodes/root_type=""
+nodes/root_name=""
+nodes/apply_root_scale=true
+nodes/root_scale=1.0
+meshes/ensure_tangents=true
+meshes/generate_lods=true
+meshes/create_shadow_meshes=true
+meshes/light_baking=1
+meshes/lightmap_texel_size=0.2
+meshes/force_disable_compression=false
+skins/use_named_skins=true
+animation/import=true
+animation/fps=30
+animation/trimming=false
+animation/remove_immutable_tracks=true
+import_script/path=""
+_subresources={}
+gltf/naming_version=1
+gltf/embedded_image_handling=1

entities/weapons/grenade_launcher/assets/resources/material_flare.tres

@@ -0,0 +1,13 @@
+[gd_resource type="StandardMaterial3D" load_steps=2 format=3 uid="uid://bbqjhgs44rnss"]
+
+[sub_resource type="CompressedTexture2D" id="CompressedTexture2D_uiuwk"]
+load_path = "res://.godot/imported/Flare00.png-75515c1e8df86aba86a9e55bb8ca7901.s3tc.ctex"
+
+[resource]
+transparency = 1
+cull_mode = 2
+shading_mode = 0
+vertex_color_use_as_albedo = true
+albedo_color = Color(0.860369, 0.860369, 0.860369, 1)
+albedo_texture = SubResource("CompressedTexture2D_uiuwk")
+billboard_keep_scale = true

entities/weapons/grenade_launcher/assets/resources/particle_process_material_fire.tres

@@ -0,0 +1,27 @@
+[gd_resource type="ParticleProcessMaterial" load_steps=5 format=3 uid="uid://c78xg30ynapmt"]
+
+[sub_resource type="Gradient" id="Gradient_q75yo"]
+offsets = PackedFloat32Array(0.00806452, 1)
+colors = PackedColorArray(1, 1, 1, 0, 1, 1, 1, 0)
+
+[sub_resource type="GradientTexture1D" id="GradientTexture1D_gt2l8"]
+gradient = SubResource("Gradient_q75yo")
+
+[sub_resource type="Curve" id="Curve_jt11q"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(0.980263, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_nb67t"]
+curve = SubResource("Curve_jt11q")
+
+[resource]
+lifetime_randomness = 1.0
+emission_shape = 1
+emission_sphere_radius = 0.3
+spread = 180.0
+gravity = Vector3(0, -2, 0)
+scale_min = 0.75
+scale_max = 1.5
+scale_curve = SubResource("CurveTexture_nb67t")
+color = Color(5, 2, 1, 1)
+color_ramp = SubResource("GradientTexture1D_gt2l8")

entities/weapons/grenade_launcher/assets/resources/particle_process_material_flash.tres

@@ -0,0 +1,15 @@
+[gd_resource type="ParticleProcessMaterial" load_steps=3 format=3 uid="uid://cykwajkj5aaqx"]
+
+[sub_resource type="Curve" id="Curve_2oi53"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveTexture" id="CurveTexture_ml1t5"]
+curve = SubResource("Curve_2oi53")
+
+[resource]
+gravity = Vector3(0, 0, 0)
+scale_min = 4.0
+scale_max = 4.0
+scale_curve = SubResource("CurveTexture_ml1t5")
+color = Color(2.5, 1, 0.5, 1)

entities/weapons/grenade_launcher/assets/resources/particle_process_material_sparks.tres

@@ -0,0 +1,31 @@
+[gd_resource type="ParticleProcessMaterial" load_steps=5 format=3 uid="uid://v7s5w3uw4hmb"]
+
+[sub_resource type="Curve" id="Curve_ei0ls"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="Curve" id="Curve_q68ud"]
+max_value = 5.0
+_data = [Vector2(0, 5), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="Curve" id="Curve_1s1qr"]
+_data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 1), 0.0, 0.0, 0, 0]
+point_count = 2
+
+[sub_resource type="CurveXYZTexture" id="CurveXYZTexture_eoauk"]
+curve_x = SubResource("Curve_ei0ls")
+curve_y = SubResource("Curve_q68ud")
+curve_z = SubResource("Curve_1s1qr")
+
+[resource]
+particle_flag_align_y = true
+emission_shape = 1
+emission_sphere_radius = 0.2
+spread = 180.0
+initial_velocity_min = 20.0
+initial_velocity_max = 25.0
+gravity = Vector3(0, -19.6, 0)
+scale_min = 0.2
+scale_curve = SubResource("CurveXYZTexture_eoauk")
+color = Color(5, 2, 1, 1)

entities/weapons/grenade_launcher/assets/textures/Circle00.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://df1te2nwndirs"
+path="res://.godot/imported/Circle00.png-abb71ef9f4ed014b9c4576f63601e876.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://entities/weapons/grenade_launcher/assets/textures/Circle00.png"
+dest_files=["res://.godot/imported/Circle00.png-abb71ef9f4ed014b9c4576f63601e876.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

entities/weapons/grenade_launcher/assets/textures/Flare00.png.import

@@ -0,0 +1,35 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://chchhrpwmho2c"
+path.s3tc="res://.godot/imported/Flare00.png-75515c1e8df86aba86a9e55bb8ca7901.s3tc.ctex"
+metadata={
+"imported_formats": ["s3tc_bptc"],
+"vram_texture": true
+}
+
+[deps]
+
+source_file="res://entities/weapons/grenade_launcher/assets/textures/Flare00.png"
+dest_files=["res://.godot/imported/Flare00.png-75515c1e8df86aba86a9e55bb8ca7901.s3tc.ctex"]
+
+[params]
+
+compress/mode=2
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=true
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=0

entities/weapons/grenade_launcher/assets/textures/Flare01.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bt14yn3vctir"
+path="res://.godot/imported/Flare01.png-4090d4d992d997383a0becd557b43261.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://entities/weapons/grenade_launcher/assets/textures/Flare01.png"
+dest_files=["res://.godot/imported/Flare01.png-4090d4d992d997383a0becd557b43261.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

entities/weapons/grenade_launcher/explosion.gd

@@ -0,0 +1,38 @@
+class_name GrenadeLauncherProjectileExplosion extends Node3D
+
+## The component responsible for explosion damages
+@export var explosive_damage : ExplosiveDamageComponent
+
+## The component responsible for owner identification
+var shooter : MatchParticipantComponent:
+	set(value):
+		shooter = value
+		explosive_damage.damage_dealer = value
+
+## This is increment by 1 when a particle emitter is finished
+var _finished_count : int = 0
+
+## Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	for child in $Particles.get_children():
+		child.emitting = true
+		child.finished.connect(_on_finished)
+		
+## This is called by children particle nodes to destruct our 
+## [GrenadeLauncherProjectileExplosion] once all emitters are finished
+func _on_finished() -> void:
+	_finished_count += 1
+	if _finished_count == $Particles.get_child_count():
+		queue_free()
+
+## This method is a static factory constructor for the 
+## [GrenadeLauncherProjectileExplosion] scene of the [GrenadeLauncherProjectile].
+static func new_explosion(
+	origin : Vector3,
+	_shooter : MatchParticipantComponent,
+	scene : PackedScene
+) -> GrenadeLauncherProjectileExplosion:
+	var explosion : GrenadeLauncherProjectileExplosion = scene.instantiate()
+	explosion.position = origin
+	explosion.shooter = _shooter
+	return explosion

entities/weapons/grenade_launcher/explosion.tscn

@@ -0,0 +1,56 @@
+[gd_scene load_steps=9 format=3 uid="uid://bb43ae1f5j8lw"]
+
+[ext_resource type="Script" path="res://entities/weapons/grenade_launcher/explosion.gd" id="1_xb4jo"]
+[ext_resource type="PackedScene" uid="uid://qb5sf7awdeui" path="res://entities/components/explosive_damage.tscn" id="2_rq8du"]
+[ext_resource type="Material" uid="uid://v7s5w3uw4hmb" path="res://entities/weapons/grenade_launcher/assets/resources/particle_process_material_sparks.tres" id="3_4u6ue"]
+[ext_resource type="Material" uid="uid://bbqjhgs44rnss" path="res://entities/weapons/grenade_launcher/assets/resources/material_flare.tres" id="4_634rq"]
+[ext_resource type="Material" uid="uid://cykwajkj5aaqx" path="res://entities/weapons/grenade_launcher/assets/resources/particle_process_material_flash.tres" id="5_mntrp"]
+[ext_resource type="Material" uid="uid://c78xg30ynapmt" path="res://entities/weapons/grenade_launcher/assets/resources/particle_process_material_fire.tres" id="6_s25g3"]
+
+[sub_resource type="QuadMesh" id="QuadMesh_wt5ts"]
+material = ExtResource("4_634rq")
+
+[sub_resource type="QuadMesh" id="QuadMesh_mv2qw"]
+material = ExtResource("4_634rq")
+
+[node name="GrenadeLauncherProjectileExplosion" type="Node3D" node_paths=PackedStringArray("explosive_damage")]
+script = ExtResource("1_xb4jo")
+explosive_damage = NodePath("ExplosiveDamage")
+
+[node name="ExplosiveDamage" parent="." instance=ExtResource("2_rq8du")]
+
+[node name="Particles" type="Node3D" parent="."]
+
+[node name="Sparks" type="GPUParticles3D" parent="Particles"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.00311279, 0.0152655, -0.000196457)
+emitting = false
+amount = 20
+lifetime = 0.3
+one_shot = true
+explosiveness = 1.0
+fixed_fps = 60
+process_material = ExtResource("3_4u6ue")
+draw_pass_1 = SubResource("QuadMesh_wt5ts")
+
+[node name="Flash" type="GPUParticles3D" parent="Particles"]
+emitting = false
+amount = 1
+lifetime = 0.1
+one_shot = true
+explosiveness = 1.0
+fixed_fps = 60
+process_material = ExtResource("5_mntrp")
+draw_pass_1 = SubResource("QuadMesh_mv2qw")
+
+[node name="Fire" type="GPUParticles3D" parent="Particles"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, -0.00311279, 0.0152655, -0.000196457)
+emitting = false
+amount = 13
+lifetime = 0.55
+one_shot = true
+explosiveness = 1.0
+fixed_fps = 60
+process_material = ExtResource("6_s25g3")
+draw_pass_1 = SubResource("QuadMesh_wt5ts")
+
+[editable path="ExplosiveDamage"]

entities/weapons/grenade_launcher/grenade_launcher.gd

@@ -0,0 +1,29 @@
+class_name GrenadeLauncher extends Node3D
+
+@export_range(0, 24) var ammo : int = 24
+@export var fire_rate : float = 1. # seconds
+@export var reload_time : float = 1. # seconds
+
+@export_category("Animations")
+@export var anim_player : AnimationPlayer
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	pass # Replace with function body.
+
+func trigger() -> void:
+	# play the fire animation
+	anim_player.play("fire")
+	# init projectile
+	var projectile : Node3D = $ProjectileSpawner.new_projectile(
+		GrenadeLauncherProjectile,
+		owner.linear_velocity,
+		owner.match_participant_component
+	)
+	# add to owner of player for now
+	GameManager.mode.add_child(projectile)
+
+func _on_visibility_changed() -> void:
+	if self.visible:
+		anim_player.play("equip")
+		#self.sounds.play("equip")

entities/weapons/grenade_launcher/grenade_launcher.tscn

@@ -0,0 +1,27 @@
+[gd_scene load_steps=5 format=3 uid="uid://cstl7yxc75572"]
+
+[ext_resource type="PackedScene" uid="uid://bbp260t2qivxk" path="res://entities/weapons/grenade_launcher/assets/models/grenade_launcher.glb" id="1_keuur"]
+[ext_resource type="Script" path="res://entities/weapons/grenade_launcher/grenade_launcher.gd" id="2_38xn3"]
+[ext_resource type="PackedScene" uid="uid://dak767xehqa6x" path="res://entities/weapons/grenade_launcher/projectile.tscn" id="3_rg5nk"]
+[ext_resource type="Script" path="res://entities/components/projectile_spawner.gd" id="4_5h5sw"]
+
+[node name="GrenadeLauncher" node_paths=PackedStringArray("anim_player") instance=ExtResource("1_keuur")]
+script = ExtResource("2_38xn3")
+anim_player = NodePath("AnimationPlayer")
+
+[node name="ProjectileSpawner" type="Node3D" parent="." index="0"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1)
+script = ExtResource("4_5h5sw")
+PROJECTILE = ExtResource("3_rg5nk")
+inheritance = 0.75
+
+[node name="barrel" parent="Armature/Skeleton3D" index="0"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.19209e-07, 0)
+
+[node name="grip" parent="Armature/Skeleton3D" index="1"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, -0.082471, -0.0653242)
+
+[node name="main" parent="Armature/Skeleton3D" index="2"]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1.19209e-07, 0)
+
+[connection signal="visibility_changed" from="." to="." method="_on_visibility_changed"]

entities/weapons/grenade_launcher/projectile.gd

@@ -0,0 +1,57 @@
+# This file is part of open-fpsz.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+class_name GrenadeLauncherProjectile extends RigidBody3D
+
+@export_category("Parameters")
+@export var EXPLOSION : PackedScene
+@export var collider : CollisionShape3D
+@export var speed : float = 44. # m/s
+@export var lifespan : float = 1.6 # in seconds
+
+var shooter : MatchParticipantComponent
+var pending_explosion : bool = false
+
+## Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	$Timer.wait_time = lifespan
+	$Timer.start()
+
+## This method enable collision signals to be emitted when the lifespan timer 
+## is finished.
+func _on_timer_timeout() -> void:
+	max_contacts_reported = 1
+	set_contact_monitor(true)
+
+## This method is responsible for spawning the projectile explosion and freeing
+## it when a collision is detected once the lifespan timer is finished.
+func _on_body_entered(_body : Node) -> void:
+	var explosion : GrenadeLauncherProjectileExplosion = \
+		GrenadeLauncherProjectileExplosion.new_explosion(position, shooter, EXPLOSION)
+	add_sibling(explosion)
+	queue_free()
+
+## This method is a static factory constructor for the [GrenadeLauncherProjectile] 
+## scene of the [GrenadeLauncher].
+static func new_projectile(
+	origin : Node3D, 
+	inherited_velocity : Vector3,
+	_shooter : MatchParticipantComponent,
+	scene : PackedScene
+) -> GrenadeLauncherProjectile:
+	var projectile : GrenadeLauncherProjectile = scene.instantiate()
+	projectile.shooter = _shooter
+	projectile.transform = origin.global_transform
+	projectile.linear_velocity = origin.global_basis.z.normalized() * projectile.speed + inherited_velocity
+	return projectile

entities/weapons/grenade_launcher/projectile.tscn

@@ -0,0 +1,46 @@
+[gd_scene load_steps=7 format=3 uid="uid://dak767xehqa6x"]
+
+[ext_resource type="Script" path="res://entities/weapons/grenade_launcher/projectile.gd" id="1_i8v2u"]
+[ext_resource type="PackedScene" uid="uid://bb43ae1f5j8lw" path="res://entities/weapons/grenade_launcher/explosion.tscn" id="2_cxty7"]
+[ext_resource type="Script" path="res://addons/smoothing/smoothing.gd" id="3_wyge0"]
+
+[sub_resource type="PhysicsMaterial" id="PhysicsMaterial_r263x"]
+rough = true
+bounce = 0.5
+
+[sub_resource type="SphereShape3D" id="SphereShape3D_kipwv"]
+radius = 0.062
+
+[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_miu4v"]
+albedo_color = Color(0.2, 0.2, 0.2, 1)
+
+[node name="GrenadeLauncherProjectile" type="RigidBody3D" node_paths=PackedStringArray("collider")]
+collision_layer = 2147483648
+collision_mask = 2147483648
+mass = 5.0
+physics_material_override = SubResource("PhysicsMaterial_r263x")
+continuous_cd = true
+script = ExtResource("1_i8v2u")
+EXPLOSION = ExtResource("2_cxty7")
+collider = NodePath("CollisionShape3D")
+
+[node name="CollisionShape3D" type="CollisionShape3D" parent="."]
+shape = SubResource("SphereShape3D_kipwv")
+
+[node name="Timer" type="Timer" parent="."]
+one_shot = true
+
+[node name="Smoothing" type="Node3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0.000792712, 0, -0.000432983)
+script = ExtResource("3_wyge0")
+flags = 3
+
+[node name="Mesh" type="CSGSphere3D" parent="Smoothing"]
+radius = 0.062
+radial_segments = 24
+rings = 12
+material = SubResource("StandardMaterial3D_miu4v")
+
+[connection signal="body_entered" from="." to="." method="_on_body_entered"]
+[connection signal="body_shape_entered" from="." to="." method="_on_body_shape_entered"]
+[connection signal="timeout" from="Timer" to="." method="_on_timer_timeout"]

entities/weapons/space_gun/projectile.gd

@@ -12,7 +12,7 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-class_name Projectile extends Node3D
+class_name SpaceGunProjectile extends Node3D
 
 @export_category("Parameters")
 @export var EXPLOSION : PackedScene
@@ -28,7 +28,6 @@ var velocity : Vector3 = Vector3.ZERO
 var shooter : MatchParticipantComponent
 
 func _ready() -> void:
-	assert(shooter)
 	var lifespan_timer : Timer = Timer.new()
 	lifespan_timer.wait_time = lifespan
 	lifespan_timer.one_shot = true
@@ -45,12 +44,9 @@ func _ready() -> void:
 
 func self_destruct() -> void:
 	explode(position)
-
-func explode(spawn_location : Vector3) -> void:
-	var spawned_explosion : Node = EXPLOSION.instantiate()
-	spawned_explosion.position = spawn_location
-	spawned_explosion.shooter = shooter
-	game.add_child(spawned_explosion)
+	
+func explode(spawn_position : Vector3) -> void:
+	game.add_child(SpaceGunProjectileExplosion.new_explosion(spawn_position, shooter, EXPLOSION))
 	queue_free()
 
 func _physics_process(delta : float) -> void:
@@ -61,5 +57,18 @@ func _physics_process(delta : float) -> void:
 		var contact_point : Vector3 = shape_cast.collision_result[0].point
 		explode(contact_point)
 
+## This method is a parameterized constructor for the [SpaceGunProjectile] scene of the [SpaceGun]
+static func new_projectile(
+	origin : Marker3D,
+	inherited_velocity : Vector3,
+	_shooter : MatchParticipantComponent,
+	scene : PackedScene
+) -> SpaceGunProjectile:
+	var projectile : SpaceGunProjectile = scene.instantiate()
+	projectile.shooter = _shooter
+	projectile.transform = origin.global_transform
+	projectile.velocity = origin.global_basis.z.normalized() * projectile.speed + inherited_velocity
+	return projectile
+
 func _enable_trail() -> void:
 	projectile_trail._trail_enabled = true

entities/weapons/space_gun/projectile.tscn

@@ -1,7 +1,7 @@
 [gd_scene load_steps=8 format=3 uid="uid://dn1tcakam5egs"]
 
 [ext_resource type="Script" path="res://entities/weapons/space_gun/projectile.gd" id="1_4j1dp"]
-[ext_resource type="PackedScene" uid="uid://8atq41j7wd55" path="res://entities/weapons/space_gun/projectile_explosion.tscn" id="2_llml6"]
+[ext_resource type="PackedScene" path="res://entities/weapons/space_gun/projectile_explosion.tscn" id="2_llml6"]
 [ext_resource type="Script" path="res://addons/smoothing/smoothing.gd" id="3_dmi64"]
 [ext_resource type="Script" path="res://entities/weapons/space_gun/projectile_trail.gd" id="3_ygqbh"]
 

entities/weapons/space_gun/projectile_explosion.gd

@@ -12,16 +12,27 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-extends Node3D
+class_name SpaceGunProjectileExplosion extends Node3D
 
-var shooter : MatchParticipantComponent
+@export var explosive_damage : ExplosiveDamageComponent
 
 @onready var fire : GPUParticles3D = $Fire
-@onready var explosive_damage : ExplosiveDamageComponent = $ExplosiveDamageComponent
+
 var explosion_effect_pending : bool = false
 
+var shooter : MatchParticipantComponent:
+	set(value):
+		shooter = value
+		assert(explosive_damage)
+		explosive_damage.damage_dealer = value
+
 func _ready() -> void:
-	assert(shooter)
-	explosive_damage.damage_dealer = shooter
 	fire.emitting = true
 	fire.finished.connect(func() -> void: queue_free())
+
+## This method is a parameterized constructor for the [SpaceGunProjectileExplosion] scene of the [SpaceGunProjectile]
+static func new_explosion(spawn_position : Vector3, _shooter : MatchParticipantComponent, scene : PackedScene) -> SpaceGunProjectileExplosion:
+	var explosion : SpaceGunProjectileExplosion = scene.instantiate()
+	explosion.shooter = _shooter
+	explosion.position = spawn_position
+	return explosion

entities/weapons/space_gun/projectile_explosion.tscn

@@ -1,7 +1,7 @@
-[gd_scene load_steps=9 format=3 uid="uid://8atq41j7wd55"]
+[gd_scene load_steps=8 format=3 uid="uid://8atq41j7wd55"]
 
 [ext_resource type="Script" path="res://entities/weapons/space_gun/projectile_explosion.gd" id="1_fp5td"]
-[ext_resource type="Script" path="res://entities/components/explosive_damage_component.gd" id="2_28ymv"]
+[ext_resource type="PackedScene" uid="uid://qb5sf7awdeui" path="res://entities/components/explosive_damage.tscn" id="2_js0ht"]
 
 [sub_resource type="Curve" id="Curve_rg204"]
 _data = [Vector2(0, 1), 0.0, 0.0, 0, 0, Vector2(1, 0), 0.0, 0.0, 0, 0]
@@ -25,12 +25,9 @@ emission_energy_multiplier = 4.0
 [sub_resource type="SphereMesh" id="SphereMesh_k3pnh"]
 material = SubResource("StandardMaterial3D_wpu51")
 
-[sub_resource type="SphereShape3D" id="SphereShape3D_nj68w"]
-margin = 0.05
-radius = 5.0
-
-[node name="ProjectileExplosion" type="Node3D"]
+[node name="ProjectileExplosion" type="Node3D" node_paths=PackedStringArray("explosive_damage")]
 script = ExtResource("1_fp5td")
+explosive_damage = NodePath("ExplosiveDamage")
 
 [node name="Fire" type="GPUParticles3D" parent="."]
 emitting = false
@@ -42,8 +39,6 @@ fixed_fps = 60
 process_material = SubResource("ParticleProcessMaterial_3mf41")
 draw_pass_1 = SubResource("SphereMesh_k3pnh")
 
-[node name="ExplosiveDamageComponent" type="Area3D" parent="."]
-script = ExtResource("2_28ymv")
+[node name="ExplosiveDamage" parent="." instance=ExtResource("2_js0ht")]
 
-[node name="CollisionShape3D" type="CollisionShape3D" parent="ExplosiveDamageComponent"]
-shape = SubResource("SphereShape3D_nj68w")
+[editable path="ExplosiveDamage"]

entities/weapons/space_gun/space_gun.gd

@@ -12,45 +12,40 @@
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
-extends Node3D
-class_name SpaceGun
+class_name SpaceGun extends Node3D
 
-@export var PROJECTILE : PackedScene
-@export var holder : MatchParticipantComponent
-
-@onready var nozzle : Node3D = $Nozzle
-@onready var inventory : Node3D = get_parent()
+@export var fire_rate : float = 1. # seconds
+@export var reload_time : float = 1. # seconds
+@export var anim_player : AnimationPlayer
 
 enum WeaponState { WEAPON_READY, WEAPON_RELOADING }
-
-var weapon_state : WeaponState = WeaponState.WEAPON_READY
-
-const inheritance : float = .5 # ratio
-const reload_time : float = 1. # seconds
+var state : WeaponState = WeaponState.WEAPON_READY
 
 func can_fire() -> bool:
-	return weapon_state == WeaponState.WEAPON_READY
+	return state == WeaponState.WEAPON_READY
 
-func fire_primary() -> void:
+func trigger() -> void:
 	# check permission
 	if not can_fire():
 		return
-	# init projectile
-	var projectile : Node = PROJECTILE.instantiate()
-	# configure projectile
-	projectile.shooter = holder
-	projectile.transform = nozzle.global_transform
-	projectile.velocity = nozzle.global_basis.z.normalized() * projectile.speed
-	var inheritance_factor : float = clamp(inheritance, 0., 1.)
-	projectile.velocity += (inventory.owner.linear_velocity * inheritance_factor)
 	# play the fire animation
-	$Mesh/AnimationPlayer.play("fire")
-	# add projectile as sibling of the owner
-	inventory.owner.add_sibling(projectile)
+	anim_player.play("fire")
+	var projectile : Node3D = $ProjectileSpawner.new_projectile(
+		SpaceGunProjectile,
+		owner.linear_velocity,
+		owner.match_participant_component
+	)
+	# add to owner of player for now
+	GameManager.mode.add_child(projectile)
 	# ensure projectile does not collide with owner
 	var collider : ShapeCast3D = projectile.shape_cast
-	collider.add_exception(inventory.owner)
+	collider.add_exception(owner)
 	# update states
-	weapon_state = WeaponState.WEAPON_RELOADING
+	state = WeaponState.WEAPON_RELOADING
 	await get_tree().create_timer(reload_time).timeout
-	weapon_state = WeaponState.WEAPON_READY
+	state = WeaponState.WEAPON_READY
+
+func _on_visibility_changed() -> void:
+	if self.visible:
+		anim_player.play("equip")
+		#self.sounds.play("equip")

entities/weapons/space_gun/space_gun.tscn

@@ -1,16 +1,23 @@
-[gd_scene load_steps=4 format=3 uid="uid://c8co0qa2omjmh"]
+[gd_scene load_steps=5 format=3 uid="uid://c8co0qa2omjmh"]
 
 [ext_resource type="Script" path="res://entities/weapons/space_gun/space_gun.gd" id="1_6sm4s"]
 [ext_resource type="PackedScene" uid="uid://dn1tcakam5egs" path="res://entities/weapons/space_gun/projectile.tscn" id="2_wvneg"]
 [ext_resource type="PackedScene" uid="uid://bjcn37ops3bro" path="res://entities/weapons/space_gun/assets/disclauncher.glb" id="3_5k2xm"]
+[ext_resource type="Script" path="res://entities/components/projectile_spawner.gd" id="3_ihk6g"]
 
-[node name="SpaceGun" type="Node3D"]
+[node name="SpaceGun" type="Node3D" node_paths=PackedStringArray("anim_player")]
 script = ExtResource("1_6sm4s")
+anim_player = NodePath("Mesh/AnimationPlayer")
+
+[node name="ProjectileSpawner" type="Marker3D" parent="."]
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.27)
+script = ExtResource("3_ihk6g")
 PROJECTILE = ExtResource("2_wvneg")
 
 [node name="Mesh" parent="." instance=ExtResource("3_5k2xm")]
 
 [node name="Skeleton3D" parent="Mesh/Armature" index="0"]
+bones/0/rotation = Quaternion(0.707107, -5.33851e-08, -5.33851e-08, 0.707107)
 bones/0/scale = Vector3(1, 1, 1)
 bones/1/rotation = Quaternion(-0.707107, 5.33851e-08, 5.33851e-08, 0.707107)
 bones/1/scale = Vector3(1, 1, 1)
@@ -20,15 +27,17 @@ bones/3/rotation = Quaternion(-0.707107, 5.33851e-08, 5.33851e-08, 0.707107)
 bones/3/scale = Vector3(1, 1, 1)
 
 [node name="grip" parent="Mesh/Armature/Skeleton3D" index="0"]
-transform = Transform3D(1, -4.26326e-14, -2.13163e-14, 2.84217e-14, 1, -3.57628e-07, 3.2684e-14, 3.57628e-07, 1, -1.42109e-14, -2.98023e-07, 2.38419e-07)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.84217e-14, 1.19209e-07, 2.38419e-07)
 
 [node name="main" parent="Mesh/Armature/Skeleton3D" index="1"]
-transform = Transform3D(1, -4.26326e-14, -2.13163e-14, 2.84217e-14, 1, -3.57628e-07, 3.2684e-14, 3.57628e-07, 1, -1.42109e-14, -2.98023e-07, 2.38419e-07)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.84217e-14, 1.19209e-07, 2.38419e-07)
 
 [node name="sides" parent="Mesh/Armature/Skeleton3D" index="2"]
-transform = Transform3D(1, -4.26326e-14, -2.13163e-14, 2.84217e-14, 1, -3.57628e-07, 3.2684e-14, 3.57628e-07, 1, -1.42109e-14, -2.98023e-07, 2.38419e-07)
+transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 2.84217e-14, 1.19209e-07, 2.38419e-07)
 
-[node name="Nozzle" type="Node3D" parent="."]
-transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0.27)
+[node name="AnimationPlayer" parent="Mesh" index="1"]
+autoplay = "idle"
+
+[connection signal="visibility_changed" from="." to="." method="_on_visibility_changed"]
 
 [editable path="Mesh"]