Refactor Multiplayer code

entities/components/explosive_damage_component.gd

@@ -0,0 +1,32 @@
+# 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 ExplosiveDamageComponent extends Area3D
+
+@export var damage : int = 100
+@export var impulse_force : int = 1000
+var damage_dealer : Player
+
+func _physics_process(_delta : float) -> void:
+	for body in get_overlapping_bodies():
+		if body is RigidBody3D:
+			var center_of_mass_global_position : Vector3 = body.center_of_mass + body.global_position
+			var direction : Vector3 = ( center_of_mass_global_position - global_position).normalized()
+			body.apply_central_impulse(direction * impulse_force)
+
+	for area in get_overlapping_areas():
+		if area is HealthComponent and is_multiplayer_authority():
+			(area as HealthComponent).damage.rpc(damage, damage_dealer.player_id, damage_dealer.team_id)
+
+	set_physics_process(false)