feat: Add Disable siren (#1383)

src/backend/looped/vehicle/disable_siren.cpp

@@ -0,0 +1,29 @@
+#include "backend/looped_command.hpp"
+#include "natives.hpp"
+
+namespace big
+{
+	class siren_mute : looped_command
+	{
+		using looped_command::looped_command;
+
+		virtual void on_tick() override
+		{
+			if (ENTITY::DOES_ENTITY_EXIST(self::veh))
+			{
+				VEHICLE::SET_VEHICLE_HAS_MUTED_SIRENS(self::veh, true); // Enables muted siren state
+			}
+		}
+
+		virtual void on_disable() override
+		{
+			if (ENTITY::DOES_ENTITY_EXIST(self::veh))
+			{
+				VEHICLE::SET_VEHICLE_HAS_MUTED_SIRENS(self::veh, false); // Disables muted siren state
+			}
+		}
+	};
+
+	siren_mute g_siren_mute("mutesiren", "Mute Siren", "Disables the siren sound of Emergency vehicles",
+	    g.vehicle.siren_mute);
+}

src/core/globals.hpp

@@ -644,8 +644,9 @@ namespace big
 			bool keep_on_ground                         = false;
 			bool no_collision                           = false;
 			bool unlimited_weapons                      = false;
+			bool siren_mute                             = false;
 
-			NLOHMANN_DEFINE_TYPE_INTRUSIVE(vehicle, speedo_meter, fly, rainbow_paint, speed_unit, god_mode, proof_bullet, proof_fire, proof_collision, proof_melee, proof_explosion, proof_steam, proof_water, proof_mask, auto_drive_destination, auto_drive_style, auto_drive_speed, auto_turn_signals, boost_behavior, drive_on_water, horn_boost, instant_brake, block_homing, seatbelt, turn_signals, vehicle_jump, keep_vehicle_repaired, no_water_collision, disable_engine_auto_start, change_engine_state_immediately, vehinvisibility, localveh_visibility, localped_visibility, keep_on_ground, no_collision, unlimited_weapons)
+			NLOHMANN_DEFINE_TYPE_INTRUSIVE(vehicle, speedo_meter, fly, rainbow_paint, speed_unit, god_mode, proof_bullet, proof_fire, proof_collision, proof_melee, proof_explosion, proof_steam, proof_water, proof_mask, auto_drive_destination, auto_drive_style, auto_drive_speed, auto_turn_signals, boost_behavior, drive_on_water, horn_boost, instant_brake, block_homing, seatbelt, turn_signals, vehicle_jump, keep_vehicle_repaired, no_water_collision, disable_engine_auto_start, change_engine_state_immediately, vehinvisibility, localveh_visibility, localped_visibility, keep_on_ground, no_collision, unlimited_weapons, siren_mute)
 		} vehicle{};
 
 		struct weapons

src/views/vehicle/view_vehicle.cpp

@@ -93,6 +93,8 @@ namespace big
 			components::command_checkbox<"driveunder">();
 			components::command_checkbox<"keeponground">();
 
+			components::command_checkbox<"mutesiren">();
+
 			ImGui::EndGroup();
 		}
 		ImGui::Separator();