Function compile_hinge_joint

src/resource/physics_resource.cpp:445–480

	}

	s32 compile_hinge_joint(Buffer &output, UnitCompiler &compiler, FlatJsonObject &obj, CompileOptions &opts)
	{
		HingeJoint hinge = {};
		hinge.axis = VECTOR3_ZAXIS;
		hinge.lower_limit = -PI_FOURTH;
		hinge.upper_limit = PI_FOURTH;
		JointDesc jd;
		s32 err = joint_common_parse(jd, JointType::HINGE, compiler, obj, opts);
		ENSURE_OR_RETURN(PHYSICS_RESOURCE, err == 0, opts);

		hinge.axis = RETURN_IF_ERROR(sjson::parse_vector3(flat_json_object::get(obj, "data.axis")));

		const bool use_motor = RETURN_IF_ERROR(sjson::parse_bool(flat_json_object::get(obj, "data.use_motor")));
		jd.type_and_flags |= use_motor ? (u32)JointFlags::HINGE_USE_MOTOR : 0u;
		hinge.target_velocity = RETURN_IF_ERROR(sjson::parse_float(flat_json_object::get(obj, "data.target_velocity")));
		hinge.max_motor_impulse = RETURN_IF_ERROR(sjson::parse_float(flat_json_object::get(obj, "data.max_motor_impulse")));

		const bool use_limits = RETURN_IF_ERROR(sjson::parse_bool(flat_json_object::get(obj, "data.use_limits")));
		jd.type_and_flags |= use_limits ? (u32)JointFlags::HINGE_USE_LIMITS : 0u;
		hinge.lower_limit = RETURN_IF_ERROR(sjson::parse_float(flat_json_object::get(obj, "data.lower_limit")));
		hinge.upper_limit = RETURN_IF_ERROR(sjson::parse_float(flat_json_object::get(obj, "data.upper_limit")));
		hinge.bounciness = RETURN_IF_ERROR(sjson::parse_float(flat_json_object::get(obj, "data.bounciness")));

		FileBuffer fb(output);
		err = joint_common_write(fb, jd);
		ENSURE_OR_RETURN(PHYSICS_RESOURCE, err == 0, opts);

		BinaryWriter bw(fb);
		bw.write(hinge.axis);
		bw.write(hinge.target_velocity);
		bw.write(hinge.max_motor_impulse);
		bw.write(hinge.lower_limit);
		bw.write(hinge.upper_limit);
		bw.write(hinge.bounciness);
		return 0;
	}

	s32 compile_spherical_joint(Buffer &output, UnitCompiler &compiler, FlatJsonObject &obj, CompileOptions &opts)
	{