private bool LeftArrowLightMode(int segmentId, float lightWidth, bool hasRightSegment,
                                        bool hasForwardSegment, Vector3 screenPos, float pedestrianWidth, float zoom, float lightHeight,
                                        CustomSegmentLight segmentDict, bool hoveredSegment)
        {
            SetAlpha(segmentId, 3);

            var offsetLight = lightWidth;

            if (hasRightSegment)
            {
                offsetLight += lightWidth;
            }

            if (hasForwardSegment)
            {
                offsetLight += lightWidth;
            }

            var myRect4 =
                new Rect(screenPos.x - lightWidth / 2 - offsetLight - pedestrianWidth + 5f * zoom,
                         screenPos.y - lightHeight / 2, lightWidth, lightHeight);

            switch (segmentDict.LightLeft)
            {
            case RoadBaseAI.TrafficLightState.Green:
                GUI.DrawTexture(myRect4, TrafficLightToolTextureResources.GreenLightLeftTexture2D);
                break;

            case RoadBaseAI.TrafficLightState.Red:
                GUI.DrawTexture(myRect4, TrafficLightToolTextureResources.RedLightLeftTexture2D);
                break;
            }

            if (!myRect4.Contains(Event.current.mousePosition))
            {
                return(hoveredSegment);
            }
            _hoveredButton[0] = segmentId;
            _hoveredButton[1] = 3;

            if (!MainTool.CheckClicked())
            {
                return(true);
            }
            segmentDict.ChangeLightLeft();

            if (!hasForwardSegment)
            {
                segmentDict.ChangeLightMain();
            }
            return(true);
        }
        public object SetNodeState(int nodeIndex, int segIndex, RoadBaseAI.TrafficLightState vehicleState, RoadBaseAI.TrafficLightState pedestrianState)
        {
            ushort nodeId = SelectNodeId(nodeIndex);
            ushort segId  = NetManager.instance.m_nodes.m_buffer[nodeId].GetSegment(segIndex);

            CustomSegmentLights csls = CustomTrafficLights.GetSegmentLights(nodeId, segId);

            if (csls != null)
            {
                foreach (ExtVehicleType evt in csls.VehicleTypes)
                {
                    CustomSegmentLight csl = csls.GetCustomLight(evt);
                    if (csl != null)
                    {
                        RoadBaseAI.TrafficLightState currentState = csl.GetVisualLightState();
                        if (currentState != vehicleState)
                        {
                            if (vehicleState != csl.GetLightMain())
                            {
                                csl.ChangeLightMain();
                            }
                            if (vehicleState != csl.GetLightLeft())
                            {
                                csl.ChangeLightLeft();
                            }
                            if (vehicleState != csl.GetLightRight())
                            {
                                csl.ChangeLightRight();
                            }
                        }
                    }
                }
            }
            else
            {
                return(false);
            }

            return(true);
        }
        private bool LeftForwardRManualSegmentLightMode(bool hasLeftSegment, int segmentId, Vector3 screenPos, float lightWidth,
                                                        float pedestrianWidth, float zoom, float lightHeight, CustomSegmentLight segmentDict, bool hoveredSegment,
                                                        bool hasForwardSegment, bool hasRightSegment)
        {
            if (hasLeftSegment)
            {
                // left arrow light
                SetAlpha(segmentId, 3);

                var myRect4 =
                    new Rect(screenPos.x - lightWidth / 2 - lightWidth * 2 - pedestrianWidth + 5f * zoom,
                             screenPos.y - lightHeight / 2, lightWidth, lightHeight);

                switch (segmentDict.LightLeft)
                {
                case RoadBaseAI.TrafficLightState.Green:
                    GUI.DrawTexture(myRect4, TrafficLightToolTextureResources.GreenLightLeftTexture2D);
                    break;

                case RoadBaseAI.TrafficLightState.Red:
                    GUI.DrawTexture(myRect4, TrafficLightToolTextureResources.RedLightLeftTexture2D);
                    break;
                }

                if (myRect4.Contains(Event.current.mousePosition))
                {
                    _hoveredButton[0] = segmentId;
                    _hoveredButton[1] = 3;
                    hoveredSegment    = true;

                    if (MainTool.CheckClicked())
                    {
                        segmentDict.ChangeLightLeft();
                    }
                }
            }

            // forward-right arrow light
            SetAlpha(segmentId, 4);

            var myRect5 =
                new Rect(screenPos.x - lightWidth / 2 - lightWidth - pedestrianWidth + 5f * zoom,
                         screenPos.y - lightHeight / 2, lightWidth, lightHeight);

            if (hasForwardSegment && hasRightSegment)
            {
                switch (segmentDict.LightMain)
                {
                case RoadBaseAI.TrafficLightState.Green:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.GreenLightForwardRightTexture2D);
                    break;

                case RoadBaseAI.TrafficLightState.Red:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.RedLightForwardRightTexture2D);
                    break;
                }
            }
            else if (!hasRightSegment)
            {
                switch (segmentDict.LightMain)
                {
                case RoadBaseAI.TrafficLightState.Green:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.GreenLightStraightTexture2D);
                    break;

                case RoadBaseAI.TrafficLightState.Red:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.RedLightStraightTexture2D);
                    break;
                }
            }
            else
            {
                switch (segmentDict.LightMain)
                {
                case RoadBaseAI.TrafficLightState.Green:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.GreenLightRightTexture2D);
                    break;

                case RoadBaseAI.TrafficLightState.Red:
                    GUI.DrawTexture(myRect5, TrafficLightToolTextureResources.RedLightRightTexture2D);
                    break;
                }
            }

            if (!myRect5.Contains(Event.current.mousePosition))
            {
                return(hoveredSegment);
            }
            _hoveredButton[0] = segmentId;
            _hoveredButton[1] = 4;

            if (!MainTool.CheckClicked())
            {
                return(true);
            }
            segmentDict.ChangeLightMain();
            return(true);
        }