[BUG] Static Switch Parameter requires input B

Development Programming & Scripting
1

I am unable to connect my StaticSwitchParameter in Material Editor because of missing input B. In UDK theres no such issue.

I have attached screenshots.

static1.jpg
static1.jpg1680×1050 225 KB

static2.jpg
static2.jpg1137×795 181 KB

2

Hi Satheesh,

The issue here is that in UE3 the node is set to “True” by default an in UE4 it is “False”. In the first image, you have a material plugged into a non-active “True” port. To fix this, go into the Switch Param node’s properties and check the “Default Value” box. It will then be set true and only require a connection to the true setting. Or you could plug the material into false. I hope that this helps.

Thanks,

Alexander

3

Hi Alexander,

In UDK the default value is false like in UE4. As you said i enabled “Default Value” checkbox in UE4 and the error was gone but when i created a material instance constant and overrided the “bHaveNormal” to false it complained about Missing Input B.

4

Hi Satheesh,

In UE4 the warning message is just that, a message warning you that since there is nothing attached to the node pin it will go to a default. You should be able to still use the material the same way and switch between true/false, but if there is nothing connected to one of the pins, it will go to default. Functionally it is the same as it was in UDK/UE3. Would you like to request the message be removed?

Thanks,

Alexander

5

Yes i request to remove that message or atleast change the color from red to something else just so we know that its just a warning and we dont have to worry about it.

6

Alright, thank you for your request. I will enter it into our feedback database. If there is anything else that you would like excluded or added in a future build of Rocket, please let us know.

Thanks,

Alexander

7

Thank you Alexander.

8

maybe its better to use some color scheme for warning/errors?

for example:

red - critical/blocking errors

yellow - warnings

green - normal state

blue - selection of node

9

Sorry to bring this up but I just created a new Material Instant Constant and i turned off bHaveNormal. The error shows up and the material changes to default Grid Material. If i turn it on material works fine as expected.

10

Hey Satheesh,

This is the expected result. It was before that the object would just go black in UE3/UDK. The new default texture is the grid.

Thanks,

Alexander

11

oh ok. Thanks Alexander.