how to implement advanced custom editor window?

Unity Engine
1

PlayMaker
1922850--124159--upload_2015-1-16_17-17-53.png

uFrame
1922850--124160--upload_2015-1-16_17-18-28.png

how to draw diagram like them?
playmaker, uFrame and other assets contains only dll, no source code, why?
is there any asset containing source code?
what can i do?

i need advices, thanks!

2
1 Like
3

thank you!!

4

i found this

5

I’m, sure!

6

urrr…this was a mistake.
what i wanted to say is , there is an open source package named StrumpyShaderEditor