Files
UnrealEngineUWP/Engine/Source/Editor/GraphEditor
Ben Ingram bf90b91344 Add new type FExpressionExecOutput to represent UMaterialExpression execution outputs
- Previously exec inputs/outputs were stored along with other (data) inputs/outpus
- Problem is, for exec pins, we want each output to only support 1 connection, but multiple connections to each input. This is the opposite of data, where we support multiple output connections, but only 1 input connection
- So we flip the representation around, and store output pointers, rather than input pointers...this also better matches the way we iterate exec connections while compiling
- This does complicate some UI logic, as now input/output graph pins no longer line up exeactly with UMaterialExpression inputs/outputs (we still have a flat list of pins, but separate lists of exec/non-exec inputs/outputs)
#jira none
#rb lauren.barnes

[CL 15361599 by Ben Ingram in ue5-main branch]
2021-02-08 18:55:31 -04:00
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