Question about the Souce SDK and Hammer Editor

Artwork
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1

Is it possible for you to use the Hammer Editor that comes with Source SDK.
I ask this because this is basically the same program, and I wsee no diffrence between the two (besides a few options). It seems to me that basically since they are the same program you could simply say to use the HL wads and the Half-Life/TFC style maping and it would be complete.

Tell me if this is true. But before all of you going posting NO I at least want you guys that can to try it once before you do.

2

you can make hl1 maps with hamer v.4 if its configured properly but you cant use hl2 content in hl1 maps if its that what you mean. cause hl2 mapping is a bit different from hl1 mapping
i rather prefer to use hammer 3.5 for hl1 mapping though .. most likely because im too tired to setup v4 for hl1 ^^