My Magsafe adapter blew while charging and now Macbook won't turn on or charge?

My macbook was completely dead (we just got back from vacation). I plugged it in to charge it with my Magsafe L adapter (that came with my macbook) and turned my macbook on. Within 20 minutes (it was around 40% charged at that point I believe), I heard a "pop" and the computer shut off. Completely. No warning. I felt the L shape and it was HOT. I immediately unplugged the adapter from the wall and the box was just as hot if not hotter. The 2 pronged plug has burn looking marks on the metal, which leads me to believe it blew and is dead. Now my macbook won't turn on. I tried a few troubleshooting things (control-command-power button for 3 seconds and shift-option-p-r-power button) and there was no response.
Am I screwed? Will I even be able to get anything off my macbook?
I purchased it in 2009ish if that helps.

If you are in the US or Canada, you could make a Genius appointment
at an Apple Store for a diagnostic check of the computer to see if the
DC-in board (or magsafe board) is still OK.
Or if it was toasted from the power surge or failure of the adapter. If
so, then it would need a service for replacement. Troubleshooting
the charging system may well extend to checking the rest of the
computer hardware, as so much is integrated.
There may be some ideas on repair questions in an appropriate
iFixit guide for MacBooks, online at their site. Not sure if there is
a guide for those power adapters, but had read where repairs had
been attempted by individuals several years ago, posted online.
Hopefully you can reconcile your differences with the MacBook.
Good luck & happy computing!

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