SPR2_DKR<A TO K EXCLUDING F>: New SPR2s which allow character WADs to define unique kart explosion gibs

This merge request is pretty much a sequel to an earlier one now (with great thanks and appreciation) already merged into Kart Krew's master branch.

In that merge request, the kart husk that appears upon a racer's death became customizable as a part of a racer's skin graphic lumps with the new SPR2 lump DKRT.

In this merge request, pretty much the same thing has been implemented only it is now about a dozen new SPR2 lumps (SPR2_DKR<A TO K EXCLUDING F>) each to represent a customizable version of a different "gib" that spawns upon a kart's death explosion.

I don't have much else to say about this merge request that wasn't covered in the one linked earlier, so below are some demonstration GIFs and videos:

ringracers_user-defined-kart-gibs_A0ggIqW1AY

changed the description

added 9 commits

• c2cdf1f6...271c5312 - 7 commits from branch KartKrew:master
• ced2db6f - Fully implemented the goal of the branch in one commit. Nice!
• 08f9fdfc - Switched from a sprite-to-state mapper to just feeding states directly...

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Just rebasing to the latest spout of activity on the master branch to make it easier for Kart Krew. No idea why it says 'fuck' did the rebase but maybe that's some ancient setting in my Git client that I skipped through when I installed it.

added Feature label

added 21 commits

• 08f9fdfc...a4d304a1 - 19 commits from branch KartKrew:master
• 5c69bdd0 - Fully implemented the goal of the branch in one commit. Nice!
• e17fbb9a - Switched from a sprite-to-state mapper to just feeding states directly...

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Again, just rebasing to catch up to the master branch. Glad to see so much activity regardless!

added 14 commits

• e17fbb9a...c192f13d - 13 commits from branch KartKrew:master
• a8a2dd93 - SPR2_DKRA through to SPR2_DKRK (excluding SPR2_DKRF) can now optionally be...

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Rebasing both to catch up with the master branch again and to squash down the 2 commits into one with a better message. You'll also notice that now 'fuck' no longer does the rebases presumably because I switched from HTTPS cloning to SSH cloning.

added 5 commits

• a8a2dd93...e6eaaebd - 4 commits from branch KartKrew:master
• 69431edb - SPR2_DKRA through to SPR2_DKRK (excluding SPR2_DKRF) can now optionally be...

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Catching up again!

added 9 commits

• 69431edb...b9c37231 - 8 commits from branch KartKrew:master
• 7c902b3a - SPR2_DKRA through to SPR2_DKRK (excluding SPR2_DKRF) can now optionally be...

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Catching up again!

Pretty good. Code is a little messy in terms of its use of whitespace and the order of checks, but nothing stands out as cinemasins ding-able. Why did you skip F, though? Does DKRF exist in notable custom addon(s) already? Not a huge issue if so, would rather have more logical lumpnames for new addons

resolved all threads

added 2 commits

• c73407fa - SPR2_DKRA through to SPR2_DKRK (excluding SPR2_DKRF) can now optionally be...
• 23b270c0 - Whitespace & formatting concerns addressed

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