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r2529 | helixhorned | 2012-03-25 06:55:03 -0700 (Sun, 25 Mar 2012) | 3 lines

Fix an assertion failure with dorotatesprite 4-pixels vline drawing.

See http://forums.duke4.net/topic/5362-crash-with-current-svn/
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r2528 | helixhorned | 2012-03-25 06:54:46 -0700 (Sun, 25 Mar 2012) | 1 line

Fix static-main-arrays debug build, which is without the clipshape feature.
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r2527 | helixhorned | 2012-03-25 06:54:31 -0700 (Sun, 25 Mar 2012) | 1 line

Factor out two practically identical instances of ceiling/floor setup code.
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r2526 | helixhorned | 2012-03-25 06:54:14 -0700 (Sun, 25 Mar 2012) | 3 lines

Factor out assignment of various globals in 4 instances of wall drawing code.

This makes the differences in these codes stand out much more clearly.
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