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Fix negative y offsets for both normal and y-flipped patches

This commit is contained in:
Monster Iestyn 2016-12-01 21:43:27 +00:00
parent 410b55ebcd
commit 52a84cf309
1 changed files with 2 additions and 0 deletions
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2
src/r_data.c
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@ -160,6 +160,7 @@ static inline void R_DrawColumnInCache(column_t *patch, UINT8 *cache, INT32 orig
if (position < 0) if (position < 0)
{ {
count += position; count += position;
source -= position; // start further down the column
position = 0; position = 0;
} }
@ -193,6 +194,7 @@ static inline void R_DrawFlippedColumnInCache(column_t *patch, UINT8 *cache, INT
if (position < 0) if (position < 0)
{ {
count += position; count += position;
source += position; // start further UP the column
position = 0; position = 0;
} }