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R_GetLinedefTransTable: Calculate the transtable arithmetically instead of doing an if-else cascade

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MascaraSnake 2020-02-11 19:18:31 +01:00
parent cb08537990
commit 7b627abf31
1 changed files with 1 additions and 18 deletions
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19
src/r_segs.c
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@ -288,24 +288,7 @@ static void R_DrawFlippedMaskedSegColumn(column_t *column)
transnum_t R_GetLinedefTransTable(fixed_t alpha) transnum_t R_GetLinedefTransTable(fixed_t alpha)
{ {
if (alpha < 9830) return (20*(FRACUNIT - alpha - 1) + FRACUNIT) >> (FRACBITS+1);
return tr_trans90;
else if (alpha < 16384)
return tr_trans80;
else if (alpha < 22937)
return tr_trans70;
else if (alpha < 29491)
return tr_trans60;
else if (alpha < 36044)
return tr_trans50;
else if (alpha < 42598)
return tr_trans40;
else if (alpha < 49152)
return tr_trans30;
else if (alpha < 55705)
return tr_trans20;
else
return tr_trans10;
} }
void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2) void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)