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Use srb2's version of the ripple fix

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Eidolon 2023-09-03 09:59:58 -05:00
parent e76b1e1707
commit ecd843f0f0
1 changed files with 5 additions and 5 deletions
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10
src/r_plane.cpp
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@ -13,8 +13,6 @@
/// while maintaining a per column clipping list only. /// while maintaining a per column clipping list only.
/// Moreover, the sky areas have to be determined. /// Moreover, the sky areas have to be determined.
#include <algorithm>
#include "doomdef.h" #include "doomdef.h"
#include "console.h" #include "console.h"
#include "g_game.h" #include "g_game.h"
@ -203,6 +201,11 @@ static void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
ds_xfrac += planeripple.xfrac; ds_xfrac += planeripple.xfrac;
ds_yfrac += planeripple.yfrac; ds_yfrac += planeripple.yfrac;
ds_bgofs >>= FRACBITS; ds_bgofs >>= FRACBITS;
if ((y + ds_bgofs) >= viewheight)
ds_bgofs = viewheight-y-1;
if ((y + ds_bgofs) < 0)
ds_bgofs = -y;
} }
pindex = distance >> LIGHTZSHIFT; pindex = distance >> LIGHTZSHIFT;
@ -227,9 +230,6 @@ static void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
ds_x1 = x1; ds_x1 = x1;
ds_x2 = x2; ds_x2 = x2;
// ds_bgofs must not cause an out-of-bounds read
ds_bgofs = std::clamp(ds_bgofs, -ds_y, vid.height - ds_y - 1);
spanfunc(); spanfunc();
} }