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Fix equation slopes overflow

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MascaraSnake 2022-07-31 15:12:59 +02:00 • committed by toaster
parent b689e0adf2
commit 915bf83172
1 changed files with 5 additions and 1 deletions
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6
src/p_slopes.c
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@ -201,10 +201,14 @@ void P_ReconfigureViaVertexes (pslope_t *slope, const vector3_t v1, const vector
static void ReconfigureViaConstants (pslope_t *slope, const fixed_t a, const fixed_t b, const fixed_t c, const fixed_t d) static void ReconfigureViaConstants (pslope_t *slope, const fixed_t a, const fixed_t b, const fixed_t c, const fixed_t d)
{ {
fixed_t m; fixed_t m;
fixed_t o = 0;
vector3_t *normal = &slope->normal; vector3_t *normal = &slope->normal;
if (c)
o = abs(c) <= FRACUNIT ? -FixedMul(d, FixedDiv(FRACUNIT, c)) : -FixedDiv(d, c);
// Set origin. // Set origin.
FV3_Load(&slope->o, 0, 0, c ? -FixedDiv(d, c) : 0); FV3_Load(&slope->o, 0, 0, o);
// Get slope's normal. // Get slope's normal.
FV3_Load(normal, a, b, c); FV3_Load(normal, a, b, c);