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Merge branch 'fix-nonslope-slopes' into 'next' 

Provide a fix for "non-sloped" slopes launch/land behavior by checking the normal's components.

See merge request STJr/SRB2!634
This commit is contained in:
James R 2020-01-04 16:17:38 -05:00
parent a6926e339f 49667689c1
commit 0a061616ef
1 changed files with 6 additions and 5 deletions
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11
src/p_slopes.c
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@ -50,10 +50,10 @@ static void ReconfigureViaVertexes (pslope_t *slope, const vector3_t v1, const v
// Set some defaults for a non-sloped "slope"
if (vec1.z == 0 && vec2.z == 0)
{
/// \todo Fix fully flat cases.
slope->zangle = slope->xydirection = 0;
slope->zdelta = slope->d.x = slope->d.y = 0;
slope->normal.x = slope->normal.y = 0;
slope->normal.z = FRACUNIT;
}
else
{
@ -653,7 +653,9 @@ void P_ReverseQuantizeMomentumToSlope(vector3_t *momentum, pslope_t *slope)
// Handles slope ejection for objects
void P_SlopeLaunch(mobj_t *mo)
{
if (!(mo->standingslope->flags & SL_NOPHYSICS)) // If there's physics, time for launching.
if (!(mo->standingslope->flags & SL_NOPHYSICS) // If there's physics, time for launching.
&& (mo->standingslope->normal.x != 0
|| mo->standingslope->normal.y != 0))
{
// Double the pre-rotation Z, then halve the post-rotation Z. This reduces the
// vertical launch given from slopes while increasing the horizontal launch
@ -710,8 +712,7 @@ fixed_t P_GetWallTransferMomZ(mobj_t *mo, pslope_t *slope)
void P_HandleSlopeLanding(mobj_t *thing, pslope_t *slope)
{
vector3_t mom; // Ditto.
if (slope->flags & SL_NOPHYSICS) { // No physics, no need to make anything complicated.
if (slope->flags & SL_NOPHYSICS || (slope->normal.x == 0 && slope->normal.y == 0)) { // No physics, no need to make anything complicated.
if (P_MobjFlip(thing)*(thing->momz) < 0) // falling, land on slope
{
thing->standingslope = slope;