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Lactozilla 2024-05-19 22:53:00 -03:00
parent e67e225ff2
commit 3a09c475c7
1 changed files with 21 additions and 13 deletions
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34
src/p_slopes.c
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@ -852,7 +852,6 @@ fixed_t P_GetLightZAt(const lightlist_t *light, fixed_t x, fixed_t y)
return light->slope ? P_GetSlopeZAt(light->slope, x, y) : light->height;
}
//
// P_QuantizeMomentumToSlope
//
@ -887,6 +886,8 @@ void P_ReverseQuantizeMomentumToSlope(vector3_t *momentum, pslope_t *slope)
FV3_Rotate(momentum, &axis, InvAngle(slope->zangle) >> ANGLETOFINESHIFT);
}
// Returns the angle of the slope plane.
// If line is provided, a new calculation is performed as if the slope were on the top or bottom of a solid midtexture.
angle_t P_GetStandingSlopeZAngle(pslope_t *slope, line_t *line)
{
angle_t zangle = slope->zangle;
@ -900,28 +901,23 @@ angle_t P_GetStandingSlopeZAngle(pslope_t *slope, line_t *line)
return zangle;
}
// Returns the angle of the projected normal of slope plane.
// If line is provided, this simply returns the line's angle.
angle_t P_GetStandingSlopeDirection(pslope_t *slope, line_t *line)
{
angle_t xydirection = slope->xydirection;
if (line)
{
xydirection = R_PointToAngle2(line->v1->x, line->v1->y, line->v2->x, line->v2->y);
xydirection = line->angle;
}
return xydirection;
}
angle_t P_GetObjectStandingSlopeZAngle(mobj_t *mo)
{
return P_GetStandingSlopeZAngle(mo->standingslope, mo->standingline);
}
angle_t P_GetObjectStandingSlopeDirection(mobj_t *mo)
{
return P_GetStandingSlopeDirection(mo->standingslope, mo->standingline);
}
// When given a vector, rotates it and aligns it to either a slope, or a flat surface relative to the slope.
// If line is provided, this calculation is performed as if the slope were on the top or bottom of a solid midtexture.
// See also: P_QuantizeMomentumToSlope
static void QuantizeMomentumToSlope(pslope_t *slope, line_t *line, vector3_t *momentum, boolean reverse)
{
if (!slope || slope->flags & SL_NOPHYSICS)
@ -963,6 +959,18 @@ void P_ReverseQuantizeObjectMomentumToSlope(mobj_t *mo, vector3_t *momentum)
QuantizeMomentumToSlope(mo->standingslope, mo->standingline, momentum, true);
}
// Wrapper for P_GetStandingSlopeZAngle.
angle_t P_GetObjectStandingSlopeZAngle(mobj_t *mo)
{
return P_GetStandingSlopeZAngle(mo->standingslope, mo->standingline);
}
// Wrapper for P_GetObjectStandingSlopeDirection.
angle_t P_GetObjectStandingSlopeDirection(mobj_t *mo)
{
return P_GetStandingSlopeDirection(mo->standingslope, mo->standingline);
}
//
// P_SlopeLaunch
//
@ -1042,7 +1050,6 @@ fixed_t P_GetWallTransferMomZ(mobj_t *mo, pslope_t *slope, line_t *line)
// Function to help handle landing on slopes
void P_HandleSlopeLanding(mobj_t *thing, pslope_t *slope, line_t *line)
{
vector3_t mom; // Ditto.
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
{
@ -1055,6 +1062,7 @@ void P_HandleSlopeLanding(mobj_t *thing, pslope_t *slope, line_t *line)
return;
}
vector3_t mom;
mom.x = thing->momx;
mom.y = thing->momy;
mom.z = thing->momz*2;