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Slope thrust changes

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- Slope thrust is scaled with game speed. Makes Easy more reasonable, and Hard goofier.
- Slope upward/downward thrust multiplier is applied to all objects equally, instead of only players.
This commit is contained in:
Sally Coolatta 2023-03-11 04:59:47 -05:00
parent 569b9a7dee
commit 5639113ed8
1 changed files with 17 additions and 8 deletions
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25
src/p_slopes.c
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@ -1112,13 +1112,18 @@ void P_HandleSlopeLanding(mobj_t *thing, pslope_t *slope)
// Handles sliding down slopes, like if they were made of butter :)
void P_ButteredSlope(mobj_t *mo)
{
fixed_t thrust;
const fixed_t gameSpeed = K_GetKartGameSpeedScalar(gamespeed);
fixed_t thrust = 0;
if (mo->flags & (MF_NOCLIPHEIGHT|MF_NOGRAVITY))
{
return; // don't slide down slopes if you can't touch them or you're not affected by gravity
}
if (P_CanApplySlopePhysics(mo, mo->standingslope) == false)
{
return; // No physics, no butter.
}
if (mo->player != NULL)
{
@ -1141,17 +1146,21 @@ void P_ButteredSlope(mobj_t *mo)
thrust = FINESINE(mo->standingslope->zangle>>ANGLETOFINESHIFT) * 5 / 4 * (mo->eflags & MFE_VERTICALFLIP ? 1 : -1);
if (mo->player) {
// Make uphill easier to climb, and downhill even faster.
if (mo->momx || mo->momy)
{
fixed_t mult = FRACUNIT;
if (mo->momx || mo->momy) {
angle_t angle = R_PointToAngle2(0, 0, mo->momx, mo->momy) - mo->standingslope->xydirection;
angle_t angle = R_PointToAngle2(0, 0, mo->momx, mo->momy) - mo->standingslope->xydirection;
if (P_MobjFlip(mo) * mo->standingslope->zdelta < 0)
angle ^= ANGLE_180;
mult = FRACUNIT + (FRACUNIT + FINECOSINE(angle>>ANGLETOFINESHIFT))*4/3;
if (P_MobjFlip(mo) * mo->standingslope->zdelta < 0)
{
angle ^= ANGLE_180;
}
// Make downhills goofier for Hard, and climbing slopes easier for Easy.
mult = FixedMul(mult, gameSpeed);
mult = FRACUNIT + (FRACUNIT + mult)*4/3;
thrust = FixedMul(thrust, mult);
}