From d13ca362d66360c87dc6f53a08b68f3d6501cb01 Mon Sep 17 00:00:00 2001 From: toasterbabe Date: Mon, 31 Oct 2016 21:34:43 +0000 Subject: [PATCH] Quicksand now supports slopes and also reverse gravity. --- src/p_user.c | 26 ++++++++++++++++++++++---- 1 file changed, 22 insertions(+), 4 deletions(-) diff --git a/src/p_user.c b/src/p_user.c index 921f1240..f2f0cb77 100644 --- a/src/p_user.c +++ b/src/p_user.c @@ -1940,6 +1940,7 @@ static void P_CheckQuicksand(player_t *player) { ffloor_t *rover; fixed_t sinkspeed, friction; + fixed_t topheight, bottomheight; if (!(player->mo->subsector->sector->ffloors && player->mo->momz <= 0)) return; @@ -1951,16 +1952,33 @@ static void P_CheckQuicksand(player_t *player) if (!(rover->flags & FF_QUICKSAND)) continue; - if (*rover->topheight >= player->mo->z && *rover->bottomheight < player->mo->z + player->mo->height) + topheight = P_GetSpecialTopZ(player->mo, sectors + rover->secnum, player->mo->subsector->sector); + bottomheight = P_GetSpecialBottomZ(player->mo, sectors + rover->secnum, player->mo->subsector->sector); + + if (topheight >= player->mo->z && bottomheight < player->mo->z + player->mo->height) { sinkspeed = abs(rover->master->v1->x - rover->master->v2->x)>>1; sinkspeed = FixedDiv(sinkspeed,TICRATE*FRACUNIT); - player->mo->z -= sinkspeed; + if (player->mo->eflags & MFE_VERTICALFLIP) + { + fixed_t ceilingheight = P_GetCeilingZ(player->mo, player->mo->subsector->sector, player->mo->x, player->mo->y, NULL); - if (player->mo->z <= player->mo->subsector->sector->floorheight) - player->mo->z = player->mo->subsector->sector->floorheight; + player->mo->z += sinkspeed; + + if (player->mo->z + player->mo->height >= ceilingheight) + player->mo->z = ceilingheight - player->mo->height; + } + else + { + fixed_t floorheight = P_GetFloorZ(player->mo, player->mo->subsector->sector, player->mo->x, player->mo->y, NULL); + + player->mo->z -= sinkspeed; + + if (player->mo->z <= floorheight) + player->mo->z = floorheight; + } friction = abs(rover->master->v1->y - rover->master->v2->y)>>6;