Fix respawning in reverse gravity

src/d_player.h

@@ -275,6 +275,7 @@ typedef enum
 	k_nextcheck,		// Next checkpoint distance; for p_user.c (was "pw_ncd")
 	k_waypoint,			// Waypoints.
 	k_starpostwp,		// Temporarily stores player waypoint for... some reason. Used when respawning and finishing.
+	k_starpostflip,		// the last starpost we hit requires flipping?
 	k_respawn,			// Timer for the DEZ laser respawn effect
 	k_dropdash,			// Charge up for respawn Drop Dash
 

src/g_game.c

@@ -2371,6 +2371,7 @@ void G_PlayerReborn(INT32 player)
 	INT32 bumper;
 	INT32 comebackpoints;
 	INT32 wanted;
+	INT32 respawnflip;
 	boolean songcredit = false;
 
 	score = players[player].score;
@@ -2411,6 +2412,7 @@ void G_PlayerReborn(INT32 player)
 	starposty = players[player].starposty;
 	starpostz = players[player].starpostz;
 	starpostnum = players[player].starpostnum;
+	respawnflip = players[player].kartstuff[k_starpostflip];	//SRB2KART
 	starpostangle = players[player].starpostangle;
 	jumpfactor = players[player].jumpfactor;
 	thokitem = players[player].thokitem;
@@ -2530,6 +2532,7 @@ void G_PlayerReborn(INT32 player)
 	p->kartstuff[k_comebacktimer] = comebacktime;
 	p->kartstuff[k_wanted] = wanted;
 	p->kartstuff[k_eggmanblame] = -1;
+	p->kartstuff[k_starpostflip] = respawnflip;
 
 	// Don't do anything immediately
 	p->pflags |= PF_USEDOWN;

src/p_inter.c

@@ -1468,6 +1468,7 @@ void P_TouchSpecialThing(mobj_t *special, mobj_t *toucher, boolean heightcheck)
 			player->starpostz = special->z>>FRACBITS;
 			player->starpostangle = special->angle;
 			player->starpostnum = special->health;
+			player->kartstuff[k_starpostflip] = special->spawnpoint->options & MTF_OBJECTFLIP;	// store flipping
 
 			//S_StartSound(toucher, special->info->painsound);
 			return;

src/p_mobj.c

@@ -11137,7 +11137,7 @@ void P_MovePlayerToSpawn(INT32 playernum, mapthing_t *mthing)
 			if (mthing->options >> ZSHIFT)
 				z -= ((mthing->options >> ZSHIFT) << FRACBITS);
 			if (p->kartstuff[k_respawn])
-				z -= 128*FRACUNIT; // Too late for v1, but for later: 128*mapobjectscale;
+				z -= 128*mapobjectscale;
 		}
 		else
 		{
@@ -11145,7 +11145,7 @@ void P_MovePlayerToSpawn(INT32 playernum, mapthing_t *mthing)
 			if (mthing->options >> ZSHIFT)
 				z += ((mthing->options >> ZSHIFT) << FRACBITS);
 			if (p->kartstuff[k_respawn])
-				z += 128*FRACUNIT; // Too late for v1, but for later: 128*mapobjectscale;
+				z += 128*mapobjectscale;
 		}
 
 		if (mthing->options & MTF_OBJECTFLIP) // flip the player!
@@ -11206,7 +11206,14 @@ void P_MovePlayerToStarpost(INT32 playernum)
 #endif
 	sector->ceilingheight;
 
-	z = (p->starpostz + 128) << FRACBITS; // Respawn off the ground
+	if (mobj->player->kartstuff[k_starpostflip])
+		z = (p->starpostz<<FRACBITS) - FixedMul(128<<FRACBITS, mapobjectscale) - mobj->height;
+	else
+		z = (p->starpostz<<FRACBITS) + FixedMul(128<<FRACBITS, mapobjectscale);
+
+	//z = (p->starpostz + 128) << FRACBITS; // reverse gravity exists, pls
+	mobj->player->kartstuff[k_starpostflip] = 0;
+
 	if (z < floor)
 		z = floor;
 	else if (z > ceiling - mobjinfo[MT_PLAYER].height)

src/p_spec.c

@@ -4247,13 +4247,14 @@ DoneSection2:
 						player->starpostx = player->mo->x>>FRACBITS;
 						player->starposty = player->mo->y>>FRACBITS;
 						player->starpostz = player->mo->floorz>>FRACBITS;
+						player->kartstuff[k_starpostflip] = player->mo->flags2 = MF2_OBJECTFLIP;	// store flipping
 						player->starpostangle = player->mo->angle; //R_PointToAngle2(0, 0, player->mo->momx, player->mo->momy); torn; a momentum-based guess is less likely to be wrong in general, but when it IS wrong, it fucks you over entirely...
 					}
 					else
 					{
 						// SRB2kart 200117
 						// Reset starposts (checkpoints) info
-						player->starpostangle = player->starpostx = player->starposty = player->starpostz = 0;
+						player->starpostangle = player->starpostx = player->starposty = player->starpostz = player->kartstuff[k_starpostflip] = 0;
 					}
 
 					if (P_IsLocalPlayer(player))