This is a sign

Signpost with the face of the person in 1st falls down at a pre-determined location on race finish (or at the finishing player if none is found)

src/dehacked.c

@@ -7218,6 +7218,7 @@ static const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for s
 	"MT_BLUEDIAG",
 	"MT_RANDOMITEM",
 	"MT_RANDOMITEMPOP",
+	"MT_RINGSPARKLE",
 
 	"MT_BOOSTFLAME",
 	"MT_BOOSTSMOKE",

src/info.c

@@ -175,14 +175,15 @@ state_t states[NUMSTATES] =
 	{SPR_NULL, 0, -1, {NULL}, 0, 0, S_OBJPLACE_DUMMY}, //S_OBJPLACE_DUMMY
 
 	// 1-Up Box Sprites (uses player sprite)
-	{SPR_PLAY, 35,  2, {NULL}, 0, 16, S_PLAY_BOX2},  // S_PLAY_BOX1
+	// Kart: default to signpost just to ensure there are no missing sprite errors...
+	{SPR_PLAY, 24,  2, {NULL}, 0, 16, S_PLAY_BOX2},  // S_PLAY_BOX1
 	{SPR_NULL,  0,  1, {NULL}, 0,  0, S_PLAY_BOX1},  // S_PLAY_BOX2
-	{SPR_PLAY, 35,  4, {NULL}, 0,  4, S_PLAY_ICON2}, // S_PLAY_ICON1
+	{SPR_PLAY, 24,  4, {NULL}, 0,  4, S_PLAY_ICON2}, // S_PLAY_ICON1
 	{SPR_NULL,  0, 12, {NULL}, 0,  0, S_PLAY_ICON3}, // S_PLAY_ICON2
-	{SPR_PLAY, 35, 18, {NULL}, 0,  4, S_NULL},       // S_PLAY_ICON3
+	{SPR_PLAY, 24, 18, {NULL}, 0,  4, S_NULL},       // S_PLAY_ICON3
 
 	// Level end sign (uses player sprite)
-	{SPR_PLAY, 34, 1, {NULL}, 0, 24, S_PLAY_SIGN},         // S_PLAY_SIGN
+	{SPR_PLAY, 24, 1, {NULL}, 0, 24, S_PLAY_SIGN},         // S_PLAY_SIGN
 
 	// Blue Crawla
 	{SPR_POSS, 0, 5, {A_Look}, 0, 0, S_POSS_STND},   // S_POSS_STND
@@ -1090,7 +1091,7 @@ state_t states[NUMSTATES] =
 	{SPR_SIGN, 3, 1, {NULL}, 0, 0, S_SIGN49},        // S_SIGN48
 	{SPR_SIGN, 0, 1, {NULL}, 0, 0, S_SIGN50},        // S_SIGN49
 	{SPR_SIGN, 1, 1, {NULL}, 0, 0, S_SIGN51},        // S_SIGN50
-	{SPR_SIGN, 2, 1, {NULL}, 0, 0, S_SIGN53},        // S_SIGN51
+	{SPR_SIGN, 2, 1, {NULL}, 0, 0, S_SIGN1},         // S_SIGN51
 	{SPR_SIGN, 3, -1, {NULL}, 0, 0, S_NULL},         // S_SIGN52 Eggman
 	{SPR_SIGN, 7, -1, {A_SignPlayer}, 0, 0, S_NULL}, // S_SIGN53 Blank
 
@@ -5796,7 +5797,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 
 	{           // MT_SIGN
 		501,            // doomednum
-		S_SIGN52,       // spawnstate
+		S_INVISIBLE,    // spawnstate
 		1000,           // spawnhealth
 		S_PLAY_SIGN,    // seestate
 		sfx_lvpass,     // seesound
@@ -5817,7 +5818,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		16,             // mass
 		0,              // damage
 		sfx_None,       // activesound
-		MF_NOCLIP|MF_SCENERY, // flags
+		MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOGRAVITY, // flags
 		S_NULL          // raisestate
 	},
 
@@ -14402,6 +14403,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
+	{           // MT_RINGSPARKLE
+		-1,              // doomednum
+		S_SPRK1,         // spawnstate
+		1,               // spawnhealth
+		S_NULL,          // seestate
+		sfx_None,        // seesound
+		8,               // reactiontime
+		sfx_None,        // attacksound
+		S_NULL,          // painstate
+		0,               // painchance
+		sfx_None,        // painsound
+		S_NULL,          // meleestate
+		S_NULL,          // missilestate
+		S_NULL,          // deathstate
+		S_NULL,          // xdeathstate
+		sfx_None,        // deathsound
+		8,               // speed
+		14*FRACUNIT,     // radius
+		14*FRACUNIT,     // height
+		0,               // display offset
+		100,             // mass
+		0,               // damage
+		sfx_None,        // activesound
+		MF_NOBLOCKMAP|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOGRAVITY|MF_SCENERY, // flags
+		S_NULL           // raisestate
+	},
+
 	{           // MT_BOOSTFLAME
 		-1,						// doomednum
 		S_BOOSTFLAME,	        // spawnstate

src/info.h

@@ -4082,6 +4082,7 @@ typedef enum mobj_type
 	MT_BLUEDIAG,
 	MT_RANDOMITEM,
 	MT_RANDOMITEMPOP,
+	MT_RINGSPARKLE,
 
 	MT_BOOSTFLAME,
 	MT_BOOSTSMOKE,

src/p_mobj.c

@@ -1409,6 +1409,9 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
 				case MT_SINK:
 					gravityadd = FixedMul(gravityadd, 5*FRACUNIT); // Double gravity
 					break;
+				case MT_SIGN:
+					gravityadd /= 3;
+					break;
 				default:
 					break;
 			}
@@ -8282,6 +8285,26 @@ void P_MobjThinker(mobj_t *mobj)
 				}
 			}
 			break;
+		case MT_SIGN: // Kart's unique sign behavior
+			if (mobj->movecount)
+			{
+				if (mobj->z <= mobj->movefactor)
+				{
+					P_SetMobjState(mobj, S_SIGN53);
+					//mobj->flags |= MF_NOGRAVITY; // ?
+					mobj->flags &= ~MF_NOCLIPHEIGHT;
+					mobj->movecount = 0;
+				}
+				else
+				{
+					P_SpawnMobj(mobj->x + (P_RandomRange(-32,32)<<FRACBITS),
+						mobj->y + (P_RandomRange(-32,32)<<FRACBITS),
+						mobj->z + (24<<FRACBITS) + (P_RandomRange(-16,16)<<FRACBITS),
+						MT_RINGSPARKLE);
+					mobj->flags &= ~MF_NOGRAVITY;
+				}
+			}
+			break;
 		//}
 		case MT_TURRET:
 			P_MobjCheckWater(mobj);

src/p_spec.c

@@ -3227,6 +3227,11 @@ void P_SetupSignExit(player_t *player)
 		if (thing->info->seesound)
 			S_StartSound(thing, thing->info->seesound);
 
+		// SRB2Kart: Set sign spinning variables
+		thing->movefactor = thing->z;
+		thing->z += (512<<FRACBITS) * P_MobjFlip(thing);
+		thing->movecount = 1;
+
 		++numfound;
 	}
 
@@ -3252,8 +3257,29 @@ void P_SetupSignExit(player_t *player)
 		if (thing->info->seesound)
 			S_StartSound(thing, thing->info->seesound);
 
+		// SRB2Kart: Set sign spinning variables
+		thing->movefactor = thing->z;
+		thing->z += (512<<FRACBITS) * P_MobjFlip(thing);
+		thing->movecount = 1;
+
 		++numfound;
 	}
+
+	if (numfound)
+		return;
+
+	// SRB2Kart: FINALLY, add in an alternative if no place is found
+	if (player->mo)
+	{
+		mobj_t *sign = P_SpawnMobj(player->mo->x, player->mo->y, player->mo->z + (512<<FRACBITS), MT_SIGN);
+
+		P_SetTarget(&sign->target, player->mo);
+		P_SetMobjState(sign, S_SIGN1);
+		if (sign->info->seesound)
+			S_StartSound(sign, sign->info->seesound);
+		sign->movefactor = player->mo->z;
+		sign->movecount = 1;
+	}
 }
 
 //
@@ -4239,6 +4265,7 @@ DoneSection2:
 						S_StartSound(NULL, sfx_s253);
 
 					P_DoPlayerExit(player);
+					P_SetupSignExit(player);
 				}
 			}
 			break;