Speed lines

src/dehacked.c

@@ -6247,6 +6247,16 @@ static const char *const STATE_LIST[] = { // array length left dynamic for sanit
 	"S_DRIFTDUST3",
 	"S_DRIFTDUST4",
 
+	// Fast lines
+	"S_FASTLINE1",
+	"S_FASTLINE2",
+	"S_FASTLINE3",
+	"S_FASTLINE4",
+	"S_FASTLINE5",
+	"S_FASTLINE6",
+	"S_FASTLINE7",
+	"S_FASTLINE8",
+
 	// Thunder Shield Burst
 
 	// Sneaker boost effect
@@ -7219,6 +7229,7 @@ static const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for s
 	"MT_RANDOMITEM",
 	"MT_RANDOMITEMPOP",
 
+	"MT_FASTLINE",
 	"MT_BOOSTFLAME",
 	"MT_BOOSTSMOKE",
 	"MT_SNEAKERTRAIL",

src/info.c

@@ -55,12 +55,12 @@ char sprnames[NUMSPRITES + 1][5] =
 	"GWLR","SRBA","SRBB","SRBC","SRBD","SRBE","SRBF","SRBG","SRBH","SRBI",
 	"SRBJ","SRBK","SRBL","SRBM","SRBN","SRBO",
 	//SRB2kart Sprites
-	"SPRG","BSPR","RNDM","RPOP","BOST","BOSM","KFRE","KINV","KINF","WIPD",
+	"SPRG","BSPR","RNDM","RPOP","FAST","BOST","BOSM","KFRE","KINV","KINF",
-	"DRIF","DUST","FITM","BANA","ORBN","JAWZ","SSMN","KRBM","BHOG","BHBM",
+	"WIPD","DRIF","DUST","FITM","BANA","ORBN","JAWZ","SSMN","KRBM","BHOG",
-	"BLIG","LIGH","THNS","SINK","SITR","KBLN","DEZL","POKE","AUDI","DECO",
+	"BHBM","BLIG","LIGH","THNS","SINK","SITR","KBLN","DEZL","POKE","AUDI",
-	"DOOD","SNES","GBAS","SPRS","BUZB","CHOM","SACO","CRAB","SHAD","BRNG",
+	"DECO","DOOD","SNES","GBAS","SPRS","BUZB","CHOM","SACO","CRAB","SHAD",
-	"BUMP","FLEN","CLAS","PSHW","ISTA","ISTB","ARRO","ITEM","ITMO","ITMI",
+	"BRNG","BUMP","FLEN","CLAS","PSHW","ISTA","ISTB","ARRO","ITEM","ITMO",
-	"ITMN","WANT","PBOM","RETI","VIEW"
+	"ITMI","ITMN","WANT","PBOM","RETI","VIEW"
 };
 
 // Doesn't work with g++, needs actionf_p1 (don't modify this comment)
@@ -2580,6 +2580,15 @@ state_t states[NUMSTATES] =
 	{SPR_DUST, FF_TRANS20|2,  3, {NULL}, 0, 0, S_DRIFTDUST4}, // S_DRIFTDUST3
 	{SPR_DUST, FF_TRANS20|3,  3, {NULL}, 0, 0, S_NULL}, // S_DRIFTDUST4
 
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT,   1, {NULL}, 0, 0, S_FASTLINE2}, // S_FASTLINE1
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|1, 1, {NULL}, 0, 0, S_FASTLINE3}, // S_FASTLINE2
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|2, 1, {NULL}, 0, 0, S_FASTLINE4}, // S_FASTLINE3
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|3, 1, {NULL}, 0, 0, S_FASTLINE5}, // S_FASTLINE4
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|4, 1, {NULL}, 0, 0, S_FASTLINE6}, // S_FASTLINE5
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|5, 1, {NULL}, 0, 0, S_FASTLINE7}, // S_FASTLINE6
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|6, 1, {NULL}, 0, 0, S_FASTLINE8}, // S_FASTLINE7
+	{SPR_FAST, FF_PAPERSPRITE|FF_FULLBRIGHT|7, 1, {NULL}, 0, 0, S_NULL}, // S_FASTLINE8
+
 	{SPR_BOST, FF_FULLBRIGHT|FF_ANIMATE, TICRATE, {NULL}, 6, 1, S_BOOSTSMOKESPAWNER}, // S_BOOSTFLAME
 	{SPR_NULL, 0,                      TICRATE/2, {NULL}, 0, 0, S_NULL}, // S_BOOSTSMOKESPAWNER
 
@@ -14402,6 +14411,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
+	{           // MT_FASTLINE
+		-1,						// doomednum
+		S_FASTLINE1,            // spawnstate
+		1000,					// 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, // flags
+		S_NULL					// raisestate
+	},
+
 	{           // MT_BOOSTFLAME
 		-1,						// doomednum
 		S_BOOSTFLAME,	        // spawnstate

src/info.h

@@ -582,6 +582,7 @@ typedef enum sprite
 
 	SPR_RNDM, // Random Item Box
 	SPR_RPOP, // Random Item Box Pop
+	SPR_FAST, // Speed boost trail
 	SPR_BOST, // Sneaker booster flame
 	SPR_BOSM, // Sneaker booster smoke
 	SPR_KFRE, // Sneaker fire trail
@@ -3094,6 +3095,16 @@ typedef enum state
 	S_DRIFTDUST3,
 	S_DRIFTDUST4,
 
+	// Fast lines
+	S_FASTLINE1,
+	S_FASTLINE2,
+	S_FASTLINE3,
+	S_FASTLINE4,
+	S_FASTLINE5,
+	S_FASTLINE6,
+	S_FASTLINE7,
+	S_FASTLINE8,
+
 	// Magnet Burst
 
 	// Sneaker boost effect
@@ -4083,6 +4094,7 @@ typedef enum mobj_type
 	MT_RANDOMITEM,
 	MT_RANDOMITEMPOP,
 
+	MT_FASTLINE,
 	MT_BOOSTFLAME,
 	MT_BOOSTSMOKE,
 	MT_SNEAKERTRAIL,

src/k_kart.c

@@ -3309,6 +3309,19 @@ void K_KartPlayerThink(player_t *player, ticcmd_t *cmd)
 	K_UpdateOffroad(player);
 	K_GetKartBoostPower(player);
 
+	// Speed lines
+	if (player->kartstuff[k_speedboost] > FRACUNIT/8 && (leveltime & 1))
+	{
+		mobj_t *fast = P_SpawnMobj(player->mo->x + (P_RandomRange(-32,32)<<FRACBITS),
+			player->mo->y + (P_RandomRange(-32,32)<<FRACBITS),
+			player->mo->z + (player->mo->height/2) + (P_RandomRange(-24,24)<<FRACBITS),
+			MT_FASTLINE);
+		fast->angle = R_PointToAngle2(0, 0, player->mo->momx, player->mo->momy);
+		fast->momx = player->mo->momx/2;
+		fast->momy = player->mo->momy/2;
+		fast->momz = player->mo->momz/2;
+	}
+
 	if (player->kartstuff[k_eggmanexplode]) // You're gonna diiiiie
 	{
 		const INT32 flashtime = 4<<(player->kartstuff[k_eggmanexplode]/TICRATE);