Lightning sparks when releasing purple/rainbow drifts

src/deh_tables.c

@@ -3529,6 +3529,7 @@ const char *const STATE_LIST[] = { // array length left dynamic for sanity testi
 
 	// Drift electricity
 	"S_DRIFTELECTRICITY",
+	"S_DRIFTELECTRICSPARK",
 
 	// Fast lines
 	"S_FASTLINE1",
@@ -5455,6 +5456,7 @@ const char *const MOBJTYPE_LIST[] = {  // array length left dynamic for sanity t
 	"MT_BRAKEDRIFT",
 	"MT_DRIFTDUST",
 	"MT_DRIFTELECTRICITY",
+	"MT_DRIFTELECTRICSPARK",
 
 	"MT_ROCKETSNEAKER", // Rocket sneakers
 

src/info.c

@@ -542,6 +542,7 @@ char sprnames[NUMSPRITES + 1][5] =
 	"BDRF", // Brake drift sparks
 	"DRWS", // Drift dust sparks
 	"DREL", // Drift electricity
+	"DRES", // Drift electric sparks
 
 	// Kart Items
 	"RSHE", // Rocket sneaker
@@ -4098,6 +4099,7 @@ state_t states[NUMSTATES] =
 	{SPR_DRWS, FF_FULLBRIGHT|FF_TRANS20|3,  3, {NULL}, 0, 0, S_NULL}, // S_DRIFTWARNSPARK4
 
 	{SPR_DREL, FF_FULLBRIGHT|FF_PAPERSPRITE|FF_ANIMATE|FF_GLOBALANIM, 2, {NULL}, 5, 2, S_NULL}, // S_DRIFTELECTRICITY
+	{SPR_DRES, FF_FULLBRIGHT|FF_PAPERSPRITE|FF_ANIMATE, 20, {NULL}, 1, 10, S_NULL}, // S_DRIFTELECTRICSPARK
 
 	{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
@@ -23503,6 +23505,33 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		S_NULL          // raisestate
 	},
 
+	{           // MT_DRIFTELECTRICSPARK
+		-1,             // doomednum
+		S_DRIFTELECTRICSPARK, // spawnstate
+		1000,           // spawnhealth
+		S_NULL,         // seestate
+		sfx_None,       // seesound
+		0,              // 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
+		4*FRACUNIT,     // speed
+		9*FRACUNIT,     // radius
+		37*FRACUNIT,    // height
+		0,              // display offset
+		0,              // mass
+		0,              // damage
+		sfx_None,       // activesound
+		MF_NOBLOCKMAP|MF_NOCLIPHEIGHT|MF_NOCLIP|MF_NOCLIPTHING|MF_NOGRAVITY|MF_SCENERY|MF_DONTENCOREMAP, // flags
+		S_NULL          // raisestate
+	},
+
 	{           // MT_ROCKETSNEAKER
 		-1,             // doomednum
 		S_ROCKETSNEAKER_L, // spawnstate

src/info.h

@@ -1094,6 +1094,7 @@ typedef enum sprite
 	SPR_BDRF, // Brake drift sparks
 	SPR_DRWS, // Drift dust sparks
 	SPR_DREL, // Drift electricity
+	SPR_DRES, // Drift electric sparks
 
 	// Kart Items
 	SPR_RSHE, // Rocket sneaker
@@ -4503,6 +4504,7 @@ typedef enum state
 
 	// Drift electricity
 	S_DRIFTELECTRICITY,
+	S_DRIFTELECTRICSPARK,
 
 	// Fast lines
 	S_FASTLINE1,
@@ -6467,6 +6469,7 @@ typedef enum mobj_type
 	MT_BRAKEDRIFT,
 	MT_DRIFTDUST,
 	MT_DRIFTELECTRICITY,
+	MT_DRIFTELECTRICSPARK,
 
 	MT_ROCKETSNEAKER,
 

src/k_kart.c

@@ -3620,6 +3620,7 @@ UINT16 K_DriftSparkColor(player_t *player, INT32 charge)
 static void K_SpawnDriftElectricity(player_t *player)
 {
 	UINT8 i;
+	UINT16 color = K_DriftSparkColor(player, player->kartstuff[k_driftcharge]);
 	mobj_t *mo = player->mo;
 	fixed_t verticalradius = FixedDiv(mo->radius/3, mo->scale); // P_SpawnMobjFromMobj will rescale
 	fixed_t horizontalradius = FixedDiv(5*mo->radius/3, mo->scale);
@@ -3650,7 +3651,7 @@ static void K_SpawnDriftElectricity(player_t *player)
 			+ P_ReturnThrustY(mo, horizonatalangle, horizontalradius);
 		spark = P_SpawnMobjFromMobj(mo, x, y, 0, MT_DRIFTELECTRICITY);
 		spark->angle = sparkangle;
-		spark->color = K_DriftSparkColor(player, player->kartstuff[k_driftcharge]);
+		spark->color = color;
 		K_GenericExtraFlagsNoZAdjust(spark, mo);
 
 		spark->spritexscale += scalefactor/3;
@@ -3658,6 +3659,49 @@ static void K_SpawnDriftElectricity(player_t *player)
 	}
 }
 
+static void K_SpawnDriftElectricSparks(player_t *player)
+{
+	SINT8 hdir, vdir, i;
+
+	mobj_t *mo = player->mo;
+	angle_t momangle = K_MomentumAngle(mo) + ANGLE_180;
+	fixed_t radius = 2 * FixedDiv(mo->radius, mo->scale); // P_SpawnMobjFromMobj will rescale
+	fixed_t x = P_ReturnThrustX(mo, momangle, radius);
+	fixed_t y = P_ReturnThrustY(mo, momangle, radius);
+	fixed_t z = FixedDiv(mo->height, 2 * mo->scale); // P_SpawnMobjFromMobj will rescale
+
+	fixed_t sparkspeed = mobjinfo[MT_DRIFTELECTRICSPARK].speed;
+	fixed_t sparkradius = 2 * mobjinfo[MT_DRIFTELECTRICSPARK].radius;
+	UINT16 color = K_DriftSparkColor(player, player->kartstuff[k_driftcharge]);
+
+	for (hdir = -1; hdir <= 1; hdir += 2)
+	{
+		for (vdir = -1; vdir <= 1; vdir += 2)
+		{
+			fixed_t hspeed = FixedMul(hdir * sparkspeed, mo->scale); // P_InstaThrust treats speed as absolute
+			fixed_t vspeed = vdir * sparkspeed; // P_SetObjectMomZ scales speed with object scale
+			angle_t sparkangle = mo->angle + ANGLE_45;
+
+			for (i = 0; i < 4; i++)
+			{
+				fixed_t xoff = P_ReturnThrustX(mo, sparkangle, sparkradius);
+				fixed_t yoff = P_ReturnThrustY(mo, sparkangle, sparkradius);
+				mobj_t *spark = P_SpawnMobjFromMobj(mo, x + xoff, y + yoff, z, MT_DRIFTELECTRICSPARK);
+
+				spark->angle = sparkangle;
+				spark->color = color;
+				P_InstaThrust(spark, mo->angle + ANGLE_90, hspeed);
+				P_SetObjectMomZ(spark, vspeed, false);
+				spark->momx += mo->momx; // copy player speed
+				spark->momy += mo->momy;
+
+				sparkangle += ANGLE_90;
+			}
+		}
+	}
+	S_StartSound(mo, sfx_s3k45);
+}
+
 static void K_SpawnDriftSparks(player_t *player)
 {
 	const INT32 dsone = K_GetKartDriftSparkValueForStage(player, 1);
@@ -7436,6 +7480,7 @@ static void K_KartDrift(player_t *player, boolean onground)
 					player->kartstuff[k_driftboost] = 90;
 
 				K_SpawnDriftBoostExplosion(player, 3);
+				K_SpawnDriftElectricSparks(player);
 			}
 			else if (player->kartstuff[k_driftcharge] >= dsfour)
 			{
@@ -7447,6 +7492,7 @@ static void K_KartDrift(player_t *player, boolean onground)
 					player->kartstuff[k_driftboost] = 160;
 
 				K_SpawnDriftBoostExplosion(player, 4);
+				K_SpawnDriftElectricSparks(player);
 			}
 		}
 

src/p_mobj.c

@@ -5876,6 +5876,7 @@ static void P_MobjSceneryThink(mobj_t *mobj)
 			mobj->renderflags ^= RF_DONTDRAW;
 		break;
 	case MT_SPINDASHWIND:
+	case MT_DRIFTELECTRICSPARK:
 		mobj->renderflags ^= RF_DONTDRAW;
 		break;
 	case MT_VWREF: