Finally managed to render that goddamn vent smoke.

modeldef.sparkster

@@ -117,6 +117,65 @@ Model "Sparkster"
 	FrameIndex XZWZ A 2 0
 }
 
+Model "Sparkster"
+{
+	Path "models/extra"
+
+	Model 3 "SparksterVent_d.3d"
+	AngleOffset -90
+	Scale -0.005 0.0025 0.005
+	DONTCULLBACKFACES
+
+	Skin 3 "VentSmoke0.png"
+	FrameIndex XZWY A 3 0
+	Skin 3 "VentSmoke1.png"
+	FrameIndex XZWY B 3 0
+	Skin 3 "VentSmoke2.png"
+	FrameIndex XZWY C 3 0
+	Skin 3 "VentSmoke3.png"
+	FrameIndex XZWY D 3 0
+	Skin 3 "VentSmoke4.png"
+	FrameIndex XZWY E 3 0
+	Skin 3 "VentSmoke5.png"
+	FrameIndex XZWY F 3 0
+	Skin 3 "VentSmoke6.png"
+	FrameIndex XZWY G 3 0
+	Skin 3 "VentSmoke7.png"
+	FrameIndex XZWY H 3 0
+	Skin 3 "VentSmoke8.png"
+	FrameIndex XZWY I 3 0
+	Skin 3 "VentSmoke9.png"
+	FrameIndex XZWY J 3 0
+	Skin 3 "VentSmoke10.png"
+	FrameIndex XZWY K 3 0
+	Skin 3 "VentSmoke11.png"
+	FrameIndex XZWY L 3 0
+	Skin 3 "VentSmoke12.png"
+	FrameIndex XZWY M 3 0
+	Skin 3 "VentSmoke13.png"
+	FrameIndex XZWY N 3 0
+	Skin 3 "VentSmoke14.png"
+	FrameIndex XZWY O 3 0
+	Skin 3 "VentSmoke15.png"
+	FrameIndex XZWY P 3 0
+	Skin 3 "VentSmoke16.png"
+	FrameIndex XZWY Q 3 0
+	Skin 3 "VentSmoke17.png"
+	FrameIndex XZWY R 3 0
+	Skin 3 "VentSmoke18.png"
+	FrameIndex XZWY S 3 0
+	Skin 3 "VentSmoke19.png"
+	FrameIndex XZWY T 3 0
+	Skin 3 "VentSmoke20.png"
+	FrameIndex XZWY U 3 0
+	Skin 3 "VentSmoke21.png"
+	FrameIndex XZWY V 3 0
+	Skin 3 "VentSmoke22.png"
+	FrameIndex XZWY W 3 0
+	Skin 3 "VentSmoke23.png"
+	FrameIndex XZWY X 3 0
+}
+
 Model "Sparkster"
 {
 	Path "models"

zscript/swwm_sparkyboi.zsc

@@ -673,13 +673,27 @@ Class Sparkster : SWWMWeapon
 		XZW2 A 12 A_StartSound("biospark/prefire",CHAN_WEAPON,CHANF_OVERLAP);
 		XZW2 A 1 A_FireSpark(0);
 		XZW2 NOPQ 2;
+		XZW2 A 0 A_JumpIf(!(player.cmd.buttons&BT_ATTACK)||(invoker.ClipCount<=0),"Vent");
 		Goto Ready;
 	AltFire:
 		XZW2 A 0 A_JumpIf(invoker.ClipCount<=0,"Reload");
 		XZW2 A 12 A_StartSound("biospark/prefire",CHAN_WEAPON,CHANF_OVERLAP);
 		XZW2 A 1 A_FireSpark(1);
 		XZW2 RSTU 2;
+		XZW2 A 0 A_JumpIf(!(player.cmd.buttons&BT_ALTATTACK)||(invoker.ClipCount<=0),"Vent");
 		Goto Ready;
+	Vent:
+		XZW2 A 12
+		{
+			A_Overlay(PSP_WEAPON+2,"VentFlash");
+			A_OverlayFlags(PSP_WEAPON+2,PSPF_RENDERSTYLE|PSPF_FORCESTYLE,true);
+			A_OverlayRenderStyle(PSP_WEAPON+2,STYLE_Add);
+			A_StartSound("biospark/hiss",CHAN_WEAPON,CHANF_OVERLAP);
+		}
+		Goto Ready;
+	VentFlash:
+		XZWY ABCDEFGHIJKLMNOPQRSTUVWX 1;
+		Stop;
 	Zoom:
 		XZW2 A 0 A_JumpIf(invoker.ClipCount<4,"Reload");
 		XZW2 A 12 A_StartSound("biospark/prethird",CHAN_WEAPON,CHANF_OVERLAP);
@@ -708,7 +722,7 @@ Class Sparkster : SWWMWeapon
 		XZW3 X 2 A_StartSound("biospark/meleeend",CHAN_WEAPON,CHANF_OVERLAP);
 		XZW3 YZ 2;
 		XZW4 ABCD 2;
-		Goto Ready;
+		Goto Vent;
 	User1:
 		XZW2 A 2
 		{