make fan particles not crash kart maps

idk should hopefully not break them in durr maps

src/deh_tables.c

@@ -279,6 +279,7 @@ actionpointer_t actionpointers[] =
 	{{A_MineRange},              "A_MINERANGE"},
 	{{A_ConnectToGround},        "A_CONNECTTOGROUND"},
 	{{A_SpawnParticleRelative},  "A_SPAWNPARTICLERELATIVE"},
+	{{A_ParticleSpawn},  "A_PARTICLESPAWN"},
 	{{A_MultiShotDist},          "A_MULTISHOTDIST"},
 	{{A_WhoCaresIfYourSonIsABee},"A_WHOCARESIFYOURSONISABEE"},
 	{{A_ParentTriesToSleep},     "A_PARENTTRIESTOSLEEP"},
@@ -2709,6 +2710,7 @@ const char *const STATE_LIST[] = { // array length left dynamic for sanity testi
 	"S_SEED",
 
 	"S_PARTICLE",
+	"S_PARTICLEGEN",
 
 	// Score Logos
 	"S_SCRA", // 100

src/info.c

@@ -3230,6 +3230,7 @@ state_t states[NUMSTATES] =
 
 	// Particle sprite
 	{SPR_PRTL, 0, 2*TICRATE, {NULL}, 0, 0, S_NULL}, // S_PARTICLE
+	{SPR_NULL,     0,         1, {A_ParticleSpawn}, 0, 0, S_PARTICLEGEN}, // S_PARTICLEGEN
 
 	{SPR_SCOR, 0, 32, {A_ScoreRise}, 0, 0, S_NULL}, // S_SCRA  - 100
 	{SPR_SCOR, 1, 32, {A_ScoreRise}, 0, 0, S_NULL}, // S_SCRB  - 200
@@ -18539,7 +18540,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 
 	{           // MT_PARTICLEGEN
 		757,            // doomednum
-		S_INVISIBLE,    // spawnstate
+		S_PARTICLEGEN,    // spawnstate
 		1000,           // spawnhealth
 		S_NULL,         // seestate
 		sfx_None,       // seesound
@@ -18560,7 +18561,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 		16,             // mass
 		0,              // damage
 		sfx_None,       // activesound
-		MF_NOBLOCKMAP|MF_NOSECTOR|MF_NOCLIP|MF_NOGRAVITY|MF_NOCLIPHEIGHT|MF_SCENERY, // flags
+		MF_NOBLOCKMAP|MF_NOSECTOR|MF_NOCLIP|MF_NOGRAVITY|MF_NOCLIPHEIGHT, // flags
 		S_NULL          // raisestate
 	},
 

src/info.h

@@ -233,6 +233,7 @@ enum actionnum
 	A_MINERANGE,
 	A_CONNECTTOGROUND,
 	A_SPAWNPARTICLERELATIVE,
+	A_PARTICLESPAWN,
 	A_MULTISHOTDIST,
 	A_WHOCARESIFYOURSONISABEE,
 	A_PARENTTRIESTOSLEEP,
@@ -503,6 +504,7 @@ void A_MineExplode();
 void A_MineRange();
 void A_ConnectToGround();
 void A_SpawnParticleRelative();
+void A_ParticleSpawn();
 void A_MultiShotDist();
 void A_WhoCaresIfYourSonIsABee();
 void A_ParentTriesToSleep();
@@ -3685,6 +3687,7 @@ typedef enum state
 	S_SEED,
 
 	S_PARTICLE,
+	S_PARTICLEGEN,
 
 	// Score Logos
 	S_SCRA, // 100

src/p_enemy.c

@@ -265,6 +265,7 @@ void A_MineExplode(mobj_t *actor);
 void A_MineRange(mobj_t *actor);
 void A_ConnectToGround(mobj_t *actor);
 void A_SpawnParticleRelative(mobj_t *actor);
+void A_ParticleSpawn(mobj_t *actor);
 void A_MultiShotDist(mobj_t *actor);
 void A_WhoCaresIfYourSonIsABee(mobj_t *actor);
 void A_ParentTriesToSleep(mobj_t *actor);
@@ -11150,7 +11151,6 @@ void A_SpawnParticleRelative(mobj_t *actor)
 	if (LUA_CallAction(A_SPAWNPARTICLERELATIVE, actor))
 		return;
 
-
 	CONS_Debug(DBG_GAMELOGIC, "A_SpawnParticleRelative called from object type %d, var1: %d, var2: %d\n", actor->type, locvar1, locvar2);
 
 	x = (INT16)(locvar1>>16);
@@ -11173,6 +11173,40 @@ void A_SpawnParticleRelative(mobj_t *actor)
 	P_SetMobjState(mo, state);
 }
 
+void A_ParticleSpawn(mobj_t *actor)
+{
+	INT32 locvar1 = var1;
+	fixed_t speed;
+	mobjtype_t type;
+	mobj_t *spawn;
+
+	if (udmf) // dont make this crap work in durr maps kek
+		return;
+
+	if (LUA_CallAction(A_PARTICLESPAWN, actor))
+		return;
+
+	if (!actor->spawnpoint)
+	{
+		P_RemoveMobj(actor);
+		return;
+	}
+
+	if (locvar1)
+		type = (mobjtype_t)locvar1;
+	else
+		type = MT_PARTICLE;
+
+	speed = FixedMul((actor->spawnpoint->angle >> 12)<<FRACBITS, actor->scale);
+
+	spawn = P_SpawnMobj(actor->x, actor->y, actor->z, type);
+	P_SetScale(spawn, actor->scale);
+	spawn->momz = speed;
+	spawn->destscale = FixedDiv(spawn->scale<<FRACBITS, 100<<FRACBITS);
+	spawn->scalespeed = FixedDiv(((actor->spawnpoint->angle >> 8) & 63) * actor->scale, 100<<FRACBITS);
+	actor->tics = actor->spawnpoint->extrainfo + 1;
+}
+
 // Function: A_MultiShotDist
 //
 // Description: Spawns multiple shots based on player proximity

src/p_mobj.c

@@ -5378,6 +5378,9 @@ static void P_VerticalFlameJetSceneryThink(mobj_t *mobj)
 
 static boolean P_ParticleGenSceneryThink(mobj_t *mobj)
 {
+	if (!udmf)
+		return false;
+	
 	if (!mobj->lastlook)
 		return false;
 
@@ -11789,6 +11792,9 @@ static boolean P_SetupParticleGen(mapthing_t *mthing, mobj_t *mobj)
 	INT32 line;
 	const size_t mthingi = (size_t)(mthing - mapthings);
 
+	if (!udmf)
+		return false;
+
 	// Find the corresponding linedef special, using args[6] as tag
 	line = mthing->args[6] ? Tag_FindLineSpecial(15, mthing->args[6]) : -1;