- block direct use of 'new' for DObjects.

This is to ensure that the Class pointer can be set right on creation. ZDoom had always depended on handling this lazily which poses some problems for the VM. So now there is a variadic Create<classtype> function taking care of that, but to ensure that it gets used, direct access to the new operator has been blocked. This also neccessitated making DArgs a regular object because they get created before the type system is up. Since the few uses of DArgs are easily controllable this wasn't a big issue. - did a bit of optimization on the bots' decision making whether to pick up a health item or not.
2024-11-10 14:51:46 +00:00 · 2017-04-14 13:31:58 +02:00 · 2017-04-14 13:31:58 +02:00 · cd180d29c7
commit cd180d29c7
parent 929affa3cb
68 changed files with 384 additions and 341 deletions
--- a/src/actor.h
+++ b/src/actor.h
@ -613,7 +613,7 @@ public:

 	FActorInfo *GetInfo() const
 	{
-		return ((PClassActor*)GetClass())->ActorInfo();
+		return static_cast<PClassActor*>(GetClass())->ActorInfo();
 	}


--- a/src/b_game.cpp
+++ b/src/b_game.cpp
@ -375,7 +375,7 @@ bool FCajunMaster::DoAddBot (uint8_t *info, botskill_t skill)
 	D_ReadUserInfoStrings (bnum, &info, false);

 	multiplayer = true; //Prevents cheating and so on; emulates real netgame (almost).
-	players[bnum].Bot = new DBot;
+	players[bnum].Bot = Create<DBot>();
 	players[bnum].Bot->player = &players[bnum];
 	players[bnum].Bot->skill = skill;
 	playeringame[bnum] = true;
--- a/src/b_think.cpp
+++ b/src/b_think.cpp
@ -313,12 +313,13 @@ void DBot::ThinkForMove (ticcmd_t *cmd)
 	old = player->mo->Pos();
 }

+int P_GetRealMaxHealth(APlayerPawn *actor, int max);
+
 //BOT_WhatToGet
 //
 //Determines if the bot will roam after an item or not.
 void DBot::WhatToGet (AActor *item)
 {
-#define typeis(x) item->IsKindOf (PClass::FindClass (#x))
 	if ((item->renderflags & RF_INVISIBLE) //Under respawn and away.
 		|| item == prev)
 	{
@ -350,17 +351,24 @@ void DBot::WhatToGet (AActor *item)
 	{
 		auto ac = PClass::FindActor(NAME_Ammo);
 		auto parent = item->GetClass();
-		while (parent->ParentClass != ac) parent = (PClassActor*)(parent->ParentClass);
+		while (parent->ParentClass != ac) parent = static_cast<PClassActor*>(parent->ParentClass);
 		AInventory *holdingammo = player->mo->FindInventory(parent);
 		if (holdingammo != NULL && holdingammo->Amount >= holdingammo->MaxAmount)
 		{
 			return;
 		}
 	}
-	else if ((typeis (Megasphere) || typeis (Soulsphere) || typeis (HealthBonus)) && player->mo->health >= deh.MaxSoulsphere)
-		return;
-	else if (item->IsKindOf (PClass::FindActor(NAME_Health)) && player->mo->health >= player->mo->GetMaxHealth(true))
-		return;
+	else if (item->GetClass()->TypeName == NAME_Megasphere || item->IsKindOf(NAME_Health))
+	{
+		// do the test with the health item that's actually given.
+		if (item->GetClass()->TypeName == NAME_Megasphere) item = GetDefaultByName("MegasphereHealth");
+		if (item != nullptr)
+		{
+			int maxhealth = P_GetRealMaxHealth(player->mo, item->IntVar(NAME_MaxAmount));
+			if (player->mo->health >= maxhealth)
+				return;
+		}
+	}

 	if ((dest == NULL ||
 		!(dest->flags & MF_SPECIAL)/* ||
--- a/src/c_console.cpp
+++ b/src/c_console.cpp
@ -1822,7 +1822,7 @@ void C_MidPrint (FFont *font, const char *msg)
 		AddToConsole (-1, msg);
 		AddToConsole (-1, bar3);

-		StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
+		StatusBar->AttachMessage (Create<DHUDMessage>(font, msg, 1.5f, 0.375f, 0, 0,
 			(EColorRange)PrintColors[PRINTLEVELS], con_midtime), MAKE_ID('C','N','T','R'));
 	}
 	else
@ -1839,7 +1839,7 @@ void C_MidPrintBold (FFont *font, const char *msg)
 		AddToConsole (-1, msg);
 		AddToConsole (-1, bar3);

-		StatusBar->AttachMessage (new DHUDMessage (font, msg, 1.5f, 0.375f, 0, 0,
+		StatusBar->AttachMessage (Create<DHUDMessage> (font, msg, 1.5f, 0.375f, 0, 0,
 			(EColorRange)PrintColors[PRINTLEVELS+1], con_midtime), MAKE_ID('C','N','T','R'));
 	}
 	else
--- a/src/c_dispatch.cpp
+++ b/src/c_dispatch.cpp
@ -636,7 +636,7 @@ void C_DoCommand (const char *cmd, int keynum)
 			}
 			else
 			{
-				new DStoredCommand (com, beg);
+				Create<DStoredCommand> (com, beg);
 			}
 		}
 	}
@ -730,7 +730,7 @@ void AddCommandString (char *cmd, int keynum)
 						  // Note that deferred commands lose track of which key
 						  // (if any) they were pressed from.
 							*brkpt = ';';
-							new DWaitingCommand (brkpt, tics);
+							Create<DWaitingCommand> (brkpt, tics);
 						}
 						return;
 					}
--- a/src/d_main.cpp
+++ b/src/d_main.cpp
@ -1770,7 +1770,7 @@ bool ConsiderPatches (const char *arg)
 //
 //==========================================================================

-FExecList *D_MultiExec (DArgs *list, FExecList *exec)
+FExecList *D_MultiExec (FArgs *list, FExecList *exec)
 {
 	for (int i = 0; i < list->NumArgs(); ++i)
 	{
@ -1980,7 +1980,8 @@ static void SetMapxxFlag()

 static void FinalGC()
 {
-	Args = NULL;
+	delete Args;
+	Args = nullptr;
 	GC::FinalGC = true;
 	GC::FullGC();
 	GC::DelSoftRootHead();	// the soft root head will not be collected by a GC so we have to do it explicitly
@ -2264,7 +2265,6 @@ void D_DoomMain (void)
 	int p;
 	const char *v;
 	const char *wad;
-	DArgs *execFiles;
 	TArray<FString> pwads;
 	FString *args;
 	int argcount;	
@ -2372,13 +2372,15 @@ void D_DoomMain (void)

 		// Process automatically executed files
 		FExecList *exec;
-		execFiles = new DArgs;
+		FArgs *execFiles = new FArgs;
 		GameConfig->AddAutoexec(execFiles, gameinfo.ConfigName);
 		exec = D_MultiExec(execFiles, NULL);
+		delete execFiles;

 		// Process .cfg files at the start of the command line.
 		execFiles = Args->GatherFiles ("-exec");
 		exec = D_MultiExec(execFiles, exec);
+		delete execFiles;

 		// [RH] process all + commands on the command line
 		exec = C_ParseCmdLineParams(exec);
@ -2747,10 +2749,7 @@ void D_DoomMain (void)

 		GC::FullGC();					// perform one final garbage collection after shutdown

-		for (DObject *obj = GC::Root; obj; obj = obj->ObjNext)
-		{
-			obj->ClearClass();	// Delete the Class pointer because the data it points to has been deleted. This will automatically be reset if needed.
-		}
+		assert(GC::Root == nullptr);

 		restart++;
 		PClass::bShutdown = false;
--- a/src/decallib.cpp
+++ b/src/decallib.cpp
@ -1201,7 +1201,7 @@ void DDecalFader::Tick ()

 DThinker *FDecalFaderAnim::CreateThinker (DBaseDecal *actor, side_t *wall) const
 {
-	DDecalFader *fader = new DDecalFader (actor);
+	DDecalFader *fader = Create<DDecalFader> (actor);

 	fader->TimeToStartDecay = level.maptime + DecayStart;
 	fader->TimeToEndDecay = fader->TimeToStartDecay + DecayTime;
@ -1227,7 +1227,7 @@ void DDecalStretcher::Serialize(FSerializer &arc)

 DThinker *FDecalStretcherAnim::CreateThinker (DBaseDecal *actor, side_t *wall) const
 {
-	DDecalStretcher *thinker = new DDecalStretcher (actor);
+	DDecalStretcher *thinker = Create<DDecalStretcher> (actor);

 	thinker->TimeToStart = level.maptime + StretchStart;
 	thinker->TimeToStop = thinker->TimeToStart + StretchTime;
@ -1313,7 +1313,7 @@ void DDecalSlider::Serialize(FSerializer &arc)

 DThinker *FDecalSliderAnim::CreateThinker (DBaseDecal *actor, side_t *wall) const
 {
-	DDecalSlider *thinker = new DDecalSlider (actor);
+	DDecalSlider *thinker = Create<DDecalSlider> (actor);

 	thinker->TimeToStart = level.maptime + SlideStart;
 	thinker->TimeToStop = thinker->TimeToStart + SlideTime;
@ -1432,7 +1432,7 @@ void DDecalColorer::Tick ()

 DThinker *FDecalColorerAnim::CreateThinker (DBaseDecal *actor, side_t *wall) const
 {
-	DDecalColorer *Colorer = new DDecalColorer (actor);
+	DDecalColorer *Colorer = Create<DDecalColorer>(actor);

 	Colorer->TimeToStartDecay = level.maptime + DecayStart;
 	Colorer->TimeToEndDecay = Colorer->TimeToStartDecay + DecayTime;
--- a/src/dobject.h
+++ b/src/dobject.h
@ -35,6 +35,7 @@
 #define __DOBJECT_H__

 #include <stdlib.h>
+#include <type_traits>
 #include "doomtype.h"
 #include "i_system.h"

@ -45,8 +46,6 @@ class FSoundID;

 class   DObject;
 /*
-class           DArgs;
-class           DCanvas;
 class           DConsoleCommand;
 class                   DConsoleAlias;
 class           DSeqNode;
@ -231,11 +230,6 @@ public:
 	void SerializeUserVars(FSerializer &arc);
 	virtual void Serialize(FSerializer &arc);

-	void ClearClass()
-	{
-		Class = NULL;
-	}
-
 	// Releases the object from the GC, letting the caller care of any maintenance.
 	void Release();

@ -264,12 +258,7 @@ public:

 	PClass *GetClass() const
 	{
-		if (Class == NULL)
-		{
-			// Save a little time the next time somebody wants this object's type
-			// by recording it now.
-			const_cast<DObject *>(this)->Class = StaticType();
-		}
+		assert(Class != nullptr);
 		return Class;
 	}

@ -278,10 +267,21 @@ public:
 		Class = inClass;
 	}

-	void *operator new(size_t len)
+private:
+	struct nonew
+	{
+	};
+
+	void *operator new(size_t len, nonew&)
 	{
 		return M_Malloc(len);
 	}
+public:
+
+	void operator delete (void *mem, nonew&)
+	{
+		M_Free(mem);
+	}

 	void operator delete (void *mem)
 	{
@ -354,8 +354,23 @@ protected:
 	{
 		M_Free (mem);
 	}
+
+	template<typename T, typename... Args>
+		friend T* Create(Args&&... args);
+
 };

+template<typename T, typename... Args>
+T* Create(Args&&... args)
+{
+	DObject::nonew nono;
+	T *object = new(nono) T(std::forward<Args>(args)...);
+	object->SetClass(RUNTIME_CLASS(T));
+	assert(object->GetClass() != nullptr);	// beware of object that get created before the type system is up.
+	return object;
+}
+
+
 class AInventory;//

 // When you write to a pointer to an Object, you must call this for
--- a/src/dobjgc.cpp
+++ b/src/dobjgc.cpp
@ -323,7 +323,6 @@ static void MarkRoot()
 	int i;

 	Gray = NULL;
-	Mark(Args);
 	Mark(StatusBar);
 	M_MarkMenus();
 	Mark(DIntermissionController::CurrentIntermission);
@ -351,7 +350,7 @@ static void MarkRoot()
 	// Mark sectors.
 	if (SectorMarker == nullptr && level.sectors.Size() > 0)
 	{
-		SectorMarker = new DSectorMarker;
+		SectorMarker = Create<DSectorMarker>();
 	}
 	else if (level.sectors.Size() == 0)
 	{
@ -592,7 +591,7 @@ void AddSoftRoot(DObject *obj)
 		// Create a new object to root the soft roots off of, and stick
 		// it at the end of the object list, so we know that anything
 		// before it is not a soft root.
-		SoftRoots = new DObject;
+		SoftRoots = Create<DObject>();
 		SoftRoots->ObjectFlags |= OF_Fixed;
 		probe = &Root;
 		while (*probe != NULL)
--- a/src/dobjtype.cpp
+++ b/src/dobjtype.cpp
@ -226,7 +226,7 @@ void PClass::StaticInit ()

 	// WP_NOCHANGE must point to a valid object, although it does not need to be a weapon.
 	// A simple DObject is enough to give the GC the ability to deal with it, if subjected to it.
-	WP_NOCHANGE = (AWeapon*)new DObject;
+	WP_NOCHANGE = (AWeapon*)Create<DObject>();
 	WP_NOCHANGE->Release();
 }

--- a/src/dthinker.cpp
+++ b/src/dthinker.cpp
@ -69,7 +69,7 @@ void FThinkerList::AddTail(DThinker *thinker)
 	assert(!(thinker->ObjectFlags & OF_EuthanizeMe));
 	if (Sentinel == NULL)
 	{
-		Sentinel = new DThinker(DThinker::NO_LINK);
+		Sentinel = Create<DThinker>(DThinker::NO_LINK);
 		Sentinel->ObjectFlags |= OF_Sentinel;
 		Sentinel->NextThinker = Sentinel;
 		Sentinel->PrevThinker = Sentinel;
@ -727,7 +727,7 @@ DEFINE_ACTION_FUNCTION(DThinkerIterator, Create)
 	PARAM_PROLOGUE;
 	PARAM_CLASS_DEF(type, DThinker);
 	PARAM_INT_DEF(statnum);
-	ACTION_RETURN_OBJECT(new DThinkerIterator(type, statnum));
+	ACTION_RETURN_OBJECT(Create<DThinkerIterator>(type, statnum));
 }

 DEFINE_ACTION_FUNCTION(DThinkerIterator, Next)
--- a/src/dthinker.h
+++ b/src/dthinker.h
@ -91,9 +91,10 @@ public:
 	static DThinker *FirstThinker (int statnum);
 	static bool bSerialOverride;

-private:
+	// only used internally but Create needs access.
 	enum no_link_type { NO_LINK };
 	DThinker(no_link_type) throw();
+private:
 	static void DestroyThinkersInList (FThinkerList &list);
 	static int TickThinkers (FThinkerList *list, FThinkerList *dest);	// Returns: # of thinkers ticked
 	static void SaveList(FSerializer &arc, DThinker *node);
--- a/src/fragglescript/t_func.cpp
+++ b/src/fragglescript/t_func.cpp
@ -1873,7 +1873,7 @@ void FParser::SF_FadeLight(void)
 		FSectorTagIterator it(sectag);
 		while ((i = it.Next()) >= 0)
 		{
-			if (!level.sectors[i].lightingdata) new DLightLevel(&level.sectors[i],destlevel,speed);
+			if (!level.sectors[i].lightingdata) Create<DLightLevel>(&level.sectors[i],destlevel,speed);
 		}
 	}
 }
@ -4036,7 +4036,7 @@ DRunningScript *FParser::SaveCurrentScript()
 	DFraggleThinker *th = DFraggleThinker::ActiveThinker;
 	if (th)
 	{
-		DRunningScript *runscr = new DRunningScript(Script->trigger, Script, Script->MakeIndex(Rover));
+		DRunningScript *runscr = Create<DRunningScript>(Script->trigger, Script, Script->MakeIndex(Rover));

 		// hook into chain at start
 		th->AddRunningScript(runscr);
@ -4170,7 +4170,7 @@ void FParser::SF_StartScript()
 			script_error("script %i not defined\n", snum);
 		}
 		
-		DRunningScript *runscr = new DRunningScript(Script->trigger, script, 0);
+		DRunningScript *runscr = Create<DRunningScript>(Script->trigger, script, 0);
 		// hook into chain at start
 		th->AddRunningScript(runscr);
 	}
--- a/src/fragglescript/t_load.cpp
+++ b/src/fragglescript/t_load.cpp
@ -315,7 +315,7 @@ bool FScriptLoader::ParseInfo(MapData * map)
    }
 	if (HasScripts) 
 	{
-		new DFraggleThinker;
+		Create<DFraggleThinker>();
 		DFraggleThinker::ActiveThinker->LevelScript->data = copystring(scriptsrc.GetChars());

 		if (drownflag==-1) drownflag = (level.maptype != MAPTYPE_DOOM || fsglobal);
--- a/src/fragglescript/t_prepro.cpp
+++ b/src/fragglescript/t_prepro.cpp
@ -156,7 +156,7 @@ void DFsScript::ClearSections()
 DFsSection *DFsScript::NewSection(const char *brace)
 {
 	int n = section_hash(brace);
-	DFsSection *newsec = new DFsSection;
+	DFsSection *newsec = Create<DFsSection>();
 	
 	newsec->start_index = MakeIndex(brace);
 	newsec->next = sections[n];
--- a/src/fragglescript/t_script.cpp
+++ b/src/fragglescript/t_script.cpp
@ -406,8 +406,8 @@ DFraggleThinker::DFraggleThinker()
 	else
 	{
 		ActiveThinker = this;
-		RunningScripts = new DRunningScript;
-		LevelScript = new DFsScript;
+		RunningScripts = Create<DRunningScript>();
+		LevelScript = Create<DFsScript>();
 		LevelScript->parent = global_script;
 		GC::WriteBarrier(this, RunningScripts);
 		GC::WriteBarrier(this, LevelScript);
@ -669,7 +669,7 @@ bool T_RunScript(int snum, AActor * t_trigger)
 		DFsScript *script = th->LevelScript->children[snum];
 		if(!script)	return false;
 	
-		DRunningScript *runscr = new DRunningScript(t_trigger, script, 0);
+		DRunningScript *runscr = Create<DRunningScript>(t_trigger, script, 0);
 		// hook into chain at start
 		th->AddRunningScript(runscr);
 		return true;
@ -699,7 +699,7 @@ void T_Init()

 	if (global_script == NULL)
 	{
-		global_script = new DFsScript;
+		global_script = Create<DFsScript>();
 		GC::AddSoftRoot(global_script);
 		init_functions();
 	}
--- a/src/fragglescript/t_spec.cpp
+++ b/src/fragglescript/t_spec.cpp
@ -417,7 +417,7 @@ void FParser::spec_script()
 		return;
    }
 	
-	newscript = new DFsScript;
+	newscript = Create<DFsScript>();
 	
 	// add to scripts list of parent
 	Script->children[scriptnum] = newscript;
--- a/src/fragglescript/t_variable.cpp
+++ b/src/fragglescript/t_variable.cpp
@ -334,7 +334,7 @@ void DFsVariable::Serialize(FSerializer & ar)

 DFsVariable *DFsScript::NewVariable(const char *name, int vtype)
 {
-	DFsVariable *newvar = new DFsVariable(name);
+	DFsVariable *newvar = Create<DFsVariable>(name);
 	newvar->type = vtype;
 	
 	int n = variable_hash(name);
--- a/src/g_game.cpp
+++ b/src/g_game.cpp
@ -343,7 +343,7 @@ CCMD (weapnext)
 	// [BC] Option to display the name of the weapon being cycled to.
 	if ((displaynametags & 2) && StatusBar && SmallFont && SendItemUse)
 	{
-		StatusBar->AttachMessage(new DHUDMessageFadeOut(SmallFont, SendItemUse->GetTag(),
+		StatusBar->AttachMessage(Create<DHUDMessageFadeOut>(SmallFont, SendItemUse->GetTag(),
 			1.5f, 0.90f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID( 'W', 'E', 'P', 'N' ));
 	}
 	if (SendItemUse != players[consoleplayer].ReadyWeapon)
@ -358,7 +358,7 @@ CCMD (weapprev)
 	// [BC] Option to display the name of the weapon being cycled to.
 	if ((displaynametags & 2) && StatusBar && SmallFont && SendItemUse)
 	{
-		StatusBar->AttachMessage(new DHUDMessageFadeOut(SmallFont, SendItemUse->GetTag(),
+		StatusBar->AttachMessage(Create<DHUDMessageFadeOut>(SmallFont, SendItemUse->GetTag(),
 			1.5f, 0.90f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID( 'W', 'E', 'P', 'N' ));
 	}
 	if (SendItemUse != players[consoleplayer].ReadyWeapon)
@ -394,7 +394,7 @@ CCMD (invnext)
 			}
 		}
 		if ((displaynametags & 1) && StatusBar && SmallFont && who->InvSel)
-			StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, who->InvSel->GetTag(), 
+			StatusBar->AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, who->InvSel->GetTag(),
 			1.5f, 0.80f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID('S','I','N','V'));
 	}
 	who->player->inventorytics = 5*TICRATE;
@ -429,7 +429,7 @@ CCMD (invprev)
 			who->InvSel = item;
 		}
 		if ((displaynametags & 1) && StatusBar && SmallFont && who->InvSel)
-			StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, who->InvSel->GetTag(), 
+			StatusBar->AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, who->InvSel->GetTag(),
 			1.5f, 0.80f, 0, 0, (EColorRange)*nametagcolor, 2.f, 0.35f), MAKE_ID('S','I','N','V'));
 	}
 	who->player->inventorytics = 5*TICRATE;
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@ -1059,7 +1059,7 @@ void G_DoLoadLevel (int position, bool autosave)
 	// [RH] Always save the game when entering a new level.
 	if (autosave && !savegamerestore && disableautosave < 1)
 	{
-		DAutosaver GCCNOWARN *dummy = new DAutosaver;
+		DAutosaver GCCNOWARN *dummy = Create<DAutosaver>();
 	}
 }

--- a/src/g_shared/a_action.cpp
+++ b/src/g_shared/a_action.cpp
@ -181,7 +181,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_QueueCorpse)

 	if (sv_corpsequeuesize > 0)
 	{
-		new DCorpsePointer (self);
+		Create<DCorpsePointer> (self);
 	}
 	return 0;
 }
--- a/src/g_shared/a_decals.cpp
+++ b/src/g_shared/a_decals.cpp
@ -522,7 +522,7 @@ void DBaseDecal::Spread (const FDecalTemplate *tpl, side_t *wall, double x, doub

 DBaseDecal *DBaseDecal::CloneSelf (const FDecalTemplate *tpl, double ix, double iy, double iz, side_t *wall, F3DFloor * ffloor) const
 {
-	DBaseDecal *decal = new DBaseDecal(iz);
+	DBaseDecal *decal = Create<DBaseDecal>(iz);
 	if (decal != NULL)
 	{
 		if (decal->StickToWall (wall, ix, iy, ffloor).isValid())
@ -615,7 +615,7 @@ DImpactDecal *DImpactDecal::StaticCreate (const FDecalTemplate *tpl, const DVect
 			StaticCreate (tpl_low, pos, wall, ffloor, lowercolor);
 		}
 		DImpactDecal::CheckMax();
-		decal = new DImpactDecal (pos.Z);
+		decal = Create<DImpactDecal>(pos.Z);
 		if (decal == NULL)
 		{
 			return NULL;
@ -651,7 +651,7 @@ DBaseDecal *DImpactDecal::CloneSelf (const FDecalTemplate *tpl, double ix, doubl
 	}

 	DImpactDecal::CheckMax();
-	DImpactDecal *decal = new DImpactDecal(iz);
+	DImpactDecal *decal = Create<DImpactDecal>(iz);
 	if (decal != NULL)
 	{
 		if (decal->StickToWall (wall, ix, iy, ffloor).isValid())
@ -739,7 +739,7 @@ DBaseDecal *ShootDecal(const FDecalTemplate *tpl, AActor *basisactor, sector_t *
 	{
 		if (permanent)
 		{
-			decal = new DBaseDecal(trace.HitPos.Z);
+			decal = Create<DBaseDecal>(trace.HitPos.Z);
 			wall = trace.Line->sidedef[trace.Side];
 			decal->StickToWall(wall, trace.HitPos.X, trace.HitPos.Y, trace.ffloor);
 			tpl->ApplyToDecal(decal, wall);
--- a/src/g_shared/a_lightning.cpp
+++ b/src/g_shared/a_lightning.cpp
@ -184,7 +184,7 @@ void P_StartLightning ()
 	DLightningThinker *lightning = LocateLightning ();
 	if (lightning == NULL)
 	{
-		new DLightningThinker ();
+		Create<DLightningThinker>();
 	}
 }

@ -193,7 +193,7 @@ void P_ForceLightning (int mode)
 	DLightningThinker *lightning = LocateLightning ();
 	if (lightning == NULL)
 	{
-		lightning = new DLightningThinker ();
+		lightning = Create<DLightningThinker>();
 	}
 	if (lightning != NULL)
 	{
--- a/src/g_shared/a_quake.cpp
+++ b/src/g_shared/a_quake.cpp
@ -374,7 +374,7 @@ bool P_StartQuakeXYZ(AActor *activator, int tid, int intensityX, int intensityY,
 	{
 		if (activator != NULL)
 		{
-			new DEarthquake(activator, intensityX, intensityY, intensityZ, duration, damrad, tremrad,
+			Create<DEarthquake>(activator, intensityX, intensityY, intensityZ, duration, damrad, tremrad,
 				quakesfx, flags, waveSpeedX, waveSpeedY, waveSpeedZ, falloff, highpoint, rollIntensity, rollWave);
 			return true;
 		}
@ -385,7 +385,7 @@ bool P_StartQuakeXYZ(AActor *activator, int tid, int intensityX, int intensityY,
 		while ( (center = iterator.Next ()) )
 		{
 			res = true;
-			new DEarthquake(center, intensityX, intensityY, intensityZ, duration, damrad, tremrad,
+			Create<DEarthquake>(center, intensityX, intensityY, intensityZ, duration, damrad, tremrad,
 				quakesfx, flags, waveSpeedX, waveSpeedY, waveSpeedZ, falloff, highpoint, rollIntensity, rollWave);
 		}
 	}
--- a/src/g_shared/a_specialspot.cpp
+++ b/src/g_shared/a_specialspot.cpp
@ -248,7 +248,7 @@ void DSpotState::Tick ()

 DSpotState *DSpotState::GetSpotState(bool create)
 {
-	if (SpotState == NULL && create) SpotState = new DSpotState;
+	if (SpotState == NULL && create) SpotState = Create<DSpotState>();
 	return SpotState;
 }

--- a/src/g_statusbar/shared_sbar.cpp
+++ b/src/g_statusbar/shared_sbar.cpp
@ -771,7 +771,7 @@ void DBaseStatusBar::ShowPlayerName ()
 	EColorRange color;

 	color = (CPlayer == &players[consoleplayer]) ? CR_GOLD : CR_GREEN;
-	AttachMessage (new DHUDMessageFadeOut (SmallFont, CPlayer->userinfo.GetName(),
+	AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, CPlayer->userinfo.GetName(),
 		1.5f, 0.92f, 0, 0, color, 2.f, 0.35f), MAKE_ID('P','N','A','M'));
 }

@ -1664,7 +1664,7 @@ DEFINE_ACTION_FUNCTION(DHUDFont, Create)
 	PARAM_BOOL_DEF(mono);
 	PARAM_INT_DEF(sx);
 	PARAM_INT_DEF(sy);
-	ACTION_RETURN_POINTER(new DHUDFont(fnt, spac, mono, sy, sy));
+	ACTION_RETURN_POINTER(Create<DHUDFont>(fnt, spac, mono, sy, sy));
 }

 DEFINE_FIELD(DHUDFont, mFont);
--- a/src/gameconfigfile.cpp
+++ b/src/gameconfigfile.cpp
@ -643,7 +643,7 @@ void FGameConfigFile::CreateStandardAutoExec(const char *section, bool start)
 	}
 }

-void FGameConfigFile::AddAutoexec (DArgs *list, const char *game)
+void FGameConfigFile::AddAutoexec (FArgs *list, const char *game)
 {
 	char section[64];
 	const char *key;
--- a/src/gameconfigfile.h
+++ b/src/gameconfigfile.h
@ -37,7 +37,7 @@
 #include "doomtype.h"
 #include "configfile.h"

-class DArgs;
+class FArgs;
 class FIWadManager;

 class FGameConfigFile : public FConfigFile
@ -53,7 +53,7 @@ public:
 	void DoModSetup (const char *gamename);
 	void ArchiveGlobalData ();
 	void ArchiveGameData (const char *gamename);
-	void AddAutoexec (DArgs *list, const char *gamename);
+	void AddAutoexec (FArgs *list, const char *gamename);
 	FString GetConfigPath (bool tryProg);
 	void ReadNetVars ();

--- a/src/intermission/intermission.cpp
+++ b/src/intermission/intermission.cpp
@ -897,7 +897,7 @@ void F_StartIntermission(FIntermissionDescriptor *desc, bool deleteme, uint8_t s
 	if (state == FSTATE_InLevel) wipegamestate = GS_FINALE;	// don't wipe when within a level.
 	viewactive = false;
 	automapactive = false;
-	DIntermissionController::CurrentIntermission = new DIntermissionController(desc, deleteme, state);
+	DIntermissionController::CurrentIntermission = Create<DIntermissionController>(desc, deleteme, state);
 	GC::WriteBarrier(DIntermissionController::CurrentIntermission);
 }

--- a/src/m_argv.cpp
+++ b/src/m_argv.cpp
@ -37,47 +37,45 @@
 #include "cmdlib.h"
 #include "i_system.h"

-IMPLEMENT_CLASS(DArgs, false, false)
-
 //===========================================================================
 //
-// DArgs Default Constructor
+// FArgs Default Constructor
 //
 //===========================================================================

-DArgs::DArgs()
+FArgs::FArgs()
 {
 }

 //===========================================================================
 //
-// DArgs Copy Constructor
+// FArgs Copy Constructor
 //
 //===========================================================================

-DArgs::DArgs(const DArgs &other)
-: DObject(), Argv(other.Argv)
+FArgs::FArgs(const FArgs &other)
+: Argv(other.Argv)
 {
 }

 //===========================================================================
 //
-// DArgs Argv Constructor
+// FArgs Argv Constructor
 //
 //===========================================================================

-DArgs::DArgs(int argc, char **argv)
+FArgs::FArgs(int argc, char **argv)
 {
 	SetArgs(argc, argv);
 }

 //===========================================================================
 //
-// DArgs String Argv Constructor
+// FArgs String Argv Constructor
 //
 //===========================================================================

-DArgs::DArgs(int argc, FString *argv)
+FArgs::FArgs(int argc, FString *argv)
 {
 	AppendArgs(argc, argv);
 }
@ -86,11 +84,11 @@ DArgs::DArgs(int argc, FString *argv)

 //===========================================================================
 //
-// DArgs Copy Operator
+// FArgs Copy Operator
 //
 //===========================================================================

-DArgs &DArgs::operator=(const DArgs &other)
+FArgs &FArgs::operator=(const FArgs &other)
 {
 	Argv = other.Argv;
 	return *this;
@ -98,11 +96,11 @@ DArgs &DArgs::operator=(const DArgs &other)

 //===========================================================================
 //
-// DArgs :: SetArgs
+// FArgs :: SetArgs
 //
 //===========================================================================

-void DArgs::SetArgs(int argc, char **argv)
+void FArgs::SetArgs(int argc, char **argv)
 {
 	Argv.Resize(argc);
 	for (int i = 0; i < argc; ++i)
@ -113,25 +111,25 @@ void DArgs::SetArgs(int argc, char **argv)

 //===========================================================================
 //
-// DArgs :: FlushArgs
+// FArgs :: FlushArgs
 //
 //===========================================================================

-void DArgs::FlushArgs()
+void FArgs::FlushArgs()
 {
 	Argv.Clear();
 }

 //===========================================================================
 //
-// DArgs :: CheckParm
+// FArgs :: CheckParm
 //
 // Checks for the given parameter in the program's command line arguments.
 // Returns the argument number (1 to argc-1) or 0 if not present
 //
 //===========================================================================

-int DArgs::CheckParm(const char *check, int start) const
+int FArgs::CheckParm(const char *check, int start) const
 {
 	for (unsigned i = start; i < Argv.Size(); ++i)
 	{
@ -145,14 +143,14 @@ int DArgs::CheckParm(const char *check, int start) const

 //===========================================================================
 //
-// DArgs :: CheckParmList
+// FArgs :: CheckParmList
 //
 // Returns the number of arguments after the parameter (if found) and also
 // returns a pointer to the first argument.
 //
 //===========================================================================

-int DArgs::CheckParmList(const char *check, FString **strings, int start) const
+int FArgs::CheckParmList(const char *check, FString **strings, int start) const
 {
 	unsigned int i, parmat = CheckParm(check, start);

@ -180,14 +178,14 @@ int DArgs::CheckParmList(const char *check, FString **strings, int start) const

 //===========================================================================
 //
-// DArgs :: CheckValue
+// FArgs :: CheckValue
 //
 // Like CheckParm, but it also checks that the parameter has a value after
 // it and returns that or NULL if not present.
 //
 //===========================================================================

-const char *DArgs::CheckValue(const char *check) const
+const char *FArgs::CheckValue(const char *check) const
 {
 	int i = CheckParm(check);

@ -204,14 +202,14 @@ const char *DArgs::CheckValue(const char *check) const

 //===========================================================================
 //
-// DArgs :: TakeValue
+// FArgs :: TakeValue
 //
 // Like CheckValue, except it also removes the parameter and its argument
 // (if present) from argv.
 //
 //===========================================================================

-FString DArgs::TakeValue(const char *check)
+FString FArgs::TakeValue(const char *check)
 {
 	int i = CheckParm(check);
 	FString out;
@ -233,11 +231,11 @@ FString DArgs::TakeValue(const char *check)

 //===========================================================================
 //
-// DArgs :: RemoveArg
+// FArgs :: RemoveArg
 //
 //===========================================================================

-void DArgs::RemoveArgs(const char *check)
+void FArgs::RemoveArgs(const char *check)
 {
 	int i = CheckParm(check);

@ -253,64 +251,64 @@ void DArgs::RemoveArgs(const char *check)

 //===========================================================================
 //
-// DArgs :: GetArg
+// FArgs :: GetArg
 //
 // Gets the argument at a particular position.
 //
 //===========================================================================

-const char *DArgs::GetArg(int arg) const
+const char *FArgs::GetArg(int arg) const
 {
 	return ((unsigned)arg < Argv.Size()) ? Argv[arg].GetChars() : NULL;
 }

 //===========================================================================
 //
-// DArgs :: GetArgList
+// FArgs :: GetArgList
 //
 // Returns a pointer to the FString at a particular position.
 //
 //===========================================================================

-FString *DArgs::GetArgList(int arg) const
+FString *FArgs::GetArgList(int arg) const
 {
 	return ((unsigned)arg < Argv.Size()) ? &Argv[arg] : NULL;
 }

 //===========================================================================
 //
-// DArgs :: NumArgs
+// FArgs :: NumArgs
 //
 //===========================================================================

-int DArgs::NumArgs() const
+int FArgs::NumArgs() const
 {
 	return (int)Argv.Size();
 }

 //===========================================================================
 //
-// DArgs :: AppendArg
+// FArgs :: AppendArg
 //
 // Adds another argument to argv. Invalidates any previous results from
 // GetArgList().
 //
 //===========================================================================

-void DArgs::AppendArg(FString arg)
+void FArgs::AppendArg(FString arg)
 {
 	Argv.Push(arg);
 }

 //===========================================================================
 //
-// DArgs :: AppendArgs
+// FArgs :: AppendArgs
 //
 // Adds an array of FStrings to argv.
 //
 //===========================================================================

-void DArgs::AppendArgs(int argc, const FString *argv)
+void FArgs::AppendArgs(int argc, const FString *argv)
 {
 	if (argv != NULL && argc > 0)
 	{
@ -324,20 +322,20 @@ void DArgs::AppendArgs(int argc, const FString *argv)

 //===========================================================================
 //
-// DArgs :: RemoveArg
+// FArgs :: RemoveArg
 //
 // Removes a single argument from argv.
 //
 //===========================================================================

-void DArgs::RemoveArg(int argindex)
+void FArgs::RemoveArg(int argindex)
 {
 	Argv.Delete(argindex);
 }

 //===========================================================================
 //
-// DArgs :: CollectFiles
+// FArgs :: CollectFiles
 //
 // Takes all arguments after any instance of -param and any arguments before
 // all switches that end in .extension and combines them into a single
@ -346,7 +344,7 @@ void DArgs::RemoveArg(int argindex)
 //
 //===========================================================================

-void DArgs::CollectFiles(const char *param, const char *extension)
+void FArgs::CollectFiles(const char *param, const char *extension)
 {
 	TArray<FString> work;
 	unsigned int i;
@ -407,7 +405,7 @@ void DArgs::CollectFiles(const char *param, const char *extension)

 //===========================================================================
 //
-// DArgs :: GatherFiles
+// FArgs :: GatherFiles
 //
 // Returns all the arguments after the first instance of -param. If you want
 // to combine more than one or get switchless stuff included, you need to
@ -415,11 +413,11 @@ void DArgs::CollectFiles(const char *param, const char *extension)
 //
 //===========================================================================

-DArgs *DArgs::GatherFiles(const char *param) const
+FArgs *FArgs::GatherFiles(const char *param) const
 {
 	FString *files;
 	int filecount;

 	filecount = CheckParmList(param, &files);
-	return new DArgs(filecount, files);
+	return new FArgs(filecount, files);
 }
--- a/src/m_argv.h
+++ b/src/m_argv.h
@ -40,16 +40,15 @@
 //
 // MISC
 //
-class DArgs : public DObject
+class FArgs
 {
-	DECLARE_CLASS(DArgs, DObject)
 public:
-	DArgs();
-	DArgs(const DArgs &args);
-	DArgs(int argc, char **argv);
-	DArgs(int argc, FString *argv);
+	FArgs();
+	FArgs(const FArgs &args);
+	FArgs(int argc, char **argv);
+	FArgs(int argc, FString *argv);

-	DArgs &operator=(const DArgs &other);
+	FArgs &operator=(const FArgs &other);

 	void AppendArg(FString arg);
 	void AppendArgs(int argc, const FString *argv);
@ -57,7 +56,7 @@ public:
 	void RemoveArgs(const char *check);
 	void SetArgs(int argc, char **argv);
 	void CollectFiles(const char *param, const char *extension);
-	DArgs *GatherFiles(const char *param) const;
+	FArgs *GatherFiles(const char *param) const;
 	void SetArg(int argnum, const char *arg);

 	int CheckParm(const char *check, int start=1) const;	// Returns the position of the given parameter in the arg list (0 if not found).
@ -73,6 +72,6 @@ private:
 	TArray<FString> Argv;
 };

-extern DArgs *Args;
+extern FArgs *Args;

 #endif //__M_ARGV_H__
--- a/src/m_cheat.cpp
+++ b/src/m_cheat.cpp
@ -666,7 +666,7 @@ void cht_Suicide (player_t *plyr)
 	// the initial tick.
 	if (plyr->mo != NULL)
 	{
-		DSuicider *suicide = new DSuicider;
+		DSuicider *suicide = Create<DSuicider>();
 		suicide->Pawn = plyr->mo;
 		GC::WriteBarrier(suicide, suicide->Pawn);
 	}
--- a/src/m_misc.cpp
+++ b/src/m_misc.cpp
@ -231,7 +231,7 @@ void M_FindResponseFile (void)
 				ParseCommandLine (file, NULL, argv);

 				// Create a new argument vector
-				DArgs *newargs = new DArgs;
+				FArgs *newargs = new FArgs;

 				// Copy parameters before response file.
 				for (index = 0; index < i; ++index)
@ -246,6 +246,7 @@ void M_FindResponseFile (void)
 					newargs->AppendArg(Args->GetArg(index));

 				// Use the new argument vector as the global Args object.
+				delete Args;
 				Args = newargs;
 				if (++added_stuff == limit)
 				{
--- a/src/menu/menudef.cpp
+++ b/src/menu/menudef.cpp
@ -543,7 +543,7 @@ static void ParseListMenu(FScanner &sc)
 {
 	sc.MustGetString();

-	DListMenuDescriptor *desc = new DListMenuDescriptor;
+	DListMenuDescriptor *desc = Create<DListMenuDescriptor>();
 	desc->mMenuName = sc.String;
 	desc->mSelectedItem = -1;
 	desc->mAutoselect = -1;
@ -867,7 +867,7 @@ static void ParseOptionMenu(FScanner &sc)
 {
 	sc.MustGetString();

-	DOptionMenuDescriptor *desc = new DOptionMenuDescriptor;
+	DOptionMenuDescriptor *desc = Create<DOptionMenuDescriptor>();
 	desc->mMenuName = sc.String;
 	desc->mSelectedItem = -1;
 	desc->mScrollPos = 0;
@ -919,8 +919,8 @@ void M_ParseMenuDefs()
 	OptionSettings.mFontColorHighlight = V_FindFontColor(gameinfo.mFontColorHighlight);
 	OptionSettings.mFontColorSelection = V_FindFontColor(gameinfo.mFontColorSelection);
 	// these are supposed to get GC'd after parsing is complete.
-	DefaultListMenuSettings = new DListMenuDescriptor;
-	DefaultOptionMenuSettings = new DOptionMenuDescriptor;
+	DefaultListMenuSettings = Create<DListMenuDescriptor>();
+	DefaultOptionMenuSettings = Create<DOptionMenuDescriptor>();
 	DefaultListMenuSettings->Reset();
 	DefaultOptionMenuSettings->Reset();

@ -1066,7 +1066,7 @@ static void BuildEpisodeMenu()
 	{
 		// Couldn't create the episode menu, either because there's too many episodes or some error occured
 		// Create an option menu for episode selection instead.
-		DOptionMenuDescriptor *od = new DOptionMenuDescriptor;
+		DOptionMenuDescriptor *od = Create<DOptionMenuDescriptor>();
 		MenuDescriptors[NAME_Episodemenu] = od;
 		od->mMenuName = NAME_Episodemenu;
 		od->mTitle = "$MNU_EPISODE";
@ -1199,7 +1199,7 @@ static void BuildPlayerclassMenu()
 	{
 		// Couldn't create the playerclass menu, either because there's too many episodes or some error occured
 		// Create an option menu for class selection instead.
-		DOptionMenuDescriptor *od = new DOptionMenuDescriptor;
+		DOptionMenuDescriptor *od = Create<DOptionMenuDescriptor>();
 		MenuDescriptors[NAME_Playerclassmenu] = od;
 		od->mMenuName = NAME_Playerclassmenu;
 		od->mTitle = "$MNU_CHOOSECLASS";
@ -1505,7 +1505,7 @@ fail:
 	DOptionMenuDescriptor *od;
 	if (desc == nullptr)
 	{
-		od = new DOptionMenuDescriptor;
+		od = Create<DOptionMenuDescriptor>();
 		MenuDescriptors[NAME_Skillmenu] = od;
 		od->mMenuName = NAME_Skillmenu;
 		od->mTitle = "$MNU_CHOOSESKILL";
--- a/src/namedef.h
+++ b/src/namedef.h
@ -111,10 +111,8 @@ xx(Ironlich)
 xx(Minotaur)
 xx(Sorcerer2)

-// P_SpawnMapThing checks for these as health items (I smell a FIXME)
-xx(Berserk)
-xx(Soulsphere)
-xx(Megasphere)		// also counts as armor for P_SpawnMapThing
+// Bots check this
+xx(Megasphere)

 // Standard player classes
 xx(DoomPlayer)
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@ -3659,7 +3659,7 @@ DLevelScript::DLevelScript ()
 {
 	next = prev = NULL;
 	if (DACSThinker::ActiveThinker == NULL)
-		new DACSThinker;
+		Create<DACSThinker>();
 	activefont = SmallFont;
 }

@ -4071,7 +4071,7 @@ showme:
 							fa1 = viewer->BlendA;
 						}
 					}
-					new DFlashFader (fr1, fg1, fb1, fa1, fr2, fg2, fb2, fa2, ftime, viewer->mo);
+					Create<DFlashFader> (fr1, fg1, fb1, fa1, fr2, fg2, fb2, fa2, ftime, viewer->mo);
 				}
 			}
 		}
@ -8819,13 +8819,13 @@ scriptwait:
 					{
 					default:	// normal
 						alpha = (optstart < sp) ? ACSToFloat(Stack[optstart]) : 1.f;
-						msg = new DHUDMessage (activefont, work, x, y, hudwidth, hudheight, color, holdTime);
+						msg = Create<DHUDMessage> (activefont, work, x, y, hudwidth, hudheight, color, holdTime);
 						break;
 					case 1:		// fade out
 						{
 							float fadeTime = (optstart < sp) ? ACSToFloat(Stack[optstart]) : 0.5f;
 							alpha = (optstart < sp-1) ? ACSToFloat(Stack[optstart+1]) : 1.f;
-							msg = new DHUDMessageFadeOut (activefont, work, x, y, hudwidth, hudheight, color, holdTime, fadeTime);
+							msg = Create<DHUDMessageFadeOut> (activefont, work, x, y, hudwidth, hudheight, color, holdTime, fadeTime);
 						}
 						break;
 					case 2:		// type on, then fade out
@ -8833,7 +8833,7 @@ scriptwait:
 							float typeTime = (optstart < sp) ? ACSToFloat(Stack[optstart]) : 0.05f;
 							float fadeTime = (optstart < sp-1) ? ACSToFloat(Stack[optstart+1]) : 0.5f;
 							alpha = (optstart < sp-2) ? ACSToFloat(Stack[optstart+2]) : 1.f;
-							msg = new DHUDMessageTypeOnFadeOut (activefont, work, x, y, hudwidth, hudheight, color, typeTime, holdTime, fadeTime);
+							msg = Create<DHUDMessageTypeOnFadeOut> (activefont, work, x, y, hudwidth, hudheight, color, typeTime, holdTime, fadeTime);
 						}
 						break;
 					case 3:		// fade in, then fade out
@ -8841,7 +8841,7 @@ scriptwait:
 							float inTime = (optstart < sp) ? ACSToFloat(Stack[optstart]) : 0.5f;
 							float outTime = (optstart < sp-1) ? ACSToFloat(Stack[optstart+1]) : 0.5f;
 							alpha = (optstart < sp-2) ? ACSToFloat(Stack[optstart + 2]) : 1.f;
-							msg = new DHUDMessageFadeInOut (activefont, work, x, y, hudwidth, hudheight, color, holdTime, inTime, outTime);
+							msg = Create<DHUDMessageFadeInOut> (activefont, work, x, y, hudwidth, hudheight, color, holdTime, inTime, outTime);
 						}
 						break;
 					}
@ -9630,13 +9630,13 @@ scriptwait:
 			break;

 		case PCD_SETFLOORTRIGGER:
-			new DPlaneWatcher (activator, activationline, backSide, false, STACK(8),
+			Create<DPlaneWatcher> (activator, activationline, backSide, false, STACK(8),
 				STACK(7), STACK(6), STACK(5), STACK(4), STACK(3), STACK(2), STACK(1));
 			sp -= 8;
 			break;

 		case PCD_SETCEILINGTRIGGER:
-			new DPlaneWatcher (activator, activationline, backSide, true, STACK(8),
+			Create<DPlaneWatcher> (activator, activationline, backSide, true, STACK(8),
 				STACK(7), STACK(6), STACK(5), STACK(4), STACK(3), STACK(2), STACK(1));
 			sp -= 8;
 			break;
@ -10513,7 +10513,7 @@ static DLevelScript *P_GetScriptGoing (AActor *who, line_t *where, int num, cons
 		return NULL;
 	}

-	return new DLevelScript (who, where, num, code, module, args, argcount, flags);
+	return Create<DLevelScript> (who, where, num, code, module, args, argcount, flags);
 }

 DLevelScript::DLevelScript (AActor *who, line_t *where, int num, const ScriptPtr *code, FBehavior *module,
@ -10521,7 +10521,7 @@ DLevelScript::DLevelScript (AActor *who, line_t *where, int num, const ScriptPtr
 	: activeBehavior (module)
 {
 	if (DACSThinker::ActiveThinker == NULL)
-		new DACSThinker;
+		Create<DACSThinker>();

 	script = num;
 	assert(code->VarCount >= code->ArgCount);
--- a/src/p_actionfunctions.cpp
+++ b/src/p_actionfunctions.cpp
@ -3574,8 +3574,8 @@ DEFINE_ACTION_FUNCTION(AActor, A_SetBlend)
 	if (color2.a == 0)
 		color2 = color;

-	new DFlashFader(color.r/255.f, color.g/255.f, color.b/255.f, float(alpha),
-					color2.r/255.f, color2.g/255.f, color2.b/255.f, 0,
+	Create<DFlashFader>(color.r/255.f, color.g/255.f, color.b/255.f, float(alpha),
+					color2.r/255.f, color2.g/255.f, color2.b/255.f, 0.f,
 					float(tics)/TICRATE, self);
 	return 0;
 }
--- a/src/p_ceiling.cpp
+++ b/src/p_ceiling.cpp
@ -244,7 +244,7 @@ bool P_CreateCeiling(sector_t *sec, DCeiling::ECeiling type, line_t *line, int t
 	}
 	
 	// new door thinker
-	DCeiling *ceiling = new DCeiling (sec, speed, speed2, silent & ~4);
+	DCeiling *ceiling = Create<DCeiling> (sec, speed, speed2, silent & ~4);
 	vertex_t *spot = sec->Lines[0]->v1;

 	switch (type)
--- a/src/p_conversation.cpp
+++ b/src/p_conversation.cpp
@ -1170,9 +1170,9 @@ static void TerminalResponse (const char *str)
 			// merchants can tell you something like this but continue to show
 			// their dialogue screen. I think most other conversations use this
 			// only as a response for terminating the dialogue.
-			StatusBar->AttachMessage(new DHUDMessageFadeOut(SmallFont, str,
+			StatusBar->AttachMessage(Create<DHUDMessageFadeOut>(SmallFont, str,
 				float(CleanWidth/2) + 0.4f, float(ConversationMenuY - 110 + CleanHeight/2), CleanWidth, -CleanHeight,
-				CR_UNTRANSLATED, 3, 1), MAKE_ID('T','A','L','K'));
+				CR_UNTRANSLATED, 3.f, 1.f), MAKE_ID('T','A','L','K'));
 		}
 		else
 		{
--- a/src/p_doors.cpp
+++ b/src/p_doors.cpp
@ -485,7 +485,7 @@ bool EV_DoDoor (DDoor::EVlDoor type, line_t *line, AActor *thing,
 			}
 			return false;
 		}
-		if (new DDoor (sec, type, speed, delay, lightTag, topcountdown))
+		if (Create<DDoor> (sec, type, speed, delay, lightTag, topcountdown))
 			rtn = true;
 	}
 	else
@ -499,7 +499,7 @@ bool EV_DoDoor (DDoor::EVlDoor type, line_t *line, AActor *thing,
 			if (sec->PlaneMoving(sector_t::ceiling))
 				continue;

-			if (new DDoor (sec, type, speed, delay, lightTag, topcountdown))
+			if (Create<DDoor>(sec, type, speed, delay, lightTag, topcountdown))
 				rtn = true;
 		}
 				
@ -779,7 +779,7 @@ bool EV_SlidingDoor (line_t *line, AActor *actor, int tag, int speed, int delay,
 		FDoorAnimation *anim = TexMan.FindAnimatedDoor (line->sidedef[0]->GetTexture(side_t::top));
 		if (anim != NULL)
 		{
-			new DAnimatedDoor (sec, line, speed, delay, anim, type);
+			Create<DAnimatedDoor>(sec, line, speed, delay, anim, type);
 			return true;
 		}
 		return false;
@ -804,7 +804,7 @@ bool EV_SlidingDoor (line_t *line, AActor *actor, int tag, int speed, int delay,
 			if (anim != NULL)
 			{
 				rtn = true;
-				new DAnimatedDoor (sec, line, speed, delay, anim, type);
+				Create<DAnimatedDoor>(sec, line, speed, delay, anim, type);
 				break;
 			}
 		}
--- a/src/p_floor.cpp
+++ b/src/p_floor.cpp
@ -282,7 +282,7 @@ bool P_CreateFloor(sector_t *sec, DFloor::EFloor floortype, line_t *line,

 	// new floor thinker
 	rtn = true;
-	floor = new DFloor(sec);
+	floor = Create<DFloor>(sec);
 	floor->m_Type = floortype;
 	floor->m_Crush = crush;
 	floor->m_Hexencrush = hexencrush;
@ -631,7 +631,7 @@ bool EV_BuildStairs (int tag, DFloor::EStair type, line_t *line,
 		
 		// new floor thinker
 		rtn = true;
-		floor = new DFloor (sec);
+		floor = Create<DFloor> (sec);
 		floor->m_Direction = (type == DFloor::buildUp) ? 1 : -1;
 		stairstep = stairsize * floor->m_Direction;
 		floor->m_Type = DFloor::buildStair;	//jff 3/31/98 do not leave uninited
@ -734,7 +734,7 @@ bool EV_BuildStairs (int tag, DFloor::EStair type, line_t *line,
 				secnum = newsecnum;

 				// create and initialize a thinker for the next step
-				floor = new DFloor (sec);
+				floor = Create<DFloor> (sec);
 				floor->StartFloorSound ();
 				floor->m_Direction = (type == DFloor::buildUp) ? 1 : -1;
 				floor->m_FloorDestDist = sec->floorplane.PointToDist (DVector2(0, 0), height);
@ -813,7 +813,7 @@ bool EV_DoDonut (int tag, line_t *line, double pillarspeed, double slimespeed)
 			s3 = ln->backsector;
 			
 			//	Spawn rising slime
-			floor = new DFloor (s2);
+			floor = Create<DFloor> (s2);
 			floor->m_Type = DFloor::donutRaise;
 			floor->m_Crush = -1;
 			floor->m_Hexencrush = false;
@ -828,7 +828,7 @@ bool EV_DoDonut (int tag, line_t *line, double pillarspeed, double slimespeed)
 			floor->StartFloorSound ();
 			
 			//	Spawn lowering donut-hole
-			floor = new DFloor (s1);
+			floor = Create<DFloor> (s1);
 			floor->m_Type = DFloor::floorLowerToNearest;
 			floor->m_Crush = -1;
 			floor->m_Hexencrush = false;
@ -1017,7 +1017,7 @@ bool EV_DoElevator (line_t *line, DElevator::EElevator elevtype,

 		// create and initialize new elevator thinker
 		rtn = true;
-		elevator = new DElevator (sec);
+		elevator = Create<DElevator> (sec);
 		elevator->m_Type = elevtype;
 		elevator->m_Speed = speed;
 		elevator->StartFloorSound ();
@ -1327,12 +1327,12 @@ bool EV_StartWaggle (int tag, line_t *line, int height, int speed, int offset,
 		retCode = true;
 		if (ceiling)
 		{
-			waggle = new DCeilingWaggle (sector);
+			waggle = Create<DCeilingWaggle> (sector);
 			waggle->m_OriginalDist = sector->ceilingplane.fD();
 		}
 		else
 		{
-			waggle = new DFloorWaggle (sector);
+			waggle = Create<DFloorWaggle> (sector);
 			waggle->m_OriginalDist = sector->floorplane.fD();
 		}
 		waggle->m_Accumulator = offset;
--- a/src/p_interaction.cpp
+++ b/src/p_interaction.cpp
@ -408,7 +408,7 @@ void AActor::Die (AActor *source, AActor *inflictor, int dmgflags)
 					SexMessage (GStrings("SPREEKILLSELF"), buff,
 						player->userinfo.GetGender(), player->userinfo.GetName(),
 						player->userinfo.GetName());
-					StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
+					StatusBar->AttachMessage (Create<DHUDMessageFadeOut>(SmallFont, buff,
 							1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
 				}
 			}
@ -465,7 +465,7 @@ void AActor::Die (AActor *source, AActor *inflictor, int dmgflags)
 						{
 							SexMessage (GStrings("SPREEOVER"), buff, player->userinfo.GetGender(),
 								player->userinfo.GetName(), source->player->userinfo.GetName());
-							StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
+							StatusBar->AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, buff,
 								1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
 						}
 					}
@ -475,7 +475,7 @@ void AActor::Die (AActor *source, AActor *inflictor, int dmgflags)
 						{
 							SexMessage (spreemsg, buff, player->userinfo.GetGender(),
 								player->userinfo.GetName(), source->player->userinfo.GetName());
-							StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
+							StatusBar->AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, buff,
 								1.5f, 0.2f, 0, 0, CR_WHITE, 3.f, 0.5f), MAKE_ID('K','S','P','R'));
 						}
 					}
@ -525,7 +525,7 @@ void AActor::Die (AActor *source, AActor *inflictor, int dmgflags)
 							{
 								SexMessage (multimsg, buff, player->userinfo.GetGender(),
 									player->userinfo.GetName(), source->player->userinfo.GetName());
-								StatusBar->AttachMessage (new DHUDMessageFadeOut (SmallFont, buff,
+								StatusBar->AttachMessage (Create<DHUDMessageFadeOut> (SmallFont, buff,
 									1.5f, 0.8f, 0, 0, CR_RED, 3.f, 0.5f), MAKE_ID('M','K','I','L'));
 							}
 						}
--- a/src/p_lights.cpp
+++ b/src/p_lights.cpp
@ -152,14 +152,16 @@ class DPhased : public DLighting
 public:
 	DPhased(sector_t *sector);
 	DPhased(sector_t *sector, int baselevel, int phase);
+	// These are for internal use only but the Create template needs access to them.
+	DPhased();
+	DPhased(sector_t *sector, int baselevel);
+
 	void		Serialize(FSerializer &arc);
 	void		Tick();
 protected:
 	uint8_t		m_BaseLevel;
 	uint8_t		m_Phase;
 private:
-	DPhased();
-	DPhased(sector_t *sector, int baselevel);
 	int PhaseHelper(sector_t *sector, int index, int light, sector_t *prev);
 };

@ -325,7 +327,7 @@ void EV_StartLightFlickering (int tag, int upper, int lower)
 	FSectorTagIterator it(tag);
 	while ((secnum = it.Next()) >= 0)
 	{
-		new DFlicker (&level.sectors[secnum], upper, lower);
+		Create<DFlicker> (&level.sectors[secnum], upper, lower);
 	}
 }

@ -506,7 +508,7 @@ void EV_StartLightStrobing (int tag, int upper, int lower, int utics, int ltics)
 		if (sec->lightingdata)
 			continue;
 		
-		new DStrobe (sec, upper, lower, utics, ltics);
+		Create<DStrobe> (sec, upper, lower, utics, ltics);
 	}
 }

@ -520,7 +522,7 @@ void EV_StartLightStrobing (int tag, int utics, int ltics)
 		if (sec->lightingdata)
 			continue;
 		
-		new DStrobe (sec, utics, ltics, false);
+		Create<DStrobe> (sec, utics, ltics, false);
 	}
 }

@ -826,7 +828,7 @@ void EV_StartLightGlowing (int tag, int upper, int lower, int tics)
 		if (sec->lightingdata)
 			continue;
 		
-		new DGlow2 (sec, upper, lower, tics, false);
+		Create<DGlow2> (sec, upper, lower, tics, false);
 	}
 }

@ -856,7 +858,7 @@ void EV_StartLightFading (int tag, int value, int tics)
 			if (sec->lightlevel == value)
 				continue;

-			new DGlow2 (sec, sec->lightlevel, value, tics, true);
+			Create<DGlow2> (sec, sec->lightlevel, value, tics, true);
 		}
 	}
 }
@ -930,7 +932,7 @@ int DPhased::PhaseHelper (sector_t *sector, int index, int light, sector_t *prev
 			m_BaseLevel = baselevel;
 		}
 		else
-			l = new DPhased (sector, baselevel);
+			l = Create<DPhased> (sector, baselevel);

 		int numsteps = PhaseHelper (sector->NextSpecialSector (
 				sector->special == LightSequenceSpecial1 ?
@ -998,52 +1000,52 @@ void P_SpawnLights(sector_t *sector)
 	switch (sector->special)
 	{
 	case Light_Phased:
-		new DPhased(sector, 48, 63 - (sector->lightlevel & 63));
+		Create<DPhased>(sector, 48, 63 - (sector->lightlevel & 63));
 		break;

 		// [RH] Hexen-like phased lighting
 	case LightSequenceStart:
-		new DPhased(sector);
+		Create<DPhased>(sector);
 		break;

 	case dLight_Flicker:
-		new DLightFlash(sector);
+		Create<DLightFlash>(sector);
 		break;

 	case dLight_StrobeFast:
-		new DStrobe(sector, STROBEBRIGHT, FASTDARK, false);
+		Create<DStrobe>(sector, STROBEBRIGHT, FASTDARK, false);
 		break;

 	case dLight_StrobeSlow:
-		new DStrobe(sector, STROBEBRIGHT, SLOWDARK, false);
+		Create<DStrobe>(sector, STROBEBRIGHT, SLOWDARK, false);
 		break;

 	case dLight_Strobe_Hurt:
-		new DStrobe(sector, STROBEBRIGHT, FASTDARK, false);
+		Create<DStrobe>(sector, STROBEBRIGHT, FASTDARK, false);
 		break;

 	case dLight_Glow:
-		new DGlow(sector);
+		Create<DGlow>(sector);
 		break;

 	case dLight_StrobeSlowSync:
-		new DStrobe(sector, STROBEBRIGHT, SLOWDARK, true);
+		Create<DStrobe>(sector, STROBEBRIGHT, SLOWDARK, true);
 		break;

 	case dLight_StrobeFastSync:
-		new DStrobe(sector, STROBEBRIGHT, FASTDARK, true);
+		Create<DStrobe>(sector, STROBEBRIGHT, FASTDARK, true);
 		break;

 	case dLight_FireFlicker:
-		new DFireFlicker(sector);
+		Create<DFireFlicker>(sector);
 		break;

 	case dScroll_EastLavaDamage:
-		new DStrobe(sector, STROBEBRIGHT, FASTDARK, false);
+		Create<DStrobe>(sector, STROBEBRIGHT, FASTDARK, false);
 		break;

 	case sLight_Strobe_Hurt:
-		new DStrobe(sector, STROBEBRIGHT, FASTDARK, false);
+		Create<DStrobe>(sector, STROBEBRIGHT, FASTDARK, false);
 		break;

 	default:
--- a/src/p_maputl.cpp
+++ b/src/p_maputl.cpp
@ -938,7 +938,7 @@ DEFINE_ACTION_FUNCTION(DBlockLinesIterator, Create)
 	PARAM_PROLOGUE;
 	PARAM_OBJECT_NOT_NULL(origin, AActor);
 	PARAM_FLOAT_DEF(radius);
-	ACTION_RETURN_OBJECT(new DBlockLinesIterator(origin, radius));
+	ACTION_RETURN_OBJECT(Create<DBlockLinesIterator>(origin, radius));
 }

 DEFINE_ACTION_FUNCTION(DBlockLinesIterator, CreateFromPos)
@ -950,7 +950,7 @@ DEFINE_ACTION_FUNCTION(DBlockLinesIterator, CreateFromPos)
 	PARAM_FLOAT(h);
 	PARAM_FLOAT(radius);
 	PARAM_POINTER_DEF(sec, sector_t);
-	ACTION_RETURN_OBJECT(new DBlockLinesIterator(x, y, z, h, radius, sec));
+	ACTION_RETURN_OBJECT(Create<DBlockLinesIterator>(x, y, z, h, radius, sec));
 }

 DEFINE_ACTION_FUNCTION(DBlockLinesIterator, Next)
@ -1277,7 +1277,7 @@ DEFINE_ACTION_FUNCTION(DBlockThingsIterator, Create)
 	PARAM_OBJECT_NOT_NULL(origin, AActor);
 	PARAM_FLOAT_DEF(radius);
 	PARAM_BOOL_DEF(ignore);
-	ACTION_RETURN_OBJECT(new DBlockThingsIterator(origin, radius, ignore));
+	ACTION_RETURN_OBJECT(Create<DBlockThingsIterator>(origin, radius, ignore));
 }

 DEFINE_ACTION_FUNCTION(DBlockThingsIterator, CreateFromPos)
@ -1289,7 +1289,7 @@ DEFINE_ACTION_FUNCTION(DBlockThingsIterator, CreateFromPos)
 	PARAM_FLOAT(h);
 	PARAM_FLOAT(radius);
 	PARAM_BOOL(ignore);
-	ACTION_RETURN_OBJECT(new DBlockThingsIterator(x, y, z, h, radius, ignore, nullptr));
+	ACTION_RETURN_OBJECT(Create<DBlockThingsIterator>(x, y, z, h, radius, ignore, nullptr));
 }

 DEFINE_ACTION_FUNCTION(DBlockThingsIterator, Next)
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@ -1380,6 +1380,54 @@ DEFINE_ACTION_FUNCTION(AActor, ObtainInventory)
 	return 0;
 }

+//---------------------------------------------------------------------------
+//
+// FUNC P_GetRealMaxHealth
+//
+// Taken out of P_GiveBody so that the bot code can also use it to decide
+// whether to pick up an item or not.
+//
+//---------------------------------------------------------------------------
+
+int P_GetRealMaxHealth(APlayerPawn *actor, int max)
+{
+	// Max is 0 by default, preserving default behavior for P_GiveBody()
+	// calls while supporting health pickups.
+	auto player = actor->player;
+	if (max <= 0)
+	{
+		max = actor->GetMaxHealth(true);
+		// [MH] First step in predictable generic morph effects
+		if (player->morphTics)
+		{
+			if (player->MorphStyle & MORPH_FULLHEALTH)
+			{
+				if (!(player->MorphStyle & MORPH_ADDSTAMINA))
+				{
+					max -= actor->stamina + actor->BonusHealth;
+				}
+			}
+			else // old health behaviour
+			{
+				max = MAXMORPHHEALTH;
+				if (player->MorphStyle & MORPH_ADDSTAMINA)
+				{
+					max += actor->stamina + actor->BonusHealth;
+				}
+			}
+		}
+	}
+	else
+	{
+		// Bonus health should be added on top of the item's limit.
+		if (player->morphTics == 0 || (player->MorphStyle & MORPH_ADDSTAMINA))
+		{
+			max += actor->BonusHealth;
+		}
+	}
+	return max;
+}
+
 //---------------------------------------------------------------------------
 //
 // FUNC P_GiveBody
@ -1400,33 +1448,8 @@ bool P_GiveBody(AActor *actor, int num, int max)
 	num = clamp(num, -65536, 65536);	// prevent overflows for bad values
 	if (player != NULL)
 	{
-		// Max is 0 by default, preserving default behavior for P_GiveBody()
-		// calls while supporting health pickups.
-		if (max <= 0)
-		{
-			max = static_cast<APlayerPawn*>(actor)->GetMaxHealth(true);
-			// [MH] First step in predictable generic morph effects
-			if (player->morphTics)
-			{
-				if (player->MorphStyle & MORPH_FULLHEALTH)
-				{
-					if (!(player->MorphStyle & MORPH_ADDSTAMINA))
-					{
-						max -= player->mo->stamina + player->mo->BonusHealth;
-					}
-				}
-				else // old health behaviour
-				{
-					max = MAXMORPHHEALTH;
-					if (player->MorphStyle & MORPH_ADDSTAMINA)
-					{
-						max += player->mo->stamina + player->mo->BonusHealth;
-					}
-				}
-			}
-		}
-		// [RH] For Strife: A negative body sets you up with a percentage
-		// of your full health.
+		max = P_GetRealMaxHealth(player->mo, max);	// do not pass voodoo dolls in here.
+		// [RH] For Strife: A negative value sets you up with a percentage of your full health.
 		if (num < 0)
 		{
 			num = max * -num / 100;
@ -7949,7 +7972,7 @@ DEFINE_ACTION_FUNCTION(DActorIterator, Create)
 	PARAM_PROLOGUE;
 	PARAM_INT(tid);
 	PARAM_CLASS_DEF(type, AActor);
-	ACTION_RETURN_OBJECT(new DActorIterator(type, tid));
+	ACTION_RETURN_OBJECT(Create<DActorIterator>(type, tid));
 }

 DEFINE_ACTION_FUNCTION(DActorIterator, Next)
--- a/src/p_pillar.cpp
+++ b/src/p_pillar.cpp
@ -238,7 +238,7 @@ bool EV_DoPillar (DPillar::EPillar type, line_t *line, int tag,
 			continue;

 		rtn = true;
-		new DPillar (sec, type, speed, height, height2, crush, hexencrush);
+		Create<DPillar> (sec, type, speed, height, height2, crush, hexencrush);
 	}
 	return rtn;
 }
--- a/src/p_plats.cpp
+++ b/src/p_plats.cpp
@ -253,7 +253,7 @@ bool EV_DoPlat (int tag, line_t *line, DPlat::EPlatType type, double height,

 		// Find lowest & highest floors around sector
 		rtn = true;
-		plat = new DPlat (sec);
+		plat = Create<DPlat> (sec);

 		plat->m_Type = type;
 		plat->m_Crush = -1;
--- a/src/p_pspr.cpp
+++ b/src/p_pspr.cpp
@ -255,7 +255,7 @@ DPSprite *player_t::GetPSprite(PSPLayers layer)
 	DPSprite *pspr = FindPSprite(layer);
 	if (pspr == nullptr)
 	{
-		pspr = new DPSprite(this, newcaller, layer);
+		pspr = Create<DPSprite>(this, newcaller, layer);
 	}
 	else
 	{
@ -1263,7 +1263,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_Overlay)
 	}

 	DPSprite *pspr;
-	pspr = new DPSprite(player, stateowner, layer);
+	pspr = Create<DPSprite>(player, stateowner, layer);
 	pspr->SetState(state);
 	ACTION_RETURN_BOOL(true);
 }
--- a/src/p_pusher.cpp
+++ b/src/p_pusher.cpp
@ -371,7 +371,7 @@ void P_SpawnPushers ()
 		{
 			FSectorTagIterator itr(l->args[0]);
 			while ((s = itr.Next()) >= 0)
-				new DPusher(DPusher::p_wind, l->args[3] ? l : NULL, l->args[1], l->args[2], NULL, s);
+				Create<DPusher>(DPusher::p_wind, l->args[3] ? l : nullptr, l->args[1], l->args[2], nullptr, s);
 			l->special = 0;
 			break;
 		}
@ -380,7 +380,7 @@ void P_SpawnPushers ()
 		{
 			FSectorTagIterator itr(l->args[0]);
 			while ((s = itr.Next()) >= 0)
-				new DPusher(DPusher::p_current, l->args[3] ? l : NULL, l->args[1], l->args[2], NULL, s);
+				Create<DPusher>(DPusher::p_current, l->args[3] ? l : nullptr, l->args[1], l->args[2], nullptr, s);
 			l->special = 0;
 			break;
 		}
@ -394,7 +394,7 @@ void P_SpawnPushers ()
 					if (thing) {	// No MT_P* means no effect
 						// [RH] Allow narrowing it down by tid
 						if (!l->args[1] || l->args[1] == thing->tid)
-							new DPusher (DPusher::p_push, l->args[3] ? l : NULL, l->args[2],
+							Create<DPusher> (DPusher::p_push, l->args[3] ? l : NULL, l->args[2],
 										 0, thing, s);
 					}
 				}
@ -407,7 +407,7 @@ void P_SpawnPushers ()
 					if (thing->GetClass()->TypeName == NAME_PointPusher ||
 						thing->GetClass()->TypeName == NAME_PointPuller)
 					{
-						new DPusher (DPusher::p_push, l->args[3] ? l : NULL, l->args[2], 0, thing, thing->Sector->Index());
+						Create<DPusher> (DPusher::p_push, l->args[3] ? l : NULL, l->args[2], 0, thing, thing->Sector->Index());
 					}
 				}
 			}
@ -452,7 +452,7 @@ void AdjustPusher (int tag, int magnitude, int angle, bool wind)
 		}
 		if (i == numcollected)
 		{
-			new DPusher (type, NULL, magnitude, angle, NULL, secnum);
+			Create<DPusher> (type, nullptr, magnitude, angle, nullptr, secnum);
 		}
 	}
 }
--- a/src/p_scroll.cpp
+++ b/src/p_scroll.cpp
@ -470,7 +470,7 @@ void P_SpawnScrollers(void)
 			FSectorTagIterator itr(l->args[0]);
 			while ((s = itr.Next()) >= 0)
 			{
-				new DScroller(EScroll::sc_ceiling, -dx, dy, control, s, accel);
+				Create<DScroller>(EScroll::sc_ceiling, -dx, dy, control, s, accel);
 			}
 			for (unsigned j = 0; j < copyscrollers.Size(); j++)
 			{
@ -478,7 +478,7 @@ void P_SpawnScrollers(void)

 				if (line->args[0] == l->args[0] && (line->args[1] & 1))
 				{
-					new DScroller(EScroll::sc_ceiling, -dx, dy, control, line->frontsector->Index(), accel);
+					Create<DScroller>(EScroll::sc_ceiling, -dx, dy, control, line->frontsector->Index(), accel);
 				}
 			}
 			break;
@ -490,7 +490,7 @@ void P_SpawnScrollers(void)
 				FSectorTagIterator itr(l->args[0]);
 				while ((s = itr.Next()) >= 0)
 				{
-					new DScroller (EScroll::sc_floor, -dx, dy, control, s, accel);
+					Create<DScroller> (EScroll::sc_floor, -dx, dy, control, s, accel);
 				}
 				for(unsigned j = 0;j < copyscrollers.Size(); j++)
 				{
@ -498,7 +498,7 @@ void P_SpawnScrollers(void)

 					if (line->args[0] == l->args[0] && (line->args[1] & 2))
 					{
-						new DScroller(EScroll::sc_floor, -dx, dy, control, line->frontsector->Index(), accel);
+						Create<DScroller>(EScroll::sc_floor, -dx, dy, control, line->frontsector->Index(), accel);
 					}
 				}
 			}
@ -508,7 +508,7 @@ void P_SpawnScrollers(void)
 				FSectorTagIterator itr(l->args[0]);
 				while ((s = itr.Next()) >= 0)
 				{
-					new DScroller (EScroll::sc_carry, dx, dy, control, s, accel);
+					Create<DScroller> (EScroll::sc_carry, dx, dy, control, s, accel);
 				}
 				for(unsigned j = 0;j < copyscrollers.Size(); j++)
 				{
@ -516,7 +516,7 @@ void P_SpawnScrollers(void)

 					if (line->args[0] == l->args[0] && (line->args[1] & 4))
 					{
-						new DScroller (EScroll::sc_carry, dx, dy, control, line->frontsector->Index(), accel);
+						Create<DScroller> (EScroll::sc_carry, dx, dy, control, line->frontsector->Index(), accel);
 					}
 				}
 			}
@ -530,7 +530,7 @@ void P_SpawnScrollers(void)
 			while ((s = itr.Next()) >= 0)
 			{
 				if (s != (int)i)
-					new DScroller(dx, dy, &level.lines[s], control, accel);
+					Create<DScroller>(dx, dy, &level.lines[s], control, accel);
 			}
 			break;
 		}
@ -538,35 +538,35 @@ void P_SpawnScrollers(void)
 		case Scroll_Texture_Offsets:
 			// killough 3/2/98: scroll according to sidedef offsets
 			s = level.lines[i].sidedef[0]->Index();
-			new DScroller (EScroll::sc_side, -level.sides[s].GetTextureXOffset(side_t::mid),
+			Create<DScroller> (EScroll::sc_side, -level.sides[s].GetTextureXOffset(side_t::mid),
 				level.sides[s].GetTextureYOffset(side_t::mid), -1, s, accel, SCROLLTYPE(l->args[0]));
 			break;

 		case Scroll_Texture_Left:
 			l->special = special;	// Restore the special, for compat_useblocking's benefit.
 			s = level.lines[i].sidedef[0]->Index();
-			new DScroller (EScroll::sc_side, l->args[0] / 64., 0,
+			Create<DScroller> (EScroll::sc_side, l->args[0] / 64., 0,
 						   -1, s, accel, SCROLLTYPE(l->args[1]));
 			break;

 		case Scroll_Texture_Right:
 			l->special = special;
 			s = level.lines[i].sidedef[0]->Index();
-			new DScroller (EScroll::sc_side, -l->args[0] / 64., 0,
+			Create<DScroller> (EScroll::sc_side, -l->args[0] / 64., 0,
 						   -1, s, accel, SCROLLTYPE(l->args[1]));
 			break;

 		case Scroll_Texture_Up:
 			l->special = special;
 			s = level.lines[i].sidedef[0]->Index();
-			new DScroller (EScroll::sc_side, 0, l->args[0] / 64.,
+			Create<DScroller> (EScroll::sc_side, 0, l->args[0] / 64.,
 						   -1, s, accel, SCROLLTYPE(l->args[1]));
 			break;

 		case Scroll_Texture_Down:
 			l->special = special;
 			s = level.lines[i].sidedef[0]->Index();
-			new DScroller (EScroll::sc_side, 0, -l->args[0] / 64.,
+			Create<DScroller> (EScroll::sc_side, 0, -l->args[0] / 64.,
 						   -1, s, accel, SCROLLTYPE(l->args[1]));
 			break;

@ -575,7 +575,7 @@ void P_SpawnScrollers(void)
 			if (l->args[0] == 0) {
 				dx = (l->args[1] - l->args[2]) / 64.;
 				dy = (l->args[4] - l->args[3]) / 64.;
-				new DScroller (EScroll::sc_side, dx, dy, -1, s, accel);
+				Create<DScroller> (EScroll::sc_side, dx, dy, -1, s, accel);
 			}
 			break;

@ -656,7 +656,7 @@ void SetWallScroller (int id, int sidechoice, double dx, double dy, EScrollPos W
 				}
 				if (i == numcollected)
 				{
-					new DScroller (EScroll::sc_side, dx, dy, -1, sidenum, 0, Where);
+					Create<DScroller> (EScroll::sc_side, dx, dy, -1, sidenum, 0, Where);
 				}
 			}
 		}
@ -696,11 +696,11 @@ void SetScroller (int tag, EScroll type, double dx, double dy)
 	FSectorTagIterator itr(tag);
 	while ((i = itr.Next()) >= 0)
 	{
-		new DScroller (type, dx, dy, -1, i, 0);
+		Create<DScroller> (type, dx, dy, -1, i, 0);
 	}
 }

 void P_CreateScroller(EScroll type, double dx, double dy, int control, int affectee, int accel, EScrollPos scrollpos)
 {
-	new DScroller(type, dx, dy, control, affectee, accel, scrollpos);
+	Create<DScroller>(type, dx, dy, control, affectee, accel, scrollpos);
 }
--- a/src/p_spec.cpp
+++ b/src/p_spec.cpp
@ -1133,7 +1133,7 @@ void P_InitSectorSpecial(sector_t *sector, int special)
 		break;

 	case dSector_DoorCloseIn30:
-		new DDoor(sector, DDoor::doorWaitClose, 2, 0, 0, 30 * TICRATE);
+		Create<DDoor>(sector, DDoor::doorWaitClose, 2, 0, 0, 30 * TICRATE);
 		break;
 			
 	case dDamage_End:
@ -1141,7 +1141,7 @@ void P_InitSectorSpecial(sector_t *sector, int special)
 		break;

 	case dSector_DoorRaiseIn5Mins:
-		new DDoor (sector, DDoor::doorWaitRaise, 2, TICRATE*30/7, 0, 5*60*TICRATE);
+		Create<DDoor> (sector, DDoor::doorWaitRaise, 2, TICRATE*30/7, 0, 5*60*TICRATE);
 		break;

 	case dFriction_Low:
@ -1322,19 +1322,19 @@ void P_SpawnSpecials (void)
 		// killough 3/16/98: Add support for setting
 		// floor lighting independently (e.g. lava)
 		case Transfer_FloorLight:
-			new DLightTransfer (line.frontsector, line.args[0], true);
+			Create<DLightTransfer> (line.frontsector, line.args[0], true);
 			break;

 		// killough 4/11/98: Add support for setting
 		// ceiling lighting independently
 		case Transfer_CeilingLight:
-			new DLightTransfer (line.frontsector, line.args[0], false);
+			Create<DLightTransfer> (line.frontsector, line.args[0], false);
 			break;

 		// [Graf Zahl] Add support for setting lighting
 		// per wall independently
 		case Transfer_WallLight:
-			new DWallLightTransfer (line.frontsector, line.args[0], line.args[1]);
+			Create<DWallLightTransfer> (line.frontsector, line.args[0], line.args[1]);
 			break;

 		case Sector_Attach3dMidtex:
--- a/src/p_spec.h
+++ b/src/p_spec.h
@ -190,9 +190,9 @@ public:
 	void Tick ();

 	bool IsLift() const { return m_Type == platDownWaitUpStay || m_Type == platDownWaitUpStayStone; }
+	DPlat(sector_t *sector);

 protected:
-	DPlat (sector_t *sector);

 	double	 	m_Speed;
 	double	 	m_Low;
--- a/src/p_switch.cpp
+++ b/src/p_switch.cpp
@ -103,7 +103,7 @@ static bool P_StartButton (side_t *side, int Where, FSwitchDef *Switch, const DV
 		}
 	}

-	new DActiveButton (side, Where, Switch, pos, useagain);
+	Create<DActiveButton> (side, Where, Switch, pos, useagain);
 	return true;
 }

--- a/src/p_tags.cpp
+++ b/src/p_tags.cpp
@ -382,7 +382,7 @@ DEFINE_ACTION_FUNCTION(DSectorTagIterator, Create)
 	PARAM_PROLOGUE;
 	PARAM_INT(tag);
 	PARAM_POINTER_DEF(line, line_t);
-	ACTION_RETURN_POINTER(new DSectorTagIterator(tag, line));
+	ACTION_RETURN_POINTER(Create<DSectorTagIterator>(tag, line));
 }

 DEFINE_ACTION_FUNCTION(DSectorTagIterator, Next)
@ -416,7 +416,7 @@ DEFINE_ACTION_FUNCTION(DLineIdIterator, Create)
 {
 	PARAM_PROLOGUE;
 	PARAM_INT(tag);
-	ACTION_RETURN_POINTER(new DLineIdIterator(tag));
+	ACTION_RETURN_POINTER(Create<DLineIdIterator>(tag));
 }

 DEFINE_ACTION_FUNCTION(DLineIdIterator, Next)
--- a/src/po_man.cpp
+++ b/src/po_man.cpp
@ -390,7 +390,7 @@ bool EV_RotatePoly (line_t *line, int polyNum, int speed, int byteAngle,
 			// cannot do rotations on linked polyportals.
 			break;
 		}
-		pe = new DRotatePoly(poly->tag);
+		pe = Create<DRotatePoly>(poly->tag);
 		poly->specialdata = pe;
 		poly->bBlocked = false;
 		if (byteAngle != 0)
@ -472,7 +472,7 @@ bool EV_MovePoly (line_t *line, int polyNum, double speed, DAngle angle,
 		{ // poly is already in motion
 			break;
 		}
-		pe = new DMovePoly(poly->tag);
+		pe = Create<DMovePoly>(poly->tag);
 		poly->specialdata = pe;
 		poly->bBlocked = false;
 		pe->m_Dist = dist; // Distance
@ -554,7 +554,7 @@ bool EV_MovePolyTo(line_t *line, int polyNum, double speed, const DVector2 &targ
 		{ // poly is already in motion
 			break;
 		}
-		pe = new DMovePolyTo(poly->tag);
+		pe = Create<DMovePolyTo>(poly->tag);
 		poly->specialdata = pe;
 		poly->bBlocked = false;
 		pe->m_Dist = distlen;
@ -709,7 +709,7 @@ bool EV_OpenPolyDoor(line_t *line, int polyNum, double speed, DAngle angle, int
 			break;
 		}

-		pd = new DPolyDoor(poly->tag, type);
+		pd = Create<DPolyDoor>(poly->tag, type);
 		poly->specialdata = pd;
 		if (type == PODOOR_SLIDE)
 		{
--- a/src/posix/cocoa/i_main.mm
+++ b/src/posix/cocoa/i_main.mm
@ -179,7 +179,7 @@ static void I_DetectOS()
 }


-DArgs* Args; // command line arguments
+FArgs* Args; // command line arguments


 // Newer versions of GCC than 4.2 have a bug with C++ exceptions in Objective-C++ code.
@ -188,7 +188,7 @@ DArgs* Args; // command line arguments
 void OriginalMainExcept(int argc, char** argv);
 void OriginalMainTry(int argc, char** argv)
 {
-	Args = new DArgs(argc, argv);
+	Args = new FArgs(argc, argv);

 	/*
 	 killough 1/98:
--- a/src/posix/sdl/i_main.cpp
+++ b/src/posix/sdl/i_main.cpp
@ -82,7 +82,7 @@ void Mac_I_FatalError(const char* errortext);
 // PUBLIC DATA DEFINITIONS -------------------------------------------------

 // The command line arguments.
-DArgs *Args;
+FArgs *Args;

 // PRIVATE DATA DEFINITIONS ------------------------------------------------

@ -218,7 +218,7 @@ int main (int argc, char **argv)
 	
    try
    {
-		Args = new DArgs(argc, argv);
+		Args = new FArgs(argc, argv);

 		/*
 		  killough 1/98:
--- a/src/r_data/r_interpolate.cpp
+++ b/src/r_data/r_interpolate.cpp
@ -907,7 +907,7 @@ DInterpolation *side_t::SetInterpolation(int position)
 {
 	if (textures[position].interpolation == NULL)
 	{
-		textures[position].interpolation = new DWallScrollInterpolation(this, position);
+		textures[position].interpolation = Create<DWallScrollInterpolation>(this, position);
 	}
 	textures[position].interpolation->AddRef();
 	GC::WriteBarrier(textures[position].interpolation);
@ -942,19 +942,19 @@ DInterpolation *sector_t::SetInterpolation(int position, bool attach)
 		switch (position)
 		{
 		case sector_t::CeilingMove:
-			interp = new DSectorPlaneInterpolation(this, true, attach);
+			interp = Create<DSectorPlaneInterpolation>(this, true, attach);
 			break;

 		case sector_t::FloorMove:
-			interp = new DSectorPlaneInterpolation(this, false, attach);
+			interp = Create<DSectorPlaneInterpolation>(this, false, attach);
 			break;

 		case sector_t::CeilingScroll:
-			interp = new DSectorScrollInterpolation(this, true);
+			interp = Create<DSectorScrollInterpolation>(this, true);
 			break;

 		case sector_t::FloorScroll:
-			interp = new DSectorScrollInterpolation(this, false);
+			interp = Create<DSectorScrollInterpolation>(this, false);
 			break;

 		default:
@ -981,7 +981,7 @@ DInterpolation *FPolyObj::SetInterpolation()
 	}
 	else
 	{
-		interpolation = new DPolyobjInterpolation(this);
+		interpolation = Create<DPolyobjInterpolation>(this);
 		interpolation->AddRef();
 	}
 	GC::WriteBarrier(interpolation);
--- a/src/s_sndseq.cpp
+++ b/src/s_sndseq.cpp
@ -881,7 +881,7 @@ DSeqNode *SN_StartSequence (AActor *actor, int sequence, seqtype_t type, int mod
 	}
 	if (TwiddleSeqNum (sequence, type))
 	{
-		return new DSeqActorNode (actor, sequence, modenum);
+		return Create<DSeqActorNode> (actor, sequence, modenum);
 	}
 	return NULL;
 }
@ -904,7 +904,7 @@ DSeqNode *SN_StartSequence (sector_t *sector, int chan, int sequence, seqtype_t
 	}
 	if (TwiddleSeqNum (sequence, type))
 	{
-		return new DSeqSectorNode (sector, chan, sequence, modenum);
+		return Create<DSeqSectorNode>(sector, chan, sequence, modenum);
 	}
 	return NULL;
 }
@ -928,7 +928,7 @@ DSeqNode *SN_StartSequence (FPolyObj *poly, int sequence, seqtype_t type, int mo
 	}
 	if (TwiddleSeqNum (sequence, type))
 	{
-		return new DSeqPolyNode (poly, sequence, modenum);
+		return Create<DSeqPolyNode>(poly, sequence, modenum);
 	}
 	return NULL;
 }
--- a/src/scripting/backend/codegen.cpp
+++ b/src/scripting/backend/codegen.cpp
@ -274,7 +274,7 @@ static PSymbol *FindBuiltinFunction(FName funcname, VMNativeFunction::NativeCall
 	PSymbol *sym = Namespaces.GlobalNamespace->Symbols.FindSymbol(funcname, false);
 	if (sym == nullptr)
 	{
-		PSymbolVMFunction *symfunc = new PSymbolVMFunction(funcname);
+		PSymbolVMFunction *symfunc = Create<PSymbolVMFunction>(funcname);
 		VMNativeFunction *calldec = new VMNativeFunction(func, funcname);
 		calldec->PrintableName = funcname.GetChars();
 		symfunc->Function = calldec;
@ -6809,7 +6809,7 @@ ExpEmit FxCVar::Emit(VMFunctionBuilder *build)
 //==========================================================================

 FxStackVariable::FxStackVariable(PType *type, int offset, const FScriptPosition &pos)
-	: FxMemberBase(EFX_StackVariable, new PField(NAME_None, type, 0, offset), pos)
+	: FxMemberBase(EFX_StackVariable, Create<PField>(NAME_None, type, 0, offset), pos)
 {
 }

@ -7030,13 +7030,13 @@ FxExpression *FxStructMember::Resolve(FCompileContext &ctx)
 	}
 	else if (classx->ValueType->isStruct())
 	{
-		// if this is a struct within a class or another struct we can simplify the expression by creating a new PField with a cumulative offset.
+		// if this is a struct within a class or another struct we can simplify the expression by creating a Create<PField> with a cumulative offset.
 		if (classx->ExprType == EFX_ClassMember || classx->ExprType == EFX_StructMember || classx->ExprType == EFX_GlobalVariable || classx->ExprType == EFX_StackVariable)
 		{
 			auto parentfield = static_cast<FxMemberBase *>(classx)->membervar;
 			// PFields are garbage collected so this will be automatically taken care of later.
 			// [ZZ] call ChangeSideInFlags to ensure that we don't get ui+play
-			auto newfield = new PField(NAME_None, membervar->Type, FScopeBarrier::ChangeSideInFlags(membervar->Flags | parentfield->Flags, BarrierSide), membervar->Offset + parentfield->Offset);
+			auto newfield = Create<PField>(NAME_None, membervar->Type, FScopeBarrier::ChangeSideInFlags(membervar->Flags | parentfield->Flags, BarrierSide), membervar->Offset + parentfield->Offset);
 			newfield->BitValue = membervar->BitValue;
 			static_cast<FxMemberBase *>(classx)->membervar = newfield;
 			classx->isresolved = false;	// re-resolve the parent so it can also check if it can be optimized away.
@ -7259,7 +7259,7 @@ FxExpression *FxArrayElement::Resolve(FCompileContext &ctx)

 	if (Array->isStaticArray())
 	{
-		// if this is an array within a class or another struct we can simplify the expression by creating a new PField with a cumulative offset.
+		// if this is an array within a class or another struct we can simplify the expression by creating a Create<PField> with a cumulative offset.
 		if (Array->ExprType == EFX_ClassMember || Array->ExprType == EFX_StructMember || Array->ExprType == EFX_GlobalVariable || Array->ExprType == EFX_StackVariable)
 		{
 			auto parentfield = static_cast<FxMemberBase *>(Array)->membervar;
@ -7283,12 +7283,12 @@ FxExpression *FxArrayElement::Resolve(FCompileContext &ctx)
 			return nullptr;
 		}

-		// if this is an array within a class or another struct we can simplify the expression by creating a new PField with a cumulative offset.
+		// if this is an array within a class or another struct we can simplify the expression by creating a Create<PField> with a cumulative offset.
 		if (Array->ExprType == EFX_ClassMember || Array->ExprType == EFX_StructMember || Array->ExprType == EFX_GlobalVariable || Array->ExprType == EFX_StackVariable)
 		{
 			auto parentfield = static_cast<FxMemberBase *>(Array)->membervar;
 			// PFields are garbage collected so this will be automatically taken care of later.
-			auto newfield = new PField(NAME_None, elementtype, parentfield->Flags, indexval * arraytype->ElementSize + parentfield->Offset);
+			auto newfield = Create<PField>(NAME_None, elementtype, parentfield->Flags, indexval * arraytype->ElementSize + parentfield->Offset);
 			static_cast<FxMemberBase *>(Array)->membervar = newfield;
 			Array->isresolved = false;	// re-resolve the parent so it can also check if it can be optimized away.
 			auto x = Array->Resolve(ctx);
@ -7337,7 +7337,7 @@ ExpEmit FxArrayElement::Emit(VMFunctionBuilder *build)
 		start = ExpEmit(build, REGT_POINTER);
 		build->Emit(OP_LP, start.RegNum, arrayvar.RegNum, build->GetConstantInt(0));

-		auto f = new PField(NAME_None, TypeUInt32, ismeta? VARF_Meta : 0, SizeAddr);
+		auto f = Create<PField>(NAME_None, TypeUInt32, ismeta? VARF_Meta : 0, SizeAddr);
 		static_cast<FxMemberBase *>(Array)->membervar = f;
 		static_cast<FxMemberBase *>(Array)->AddressRequested = false;
 		Array->ValueType = TypeUInt32;
@ -8149,7 +8149,7 @@ FxExpression *FxMemberFunctionCall::Resolve(FCompileContext& ctx)
 					if (Self->ExprType == EFX_StructMember || Self->ExprType == EFX_ClassMember || Self->ExprType == EFX_StackVariable)
 					{
 						auto member = static_cast<FxMemberBase*>(Self);
-						auto newfield = new PField(NAME_None, backingtype, 0, member->membervar->Offset);
+						auto newfield = Create<PField>(NAME_None, backingtype, 0, member->membervar->Offset);
 						member->membervar = newfield;
 					}
 				}
@ -8193,7 +8193,7 @@ FxExpression *FxMemberFunctionCall::Resolve(FCompileContext& ctx)
 				if (Self->ExprType == EFX_StructMember || Self->ExprType == EFX_ClassMember || Self->ExprType == EFX_GlobalVariable)
 				{
 					auto member = static_cast<FxMemberBase*>(Self);
-					auto newfield = new PField(NAME_None, TypeUInt32, VARF_ReadOnly, member->membervar->Offset + sizeof(void*));	// the size is stored right behind the pointer.
+					auto newfield = Create<PField>(NAME_None, TypeUInt32, VARF_ReadOnly, member->membervar->Offset + sizeof(void*));	// the size is stored right behind the pointer.
 					member->membervar = newfield;
 					Self = nullptr;
 					delete this;
--- a/src/scripting/decorate/thingdef_parse.cpp
+++ b/src/scripting/decorate/thingdef_parse.cpp
@ -255,12 +255,12 @@ static void ParseConstant (FScanner &sc, PSymbolTable *symt, PClassActor *cls, P
 			PSymbolConstNumeric *sym;
 			if (type == TK_Int)
 			{
-				sym = new PSymbolConstNumeric(symname, TypeSInt32);
+				sym = Create<PSymbolConstNumeric>(symname, TypeSInt32);
 				sym->Value = val.GetInt();
 			}
 			else
 			{
-				sym = new PSymbolConstNumeric(symname, TypeFloat64);
+				sym = Create<PSymbolConstNumeric>(symname, TypeFloat64);
 				sym->Float = val.GetFloat();
 			}
 			if (symt->AddSymbol (sym) == NULL)
@ -318,7 +318,7 @@ static void ParseEnum (FScanner &sc, PSymbolTable *symt, PClassActor *cls, PName
 				FScriptPosition::ErrorCounter++;
 			}
 		}
-		PSymbolConstNumeric *sym = new PSymbolConstNumeric(symname, TypeSInt32);
+		PSymbolConstNumeric *sym = Create<PSymbolConstNumeric>(symname, TypeSInt32);
 		sym->Value = currvalue;
 		if (symt->AddSymbol (sym) == NULL)
 		{
--- a/src/scripting/symbols.cpp
+++ b/src/scripting/symbols.cpp
@ -311,7 +311,7 @@ PSymbol *PSymbolTable::AddSymbol (PSymbol *sym)

 PField *PSymbolTable::AddField(FName name, PType *type, uint32_t flags, unsigned &Size, unsigned *Align)
 {
-	PField *field = new PField(name, type, flags);
+	PField *field = Create<PField>(name, type, flags);

 	// The new field is added to the end of this struct, alignment permitting.
 	field->Offset = (Size + (type->Align - 1)) & ~(type->Align - 1);
@ -345,7 +345,7 @@ PField *PSymbolTable::AddField(FName name, PType *type, uint32_t flags, unsigned

 PField *PSymbolTable::AddNativeField(FName name, PType *type, size_t address, uint32_t flags, int bitvalue)
 {
-	PField *field = new PField(name, type, flags | VARF_Native | VARF_Transient, address, bitvalue);
+	PField *field = Create<PField>(name, type, flags | VARF_Native | VARF_Transient, address, bitvalue);

 	if (AddSymbol(field) == nullptr)
 	{ // name is already in use
--- a/src/scripting/thingdef.cpp
+++ b/src/scripting/thingdef.cpp
@ -171,7 +171,7 @@ PFunction *CreateAnonymousFunction(PContainerType *containingclass, PType *retur
 	rets[0] = returntype != nullptr? returntype : TypeError;	// Use TypeError as placeholder if we do not know the return type yet.
 	SetImplicitArgs(&args, &argflags, &argnames, containingclass, fflags, flags);

-	PFunction *sym = new PFunction(containingclass, NAME_None);	// anonymous functions do not have names.
+	PFunction *sym = Create<PFunction>(containingclass, NAME_None);	// anonymous functions do not have names.
 	sym->AddVariant(NewPrototype(rets, args), argflags, argnames, nullptr, fflags, flags);
 	return sym;
 }
--- a/src/scripting/types.cpp
+++ b/src/scripting/types.cpp
@ -337,7 +337,7 @@ void PType::StaticInit()
 	TypeVector3->AddField(NAME_Y, TypeFloat64);
 	TypeVector3->AddField(NAME_Z, TypeFloat64);
 	// allow accessing xy as a vector2. This is not supposed to be serialized so it's marked transient
-	TypeVector3->Symbols.AddSymbol(new PField(NAME_XY, TypeVector2, VARF_Transient, 0));
+	TypeVector3->Symbols.AddSymbol(Create<PField>(NAME_XY, TypeVector2, VARF_Transient, 0));
 	TypeTable.AddType(TypeVector3, NAME_Struct);
 	TypeVector3->loadOp = OP_LV3;
 	TypeVector3->storeOp = OP_SV3;
@ -347,24 +347,24 @@ void PType::StaticInit()



-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_sByte, TypeSInt8));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Byte, TypeUInt8));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Short, TypeSInt16));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_uShort, TypeUInt16));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Int, TypeSInt32));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_uInt, TypeUInt32));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Bool, TypeBool));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Float, TypeFloat64));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Double, TypeFloat64));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Float32, TypeFloat32));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Float64, TypeFloat64));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_String, TypeString));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Name, TypeName));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Sound, TypeSound));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Color, TypeColor));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_State, TypeState));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Vector2, TypeVector2));
-	Namespaces.GlobalNamespace->Symbols.AddSymbol(new PSymbolType(NAME_Vector3, TypeVector3));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_sByte, TypeSInt8));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Byte, TypeUInt8));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Short, TypeSInt16));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_uShort, TypeUInt16));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Int, TypeSInt32));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_uInt, TypeUInt32));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Bool, TypeBool));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Float, TypeFloat64));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Double, TypeFloat64));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Float32, TypeFloat32));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Float64, TypeFloat64));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_String, TypeString));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Name, TypeName));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Sound, TypeSound));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Color, TypeColor));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_State, TypeState));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Vector2, TypeVector2));
+	Namespaces.GlobalNamespace->Symbols.AddSymbol(Create<PSymbolType>(NAME_Vector3, TypeVector3));
 }


@ -444,13 +444,13 @@ PInt::PInt(unsigned int size, bool unsign, bool compatible)
 	{
 		int maxval = (1u << ((8 * size) - 1)) - 1; // compute as unsigned to prevent overflow before -1
 		int minval = -maxval - 1;
-		Symbols.AddSymbol(new PSymbolConstNumeric(NAME_Min, this, minval));
-		Symbols.AddSymbol(new PSymbolConstNumeric(NAME_Max, this, maxval));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(NAME_Min, this, minval));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(NAME_Max, this, maxval));
 	}
 	else
 	{
-		Symbols.AddSymbol(new PSymbolConstNumeric(NAME_Min, this, 0u));
-		Symbols.AddSymbol(new PSymbolConstNumeric(NAME_Max, this, (1u << ((8 * size) - 1))));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(NAME_Min, this, 0u));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(NAME_Max, this, (1u << ((8 * size) - 1))));
 	}
 	SetOps();
 }
@ -799,7 +799,7 @@ void PFloat::SetSymbols(const PFloat::SymbolInitF *sym, size_t count)
 {
 	for (size_t i = 0; i < count; ++i)
 	{
-		Symbols.AddSymbol(new PSymbolConstNumeric(sym[i].Name, this, sym[i].Value));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(sym[i].Name, this, sym[i].Value));
 	}
 }

@ -807,7 +807,7 @@ void PFloat::SetSymbols(const PFloat::SymbolInitI *sym, size_t count)
 {
 	for (size_t i = 0; i < count; ++i)
 	{
-		Symbols.AddSymbol(new PSymbolConstNumeric(sym[i].Name, this, sym[i].Value));
+		Symbols.AddSymbol(Create<PSymbolConstNumeric>(sym[i].Name, this, sym[i].Value));
 	}
 }

--- a/src/scripting/zscript/zcc_compile.cpp
+++ b/src/scripting/zscript/zcc_compile.cpp
@ -329,7 +329,7 @@ ZCCCompiler::ZCCCompiler(ZCC_AST &ast, DObject *_outer, PSymbolTable &_symbols,
 					case AST_Enum:
 						zenumType = static_cast<ZCC_Enum *>(node);
 						enumType = NewEnum(zenumType->NodeName, OutNamespace);
-						OutNamespace->Symbols.AddSymbol(new PSymbolType(zenumType->NodeName, enumType));
+						OutNamespace->Symbols.AddSymbol(Create<PSymbolType>(zenumType->NodeName, enumType));
 						break;

 					case AST_Class:
@ -399,7 +399,7 @@ PSymbolTreeNode *ZCCCompiler::AddTreeNode(FName name, ZCC_TreeNode *node, PSymbo
 	}
 	else
 	{
-		auto sy = new PSymbolTreeNode(name, node);
+		auto sy = Create<PSymbolTreeNode>(name, node);
 		FString name;
 		treenodes->AddSymbol(sy);
 		return sy;
@ -549,13 +549,13 @@ void ZCCCompiler::CreateStructTypes()
 			// old versions force 'play'.
 			sf = FScopeBarrier::ChangeSideInObjectFlags(sf, FScopeBarrier::Side_Play);
 		}
-		s->strct->Symbol = new PSymbolType(s->NodeName(), s->Type());
+		s->strct->Symbol = Create<PSymbolType>(s->NodeName(), s->Type());
 		syms->AddSymbol(s->strct->Symbol);

 		for (auto e : s->Enums)
 		{
 			auto etype = NewEnum(e->NodeName, s->Type());
-			s->Type()->Symbols.AddSymbol(new PSymbolType(e->NodeName, etype));
+			s->Type()->Symbols.AddSymbol(Create<PSymbolType>(e->NodeName, etype));
 		}
 	}
 }
@ -701,7 +701,7 @@ void ZCCCompiler::CreateClassTypes()
 					c->Type()->ScopeFlags = FScopeBarrier::ChangeSideInObjectFlags(c->Type()->ScopeFlags, FScopeBarrier::Side_Play);
 				}

-				c->cls->Symbol = new PSymbolType(c->NodeName(), c->Type());
+				c->cls->Symbol = Create<PSymbolType>(c->NodeName(), c->Type());
 				OutNamespace->Symbols.AddSymbol(c->cls->Symbol);
 				Classes.Push(c);
 				OrigClasses.Delete(i--);
@ -725,7 +725,7 @@ void ZCCCompiler::CreateClassTypes()
 					Error(c->cls, "Class %s has unknown base class %s", c->NodeName().GetChars(), FName(c->cls->ParentName->Id).GetChars());
 					// create a placeholder so that the compiler can continue looking for errors.
 					c->cls->Type = NewClassType(RUNTIME_CLASS(DObject)->FindClassTentative(c->NodeName()));
-					c->cls->Symbol = new PSymbolType(c->NodeName(), c->Type());
+					c->cls->Symbol = Create<PSymbolType>(c->NodeName(), c->Type());
 					OutNamespace->Symbols.AddSymbol(c->cls->Symbol);
 					Classes.Push(c);
 					OrigClasses.Delete(i--);
@ -741,7 +741,7 @@ void ZCCCompiler::CreateClassTypes()
 	{
 		Error(c->cls, "Class %s has circular inheritance", FName(c->NodeName()).GetChars());
 		c->cls->Type = NewClassType(RUNTIME_CLASS(DObject)->FindClassTentative(c->NodeName()));
-		c->cls->Symbol = new PSymbolType(c->NodeName(), c->Type());
+		c->cls->Symbol = Create<PSymbolType>(c->NodeName(), c->Type());
 		OutNamespace->Symbols.AddSymbol(c->cls->Symbol);
 		Classes.Push(c);
 	}
@ -752,7 +752,7 @@ void ZCCCompiler::CreateClassTypes()
 		for (auto e : cd->Enums)
 		{
 			auto etype = NewEnum(e->NodeName, cd->Type());
-			cd->Type()->Symbols.AddSymbol(new PSymbolType(e->NodeName, etype));
+			cd->Type()->Symbols.AddSymbol(Create<PSymbolType>(e->NodeName, etype));
 		}
 		// Link the tree node tables. We only can do this after we know the class relations.
 		for (auto cc : Classes)
@ -872,13 +872,13 @@ void ZCCCompiler::AddConstant(ZCC_ConstantWork &constant)
 		ZCC_ExprConstant *cval = static_cast<ZCC_ExprConstant *>(val);
 		if (cval->Type == TypeString)
 		{
-			def->Symbol = new PSymbolConstString(def->NodeName, *(cval->StringVal));
+			def->Symbol = Create<PSymbolConstString>(def->NodeName, *(cval->StringVal));
 		}
 		else if (cval->Type->isInt())
 		{
 			// How do we get an Enum type in here without screwing everything up???
 			//auto type = def->Type != nullptr ? def->Type : cval->Type;
-			def->Symbol = new PSymbolConstNumeric(def->NodeName, cval->Type, cval->IntVal);
+			def->Symbol = Create<PSymbolConstNumeric>(def->NodeName, cval->Type, cval->IntVal);
 		}
 		else if (cval->Type->isFloat())
 		{
@ -886,7 +886,7 @@ void ZCCCompiler::AddConstant(ZCC_ConstantWork &constant)
 			{
 				Error(def, "Enum members must be integer values");
 			}
-			def->Symbol = new PSymbolConstNumeric(def->NodeName, cval->Type, cval->DoubleVal);
+			def->Symbol = Create<PSymbolConstNumeric>(def->NodeName, cval->Type, cval->DoubleVal);
 		}
 		else
 		{
@ -898,13 +898,13 @@ void ZCCCompiler::AddConstant(ZCC_ConstantWork &constant)
 	{
 		if (c.Type == TypeString)
 		{
-			def->Symbol = new PSymbolConstString(def->NodeName, c.GetString());
+			def->Symbol = Create<PSymbolConstString>(def->NodeName, c.GetString());
 		}
 		else if (c.Type->isInt())
 		{
 			// How do we get an Enum type in here without screwing everything up???
 			//auto type = def->Type != nullptr ? def->Type : cval->Type;
-			def->Symbol = new PSymbolConstNumeric(def->NodeName, c.Type, c.GetInt());
+			def->Symbol = Create<PSymbolConstNumeric>(def->NodeName, c.Type, c.GetInt());
 		}
 		else if (c.Type->isFloat())
 		{
@ -912,7 +912,7 @@ void ZCCCompiler::AddConstant(ZCC_ConstantWork &constant)
 			{
 				Error(def, "Enum members must be integer values");
 			}
-			def->Symbol = new PSymbolConstNumeric(def->NodeName, c.Type, c.GetFloat());
+			def->Symbol = Create<PSymbolConstNumeric>(def->NodeName, c.Type, c.GetFloat());
 		}
 		else
 		{
@ -924,7 +924,7 @@ void ZCCCompiler::AddConstant(ZCC_ConstantWork &constant)
 	if (def->Symbol == nullptr)
 	{
 		// Create a dummy constant so we don't make any undefined value warnings.
-		def->Symbol = new PSymbolConstNumeric(def->NodeName, TypeError, 0);
+		def->Symbol = Create<PSymbolConstNumeric>(def->NodeName, TypeError, 0);
 	}
 	constant.Outputtable->ReplaceSymbol(def->Symbol);
 }
@ -1025,7 +1025,7 @@ void ZCCCompiler::CompileArrays(ZCC_StructWork *work)
 				copyp += ztype->Align;
 			}
 		}
-		work->Type()->Symbols.AddSymbol(new PField(sas->Id, NewArray(ztype, values.Size()), VARF_Static | VARF_ReadOnly, (size_t)destmem));
+		work->Type()->Symbols.AddSymbol(Create<PField>(sas->Id, NewArray(ztype, values.Size()), VARF_Static | VARF_ReadOnly, (size_t)destmem));
 	}
 }

@ -1337,7 +1337,7 @@ bool ZCCCompiler::CompileFields(PContainerType *type, TArray<ZCC_VarDeclarator *
 						{
 							// This is a global variable.
 							if (fd->BitValue != 0) thisfieldtype = fd->FieldSize == 1 ? TypeUInt8 : fd->FieldSize == 2 ? TypeUInt16 : TypeUInt32;
-							PField *field = new PField(name->Name, thisfieldtype, varflags | VARF_Native | VARF_Static, fd->FieldOffset, fd->BitValue);
+							PField *field = Create<PField>(name->Name, thisfieldtype, varflags | VARF_Native | VARF_Static, fd->FieldOffset, fd->BitValue);

 							if (OutNamespace->Symbols.AddSymbol(field) == nullptr)
 							{ // name is already in use
@ -1428,7 +1428,7 @@ bool ZCCCompiler::CompileProperties(PClass *type, TArray<ZCC_Property *> &Proper
 		else qualifiedname.Format("@property@%s.%s", prefix.GetChars(), name.GetChars());

 		fields.ShrinkToFit();
-		if (!type->VMType->Symbols.AddSymbol(new PProperty(qualifiedname, fields)))
+		if (!type->VMType->Symbols.AddSymbol(Create<PProperty>(qualifiedname, fields)))
 		{
 			Error(id, "Unable to add property %s to class %s", FName(p->NodeName).GetChars(), type->TypeName.GetChars());
 		}
@ -2607,7 +2607,7 @@ void ZCCCompiler::CompileFunction(ZCC_StructWork *c, ZCC_FuncDeclarator *f, bool
 			} while (p != f->Params);
 		}

-		PFunction *sym = new PFunction(c->Type(), f->Name);
+		PFunction *sym = Create<PFunction>(c->Type(), f->Name);
 		sym->AddVariant(NewPrototype(rets, args), argflags, argnames, afd == nullptr ? nullptr : *(afd->VMPointer), varflags, useflags);
 		c->Type()->Symbols.ReplaceSymbol(sym);

--- a/src/v_text.cpp
+++ b/src/v_text.cpp
@ -454,5 +454,5 @@ DEFINE_ACTION_FUNCTION(FFont, BreakLines)

 	unsigned int count;
 	FBrokenLines *broken = V_BreakLines(self, maxwidth, text, true, &count);
-	ACTION_RETURN_OBJECT(new DBrokenLines(broken, count));
+	ACTION_RETURN_OBJECT(Create<DBrokenLines>(broken, count));
 }
--- a/src/wi_stuff.cpp
+++ b/src/wi_stuff.cpp
@ -251,7 +251,7 @@ DEFINE_ACTION_FUNCTION(DInterBackground, Create)
 {
 	PARAM_PROLOGUE;
 	PARAM_POINTER(wbst, wbstartstruct_t);
-	ACTION_RETURN_POINTER(new DInterBackground(wbst));
+	ACTION_RETURN_POINTER(Create<DInterBackground>(wbst));
 }

 //====================================================================
--- a/src/win32/i_main.cpp
+++ b/src/win32/i_main.cpp
@ -124,7 +124,7 @@ extern UINT TimerPeriod;
 // PUBLIC DATA DEFINITIONS -------------------------------------------------

 // The command line arguments.
-DArgs *Args;
+FArgs *Args;

 HINSTANCE		g_hInst;
 DWORD			SessionID;
@ -840,7 +840,7 @@ void DoMain (HINSTANCE hInstance)
 		_set_new_handler (NewFailure);
 #endif

-		Args = new DArgs(__argc, __argv);
+		Args = new FArgs(__argc, __argv);

 		// Load Win32 modules
 		Kernel32Module.Load({"kernel32.dll"});