Merge http://github.com/rheit/zdoom

src/CMakeLists.txt

@@ -9,6 +9,8 @@ endif()
 include( CheckCXXSourceCompiles )
 include( CheckFunctionExists )
 include( CheckCXXCompilerFlag )
+include( CheckIncludeFile )
+include( CheckIncludeFiles )
 include( CheckLibraryExists )
 include( FindPkgConfig )
 include( FindOpenGL )
@@ -119,7 +121,13 @@ if( WIN32 )
 		PATHS ENV DXSDK_DIR
 		PATH_SUFFIXES Include )
 	if( NOT D3D_INCLUDE_DIR )
+		# Modern versions of the Windows SDK include d3d9.h. Unfortunately,
+		# CMake cannot find this file via find_path, so we check for it using
+		# CHECK_INCLUDE_FILE.
+		CHECK_INCLUDE_FILE( d3d9.h D3D9_H_FOUND )
+		if ( NOT D3D9_H_FOUND )
 			message( SEND_ERROR "Could not find DirectX 9 header files" )
+		endif()
 	else()
 		include_directories( ${D3D_INCLUDE_DIR} )
 	endif()
@@ -128,35 +136,41 @@ if( WIN32 )
 		PATHS ENV DXSDK_DIR
 		PATH_SUFFIXES Include )
 	if( NOT XINPUT_INCLUDE_DIR )
+		# Modern versions of the Windows SDK include xinput.h. Unfortunately,
+		# CMake cannot find this file via find_path, so we check for it using
+		# CHECK_INCLUDE_FILES. windows.h must be included before xinput.h.
+		CHECK_INCLUDE_FILES( "windows.h;xinput.h" XINPUT_H_FOUND )
+		if( NOT XINPUT_H_FOUND )
 			message( WARNING "Could not find xinput.h. XInput will be disabled." )
 			add_definitions( -DNO_XINPUT )
+		endif()
 	else()
 		include_directories( ${XINPUT_INCLUDE_DIR} )
 	endif()
 
-	find_library( DX_dxguid_LIBRARY dxguid
-		PATHS ENV DXSDK_DIR
-		PATH_SUFFIXES Lib Lib/${XBITS} )
 	find_library( DX_dinput8_LIBRARY dinput8
 		PATHS ENV DXSDK_DIR
 		PATH_SUFFIXES Lib Lib/${XBITS} )
+	find_library( DX_dxguid_LIBRARY dxguid
+		PATHS ENV DXSDK_DIR
+		PATH_SUFFIXES Lib Lib/${XBITS} )
 
-	set( DX_LIBS_FOUND YES )
+	# Modern versions of the Windows SDK include dinput8.lib. Unfortunately,
-	if( NOT DX_dxguid_LIBRARY )
+	# CMake cannot find these libraries via find_library.
-		set( DX_LIBS_FOUND NO )
-	endif()
 	if( NOT DX_dinput8_LIBRARY )
-		set( DX_LIBS_FOUND NO )
+		# If we got this far, assume dinput8.lib is in the system library path.
+		set( DX_dinput8_LIBRARY dinput8 )
 	endif()
 
-	if( NOT DX_LIBS_FOUND )
+	# Modern versions of the Windows SDK do NOT include dxguid.lib. Its contents
-		message( FATAL_ERROR "Could not find DirectX 9 libraries" )
+	# were moved to dinput8.lib.
+	if( NOT DX_dxguid_LIBRARY )
+		message( STATUS "Could not find dxguid.lib. Build may fail on old Windows SDKs.")
 	endif()
 
 	set( ZDOOM_LIBS
 		wsock32
 		winmm
-		"${DX_dxguid_LIBRARY}"
 		"${DX_dinput8_LIBRARY}"
 		ole32
 		user32
@@ -167,6 +181,9 @@ if( WIN32 )
 		setupapi
 		oleaut32 
 		DelayImp )
+	if( DX_dxguid_LIBRARY )
+		list( APPEND ZDOOM_LIBS "${DX_dxguid_LIBRARY}" )
+	endif()
 else()
 	if( APPLE )
 		set( FMOD_SEARCH_PATHS "/Developer/FMOD Programmers API Mac/api" )

src/actor.h

@@ -755,6 +755,9 @@ public:
 	// What species am I?
 	virtual FName GetSpecies();
 
+	// set translation
+	void SetTranslation(const char *trname);
+
 	double GetBobOffset(double ticfrac = 0) const
 	{
 		if (!(flags2 & MF2_FLOATBOB))

src/d_main.cpp

@@ -2439,6 +2439,7 @@ void D_DoomMain (void)
 		if (!batchrun) Printf ("ParseTeamInfo: Load team definitions.\n");
 		TeamLibrary.ParseTeamInfo ();
 
+		R_ParseTrnslate();
 		PClassActor::StaticInit ();
 
 		// [GRB] Initialize player class list

src/dobject.cpp

@@ -330,9 +330,13 @@ DObject::~DObject ()
 				}
 			}
 		}
+		
+		if (nullptr != type)
+		{
 			type->DestroySpecials(this);
 		}
 	}
+}
 
 //==========================================================================
 //

src/g_shared/a_fastprojectile.cpp

@@ -54,6 +54,12 @@ void AFastProjectile::Tick ()
 	// Handle movement
 	if (!Vel.isZero() || (Z() != floorz))
 	{
+		// force some lateral movement so that collision detection works as intended.
+		if ((flags & MF_MISSILE) && Vel.X == 0 && Vel.Y == 0 && !IsZeroDamage())
+		{
+			Vel.X = MinVel;
+		}
+
 		frac = Vel / count;
 		changexy = frac.X != 0 || frac.Y != 0;
 		int ripcount = count / 8;
@@ -124,7 +130,7 @@ void AFastProjectile::Tick ()
 				P_ExplodeMissile (this, NULL, NULL);
 				return;
 			}
-			if (changexy && ripcount <= 0) 
+			if (!frac.isZero() && ripcount <= 0) 
 			{
 				ripcount = count >> 3;
 				Effect();

src/g_shared/sbarinfo_commands.cpp

@@ -1021,7 +1021,7 @@ class CommandDrawNumber : public CommandDrawString
 			usePrefix(false), interpolationSpeed(0), drawValue(0), length(3),
 			lowValue(-1), lowTranslation(CR_UNTRANSLATED), highValue(-1),
 			highTranslation(CR_UNTRANSLATED), value(CONSTANT),
-			inventoryItem(NULL)
+			inventoryItem(NULL), cvarName(nullptr)
 		{
 		}
 
@@ -1164,6 +1164,37 @@ class CommandDrawNumber : public CommandDrawString
 							inventoryItem = RUNTIME_CLASS(APowerupGiver);
 						}
 
+						if(parenthesized) sc.MustGetToken(')');
+					}
+					else if (sc.Compare("intcvar"))
+					{
+						bool parenthesized = sc.CheckToken('(');
+
+						value = INTCVAR;
+
+						if (!parenthesized || !sc.CheckToken(TK_StringConst))
+							sc.MustGetToken(TK_Identifier);
+						
+						cvarName = sc.String;
+
+						// We have a name, but make sure it exists. If not, send notification so modders
+						// are aware of the situation.
+						FBaseCVar *CVar = FindCVar(cvarName, nullptr);
+
+						if (CVar != nullptr)
+						{
+							ECVarType cvartype = CVar->GetRealType();
+
+							if (!(cvartype == CVAR_Bool || cvartype == CVAR_Int))
+							{
+								sc.ScriptMessage("CVar '%s' is not an int or bool", cvarName);
+							}
+						}
+						else
+						{
+							sc.ScriptMessage("CVar '%s' does not exist", cvarName);
+						}
+						
 						if (parenthesized) sc.MustGetToken(')');
 					}
 				}
@@ -1444,6 +1475,24 @@ class CommandDrawNumber : public CommandDrawString
 							num++;
 					}
 					break;
+				case INTCVAR:
+				{
+					FBaseCVar *CVar = GetCVar(statusBar->CPlayer->mo, cvarName);
+					if (CVar != nullptr)
+					{
+						ECVarType cvartype = CVar->GetRealType();
+
+						if (cvartype == CVAR_Bool || cvartype == CVAR_Int)
+						{
+							num = CVar->GetGenericRep(CVAR_Int).Int;
+							break;
+						}
+					}
+
+					// Fallback in case of bad cvar/type. Unset can remove a cvar at will.
+					num = 0;
+					break;
+				}
 				default: break;
 			}
 			if(interpolationSpeed != 0 && (!hudChanged || level.time == 1))
@@ -1522,6 +1571,7 @@ class CommandDrawNumber : public CommandDrawString
 			ACCURACY,
 			STAMINA,
 			KEYS,
+			INTCVAR,
 
 			CONSTANT
 		};
@@ -1544,6 +1594,7 @@ class CommandDrawNumber : public CommandDrawString
 		PClassActor			*inventoryItem;
 
 		FString				prefixPadding;
+		FString				cvarName;
 
 		friend class CommandDrawInventoryBar;
 };

src/p_acs.cpp

@@ -4379,10 +4379,11 @@ enum EACSFunctions
 	ACSF_CheckClass = 200,
 	ACSF_DamageActor, // [arookas]
 	ACSF_SetActorFlag,
+	ACSF_SetTranslation,
 
 	// ZDaemon
 	ACSF_GetTeamScore = 19620,	// (int team)
-	ACSF_SetTeamScore,			// (int team, int value)
+	ACSF_SetTeamScore,			// (int team, int value
 };
 
 int DLevelScript::SideFromID(int id, int side)
@@ -6002,6 +6003,26 @@ doplaysound:			if (funcIndex == ACSF_PlayActorSound)
 			return count;
 		}
 
+		case ACSF_SetTranslation:
+		{
+			int tid = args[0];
+			const char *trname = FBehavior::StaticLookupString(args[1]);
+			if (tid == 0)
+			{
+				if (activator != nullptr)
+					activator->SetTranslation(trname);
+			}
+			else
+			{
+				FActorIterator it(tid);
+				while ((actor = it.Next()) != nullptr)
+				{
+					actor->SetTranslation(trname);
+				}
+			}
+			return 1;
+		}
+
 		default:
 			break;
 	}

src/p_mobj.cpp

@@ -6525,6 +6525,23 @@ int AActor::ApplyDamageFactor(FName damagetype, int damage) const
 }
 
 
+void AActor::SetTranslation(const char *trname)
+{
+	if (*trname == 0)
+	{
+		// an empty string resets to the default
+		Translation = GetDefault()->Translation;
+		return;
+	}
+
+	int tnum = R_FindCustomTranslation(trname);
+	if (tnum >= 0)
+	{
+		Translation = tnum;
+	}
+	// silently ignore if the name does not exist, this would create some insane message spam otherwise.
+}
+
 //----------------------------------------------------------------------------
 //
 // DropItem handling

src/p_pspr.cpp

@@ -1049,6 +1049,25 @@ DEFINE_ACTION_FUNCTION(AActor, A_OverlayFlags)
 	return 0;
 }
 
+//---------------------------------------------------------------------------
+//
+// PROC OverlayID
+// Because non-action functions cannot acquire the ID of the overlay...
+//---------------------------------------------------------------------------
+
+DEFINE_ACTION_FUNCTION(AActor, OverlayID)
+{
+	PARAM_ACTION_PROLOGUE;
+
+	if (ACTION_CALL_FROM_PSPRITE())
+	{
+		ACTION_RETURN_INT(stateinfo->mPSPIndex);
+	}
+	ACTION_RETURN_INT(0);
+}
+
+
+
 //---------------------------------------------------------------------------
 //
 // PROC A_Lower

src/r_data/r_translate.cpp

@@ -609,26 +609,26 @@ void FRemapTable::AddToTranslation(const char *range)
 //
 //----------------------------------------------------------------------------
 
-int FRemapTable::StoreTranslation()
+int FRemapTable::StoreTranslation(int slot)
 {
 	unsigned int i;
 
-	for (i = 0; i < translationtables[TRANSLATION_Decorate].Size(); i++)
+	for (i = 0; i < translationtables[slot].Size(); i++)
 	{
-		if (*this == *translationtables[TRANSLATION_Decorate][i])
+		if (*this == *translationtables[slot][i])
 		{
 			// A duplicate of this translation already exists
-			return TRANSLATION(TRANSLATION_Decorate, i);
+			return TRANSLATION(slot, i);
 		}
 	}
-	if (translationtables[TRANSLATION_Decorate].Size() >= MAX_DECORATE_TRANSLATIONS)
+	if (translationtables[slot].Size() >= MAX_DECORATE_TRANSLATIONS)
 	{
 		I_Error("Too many DECORATE translations");
 	}
 	FRemapTable *newtrans = new FRemapTable;
 	*newtrans = *this;
-	i = translationtables[TRANSLATION_Decorate].Push(newtrans);
+	i = translationtables[slot].Push(newtrans);
-	return TRANSLATION(TRANSLATION_Decorate, i);
+	return TRANSLATION(slot, i);
 }
 
 
@@ -1197,3 +1197,90 @@ void R_GetPlayerTranslation (int color, const FPlayerColorSet *colorset, FPlayer
 
 	R_CreatePlayerTranslation (h, s, v, colorset, skin, table, NULL, NULL);
 }
+
+//----------------------------------------------------------------------------
+//
+//
+//
+//----------------------------------------------------------------------------
+static TMap<FName, int> customTranslationMap;
+
+int R_FindCustomTranslation(const char *name)
+{
+	if (name == nullptr)
+	{
+		return -1;
+	}
+	// Ice is a special case which will remain in its original slot.
+	if (!stricmp(name, "Ice"))
+	{
+		return TRANSLATION(TRANSLATION_Standard, 7);
+	}
+	int *t = customTranslationMap.CheckKey(FName(name, true));
+	return (t != nullptr)? *t : -1;
+}
+
+//----------------------------------------------------------------------------
+//
+//
+//
+//----------------------------------------------------------------------------
+
+void R_ParseTrnslate()
+{
+	customTranslationMap.Clear();
+	translationtables[TRANSLATION_Custom].Clear();
+
+	int lump;
+	int lastlump = 0;
+	while (-1 != (lump = Wads.FindLump("TRNSLATE", &lastlump)))
+	{
+		FScanner sc(lump);
+		while (sc.GetToken())
+		{
+			sc.TokenMustBe(TK_Identifier);
+
+			FName newtrans = sc.String;
+			FRemapTable *base = nullptr;
+			if (sc.CheckToken(':'))
+			{
+				sc.MustGetAnyToken();
+				if (sc.TokenType == TK_IntConst)
+				{
+					int max = 6;
+					if (sc.Number < 0 || sc.Number > max)
+					{
+						sc.ScriptError("Translation must be in the range [0,%d]", max);
+					}
+					base = translationtables[TRANSLATION_Standard][sc.Number];
+				}
+				else if (sc.TokenType == TK_Identifier)
+				{
+					int tnum = R_FindCustomTranslation(sc.String);
+					if (tnum == -1)
+					{
+						sc.ScriptError("Base translation '%s' not found in '%s'", sc.String, newtrans.GetChars());
+					}
+					base = translationtables[GetTranslationType(tnum)][GetTranslationIndex(tnum)];
+				}
+				else
+				{
+					// error out.
+					sc.TokenMustBe(TK_Identifier);
+				}
+			}
+			sc.MustGetToken('=');
+			FRemapTable NewTranslation;
+			if (base != nullptr)  NewTranslation = *base;
+			else NewTranslation.MakeIdentity();
+			do
+			{
+				sc.MustGetToken(TK_StringConst);
+				NewTranslation.AddToTranslation(sc.String);
+			} while (sc.CheckToken(','));
+
+			int trans = NewTranslation.StoreTranslation(TRANSLATION_Custom);
+			customTranslationMap[newtrans] = trans;
+		}
+	}
+}

src/r_data/r_translate.h

@@ -19,6 +19,7 @@ enum
 	TRANSLATION_Decorate,
 	TRANSLATION_Blood,
 	TRANSLATION_RainPillar,
+	TRANSLATION_Custom,
 
 	NUM_TRANSLATION_TABLES
 };
@@ -42,7 +43,7 @@ struct FRemapTable
 	void AddColorRange(int start, int end, int r1,int g1, int b1, int r2, int g2, int b2);
 	void AddDesaturation(int start, int end, double r1, double g1, double b1, double r2, double g2, double b2);
 	void AddToTranslation(const char * range);
-	int StoreTranslation();
+	int StoreTranslation(int slot);
 
 	BYTE *Remap;				// For the software renderer
 	PalEntry *Palette;			// The ideal palette this maps to
@@ -109,6 +110,9 @@ extern TArray<PalEntry> BloodTranslationColors;
 
 int CreateBloodTranslation(PalEntry color);
 
+int R_FindCustomTranslation(const char *name);
+void R_ParseTrnslate();
+
 
 
 #endif // __R_TRANSLATE_H

src/rapidjson/writer.h

@@ -321,9 +321,16 @@ protected:
     }
 
     bool WriteDouble(double d) {
+		bool ret = true;
 		if (internal::Double(d).IsNanOrInf()) {
 			if (!(writeFlags & kWriteNanAndInfFlag))
-                return false;
+			{
+				// if we abort here, the writer is left in a broken state, unable to recover, so better write a 0 in addition to returning an error.
+				ret = false;
+				d = 0;
+			}
+			else
+			{
 				if (internal::Double(d).IsNan()) {
 					PutReserve(*os_, 3);
 					PutUnsafe(*os_, 'N'); PutUnsafe(*os_, 'a'); PutUnsafe(*os_, 'N');
@@ -339,13 +346,14 @@ protected:
 				PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 'n'); PutUnsafe(*os_, 'i'); PutUnsafe(*os_, 't'); PutUnsafe(*os_, 'y');
 				return true;
 			}
+        }
 
         char buffer[25];
         char* end = internal::dtoa(d, buffer, maxDecimalPlaces_);
         PutReserve(*os_, static_cast<size_t>(end - buffer));
         for (char* p = buffer; p != end; ++p)
             PutUnsafe(*os_, static_cast<typename TargetEncoding::Ch>(*p));
-        return true;
+        return ret;
     }
 
     bool WriteString(const Ch* str, SizeType length)  {

src/serializer.cpp

@@ -217,11 +217,11 @@ struct FWriter
 	{
 		if (mWriter1)
 		{
-			if (!mWriter1->Double(k)) mWriter1->Double(0);
+			mWriter1->Double(k);
 		}
 		else if (mWriter2)
 		{
-			if (!mWriter2->Double(k)) mWriter2->Double(0);
+			mWriter2->Double(k);
 		}
 	}
 

src/thingdef/thingdef.cpp

@@ -288,7 +288,7 @@ static void FinishThingdef()
 
 			if (func == nullptr)
 			{
-				VMFunctionBuilder buildit;
+				VMFunctionBuilder buildit(true);
 
 				assert(tcall->Proto != nullptr);
 

src/thingdef/thingdef_codeptr.cpp

@@ -7412,3 +7412,18 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetVisibleRotation)
 
 	ACTION_RETURN_BOOL(true);
 }
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetTranslation)
+{
+	PARAM_SELF_PROLOGUE(AActor);
+	PARAM_STRING(trname);
+
+	self->SetTranslation(trname);
+	return 0;
+}

src/thingdef/thingdef_expression.cpp

@@ -3373,7 +3373,7 @@ FxExpression *FxClassMember::Resolve(FCompileContext &ctx)
 
 ExpEmit FxClassMember::Emit(VMFunctionBuilder *build)
 {
-	if (~membervar->Flags & VARF_Native)
+	if (build->IsActionFunc && ~membervar->Flags & VARF_Native)
 	{	// Check if this is a user-defined variable.
 		// As of right now, FxClassMember is only ever used with FxSelf.
 		// This very user variable was defined in stateowner so if
@@ -3948,15 +3948,16 @@ FxExpression *FxVMFunctionCall::Resolve(FCompileContext& ctx)
 
 //==========================================================================
 //
-// Assumption: This call is being made to generate code inside an action
+// Assumption: This call is being generated inside a function whose a0
-// method, so the first three address registers are all set up for such a
+// register is a self pointer. For action functions, a1 maps to stateowner
-// function. (self, stateowner, callingstate)
+// and a2 maps to callingstate. (self, stateowner, callingstate)
 //
 //==========================================================================
 
 ExpEmit FxVMFunctionCall::Emit(VMFunctionBuilder *build)
 {
-	assert(build->Registers[REGT_POINTER].GetMostUsed() >= 3);
+	assert((build->IsActionFunc && build->Registers[REGT_POINTER].GetMostUsed() >= NAP) ||
+		   (!build->IsActionFunc && build->Registers[REGT_POINTER].GetMostUsed() >= 1));
 	int count = (ArgList ? ArgList->Size() : 0);
 
 	if (count == 1)
@@ -3974,9 +3975,19 @@ ExpEmit FxVMFunctionCall::Emit(VMFunctionBuilder *build)
 		count += 1;
 	}
 	if (Function->Flags & VARF_Action)
+	{
+		static_assert(NAP == 3, "This code needs to be updated if NAP changes");
+		if (build->IsActionFunc)
 		{
 			build->Emit(OP_PARAM, 0, REGT_POINTER, 1);
 			build->Emit(OP_PARAM, 0, REGT_POINTER, 2);
+		}
+		else
+		{
+			int null = build->GetConstantAddress(nullptr, ATAG_GENERIC);
+			build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, null);
+			build->Emit(OP_PARAM, 0, REGT_POINTER | REGT_KONST, null);
+		}
 		count += 2;
 	}
 	// Emit code to pass explicit parameters
@@ -4967,7 +4978,8 @@ static int DecoHandleRuntimeState(VMFrameStack *stack, VMValue *param, int numpa
 
 ExpEmit FxRuntimeStateIndex::Emit(VMFunctionBuilder *build)
 {
-	assert(build->Registers[REGT_POINTER].GetMostUsed() >= 3);
+	assert(build->IsActionFunc && build->Registers[REGT_POINTER].GetMostUsed() >= 3 &&
+		"FxRuntimeStateIndex is only valid inside action functions");
 
 	ExpEmit out(build, REGT_POINTER);
 
@@ -5139,7 +5151,14 @@ int DecoFindSingleNameState(VMFrameStack *stack, VMValue *param, int numparam, V
 ExpEmit FxMultiNameState::Emit(VMFunctionBuilder *build)
 {
 	ExpEmit dest(build, REGT_POINTER);
+	if (build->IsActionFunc)
+	{
 		build->Emit(OP_PARAM, 0, REGT_POINTER, 1);		// pass stateowner
+	}
+	else
+	{
+		build->Emit(OP_PARAM, 0, REGT_POINTER, 0);		// pass self
+	}
 	for (unsigned i = 0; i < names.Size(); ++i)
 	{
 		build->EmitParamInt(names[i]);

src/thingdef/thingdef_properties.cpp

@@ -1100,9 +1100,10 @@ DEFINE_PROPERTY(translation, L, Actor)
 		for(int i = 1; i < PROP_PARM_COUNT; i++)
 		{
 			PROP_STRING_PARM(str, i);
-			if (i== 1 && PROP_PARM_COUNT == 2 && !stricmp(str, "Ice"))
+			int tnum;
+			if (i== 1 && PROP_PARM_COUNT == 2 && (tnum = R_FindCustomTranslation(str)) != -1)
 			{
-				defaults->Translation = TRANSLATION(TRANSLATION_Standard, 7);
+				defaults->Translation = tnum;
 				return;
 			}
 			else
@@ -1110,7 +1111,7 @@ DEFINE_PROPERTY(translation, L, Actor)
 				CurrentTranslation.AddToTranslation(str);
 			}
 		}
-		defaults->Translation = CurrentTranslation.StoreTranslation ();
+		defaults->Translation = CurrentTranslation.StoreTranslation (TRANSLATION_Decorate);
 	}
 }
 

src/win32/i_xinput.cpp

@@ -27,6 +27,12 @@
 
 // MACROS ------------------------------------------------------------------
 
+// This macro is defined by newer versions of xinput.h. In case we are
+// compiling with an older version, define it here.
+#ifndef XUSER_MAX_COUNT
+#define XUSER_MAX_COUNT                 4
+#endif
+
 // TYPES -------------------------------------------------------------------
 
 typedef DWORD (WINAPI *XInputGetStateType)(DWORD index, XINPUT_STATE *state);

src/zscript/vmbuilder.cpp

@@ -6,7 +6,7 @@
 //
 //==========================================================================
 
-VMFunctionBuilder::VMFunctionBuilder()
+VMFunctionBuilder::VMFunctionBuilder(bool selfcheck)
 {
 	NumIntConstants = 0;
 	NumFloatConstants = 0;
@@ -14,6 +14,7 @@ VMFunctionBuilder::VMFunctionBuilder()
 	NumStringConstants = 0;
 	MaxParam = 0;
 	ActiveParam = 0;
+	IsActionFunc = selfcheck;
 }
 
 //==========================================================================

src/zscript/vmbuilder.h

@@ -23,7 +23,7 @@ public:
 		friend class VMFunctionBuilder;
 	};
 
-	VMFunctionBuilder();
+	VMFunctionBuilder(bool checkself = false);
 	~VMFunctionBuilder();
 
 	VMScriptFunction *MakeFunction();
@@ -60,6 +60,9 @@ public:
 	// Track available registers.
 	RegAvailability Registers[4];
 
+	// For use by DECORATE's self/stateowner sanitizer.
+	bool IsActionFunc;
+
 private:
 	struct AddrKonst
 	{

wadsrc/static/actors/actor.txt

@@ -57,6 +57,7 @@ ACTOR Actor native //: Thinker
 	native float GetSpriteAngle(int ptr = AAPTR_DEFAULT);
 	native float GetSpriteRotation(int ptr = AAPTR_DEFAULT);
 	native int GetMissileDamage(int mask, int add, int ptr = AAPTR_DEFAULT);
+	action native int OverlayID();
 
 	// Action functions
 	// Meh, MBF redundant functions. Only for DeHackEd support.
@@ -344,6 +345,7 @@ ACTOR Actor native //: Thinker
 	action native bool A_SetSpriteAngle(float angle = 0, int ptr = AAPTR_DEFAULT);
 	action native bool A_SetSpriteRotation(float angle = 0, int ptr = AAPTR_DEFAULT);
 	action native bool A_SetVisibleRotation(float anglestart = 0, float angleend = 0, float pitchstart = 0, float pitchend = 0, int flags = 0, int ptr = AAPTR_DEFAULT);
+	native void A_SetTranslation(string transname);
 
 	native void A_RearrangePointers(int newtarget, int newmaster = AAPTR_DEFAULT, int newtracer = AAPTR_DEFAULT, int flags=0);
 	native void A_TransferPointer(int ptr_source, int ptr_recepient, int sourcefield, int recepientfield=AAPTR_DEFAULT, int flags=0);