diff --git a/src/common/engine/namedef.h b/src/common/engine/namedef.h
index a67676c7a..9d5cb27ff 100644
--- a/src/common/engine/namedef.h
+++ b/src/common/engine/namedef.h
@@ -154,6 +154,8 @@ xx(Length)
 xx(LengthSquared)
 xx(Unit)
 xx(Angle)
+xx(PlusZ)
+xx(ToVector)
 xx(Size)
 xx(Push)
 xx(Insert)
diff --git a/src/common/scripting/backend/codegen.cpp b/src/common/scripting/backend/codegen.cpp
index bd597388d..6f6a8e025 100644
--- a/src/common/scripting/backend/codegen.cpp
+++ b/src/common/scripting/backend/codegen.cpp
@@ -8218,6 +8218,15 @@ FxExpression *FxMemberFunctionCall::Resolve(FCompileContext& ctx)
 	// Note: These builtins would better be relegated to the actual type objects, instead of polluting this file, but that's a task for later.
 
 	// Texture builtins.
+	if (Self->ValueType->isNumeric())
+	{
+		if (MethodName == NAME_ToVector)
+		{
+			Self = new FxToVector(Self);
+			SAFE_RESOLVE(Self, ctx);
+			return Self;
+		}
+	}
 	else if (Self->ValueType == TypeTextureID)
 	{
 		if (MethodName == NAME_IsValid || MethodName == NAME_IsNull || MethodName == NAME_Exists || MethodName == NAME_SetInvalid || MethodName == NAME_SetNull)
@@ -8263,7 +8272,7 @@ FxExpression *FxMemberFunctionCall::Resolve(FCompileContext& ctx)
 
 	else if (Self->IsVector())
 	{
-		// handle builtins: Vectors got 2: Length and Unit.
+		// handle builtins: Vectors got 5.
 		if (MethodName == NAME_Length || MethodName == NAME_LengthSquared || MethodName == NAME_Unit || MethodName == NAME_Angle)
 		{
 			if (ArgList.Size() > 0)
@@ -8277,6 +8286,20 @@ FxExpression *FxMemberFunctionCall::Resolve(FCompileContext& ctx)
 			delete this;
 			return x->Resolve(ctx);
 		}
+		else if (MethodName == NAME_PlusZ && Self->IsVector3())
+		{
+			if (ArgList.Size() != 1)
+			{
+				ScriptPosition.Message(MSG_ERROR, "Incorrect number of parameters in call to %s", MethodName.GetChars());
+				delete this;
+				return nullptr;
+			}
+			auto x = new FxVectorPlusZ(Self, MethodName, ArgList[0]);
+			Self = nullptr;
+			ArgList[0] = nullptr;
+			delete this;
+			return x->Resolve(ctx);
+		}
 	}
 
 	else if (Self->ValueType == TypeString)
@@ -9304,6 +9327,86 @@ ExpEmit FxVectorBuiltin::Emit(VMFunctionBuilder *build)
 	return to;
 }
 
+//==========================================================================
+//
+//	FxPlusZ
+//
+//==========================================================================
+
+
+FxVectorPlusZ::FxVectorPlusZ(FxExpression* self, FName name, FxExpression* z)
+	:FxExpression(EFX_VectorBuiltin, self->ScriptPosition), Function(name), Self(self), Z(new FxFloatCast(z))
+{
+}
+
+FxVectorPlusZ::~FxVectorPlusZ()
+{
+	SAFE_DELETE(Self);
+	SAFE_DELETE(Z);
+}
+
+FxExpression* FxVectorPlusZ::Resolve(FCompileContext& ctx)
+{
+	SAFE_RESOLVE(Self, ctx);
+	SAFE_RESOLVE(Z, ctx);
+	assert(Self->IsVector3());	// should never be created for anything else.
+	ValueType = Self->ValueType;
+	return this;
+}
+
+ExpEmit FxVectorPlusZ::Emit(VMFunctionBuilder* build)
+{
+	ExpEmit to(build, ValueType->GetRegType(), ValueType->GetRegCount());
+	ExpEmit op = Self->Emit(build);
+	ExpEmit z = Z->Emit(build);
+
+	build->Emit(OP_MOVEV2, to.RegNum, op.RegNum);
+	build->Emit(z.Konst ? OP_ADDF_RK : OP_ADDF_RR, to.RegNum + 2, op.RegNum + 2, z.RegNum);
+
+	op.Free(build);
+	z.Free(build);
+	return to;
+}
+
+
+//==========================================================================
+//
+//	FxPlusZ
+//
+//==========================================================================
+
+
+FxToVector::FxToVector(FxExpression* self)
+	:FxExpression(EFX_ToVector, self->ScriptPosition), Self(new FxFloatCast(self))
+{
+}
+
+FxToVector::~FxToVector()
+{
+	SAFE_DELETE(Self);
+}
+
+FxExpression* FxToVector::Resolve(FCompileContext& ctx)
+{
+	SAFE_RESOLVE(Self, ctx);
+	assert(Self->IsNumeric());	// should never be created for anything else.
+	ValueType = TypeVector2;
+	return this;
+}
+
+ExpEmit FxToVector::Emit(VMFunctionBuilder* build)
+{
+	ExpEmit to(build, ValueType->GetRegType(), ValueType->GetRegCount());
+	ExpEmit op = Self->Emit(build);
+
+	build->Emit(OP_FLOP, to.RegNum, op.RegNum, FLOP_COS_DEG);
+	build->Emit(OP_FLOP, to.RegNum + 1, op.RegNum, FLOP_SIN_DEG);
+
+	op.Free(build);
+	return to;
+}
+
+
 //==========================================================================
 //
 //
diff --git a/src/common/scripting/backend/codegen.h b/src/common/scripting/backend/codegen.h
index ca8f0ce45..e2f167420 100644
--- a/src/common/scripting/backend/codegen.h
+++ b/src/common/scripting/backend/codegen.h
@@ -285,6 +285,7 @@ enum EFxType
 	EFX_SwitchStatement,
 	EFX_CaseStatement,
 	EFX_VectorValue,
+	EFX_VectorPlusZ,
 	EFX_VectorBuiltin,
 	EFX_TypeCheck,
 	EFX_DynamicCast,
@@ -306,6 +307,7 @@ enum EFxType
 	EFX_FontCast,
 	EFX_LocalArrayDeclaration,
 	EFX_OutVarDereference,
+	EFX_ToVector,
 	EFX_COUNT
 };
 
@@ -1611,6 +1613,44 @@ public:
 	ExpEmit Emit(VMFunctionBuilder *build);
 };
 
+//==========================================================================
+//
+//	FxPlusZ
+//
+//==========================================================================
+
+class FxVectorPlusZ : public FxExpression
+{
+	FName Function;
+	FxExpression* Self;
+	FxExpression* Z;
+
+public:
+
+	FxVectorPlusZ(FxExpression* self, FName name, FxExpression*);
+	~FxVectorPlusZ();
+	FxExpression* Resolve(FCompileContext&);
+	ExpEmit Emit(VMFunctionBuilder* build);
+};
+
+//==========================================================================
+//
+//	FxPlusZ
+//
+//==========================================================================
+
+class FxToVector : public FxExpression
+{
+	FxExpression* Self;
+
+public:
+
+	FxToVector(FxExpression* self);
+	~FxToVector();
+	FxExpression* Resolve(FCompileContext&);
+	ExpEmit Emit(VMFunctionBuilder* build);
+};
+
 //==========================================================================
 //
 //	FxVectorBuiltin