diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 153c3b597..ee64df4d0 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -3322,6 +3322,22 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetTranslucent)
 	return 0;
 }
 
+//===========================================================================
+//
+// A_SetRenderStyle
+//
+//===========================================================================
+DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_SetRenderStyle)
+{
+	PARAM_SELF_PROLOGUE(AActor);
+	PARAM_FLOAT(alpha);
+	PARAM_INT_OPT(mode) { mode = 0; }
+
+	self->Alpha = clamp(alpha, 0., 1.);
+	self->RenderStyle = ERenderStyle(mode);
+	return 0;
+}
+
 //===========================================================================
 //
 // A_FadeIn
diff --git a/wadsrc/static/actors/actor.txt b/wadsrc/static/actors/actor.txt
index 3354b91d6..fc73b02f3 100644
--- a/wadsrc/static/actors/actor.txt
+++ b/wadsrc/static/actors/actor.txt
@@ -218,6 +218,7 @@ ACTOR Actor native //: Thinker
 	native void A_LogInt(int whattoprint);
 	native void A_LogFloat(float whattoprint);
 	native void A_SetTranslucent(float alpha, int style = 0);
+	native void A_SetRenderStyle(float alpha, int style = 0);
 	action native A_FadeIn(float reduce = 0.1, int flags = 0);
 	action native A_FadeOut(float reduce = 0.1, int flags = 1); //bool remove == true
 	native void A_FadeTo(float target, float amount = 0.1, int flags = 0);
diff --git a/wadsrc/static/actors/constants.txt b/wadsrc/static/actors/constants.txt
index bd6d65643..dce2488c2 100644
--- a/wadsrc/static/actors/constants.txt
+++ b/wadsrc/static/actors/constants.txt
@@ -689,4 +689,22 @@ enum
 
 	VRF_NOANGLE = VRF_NOANGLESTART|VRF_NOANGLEEND,
 	VRF_NOPITCH = VRF_NOPITCHSTART|VRF_NOPITCHEND,
-};
\ No newline at end of file
+};
+
+enum
+{
+	STYLE_None,
+	STYLE_Normal,
+	STYLE_Fuzzy,
+	STYLE_SoulTrans,
+	STYLE_OptFuzzy,
+	STYLE_Stencil,
+	STYLE_Translucent,
+	STYLE_Add,
+	STYLE_Shaded,
+	STYLE_TranslucentStencil,
+	STYLE_Shadow,
+	STYLE_Subtract,
+	STYLE_AddStencil,
+	STYLE_AddShaded,
+};