diff --git a/src/p_setup.c b/src/p_setup.c
index 96a901a55..100de27e5 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1130,8 +1130,7 @@ static void P_LoadSidedefs(UINT8 *data)
 			case 455: // Fade colormaps! mazmazz 9/12/2018 (:flag_us:)
 				// SoM: R_CreateColormap will only create a colormap in software mode...
 				// Perhaps we should just call it instead of doing the calculations here.
-				sd->colormap_data = R_CreateColormap(msd->toptexture, msd->midtexture,
-					msd->bottomtexture);
+				sd->colormap_data = R_CreateColormapFromLinedef(msd->toptexture, msd->midtexture, msd->bottomtexture);
 				sd->toptexture = sd->midtexture = sd->bottomtexture = 0;
 				break;
 
@@ -1384,6 +1383,19 @@ static void ParseTextmapVertexParameter(UINT32 i, char *param, char *val)
 	}
 }
 
+typedef struct textmap_colormap_s {
+	boolean used;
+	INT32 lightcolor;
+	UINT8 lightalpha;
+	INT32 fadecolor;
+	UINT8 fadealpha;
+	UINT8 fadestart;
+	UINT8 fadeend;
+	UINT8 flags;
+} textmap_colormap_t;
+
+textmap_colormap_t textmap_colormap = { false, 0, 25, 0, 25, 0, 31, 0 };
+
 static void ParseTextmapSectorParameter(UINT32 i, char *param, char *val)
 {
 	if (fastcmp(param, "heightfloor"))
@@ -1412,6 +1424,46 @@ static void ParseTextmapSectorParameter(UINT32 i, char *param, char *val)
 		sectors[i].floorpic_angle = FixedAngle(FLOAT_TO_FIXED(atof(val)));
 	else if (fastcmp(param, "rotationceiling"))
 		sectors[i].ceilingpic_angle = FixedAngle(FLOAT_TO_FIXED(atof(val)));
+	else if (fastcmp(param, "lightcolor"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.lightcolor = atol(val);
+	}
+	else if (fastcmp(param, "lightalpha"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.lightalpha = atol(val);
+	}
+	else if (fastcmp(param, "fadecolor"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.fadecolor = atol(val);
+	}
+	else if (fastcmp(param, "fadealpha"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.fadealpha = atol(val);
+	}
+	else if (fastcmp(param, "fadestart"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.fadestart = atol(val);
+	}
+	else if (fastcmp(param, "fadeend"))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.fadeend = atol(val);
+	}
+	else if (fastcmp(param, "colormapfog") && fastcmp("true", val))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.flags |= CMF_FOG;
+	}
+	else if (fastcmp(param, "colormapfadesprites") && fastcmp("true", val))
+	{
+		textmap_colormap.used = true;
+		textmap_colormap.flags |= CMF_FADEFULLBRIGHTSPRITES;
+	}
 }
 
 static void ParseTextmapSidedefParameter(UINT32 i, char *param, char *val)
@@ -1585,6 +1637,14 @@ static void TextmapFixFlatOffsets(sector_t *sec)
 	}
 }
 
+static INT32 P_ColorToRGBA(INT32 color, UINT8 alpha)
+{
+	UINT8 r = (color >> 16) & 0xFF;
+	UINT8 g = (color >> 8) & 0xFF;
+	UINT8 b = color & 0xFF;
+	return R_PutRgbaRGBA(r, g, b, alpha);
+}
+
 /** Loads the textmap data, after obtaining the elements count and allocating their respective space.
   */
 static void P_LoadTextmap(void)
@@ -1638,8 +1698,22 @@ static void P_LoadTextmap(void)
 
 		sc->floorpic_angle = sc->ceilingpic_angle = 0;
 
+		textmap_colormap.used = false;
+		textmap_colormap.lightcolor = 0;
+		textmap_colormap.lightalpha = 25;
+		textmap_colormap.fadecolor = 0;
+		textmap_colormap.fadealpha = 25;
+		textmap_colormap.fadestart = 0;
+		textmap_colormap.fadeend = 31;
+		textmap_colormap.flags = 0;
 		TextmapParse(sectorsPos[i], i, ParseTextmapSectorParameter);
 		P_InitializeSector(sc);
+		if (textmap_colormap.used)
+		{
+			INT32 rgba = P_ColorToRGBA(textmap_colormap.lightcolor, textmap_colormap.lightalpha);
+			INT32 fadergba = P_ColorToRGBA(textmap_colormap.fadecolor, textmap_colormap.fadealpha);
+			sc->extra_colormap = R_CreateColormap(rgba, fadergba, textmap_colormap.fadestart, textmap_colormap.fadeend, textmap_colormap.flags);
+		}
 		TextmapFixFlatOffsets(sc);
 	}
 
diff --git a/src/r_data.c b/src/r_data.c
index f5a24c2c4..776292c46 100644
--- a/src/r_data.c
+++ b/src/r_data.c
@@ -2046,7 +2046,7 @@ extracolormap_t *R_ColormapForName(char *name)
 #endif
 
 //
-// R_CreateColormap
+// R_CreateColormapFromLinedef
 //
 // This is a more GL friendly way of doing colormaps: Specify colormap
 // data in a special linedef's texture areas and use that to generate
@@ -2185,10 +2185,8 @@ lighttable_t *R_CreateLightTable(extracolormap_t *extra_colormap)
 	return lighttable;
 }
 
-extracolormap_t *R_CreateColormap(char *p1, char *p2, char *p3)
+extracolormap_t *R_CreateColormapFromLinedef(char *p1, char *p2, char *p3)
 {
-	extracolormap_t *extra_colormap, *exc;
-
 	// default values
 	UINT8 cr = 0, cg = 0, cb = 0, ca = 0, cfr = 0, cfg = 0, cfb = 0, cfa = 25;
 	UINT32 fadestart = 0, fadeend = 31;
@@ -2311,6 +2309,13 @@ extracolormap_t *R_CreateColormap(char *p1, char *p2, char *p3)
 	rgba = R_PutRgbaRGBA(cr, cg, cb, ca);
 	fadergba = R_PutRgbaRGBA(cfr, cfg, cfb, cfa);
 
+	return R_CreateColormap(rgba, fadergba, fadestart, fadeend, flags);
+}
+
+extracolormap_t *R_CreateColormap(INT32 rgba, INT32 fadergba, UINT8 fadestart, UINT8 fadeend, UINT8 flags)
+{
+	extracolormap_t *extra_colormap;
+
 	// Did we just make a default colormap?
 #ifdef EXTRACOLORMAPLUMPS
 	if (R_CheckDefaultColormapByValues(true, true, true, rgba, fadergba, fadestart, fadeend, flags, LUMPERROR))
@@ -2322,17 +2327,16 @@ extracolormap_t *R_CreateColormap(char *p1, char *p2, char *p3)
 
 	// Look for existing colormaps
 #ifdef EXTRACOLORMAPLUMPS
-	exc = R_GetColormapFromListByValues(rgba, fadergba, fadestart, fadeend, flags, LUMPERROR);
+	extra_colormap = R_GetColormapFromListByValues(rgba, fadergba, fadestart, fadeend, flags, LUMPERROR);
 #else
-	exc = R_GetColormapFromListByValues(rgba, fadergba, fadestart, fadeend, flags);
+	extra_colormap = R_GetColormapFromListByValues(rgba, fadergba, fadestart, fadeend, flags);
 #endif
-	if (exc)
-		return exc;
+	if (extra_colormap)
+		return extra_colormap;
 
-	CONS_Debug(DBG_RENDER, "Creating Colormap: rgba(%d,%d,%d,%d) fadergba(%d,%d,%d,%d)\n",
-		cr, cg, cb, ca, cfr, cfg, cfb, cfa);
+	CONS_Debug(DBG_RENDER, "Creating Colormap: rgba(%x) fadergba(%x)\n", rgba, fadergba);
 
-	extra_colormap = Z_Calloc(sizeof (*extra_colormap), PU_LEVEL, NULL);
+	extra_colormap = Z_Calloc(sizeof(*extra_colormap), PU_LEVEL, NULL);
 
 	extra_colormap->fadestart = (UINT16)fadestart;
 	extra_colormap->fadeend = (UINT16)fadeend;
diff --git a/src/r_data.h b/src/r_data.h
index 0569893cd..114a2072b 100644
--- a/src/r_data.h
+++ b/src/r_data.h
@@ -147,7 +147,8 @@ boolean R_CheckEqualColormaps(extracolormap_t *exc_a, extracolormap_t *exc_b, bo
 extracolormap_t *R_GetColormapFromList(extracolormap_t *extra_colormap);
 
 lighttable_t *R_CreateLightTable(extracolormap_t *extra_colormap);
-extracolormap_t *R_CreateColormap(char *p1, char *p2, char *p3);
+extracolormap_t * R_CreateColormapFromLinedef(char *p1, char *p2, char *p3);
+extracolormap_t* R_CreateColormap(INT32 rgba, INT32 fadergba, UINT8 fadestart, UINT8 fadeend, UINT8 flags);
 extracolormap_t *R_AddColormaps(extracolormap_t *exc_augend, extracolormap_t *exc_addend,
 	boolean subR, boolean subG, boolean subB, boolean subA,
 	boolean subFadeR, boolean subFadeG, boolean subFadeB, boolean subFadeA,