src/hardware/hw_main.c

@@ -94,6 +94,11 @@ consvar_t cv_grportals = {"gr_portals", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL,
 consvar_t cv_nostencil = {"nostencil", "Off", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_portalline = {"portalline", "0", 0, CV_Unsigned, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_portalonly = {"portalonly", "Off", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
+
+CV_PossibleValue_t secbright_cons_t[] = {{0, "MIN"}, {255, "MAX"}, {0, NULL}};
+consvar_t cv_secbright = {"secbright", "0", CV_SAVE, secbright_cons_t,
+							NULL, 0, NULL, NULL, 0, 0, NULL};
+							 
 // values for the far clipping plane
 static float clipping_distances[] = {1024.0f, 2048.0f, 4096.0f, 6144.0f, 8192.0f, 12288.0f, 16384.0f};
 // values for bsp culling
@@ -441,7 +446,7 @@ void HWR_Lighting(FSurfaceInfo *Surface, INT32 light_level, extracolormap_t *col
 	}
 
 	// Clamp the light level, since it can sometimes go out of the 0-255 range from animations
-	light_level = min(max(light_level, 0), 255);
+	light_level = min(max(light_level, cv_secbright.value), 255);
 
 	Surface->PolyColor.rgba = poly_color.rgba;
 	Surface->TintColor.rgba = tint_color.rgba;
@@ -5995,6 +6000,7 @@ void HWR_AddCommands(void)
 	CV_RegisterVar(&cv_nostencil);
 	CV_RegisterVar(&cv_portalline);
 	CV_RegisterVar(&cv_portalonly);
+	CV_RegisterVar(&cv_secbright);
 }
 
 // --------------------------------------------------------------------------

src/hardware/hw_main.h

@@ -177,6 +177,7 @@ extern consvar_t cv_grrenderdistance;
 extern consvar_t cv_grusecustomshaders;
 extern consvar_t cv_grportals;
 extern consvar_t cv_nostencil;
+extern consvar_t cv_secbright;
 
 extern CV_PossibleValue_t granisotropicmode_cons_t[];
 

src/hardware/r_opengl/r_opengl.c

@@ -1405,7 +1405,7 @@ EXPORT void HWRAPI(SetBlend) (FBITFIELD PolyFlags)
 					// Sryder: Fog
 					// multiplies input colour by input alpha, and destination colour by input colour, then adds them
 					pglBlendFunc(GL_SRC_ALPHA, GL_SRC_COLOR);
-					pglAlphaFunc(GL_NOTEQUAL, 0.0f);
+					pglAlphaFunc(GL_ALWAYS, 0.0f); // Don't discard zero alpha fragments
 					break;
 				default : // must be 0, otherwise it's an error
 					// No blending

src/m_menu.c

@@ -1688,8 +1688,9 @@ static menuitem_t OP_SaturnMenu[] =
 	{IT_STRING | IT_CVAR, NULL, "Serverqueue waittime", 	&cv_connectawaittime, 	 40},
 	{IT_STRING | IT_CVAR, NULL, "Addon Download Speed", 	&cv_downloadspeed, 		 55},
 	{IT_STRING | IT_CVAR, NULL, "Less Flicker effects", 	&cv_lessflicker, 		 70},
-	{IT_SUBMENU|IT_STRING,	NULL,	"Player distortion...", &OP_PlayerDistortDef,	 90},
-	{IT_SUBMENU|IT_STRING,	NULL,	"Hud Offsets...", 		&OP_HudOffsetDef,		 105},
+	{IT_STRING | IT_CVAR, NULL, "Min Shader Brightness", 	&cv_secbright, 		 80},
+	{IT_SUBMENU|IT_STRING,	NULL,	"Player distortion...", &OP_PlayerDistortDef,	 100},
+	{IT_SUBMENU|IT_STRING,	NULL,	"Hud Offsets...", 		&OP_HudOffsetDef,		 115},
 
 	//{IT_SUBMENU|IT_STRING,	NULL,	"Saturn Credits", 		&OP_SaturnCreditsDef,		 130},
 };