Fix portals

- Resetting portalcullsector fixes the major visual glitches

- Using 32 bits for nummasks and i fixes crashes when rendering lots of portals

# Conflicts:
#	src/r_main.c

src/r_main.c

@@ -1500,8 +1500,7 @@ static void Mask_Post (maskcount_t* m)
 void R_RenderPlayerView(void)
 {
 	player_t * player = &players[displayplayers[viewssnum]];
-
-	UINT8			nummasks	= 1;
+	INT32			nummasks	= 1;
 	maskcount_t*	masks		= malloc(sizeof(maskcount_t));
 
 	// if this is display player 1
@@ -1572,7 +1571,6 @@ void R_RenderPlayerView(void)
 	R_ClipSprites(drawsegs, NULL);
 	ps_sw_spritecliptime = I_GetPreciseTime() - ps_sw_spritecliptime;
 
-
 	// Add skybox portals caused by sky visplanes.
 	if (cv_skybox.value && player->skybox.viewpoint)
 		Portal_AddSkyboxPortals(player);

src/r_portal.c

@@ -132,6 +132,7 @@ static portal_t* Portal_Add (const INT16 x1, const INT16 x2)
 
 void Portal_Remove (portal_t* portal)
 {
+	portalcullsector = NULL;
 	portal_base = portal->next;
 	Z_Free(portal->ceilingclip);
 	Z_Free(portal->floorclip);

src/r_things.c

@@ -3274,10 +3274,10 @@ static void R_DrawMaskedList (drawnode_t* head)
 	}
 }
 
-void R_DrawMasked(maskcount_t* masks, UINT8 nummasks)
+void R_DrawMasked(maskcount_t* masks, INT32 nummasks)
 {
 	drawnode_t *heads;	/**< Drawnode lists; as many as number of views/portals. */
-	SINT8 i;
+	INT32 i;
 
 	heads = calloc(nummasks, sizeof(drawnode_t));
 

src/r_things.h

@@ -99,7 +99,7 @@ typedef struct
 	sector_t* viewsector;
 } maskcount_t;
 
-void R_DrawMasked(maskcount_t* masks, UINT8 nummasks);
+void R_DrawMasked(maskcount_t* masks, INT32 nummasks);
 
 // ----------
 // VISSPRITES