sdl_fader: Implement blind effects

src/effect.h

@@ -22,15 +22,20 @@
 
 // Effect types of the CE command.
 enum nact_effect {
+	NACT_EFFECT_BLIND_DOWN       = 11,
 	NACT_EFFECT_FADEIN           = 27,
 	NACT_EFFECT_WHITEIN          = 28,
 	NACT_EFFECT_FADEOUT          = 29,
 	NACT_EFFECT_WHITEOUT         = 30,
 	NACT_EFFECT_CROSSFADE        = 31,
+	NACT_EFFECT_BLIND_UP         = 33,
+	NACT_EFFECT_BLIND_UP_DOWN    = 34,
 	NACT_EFFECT_PENTAGRAM_IN_OUT = 44,
 	NACT_EFFECT_PENTAGRAM_OUT_IN = 45,
 	NACT_EFFECT_HEXAGRAM_IN_OUT  = 46,
 	NACT_EFFECT_HEXAGRAM_OUT_IN  = 47,
+	NACT_EFFECT_BLIND_LR         = 48,
+	NACT_EFFECT_BLIND_RL         = 49,
 	NACT_EFFECT_WINDMILL         = 50,
 	NACT_EFFECT_WINDMILL_180     = 51,
 	NACT_EFFECT_WINDMILL_360     = 52,
@@ -43,6 +48,9 @@ enum sact_effect {
 	SACT_EFFECT_FADEIN           = 3,
 	SACT_EFFECT_WHITEOUT         = 4,
 	SACT_EFFECT_WHITEIN          = 5,
+	SACT_EFFECT_BLIND_DOWN       = 7,
+	SACT_EFFECT_BLIND_LR         = 8,
+	SACT_EFFECT_BLIND_DOWN_LR    = 9,
 	SACT_EFFECT_PENTAGRAM_IN_OUT = 14,
 	SACT_EFFECT_PENTAGRAM_OUT_IN = 15,
 	SACT_EFFECT_HEXAGRAM_IN_OUT  = 16,
@@ -63,6 +71,12 @@ enum sdl_effect {
 	EFFECT_WHITEOUT,
 	EFFECT_WHITEOUT_FROM_NEW,
 	EFFECT_WHITEIN,
+	EFFECT_BLIND_DOWN,
+	EFFECT_BLIND_UP,
+	EFFECT_BLIND_LR,
+	EFFECT_BLIND_RL,
+	EFFECT_BLIND_UP_DOWN,
+	EFFECT_BLIND_DOWN_LR,
 	EFFECT_PENTAGRAM_IN_OUT,
 	EFFECT_PENTAGRAM_OUT_IN,
 	EFFECT_HEXAGRAM_IN_OUT,