Star Gladiator Miracle Chance (#8460)

- Reduced default chance of Miracle to occur from 0.02% to 0.005%
- Chance of Miracle to occur is now further reduced if AGI is above 46
- Fixes #8445

conf/battle/skill.conf

@@ -270,8 +270,10 @@ allow_skill_without_day: no
 // Allow use of ES-type magic on players?
 allow_es_magic_player: no
 
-// Miracle of the Sun, Moon and Stars skill ratio (100% = 10000)
-sg_miracle_skill_ratio: 2
+// Miracle of the Sun, Moon and Stars skill ratio
+// Valid values range from 1 (0.005% per hit) to 20000 (100% per hit)
+// This chance is further reduced if AGI is above 46 (92 = halved chance)
+sg_miracle_skill_ratio: 1
 
 // Miracle of the Sun, Moon and Stars skill duration in milliseconds
 sg_miracle_skill_duration: 3600000

src/map/battle.cpp

@@ -11247,7 +11247,7 @@ static const struct _battle_data {
 	{ "mob_status_def_rate",                &battle_config.mob_sc_def_rate,                 100,    0,      INT_MAX,        },
 	{ "pc_max_status_def",                  &battle_config.pc_max_sc_def,                   100,    0,      INT_MAX,        },
 	{ "mob_max_status_def",                 &battle_config.mob_max_sc_def,                  100,    0,      INT_MAX,        },
-	{ "sg_miracle_skill_ratio",             &battle_config.sg_miracle_skill_ratio,          1,      0,      10000,          },
+	{ "sg_miracle_skill_ratio",             &battle_config.sg_miracle_skill_ratio,          1,      0,      20000,          },
 	{ "sg_angel_skill_ratio",               &battle_config.sg_angel_skill_ratio,            10,     0,      10000,          },
 	{ "autospell_stacking",                 &battle_config.autospell_stacking,              0,      0,      1,              },
 	{ "override_mob_names",                 &battle_config.override_mob_names,              0,      0,      2,              },

src/map/skill.cpp

@@ -2625,8 +2625,12 @@ int skill_counter_additional_effect (struct block_list* src, struct block_list *
 	}
 
 	if(sd && (sd->class_&MAPID_UPPERMASK) == MAPID_STAR_GLADIATOR &&
-		map_getmapflag(sd->bl.m, MF_NOSUNMOONSTARMIRACLE) == 0)	//SG_MIRACLE [Komurka]
-		status_change_start(src,src,SC_MIRACLE,battle_config.sg_miracle_skill_ratio,1,0,0,0,battle_config.sg_miracle_skill_duration,SCSTART_NONE);
+		map_getmapflag(sd->bl.m, MF_NOSUNMOONSTARMIRACLE) == 0) {	//SG_MIRACLE [Komurka]
+		// 0.005% chance per sg_miracle_skill_ratio
+		// Chance is further reduced if agi is above 46
+		if (rnd_chance(battle_config.sg_miracle_skill_ratio, 20000) && rnd_chance(46, (int)sd->battle_status.agi))
+			sc_start(src, src, SC_MIRACLE, 100, 1, battle_config.sg_miracle_skill_duration);
+	}
 
 	if(sd && skill_id && attack_type&BF_MAGIC && status_isdead(bl) &&
 	 	!(skill_get_inf(skill_id)&(INF_GROUND_SKILL|INF_SELF_SKILL)) &&