Infinite Endure Config (#9236)

- Added config that allows to make certain bl types always have the endure effect
- Updated comment on damage_delay_rate configs that no longer grant endure since 420ebb2
- Fixes #9235

conf/battle/battle.conf

@@ -46,9 +46,15 @@ damage_walk_delay_rate: 100
 multihit_delay: 80
 
 // Damaged delay rate for players (Note 2)
-// (Setting to no/0  will be like always endure)
+// This affects the damage delay that is sent to the client and is the base value for the walk delay.
 player_damage_delay_rate: 100
 
+// Always have endure? (Note 3)
+// The unit types defined here cannot be stopped by damage.
+// Please note that criticals can't be displayed on targets with endure due to a client limitation.
+// That means this setting makes it impossible to display critical hits on these unit types.
+infinite_endure: 0
+
 // Should race or element be used to consider someone undead?
 // 0 = element undead
 // 1 = race undead

conf/battle/monster.conf

@@ -122,8 +122,8 @@ monster_active_enable: yes
 // 2: always use the mob_db JName column (original Kro mob name)
 override_mob_names: 0
 
-// Monster damage delay rate (Note 1)
-// Setting to no/0 is like they always have endure.
+// Monster damage delay rate (Note 2)
+// This affects the damage delay that is sent to the client and is the base value for the walk delay.
 monster_damage_delay_rate: 100
 
 // Looting monster actions.

src/map/battle.cpp

@@ -11578,6 +11578,7 @@ static const struct _battle_data {
 	{ "pc_damage_walk_delay_rate",          &battle_config.pc_walk_delay_rate,              20,     0,      INT_MAX,        },
 	{ "damage_walk_delay_rate",             &battle_config.walk_delay_rate,                 100,    0,      INT_MAX,        },
 	{ "multihit_delay",                     &battle_config.multihit_delay,                  80,     0,      INT_MAX,        },
+	{ "infinite_endure",                    &battle_config.infinite_endure,                 BL_NUL, BL_NUL, BL_ALL,         },
 	{ "quest_skill_learn",                  &battle_config.quest_skill_learn,               0,      0,      1,              },
 	{ "quest_skill_reset",                  &battle_config.quest_skill_reset,               0,      0,      1,              },
 	{ "basic_skill_check",                  &battle_config.basic_skill_check,               1,      0,      1,              },

src/map/battle.hpp

@@ -229,6 +229,7 @@ struct Battle_Config
 	int32 pc_walk_delay_rate; //Adjusts can't walk delay after being hit for players. [Skotlex]
 	int32 walk_delay_rate; //Adjusts can't walk delay after being hit. [Skotlex]
 	int32 multihit_delay;  //Adjusts can't walk delay per hit on multi-hitting skills. [Skotlex]
+	int32 infinite_endure; // Always have endure
 	int32 quest_skill_learn;
 	int32 quest_skill_reset;
 	int32 basic_skill_check;

src/map/status.cpp

@@ -9278,6 +9278,10 @@ int32 status_isimmune(struct block_list *bl)
  */
 bool status_isendure(block_list& bl, t_tick tick, bool visible)
 {
+	// If bl type is set to always have endure, we don't need to check anything else
+	if (battle_config.infinite_endure&bl.type)
+		return true;
+
 	// Officially the bonus "no_walk_delay" is actually just SC_ENDURE with unlimited duration.
 	// Endure is forbidden on some maps, but the bonus is still set to true on such maps.
 	// That's why we need to check it here and disable the bonus to correctly mimic official behavior.