From 0e38fa59227ec3892fdeb0a9dfdd1037c9225e4d Mon Sep 17 00:00:00 2001
From: Asheraf <acheraf1998@gmail.com>
Date: Wed, 3 Oct 2018 11:30:02 +0100
Subject: Add new type for mercenary class to setquestinfo()

---
 doc/script_commands.txt |  1 +
 src/common/mmo.h        |  3 ++-
 src/map/map.h           |  1 +
 src/map/quest.c         | 27 +++++++++++++++++++++++++++
 src/map/quest.h         |  1 +
 src/map/script.c        | 12 ++++++++++++
 6 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/doc/script_commands.txt b/doc/script_commands.txt
index 343eb02cb..05b16f66f 100644
--- a/doc/script_commands.txt
+++ b/doc/script_commands.txt
@@ -9418,6 +9418,7 @@ supported types: values
 	QINFO_HOMUN_LEVEL: min
 	QINFO_HOMUN_TYPE: homunculus_type (0 - regular, 1 - evolved, 2 - S)
 	QINFO_QUEST: quest_id, state // append to the quests list on each use
+	QINFO_MERCENARY_CLASS: mercenary_class
 
 ---------------------------------------
 
diff --git a/src/common/mmo.h b/src/common/mmo.h
index d6946cecc..9bcf82cc7 100644
--- a/src/common/mmo.h
+++ b/src/common/mmo.h
@@ -1331,7 +1331,8 @@ enum questinfo_type {
 	QINFO_ITEM,
 	QINFO_HOMUN_LEVEL,
 	QINFO_HOMUN_TYPE,
-	QINFO_QUEST
+	QINFO_QUEST,
+	QINFO_MERCENARY_CLASS
 };
 
 /* packet size constant for itemlist */
diff --git a/src/map/map.h b/src/map/map.h
index d50666d4b..cb025e9c1 100644
--- a/src/map/map.h
+++ b/src/map/map.h
@@ -815,6 +815,7 @@ struct questinfo {
 	struct s_homunculus homunculus;
 	int homunculus_type;
 	VECTOR_DECL(struct questinfo_qreq) quest_requirement;
+	int mercenary_class;
 };
 
 
diff --git a/src/map/quest.c b/src/map/quest.c
index 02bf7638b..f10d6847f 100644
--- a/src/map/quest.c
+++ b/src/map/quest.c
@@ -30,6 +30,7 @@
 #include "map/itemdb.h"
 #include "map/log.h"
 #include "map/map.h"
+#include "map/mercenary.h"
 #include "map/mob.h"
 #include "map/npc.h"
 #include "map/party.h"
@@ -719,6 +720,8 @@ static bool quest_questinfo_validate(struct map_session_data *sd, struct questin
 		return false;
 	if (VECTOR_LENGTH(qi->quest_requirement) > 0 && quest->questinfo_validate_quests(sd, qi) == false)
 		return false;
+	if (qi->mercenary_class != 0 && quest->questinfo_validate_mercenary_class(sd, qi) == false)
+		return false;
 	return true;
 }
 
@@ -900,6 +903,29 @@ static bool quest_questinfo_validate_quests(struct map_session_data *sd, struct
 	return true;
 }
 
+/**
+ * Validate mercenary class required for the questinfo
+ *
+ * @param sd session data.
+ * @param qi questinfo data.
+ *
+ * @retval true if player have a mercenary with the given class.
+ * @retval false if player does NOT have a mercenary with the given class.
+ */
+static bool quest_questinfo_validate_mercenary_class(struct map_session_data *sd, struct questinfo *qi)
+{
+	nullpo_retr(false, sd);
+	nullpo_retr(false, qi);
+
+	if (sd->md == NULL)
+		return false;
+
+	if (sd->md->mercenary.class_ != qi->mercenary_class)
+		return false;
+
+	return true;
+}
+
 /**
  * Clears the questinfo data vector
  *
@@ -993,5 +1019,6 @@ void quest_defaults(void)
 	quest->questinfo_validate_homunculus_level = quest_questinfo_validate_homunculus_level;
 	quest->questinfo_validate_homunculus_type = quest_questinfo_validate_homunculus_type;
 	quest->questinfo_validate_quests = quest_questinfo_validate_quests;
+	quest->questinfo_validate_mercenary_class = quest_questinfo_validate_mercenary_class;
 	quest->questinfo_vector_clear = quest_questinfo_vector_clear;
 }
diff --git a/src/map/quest.h b/src/map/quest.h
index 305a48df1..206a7902f 100644
--- a/src/map/quest.h
+++ b/src/map/quest.h
@@ -92,6 +92,7 @@ struct quest_interface {
 	bool (*questinfo_validate_homunculus_level) (struct map_session_data *sd, struct questinfo *qi);
 	bool (*questinfo_validate_homunculus_type) (struct map_session_data *sd, struct questinfo *qi);
 	bool (*questinfo_validate_quests) (struct map_session_data *sd, struct questinfo *qi);
+	bool (*questinfo_validate_mercenary_class) (struct map_session_data *sd, struct questinfo *qi);
 	void (*questinfo_vector_clear) (int m);
 };
 
diff --git a/src/map/script.c b/src/map/script.c
index b787d0138..70adddfe2 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -21190,6 +21190,17 @@ static BUILDIN(setquestinfo)
 		VECTOR_PUSH(qi->quest_requirement, quest_req);
 		break;
 	}
+	case QINFO_MERCENARY_CLASS:
+	{
+		int mer_class = script_getnum(st, 3);
+
+		if (!mercenary->class(mer_class)) {
+			ShowWarning("buildin_setquestinfo: invalid mercenary class given (%d).\n", mer_class);
+			return false;
+		}
+		qi->mercenary_class = mer_class;
+		break;
+	}
 	default:
 		ShowWarning("buildin_setquestinfo: invalid type given (%u).\n", type);
 		return false;
@@ -25930,6 +25941,7 @@ static void script_hardcoded_constants(void)
 	script->set_constant("QINFO_HOMUN_LEVEL", QINFO_HOMUN_LEVEL, false, false);
 	script->set_constant("QINFO_HOMUN_TYPE", QINFO_HOMUN_TYPE, false, false);
 	script->set_constant("QINFO_QUEST", QINFO_QUEST, false, false);
+	script->set_constant("QINFO_MERCENARY_CLASS", QINFO_MERCENARY_CLASS, false, false);
 
 	script->constdb_comment("function types");
 	script->set_constant("FUNCTION_IS_COMMAND", FUNCTION_IS_COMMAND, false, false);
-- 
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