Update sc_end_class (#2673)

* Adjusted script command sc_end_class to accept an optional job ID.
Thanks to @sader1992!

doc/script_commands.txt

@@ -5350,7 +5350,7 @@ Used in reset NPC's (duh!)
 *sc_start2 <effect type>,<ticks>,<value 1>,<value 2>{,<rate>,<flag>{,<GID>}};
 *sc_start4 <effect type>,<ticks>,<value 1>,<value 2>,<value 3>,<value 4>{,<rate>,<flag>{,<GID>}};
 *sc_end <effect type>{,<GID>};
-*sc_end_class {<char_id>};
+*sc_end_class {<char_id>{,<job_id>}};
 
 These commands will bestow a status effect on a character.
 
@@ -5389,7 +5389,7 @@ and theirs val1, val2, val3, and val4 usage in source.
 perform a complete removal of all statuses (although permanent ones will re-apply).
 
 'sc_end_class' works like 'sc_end' but will remove all status effects from any learned
-skill on the invoking character.
+skill on the invoking character. If <job_id> is provided it will end the effect for that job.
 
 Examples:
 	// This will poison the invoking character for 10 minutes at 50% chance.
@@ -5407,6 +5407,18 @@ Examples:
 
 	// This will end the Freezing status for the invoking character.
 	sc_end SC_FREEZE;
+	
+	// This will end the effect of any learned skill for the invoking character.
+	sc_end_class;
+	
+	// This will end the effect of any learned skill for the character with the <char_id> 150000.
+	// val1: <char_id>
+	sc_end_class(150000);
+	
+	// This will end the effect of any Arch Bishop skill for the invoking character.
+	// val1: <char_id>
+	// val2: <job_id> of Arch Bishop
+	sc_end_class(getcharid(0),Job_Arch_Bishop);
 
 Note: to use SC_NOCHAT you should alter Manner
 	set Manner, -5;	// Will mute a user for 5 minutes

src/map/script.cpp

@@ -11325,18 +11325,29 @@ BUILDIN_FUNC(sc_end)
 
 /**
  * Ends all status effects from any learned skill on the attached player.
- * sc_end_class {<char_id>};
+ * if <job_id> was given it will end the effect of that class for the attached player
+ * sc_end_class {<char_id>{,<job_id>}};
  */
 BUILDIN_FUNC(sc_end_class)
 {
 	struct map_session_data *sd;
 	uint16 skill_id;
-	int i;
+	int class_;
 
 	if (!script_charid2sd(2, sd))
 		return SCRIPT_CMD_FAILURE;
 
-	for (i = 0; i < MAX_SKILL_TREE && (skill_id = skill_tree[pc_class2idx(sd->status.class_)][i].skill_id) > 0; i++) { // Remove status specific to your current tree skills.
+	if (script_hasdata(st, 3))
+		class_ = script_getnum(st, 3);
+	else
+		class_ = sd->status.class_;
+
+	if (!pcdb_checkid(class_)) {
+		ShowError("buildin_sc_end_class: Invalid job ID '%d' given.\n", script_getnum(st, 3));
+		return SCRIPT_CMD_FAILURE;
+	}
+
+	for (int i = 0; i < MAX_SKILL_TREE && (skill_id = skill_tree[pc_class2idx(class_)][i].skill_id) > 0; i++) {
 		enum sc_type sc = status_skill2sc(skill_id);
 
 		if (sc > SC_COMMON_MAX && sd->sc.data[sc])
@@ -23882,7 +23893,7 @@ struct script_function buildin_func[] = {
 	BUILDIN_DEF2(sc_start,"sc_start2","iiii???"),
 	BUILDIN_DEF2(sc_start,"sc_start4","iiiiii???"),
 	BUILDIN_DEF(sc_end,"i?"),
-	BUILDIN_DEF(sc_end_class,"?"),
+	BUILDIN_DEF(sc_end_class,"??"),
 	BUILDIN_DEF(getstatus, "i??"),
 	BUILDIN_DEF(getscrate,"ii?"),
 	BUILDIN_DEF(debugmes,"s"),