npctalk script command now accepts color parameter (#4910)

Co-authored-by: Jittapan Pluemsumran <secret@jittapan.app>
Co-authored-by: Lemongrass3110 <lemongrass3110@users.noreply.github.com>
Co-authored-by: Aleos <aleos89@users.noreply.github.com>

doc/script_commands.txt

@@ -6596,13 +6596,14 @@ Returns true if the command was executed on the other NPC successfully, false if
 
 ---------------------------------------
 
-*npctalk "<message>"{,"<NPC name>","<flag>"};
+*npctalk "<message>"{,"<NPC name>",<flag>{,<color>}};
 
 This command will display a message as if the NPC object running it was a player
 talking - that is, above their head and in the chat window.
 The display name of the NPC won't get appended in front of the message.
 If the <NPC name> option is given and not empty, then that NPC will display the message,
-else the attached NPC will display the message.
+else the attached NPC will display the message,
+the color format is in RGB (0xRRGGBB). The color is White by default.
 
 Target for <flag>:
 - bc_all  : Broadcast message is sent server-wide (only in the chat window).

src/map/script.cpp

@@ -15048,12 +15048,16 @@ BUILDIN_FUNC(npctalk)
 {
 	struct npc_data* nd = NULL;
 	const char* str = script_getstr(st,2);
+	int color = 0xFFFFFF;
 
 	if (script_hasdata(st, 3) && strlen(script_getstr(st,3)) > 0)
 		nd = npc_name2id(script_getstr(st, 3));
 	else
 		nd = (struct npc_data *)map_id2bl(st->oid);
 
+	if (script_hasdata(st, 5))
+		color = script_getnum(st, 5);
+
 	if (nd != NULL) {
 		send_target target = AREA;
 		char message[CHAT_SIZE_MAX];
@@ -15069,12 +15073,12 @@ BUILDIN_FUNC(npctalk)
 		}
 		safesnprintf(message, sizeof(message), "%s", str);
 		if (target != SELF)
-			clif_messagecolor(&nd->bl, color_table[COLOR_WHITE], message, false, target);
+			clif_messagecolor(&nd->bl, color, message, true, target);
 		else {
 			TBL_PC *sd = map_id2sd(st->rid);
 			if (sd == NULL)
 				return SCRIPT_CMD_FAILURE;
-			clif_messagecolor_target(&nd->bl, color_table[COLOR_WHITE], message, false, target, sd);
+			clif_messagecolor_target(&nd->bl, color, message, true, target, sd);
 		}
 	}
 	return SCRIPT_CMD_SUCCESS;
@@ -24950,7 +24954,7 @@ struct script_function buildin_func[] = {
 	BUILDIN_DEF2(atcommand,"charcommand","s"), // [MouseJstr]
 	BUILDIN_DEF(movenpc,"sii?"), // [MouseJstr]
 	BUILDIN_DEF(message,"ss"), // [MouseJstr]
-	BUILDIN_DEF(npctalk,"s??"), // [Valaris]
+	BUILDIN_DEF(npctalk,"s???"), // [Valaris]
 	BUILDIN_DEF(chatmes,"s?"), // [Jey]
 	BUILDIN_DEF(mobcount,"ss"),
 	BUILDIN_DEF(getlook,"i?"),