Merge pull request #2718 from Kenpachi2k13/prere_use_items_skills_in_npc

Add/extend battle flags to enable item/skill usage while interacting with NPC

1 files changed, 68 insertions, 9 deletions

diff --git a/src/map/script.c b/src/map/script.c
index 0d04ea31b..763a6c51c 100644
--- a/src/map/script.c
+++ b/src/map/script.c
@@ -9135,22 +9135,71 @@ static BUILDIN(delitemidx)
 	return true;
 }
 
-/*==========================================
- * Enables/Disables use of items while in an NPC [Skotlex]
- *------------------------------------------*/
+/**
+ * Enable item actions while interacting with NPC.
+ *
+ * @code{.herc}
+ *	enableitemuse({<flag>});
+ *	enable_items({<flag>});
+ * @endcode
+ *
+ **/
 static BUILDIN(enableitemuse)
 {
+	int flag = battle_config.item_enabled_npc;
+
+	if (script_hasdata(st, 2)) {
+		if (!script_isinttype(st, 2))
+			return true;
+
+		flag = script_getnum(st, 2);
+	}
+
+	if (flag < 0)
+		return true;
+	
 	struct map_session_data *sd = script->rid2sd(st);
-	if (sd != NULL)
-		st->npc_item_flag = sd->npc_item_flag = 1;
+
+	if (sd == NULL)
+		return true;
+
+	st->npc_item_flag |= flag;
+	sd->npc_item_flag |= flag;
+
 	return true;
 }
 
+/**
+ * Disable item actions while interacting with NPC.
+ *
+ * @code{.herc}
+ *	disableitemuse({<flag>});
+ *	disable_items({<flag>});
+ * @endcode
+ *
+ **/
 static BUILDIN(disableitemuse)
 {
+	int flag = battle_config.item_enabled_npc;
+
+	if (script_hasdata(st, 2)) {
+		if (!script_isinttype(st, 2))
+			return true;
+
+		flag = script_getnum(st, 2);
+	}
+
+	if (flag < 0)
+		return true;
+	
 	struct map_session_data *sd = script->rid2sd(st);
-	if (sd != NULL)
-		st->npc_item_flag = sd->npc_item_flag = 0;
+
+	if (sd == NULL)
+		return true;
+
+	st->npc_item_flag &= ~flag;
+	sd->npc_item_flag &= ~flag;
+
 	return true;
 }
 
@@ -27197,8 +27246,8 @@ static void script_parse_builtin(void)
 		BUILDIN_DEF(delitem,"vi?"),
 		BUILDIN_DEF(delitem2,"viiiiiiii?"),
 		BUILDIN_DEF(delitemidx, "i??"),
-		BUILDIN_DEF2(enableitemuse,"enable_items",""),
-		BUILDIN_DEF2(disableitemuse,"disable_items",""),
+		BUILDIN_DEF2(enableitemuse, "enable_items", "?"),
+		BUILDIN_DEF2(disableitemuse, "disable_items", "?"),
 		BUILDIN_DEF(cutin,"si"),
 		BUILDIN_DEF(viewpoint,"iiiii"),
 		BUILDIN_DEF(heal,"ii"),
@@ -28247,6 +28296,16 @@ static void script_hardcoded_constants(void)
 	script->set_constant("PCBLOCK_COMMANDS", PCBLOCK_COMMANDS, false, false);
 	script->set_constant("PCBLOCK_NPC",      PCBLOCK_NPC,      false, false);
 
+	script->constdb_comment("NPC item action constants");
+	script->set_constant("ITEMENABLEDNPC_NONE", ITEMENABLEDNPC_NONE, false, false);
+	script->set_constant("ITEMENABLEDNPC_EQUIP", ITEMENABLEDNPC_EQUIP, false, false);
+	script->set_constant("ITEMENABLEDNPC_CONSUME", ITEMENABLEDNPC_CONSUME, false, false);
+
+	script->constdb_comment("NPC allowed skill use constants");
+	script->set_constant("SKILLENABLEDNPC_NONE", SKILLENABLEDNPC_NONE, false, false);
+	script->set_constant("SKILLENABLEDNPC_SELF", SKILLENABLEDNPC_SELF, false, false);
+	script->set_constant("SKILLENABLEDNPC_ALL", SKILLENABLEDNPC_ALL, false, false);
+
 	script->constdb_comment("private airship responds");
 	script->set_constant("P_AIRSHIP_NONE", P_AIRSHIP_NONE, false, false);
 	script->set_constant("P_AIRSHIP_RETRY", P_AIRSHIP_RETRY, false, false);