Add into item_db.conf support for attribute AllowAmmo for bows.

This allow limit any arrow/ammo for any bows/guns.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/emap/battle.c b/src/emap/battle.c
new file mode 100644
index 0000000..5b333fb
--- /dev/null
+++ b/src/emap/battle.c
@@ -0,0 +1,54 @@
+// Copyright (c) Copyright (c) Hercules Dev Team, licensed under GNU GPL.
+// Copyright (c) 2014 - 2015 Evol developers
+
+#include "common/hercules.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common/HPMi.h"
+
+#include "map/itemdb.h"
+#include "map/pc.h"
+
+#include "emap/data/itemd.h"
+#include "emap/struct/itemdext.h"
+
+bool ebattle_check_arrows_post(bool retVal,
+                               struct map_session_data *sd)
+{
+    if (retVal == true)
+    {
+        if (!sd)
+            return retVal;
+        const int ammoIndex = sd->equip_index[EQI_AMMO];
+        if (ammoIndex < 0)
+            return true;
+
+        const int ammoId = sd->inventory_data[ammoIndex]->nameid;
+        if (ammoId <= 0)
+            return true;
+
+        const int weaponIndex = sd->equip_index[EQI_HAND_L];
+
+        struct ItemdExt *data = itemd_get(sd->inventory_data[weaponIndex]);
+        if (!data)
+            return true;
+
+        const int sz = VECTOR_LENGTH(data->allowedAmmo);
+
+        if (sz == 0) // allow any ammo if AllowedAmmo list is empty
+            return true;
+
+        for (int f = 0; f < sz; f ++)
+        {
+            const int id = VECTOR_INDEX(data->allowedAmmo, f);
+            if (ammoId == id)
+                return true;
+        }
+        clif->arrow_fail(sd, 0);
+        return false;
+    }
+    return true;
+}