From b697b14764f18978c7894113adbad86637cbcdcc Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 12 Jan 2016 14:45:02 +0300
Subject: Add script command for get item amount from one craft slot.

New script command: getcraftslotamount id, slot
---
 src/emap/init.c   |  1 +
 src/emap/script.c | 34 ++++++++++++++++++++++++++++++++++
 src/emap/script.h |  1 +
 3 files changed, 36 insertions(+)

diff --git a/src/emap/init.c b/src/emap/init.c
index 7a00569..b71ac37 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -104,6 +104,7 @@ HPExport void plugin_init (void)
     addScriptCommand("dumpcraft", "i", dumpCraft);
     addScriptCommand("deletecraft", "i", deleteCraft);
     addScriptCommand("getcraftslotid", "ii", getCraftSlotId);
+    addScriptCommand("getcraftslotamount", "ii", getCraftSlotAmount);
     addScriptCommand("getq", "i", getq);
     addScriptCommand("setq", "ii", setq);
     addScriptCommand("setnpcdir", "*", setNpcDir);
diff --git a/src/emap/script.c b/src/emap/script.c
index 07950ab..0a63090 100644
--- a/src/emap/script.c
+++ b/src/emap/script.c
@@ -1918,3 +1918,37 @@ BUILDIN(getCraftSlotId)
     }
     return true;
 }
+
+BUILDIN(getCraftSlotAmount)
+{
+    getSD()
+
+    const struct craft_slot *crslot = craft_get_slot(script_getnum(st, 2),
+        script_getnum(st, 3));
+    if (!crslot)
+        return false;
+    const int len = VECTOR_LENGTH(crslot->items);
+    if (len > 0)
+    {
+        int slot;
+        int amount = 0;
+        for (slot = 0; slot < len; slot ++)
+        {
+            struct item_pair *pair = &VECTOR_INDEX(crslot->items, slot);
+            const int invIndex = pair->index;
+            const int item_id = sd->status.inventory[invIndex].nameid;
+            if (item_id > 0)
+            {
+                const int item_amount = sd->status.inventory[invIndex].amount;
+                if (item_amount > 0)
+                    amount += pair->amount;
+            }
+        }
+        script_pushint(st, amount);
+    }
+    else
+    {
+        script_pushint(st, 0);
+    }
+    return true;
+}
diff --git a/src/emap/script.h b/src/emap/script.h
index c74a09b..c433baf 100644
--- a/src/emap/script.h
+++ b/src/emap/script.h
@@ -69,5 +69,6 @@ BUILDIN(initCraft);
 BUILDIN(dumpCraft);
 BUILDIN(deleteCraft);
 BUILDIN(getCraftSlotId);
+BUILDIN(getCraftSlotAmount);
 
 #endif  // EVOL_MAP_SCRIPT
-- 
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