Add spell casting script for arrows, adapted from patch https://sourceforge.net/p/crossfire/patches/364/

git-svn-id: svn://svn.code.sf.net/p/crossfire/code/maps/trunk@21599 282e977c-c81d-0410-88c4-b93c2d0d6712

ChangeLog

@@ -1,3 +1,6 @@
+2020-12-12  Nicolas Weeger
+        * python/items/spell_arrow.py: Apply modified patch #364, see https://sourceforge.net/p/crossfire/patches/364/
+
 2020-12-02  Nicolas Weeger
         * styles/cheststyles: Add map with available chests for random maps. This will allow removing hardcoded list in the server code.
 

python/items/spell_arrow.py

@@ -0,0 +1,19 @@
+import Crossfire
+
+who = Crossfire.WhoAmI()
+victim = Crossfire.WhoIsOther();
+
+spells = who.ReadKey("arrow_spell")
+if spells and victim:
+    spells = spells.split(";")
+    for spell in spells:
+        if ":" in spell:
+            quantity, archetype = spell.split(":")
+        else:
+            quantity = 1
+            archetype = spell
+        spellob = Crossfire.CreateObjectByName(archetype)
+        if spellob:
+            for r in range(0, int(quantity)):
+                victim.CastAbility(spellob, 0, "")
+            spellob.Remove()