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74 lines
2.4 KiB
Python
74 lines
2.4 KiB
Python
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"""
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Evlang - usage examples
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Craftable object with matching command
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Evennia contribution - Griatch 2012
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"""
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from ev import create_object
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from ev import default_cmds
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from contrib.evlang.objects import ScriptableObject
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#------------------------------------------------------------
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# Example for creating a scriptable object with a custom
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# "crafting" command that sets coding restrictions on the
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# object.
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#------------------------------------------------------------
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class CmdCraftScriptable(default_cmds.MuxCommand):
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"""
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craft a scriptable object
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Usage:
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@craftscriptable <name>
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"""
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key = "@craftscriptable"
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locks = "cmd:perm(Builder)"
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help_category = "Building"
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def func(self):
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"Implements the command"
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caller = self.caller
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if not self.args:
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caller.msg("Usage: @craftscriptable <name>")
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return
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objname = self.args.strip()
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obj = create_object(CraftedScriptableObject, key=objname, location=caller.location)
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if not obj:
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caller.msg("There was an error creating %s!" % objname)
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return
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# set locks on the object restrictive coding only to us, the creator.
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obj.db.evlang_locks = {"get":"code:id(%s) or perm(Wizards)" % caller.dbref,
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"drop":"code:id(%s) or perm(Wizards)" % caller.dbref,
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"look": "code:id(%s) or perm(Wizards)" % caller.dbref}
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caller.msg("Crafted %s. Use @desc and @code to customize it." % objname)
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class CraftedScriptableObject(ScriptableObject):
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"""
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An object which allows customization of what happens when it is
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dropped, taken or examined. It is meant to be created with the
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special command CmdCraftScriptable above, for example as part of
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an in-game "crafting" operation. It can henceforth be expanded
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with custom scripting with the @code command (and only the crafter
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(and Wizards) will be able to do so).
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Allowed Evlang scripts:
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"get"
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"drop"
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"look"
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"""
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def at_get(self, getter):
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"called when object is picked up"
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self.ndb.evlang.run_by_name("get", getter)
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def at_drop(self, dropper):
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"called when object is dropped"
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self.ndb.evlang.run_by_name("drop", dropper)
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def at_desc(self, looker):
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"called when object is being looked at."
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self.ndb.evlang.run_by_name("look", looker)
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