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https://github.com/worldforge/cyphesis
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68 lines
2.5 KiB
Python
68 lines
2.5 KiB
Python
#This file is distributed under the terms of the GNU General Public license.
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#Copyright (C) 2011 Jekin Trivedi <jekintrivedi@gmail.com> (See the file COPYING for details).
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from atlas import *
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from physics import *
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from physics import Quaternion
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from physics import Vector3D
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from physics import Point3D
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from random import *
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import server
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class Pulling(server.Task):
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""" A task for pulling objects vertically using simple rope mechanism."""
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def pull_operation(self, op):
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""" Op handler for strike op which activates this task """
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if len(op) < 1:
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std.stderr.write("Pulling task has no target in pull op")
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# FIXME Use weak references, once we have them
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self.target = server.world.get_object_ref(op[0].id)
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self.tool = op.to
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self.points = []
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self.points.append(self.character.location.coordinates)
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def tick_operation(self, op):
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""" Op handler for regular tick op """
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res = Oplist()
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if self.target() is None:
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# print "Target is no more"
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self.irrelevant()
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return
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if not self.target().location.parent:
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self.irrelevant()
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return
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target_location = Location(self.target().location.parent,
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self.target().location.coordinates)
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target_location.velocity=Vector3D(0, -0.5, 0)
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new_loc = self.character.location.coordinates
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origin = self.points[0]
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# Get the diffrence in the location of user at current time to the time when he started the task
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diff = origin.x - new_loc.x
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target_entity_moving = Entity(self.target().id, location = target_location)
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# Replicate the diffrence in position to the corresponding change in height.
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target_location = Location(self.target().location.parent,
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Point3D(self.target().location.coordinates.x,
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self.target().location.coordinates.y + diff,
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self.target().location.coordinates.z))
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target_location.velocity=Vector3D(0,0,0)
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target_entity = Entity(self.target().id, location = target_location)
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# Make the mode fixed to remove the height constraint on entity.
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if not hasattr(self.target(), 'mode') or self.target().props.mode != 'fixed':
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target_entity.mode = 'fixed'
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move=Operation("move", target_entity, to=self.target())
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move.setFutureSeconds(0.2)
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res.append(move)
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res.append(self.next_tick(1.5))
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return res
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