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https://github.com/worldforge/cyphesis
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103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
#This file is distributed under the terms of the GNU General Public license.
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#Copyright (C) 2005 Al Riddoch (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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import math
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from random import *
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import server
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class Logging(server.Task):
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""" A proof of concept task for logging."""
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def cut_operation(self, op):
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""" Op handler for cut op which activates this task """
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# print "Logging.cut"
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if len(op) < 1:
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sys.stderr.write("Logging task has no target in cut op")
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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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def tick_operation(self, op):
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""" Op handler for regular tick op """
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# print "Logging.tick"
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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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current_status = self.target().props.status
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#Measure the distance between the entity horizontal edges. Else we won't be able to reach if either entity is too thick.
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distance_between_entity_edges_squared = square_horizontal_edge_distance(self.character.location, self.target().location)
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#Assume that a standard human can reach 1.5 meters, and use this to determine if we're close enough to be able to perform the logging
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standard_human_reach_squared=1.5*1.5
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#TODO: replace this with asking the domain about the entities' reach
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if distance_between_entity_edges_squared > standard_human_reach_squared:
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self.progress = 1 - current_status
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self.rate = 0
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return self.next_tick(1.75)
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res=Oplist()
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if current_status > 0.11:
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set=Operation("set", Entity(self.target().id, status=current_status-0.1), to=self.target())
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res.append(set)
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if current_status <= 0.5 and self.target().props.mode != 'free':
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print("Timber!")
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#Make it fall initially 15 degrees away from the logger entity.
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axis = distance_to(self.character.location,
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self.target().location).cross(Vector3D(0, 1, 0))
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# the axis must be a unit vector
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try:
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axis = axis.unit_vector()
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except ZeroDivisionError:
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axis = Vector3D(1, 0, 0)
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# print "axis ", axis
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# create a rotation of 15 degrees around this axis
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orient = Quaternion(axis, math.pi / -12.0)
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# if the tree is rotated, apply this too
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if self.target().location.orientation.is_valid():
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orient = self.target().location.orientation * orient
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move_location = self.target().location.copy()
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move_location.orientation = orient
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move = Operation("move", Entity(self.target().id, mode='free',
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location=move_location),
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to = self.target())
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res.append(move)
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else:
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# print "become log"
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set = Operation("set", Entity(self.target().id, status = -1),
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to = self.target())
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res.append(set)
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create_loc = self.target().location.copy()
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create_loc.orientation = self.target().location.orientation
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create = Operation("create",
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Entity(parent="lumber",
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mass = self.target().props.mass,
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location = create_loc,
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#bbox = self.target().bbox,
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mode = "free"),
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to = self.target())
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res.append(create)
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self.progress = 1 - current_status
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self.rate = 0.1 / 1.75
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res.append(self.next_tick(1.75))
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return res
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