clientbot/tools/CPropertyDecoder.py

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Python
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2020-07-20 19:57:27 +00:00
#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# module BitStream
#
# Copyright (C) 2019 AleaJactaEst
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#import logging
#from ctypes import *
#import sys
#import inspect
#import copy
#import struct
LOGGER='CPropertyDecoder'
class CEntityEntry():
def __init__(self):
self.Sheet = 0
self.AssociationBits = 0
self.EntryUsed = False
self.PosIsRelative = False
self.PosIsInterior = False
class CPropertyDecoder():
def __init__(self):
# khanat-opennel-code/code/ryzom/client/src/network_connection.cpp:2937 _PropertyDecoder.init (256);
for i in range(0, 256):
self.Entities[i] = CEntityEntry()
self._RefPosX = 0
self._RefPosY = 0
self._RefBitsX = 0
self._RefBitsY = 0
self._RefBitsZ = 0
def GetAssociationBits(self, slot):
return self.Entities[slot].AssociationBits
def clear(self):
for i in range(0, 256):
self.Entities[i] = CEntityEntry()
def associationBitsHaveChanged(self, slot, _associationBits):
res = _associationBits != self.GetAssociationBits(slot)
self.Entities[slot].AssociationBits = _associationBits
return res
def addEntity(self, entity, sheet):
self.Entities[entity].EntryUsed = True
self.Entities[entity].Sheet = sheet
def removeEntity(self, entity):
if self.Entities[entity].EntryUsed:
self.Entities[entity].EntryUsed = False
self.Entities[entity].Sheet = 0xffff
def isUsed(self, slot):
return self.Entities[slot].EntryUsed
def getSheet(self, slot):
return self.Entities[slot].Sheet
def decodeAbsPos2D(self, x16, y16):
x = self._RefPosX + (x16 - self._RefBitsX) << 4
y = self._RefPosY + (y16 - self._RefBitsY) << 4
return (x, y)
def receive(self, actionPosition):
# if (action->Code == ACTION_POSITION_CODE) # normally is always this type
if actionPosition.IsRelative:
# Relative position (entity in a ferry...)
actionPosition.Position[0] = actionPosition.Position16[0]
actionPosition.Position[1] = actionPosition.Position16[1]
actionPosition.Position[2] = actionPosition.Position16[2]
self.Entities[actionPosition.Slot].PosIsRelative = True
self.Entities[actionPosition.Slot].PosIsInterior = False
else:
# Absolute position
# actionPosition.Position[0] , actionPosition.Position[1] = self.decodeAbsPos2D(actionPosition.Position16[0], actionPosition.Position16[1])
actionPosition.Position[0] = self._RefPosX + (actionPosition.Position16[0] - self._RefBitsX) << 4
actionPosition.Position[1] = self._RefPosY + (actionPosition.Position16[1] - self._RefBitsY) << 4
actionPosition.Position[2] = actionPosition.Position16[2] << 4
if actionPosition.Interior:
actionPosition.Position[2] += 2
self.Entities[actionPosition.Slot].PosIsRelative = False
self.Entities[actionPosition.Slot].PosIsInterior = actionPosition.Interior