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1 ## a vs die roller as used by WOD games
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2 #!/usr/bin/env python
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3 # Copyright (C) 2000-2001 The OpenRPG Project
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4 #
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5 # openrpg-dev@lists.sourceforge.net
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6 #
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7 # This program is free software; you can redistribute it and/or modify
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8 # it under the terms of the GNU General Public License as published by
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9 # the Free Software Foundation; either version 2 of the License, or
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10 # (at your option) any later version.
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11 #
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU General Public License for more details.
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16 #
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17 # You should have received a copy of the GNU General Public License
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18 # along with this program; if not, write to the Free Software
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19 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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20 # --
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21 #
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22 # File: srex.py
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23 # Original Author: Michael Edwards (AKA akoman)
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24 # Maintainer:
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25 # Original Version: 1.0
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26 #
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27 # Description: A modified form of the World of Darkness die roller to
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28 # conform to ShadowRun rules-sets. Thanks to the ORPG team
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29 # for the original die rollers.
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30 # Thanks to tdb30_ for letting me think out loud with him.
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31 # I take my hint from the HERO dieroller: It creates for wildly variant options
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32 # Further, .vs and .open do not work together in any logical way. One method of
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33 # chaining them results in a [Bad Dice Format] and the other results in a standard
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34 # output from calling .open()
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35
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36 # vs is a classic 'comparison' method function, with one difference. It uses a
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37 # c&p'ed .open(int) from die.py but makes sure that once the target has been exceeded
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38 # then it stops rerolling. The overhead from additional boolean checking is probably
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39 # greater than the gains from not over-rolling. The behaviour is in-line with
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40 # Shadowrun Third Edition which recommends not rolling once you've exceeded the target
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41 # open is an override of .open(int) in die.py. The reason is pretty simple. In die.py open
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42 # refers to 'open-ended rolling' whereas in Shadowrun it refers to an 'Open Test' where
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43 # the objective is to find the highest die total out of rolled dice. This is then generally
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44 # used as the target in a 'Success Test' (for which .vs functions)
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45
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46 # Modified by: Darloth
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47 # Mod Version: 1.1
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48 # Modified Desc:
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49 # I've altered the vs call to make it report successes against every target number (tn)
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50 # in a specified (default 3) range, with the original as median.
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51 # This reduces rerolling if the TN was calculated incorrectly, and is also very useful
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52 # when people are rolling against multiple TNs, which is the case with most area-effect spells.
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53 # To aid in picking the specified TN out from the others, it will be in bold.
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54 # vswide is a version which can be used with no arguments, or can be used to get a very wide range, by
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55 # directly specifying the upper bound (Which is limited to 30)
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56
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57 from die import *
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58
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59 __version__ = "1.1"
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60
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61 class srex(std):
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62
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63 def __init__(self,source=[]):
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64 std.__init__(self,source)
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65
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66
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67 def vs(self,actualtarget=4,tnrange=3): #reports all tns around specified, max distance of range
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68 return srVs(self,actualtarget,(actualtarget-tnrange),(actualtarget+tnrange))
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69
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70
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71 def vswide(self,actualtarget=4,maxtarget=12): #wide simply means it reports TNs from 2 to a specified max.
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72 return srVs(self,actualtarget,2,maxtarget)
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73
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74
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75 def open(self): #unchanged from standard shadowrun open.
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76 return srOpen(self)
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77
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78 class srVs(std):
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79
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80 def __init__(self,source=[],actualtarget=4,mintn=2,maxtn=12):
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81 std.__init__(self, source)
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82 if actualtarget > 30:
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83 actualtarget = 30
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84 if mintn > 30:
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85 mintn = 30
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86 if maxtn > 30:
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87 maxtn = 30
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88 # In Shadowrun, not target number may be below 2. Any
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89 # thing lower is scaled up.
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90 if actualtarget < 2:
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91 self.target = 2
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92 else:
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93 self.target = actualtarget
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94 #if the target number is higher than max (Mainly for wide rolls) then increase max to tn
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95 if actualtarget > maxtn:
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96 maxtn = actualtarget
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97 #store minimum for later use as well, also in result printing section.
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98 if mintn < 2:
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99 self.mintn = 2
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100 else:
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101 self.mintn = mintn
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102 self.maxtn = maxtn #store for later use in printing results. (Yeah, these comments are now disordered)
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103
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104 # Shadowrun was built to use the d6 but in the interests of experimentation I have
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105 # made the dieroller generic enough to use any die type
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106 self.openended(self[0].sides)
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107
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108
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109 def openended(self,num):
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110 if num <= 1:
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111 self
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112 done = 1
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113
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114 #reroll dice if they hit the highest number, until they are greater than the max TN (recursive)
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115 for i in range(len(self.data)):
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116 if (self.data[i].lastroll() >= num) and (self.data[i] < self.maxtn):
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117 self.data[i].extraroll()
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118 done = 0
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119 if done:
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120 return self
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121 else:
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122 return self.openended(num)
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123
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124 #count successes, by looping through each die, and checking it against the currently set TN
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125
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126 def __sum__(self):
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127 s = 0
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128 for r in self.data:
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129 if r >= self.target:
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130 s += 1
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131 return s
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132
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133 #a modified sum, but this one takes a target argument, and is there because otherwise it is difficult to loop through
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134 #tns counting successes against each one without changing target, which is rather dangerous as the original TN could
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135 #easily be lost.
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136
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137 def xsum(self,curtarget):
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138 s = 0
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139 for r in self.data:
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140 if r >= curtarget:
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141 s += 1
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142 return s
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143
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144
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145
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146 def __str__(self):
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147 if len(self.data) > 0:
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148 myStr = "[" + str(self.data[0])
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149 for a in self.data[1:]:
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150 myStr += ","
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151 myStr += str(a)
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152 myStr += "] Results: "
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153 #cycle through from mintn to maxtn, summing successes for each separate TN
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154 for targ in range(self.mintn,self.maxtn+1):
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155 if targ == self.target:
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156 myStr += "<b>"
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157 myStr += "(" + str(self.xsum(targ)) + " vs " + str(targ) + ") "
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158 if targ == self.target:
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159 myStr += "</b>"
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160 else:
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161 myStr = "[] = (0)"
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162
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163 return myStr
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164
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165 class srOpen(std):
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166
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167 def __init__(self,source=[]):
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168 std.__init__(self,source)
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169 self.openended(self[0].sides)
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170
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171
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172 def openended(self,num):
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173 if num <= 1:
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174 self
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175 done = 1
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176 for i in range(len(self.data)):
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177 if self.data[i].lastroll() == num:
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178 self.data[i].extraroll()
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179 done = 0
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180 if done:
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181 return self
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182 else:
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183 return self.openended(num)
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184
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185
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186 def __sum__(self):
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187 s = 0
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188 for r in self.data:
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189 if r > s:
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190 s = r
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191 return s
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192
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193
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194 def __str__(self):
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195 if len(self.data) > 0:
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196 myStr = "[" + str(self.data[0])
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197 for a in self.data[1:]:
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198 myStr += ","
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199 myStr += str(a)
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200 self.takeHighest(1)
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201 myStr += "] for a result of (" + str(self.__sum__().__int__()) + ")"
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202 else:
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203 myStr = "[] = (0)"
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204
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205 return myStr
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