annotate orpg/mapper/isometric.py @ 218:b8091ede042a alpha

Traipse Alpha 'OpenRPG' {100430-01} Traipse is a distribution of OpenRPG that is designed to be easy to setup and go. Traipse also makes it easy for developers to work on code without fear of sacrifice. 'Ornery-Orc' continues the trend of 'Grumpy' and adds fixes to the code. 'Ornery-Orc's main goal is to offer more advanced features and enhance the productivity of the user. Update Summary (Patch-2) New Features: New Namespace method with two new syntaxes New Namespace Internal is context sensitive, always! New Namespace External is 'as narrow as you make it' New Namespace FutureCheck helps ensure you don't receive an incorrect node New PluginDB access for URL2Link plugin New to Forms, they now show their content in Design Mode New to Update Manager, checks Repo for updates on software start New to Mini Lin node, change title in design mode New to Game Tree, never lose a node, appends a number to the end of corrupted trees New to Server GUI, Traipse Suite's Debug Console Fixes: Fix to Server GUI startup errors Fix to Server GUI Rooms tab updating Fix to Chat and Settings if non existant die roller is picked Fix to Dieroller and .open() used with .vs(). Successes are correctly calculated Fix to Alias Lib's Export to Tree, Open, Save features Fix to alias node, now works properly Fix to Splitter node, minor GUI cleanup Fix to Backgrounds not loading through remote loader Fix to Node name errors Fix to rolling dice in chat Whispers Fix to Splitters Sizing issues Fix to URL2Link plugin, modified regex compilation should remove memory leak Fix to mapy.py, a roll back due to zoomed grid issues Fix to whiteboard_handler, Circles work by you clicking the center of the circle Fix to Servers parse_incoming_dom which was outdated and did not respect XML Fix to a broken link in the server welcome message Fix to InterParse and logger requiring traceback Fix to Update Manager Status Bar Fix to failed image and erroneous pop up Fix to Mini Lib node that was preventing use Fix to plugins that parce dice but did not call InterParse Fix to nodes for name changing by double click Fix to Game Tree, node ordering on drag and drop corrected Fix to Game Tree, corrupted error message was not showing
author sirebral
date Fri, 30 Apr 2010 11:37:37 -0500
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0
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1 # Copyright (C) 2000-2001 The OpenRPG Project
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2 #
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3 # openrpg-dev@lists.sourceforge.net
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4 #
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5 # This program is free software; you can redistribute it and/or modify
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6 # it under the terms of the GNU General Public License as published by
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7 # the Free Software Foundation; either version 2 of the License, or
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8 # (at your option) any later version.
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9 #
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10 # This program is distributed in the hope that it will be useful,
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11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 # GNU General Public License for more details.
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14 #
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15 # You should have received a copy of the GNU General Public License
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16 # along with this program; if not, write to the Free Software
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17 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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18 # --
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19 #
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20 # File: mapper/isometric.py
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21 # Author: Todd Faris (Snowdog)
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22 # Maintainer:
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23 # Version:
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24 #
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25 # Description:
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26 # helper class definition for drawing and line collision within an isometric grid
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27 # based on a interger based coordinate system where X increase to the right
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28 # and Y increases in the downward direction
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29
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30
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31 class IsoGrid:
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32 def __init__(self,width):
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33 self.ratio = 2.0
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34 self.width = width
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35 self.height = 0
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36 self.CalcRatio()
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37 self.center_x = 0
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38 self.center_y = 0
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39
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40 def Ratio(self, r ):
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41 "changes the height/width ratio of the isometric rectangle with respect to the horizontal (x) axis"
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42 self.ratio = float(r)
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43 self.CalcRatio()
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44
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45 def CalcRatio(self):
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46 if (self.ratio <= 0): self.ratio = 1
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47 self.height = int( float(self.width)/float(self.ratio) )
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48
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49 def BoundPlace(self, left,top):
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50 "Places the isometric rectangle using its upper left bounding corner for positioning"
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51 dx,dy = self.CornerOffset()
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52 self.Recenter( left+dx, top+dy)
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53
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54 def Recenter(self,x,y):
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55 "Places the isomentric rectangle using the centerpoint"
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56 self.center_x = x
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57 self.center_y = y
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58
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59 def Top(self):
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60 "Returns the topmost point of the isometric rectangle as a tuple (x,y)"
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61 x = int(self.center_x)
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62 y = int(self.center_y) - int(self.height/2)
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63 return(x,y)
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64
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65 def Left(self):
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66 "Returns the leftmost point of the isometric rectangle as a tuple (x,y)"
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67 x = int(self.center_x) - int(self.width/2)
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68 y = int(self.center_y)
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69 return(x,y)
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70
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71 def Right(self):
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72 "Returns the rightmost point of the isometric rectangle as a tuple (x,y)"
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73 x,y = self.Left()
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74 x = x + self.width
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75 return(x,y)
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76
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77 def Bottom(self):
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78 "Returns the bottommost point of the isometric rectangle as a tuple (x,y)"
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79 x,y = self.Top()
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80 y = y + self.height
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81 return(x,y)
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82
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83 def Center(self):
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84 "Returns the center point of the isometric rectangle as a tuple (x,y)"
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85 x = int(self.center_x)
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86 y = int(self.center_y)
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87 return(x,y)
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88
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89 def CornerOffset(self):
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90 """Returns a tuple (delta_x,delta_y) representing the offset from the centerpoint
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91 of the isometric rectangle to the upper left corner of its rectangular bounding box"""
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92 dx = float(self.width/2)
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93 dy = float(self.height/2)
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94 return (dx,dy)
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95
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96 def Height(self):
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97 "Returns the height of the isometric rectangle based on current ratio"
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98 return int(self.height)
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99
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100 def Width(self):
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101 "returns the width of the isomentric rectangle"
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102 return int(self.width)