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annotate orpg/mapper/isometric.py @ 39:ed322725b928 ornery-orc tip

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Traipse 'OpenRPG' {110114-00} 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 (Closed) New Features: New to Map, can re-order Grid, Miniatures, and Whiteboard layer draw order New to Server GUI, can now clear log New Earthdawn Dieroller New IronClaw roller, sheet, and image New ShapeShifter PC Sheet Updates: Update to Warhammer PC Sheet. Rollers set as macros. Should work with little maintanence. Update to Browser Server window. Display rooms with ' " & cleaner Update to Server. Handles ' " & cleaner Update to Dieroller. Cleaner, more effecient expression system Update to Hidden Die plugin, allows for non standard dice rolls Update to location.py, allows for more portable references when starting Traipse Update to the Features node Fixes: Fix to InterParse that was causing an Infernal Loop with Namespace Internal Fix to XML data, removed old Minidom and switched to Element Tree Fix to Server that was causing eternal attempt to find a Server ID, in Register Rooms thread Fix to Server, removing wxPython dependencies where not needed Fix to metaservers.xml file not being created Fix to Single and Double quotes in Whiteboard text Fix to Background images not showing when using the Image Server Fix to Duplicate chat names appearing Fix to Server GUI's logging output Fix to FNB.COLORFUL_TABS bug Fix to Gametree for XSLT Sheets Fix to Gametree for locating gametree files Fix to Send to Chat from Gametree Fix to Gametree, renaming and remapping operates correctly Fix to aliaslib, prevents error caused when SafeHTML is sent None
author sirebral
date Fri, 14 Jan 2011 05:24:52 -0600
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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)