1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: Christoph Renner |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | |
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17 | #include "synchronizeable_vector.h" |
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18 | #include "converter.h" |
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19 | #include <cassert> |
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20 | |
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21 | |
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22 | /** |
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23 | * standard constructor |
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24 | * @todo this constructor is not jet implemented - do it |
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25 | */ |
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26 | SynchronizeableVector::SynchronizeableVector( Vector * ptrIn, Vector * ptrOut, std::string name, int permission, int priority) : SynchronizeableVar( ptrIn, ptrOut, name, 3*FLOATSIZE, permission, priority ) |
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27 | { |
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28 | this->vPtrIn = ptrIn; |
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29 | this->vPtrOut = ptrOut; |
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30 | } |
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31 | |
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32 | |
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33 | /** |
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34 | * standard deconstructor |
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35 | */ |
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36 | SynchronizeableVector::~SynchronizeableVector () |
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37 | { |
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38 | } |
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39 | |
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40 | /** |
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41 | * write var data to byte buffer |
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42 | * @param buf pointer to write to |
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43 | * @param maxLength writeToBuf will not write more than maxLength bytes |
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44 | * @return number bytes written |
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45 | */ |
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46 | int SynchronizeableVector::writeToBuf( byte * buf, int maxLength ) |
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47 | { |
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48 | int n = 0; |
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49 | int res; |
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50 | |
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51 | res = Converter::floatToByteArray( vPtrIn->x, buf + n, maxLength - n ); |
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52 | assert( res > 0 ); |
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53 | n += res; |
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54 | |
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55 | res = Converter::floatToByteArray( vPtrIn->y, buf + n, maxLength - n ); |
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56 | assert( res > 0 ); |
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57 | n += res; |
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58 | |
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59 | res = Converter::floatToByteArray( vPtrIn->z, buf + n, maxLength - n ); |
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60 | assert( res > 0 ); |
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61 | n += res; |
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62 | |
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63 | assert( 3*FLOATSIZE == n ); |
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64 | |
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65 | return n; |
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66 | } |
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67 | |
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68 | /** |
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69 | * read var data from byte buffer |
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70 | * @param buf pointer to read from |
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71 | * @param maxLength readFromBuf will not read more than maxLength bytes |
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72 | * @return number bytes read |
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73 | */ |
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74 | int SynchronizeableVector::readFromBuf( byte * buf, int maxLength ) |
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75 | { |
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76 | assert( maxLength >= 3*FLOATSIZE ); |
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77 | |
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78 | float x,y,z; |
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79 | |
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80 | int res; |
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81 | int n = 0; |
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82 | |
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83 | Vector oldVec = *vPtrOut; |
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84 | |
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85 | res = Converter::byteArrayToFloat( buf + n, &x ); |
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86 | assert( res > 0 ); |
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87 | n += res; |
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88 | |
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89 | res = Converter::byteArrayToFloat( buf + n, &y ); |
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90 | assert( res > 0 ); |
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91 | n += res; |
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92 | |
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93 | res = Converter::byteArrayToFloat( buf + n, &z ); |
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94 | assert( res > 0 ); |
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95 | n += res; |
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96 | |
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97 | *vPtrOut = Vector( x, y, z ); |
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98 | |
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99 | setHasChanged( !(*vPtrOut == oldVec) ); |
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100 | |
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101 | assert( n == 3*FLOATSIZE ); |
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102 | return n; |
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103 | } |
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104 | |
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105 | |
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106 | /** |
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107 | * print out variable value |
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108 | */ |
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109 | void SynchronizeableVector::SynchronizeableVector::debug( ) |
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110 | { |
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111 | printf( "SYNCHRONIZEABLE_VAR: %s IN: (%f, %f, %f) OUT: (%f %f %f)\n", name.c_str(), vPtrIn->x, vPtrIn->y, vPtrIn->z, vPtrOut->x, vPtrOut->y, vPtrOut->z ); |
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112 | } |
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113 | |
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