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: Benjamin Grauer |
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13 | co-programmer: ... |
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14 | */ |
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15 | |
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16 | #include "array.h" |
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17 | |
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18 | /** |
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19 | \brief creates a new Array |
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20 | */ |
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21 | Array::Array () |
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22 | { |
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23 | initializeArray (); |
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24 | } |
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25 | |
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26 | /** |
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27 | \brief deletes an Array. |
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28 | It does this by first deleting all the array-entries, and then delete the array[] itself |
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29 | */ |
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30 | Array::~Array() |
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31 | { |
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32 | if (verbose >= 2) |
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33 | printf("deleting array\n"); |
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34 | Entry* walker = firstEntry; |
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35 | Entry* last; |
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36 | while (walker != NULL) |
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37 | { |
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38 | last = walker; |
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39 | walker = walker->next; |
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40 | delete last; |
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41 | } |
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42 | if (finalized) |
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43 | delete [] array; |
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44 | } |
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45 | |
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46 | /** |
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47 | \brief initializes an Array |
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48 | the Function does this by setting up a fistEntry, and setting the entryCount. |
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49 | */ |
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50 | void Array::initializeArray () |
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51 | { |
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52 | if (verbose >= 2) |
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53 | printf ("crating new Array\n"); |
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54 | firstEntry = new Entry; |
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55 | firstEntry->next =NULL; |
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56 | currentEntry=firstEntry; |
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57 | finalized = false; |
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58 | entryCount = 0; //0 means one entry |
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59 | return; |
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60 | } |
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61 | |
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62 | /** |
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63 | \brief finalizes an array. |
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64 | This Function creates the array, and makes it ready to be sent to the application. |
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65 | */ |
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66 | void Array::finalizeArray (void) |
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67 | { |
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68 | if (verbose >= 3) |
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69 | printf ("Finalizing array. Length: %i\n", entryCount); |
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70 | if ((array = (GLfloat*)malloc( entryCount* sizeof(GLfloat))) == NULL) |
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71 | // if ((array = new GLfloat [entryCount]) == NULL) |
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72 | printf ("could not allocate %i data Blocks\n", entryCount); |
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73 | Entry* walker = firstEntry; |
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74 | for (int i=0; i<entryCount; i++) |
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75 | { |
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76 | array[i] = walker->value; |
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77 | walker = walker->next; |
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78 | } |
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79 | finalized = true; |
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80 | |
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81 | return; |
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82 | } |
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83 | |
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84 | /** |
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85 | \brief adds a new Entry to the Array |
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86 | \param entry Entry to add. |
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87 | */ |
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88 | void Array::addEntry (GLfloat entry) |
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89 | { |
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90 | if (!finalized) |
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91 | { |
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92 | if (verbose >= 3) |
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93 | printf ("adding new Entry to Array: %f\n", entry); |
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94 | |
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95 | currentEntry->value = entry; |
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96 | currentEntry->next = new Entry; |
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97 | currentEntry = currentEntry->next; |
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98 | currentEntry->next = NULL; |
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99 | ++entryCount; |
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100 | } |
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101 | else |
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102 | if (verbose >= 1) |
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103 | printf ("adding failed, because list has been finalized\n"); |
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104 | } |
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105 | |
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106 | /** |
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107 | \brief Adds 3 entries at once (convenience) |
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108 | */ |
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109 | void Array::addEntry (GLfloat entry0, GLfloat entry1, GLfloat entry2) |
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110 | { |
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111 | addEntry (entry0); |
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112 | addEntry (entry1); |
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113 | addEntry (entry2); |
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114 | } |
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115 | |
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116 | /** |
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117 | \brief Gives back the array !! MUST be executed AFTER finalize. |
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118 | \returns The created array. |
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119 | */ |
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120 | GLfloat* Array::getArray () |
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121 | { |
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122 | return array; |
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123 | } |
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124 | |
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125 | /** |
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126 | \returns The Count of entries in the Array |
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127 | */ |
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128 | int Array::getCount() |
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129 | { |
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130 | return entryCount; |
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131 | } |
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132 | |
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133 | /** |
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134 | \brief Simple debug info about the Array |
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135 | */ |
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136 | void Array::debug () |
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137 | { |
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138 | printf ("entryCount=%i, address=%p\n", entryCount, array); |
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139 | } |
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