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: Patrick Boenzli |
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13 | co-programmer: |
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14 | */ |
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15 | |
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16 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_EVENT |
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17 | |
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18 | #include "event_handler.h" |
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19 | #include "event_listener.h" |
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20 | |
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21 | #include "ini_parser.h" |
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22 | #include "keynames.h" |
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23 | |
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24 | #include "SDL_keysym.h" |
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25 | |
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26 | using namespace std; |
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27 | |
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28 | |
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29 | /** |
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30 | \brief standard constructor |
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31 | */ |
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32 | EventHandler::EventHandler () |
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33 | { |
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34 | this->setClassID(CL_EVENT_HANDLER, "EventHandler"); |
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35 | |
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36 | this->listeners = new EventListener**[ES_NUMBER]; |
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37 | for(int i = 0; i < ES_NUMBER; ++i) |
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38 | this->listeners[i] = new EventListener*[SDLK_LAST]; |
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39 | } |
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40 | |
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41 | /** |
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42 | \brief the singleton reference to this class |
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43 | */ |
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44 | EventHandler* EventHandler::singletonRef = NULL; |
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45 | |
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46 | /** |
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47 | \returns a Pointer to this Class |
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48 | */ |
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49 | EventHandler* EventHandler::getInstance(void) |
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50 | { |
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51 | if (!EventHandler::singletonRef) |
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52 | EventHandler::singletonRef = new EventHandler(); |
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53 | return EventHandler::singletonRef; |
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54 | } |
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55 | |
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56 | /** |
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57 | \brief standard deconstructor |
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58 | |
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59 | */ |
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60 | EventHandler::~EventHandler () |
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61 | { |
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62 | EventHandler::singletonRef = NULL; |
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63 | } |
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64 | |
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65 | |
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66 | /** |
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67 | \brief loads new key bindings from a file |
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68 | \param filename: The path and name of the file to load the bindings from |
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69 | */ |
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70 | void EventHandler::loadKeyBindings (const char* fileName) |
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71 | { |
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72 | FILE* stream; |
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73 | |
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74 | PRINTF(4)("Loading key bindings from %s\n", fileName); |
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75 | |
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76 | // remove old bindings if present |
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77 | if( this->keyAliases != NULL) |
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78 | { |
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79 | free (this->keyAliases); |
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80 | this->keyAliases = NULL; |
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81 | } |
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82 | |
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83 | // create parser |
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84 | IniParser parser(fileName); |
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85 | if( parser.getSection (CONFIG_SECTION_PLAYER "1") == -1) |
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86 | { |
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87 | PRINTF(1)("Could not find key bindings " CONFIG_SECTION_PLAYER"1 in %s\n", fileName); |
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88 | return; |
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89 | } |
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90 | // allocate empty lookup table |
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91 | this->keyAliases = (KeyBindings*) calloc (1, sizeof (KeyBindings)); |
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92 | |
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93 | char namebuf[256]; |
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94 | char valuebuf[256]; |
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95 | memset (namebuf, 0, 256); |
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96 | memset (valuebuf, 0, 256); |
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97 | int* index; |
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98 | |
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99 | while( parser.nextVar (namebuf, valuebuf) != -1) |
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100 | { |
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101 | //index = nameToIndex (valuebuf); |
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102 | int c; |
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103 | if( (c = keynameToSDLK (valuebuf)) != -1) |
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104 | { |
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105 | index[1] = c; index[0] = 0; |
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106 | } |
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107 | if( (c = buttonnameToSDLB (valuebuf)) != -1) |
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108 | { |
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109 | index[1] = c; index[0] = 1; |
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110 | } |
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111 | |
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112 | switch( index[0]) |
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113 | { |
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114 | case 0: |
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115 | PRINTF(4)("Key binding %d(%s) set to %s\n", index[1], SDLKToKeyname( index[1]), namebuf); |
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116 | strcpy (this->keyAliases->keys[index[1]], namebuf); |
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117 | break; |
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118 | case 1: |
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119 | PRINTF(4)("Button binding %d(%s) set to %s\n", index[1], SDLBToButtonname( index[1]), namebuf); |
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120 | strcpy (this->keyAliases->buttons[index[1]], namebuf); |
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121 | break; |
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122 | default: |
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123 | break; |
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124 | } |
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125 | memset (namebuf, 0, 256); |
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126 | memset (valuebuf, 0, 256); |
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127 | } |
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128 | |
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129 | |
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130 | // PARSE MISC SECTION |
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131 | if( parser.getSection (CONFIG_SECTION_MISC_KEYS) == -1) |
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132 | { |
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133 | PRINTF(1)("Could not find key bindings in %s\n", fileName); |
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134 | return; |
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135 | } |
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136 | |
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137 | while( parser.nextVar (namebuf, valuebuf) != -1) |
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138 | { |
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139 | //index = nameToIndex (valuebuf); |
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140 | int c; |
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141 | if( (c = keynameToSDLK (valuebuf)) != -1) |
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142 | { |
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143 | index[1] = c; index[0] = 0; |
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144 | } |
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145 | if( (c = buttonnameToSDLB (valuebuf)) != -1) |
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146 | { |
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147 | index[1] = c; index[0] = 1; |
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148 | } |
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149 | |
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150 | |
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151 | switch( index[0]) |
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152 | { |
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153 | case 0: |
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154 | PRINTF(4)("Key binding %d(%s) set to %s\n", index[1], SDLKToKeyname( index[1]), namebuf); |
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155 | strcpy (keyAliases->keys[index[1]], namebuf); |
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156 | break; |
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157 | case 1: |
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158 | PRINTF(4)("Button binding %d(%s) set to %s\n", index[1], SDLBToButtonname( index[1]), namebuf); |
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159 | strcpy (keyAliases->buttons[index[1]], namebuf); |
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160 | break; |
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161 | default: |
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162 | break; |
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163 | } |
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164 | memset (namebuf, 0, 256); |
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165 | memset (valuebuf, 0, 256); |
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166 | } |
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167 | } |
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168 | |
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169 | |
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170 | void EventHandler::setState(elState state) |
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171 | { |
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172 | this->state = state; |
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173 | } |
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174 | |
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175 | void EventHandler::subscribeListener(EventListener* el, elState state, int eventType) |
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176 | { |
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177 | if( likely(this->listeners[state][eventType] == NULL)) |
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178 | this->listeners[state][eventType] = el; |
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179 | else |
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180 | PRINTF(0)("Someone tried to subscribe to event %i @ state %i but this event has already been subscribed\n", eventType, state); |
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181 | } |
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182 | |
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183 | |
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184 | void EventHandler::unsubscribeListener(EventListener* el, elState state) |
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185 | {} |
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186 | |
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187 | void EventHandler::flush() |
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188 | {} |
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