1 | // |
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2 | // Lol Engine |
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3 | // |
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4 | // Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net> |
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5 | // This program is free software; you can redistribute it and/or |
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6 | // modify it under the terms of the Do What The Fuck You Want To |
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7 | // Public License, Version 2, as published by Sam Hocevar. See |
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8 | // http://sam.zoy.org/projects/COPYING.WTFPL for more details. |
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9 | // |
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10 | |
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11 | // |
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12 | // The Input static class |
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13 | // ---------------------- |
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14 | // |
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15 | |
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16 | #if !defined __LOL_INPUT_INPUT_H__ |
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17 | #define __LOL_INPUT_INPUT_H__ |
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18 | |
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19 | #include <cstring> |
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20 | #include <string.h> |
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21 | #include "core.h" |
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22 | #include "lol/math/vector.h" |
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23 | #include "input/stick.h" |
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24 | |
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25 | namespace lol |
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26 | { |
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27 | |
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28 | #define ACTION_TYPE std::string |
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29 | #define ACTION_CMP(A, B) (A.compare(B) == 0) |
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30 | |
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31 | class WorldEntity; |
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32 | |
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33 | //FULL Key rip-off of the SDLK enum |
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34 | struct Key |
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35 | { |
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36 | enum Value |
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37 | { |
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38 | /** @name ASCII mapped keysyms |
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39 | * The keyboard syms have been cleverly chosen to map to ASCII |
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40 | */ |
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41 | /*@{*/ |
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42 | K_UNKNOWN = 0, |
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43 | K_FIRST = 0, |
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44 | K_BACKSPACE = 8, |
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45 | K_TAB = 9, |
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46 | K_CLEAR = 12, |
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47 | K_RETURN = 13, |
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48 | K_PAUSE = 19, |
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49 | K_ESCAPE = 27, |
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50 | K_SPACE = 32, |
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51 | K_EXCLAIM = 33, |
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52 | K_QUOTEDBL = 34, |
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53 | K_HASH = 35, |
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54 | K_DOLLAR = 36, |
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55 | K_AMPERSAND = 38, |
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56 | K_QUOTE = 39, |
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57 | K_LEFTPAREN = 40, |
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58 | K_RIGHTPAREN = 41, |
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59 | K_ASTERISK = 42, |
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60 | K_PLUS = 43, |
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61 | K_COMMA = 44, |
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62 | K_MINUS = 45, |
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63 | K_PERIOD = 46, |
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64 | K_SLASH = 47, |
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65 | K_0 = 48, |
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66 | K_1 = 49, |
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67 | K_2 = 50, |
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68 | K_3 = 51, |
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69 | K_4 = 52, |
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70 | K_5 = 53, |
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71 | K_6 = 54, |
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72 | K_7 = 55, |
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73 | K_8 = 56, |
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74 | K_9 = 57, |
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75 | K_COLON = 58, |
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76 | K_SEMICOLON = 59, |
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77 | K_LESS = 60, |
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78 | K_EQUALS = 61, |
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79 | K_GREATER = 62, |
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80 | K_QUESTION = 63, |
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81 | K_AT = 64, |
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82 | /* |
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83 | Skip uppercase letters |
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84 | */ |
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85 | K_LEFTBRACKET = 91, |
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86 | K_BACKSLASH = 92, |
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87 | K_RIGHTBRACKET = 93, |
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88 | K_CARET = 94, |
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89 | K_UNDERSCORE = 95, |
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90 | K_BACKQUOTE = 96, |
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91 | K_a = 97, |
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92 | K_b = 98, |
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93 | K_c = 99, |
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94 | K_d = 100, |
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95 | K_e = 101, |
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96 | K_f = 102, |
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97 | K_g = 103, |
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98 | K_h = 104, |
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99 | K_i = 105, |
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100 | K_j = 106, |
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101 | K_k = 107, |
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102 | K_l = 108, |
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103 | K_m = 109, |
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104 | K_n = 110, |
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105 | K_o = 111, |
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106 | K_p = 112, |
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107 | K_q = 113, |
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108 | K_r = 114, |
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109 | K_s = 115, |
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110 | K_t = 116, |
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111 | K_u = 117, |
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112 | K_v = 118, |
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113 | K_w = 119, |
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114 | K_x = 120, |
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115 | K_y = 121, |
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116 | K_z = 122, |
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117 | K_DELETE = 127, |
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118 | /* End of ASCII mapped keysyms */ |
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119 | /*@}*/ |
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120 | |
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121 | /** @name International keyboard syms */ |
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122 | /*@{*/ |
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123 | K_WORLD_0 = 160, /* 0xA0 */ |
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124 | K_WORLD_1 = 161, |
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125 | K_WORLD_2 = 162, |
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126 | K_WORLD_3 = 163, |
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127 | K_WORLD_4 = 164, |
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128 | K_WORLD_5 = 165, |
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129 | K_WORLD_6 = 166, |
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130 | K_WORLD_7 = 167, |
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131 | K_WORLD_8 = 168, |
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132 | K_WORLD_9 = 169, |
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133 | K_WORLD_10 = 170, |
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134 | K_WORLD_11 = 171, |
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135 | K_WORLD_12 = 172, |
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136 | K_WORLD_13 = 173, |
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137 | K_WORLD_14 = 174, |
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138 | K_WORLD_15 = 175, |
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139 | K_WORLD_16 = 176, |
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140 | K_WORLD_17 = 177, |
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141 | K_WORLD_18 = 178, |
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142 | K_WORLD_19 = 179, |
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143 | K_WORLD_20 = 180, |
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144 | K_WORLD_21 = 181, |
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145 | K_WORLD_22 = 182, |
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146 | K_WORLD_23 = 183, |
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147 | K_WORLD_24 = 184, |
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148 | K_WORLD_25 = 185, |
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149 | K_WORLD_26 = 186, |
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150 | K_WORLD_27 = 187, |
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151 | K_WORLD_28 = 188, |
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152 | K_WORLD_29 = 189, |
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153 | K_WORLD_30 = 190, |
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154 | K_WORLD_31 = 191, |
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155 | K_WORLD_32 = 192, |
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156 | K_WORLD_33 = 193, |
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157 | K_WORLD_34 = 194, |
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158 | K_WORLD_35 = 195, |
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159 | K_WORLD_36 = 196, |
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160 | K_WORLD_37 = 197, |
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161 | K_WORLD_38 = 198, |
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162 | K_WORLD_39 = 199, |
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163 | K_WORLD_40 = 200, |
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164 | K_WORLD_41 = 201, |
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165 | K_WORLD_42 = 202, |
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166 | K_WORLD_43 = 203, |
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167 | K_WORLD_44 = 204, |
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168 | K_WORLD_45 = 205, |
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169 | K_WORLD_46 = 206, |
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170 | K_WORLD_47 = 207, |
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171 | K_WORLD_48 = 208, |
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172 | K_WORLD_49 = 209, |
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173 | K_WORLD_50 = 210, |
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174 | K_WORLD_51 = 211, |
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175 | K_WORLD_52 = 212, |
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176 | K_WORLD_53 = 213, |
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177 | K_WORLD_54 = 214, |
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178 | K_WORLD_55 = 215, |
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179 | K_WORLD_56 = 216, |
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180 | K_WORLD_57 = 217, |
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181 | K_WORLD_58 = 218, |
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182 | K_WORLD_59 = 219, |
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183 | K_WORLD_60 = 220, |
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184 | K_WORLD_61 = 221, |
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185 | K_WORLD_62 = 222, |
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186 | K_WORLD_63 = 223, |
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187 | K_WORLD_64 = 224, |
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188 | K_WORLD_65 = 225, |
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189 | K_WORLD_66 = 226, |
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190 | K_WORLD_67 = 227, |
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191 | K_WORLD_68 = 228, |
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192 | K_WORLD_69 = 229, |
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193 | K_WORLD_70 = 230, |
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194 | K_WORLD_71 = 231, |
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195 | K_WORLD_72 = 232, |
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196 | K_WORLD_73 = 233, |
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197 | K_WORLD_74 = 234, |
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198 | K_WORLD_75 = 235, |
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199 | K_WORLD_76 = 236, |
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200 | K_WORLD_77 = 237, |
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201 | K_WORLD_78 = 238, |
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202 | K_WORLD_79 = 239, |
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203 | K_WORLD_80 = 240, |
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204 | K_WORLD_81 = 241, |
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205 | K_WORLD_82 = 242, |
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206 | K_WORLD_83 = 243, |
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207 | K_WORLD_84 = 244, |
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208 | K_WORLD_85 = 245, |
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209 | K_WORLD_86 = 246, |
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210 | K_WORLD_87 = 247, |
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211 | K_WORLD_88 = 248, |
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212 | K_WORLD_89 = 249, |
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213 | K_WORLD_90 = 250, |
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214 | K_WORLD_91 = 251, |
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215 | K_WORLD_92 = 252, |
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216 | K_WORLD_93 = 253, |
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217 | K_WORLD_94 = 254, |
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218 | K_WORLD_95 = 255, /* 0xFF */ |
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219 | /*@}*/ |
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220 | |
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221 | /** @name Numeric keypad */ |
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222 | /*@{*/ |
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223 | K_KP0 = 256, |
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224 | K_KP1 = 257, |
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225 | K_KP2 = 258, |
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226 | K_KP3 = 259, |
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227 | K_KP4 = 260, |
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228 | K_KP5 = 261, |
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229 | K_KP6 = 262, |
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230 | K_KP7 = 263, |
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231 | K_KP8 = 264, |
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232 | K_KP9 = 265, |
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233 | K_KP_PERIOD = 266, |
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234 | K_KP_DIVIDE = 267, |
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235 | K_KP_MULTIPLY = 268, |
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236 | K_KP_MINUS = 269, |
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237 | K_KP_PLUS = 270, |
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238 | K_KP_ENTER = 271, |
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239 | K_KP_EQUALS = 272, |
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240 | /*@}*/ |
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241 | |
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242 | /** @name Arrows + Home/End pad */ |
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243 | /*@{*/ |
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244 | K_UP = 273, |
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245 | K_DOWN = 274, |
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246 | K_RIGHT = 275, |
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247 | K_LEFT = 276, |
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248 | K_INSERT = 277, |
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249 | K_HOME = 278, |
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250 | K_END = 279, |
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251 | K_PAGEUP = 280, |
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252 | K_PAGEDOWN = 281, |
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253 | /*@}*/ |
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254 | |
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255 | /** @name Function keys */ |
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256 | /*@{*/ |
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257 | K_F1 = 282, |
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258 | K_F2 = 283, |
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259 | K_F3 = 284, |
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260 | K_F4 = 285, |
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261 | K_F5 = 286, |
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262 | K_F6 = 287, |
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263 | K_F7 = 288, |
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264 | K_F8 = 289, |
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265 | K_F9 = 290, |
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266 | K_F10 = 291, |
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267 | K_F11 = 292, |
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268 | K_F12 = 293, |
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269 | K_F13 = 294, |
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270 | K_F14 = 295, |
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271 | K_F15 = 296, |
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272 | /*@}*/ |
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273 | |
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274 | /** @name Key state modifier keys */ |
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275 | /*@{*/ |
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276 | K_NUMLOCK = 300, |
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277 | K_CAPSLOCK = 301, |
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278 | K_SCROLLOCK = 302, |
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279 | K_RSHIFT = 303, |
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280 | K_LSHIFT = 304, |
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281 | K_RCTRL = 305, |
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282 | K_LCTRL = 306, |
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283 | K_RALT = 307, |
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284 | K_LALT = 308, |
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285 | K_RMETA = 309, |
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286 | K_LMETA = 310, |
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287 | K_LSUPER = 311, /**< Left "Windows" key */ |
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288 | K_RSUPER = 312, /**< Right "Windows" key */ |
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289 | K_MODE = 313, /**< "Alt Gr" key */ |
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290 | K_COMPOSE = 314, /**< Multi-key compose key */ |
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291 | /*@}*/ |
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292 | |
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293 | /** @name Miscellaneous function keys */ |
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294 | /*@{*/ |
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295 | K_HELP = 315, |
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296 | K_PRINT = 316, |
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297 | K_SYSREQ = 317, |
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298 | K_BREAK = 318, |
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299 | K_MENU = 319, |
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300 | K_POWER = 320, /**< Power Macintosh power key */ |
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301 | K_EURO = 321, /**< Some european keyboards */ |
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302 | K_UNDO = 322, /**< Atari keyboard has Undo */ |
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303 | /*@}*/ |
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304 | |
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305 | /* Add any other keys here */ |
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306 | |
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307 | K_LAST |
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308 | |
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309 | } |
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310 | m_value; |
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311 | |
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312 | //BH : Removed KMod from main enum, because I don't have any idea about handling them correctly for now. |
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313 | /* |
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314 | //Enumeration of valid key mods (possibly OR'd together) |
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315 | KM_NONE = 0x0000, |
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316 | KM_LSHIFT = 0x0001, |
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317 | KM_RSHIFT = 0x0002, |
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318 | KM_LCTRL = 0x0040, |
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319 | KM_RCTRL = 0x0080, |
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320 | KM_LALT = 0x0100, |
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321 | KM_RALT = 0x0200, |
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322 | KM_LMETA = 0x0400, |
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323 | KM_RMETA = 0x0800, |
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324 | KM_NUM = 0x1000, |
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325 | KM_CAPS = 0x2000, |
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326 | KM_MODE = 0x4000, |
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327 | |
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328 | KM_RESERVED = 0x8000, |
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329 | |
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330 | //Left/Right independent key mods definition |
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331 | KM_CTRL = (KM_LCTRL|KM_RCTRL), |
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332 | KM_SHIFT = (KM_LSHIFT|KM_RSHIFT), |
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333 | KM_ALT = (KM_LALT|KM_RALT), |
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334 | KM_META = (KM_LMETA|KM_RMETA), |
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335 | */ |
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336 | |
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337 | inline Key(Value v) { m_value = v; } |
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338 | inline operator Value() { return m_value; } |
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339 | inline bool operator==(const Key& CompareButton) { return m_value == CompareButton.m_value; } |
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340 | }; |
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341 | |
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342 | struct ActionSetting |
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343 | { |
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344 | ACTION_TYPE m_action; |
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345 | float m_buffering_time; |
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346 | float m_buffered_since; |
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347 | |
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348 | ActionSetting(ACTION_TYPE NewAction) : |
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349 | m_action(NewAction), |
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350 | m_buffering_time(.0f), |
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351 | m_buffered_since(.0f) |
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352 | { } |
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353 | }; |
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354 | |
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355 | struct ButtonSetting |
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356 | { |
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357 | Key m_raw_button; |
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358 | Array<ActionSetting> m_associated_action_list; |
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359 | |
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360 | ButtonSetting(Key NewRawButton) |
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361 | : m_raw_button(NewRawButton) { } |
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362 | int GetActionSettingIdx(ACTION_TYPE SearchAction); |
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363 | }; |
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364 | |
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365 | class InputTracker : public Entity |
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366 | { |
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367 | |
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368 | friend class Input; |
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369 | |
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370 | public: |
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371 | InputTracker(); |
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372 | |
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373 | private: |
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374 | Array<uint8_t> m_input_status; |
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375 | Array<ButtonSetting> m_input_assocation_list; |
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376 | |
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377 | int GetButtonSettingIdx(struct Key Button); |
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378 | int GetCurrentButtonStatus(struct Key Button); |
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379 | int GetPreviousButtonStatus(struct Key Button); |
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380 | void UpdateActionStatus(float seconds); |
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381 | |
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382 | protected: |
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383 | virtual char const * GetName() |
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384 | { |
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385 | return "<InputTracker>"; |
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386 | } |
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387 | virtual void TickGame(float seconds) |
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388 | { |
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389 | Entity::TickGame(seconds); |
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390 | |
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391 | UpdateActionStatus(seconds); |
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392 | } |
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393 | |
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394 | void LinkActionToKey(ACTION_TYPE Action, struct Key Button); |
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395 | void UnlinkAction(ACTION_TYPE Action); |
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396 | int GetStatus(ACTION_TYPE Action); |
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397 | bool WasPressed(ACTION_TYPE Action); |
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398 | bool WasReleased(ACTION_TYPE Action); |
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399 | |
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400 | //You should probably use the Action System |
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401 | int GetStatus(Key Button); |
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402 | bool WasPressed(Key Button); |
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403 | bool WasReleased(Key Button); |
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404 | }; |
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405 | |
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406 | class Input |
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407 | { |
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408 | private: |
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409 | static InputTracker* m_input_tracker; |
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410 | |
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411 | static bool CheckInputTrackerInit() |
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412 | { |
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413 | if (Input::m_input_tracker) |
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414 | return true; |
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415 | |
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416 | Input::m_input_tracker = new InputTracker(); |
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417 | return true; |
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418 | } |
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419 | |
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420 | public: |
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421 | |
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422 | /* These methods are general queries */ |
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423 | static ivec2 GetMousePos(); |
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424 | static ivec3 GetMouseButtons(); |
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425 | |
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426 | //BH : Shouldn't use this |
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427 | static int GetButtonState(int button); |
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428 | |
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429 | /* Action management */ |
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430 | static void LinkActionToKey(ACTION_TYPE Action, struct Key Button); |
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431 | static void UnlinkAction(ACTION_TYPE Action); |
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432 | static int GetStatus(ACTION_TYPE Action); |
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433 | static bool WasPressed(ACTION_TYPE Action); |
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434 | static bool WasReleased(ACTION_TYPE Action); |
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435 | |
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436 | /* Raw Button management. You should use actions. */ |
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437 | static int GetStatus(Key Button); |
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438 | static bool WasPressed(Key Button); |
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439 | static bool WasReleased(Key Button); |
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440 | |
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441 | /* Entities can subscribe to events */ |
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442 | static void TrackMouse(WorldEntity *e); |
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443 | static void UntrackMouse(WorldEntity *e); |
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444 | |
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445 | /* These methods are called by the underlying input listeners */ |
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446 | static void SetMousePos(ivec2 coord); |
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447 | static void SetMouseButton(int index); |
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448 | static void UnsetMouseButton(int index); |
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449 | |
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450 | /* Joystick handling */ |
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451 | static Stick *CreateStick(); |
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452 | static void DestroyStick(Stick *stick); |
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453 | |
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454 | static Stick *TrackStick(int desired); |
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455 | static void UntrackStick(Stick *stick); |
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456 | }; |
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457 | |
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458 | } /* namespace lol */ |
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459 | |
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460 | #endif // __LOL_INPUT_INPUT_H__ |
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461 | |
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