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 | #if defined HAVE_CONFIG_H |
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12 | # include "config.h" |
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13 | #endif |
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14 | |
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15 | #if defined USE_SDL |
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16 | # if defined HAVE_SDL_SDL_H |
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17 | # include <SDL/SDL.h> |
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18 | # else |
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19 | # include <SDL.h> |
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20 | # endif |
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21 | #endif |
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22 | |
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23 | #include "core.h" |
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24 | #include "sdlinput.h" |
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25 | |
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26 | namespace lol |
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27 | { |
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28 | |
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29 | /* |
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30 | * SDL Input implementation class |
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31 | */ |
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32 | |
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33 | class SdlInputData |
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34 | { |
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35 | friend class SdlInput; |
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36 | |
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37 | private: |
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38 | void Tick(float seconds); |
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39 | |
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40 | static ivec2 GetMousePos(); |
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41 | #if defined USE_SDL |
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42 | Array<SDL_Joystick *, Stick *> m_joysticks; |
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43 | #endif |
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44 | }; |
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45 | |
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46 | /* |
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47 | * Public SdlInput class |
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48 | */ |
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49 | |
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50 | SdlInput::SdlInput() |
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51 | : m_data(new SdlInputData()) |
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52 | { |
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53 | #if defined USE_SDL |
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54 | SDL_Init(SDL_INIT_TIMER | SDL_INIT_JOYSTICK); |
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55 | |
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56 | /* Register all the joysticks we can find, and let the input |
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57 | * system decide what it wants to track. */ |
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58 | SDL_JoystickEventState(SDL_ENABLE); |
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59 | for (int i = 0; i < SDL_NumJoysticks(); i++) |
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60 | { |
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61 | SDL_Joystick *sdlstick = SDL_JoystickOpen(i); |
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62 | |
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63 | /* Blacklist HDAPS, it's not a real joystick */ |
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64 | char const *name = SDL_JoystickName(i); |
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65 | if (strstr(name, "HDAPS") |
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66 | # if !defined USE_D3D9 |
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67 | || strstr(name, "XBOX 360 For Windows") |
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68 | # endif |
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69 | || false) |
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70 | { |
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71 | SDL_JoystickClose(sdlstick); |
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72 | continue; |
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73 | } |
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74 | |
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75 | Stick *stick = Input::CreateStick(); |
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76 | stick->SetAxisCount(SDL_JoystickNumAxes(sdlstick)); |
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77 | stick->SetButtonCount(SDL_JoystickNumButtons(sdlstick)); |
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78 | |
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79 | /* It's possible to remap axes */ |
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80 | //stick->RemapAxis(4, 2); |
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81 | //stick->RemapAxis(2, 4); |
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82 | |
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83 | m_data->m_joysticks.Push(sdlstick, stick); |
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84 | } |
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85 | #endif |
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86 | |
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87 | m_gamegroup = GAMEGROUP_BEFORE; |
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88 | } |
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89 | |
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90 | SdlInput::~SdlInput() |
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91 | { |
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92 | #if defined USE_SDL |
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93 | /* Unregister all the joysticks we added */ |
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94 | while (m_data->m_joysticks.Count()) |
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95 | { |
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96 | SDL_JoystickClose(m_data->m_joysticks[0].m1); |
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97 | Input::DestroyStick(m_data->m_joysticks[0].m2); |
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98 | m_data->m_joysticks.Remove(0); |
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99 | } |
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100 | #endif |
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101 | delete m_data; |
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102 | } |
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103 | |
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104 | void SdlInput::TickGame(float seconds) |
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105 | { |
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106 | Entity::TickGame(seconds); |
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107 | |
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108 | #if !defined _WIN32 |
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109 | m_data->Tick(seconds); |
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110 | #endif |
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111 | } |
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112 | |
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113 | void SdlInput::TickDraw(float seconds) |
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114 | { |
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115 | Entity::TickDraw(seconds); |
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116 | |
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117 | #if defined _WIN32 |
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118 | m_data->Tick(seconds); |
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119 | #endif |
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120 | } |
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121 | |
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122 | void SdlInputData::Tick(float seconds) |
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123 | { |
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124 | #if defined USE_SDL |
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125 | /* Handle mouse input */ |
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126 | ivec2 mouse = SdlInputData::GetMousePos();; |
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127 | Input::SetMousePos(mouse); |
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128 | |
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129 | /* Handle keyboard and WM events */ |
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130 | SDL_Event event; |
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131 | while (SDL_PollEvent(&event)) |
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132 | { |
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133 | switch (event.type) |
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134 | { |
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135 | case SDL_QUIT: |
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136 | Ticker::Shutdown(); |
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137 | break; |
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138 | #if 0 |
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139 | case SDL_KEYDOWN: |
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140 | Input::KeyPressed(event.key.keysym.sym, seconds); |
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141 | break; |
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142 | #endif |
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143 | case SDL_MOUSEBUTTONDOWN: |
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144 | case SDL_MOUSEBUTTONUP: |
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145 | { |
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146 | ivec2 newmouse = SdlInputData::GetMousePos(); |
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147 | if (newmouse != mouse) |
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148 | Input::SetMousePos(mouse = newmouse); |
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149 | if (event.type == SDL_MOUSEBUTTONDOWN) |
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150 | Input::SetMouseButton(event.button.button - 1); |
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151 | else |
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152 | Input::UnsetMouseButton(event.button.button - 1); |
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153 | break; |
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154 | } |
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155 | |
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156 | case SDL_JOYAXISMOTION: |
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157 | m_joysticks[event.jaxis.which].m2->SetAxis(event.jaxis.axis, (float)event.jaxis.value / 32768.f); |
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158 | break; |
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159 | |
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160 | case SDL_JOYBUTTONUP: |
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161 | case SDL_JOYBUTTONDOWN: |
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162 | m_joysticks[event.jbutton.which].m2->SetButton(event.jbutton.button, event.jbutton.state); |
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163 | break; |
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164 | } |
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165 | } |
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166 | |
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167 | /* Send the whole keyboard state to the input system */ |
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168 | #if 0 |
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169 | Uint8 *keystate = SDL_GetKeyState(NULL); |
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170 | for (int i = 0; i < 256; i++) |
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171 | if (keystate[i]) |
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172 | Input::KeyPressed(i, seconds); |
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173 | #endif |
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174 | #endif |
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175 | } |
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176 | |
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177 | ivec2 SdlInputData::GetMousePos() |
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178 | { |
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179 | ivec2 ret(-1, -1); |
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180 | |
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181 | #if defined USE_SDL |
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182 | if (SDL_GetAppState() & SDL_APPMOUSEFOCUS) |
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183 | { |
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184 | SDL_GetMouseState(&ret.x, &ret.y); |
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185 | ret.y = Video::GetSize().y - 1 - ret.y; |
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186 | } |
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187 | #endif |
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188 | return ret; |
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189 | } |
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190 | |
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191 | } /* namespace lol */ |
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192 | |
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