Mercurial > LightClone

annotate LightClone/Source/InputManager.cpp @ 43:d27c06bd8ce1

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Simplify input manager and remove event system
author koryspansel
date Thu, 22 Sep 2011 10:47:05 -0700
parents 0b729faa4e73
children
rev   line source
0
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1 /*
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2 * InputManager
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3 */
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4
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5 #include "InputManager.h"
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6
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7 /*
3
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8 * fMouseSensitivity
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9 */
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10 static const float fMouseSensitivity = 1.5f;
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11
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12 /*
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13 * InputManager
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14 */
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15 InputManager::InputManager()
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16 {
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17 pDirectInput = NULL;
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18 pKeyboard = NULL;
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19 pMouse = NULL;
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20 fMouseX = 0.0f;
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21 fMouseY = 0.0f;
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22
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23 memset(kCurrentKeyboardState, 0, sizeof(kCurrentKeyboardState));
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24 memset(kPreviousKeyboardState, 0, sizeof(kPreviousKeyboardState));
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25 memset(&kCurrentMouseState, 0, sizeof(kCurrentMouseState));
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26 memset(&kPreviousMouseState, 0, sizeof(kPreviousMouseState));
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27 }
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28
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29 /*
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30 * Initialze
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31 */
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32 ErrorCode InputManager::Initialize(HWND kWindow)
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33 {
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34 HINSTANCE hInstance = GetModuleHandle(NULL);
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35
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36 HRESULT hResult = DirectInput8Create(hInstance, DIRECTINPUT_VERSION, IID_IDirectInput8, (void**)&pDirectInput, NULL);
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37 if(FAILED(hResult))
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38 {
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39 return Error_Fail;
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40 }
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41
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42 hResult = pDirectInput->CreateDevice(GUID_SysKeyboard, &pKeyboard, NULL);
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43 if(FAILED(hResult))
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44 {
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45 Terminate();
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46 return Error_Fail;
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47 }
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48
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49 hResult = pKeyboard->SetDataFormat(&c_dfDIKeyboard);
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50 if(FAILED(hResult))
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51 {
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52 Terminate();
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53 return Error_Fail;
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54 }
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55
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56 hResult = pKeyboard->SetCooperativeLevel(kWindow, DISCL_NONEXCLUSIVE | DISCL_FOREGROUND);
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57 if(FAILED(hResult))
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58 {
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59 Terminate();
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60 return Error_Fail;
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61 }
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62
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63 hResult = pDirectInput->CreateDevice(GUID_SysMouse, &pMouse, NULL);
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64 if(FAILED(hResult))
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65 {
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66 Terminate();
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67 return Error_Fail;
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68 }
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69
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70 hResult = pMouse->SetDataFormat(&c_dfDIMouse);
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71 if(FAILED(hResult))
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72 {
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73 Terminate();
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74 return Error_Fail;
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75 }
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76
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77 hResult = pMouse->SetCooperativeLevel(kWindow, DISCL_EXCLUSIVE | DISCL_FOREGROUND);
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78 if(FAILED(hResult))
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79 {
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80 Terminate();
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81 return Error_Fail;
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82 }
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83
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84 pMouse->Acquire();
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85
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86 return Error_Success;
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87 }
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88
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89 /*
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90 * Terminate
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91 */
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92 void InputManager::Terminate()
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93 {
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94 if(pMouse)
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95 {
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96 pMouse->Release();
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97 pMouse = NULL;
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98 }
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99
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100 if(pKeyboard)
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101 {
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102 pKeyboard->Release();
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103 pKeyboard = NULL;
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104 }
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105
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106 if(pDirectInput)
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107 {
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108 pDirectInput->Release();
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109 pDirectInput = NULL;
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110 }
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111 }
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112
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113 /*
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114 * Update
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115 */
43
d27c06bd8ce1 Simplify input manager and remove event system
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116 void InputManager::Update(float fElapsed)
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117 {
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118 if(pKeyboard)
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119 {
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120 memcpy(kPreviousKeyboardState, kCurrentKeyboardState, sizeof(kCurrentKeyboardState));
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121
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122 HRESULT hResult = pKeyboard->GetDeviceState(sizeof(kCurrentKeyboardState), kCurrentKeyboardState);
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123 if(FAILED(hResult))
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124 {
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125 hResult = pKeyboard->Acquire();
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126 if(SUCCEEDED(hResult))
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127 {
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128 hResult = pKeyboard->GetDeviceState(sizeof(kCurrentKeyboardState), kCurrentKeyboardState);
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129 }
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130 }
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131 }
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132
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133 if(pMouse)
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134 {
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135 memcpy(&kPreviousMouseState, &kCurrentMouseState, sizeof(kCurrentMouseState));
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136
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137 HRESULT hResult = pMouse->GetDeviceState(sizeof(kCurrentMouseState), &kCurrentMouseState);
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138 if(FAILED(hResult))
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139 {
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140 hResult = pMouse->Acquire();
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141 if(SUCCEEDED(hResult))
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142 {
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143 hResult = pMouse->GetDeviceState(sizeof(kCurrentMouseState), &kCurrentMouseState);
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144 }
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145 }
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146
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147 fMouseX = Clamp(fMouseX + fMouseSensitivity * kCurrentMouseState.lX, kMouseBounds.X, kMouseBounds.X + kMouseBounds.Width - 1.0f);
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148 fMouseY = Clamp(fMouseY + fMouseSensitivity * kCurrentMouseState.lY, kMouseBounds.Y, kMouseBounds.Y + kMouseBounds.Height - 1.0f);
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149 }
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150 }
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151
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152 /*
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153 * SetBounds
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154 */
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155 void InputManager::SetBounds(float fMinimumX, float fMinimumY, float fMaximumX, float fMaximumY)
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156 {
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157 kMouseBounds.X = fMinimumX;
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158 kMouseBounds.Y = fMinimumY;
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159 kMouseBounds.Width = fMaximumX - fMinimumX;
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160 kMouseBounds.Height = fMaximumY - fMinimumY;
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161 }
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162
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163 /*
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164 * SetMouse
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165 */
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166 void InputManager::SetMouse(float fX, float fY)
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167 {
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168 fMouseX = Clamp(fX, kMouseBounds.X, kMouseBounds.X + kMouseBounds.Width - 1.0f);
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169 fMouseY = Clamp(fY, kMouseBounds.Y, kMouseBounds.Y + kMouseBounds.Height - 1.0f);
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170 }
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171
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172 /*
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173 * IsKeyDown
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174 */
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175 bool InputManager::IsKeyDown(uint32 nKey) const
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176 {
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177 return (kCurrentKeyboardState[nKey] & 0x80) != 0;
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178 }
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179
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180 /*
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181 * WasKeyDown
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182 */
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183 bool InputManager::WasKeyDown(uint32 nKey) const
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184 {
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185 return (kPreviousKeyboardState[nKey] & 0x80) != 0;
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186 }
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187
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188 /*
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189 * IsButtonDown
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190 */
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191 bool InputManager::IsButtonDown(uint32 nButton) const
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192 {
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193 return (kCurrentMouseState.rgbButtons[nButton] & 0x80) != 0;
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194 }
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195
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196 /*
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197 * WasButtonDown
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198 */
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199 bool InputManager::WasButtonDown(uint32 nButton) const
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200 {
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201 return (kPreviousMouseState.rgbButtons[nButton] & 0x80) != 0;
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202 }
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203
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204 /*
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205 * IsButtonPressed
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206 */
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207 bool InputManager::IsButtonPressed(uint32 nButton) const
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208 {
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209 return ((kCurrentMouseState.rgbButtons[nButton] & 0x80) != 0) && ((kPreviousMouseState.rgbButtons[nButton] & 0x80) == 0);
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210 }
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211
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212 /*
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213 * IsButtonReleased
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214 */
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215 bool InputManager::IsButtonReleased(uint32 nButton) const
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216 {
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217 return ((kCurrentMouseState.rgbButtons[nButton] & 0x80) == 0) && ((kPreviousMouseState.rgbButtons[nButton] & 0x80) != 0);
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218 }
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219
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220 /*
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221 * GetMouseX
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222 */
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223 float InputManager::GetMouseX() const
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224 {
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225 return fMouseX;
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226 }
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227
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228 /*
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229 * GetMouseY
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230 */
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231 float InputManager::GetMouseY() const
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232 {
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233 return fMouseY;
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234 }
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235
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236 /*
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237 * GetMouseDeltaX
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238 */
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239 float InputManager::GetMouseDeltaX() const
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240 {
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241 return (float)kCurrentMouseState.lX;
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242 }
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243
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244 /*
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245 * GetMouseDeltaY
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246 */
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247 float InputManager::GetMouseDeltaY() const
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248 {
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249 return (float)kCurrentMouseState.lY;
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250 }