Mercurial > LightClone

annotate LightClone/Source/ScreenManager.cpp @ 73:0574e2cf8bac

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Additional screen types
author koryspansel
date Tue, 11 Oct 2011 17:44:10 -0700
parents bc8afcf7e1ec
children
rev   line source
68
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1 /*
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2 * ScreenManager
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3 */
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4
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5 #include "ScreenManager.h"
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6
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7 /*
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8 * ScreenManager
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9 */
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10 ScreenManager::ScreenManager() : bDirty(false)
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11 {
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12 }
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13
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14 /*
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15 * Register
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16 */
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17 ErrorCode ScreenManager::Register(const char* pName, Screen* pInstance)
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18 {
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19 ErrorCode eCode = Error_Fail;
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20
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21 if(pInstance)
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22 {
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23 Screen** pScreen = kScreens.Find(pName);
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24
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25 if(!pScreen)
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26 {
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27 pScreen = kScreens.Add(pName);
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28 }
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29
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30 if(pScreen)
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31 {
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32 (*pScreen) = pInstance;
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33 (*pScreen)->pScreenManager = this;
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34
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35 eCode = Error_Success;
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36 }
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37 }
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38
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39 return eCode;
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40 }
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41
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42 /*
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43 * Initialize
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44 */
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45 ErrorCode ScreenManager::Initialize(ServiceProvider* pServiceProvider)
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46 {
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47 ErrorCode eCode = Error_Success;
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48
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49 ScreenMap::Iterator kScreen = kScreens.Begin();
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50 ScreenMap::Iterator kScreenEnd = kScreens.End();
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51
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52 for(; kScreen != kScreenEnd && eCode == Error_Success; ++kScreen)
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53 {
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54 eCode = (*kScreen)->Initialize(pServiceProvider);
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55 }
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56
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57 return eCode;
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58 }
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59
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60 /*
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61 * Terminate
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62 */
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63 void ScreenManager::Terminate()
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64 {
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65 ScreenMap::Iterator kScreen = kScreens.Begin();
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66 ScreenMap::Iterator kScreenEnd = kScreens.End();
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67
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68 for(; kScreen != kScreenEnd; ++kScreen)
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69 {
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70 (*kScreen)->Terminate();
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71 }
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72 }
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73
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74 /*
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75 * Update
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76 */
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77 void ScreenManager::Update(float fElapsed)
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78 {
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79 bDirty = false;
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80
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81 //for(int32 i = kStack.Size() - 1; i >= 0 && !bDirty; --i)
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82 //{
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83 // kStack[i]->Update(fElapsed);
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84 //}
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85 if(kStack.Size() > 0)
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86 {
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87 Screen* pTop = kStack.Peek();
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88 ASSERT(pTop != NULL);
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89
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90 pTop->Update(fElapsed);
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91 }
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92 }
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93
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94 /*
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95 * Render
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96 */
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97 void ScreenManager::Render(RenderContext& kContext)
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98 {
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99 const int32 nSize = kStack.Size();
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100
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101 for(int32 i = 0; i < nSize; ++i)
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102 {
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103 kStack[i]->Render(kContext);
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104 }
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105 }
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106
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107 /*
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108 * Set
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109 */
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110 void ScreenManager::Set(const char* pName)
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111 {
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112 while(kStack.Size() > 1)
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113 {
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114 Screen* pScreen = kStack.Pop();
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115 ASSERT(pScreen != NULL);
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116
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117 pScreen->OnExit();
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118
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119 Screen* pTop = kStack.Peek();
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120 ASSERT(pTop != NULL);
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121
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122 pTop->OnResume();
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123 }
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124
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125 if(kStack.Size() > 0)
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126 {
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127 ASSERT(kStack.Size() == 1);
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128
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129 Screen* pScreen = kStack.Pop();
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130 ASSERT(pScreen != NULL);
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131
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132 pScreen->OnExit();
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133 }
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134
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135 Screen** pInstance = kScreens.Find(pName);
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136 if(pInstance)
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137 {
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138 ASSERT(*pInstance != NULL);
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139 (*pInstance)->OnEnter();
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140
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141 kStack.Push(*pInstance);
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142 }
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143
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144 bDirty = true;
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145 }
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146
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147 /*
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148 * Push
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149 */
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150 void ScreenManager::Push(const char* pName)
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151 {
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152 Screen** pInstance = kScreens.Find(pName);
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153 ASSERT(pInstance != NULL);
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154
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155 if(kStack.Size() > 0)
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156 {
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157 Screen* pTop = kStack.Peek();
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158 ASSERT(pTop != NULL);
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159
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160 pTop->OnPause();
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161 }
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162
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163 ASSERT(*pInstance != NULL);
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164 (*pInstance)->OnEnter();
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165
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166 kStack.Push(*pInstance);
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167
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168 bDirty = true;
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169 }
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170
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171 /*
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172 * Pop
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173 */
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174 void ScreenManager::Pop()
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175 {
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176 ASSERT(kStack.Size() > 0);
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177
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178 Screen* pScreen = kStack.Pop();
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179 ASSERT(pScreen != NULL);
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180
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181 pScreen->OnExit();
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182
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183 if(kStack.Size() > 0)
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184 {
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185 Screen* pTop = kStack.Peek();
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186 ASSERT(pTop != NULL);
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187
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188 pTop->OnResume();
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189 }
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190
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191 bDirty = true;
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192 }
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193
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194 /*
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195 * IsActive
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196 */
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197 bool ScreenManager::IsActive() const
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198 {
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199 return kStack.Size() > 0;
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200 }