Mercurial > LightClone

annotate LightClone/Source/ScreenManager.cpp @ 71:bc8afcf7e1ec

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Refactor world into game screen
author koryspansel <koryspansel@bendbroadband.com>
date Tue, 11 Oct 2011 13:20:43 -0700
parents ffaeccdc105e
children 0574e2cf8bac
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
70
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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 }
68
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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 }
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86
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87 /*
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88 * Render
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89 */
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90 void ScreenManager::Render(RenderContext& kContext)
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91 {
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92 const int32 nSize = kStack.Size();
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93
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94 for(int32 i = 0; i < nSize; ++i)
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95 {
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96 kStack[i]->Render(kContext);
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97 }
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98 }
71
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99
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100 /*
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101 * Set
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102 */
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103 void ScreenManager::Set(const char* pName)
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104 {
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105 while(kStack.Size() > 1)
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106 {
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107 Screen* pScreen = kStack.Pop();
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108 ASSERT(pScreen != NULL);
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109
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110 pScreen->OnExit();
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111
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112 Screen* pTop = kStack.Peek();
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113 ASSERT(pTop != NULL);
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114
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115 pTop->OnResume();
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116 }
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117
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118 if(kStack.Size() > 0)
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119 {
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120 ASSERT(kStack.Size() == 1);
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121
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122 Screen* pScreen = kStack.Pop();
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123 ASSERT(pScreen != NULL);
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124
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125 pScreen->OnExit();
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126 }
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127
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128 Screen** pInstance = kScreens.Find(pName);
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129 if(pInstance)
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130 {
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131 ASSERT(*pInstance != NULL);
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132 (*pInstance)->OnEnter();
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133
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134 kStack.Push(*pInstance);
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135 }
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136
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137 bDirty = true;
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138 }
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139
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140 /*
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141 * Push
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142 */
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143 void ScreenManager::Push(const char* pName)
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144 {
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145 Screen** pInstance = kScreens.Find(pName);
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146 ASSERT(pInstance != NULL);
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147
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148 if(kStack.Size() > 0)
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149 {
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150 Screen* pTop = kStack.Peek();
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151 ASSERT(pTop != NULL);
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152
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153 pTop->OnPause();
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154 }
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155
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156 ASSERT(*pInstance != NULL);
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157 (*pInstance)->OnEnter();
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158
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159 kStack.Push(*pInstance);
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160
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161 bDirty = true;
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162 }
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163
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164 /*
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165 * Pop
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166 */
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167 void ScreenManager::Pop()
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168 {
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169 ASSERT(kStack.Size() > 0);
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170
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171 Screen* pScreen = kStack.Pop();
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172 ASSERT(pScreen != NULL);
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173
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174 pScreen->OnExit();
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175
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176 if(kStack.Size() > 0)
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177 {
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178 Screen* pTop = kStack.Peek();
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179 ASSERT(pTop != NULL);
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180
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181 pTop->OnResume();
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182 }
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183
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184 bDirty = true;
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185 }
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186
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187 /*
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188 * IsActive
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189 */
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190 bool ScreenManager::IsActive() const
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191 {
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192 return kStack.Size() > 0;
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193 }