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2 | |
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3 | /* |
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4 | orxonox - the future of 3D-vertical-scrollers |
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5 | |
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6 | Copyright (C) 2004 orx |
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7 | |
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8 | This program is free software; you can redistribute it and/or modify |
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9 | it under the terms of the GNU General Public License as published by |
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10 | the Free Software Foundation; either version 2, or (at your option) |
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11 | any later version. |
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12 | |
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13 | ### File Specific: |
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14 | main-programmer: Patrick Boenzli |
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15 | co-programmer: |
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16 | */ |
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17 | |
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18 | |
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19 | #include "glmenu_imagescreen.h" |
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20 | |
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21 | #include "stdincl.h" |
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22 | #include "graphics_engine.h" |
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23 | #include "material.h" |
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24 | |
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25 | using namespace std; |
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26 | /** |
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27 | \brief standard constructor |
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28 | |
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29 | \todo this constructor is not jet implemented - do it |
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30 | */ |
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31 | GLMenuImageScreen::GLMenuImageScreen () |
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32 | { |
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33 | this->setClassName ("GLMenuImageScreen"); |
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34 | this->init(); |
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35 | } |
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36 | |
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37 | /** |
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38 | \brief standard deconstructor |
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39 | \todo this deconstructor is not jet implemented - do it |
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40 | */ |
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41 | GLMenuImageScreen::~GLMenuImageScreen() |
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42 | { |
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43 | delete this->backMat; |
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44 | delete barMat; |
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45 | } |
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46 | |
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47 | /** |
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48 | \brief function to init the screen |
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49 | */ |
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50 | void GLMenuImageScreen::init () |
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51 | { |
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52 | // Select Our VU Meter Background Texture |
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53 | this->backMat = new Material("load_screen"); |
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54 | this->barMat = new Material("bar"); |
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55 | this->maxValue = 10; |
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56 | this->currentValue = 0; |
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57 | this->setPosition(0,0); |
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58 | this->setScale(1,1); |
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59 | this->setBarPosScale( .6, .75, .3, .1); |
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60 | // End of Background image code. |
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61 | } |
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62 | |
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63 | /** |
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64 | \brief sets the background image name |
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65 | \param file name of the backgroun-image |
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66 | */ |
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67 | void GLMenuImageScreen::setBackgroundImage (const char* backImageName) |
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68 | { |
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69 | this->backMat->setDiffuseMap(backImageName); |
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70 | } |
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71 | |
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72 | |
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73 | /** |
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74 | \brief sets position of the ImageScreen |
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75 | \param x offset from the top left corner in percent(0-1) of the screensize |
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76 | \param y offset from the top left corner in percent(0-1) of the screensize |
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77 | */ |
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78 | void GLMenuImageScreen::setPosition(float offsetX, float offsetY) |
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79 | { |
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80 | this->offsetX = offsetX; |
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81 | this->offsetY = offsetY; |
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82 | } |
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83 | |
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84 | |
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85 | /* |
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86 | \brief sets size of the ImageScreen |
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87 | \param scaleX the scaleing of the image into the x-direction (in percent (0-1)) |
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88 | \param scaleY the scaleing of the image into the y-direction (in percent (0-1)) |
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89 | */ |
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90 | void GLMenuImageScreen::setScale(float scaleX, float scaleY) |
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91 | { |
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92 | this->scaleX = scaleX; |
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93 | this->scaleY = scaleY; |
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94 | } |
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95 | |
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96 | /** |
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97 | \param barImage An image for the Bar |
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98 | */ |
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99 | void GLMenuImageScreen::setBarImage(const char* barImage) |
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100 | { |
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101 | this->barMat->setDiffuseMap(barImage); |
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102 | } |
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103 | |
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104 | /** |
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105 | \brief sets the Position and the Size of the bar |
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106 | \param barX The Position in the x-direction in percent of the screen (0-1) |
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107 | \param barY The Position in the y-direction in percent of the screen (0-1) |
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108 | \param barW The Size in the x-direction in percent of the screen (0-1) |
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109 | \param barH The Size in the y-direction in percent of the screen (0-1) |
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110 | */ |
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111 | void GLMenuImageScreen::setBarPosScale(float barX, float barY, float barW, float barH) |
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112 | { |
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113 | this->barX = barX; |
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114 | this->barY = barY; |
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115 | this->barW = barW; |
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116 | this->barH = barH; |
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117 | } |
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118 | |
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119 | |
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120 | /** |
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121 | \brief set the maximum of countable steps |
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122 | \param maximum of steps |
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123 | */ |
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124 | void GLMenuImageScreen::setMaximum(int maxValue) |
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125 | { |
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126 | this->maxValue = maxValue; |
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127 | } |
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128 | |
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129 | |
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130 | /** |
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131 | \brief gets the maximum of countable steps |
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132 | */ |
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133 | int GLMenuImageScreen::getMaximum() |
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134 | { |
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135 | return this->maxValue; |
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136 | } |
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137 | |
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138 | |
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139 | /** |
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140 | \brief set current value |
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141 | \param current value |
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142 | */ |
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143 | void GLMenuImageScreen::setValue(int currentValue) |
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144 | { |
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145 | this->currentValue = currentValue; |
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146 | this->draw(); |
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147 | } |
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148 | |
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149 | |
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150 | /** |
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151 | \brief get the current value |
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152 | */ |
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153 | int GLMenuImageScreen::getValue() |
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154 | { |
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155 | return this->currentValue; |
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156 | } |
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157 | |
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158 | |
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159 | /** |
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160 | \brief call this to trigger a progress event |
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161 | |
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162 | this has to redraw the progress bar and the whole image |
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163 | */ |
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164 | void GLMenuImageScreen::step () |
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165 | { |
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166 | this->currentValue++; |
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167 | this->draw(); |
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168 | } |
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169 | |
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170 | |
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171 | |
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172 | /** |
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173 | \brief draws the ImageScreen to the screenbuffer |
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174 | */ |
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175 | void GLMenuImageScreen::draw () |
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176 | { |
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177 | glClear( GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); |
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178 | |
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179 | PRINTF(4)("GLMenuImagEscreen::draw() - drawing step %i/%i\n", |
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180 | this->currentValue, this->maxValue); |
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181 | |
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182 | /* screen size */ |
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183 | int screenWidth = GraphicsEngine::getInstance()->getResolutionX(); |
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184 | int screenHeight = GraphicsEngine::getInstance()->getResolutionY(); |
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185 | |
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186 | int imageWidth = (int)(screenWidth * this->scaleX); |
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187 | int imageHeight = (int)(screenHeight * this->scaleY); |
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188 | |
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189 | int offsetX = (int)(this->offsetX * screenWidth); |
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190 | int offsetY = (int)(this->offsetY * screenHeight); |
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191 | |
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192 | /* loadbar pos */ |
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193 | int barX = (int)(this->barX *screenWidth); |
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194 | int barY = (int)(this->barY *screenHeight); |
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195 | int barW = (int)(this->barW *screenWidth); |
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196 | int barH = (int)(this->barH *screenHeight); |
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197 | |
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198 | int val = (int)(((float)this->currentValue/(float)this->maxValue) |
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199 | * this->barW * (float)screenWidth); |
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200 | if( val > barW) |
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201 | val = barW; |
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202 | |
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203 | GraphicsEngine::enter2DMode(); |
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204 | |
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205 | /* draw the BackGround */ |
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206 | backMat->select(); |
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207 | glBegin(GL_TRIANGLE_STRIP); |
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208 | glTexCoord2i(0, 0); glVertex2i(offsetX, offsetY + imageHeight); |
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209 | glTexCoord2i(1, 0); glVertex2i(offsetX +imageWidth, offsetY + imageHeight); |
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210 | glTexCoord2i(0, 1); glVertex2i(offsetX, offsetY); |
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211 | glTexCoord2i(1, 1); glVertex2i(offsetX + imageWidth, offsetY); |
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212 | glEnd(); |
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213 | |
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214 | glDisable(GL_TEXTURE_2D); |
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215 | /* draw white border */ |
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216 | glBegin(GL_LINE_LOOP); |
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217 | glColor3f(1.0, 1.0, 1.0); |
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218 | glVertex2i(barX - 2, barY - 2); |
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219 | glVertex2i(barX + barW + 2, barY - 2); |
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220 | glVertex2i(barX + barW + 2, barY + barH + 2); |
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221 | glVertex2i(barX - 2, barY + barH + 2); |
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222 | glColor3f(1.0, 1.0, 1.0); |
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223 | glEnd(); |
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224 | |
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225 | /* draw the progress bar */ |
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226 | barMat->select(); |
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227 | glBegin(GL_TRIANGLE_STRIP); |
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228 | glTexCoord2i(0, 0); glVertex2i(barX, barY + barH); |
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229 | glTexCoord2i(1, 0); glVertex2i(barX + val, barY + barH); |
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230 | glTexCoord2i(0, 1); glVertex2i(barX, barY); |
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231 | glTexCoord2i(1, 1); glVertex2i(barX + val, barY); |
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232 | glEnd(); |
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233 | |
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234 | /* |
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235 | glBegin(GL_QUADS); |
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236 | glColor3f(0.0, 0.0, 0.0); |
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237 | glVertex2i(barX, barY); |
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238 | glVertex2i(barX + barWidth, barY); |
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239 | glVertex2i(barX + barWidth, barY + barHeight); |
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240 | glVertex2i(barX, barY + barHeight); |
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241 | glColor3f(1.0, 1.0, 1.0); |
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242 | glEnd(); |
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243 | |
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244 | /* draw black border |
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245 | glBegin(GL_QUADS); |
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246 | glColor3f(0.0, 0.0, 0.0); |
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247 | glVertex2i(barX-1, barY-1); |
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248 | glVertex2i(barX + barWidth +1, barY-1); |
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249 | glVertex2i(barX + barWidth+1, barY + barHeight+1); |
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250 | glVertex2i(barX - 1, barY + barHeight +1); |
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251 | glColor3f(1.0, 1.0, 1.0); |
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252 | glEnd(); |
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253 | |
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254 | */ |
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255 | |
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256 | GraphicsEngine::leave2DMode(); |
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257 | |
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258 | SDL_GL_SwapBuffers(); |
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259 | } |
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260 | |
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261 | |
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