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<div class="headertitle"><div class="title">text_class.cpp</div></div>
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<div class="contents">
<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="preprocessor">#include &quot;text_class.h&quot;</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span> </div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span> </div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span>text_class::text_class()</div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span>{</div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span> m_vertexBuffer = 0;</div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span> m_indexBuffer = 0;</div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span>}</div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span> </div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span>text_class::text_class(<span class="keyword">const</span> <a class="code hl_class" href="classtext__class.html">text_class</a>&amp; other)</div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span>{</div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span>}</div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span> </div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span>text_class::~text_class()</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span>{</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span>}</div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span> </div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="keywordtype">bool</span> text_class::Initialize(ID3D11Device* device, ID3D11DeviceContext* deviceContext, <span class="keywordtype">int</span> screenWidth, <span class="keywordtype">int</span> screenHeight, <span class="keywordtype">int</span> maxLength, <a class="code hl_class" href="classfont__class.html">font_class</a>* Font, <span class="keywordtype">char</span>* text,</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span> <span class="keywordtype">int</span> positionX, <span class="keywordtype">int</span> positionY, <span class="keywordtype">float</span> red, <span class="keywordtype">float</span> green, <span class="keywordtype">float</span> blue)</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span>{</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span> <span class="keywordtype">bool</span> result;</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span> <span class="comment">// Store the screen width and height.</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span> m_screenWidth = screenWidth;</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span> m_screenHeight = screenHeight;</div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span> </div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> <span class="comment">// Store the maximum length of the sentence.</span></div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span> m_maxLength = maxLength;</div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span> <span class="comment">// Initalize the sentence.</span></div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span> result = InitializeBuffers(device, deviceContext, Font, text, positionX, positionY, red, green, blue);</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> <span class="keywordflow">if</span> (!result)</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> {</div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> }</div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span>}</div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span><span class="keywordtype">void</span> text_class::Shutdown()</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span>{</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// Release the vertex and index buffers.</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> ShutdownBuffers();</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> </div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span>}</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> </div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="keywordtype">void</span> text_class::Render(ID3D11DeviceContext* deviceContext)</div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span>{</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="comment">// Put the vertex and index buffers on the graphics pipeline to prepare them for drawing.</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> RenderBuffers(deviceContext);</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span>}</div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="keywordtype">int</span> text_class::GetIndexCount()</div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span>{</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> <span class="keywordflow">return</span> m_indexCount;</div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span>}</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="keywordtype">bool</span> text_class::InitializeBuffers(ID3D11Device* device, ID3D11DeviceContext* deviceContext, <a class="code hl_class" href="classfont__class.html">font_class</a>* Font, <span class="keywordtype">char</span>* text, <span class="keywordtype">int</span> positionX, <span class="keywordtype">int</span> positionY, <span class="keywordtype">float</span> red, <span class="keywordtype">float</span> green, <span class="keywordtype">float</span> blue)</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span>{</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> VertexType* vertices;</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>* indices;</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> D3D11_BUFFER_DESC vertexBufferDesc, indexBufferDesc;</div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> D3D11_SUBRESOURCE_DATA vertexData, indexData;</div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> HRESULT result;</div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> <span class="keywordtype">int</span> i;</div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> <span class="comment">// Set the vertex and index count.</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> m_vertexCount = 6 * m_maxLength;</div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> m_indexCount = m_vertexCount;</div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// Create the vertex array.</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> vertices = <span class="keyword">new</span> VertexType[m_vertexCount];</div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> </div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> <span class="comment">// Create the index array.</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> indices = <span class="keyword">new</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span>[m_indexCount];</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> </div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="comment">// Initialize vertex array to zeros at first.</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> memset(vertices, 0, (<span class="keyword">sizeof</span>(VertexType) * m_vertexCount));</div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> </div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="comment">// Initialize the index array.</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">for</span> (i = 0; i &lt; m_indexCount; i++)</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> {</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> indices[i] = i;</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> </div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> <span class="comment">// Set up the description of the dynamic vertex buffer.</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> vertexBufferDesc.Usage = D3D11_USAGE_DYNAMIC;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> vertexBufferDesc.ByteWidth = <span class="keyword">sizeof</span>(VertexType) * m_vertexCount;</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> vertexBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;</div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> vertexBufferDesc.MiscFlags = 0;</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> vertexBufferDesc.StructureByteStride = 0;</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="comment">// Give the subresource structure a pointer to the vertex data.</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> vertexData.pSysMem = vertices;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> vertexData.SysMemPitch = 0;</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> vertexData.SysMemSlicePitch = 0;</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="comment">// Create the vertex buffer.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> result = device-&gt;CreateBuffer(&amp;vertexBufferDesc, &amp;vertexData, &amp;m_vertexBuffer);</div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="keywordflow">if</span> (FAILED(result))</div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> {</div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> }</div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> </div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="comment">// Set up the description of the static index buffer.</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> indexBufferDesc.Usage = D3D11_USAGE_DEFAULT;</div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> indexBufferDesc.ByteWidth = <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> long) * m_indexCount;</div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> indexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;</div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> indexBufferDesc.CPUAccessFlags = 0;</div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> indexBufferDesc.MiscFlags = 0;</div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> indexBufferDesc.StructureByteStride = 0;</div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> </div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// Give the subresource structure a pointer to the index data.</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> indexData.pSysMem = indices;</div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> indexData.SysMemPitch = 0;</div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> indexData.SysMemSlicePitch = 0;</div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> <span class="comment">// Create the index buffer.</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> result = device-&gt;CreateBuffer(&amp;indexBufferDesc, &amp;indexData, &amp;m_indexBuffer);</div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> <span class="keywordflow">if</span> (FAILED(result))</div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> {</div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> }</div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">// Release the vertex array as it is no longer needed.</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> <span class="keyword">delete</span>[] vertices;</div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> vertices = 0;</div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> </div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> <span class="comment">// Release the index array as it is no longer needed.</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> <span class="keyword">delete</span>[] indices;</div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> indices = 0;</div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> </div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> <span class="comment">// Now add the text data to the sentence buffers.</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> result = UpdateText(deviceContext, Font, text, positionX, positionY, red, green, blue);</div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="keywordflow">if</span> (!result)</div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> {</div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> }</div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> </div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span>}</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> </div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span><span class="keywordtype">void</span> text_class::ShutdownBuffers()</div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span>{</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="comment">// Release the index buffer.</span></div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> <span class="keywordflow">if</span> (m_indexBuffer)</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> {</div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> m_indexBuffer-&gt;Release();</div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> m_indexBuffer = 0;</div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> }</div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="comment">// Release the vertex buffer.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> <span class="keywordflow">if</span> (m_vertexBuffer)</div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {</div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> m_vertexBuffer-&gt;Release();</div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> m_vertexBuffer = 0;</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> }</div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> </div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span>}</div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span><span class="keywordtype">bool</span> text_class::UpdateText(ID3D11DeviceContext* deviceContext, <a class="code hl_class" href="classfont__class.html">font_class</a>* Font, <span class="keywordtype">char</span>* text, <span class="keywordtype">int</span> positionX, <span class="keywordtype">int</span> positionY, <span class="keywordtype">float</span> red, <span class="keywordtype">float</span> green, <span class="keywordtype">float</span> blue)</div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>{</div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> <span class="keywordtype">int</span> numLetters;</div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"> 172</span> VertexType* vertices;</div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordtype">float</span> drawX, drawY;</div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span> HRESULT result;</div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span> D3D11_MAPPED_SUBRESOURCE mappedResource;</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno"> 176</span> VertexType* verticesPtr;</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno"> 177</span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno"> 178</span> <span class="comment">// Store the color of the sentence.</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno"> 179</span> m_pixelColor = XMFLOAT4(red, green, blue, 1.0f);</div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno"> 180</span> </div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno"> 181</span> <span class="comment">// Get the number of letters in the sentence.</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno"> 182</span> numLetters = (int)strlen(text);</div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno"> 183</span> </div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Check for possible buffer overflow.</span></div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno"> 185</span> <span class="keywordflow">if</span> (numLetters &gt; m_maxLength)</div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno"> 186</span> {</div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno"> 187</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno"> 188</span> }</div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno"> 189</span> </div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno"> 190</span> <span class="comment">// Create the vertex array.</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno"> 191</span> vertices = <span class="keyword">new</span> VertexType[m_vertexCount];</div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno"> 192</span> </div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno"> 193</span> <span class="comment">// Initialize vertex array to zeros at first.</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno"> 194</span> memset(vertices, 0, (<span class="keyword">sizeof</span>(VertexType) * m_vertexCount));</div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno"> 195</span> </div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno"> 196</span> <span class="comment">// Calculate the X and Y pixel position on the screen to start drawing to.</span></div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno"> 197</span> drawX = (float)(((m_screenWidth / 2) * -1) + positionX);</div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno"> 198</span> drawY = (float)((m_screenHeight / 2) - positionY);</div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno"> 199</span> </div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno"> 200</span> <span class="comment">// Use the font class to build the vertex array from the sentence text and sentence draw location.</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno"> 201</span> Font-&gt;BuildVertexArray((<span class="keywordtype">void</span>*)vertices, text, drawX, drawY);</div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno"> 202</span> </div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno"> 203</span> <span class="comment">// Lock the vertex buffer so it can be written to.</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno"> 204</span> result = deviceContext-&gt;Map(m_vertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &amp;mappedResource);</div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno"> 205</span> <span class="keywordflow">if</span> (FAILED(result))</div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno"> 206</span> {</div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno"> 207</span> <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno"> 208</span> }</div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno"> 209</span> </div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno"> 210</span> <span class="comment">// Get a pointer to the data in the vertex buffer.</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno"> 211</span> verticesPtr = (VertexType*)mappedResource.pData;</div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno"> 212</span> </div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno"> 213</span> <span class="comment">// Copy the data into the vertex buffer.</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno"> 214</span> memcpy(verticesPtr, (<span class="keywordtype">void</span>*)vertices, (<span class="keyword">sizeof</span>(VertexType) * m_vertexCount));</div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno"> 215</span> </div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno"> 216</span> <span class="comment">// Unlock the vertex buffer.</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno"> 217</span> deviceContext-&gt;Unmap(m_vertexBuffer, 0);</div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno"> 218</span> </div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno"> 219</span> <span class="comment">// Release the vertex array as it is no longer needed.</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno"> 220</span> <span class="keyword">delete</span>[] vertices;</div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno"> 221</span> vertices = 0;</div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno"> 222</span> </div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno"> 223</span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno"> 224</span>}</div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno"> 225</span> </div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno"> 226</span><span class="keywordtype">void</span> text_class::RenderBuffers(ID3D11DeviceContext* deviceContext)</div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno"> 227</span>{</div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno"> 228</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> stride, offset;</div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno"> 229</span> </div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno"> 230</span> </div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno"> 231</span> <span class="comment">// Set vertex buffer stride and offset.</span></div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno"> 232</span> stride = <span class="keyword">sizeof</span>(VertexType);</div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno"> 233</span> offset = 0;</div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno"> 234</span> </div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno"> 235</span> <span class="comment">// Set the vertex buffer to active in the input assembler so it can be rendered.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno"> 236</span> deviceContext-&gt;IASetVertexBuffers(0, 1, &amp;m_vertexBuffer, &amp;stride, &amp;offset);</div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno"> 237</span> </div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno"> 238</span> <span class="comment">// Set the index buffer to active in the input assembler so it can be rendered.</span></div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno"> 239</span> deviceContext-&gt;IASetIndexBuffer(m_indexBuffer, DXGI_FORMAT_R32_UINT, 0);</div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno"> 240</span> </div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno"> 241</span> <span class="comment">// Set the type of primitive that should be rendered from this vertex buffer, in this case triangles.</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno"> 242</span> deviceContext-&gt;IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);</div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno"> 243</span> </div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno"> 244</span> <span class="keywordflow">return</span>;</div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno"> 245</span>}</div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno"> 246</span> </div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno"> 247</span>XMFLOAT4 text_class::GetPixelColor()</div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno"> 248</span>{</div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno"> 249</span> <span class="keywordflow">return</span> m_pixelColor;</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno"> 250</span>}</div>
<div class="ttc" id="aclassfont__class_html"><div class="ttname"><a href="classfont__class.html">font_class</a></div><div class="ttdef"><b>Definition</b> <a href="font__class_8h_source.html#l00022">font_class.h:23</a></div></div>
<div class="ttc" id="aclasstext__class_html"><div class="ttname"><a href="classtext__class.html">text_class</a></div><div class="ttdef"><b>Definition</b> <a href="text__class_8h_source.html#l00012">text_class.h:13</a></div></div>
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