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<div id="projectname">YAGE
 <span id="projectnumber">0.02</span>
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<li class="navelem"><a class="el" href="dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="dir_f562165b51c585c003877be645f219b5.html">YAGE</a></li> </ul>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* ----------------------------------------------------------------------------</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * spritebatch.hpp</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (c) 2017 Yann Herklotz Grave <ymherklotz@gmail.com> -- MIT License</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * See file LICENSE for more details</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * ----------------------------------------------------------------------------</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> */</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#ifndef YAGE_SPRITE_BATCH_HPP</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#define YAGE_SPRITE_BATCH_HPP</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "vertex.hpp"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <GL/glew.h></span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include <glm/glm.hpp></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#include <vector></span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">namespace </span><a class="code" href="namespaceyage.html">yage</a> {</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> </div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">class </span>SpriteBatch;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="classyage_1_1Glyph.html"> 25</a></span> <span class="keyword">class </span><a class="code" href="classyage_1_1Glyph.html">Glyph</a> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="comment">// member variables</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  GLuint texture_;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keywordtype">float</span> depth_;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  Vertex top_left_;</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  Vertex top_right_;</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  Vertex bottom_right_;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  Vertex bottom_left_;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="comment">// member functions</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <a class="code" href="classyage_1_1Glyph.html">Glyph</a>(GLuint texture, <span class="keywordtype">float</span> depth, <span class="keyword">const</span> Vertex& top_left,</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keyword">const</span> Vertex& top_right, <span class="keyword">const</span> Vertex& bottom_right,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">const</span> Vertex& bottom_left);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  GLuint texture()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> texture_; }</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordtype">float</span> depth()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> depth_; }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  Vertex top_left()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> top_left_; }</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  Vertex top_right()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> top_right_; }</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  Vertex bottom_right()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> bottom_right_; }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  Vertex bottom_left()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> bottom_left_; }</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> };</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">class </span>RenderBatch {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keyword">friend</span> SpriteBatch;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// member variables</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  GLsizei num_vertices_;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  GLint offset_;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  GLuint texture_;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="comment">// member functions</span></div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  RenderBatch(GLint offset, GLsizei num_vertices, GLuint texture);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00066"></a><span class="lineno"><a class="line" href="group__getters.html#ga6bedb60b10b6d47b7b198d3cb53eea2a"> 66</a></span>  GLint <a class="code" href="group__getters.html#ga6bedb60b10b6d47b7b198d3cb53eea2a">offset</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> offset_; }</div><div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="group__getters.html#gad5edaded9e6257aa2f3a3b7cae276307"> 68</a></span>  GLsizei <a class="code" href="group__getters.html#gad5edaded9e6257aa2f3a3b7cae276307">num_vertices</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> num_vertices_; }</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  GLuint texture()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> texture_; }</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> };</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="keyword">class </span>SpriteBatch {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="comment">// member variables</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> NUM_VERTICES = 6;</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  GLuint vbo_ = 0;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  GLuint vao_ = 0;</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::vector<Glyph> glyphs_;</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  std::vector<Glyph*> glyph_ptrs_;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  std::vector<RenderBatch> render_batches_;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> </div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="comment">// member functions</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  SpriteBatch();</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  SpriteBatch(<span class="keyword">const</span> SpriteBatch&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  SpriteBatch(SpriteBatch&&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  ~SpriteBatch();</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> </div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  SpriteBatch& operator=(<span class="keyword">const</span> SpriteBatch&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  SpriteBatch& operator=(SpriteBatch&&) = <span class="keyword">delete</span>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="comment">// initialize vaos and vbos</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> init();</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">void</span> begin();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">void</span> end();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="comment">// adds a sprite to the sprite batch to be rendered later</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> draw(<span class="keyword">const</span> glm::vec4& destination_rect, <span class="keyword">const</span> glm::vec4& uv_rect,</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  GLuint texture, <span class="keyword">const</span> Color& color, <span class="keywordtype">float</span> depth);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// render the batch</span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordtype">void</span> render();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keywordtype">void</span> createVertexArray();</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">void</span> createRenderBatches();</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordtype">void</span> sortGlyphs();</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> };</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> } <span class="comment">// yage</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="group__getters_html_gad5edaded9e6257aa2f3a3b7cae276307"><div class="ttname"><a href="group__getters.html#gad5edaded9e6257aa2f3a3b7cae276307">yage::RenderBatch::num_vertices</a></div><div class="ttdeci">GLsizei num_vertices() const</div><div class="ttdoc">num_vertices </div><div class="ttdef"><b>Definition:</b> spritebatch.hpp:68</div></div>
<div class="ttc" id="classyage_1_1Glyph_html"><div class="ttname"><a href="classyage_1_1Glyph.html">yage::Glyph</a></div><div class="ttdoc">Glyph with information of the texture. </div><div class="ttdef"><b>Definition:</b> spritebatch.hpp:25</div></div>
<div class="ttc" id="namespaceyage_html"><div class="ttname"><a href="namespaceyage.html">yage</a></div><div class="ttdef"><b>Definition:</b> camera2d.hpp:17</div></div>
<div class="ttc" id="group__getters_html_ga6bedb60b10b6d47b7b198d3cb53eea2a"><div class="ttname"><a href="group__getters.html#ga6bedb60b10b6d47b7b198d3cb53eea2a">yage::RenderBatch::offset</a></div><div class="ttdeci">GLint offset() const</div><div class="ttdoc">Offset. </div><div class="ttdef"><b>Definition:</b> spritebatch.hpp:66</div></div>
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