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| <div class="title">tilemap.hpp</div> </div> |
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| <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="preprocessor">#pragma once</span></div> |
| <div class="line"><a name="l00002"></a><span class="lineno"> 2</span>  </div> |
| <div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include <cstdint></span></div> |
| <div class="line"><a name="l00004"></a><span class="lineno"> 4</span>  </div> |
| <div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="preprocessor">#include "../32blit.hpp"</span></div> |
| <div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#include "../types/size.hpp"</span></div> |
| <div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "../types/point.hpp"</span></div> |
| <div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "../types/mat3.hpp"</span></div> |
| <div class="line"><a name="l00009"></a><span class="lineno"> 9</span>  </div> |
| <div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="keyword">namespace </span><a class="code" href="namespaceblit.html">blit</a> {</div> |
| <div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  </div> |
| <div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69f"> 12</a></span>  <span class="keyword">enum</span> <a class="code" href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69f">TMXFlags</a> {</div> |
| <div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  TMX_16Bit = (1 << 0), </div> |
| <div class="line"><a name="l00014"></a><span class="lineno"> 14</span>  <a class="code" href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69fa7f53627e8a802607be1336c0d89ad6af">TMX_Transforms</a> = (1 << 1) </div> |
| <div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69fa7f53627e8a802607be1336c0d89ad6af"> 15</a></span>  };</div> |
| <div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div> |
| <div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="preprocessor"> #pragma pack(push,1)</span></div> |
| <div class="line"><a name="l00019"></a><span class="lineno"><a class="line" href="structblit_1_1TMX.html"> 19</a></span>  <span class="keyword">struct </span><a class="code" href="structblit_1_1TMX.html">TMX</a> {</div> |
| <div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keywordtype">char</span> head[4];</div> |
| <div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  uint16_t header_length;</div> |
| <div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  uint16_t flags;</div> |
| <div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  uint16_t empty_tile;</div> |
| <div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  uint16_t width;</div> |
| <div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  uint16_t height;</div> |
| <div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  uint16_t layers;</div> |
| <div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  uint8_t data[];</div> |
| <div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  };</div> |
| <div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor"> #pragma pack(pop)</span></div> |
| <div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  </div> |
| <div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div> |
| <div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="comment">// A `tilemap` describes a grid of tiles with optional transforms</span></div> |
| <div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="structblit_1_1TileMap.html"> 33</a></span>  <span class="keyword">struct </span><a class="code" href="structblit_1_1TileMap.html">TileMap</a> {</div> |
| <div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <a class="code" href="structblit_1_1Size.html">Size</a> bounds;</div> |
| <div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div> |
| <div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  uint8_t *tiles;</div> |
| <div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  uint8_t *transforms;</div> |
| <div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="structblit_1_1Surface.html">Surface</a> *sprites;</div> |
| <div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="structblit_1_1Mat3.html">Mat3</a> transform = Mat3::identity();</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>  <span class="keyword">enum</span> {</div> |
| <div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  NONE = 0, <span class="comment">// draw nothing</span></div> |
| <div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  REPEAT = 1, <span class="comment">// infinite repeat</span></div> |
| <div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  DEFAULT_FILL = 2, <span class="comment">// fill with default tile</span></div> |
| <div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  CLAMP_TO_EDGE = 3, <span class="comment">// repeats the tile at the edge</span></div> |
| <div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  } repeat_mode = NONE; <span class="comment">// determines what to do when drawing outside of the layer bounds.</span></div> |
| <div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  uint8_t default_tile_id;</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="keywordtype">int</span> empty_tile_id = -1;</div> |
| <div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  </div> |
| <div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">enum</span> LoadFlags {</div> |
| <div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  copy_tiles = (1 << 0),</div> |
| <div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  copy_transforms = (1 << 1)</div> |
| <div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  };</div> |
| <div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  </div> |
| <div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <a class="code" href="structblit_1_1TileMap.html#aace7ea2806f3debeccf552a37bb9d96d">TileMap</a>(uint8_t *tiles, uint8_t *transforms, <a class="code" href="structblit_1_1Size.html">Size</a> bounds, <a class="code" href="structblit_1_1Surface.html">Surface</a> *sprites);</div> |
| <div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div> |
| <div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keyword">static</span> <a class="code" href="structblit_1_1TileMap.html">TileMap</a> *load_tmx(<span class="keyword">const</span> uint8_t *asset, <a class="code" href="structblit_1_1Surface.html">Surface</a> *sprites, <span class="keywordtype">int</span> layer = 0, <span class="keywordtype">int</span> flags = copy_tiles | copy_transforms);</div> |
| <div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  </div> |
| <div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keyword">inline</span> int32_t offset(<span class="keyword">const</span> <a class="code" href="structblit_1_1Point.html">Point</a> &p) {<span class="keywordflow">return</span> offset(p.x, p.y);} <span class="comment">// __attribute__((always_inline));</span></div> |
| <div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  int32_t offset(int16_t x, int16_t y); <span class="comment">// __attribute__((always_inline));</span></div> |
| <div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  uint8_t <a class="code" href="structblit_1_1TileMap.html#ae046d828377b810f4cb74ca6856ce4e1">tile_at</a>(<span class="keyword">const</span> <a class="code" href="structblit_1_1Point.html">Point</a> &p); <span class="comment">// __attribute__((always_inline));</span></div> |
| <div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  uint8_t <a class="code" href="structblit_1_1TileMap.html#a39884b6ea0d627b0371cdb7be5445be9">transform_at</a>(<span class="keyword">const</span> <a class="code" href="structblit_1_1Point.html">Point</a> &p); <span class="comment">// __attribute__((always_inline));</span></div> |
| <div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  </div> |
| <div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">void</span> <a class="code" href="structblit_1_1TileMap.html#af8d409972ea5f4afeaf8fbfeaa8d4a8b">draw</a>(<a class="code" href="structblit_1_1Surface.html">Surface</a> *dest, <a class="code" href="structblit_1_1Rect.html">Rect</a> viewport, std::function<<a class="code" href="structblit_1_1Mat3.html">Mat3</a>(uint8_t)> scanline_callback = <span class="keyword">nullptr</span>);</div> |
| <div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div> |
| <div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="comment">// void mipmap_texture_span(surface *dest, point s, uint16_t c, vec2 swc, vec2 ewc);</span></div> |
| <div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keywordtype">void</span> <a class="code" href="structblit_1_1TileMap.html#ab99ad5ad604dcac3a23060a29b90a46d">texture_span</a>(<a class="code" href="structblit_1_1Surface.html">Surface</a> *dest, <a class="code" href="structblit_1_1Point.html">Point</a> s, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> c, <a class="code" href="structblit_1_1Vec2.html">Vec2</a> swc, <a class="code" href="structblit_1_1Vec2.html">Vec2</a> ewc);</div> |
| <div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  };</div> |
| <div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div> |
| <div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div> |
| <div class="ttc" id="anamespaceblit_html"><div class="ttname"><a href="namespaceblit.html">blit</a></div><div class="ttdef"><b>Definition:</b> audio.cpp:10</div></div> |
| <div class="ttc" id="anamespaceblit_html_aa7ace6db758861161c7f20b0eb8dc69f"><div class="ttname"><a href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69f">blit::TMXFlags</a></div><div class="ttdeci">TMXFlags</div><div class="ttdef"><b>Definition:</b> tilemap.hpp:12</div></div> |
| <div class="ttc" id="anamespaceblit_html_aa7ace6db758861161c7f20b0eb8dc69fa7f53627e8a802607be1336c0d89ad6af"><div class="ttname"><a href="namespaceblit.html#aa7ace6db758861161c7f20b0eb8dc69fa7f53627e8a802607be1336c0d89ad6af">blit::TMX_Transforms</a></div><div class="ttdeci">@ TMX_Transforms</div><div class="ttdoc">tile data is 16-bit</div><div class="ttdef"><b>Definition:</b> tilemap.hpp:14</div></div> |
| <div class="ttc" id="astructblit_1_1Mat3_html"><div class="ttname"><a href="structblit_1_1Mat3.html">blit::Mat3</a></div><div class="ttdef"><b>Definition:</b> mat3.hpp:6</div></div> |
| <div class="ttc" id="astructblit_1_1Point_html"><div class="ttname"><a href="structblit_1_1Point.html">blit::Point</a></div><div class="ttdef"><b>Definition:</b> point.hpp:10</div></div> |
| <div class="ttc" id="astructblit_1_1Rect_html"><div class="ttname"><a href="structblit_1_1Rect.html">blit::Rect</a></div><div class="ttdef"><b>Definition:</b> rect.hpp:11</div></div> |
| <div class="ttc" id="astructblit_1_1Size_html"><div class="ttname"><a href="structblit_1_1Size.html">blit::Size</a></div><div class="ttdef"><b>Definition:</b> size.hpp:9</div></div> |
| <div class="ttc" id="astructblit_1_1Surface_html"><div class="ttname"><a href="structblit_1_1Surface.html">blit::Surface</a></div><div class="ttdef"><b>Definition:</b> surface.hpp:112</div></div> |
| <div class="ttc" id="astructblit_1_1TMX_html"><div class="ttname"><a href="structblit_1_1TMX.html">blit::TMX</a></div><div class="ttdoc">struct header generated by the output_struct option</div><div class="ttdef"><b>Definition:</b> tilemap.hpp:19</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html"><div class="ttname"><a href="structblit_1_1TileMap.html">blit::TileMap</a></div><div class="ttdef"><b>Definition:</b> tilemap.hpp:33</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html_a39884b6ea0d627b0371cdb7be5445be9"><div class="ttname"><a href="structblit_1_1TileMap.html#a39884b6ea0d627b0371cdb7be5445be9">blit::TileMap::transform_at</a></div><div class="ttdeci">uint8_t transform_at(const Point &p)</div><div class="ttdef"><b>Definition:</b> tilemap.cpp:115</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html_aace7ea2806f3debeccf552a37bb9d96d"><div class="ttname"><a href="structblit_1_1TileMap.html#aace7ea2806f3debeccf552a37bb9d96d">blit::TileMap::TileMap</a></div><div class="ttdeci">TileMap(uint8_t *tiles, uint8_t *transforms, Size bounds, Surface *sprites)</div><div class="ttdef"><b>Definition:</b> tilemap.cpp:16</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html_ab99ad5ad604dcac3a23060a29b90a46d"><div class="ttname"><a href="structblit_1_1TileMap.html#ab99ad5ad604dcac3a23060a29b90a46d">blit::TileMap::texture_span</a></div><div class="ttdeci">void texture_span(Surface *dest, Point s, unsigned int c, Vec2 swc, Vec2 ewc)</div><div class="ttdef"><b>Definition:</b> tilemap.cpp:182</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html_ae046d828377b810f4cb74ca6856ce4e1"><div class="ttname"><a href="structblit_1_1TileMap.html#ae046d828377b810f4cb74ca6856ce4e1">blit::TileMap::tile_at</a></div><div class="ttdeci">uint8_t tile_at(const Point &p)</div><div class="ttdef"><b>Definition:</b> tilemap.cpp:100</div></div> |
| <div class="ttc" id="astructblit_1_1TileMap_html_af8d409972ea5f4afeaf8fbfeaa8d4a8b"><div class="ttname"><a href="structblit_1_1TileMap.html#af8d409972ea5f4afeaf8fbfeaa8d4a8b">blit::TileMap::draw</a></div><div class="ttdeci">void draw(Surface *dest, Rect viewport, std::function< Mat3(uint8_t)> scanline_callback=nullptr)</div><div class="ttdef"><b>Definition:</b> tilemap.cpp:131</div></div> |
| <div class="ttc" id="astructblit_1_1Vec2_html"><div class="ttname"><a href="structblit_1_1Vec2.html">blit::Vec2</a></div><div class="ttdef"><b>Definition:</b> vec2.hpp:9</div></div> |
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