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<a href="_maze_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "<a class="code" href="_maze_8h.html">Maze.h</a>"</span>
<a name="l00002"></a>00002
<a name="l00003"></a><a class="code" href="class_maze.html#a7ecf1da4b9685f97bf3110a8479e724b">00003</a> <a class="code" href="class_maze.html#a7ecf1da4b9685f97bf3110a8479e724b" title="Creates an empty Maze with width and height of zero.">Maze::Maze</a>()
<a name="l00004"></a>00004 :_width(0),
<a name="l00005"></a>00005 _height(0)
<a name="l00006"></a>00006 {
<a name="l00007"></a>00007 }
<a name="l00008"></a>00008
<a name="l00009"></a><a class="code" href="class_maze.html#ae238f9a5dbae9418f78f158ced6decf8">00009</a> <span class="keywordtype">void</span> <a class="code" href="class_maze.html#ae238f9a5dbae9418f78f158ced6decf8" title="Generates a new Maze from the vector of wall coordinates.">Maze::generateMaze</a>(<span class="keyword">const</span> vector<pair<int,int> >& walls, <span class="keywordtype">int</span> maxObjectX, <span class="keywordtype">int</span> maxObjectY)
<a name="l00010"></a>00010 {
<a name="l00011"></a>00011 <span class="comment">//find bounds so that rectangular vector can be generated</span>
<a name="l00012"></a>00012 <span class="keywordtype">int</span> maxX = maxObjectX;
<a name="l00013"></a>00013 <span class="keywordtype">int</span> maxY = maxObjectY;
<a name="l00014"></a>00014 <span class="keywordflow">for</span> (vector<pair<int,int> >::const_iterator iter = walls.begin(); iter!=walls.end(); ++iter)
<a name="l00015"></a>00015 {
<a name="l00016"></a>00016 <span class="keywordflow">if</span> (iter->first > maxX) maxX = iter->first;
<a name="l00017"></a>00017 <span class="keywordflow">if</span> (iter->second > maxY) maxY = iter->second;
<a name="l00018"></a>00018 }
<a name="l00019"></a>00019 <a class="code" href="class_maze.html#a981c764d7ad04ca06bd8dee472578ce4" title="The number of blocks in each row.">_width</a> = maxX+1; <span class="comment">//need to convert from highest index to required size</span>
<a name="l00020"></a>00020 <a class="code" href="class_maze.html#a02f1ff55e76161495bbe11bc4c0e5f54" title="The number of blocks in each column.">_height</a> = maxY+1;
<a name="l00021"></a>00021
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <a class="code" href="class_maze.html#a3f0247841ddb8a6b5b8b5eeff86b754a" title="The 2 dimensional vector that stores the locations of walls.">_wallLocations</a>.clear();
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x=0; x<<a class="code" href="class_maze.html#a981c764d7ad04ca06bd8dee472578ce4" title="The number of blocks in each row.">_width</a>; ++x)
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 <a class="code" href="class_maze.html#a3f0247841ddb8a6b5b8b5eeff86b754a" title="The 2 dimensional vector that stores the locations of walls.">_wallLocations</a>.push_back(vector<bool>());
<a name="l00028"></a>00028 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y=0; y<<a class="code" href="class_maze.html#a02f1ff55e76161495bbe11bc4c0e5f54" title="The number of blocks in each column.">_height</a>; ++y)
<a name="l00029"></a>00029 {
<a name="l00030"></a>00030 <a class="code" href="class_maze.html#a3f0247841ddb8a6b5b8b5eeff86b754a" title="The 2 dimensional vector that stores the locations of walls.">_wallLocations</a>.back().push_back(<span class="keyword">false</span>);
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keywordflow">for</span> (vector<pair<int,int> >::const_iterator iter = walls.begin(); iter!=walls.end(); ++iter)
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <a class="code" href="class_maze.html#a3f0247841ddb8a6b5b8b5eeff86b754a" title="The 2 dimensional vector that stores the locations of walls.">_wallLocations</a>.at(iter->first).at(iter->second) = <span class="keyword">true</span>;
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 }
<a name="l00039"></a>00039
<a name="l00040"></a><a class="code" href="class_maze.html#a1bbdfece82c4ba90ffcf2fea52e5fef1">00040</a> <span class="keywordtype">bool</span> <a class="code" href="class_maze.html#a1bbdfece82c4ba90ffcf2fea52e5fef1" title="Checks if a given position contains a wall or not.">Maze::getSolid</a>(<span class="keyword">const</span> <span class="keywordtype">int</span>& x, <span class="keyword">const</span> <span class="keywordtype">int</span>& y)<span class="keyword"> const</span>
<a name="l00041"></a>00041 <span class="keyword"></span>{
<a name="l00042"></a>00042 <span class="keywordflow">if</span> (x<0 || y<0) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00043"></a>00043 <span class="keywordflow">if</span> (x>=<a class="code" href="class_maze.html#a6963ffbb8e10f5ca72ddc749b3f29419" title="Provides access to the width of the Maze object.">width</a>() || y>=<a class="code" href="class_maze.html#a53de30abea69713225ab77703e753d81" title="Provides access to the height of the Maze object.">height</a>()) <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00044"></a>00044 <span class="comment">//bounds have already been checked, can use more efficient, less safe, indexing</span>
<a name="l00045"></a>00045 <span class="keywordflow">return</span> <a class="code" href="class_maze.html#a3f0247841ddb8a6b5b8b5eeff86b754a" title="The 2 dimensional vector that stores the locations of walls.">_wallLocations</a>[x][y];
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a><a class="code" href="class_maze.html#a6963ffbb8e10f5ca72ddc749b3f29419">00048</a> <span class="keywordtype">int</span> <a class="code" href="class_maze.html#a6963ffbb8e10f5ca72ddc749b3f29419" title="Provides access to the width of the Maze object.">Maze::width</a>()<span class="keyword"> const</span>
<a name="l00049"></a>00049 <span class="keyword"></span>{
<a name="l00050"></a>00050 <span class="keywordflow">return</span> <a class="code" href="class_maze.html#a981c764d7ad04ca06bd8dee472578ce4" title="The number of blocks in each row.">_width</a>;
<a name="l00051"></a>00051 }
<a name="l00052"></a><a class="code" href="class_maze.html#a53de30abea69713225ab77703e753d81">00052</a> <span class="keywordtype">int</span> <a class="code" href="class_maze.html#a53de30abea69713225ab77703e753d81" title="Provides access to the height of the Maze object.">Maze::height</a>()<span class="keyword"> const</span>
<a name="l00053"></a>00053 <span class="keyword"></span>{
<a name="l00054"></a>00054 <span class="keywordflow">return</span> <a class="code" href="class_maze.html#a02f1ff55e76161495bbe11bc4c0e5f54" title="The number of blocks in each column.">_height</a>;
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056
<a name="l00057"></a><a class="code" href="class_maze.html#a79cf362b55c21634a93ef6b7d192b77c">00057</a> <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28f" title="Defines the directions in which movement can happen in the maze.">Maze::Direction</a> <a class="code" href="class_maze.html#a79cf362b55c21634a93ef6b7d192b77c" title="Inverts a given direction, to give the value to face in the opposite direction.">Maze::backwards</a>(<a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28f" title="Defines the directions in which movement can happen in the maze.">Direction</a> forwards)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28f" title="Defines the directions in which movement can happen in the maze.">Direction</a> <a class="code" href="class_maze.html#a79cf362b55c21634a93ef6b7d192b77c" title="Inverts a given direction, to give the value to face in the opposite direction.">backwards</a>;
<a name="l00060"></a>00060 <span class="keywordflow">switch</span> (forwards)
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 <span class="keywordflow">case</span> <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28faab1a1fe0274cd139b3c0116d8caf458c">LEFT</a>:
<a name="l00063"></a>00063 backwards = <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fa699ae3e1d989e9b12bd200aa86e29e9d">RIGHT</a>;
<a name="l00064"></a>00064 <span class="keywordflow">break</span>;
<a name="l00065"></a>00065 <span class="keywordflow">case</span> <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fa699ae3e1d989e9b12bd200aa86e29e9d">RIGHT</a>:
<a name="l00066"></a>00066 backwards = <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28faab1a1fe0274cd139b3c0116d8caf458c">LEFT</a>;
<a name="l00067"></a>00067 <span class="keywordflow">break</span>;
<a name="l00068"></a>00068 <span class="keywordflow">case</span> <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fad2e008a4b04be5e2d3559c70193920e7">UP</a>:
<a name="l00069"></a>00069 backwards = <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fa89ab143d020541957ab5e0e9cfdd3e23">DOWN</a>;
<a name="l00070"></a>00070 <span class="keywordflow">break</span>;
<a name="l00071"></a>00071 <span class="keywordflow">case</span> <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fa89ab143d020541957ab5e0e9cfdd3e23">DOWN</a>:
<a name="l00072"></a>00072 backwards = <a class="code" href="class_maze.html#ad12c28d50f4d7457160a70a94acfe28fad2e008a4b04be5e2d3559c70193920e7">UP</a>;
<a name="l00073"></a>00073 <span class="keywordflow">break</span>;
<a name="l00074"></a>00074 }
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordflow">return</span> <a class="code" href="class_maze.html#a79cf362b55c21634a93ef6b7d192b77c" title="Inverts a given direction, to give the value to face in the opposite direction.">backwards</a>;
<a name="l00077"></a>00077 }
</pre></div></div>
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