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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="keyword">namespace </span><a class="code" href="namespaceblackbone.html">blackbone</a></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> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="keyword">template</span><<span class="keyword">typename</span> R, <span class="keyword">typename</span>... Args, <span class="keyword">class </span>C></div>
<div class="line"><a name="l00007"></a><span class="lineno"><a class="line" href="structblackbone_1_1_hook_handler_3_01_r_07____fastcall_01_5_08_07_args_8_8_8_08_00_01_c_01_4.html"> 7</a></span> <span class="keyword">struct </span><a class="code" href="structblackbone_1_1_hook_handler.html">HookHandler</a><R( __fastcall* )(Args...), C> : <span class="keyword">public</span> <a class="code" href="classblackbone_1_1_detour_base.html">DetourBase</a></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="keyword">typedef</span> <span class="keyword">typename</span> std::conditional<std::is_same<R, void>::value, int, R>::type ReturnType;</div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>  <span class="keyword">typedef</span> R( __fastcall *type )(Args...);</div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>  <span class="keyword">typedef</span> R( __fastcall *hktype )(Args&...);</div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  <span class="keyword">typedef</span> R( C::*hktypeC )(Args&...);</div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <span class="comment">// Workaround for void return type</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="comment">//</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  <span class="keyword">typedef</span> ReturnType( __fastcall *typeR )(Args...);</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keyword">typedef</span> ReturnType( __fastcall *hktypeR )(Args&...);</div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  <span class="keyword">typedef</span> ReturnType( C::*hktypeCR )(Args&...);</div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  <span class="keyword">static</span> __declspec(noinline) ReturnType __fastcall Handler( Args... args )</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  {</div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="structblackbone_1_1_hook_handler.html">HookHandler</a>* pInst = (<a class="code" href="structblackbone_1_1_hook_handler.html">HookHandler</a>*)((_NT_TIB*)NtCurrentTeb())->ArbitraryUserPointer;</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordflow">return</span> pInst->HandlerP( std::forward<Args>( args )... );</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  }</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  ReturnType HandlerP( Args&&... args )</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  ReturnType val_new, val_original;</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>  DisableHook();</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (_order == CallOrder::HookFirst)</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>  val_new = CallCallback( std::forward<Args>( args )... );</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  val_original = CallOriginal( std::forward<Args>( args )... );</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  }</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_order == CallOrder::HookLast)</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>  val_original = CallOriginal( std::forward<Args>( args )... );</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  val_new = CallCallback( std::forward<Args>( args )... );</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  }</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  val_original = val_new = CallOriginal( std::forward<Args>( args )... );</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>  EnableHook();</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="keywordflow">return</span> (_retType == ReturnMethod::UseOriginal ? val_original : val_new);</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">inline</span> ReturnType CallOriginal( Args&&... args )</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>  <span class="keywordflow">return</span> (reinterpret_cast<typeR>(_callOriginal))(args...);</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> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keyword">inline</span> ReturnType CallCallback( Args&&... args )</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  {</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">if</span> (_callbackClass != <span class="keyword">nullptr</span>)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> ((C*)_callbackClass->*brutal_cast<hktypeCR>(_callback))(args...);</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> (reinterpret_cast<hktypeR>(_callback))(args...);</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</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> </div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> }</div>
<div class="ttc" id="classblackbone_1_1_detour_base_html"><div class="ttname"><a href="classblackbone_1_1_detour_base.html">blackbone::DetourBase</a></div><div class="ttdef"><b>Definition:</b> LocalHookBase.h:48</div></div>
<div class="ttc" id="structblackbone_1_1_hook_handler_html"><div class="ttname"><a href="structblackbone_1_1_hook_handler.html">blackbone::HookHandler</a></div><div class="ttdef"><b>Definition:</b> HookHandlers.h:12</div></div>
<div class="ttc" id="namespaceblackbone_html"><div class="ttname"><a href="namespaceblackbone.html">blackbone</a></div><div class="ttdef"><b>Definition:</b> AsmHelper32.cpp:6</div></div>
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