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<hr><h1>zone_manager.cpp</h1><a href="zone__manager_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.</font>
00008 <font class="comment"> *</font>
00009 <font class="comment"> * This file is part of NEVRAX D.T.C. SYSTEM.</font>
00010 <font class="comment"> * NEVRAX D.T.C. SYSTEM is free software; you can redistribute it and/or modify</font>
00011 <font class="comment"> * it under the terms of the GNU General Public License as published by</font>
00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)</font>
00013 <font class="comment"> * any later version.</font>
00014 <font class="comment"></font>
00015 <font class="comment"> * NEVRAX D.T.C. SYSTEM is distributed in the hope that it will be useful, but</font>
00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</font>
00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</font>
00018 <font class="comment"> * General Public License for more details.</font>
00019 <font class="comment"></font>
00020 <font class="comment"> * You should have received a copy of the GNU General Public License</font>
00021 <font class="comment"> * along with NEVRAX D.T.C. SYSTEM; see the file COPYING. If not, write to the</font>
00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,</font>
00023 <font class="comment"> * MA 02111-1307, USA.</font>
00024 <font class="comment"> */</font>
00025 
00026 <font class="preprocessor">#include "<a class="code" href="std3d_8h.html">std3d.h</a>"</font>
00027 
00028 <font class="preprocessor">#include &lt;iostream&gt;</font>
00029 
00030 <font class="preprocessor">#include "<a class="code" href="zone__manager_8h.html">3d/zone_manager.h</a>"</font>
00031 <font class="preprocessor">#include "<a class="code" href="path_8h.html">nel/misc/path.h</a>"</font>
00032 <font class="preprocessor">#include "<a class="code" href="file_8h.html">nel/misc/file.h</a>"</font>
00033 
00034 <font class="keyword">using</font> <font class="keyword">namespace </font>std;
00035 <font class="keyword">using</font> <font class="keyword">namespace </font>NLMISC;
00036 
00037 
00038 <font class="keyword">namespace </font>NL3D
00039 {
00040 
00041 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
00042 <font class="comment">// CZoneManager</font>
00043 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
00044 
00045 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00046"></a><a class="code" href="classNL3D_1_1CZoneManager.html#a0">00046</a> CZoneManager::CZoneManager()
00047 {
00048         <a class="code" href="classNL3D_1_1CZoneManager.html#o9">_Zone</a> = NULL;
00049         <a class="code" href="classNL3D_1_1CZoneManager.html#o6">_AddingZone</a>= <font class="keyword">false</font>;
00050         <a class="code" href="classNL3D_1_1CZoneManager.html#o10">_RemovingZone</a>= <font class="keyword">false</font>;
00051         <a class="code" href="classNL3D_1_1CZoneManager.html#o1">_WorkInProgress</a> = <font class="keyword">false</font>;
00052 }
00053 
00054 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00055"></a><a class="code" href="classNL3D_1_1CZoneManager.html#a1">00055</a> CZoneManager::~CZoneManager()
00056 {
00057 }
00058 
00059 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00060"></a><a class="code" href="classNL3D_1_1CZoneManager.html#a2">00060</a> <font class="keywordtype">void</font> CZoneManager::checkZonesAround (uint <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, uint <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, uint area)
00061 {
00062         <a class="code" href="classNL3D_1_1CZoneManager.html#o1">_WorkInProgress</a> = <font class="keyword">true</font>;
00063         <font class="keywordflow">if</font> ((_AddingZone) || (_RemovingZone)) <font class="keywordflow">return</font>;
00064 
00065         <font class="comment">// Obtain the new set of zones around</font>
00066         <font class="keywordflow">if</font> ((<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a> != <a class="code" href="classNL3D_1_1CZoneManager.html#o4">_LastX</a>) || (<a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a> != <a class="code" href="classNL3D_1_1CZoneManager.html#o5">_LastY</a>))
00067                 <a class="code" href="classNL3D_1_1CZoneSearch.html#a4">getListZoneId</a> (<a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>, <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>, area, <a class="code" href="classNL3D_1_1CZoneManager.html#o3">_ZoneList</a>);
00068         <a class="code" href="classNL3D_1_1CZoneManager.html#o4">_LastX</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a364">x</a>;
00069         <a class="code" href="classNL3D_1_1CZoneManager.html#o5">_LastY</a> = <a class="code" href="driver__opengl__extension__def_8h.html#a365">y</a>;
00070 
00071         <font class="comment">// Look if we have zone loaded that is not needed anymore</font>
00072         uint32 i, j;
00073         <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size(); ++i)
00074         {
00075                 <font class="comment">// If the loadedzone i do not appear in the zone list so we have to remove it</font>
00076                 <font class="keywordtype">bool</font> bFound = <font class="keyword">false</font>;
00077                 uint16 nLoadedZone = <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>[i];
00078                 <font class="keywordflow">for</font> (j = 0; j &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o3">_ZoneList</a>.size(); ++j)
00079                 {
00080                         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneManager.html#o3">_ZoneList</a>[j] == nLoadedZone)
00081                         {
00082                                 bFound = <font class="keyword">true</font>;
00083                                 <font class="keywordflow">break</font>;
00084                         }
00085                 }
00086 
00087                 <font class="keywordflow">if</font> (!bFound)
00088                 {
00089                         <font class="comment">// Remove the zone nLoadedZone</font>
00090                         <a class="code" href="classNL3D_1_1CZoneManager.html#o11">_IdZoneToRemove</a> = nLoadedZone;
00091                         <a class="code" href="classNL3D_1_1CZoneManager.html#o10">_RemovingZone</a> = <font class="keyword">true</font>;
00092                         <font class="keywordflow">return</font>;
00093                 }
00094         }
00095 
00096         <font class="comment">// Look if we have zone not already loaded</font>
00097         <font class="keywordflow">for</font> (i = 0; i &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o3">_ZoneList</a>.size(); ++i)
00098         {
00099                 <font class="comment">// If the zone requested do not appear in the zone loaded list so we have to load it</font>
00100                 <font class="keywordtype">bool</font> bFound = <font class="keyword">false</font>;
00101                 uint16 nZone = <a class="code" href="classNL3D_1_1CZoneManager.html#o3">_ZoneList</a>[i];
00102                 <font class="keywordflow">for</font> (j = 0; j &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size(); ++j)
00103                 {
00104                         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>[j] == nZone)
00105                         {
00106                                 bFound = <font class="keyword">true</font>;
00107                                 <font class="keywordflow">break</font>;
00108                         }
00109                 }
00110 
00111                 <font class="keywordflow">if</font> (!bFound)
00112                 {
00113                         <font class="comment">// We have to load this zone ! and return because only one load at a time</font>
00114                         <a class="code" href="classNL3D_1_1CZoneManager.html#o6">_AddingZone</a> = <font class="keyword">true</font>;
00115                         CAsyncFileManager &amp;rAFM = CAsyncFileManager::getInstance();
00116                         <a class="code" href="classNL3D_1_1CZoneManager.html#o8">_ZoneToAddName</a> = <a class="code" href="classNL3D_1_1CZoneSearch.html#a5">getZoneNameFromId</a>(nZone);
00117                         <a class="code" href="classNL3D_1_1CZoneManager.html#o7">_ZoneToAddId</a> = nZone;
00118                         rAFM.addTask (<font class="keyword">new</font> CZoneLoadingTask(<a class="code" href="classNL3D_1_1CZoneManager.html#o8">_ZoneToAddName</a>, &amp;<a class="code" href="classNL3D_1_1CZoneManager.html#o9">_Zone</a>) );
00119                         <font class="keywordflow">return</font>;
00120                 }
00121         }
00122         <a class="code" href="classNL3D_1_1CZoneManager.html#o1">_WorkInProgress</a> = <font class="keyword">false</font>;
00123 }
00124 
00125 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00126"></a><a class="code" href="classNL3D_1_1CZoneManager.html#a4">00126</a> <font class="keywordtype">bool</font> CZoneManager::isWorkComplete (CZoneManager::SZoneManagerWork &amp;rWork)
00127 {
00128         <font class="comment">// Check if the work is a loading</font>
00129         <font class="keywordflow">if</font> (_AddingZone)
00130         {
00131                 <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneManager.html#o9">_Zone</a> != NULL)
00132                 {
00133                         <a class="code" href="classNL3D_1_1CZoneManager.html#o6">_AddingZone</a>= <font class="keyword">false</font>;
00134                         rWork.ZoneAdded = <font class="keyword">true</font>;
00135                         rWork.NameZoneAdded = <a class="code" href="classNL3D_1_1CZoneManager.html#o8">_ZoneToAddName</a>;
00136                         rWork.ZoneRemoved = <font class="keyword">false</font>;
00137                         rWork.IdZoneToRemove = 0;
00138                         rWork.NameZoneRemoved = <font class="stringliteral">""</font>;
00139                         rWork.Zone = const_cast&lt;CZone*&gt;(_Zone);
00140                         <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.push_back (<a class="code" href="classNL3D_1_1CZoneManager.html#o7">_ZoneToAddId</a>);
00141                         <font class="keywordflow">return</font> <font class="keyword">true</font>;
00142                 }
00143                 <font class="keywordflow">else</font>
00144                 {
00145                         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00146                 }
00147 
00148         }
00149         <font class="keywordflow">if</font> (_RemovingZone)
00150         {
00151                 <a class="code" href="classNL3D_1_1CZoneManager.html#o10">_RemovingZone</a> = <font class="keyword">false</font>;
00152                 rWork.ZoneAdded = <font class="keyword">false</font>;
00153                 rWork.NameZoneAdded = <font class="stringliteral">""</font>;
00154                 rWork.ZoneRemoved = <font class="keyword">true</font>;
00155                 rWork.IdZoneToRemove = <a class="code" href="classNL3D_1_1CZoneManager.html#o11">_IdZoneToRemove</a>;
00156                 rWork.NameZoneRemoved = <a class="code" href="classNL3D_1_1CZoneSearch.html#a5">getZoneNameFromId</a>(<a class="code" href="classNL3D_1_1CZoneManager.html#o11">_IdZoneToRemove</a>);
00157                 uint32 i, j;
00158                 <font class="keywordflow">for</font> (i = 0 ; i &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size(); ++i)
00159                         <font class="keywordflow">if</font> (<a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>[i] == <a class="code" href="classNL3D_1_1CZoneManager.html#o11">_IdZoneToRemove</a>)
00160                                 <font class="keywordflow">break</font>;
00161                 <font class="keywordflow">if</font> (i &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size())
00162                 {
00163                         <font class="keywordflow">for</font> (j = i; j &lt; <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size()-1; ++j)
00164                                 <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>[j] = <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>[j+1];
00165                         <a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.resize(<a class="code" href="classNL3D_1_1CZoneManager.html#o2">_LoadedZones</a>.size()-1);
00166                 }
00167                 rWork.Zone = NULL;
00168                 <font class="keywordflow">return</font> <font class="keyword">true</font>;
00169         }
00170         <font class="keywordflow">return</font> <font class="keyword">false</font>;
00171 }
00172 
00173 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
00174 <font class="comment">// CZoneLoadingTask</font>
00175 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
00176 
00177 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00178"></a><a class="code" href="classNL3D_1_1CZoneLoadingTask.html#a0">00178</a> CZoneLoadingTask::CZoneLoadingTask(<font class="keyword">const</font> std::string &amp;sZoneName, <a class="code" href="namespaceNL3D.html#a314">TVolatileZonePtr</a> *ppZone)
00179 {
00180         *ppZone = NULL;
00181         <a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o0">_Zone</a> = ppZone;
00182         <a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o1">_ZoneName</a> = sZoneName;
00183 }
00184 
00185 <font class="comment">// ------------------------------------------------------------------------------------------------</font>
<a name="l00186"></a><a class="code" href="classNL3D_1_1CZoneLoadingTask.html#a1">00186</a> <font class="keywordtype">void</font> CZoneLoadingTask::run(<font class="keywordtype">void</font>)
00187 {
00188         <font class="comment">// Lookup the zone</font>
00189         string zonePathLookup = CPath::lookup (<a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o1">_ZoneName</a>, <font class="keyword">false</font>, <font class="keyword">false</font>, <font class="keyword">true</font>);
00190         <font class="keywordflow">if</font> (zonePathLookup == <font class="stringliteral">""</font>)
00191                 zonePathLookup = <a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o1">_ZoneName</a>;
00192 
00193         CZone *ZoneTmp = <font class="keyword">new</font> CZone;
00194         CIFile <a class="code" href="cf__lexical_8cpp.html#a95">file</a>;
00195         <font class="keywordflow">if</font>(<a class="code" href="cf__lexical_8cpp.html#a95">file</a>.open(zonePathLookup))
00196         {
00197                 ZoneTmp-&gt;serial(<a class="code" href="cf__lexical_8cpp.html#a95">file</a>);
00198                 <a class="code" href="cf__lexical_8cpp.html#a95">file</a>.close();
00199                 *<a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o0">_Zone</a> = ZoneTmp;
00200         }
00201         <font class="keywordflow">else</font>
00202         {
00203                 <a class="code" href="debug_8h.html#a0">nldebug</a>(<font class="stringliteral">"CZoneLoadingTask::run(): File not found: %s"</font>, zonePathLookup.c_str ());
00204                 <font class="keyword">delete</font> ZoneTmp;
00205                 *<a class="code" href="classNL3D_1_1CZoneLoadingTask.html#o0">_Zone</a> = (CZone*)-1; <font class="comment">// Return error</font>
00206         }
00207         <font class="keyword">delete</font> <font class="keyword">this</font>;
00208 }
00209 
00210 } <font class="comment">// NL3D</font>
00211 
</pre></div>

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