ai_log.cpp

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00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
00006  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00007  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
00008  */
00009 
00012 #include "../../stdafx.h"
00013 #include "ai_log.hpp"
00014 #include "../../core/alloc_func.hpp"
00015 #include "../../company_func.h"
00016 #include "../../debug.h"
00017 #include "../../window_func.h"
00018 
00019 /* static */ void AILog::Info(const char *message)
00020 {
00021   AILog::Log(LOG_INFO, message);
00022 }
00023 
00024 /* static */ void AILog::Warning(const char *message)
00025 {
00026   AILog::Log(LOG_WARNING, message);
00027 }
00028 
00029 /* static */ void AILog::Error(const char *message)
00030 {
00031   AILog::Log(LOG_ERROR, message);
00032 }
00033 
00034 /* static */ void AILog::Log(AILog::AILogType level, const char *message)
00035 {
00036   if (AIObject::GetLogPointer() == NULL) {
00037     AIObject::GetLogPointer() = new LogData();
00038     LogData *log = (LogData *)AIObject::GetLogPointer();
00039 
00040     log->lines = CallocT<char *>(80);
00041     log->type = CallocT<AILog::AILogType>(80);
00042     log->count = 80;
00043     log->pos = log->count - 1;
00044     log->used = 0;
00045   }
00046   LogData *log = (LogData *)AIObject::GetLogPointer();
00047 
00048   /* Go to the next log-line */
00049   log->pos = (log->pos + 1) % log->count;
00050 
00051   if (log->used != log->count) log->used++;
00052 
00053   /* Free last message, and write new message */
00054   free(log->lines[log->pos]);
00055   log->lines[log->pos] = strdup(message);
00056   log->type[log->pos] = level;
00057 
00058   /* Cut string after first \n */
00059   char *p;
00060   while ((p = strchr(log->lines[log->pos], '\n')) != NULL) {
00061     *p = '\0';
00062     break;
00063   }
00064 
00065   char logc;
00066 
00067   switch (level) {
00068     case LOG_SQ_ERROR: logc = 'S'; break;
00069     case LOG_ERROR:    logc = 'E'; break;
00070     case LOG_SQ_INFO:  logc = 'P'; break;
00071     case LOG_WARNING:  logc = 'W'; break;
00072     case LOG_INFO:     logc = 'I'; break;
00073     default:           logc = '?'; break;
00074   }
00075 
00076   /* Also still print to debug window */
00077   DEBUG(ai, level, "[%d] [%c] %s", (uint)_current_company, logc, log->lines[log->pos]);
00078   InvalidateWindowData(WC_AI_DEBUG, 0, _current_company);
00079 }
00080 
00081 /* static */ void AILog::FreeLogPointer()
00082 {
00083   LogData *log = (LogData *)AIObject::GetLogPointer();
00084 
00085   for (int i = 0; i < log->count; i++) {
00086     free(log->lines[i]);
00087   }
00088 
00089   free(log->lines);
00090   free(log->type);
00091   delete log;
00092 }

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