driver.cpp

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00001 /* $Id: driver.cpp 11839 2008-01-13 21:41:24Z rubidium $ */
00002 
00005 #include "stdafx.h"
00006 #include "openttd.h"
00007 #include "debug.h"
00008 #include "driver.h"
00009 
00010 #include "sound/sound_driver.hpp"
00011 #include "music/music_driver.hpp"
00012 #include "video/video_driver.hpp"
00013 
00014 VideoDriver *_video_driver;
00015 char _ini_videodriver[32];
00016 int _num_resolutions;
00017 uint16 _resolutions[32][2];
00018 uint16 _cur_resolution[2];
00019 
00020 SoundDriver *_sound_driver;
00021 char _ini_sounddriver[32];
00022 
00023 MusicDriver *_music_driver;
00024 char _ini_musicdriver[32];
00025 
00026 char _ini_blitter[32];
00027 
00028 static const char* GetDriverParam(const char* const* parm, const char* name)
00029 {
00030   size_t len;
00031 
00032   if (parm == NULL) return NULL;
00033 
00034   len = strlen(name);
00035   for (; *parm != NULL; parm++) {
00036     const char* p = *parm;
00037 
00038     if (strncmp(p, name, len) == 0) {
00039       if (p[len] == '=')  return p + len + 1;
00040       if (p[len] == '\0') return p + len;
00041     }
00042   }
00043   return NULL;
00044 }
00045 
00046 bool GetDriverParamBool(const char* const* parm, const char* name)
00047 {
00048   return GetDriverParam(parm, name) != NULL;
00049 }
00050 
00051 int GetDriverParamInt(const char* const* parm, const char* name, int def)
00052 {
00053   const char* p = GetDriverParam(parm, name);
00054   return p != NULL ? atoi(p) : def;
00055 }

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