(svn r2217) - Fix: [ 1184201 ] AI orders its vehicles to a competitor's truck stop. Added a CmdFailed() check to all command returns of the AI instead of the simple == / != CMD_ERROR check. This should fix the problem.
#ifndef DEBUG_H
#define DEBUG_H
#ifdef NO_DEBUG_MESSAGES
#define DEBUG(name, level)
#else
#define DEBUG(name, level) if (level == 0 || _debug_ ## name ## _level >= level) debug
extern int _debug_ai_level;
extern int _debug_grf_level;
extern int _debug_map_level;
extern int _debug_misc_level;
extern int _debug_ms_level;
extern int _debug_net_level;
extern int _debug_spritecache_level;
extern int _debug_oldloader_level;
extern int _debug_npf_level;
#endif
void CDECL debug(const char *s, ...);
void SetDebugString(const char *s);
#endif