(svn r2516) - Feature: [pbs] Implement path-based-signalling. This allows multiple trains within the same signal block, provided their paths dont intersect. For this the block must have all exit and entry signals be pbs signals. Place these by ctrl-clicking 4 times on a normal signal.
- Feature: [pbs] Implement autoplacement of pbs blocks, when a block has an entry and an exit pbs signal, covert the entire block to pbs. Can be turned off in the patch settings.
- Feature: [pbs] Allow showing of reserved status by making the tracks darker, when the pbs debug level is at least 1.

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#ifndef DEBUG_H

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#define DEBUG_H

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#ifdef NO_DEBUG_MESSAGES

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	#define DEBUG(name, level)

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#else

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	#define DEBUG(name, level) if (level == 0 || _debug_ ## name ## _level >= level) debug

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	extern int _debug_ai_level;

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	extern int _debug_grf_level;

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	extern int _debug_map_level;

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	extern int _debug_misc_level;

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	extern int _debug_ms_level;

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	extern int _debug_net_level;

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	extern int _debug_spritecache_level;

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	extern int _debug_oldloader_level;

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	extern int _debug_pbs_level;

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	extern int _debug_npf_level;

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#endif

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void CDECL debug(const char *s, ...);

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void SetDebugString(const char *s);

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const char *GetDebugString(void);

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#endif