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#include <stdarg.h>

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#include "ttd.h"

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#include "console.h"

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#include "debug.h"

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int _debug_ai_level;

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int _debug_grf_level;

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int _debug_map_level;

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int _debug_misc_level;

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int _debug_ms_level;

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int _debug_net_level;

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int _debug_spritecache_level;

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

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{

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	va_list va;

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	char buf[1024];

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	va_start(va, s);

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	vsnprintf(buf, lengthof(buf), s, va);

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	va_end(va);

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	fprintf(stderr, "dbg: %s\n", buf);

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	IConsoleDebug(buf);

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}

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void SetDebugString(const char *s)

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{

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	int v;

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	char *end;

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	const char *t;

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	typedef struct DebugLevel {

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		const char* name;

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		int* level;

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	} DebugLevel;

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	#define DEBUG_LEVEL(x) { #x, &_debug_##x##_level }

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	static const DebugLevel debug_level[] = {

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		DEBUG_LEVEL(ai),

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		DEBUG_LEVEL(grf),

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		DEBUG_LEVEL(map),

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		DEBUG_LEVEL(misc),

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		DEBUG_LEVEL(ms),

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		DEBUG_LEVEL(net),

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		DEBUG_LEVEL(spritecache)

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	};

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	#undef DEBUG_LEVEL

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	// global debugging level?

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	if (*s >= '0' && *s <= '9') {

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		const DebugLevel *i;

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		v = strtoul(s, &end, 0);

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		s = end;

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		for (i = debug_level; i != endof(debug_level); ++i)

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			*i->level = v;

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	}

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	// individual levels

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	for(;;) {

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		const DebugLevel *i;

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		int *p;

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		// skip delimiters

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		while (*s == ' ' || *s == ',' || *s == '\t') s++;

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		if (*s == '\0') break;

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		t = s;

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		while (*s >= 'a' && *s <= 'z') s++;

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		// check debugging levels

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		p = NULL;

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		for (i = debug_level; i != endof(debug_level); ++i)

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			if (s == t + strlen(i->name) && strncmp(t, i->name, s - t) == 0) {

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				p = i->level;

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				break;

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			}

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		if (*s == '=') s++;

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		v = strtoul(s, &end, 0);

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		s = end;

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		if (p != NULL)

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			*p = v;

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		else {

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			ShowInfoF("Unknown debug level '%.*s'", s - t, t);

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			return;

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		}

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	}

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}