cpp/openttd-patchpack/source File Diff

File diff r5583:398b6d85e7a3 → r5584:545d748cc681

src/strings.cpp

➞

Show inline comments

@@ new file 100644 @@
 /* $Id$ */
 #include "stdafx.h"
 #include "openttd.h"
 #include "currency.h"
 #include "functions.h"
 #include "string.h"
 #include "strings.h"
 #include "table/strings.h"
 #include "namegen.h"
 #include "station.h"
 #include "town.h"
 #include "vehicle.h"
 #include "news.h"
 #include "screenshot.h"
 #include "waypoint.h"
 #include "industry.h"
 #include "variables.h"
 #include "newgrf_text.h"
 #include "table/landscape_const.h"
 #include "table/control_codes.h"
 #include "music.h"
 #include "date.h"
 #include "industry.h"
 #ifdef WIN32
 /* for opendir/readdir/closedir */
 # include "fios.h"
 #else
 # include <sys/types.h>
 # include <dirent.h>
 #endif /* WIN32 */
 char _userstring[128];
 static char *StationGetSpecialString(char *buff, int x, const char* last);
 static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last);
 static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last);
 static char *FormatString(char *buff, const char *str, const int32 *argv, uint casei, const char* last);
 typedef struct LanguagePack {
 	uint32 ident;
 	uint32 version;     // 32-bits of auto generated version info which is basically a hash of strings.h
 	char name[32];      // the international name of this language
 	char own_name[32];  // the localized name of this language
 	char isocode[16];   // the ISO code for the language (not country code)
 	uint16 offsets[32]; // the offsets
 	byte plural_form;   // how to compute plural forms
 	byte pad[3];        // pad header to be a multiple of 4
 	char data[VARARRAY_SIZE];
 } LanguagePack;
 static char **_langpack_offs;
 static LanguagePack *_langpack;
 static uint _langtab_num[32]; // Offset into langpack offs
 static uint _langtab_start[32]; // Offset into langpack offs
 static const StringID _cargo_string_list[NUM_LANDSCAPE][NUM_CARGO] = {
 	{ /* LT_NORMAL */
 		STR_PASSENGERS,
 		STR_TONS,
 		STR_BAGS,
 		STR_LITERS,
 		STR_ITEMS,
 		STR_CRATES,
 		STR_TONS,
 		STR_TONS,
 		STR_TONS,
 		STR_TONS,
 		STR_BAGS,
 		STR_RES_OTHER
 	},
 	{ /* LT_HILLY */
 		STR_PASSENGERS,
 		STR_TONS,
 		STR_BAGS,
 		STR_LITERS,
 		STR_ITEMS,
 		STR_CRATES,
 		STR_TONS,
 		STR_TONS,
 		STR_RES_OTHER,
 		STR_TONS,
 		STR_BAGS,
 		STR_TONS
 	},
 	{ /* LT_DESERT */
 		STR_PASSENGERS,
 		STR_LITERS,
 		STR_BAGS,
 		STR_LITERS,
 		STR_TONS,
 		STR_CRATES,
 		STR_TONS,
 		STR_TONS,
 		STR_TONS,
 		STR_LITERS,
 		STR_BAGS,
 		STR_TONS
 	},
 	{ /* LT_CANDY */
 		STR_PASSENGERS,
 		STR_TONS,
 		STR_BAGS,
 		STR_NOTHING,
 		STR_NOTHING,
 		STR_TONS,
 		STR_TONS,
 		STR_LITERS,
 		STR_TONS,
 		STR_NOTHING,
 		STR_LITERS,
 		STR_NOTHING
+	}
 };
 // Read an int64 from the argv array.
 static inline int64 GetInt64(const int32 **argv)
+{
 	int64 result;
 	assert(argv);
 	result = (uint32)(*argv)[0] + ((uint64)(uint32)(*argv)[1] << 32);
 	(*argv)+=2;
 	return result;
+}
 // Read an int32 from the argv array.
 static inline int32 GetInt32(const int32 **argv)
+{
 	assert(argv);
 	return *(*argv)++;
+}
 // Read an array from the argv array.
 static inline const int32 *GetArgvPtr(const int32 **argv, int n)
+{
 	const int32 *result;
 	assert(*argv);
 	result = *argv;
 	(*argv) += n;
 	return result;
+}
 #define NUM_BOUND_STRINGS 8
 // Array to hold the bound strings.
 static const char *_bound_strings[NUM_BOUND_STRINGS];
 // This index is used to implement a "round-robin" allocating of
 // slots for BindCString. NUM_BOUND_STRINGS slots are reserved.
 // Which means that after NUM_BOUND_STRINGS calls to BindCString,
 // the indices will be reused.
 static int _bind_index;
 static const char *GetStringPtr(StringID string)
+{
 	return _langpack_offs[_langtab_start[string >> 11] + (string & 0x7FF)];
+}
 // The highest 8 bits of string contain the "case index".
 // These 8 bits will only be set when FormatString wants to print
 // the string in a different case. No one else except FormatString
 // should set those bits, therefore string CANNOT be StringID, but uint32.
 static char *GetStringWithArgs(char *buffr, uint string, const int32 *argv, const char* last)
+{
 	uint index = GB(string,  0, 11);
 	uint tab   = GB(string, 11,  5);
 	char buff[512];
 	if (GB(string, 0, 16) == 0) error("!invalid string id 0 in GetString");
 	switch (tab) {
 		case 4:
 			if (index >= 0xC0)
 				return GetSpecialTownNameString(buffr, index - 0xC0, GetInt32(&argv), last);
 			break;
 		case 14:
 			if (index >= 0xE4)
 				return GetSpecialPlayerNameString(buffr, index - 0xE4, argv, last);
 			break;
 		// User defined name
 		case 15:
 			return GetName(buffr, index, last);
 		case 26:
 			/* Include string within newgrf text (format code 81) */
 			if (HASBIT(index, 10)) {
 				StringID string = GetGRFStringID(0, 0xD000 + GB(index, 0, 10));
 				return GetStringWithArgs(buffr, string, argv, last);
+			}
 			break;
 		case 28:
 			GetGRFString(buff, index, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 		case 29:
 			GetGRFString(buff, index + 0x800, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 		case 30:
 			GetGRFString(buff, index + 0x1000, lastof(buff));
 			return FormatString(buffr, buff, argv, 0, last);
 		case 31:
 			// dynamic strings. These are NOT to be passed through the formatter,
 			// but passed through verbatim.
 			if (index < (STR_SPEC_USERSTRING & 0x7FF)) {
 				return strecpy(buffr, _bound_strings[index], last);
+			}
 			return FormatString(buffr, _userstring, NULL, 0, last);
+	}
 	if (index >= _langtab_num[tab]) {
 		error(
 			"!String 0x%X is invalid. "
 			"Probably because an old version of the .lng file.\n", string
 		);
+	}
 	return FormatString(buffr, GetStringPtr(GB(string, 0, 16)), argv, GB(string, 24, 8), last);
+}
 char *GetString(char *buffr, StringID string, const char* last)
+{
 	return GetStringWithArgs(buffr, string, (int32*)_decode_parameters, last);
+}
 char *InlineString(char *buf, StringID string)
+{
 	buf += Utf8Encode(buf, SCC_STRING_ID);
 	buf += Utf8Encode(buf, string);
 	return buf;
+}
 // This function takes a C-string and allocates a temporary string ID.
 // The duration of the bound string is valid only until the next GetString,
 // so be careful.
 StringID BindCString(const char *str)
+{
 	int idx = (++_bind_index) & (NUM_BOUND_STRINGS - 1);
 	_bound_strings[idx] = str;
 	return idx + STR_SPEC_DYNSTRING;
+}
 // This function is used to "bind" a C string to a OpenTTD dparam slot.
 void SetDParamStr(uint n, const char *str)
+{
 	SetDParam(n, BindCString(str));
+}
 void InjectDParam(int amount)
+{
 	memmove(_decode_parameters + amount, _decode_parameters, sizeof(_decode_parameters) - amount * sizeof(uint32));
+}
 static const uint32 _divisor_table[] = {
 	1000000000,
 	100000000,
 	10000000,
 	1000000,
 ,
 ,
 ,
 ,
 ,
 };
 // TODO
 static char *FormatCommaNumber(char *buff, int32 number, const char* last)
+{
 	uint32 quot,divisor;
 	int i;
 	uint32 tot;
 	uint32 num;
 	if (number < 0) {
 		*buff++ = '-';
 		number = -number;
+	}
 	num = number;
 	tot = 0;
 	for (i = 0; i != 10; i++) {
 		divisor = _divisor_table[i];
 		quot = 0;
 		if (num >= divisor) {
 			quot = num / _divisor_table[i];
 			num = num % _divisor_table[i];
+		}
 		if (tot |= quot || i == 9) {
 			*buff++ = '0' + quot;
 			if (i == 0 || i == 3 || i == 6) *buff++ = ',';
+		}
+	}
 	*buff = '\0';
 	return buff;
+}
 // TODO
 static char *FormatNoCommaNumber(char *buff, int32 number, const char* last)
+{
 	uint32 quot,divisor;
 	int i;
 	uint32 tot;
 	uint32 num;
 	if (number < 0) {
 		buff = strecpy(buff, "-", last);
 		number = -number;
+	}
 	num = number;
 	tot = 0;
 	for (i = 0; i != 10; i++) {
 		divisor = _divisor_table[i];
 		quot = 0;
 		if (num >= divisor) {
 			quot = num / _divisor_table[i];
 			num = num % _divisor_table[i];
+		}
 		if (tot |= quot || i == 9) {
 			*buff++ = '0' + quot;
+		}
+	}
 	*buff = '\0';
 	return buff;
+}
 static char *FormatYmdString(char *buff, Date date, const char* last)
+{
 	YearMonthDay ymd;
 	ConvertDateToYMD(date, &ymd);
 	buff = strecpy(buff, GetStringPtr(ymd.day + STR_01AC_1ST - 1), last);
 	buff = strecpy(buff, " ", last);
 	buff = strecpy(buff, GetStringPtr(STR_0162_JAN + ymd.month), last);
 	buff = strecpy(buff, " ", last);
 	return FormatNoCommaNumber(buff, ymd.year, last);
+}
 static char *FormatMonthAndYear(char *buff, Date date, const char* last)
+{
 	YearMonthDay ymd;
 	ConvertDateToYMD(date, &ymd);
 	buff = strecpy(buff, GetStringPtr(STR_MONTH_JAN + ymd.month), last);
 	buff = strecpy(buff, " ", last);
 	return FormatNoCommaNumber(buff, ymd.year, last);
+}
 static char *FormatTinyDate(char *buff, Date date, const char* last)
+{
 	YearMonthDay ymd;
 	ConvertDateToYMD(date, &ymd);
 	buff += snprintf(
 		buff, last - buff + 1,
 		" %02i-%02i-%04i", ymd.day, ymd.month + 1, ymd.year
 	);
 	return buff;
+}
 static char *FormatGenericCurrency(char *buff, const CurrencySpec *spec, int64 number, bool compact, const char* last)
+{
 	const char* multiplier = "";
 	char buf[40];
 	char* p;
 	int j;
 	// multiply by exchange rate
 	number *= spec->rate;
 	// convert from negative
 	if (number < 0) {
 		buff = strecpy(buff, "-", last);
 		number = -number;
+	}
 	/* Add prefix part, folowing symbol_pos specification.
 	 * Here, it can can be either 0 (prefix) or 2 (both prefix anf suffix).
 	 * The only remaining value is 1 (suffix), so everything that is not 1 */
 	if (spec->symbol_pos != 1) buff = strecpy(buff, spec->prefix, last);
 	// for huge numbers, compact the number into k or M
 	if (compact) {
 		if (number >= 1000000000) {
 			number = (number + 500000) / 1000000;
 			multiplier = "M";
 		} else if (number >= 1000000) {
 			number = (number + 500) / 1000;
 			multiplier = "k";
+		}
+	}
 	// convert to ascii number and add commas
 	p = endof(buf);
 	*--p = '\0';
 	j = 4;
 	do {
 		if (--j == 0) {
 			*--p = spec->separator;
 			j = 3;
+		}
 		*--p = '0' + number % 10;
 	} while ((number /= 10) != 0);
 	buff = strecpy(buff, p, last);
 	buff = strecpy(buff, multiplier, last);
 	/* Add suffix part, folowing symbol_pos specification.
 	 * Here, it can can be either 1 (suffix) or 2 (both prefix anf suffix).
 	 * The only remaining value is 1 (prefix), so everything that is not 0 */
 	if (spec->symbol_pos != 0) buff = strecpy(buff, spec->suffix, last);
 	return buff;
+}
 static int DeterminePluralForm(int32 n)
+{
 	// The absolute value determines plurality
 	if (n < 0) n = -n;
 	switch (_langpack->plural_form) {
 	// Two forms, singular used for one only
 	// Used in:
 	//   Danish, Dutch, English, German, Norwegian, Swedish, Estonian, Finnish,
 	//   Greek, Hebrew, Italian, Portuguese, Spanish, Esperanto
 	case 0:
 	default:
 		return n != 1;
 	// Only one form
 	// Used in:
 	//   Hungarian, Japanese, Korean, Turkish
 	case 1:
 		return 0;
 	// Two forms, singular used for zero and one
 	// Used in:
 	//   French, Brazilian Portuguese
 	case 2:
 		return n > 1;
 	// Three forms, special case for zero
 	// Used in:
 	//   Latvian
 	case 3:
 		return n%10==1 && n%100!=11 ? 0 : n != 0 ? 1 : 2;
 	// Three forms, special case for one and two
 	// Used in:
 	//   Gaelige (Irish)
 	case 4:
 		return n==1 ? 0 : n==2 ? 1 : 2;
 	// Three forms, special case for numbers ending in 1[2-9]
 	// Used in:
 	//   Lithuanian
 	case 5:
 		return n%10==1 && n%100!=11 ? 0 : n%10>=2 && (n%100<10 || n%100>=20) ? 1 : 2;
 	// Three forms, special cases for numbers ending in 1 and 2, 3, 4, except those ending in 1[1-4]
 	// Used in:
 	//   Croatian, Czech, Russian, Slovak, Ukrainian
 	case 6:
 		return n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
 	// Three forms, special case for one and some numbers ending in 2, 3, or 4
 	// Used in:
 	//   Polish
 	case 7:
 		return n==1 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2;
 	// Four forms, special case for one and all numbers ending in 02, 03, or 04
 	// Used in:
 	//   Slovenian
 	case 8:
 		return n%100==1 ? 0 : n%100==2 ? 1 : n%100==3 || n%100==4 ? 2 : 3;
+	}
+}
 static const char *ParseStringChoice(const char *b, uint form, char *dst, int *dstlen)
+{
 	//<NUM> {Length of each string} {each string}
 	uint n = (byte)*b++;
 	uint pos,i, mylen=0,mypos=0;
 	for (i = pos = 0; i != n; i++) {
 		uint len = (byte)*b++;
 		if (i == form) {
 			mypos = pos;
 			mylen = len;
+		}
 		pos += len;
+	}
 	*dstlen = mylen;
 	memcpy(dst, b + mypos, mylen);
 	return b + pos;
+}
 typedef struct Units {
 	int s_m;           ///< Multiplier for velocity
 	int s_s;           ///< Shift for velocity
 	StringID velocity; ///< String for velocity
 	int p_m;           ///< Multiplier for power
 	int p_s;           ///< Shift for power
 	StringID power;    ///< String for velocity
 	int w_m;           ///< Multiplier for weight
 	int w_s;           ///< Shift for weight
 	StringID s_weight; ///< Short string for weight
 	StringID l_weight; ///< Long string for weight
 	int v_m;           ///< Multiplier for volume
 	int v_s;           ///< Shift for volume
 	StringID s_volume; ///< Short string for volume
 	StringID l_volume; ///< Long string for volume
 	int f_m;           ///< Multiplier for force
 	int f_s;           ///< Shift for force
 	StringID force;    ///< String for force
 } Units;
 /* Unit conversions */
 static const Units units[] = {
 	{ // Imperial (Original, mph, hp, metric ton, litre, kN)
 ,  4, STR_UNITS_VELOCITY_IMPERIAL,
 ,  0, STR_UNITS_POWER_IMPERIAL,
 ,  0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC,
 ,  0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC,
 ,  0, STR_UNITS_FORCE_SI,
 	},
 	{ // Metric (km/h, hp, metric ton, litre, kN)
 ,  0, STR_UNITS_VELOCITY_METRIC,
 ,  0, STR_UNITS_POWER_METRIC,
 ,  0, STR_UNITS_WEIGHT_SHORT_METRIC, STR_UNITS_WEIGHT_LONG_METRIC,
 ,  0, STR_UNITS_VOLUME_SHORT_METRIC, STR_UNITS_VOLUME_LONG_METRIC,
 ,  0, STR_UNITS_FORCE_SI,
 	},
 	{ // SI (m/s, kilowatt, kilogram, cubic metres, kilonewton)
 , 10, STR_UNITS_VELOCITY_SI,
 , 10, STR_UNITS_POWER_SI,
 ,  0, STR_UNITS_WEIGHT_SHORT_SI, STR_UNITS_WEIGHT_LONG_SI,
 ,  0, STR_UNITS_VOLUME_SHORT_SI, STR_UNITS_VOLUME_LONG_SI,
 ,  0, STR_UNITS_FORCE_SI,
 	},
 };
 static char* FormatString(char* buff, const char* str, const int32* argv, uint casei, const char* last)
+{
 	extern const char _openttd_revision[];
 	WChar b;
 	const int32 *argv_orig = argv;
 	uint modifier = 0;
 	while ((b = Utf8Consume(&str)) != '\0') {
 		switch (b) {
 			case SCC_SETX: // {SETX}
 				if (buff + Utf8CharLen(SCC_SETX) + 1 < last) {
 					buff += Utf8Encode(buff, SCC_SETX);
 					*buff++ = *str++;
+				}
 				break;
 			case SCC_SETXY: // {SETXY}
 				if (buff + Utf8CharLen(SCC_SETXY) + 2 < last) {
 					buff += Utf8Encode(buff, SCC_SETXY);
 					*buff++ = *str++;
 					*buff++ = *str++;
+				}
 				break;
 			case SCC_STRING_ID: // {STRINL}
 				buff = GetStringWithArgs(buff, Utf8Consume(&str), argv, last);
 				break;
 			case SCC_DATE_LONG: // {DATE_LONG}
 				buff = FormatYmdString(buff, GetInt32(&argv), last);
 				break;
 			case SCC_DATE_SHORT: // {DATE_SHORT}
 				buff = FormatMonthAndYear(buff, GetInt32(&argv), last);
 				break;
 			case SCC_VELOCITY: {// {VELOCITY}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].s_m >> units[_opt_ptr->units].s_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].velocity), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_CURRENCY_COMPACT: /* {CURRCOMPACT} */
 				buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), true, last);
 				break;
 			case SCC_REVISION: /* {REV} */
 				buff = strecpy(buff, _openttd_revision, last);
 				break;
 			case SCC_CARGO_SHORT: { /* {SHORTCARGO} */
 				// Short description of cargotypes. Layout:
 				// 8-bit = cargo type
 				// 16-bit = cargo count
 				StringID cargo_str = _cargo_types_base_values[_opt_ptr->landscape].units_volume[GetInt32(&argv)];
 				switch (cargo_str) {
 					case STR_TONS: {
 						int32 args[1];
 						assert(_opt_ptr->units < lengthof(units));
 						args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
 						buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last);
 						modifier = 0;
 						break;
+					}
 					case STR_LITERS: {
 						int32 args[1];
 						assert(_opt_ptr->units < lengthof(units));
 						args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
 						buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last);
 						modifier = 0;
 						break;
+					}
 					default:
 						buff = FormatCommaNumber(buff, GetInt32(&argv), last);
 						buff = strecpy(buff, " ", last);
 						buff = strecpy(buff, GetStringPtr(cargo_str), last);
 						break;
+				}
 			} break;
 			case SCC_CURRENCY_COMPACT_64: { /* {CURRCOMPACT64} */
 				// 64 bit compact currency-unit
 				buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), true, last);
 				break;
+			}
 			case SCC_STRING1: { /* {STRING1} */
 				// String that consumes ONE argument
 				uint str = modifier + GetInt32(&argv);
 				buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 1), last);
 				modifier = 0;
 				break;
+			}
 			case SCC_STRING2: { /* {STRING2} */
 				// String that consumes TWO arguments
 				uint str = modifier + GetInt32(&argv);
 				buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 2), last);
 				modifier = 0;
 				break;
+			}
 			case SCC_STRING3: { /* {STRING3} */
 				// String that consumes THREE arguments
 				uint str = modifier + GetInt32(&argv);
 				buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 3), last);
 				modifier = 0;
 				break;
+			}
 			case SCC_STRING4: { /* {STRING4} */
 				// String that consumes FOUR arguments
 				uint str = modifier + GetInt32(&argv);
 				buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 4), last);
 				modifier = 0;
 				break;
+			}
 			case SCC_STRING5: { /* {STRING5} */
 				// String that consumes FIVE arguments
 				uint str = modifier + GetInt32(&argv);
 				buff = GetStringWithArgs(buff, str, GetArgvPtr(&argv, 5), last);
 				modifier = 0;
 				break;
+			}
 			case SCC_STATION_FEATURES: { /* {STATIONFEATURES} */
 				buff = StationGetSpecialString(buff, GetInt32(&argv), last);
 				break;
+			}
 			case SCC_INDUSTRY_NAME: { /* {INDUSTRY} */
 				const Industry* i = GetIndustry(GetInt32(&argv));
 				int32 args[2];
 				// industry not valid anymore?
 				if (!IsValidIndustry(i)) break;
 				// First print the town name and the industry type name
 				// The string STR_INDUSTRY_PATTERN controls the formatting
 				args[0] = i->town->index;
 				args[1] = GetIndustrySpec(i->type)->name;
 				buff = FormatString(buff, GetStringPtr(STR_INDUSTRY_FORMAT), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_VOLUME: { // {VOLUME}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_volume), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_GENDER_LIST: { // {G 0 Der Die Das}
 				const char* s = GetStringPtr(argv_orig[(byte)*str++]); // contains the string that determines gender.
 				int len;
 				int gender = 0;
 				if (s != NULL && Utf8Consume(&s) == SCC_GENDER_INDEX) gender = (byte)s[0];
 				str = ParseStringChoice(str, gender, buff, &len);
 				buff += len;
 				break;
+			}
 			case SCC_DATE_TINY: { // {DATE_TINY}
 				buff = FormatTinyDate(buff, GetInt32(&argv), last);
 				break;
+			}
 			case SCC_CARGO: { // {CARGO}
 				// Layout now is:
 				//   8bit   - cargo type
 				//   16-bit - cargo count
 				CargoID cargo = GetInt32(&argv);
 				StringID cargo_str = (cargo == CT_INVALID) ? STR_8838_N_A : _cargoc.names_long[cargo];
 				buff = GetStringWithArgs(buff, cargo_str, argv++, last);
 				break;
+			}
 			case SCC_POWER: { // {POWER}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].p_m >> units[_opt_ptr->units].p_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].power), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_VOLUME_SHORT: { // {VOLUME_S}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].v_m >> units[_opt_ptr->units].v_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_volume), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_WEIGHT: { // {WEIGHT}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].l_weight), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_WEIGHT_SHORT: { // {WEIGHT_S}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].w_m >> units[_opt_ptr->units].w_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].s_weight), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_FORCE: { // {FORCE}
 				int32 args[1];
 				assert(_opt_ptr->units < lengthof(units));
 				args[0] = GetInt32(&argv) * units[_opt_ptr->units].f_m >> units[_opt_ptr->units].f_s;
 				buff = FormatString(buff, GetStringPtr(units[_opt_ptr->units].force), args, modifier >> 24, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_SKIP: // {SKIP}
 				argv++;
 				break;
 			// This sets up the gender for the string.
 			// We just ignore this one. It's used in {G 0 Der Die Das} to determine the case.
 			case SCC_GENDER_INDEX: // {GENDER 0}
 				str++;
 				break;
 			case SCC_STRING: {// {STRING}
 				uint str = modifier + GetInt32(&argv);
 				// WARNING. It's prohibited for the included string to consume any arguments.
 				// For included strings that consume argument, you should use STRING1, STRING2 etc.
 				// To debug stuff you can set argv to NULL and it will tell you
 				buff = GetStringWithArgs(buff, str, argv, last);
 				modifier = 0;
 				break;
+			}
 			case SCC_COMMA: // {COMMA}
 				buff = FormatCommaNumber(buff, GetInt32(&argv), last);
 				break;
 			case SCC_ARG_INDEX: // Move argument pointer
 				argv = argv_orig + (byte)*str++;
 				break;
 			case SCC_PLURAL_LIST: { // {P}
 				int32 v = argv_orig[(byte)*str++]; // contains the number that determines plural
 				int len;
 				str = ParseStringChoice(str, DeterminePluralForm(v), buff, &len);
 				buff += len;
 				break;
+			}
 			case SCC_NUM: // {NUM}
 				buff = FormatNoCommaNumber(buff, GetInt32(&argv), last);
 				break;
 			case SCC_CURRENCY: // {CURRENCY}
 				buff = FormatGenericCurrency(buff, _currency, GetInt32(&argv), false, last);
 				break;
 			case SCC_WAYPOINT_NAME: { // {WAYPOINT}
 				int32 temp[2];
 				Waypoint *wp = GetWaypoint(GetInt32(&argv));
 				StringID str;
 				if (wp->string != STR_NULL) {
 					str = wp->string;
 				} else {
 					temp[0] = wp->town_index;
 					temp[1] = wp->town_cn + 1;
 					str = wp->town_cn == 0 ? STR_WAYPOINTNAME_CITY : STR_WAYPOINTNAME_CITY_SERIAL;
+				}
 				buff = GetStringWithArgs(buff, str, temp, last);
 				break;
+			}
 			case SCC_STATION_NAME: { // {STATION}
 				const Station* st = GetStation(GetInt32(&argv));
 				if (!IsValidStation(st)) { // station doesn't exist anymore
 					buff = GetStringWithArgs(buff, STR_UNKNOWN_DESTINATION, NULL, last);
 				} else {
 					int32 temp[2];
 					temp[0] = st->town->townnametype;
 					temp[1] = st->town->townnameparts;
 					buff = GetStringWithArgs(buff, st->string_id, temp, last);
+				}
 				break;
+			}
 			case SCC_TOWN_NAME: { // {TOWN}
 				const Town* t = GetTown(GetInt32(&argv));
 				int32 temp[1];
 				assert(IsValidTown(t));
 				temp[0] = t->townnameparts;
 				buff = GetStringWithArgs(buff, t->townnametype, temp, last);
 				break;
+			}
 			case SCC_CURRENCY_64: { // {CURRENCY64}
 				buff = FormatGenericCurrency(buff, _currency, GetInt64(&argv), false, last);
 				break;
+			}
 			case SCC_SETCASE: { // {SETCASE}
 				// This is a pseudo command, it's outputted when someone does {STRING.ack}
 				// The modifier is added to all subsequent GetStringWithArgs that accept the modifier.
 				modifier = (byte)*str++ << 24;
 				break;
+			}
 			case SCC_SWITCH_CASE: { // {Used to implement case switching}
 				// <0x9E> <NUM CASES> <CASE1> <LEN1> <STRING1> <CASE2> <LEN2> <STRING2> <CASE3> <LEN3> <STRING3> <STRINGDEFAULT>
 				// Each LEN is printed using 2 bytes in big endian order.
 				uint num = (byte)*str++;
 				while (num) {
 					if ((byte)str[0] == casei) {
 						// Found the case, adjust str pointer and continue
 						str += 3;
 						break;
+					}
 					// Otherwise skip to the next case
 					str += 3 + (str[1] << 8) + str[2];
 					num--;
+				}
 				break;
+			}
 			default:
 				if (buff + Utf8CharLen(b) < last) buff += Utf8Encode(buff, b);
 				break;
+		}
+	}
 	*buff = '\0';
 	return buff;
+}
 static char *StationGetSpecialString(char *buff, int x, const char* last)
+{
 	if ((x & 0x01) && (buff + Utf8CharLen(SCC_TRAIN) < last)) buff += Utf8Encode(buff, SCC_TRAIN);
 	if ((x & 0x02) && (buff + Utf8CharLen(SCC_LORRY) < last)) buff += Utf8Encode(buff, SCC_LORRY);
 	if ((x & 0x04) && (buff + Utf8CharLen(SCC_BUS)   < last)) buff += Utf8Encode(buff, SCC_BUS);
 	if ((x & 0x08) && (buff + Utf8CharLen(SCC_PLANE) < last)) buff += Utf8Encode(buff, SCC_PLANE);
 	if ((x & 0x10) && (buff + Utf8CharLen(SCC_SHIP)  < last)) buff += Utf8Encode(buff, SCC_SHIP);
 	*buff = '\0';
 	return buff;
+}
 static char *GetSpecialTownNameString(char *buff, int ind, uint32 seed, const char* last)
+{
 	char name[512];
 	_town_name_generators[ind](name, seed, lastof(name));
 	return strecpy(buff, name, last);
+}
 static const char* const _silly_company_names[] = {
 	"Bloggs Brothers",
 	"Tiny Transport Ltd.",
 	"Express Travel",
 	"Comfy-Coach & Co.",
 	"Crush & Bump Ltd.",
 	"Broken & Late Ltd.",
 	"Sam Speedy & Son",
 	"Supersonic Travel",
 	"Mike's Motors",
 	"Lightning International",
 	"Pannik & Loozit Ltd.",
 	"Inter-City Transport",
 	"Getout & Pushit Ltd."
 };
 static const char* const _surname_list[] = {
 	"Adams",
 	"Allan",
 	"Baker",
 	"Bigwig",
 	"Black",
 	"Bloggs",
 	"Brown",
 	"Campbell",
 	"Gordon",
 	"Hamilton",
 	"Hawthorn",
 	"Higgins",
 	"Green",
 	"Gribble",
 	"Jones",
 	"McAlpine",
 	"MacDonald",
 	"McIntosh",
 	"Muir",
 	"Murphy",
 	"Nelson",
 	"O'Donnell",
 	"Parker",
 	"Phillips",
 	"Pilkington",
 	"Quigley",
 	"Sharkey",
 	"Thomson",
 	"Watkins"
 };
 static const char* const _silly_surname_list[] = {
 	"Grumpy",
 	"Dozy",
 	"Speedy",
 	"Nosey",
 	"Dribble",
 	"Mushroom",
 	"Cabbage",
 	"Sniffle",
 	"Fishy",
 	"Swindle",
 	"Sneaky",
 	"Nutkins"
 };
 static const char _initial_name_letters[] = {
 	'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J',
 	'K', 'L', 'M', 'N', 'P', 'R', 'S', 'T', 'W',
 };
 static char *GenAndCoName(char *buff, uint32 arg, const char* last)
+{
 	const char* const* base;
 	uint num;
 	if (_opt_ptr->landscape == LT_CANDY) {
 		base = _silly_surname_list;
 		num  = lengthof(_silly_surname_list);
 	} else {
 		base = _surname_list;
 		num  = lengthof(_surname_list);
+	}
 	buff = strecpy(buff, base[num * GB(arg, 16, 8) >> 8], last);
 	buff = strecpy(buff, " & Co.", last);
 	return buff;
+}
 static char *GenPresidentName(char *buff, uint32 x, const char* last)
+{
 	char initial[] = "?. ";
 	const char* const* base;
 	uint num;
 	uint i;
 	initial[0] = _initial_name_letters[sizeof(_initial_name_letters) * GB(x, 0, 8) >> 8];
 	buff = strecpy(buff, initial, last);
 	i = (sizeof(_initial_name_letters) + 35) * GB(x, 8, 8) >> 8;
 	if (i < sizeof(_initial_name_letters)) {
 		initial[0] = _initial_name_letters[i];
 		buff = strecpy(buff, initial, last);
+	}
 	if (_opt_ptr->landscape == LT_CANDY) {
 		base = _silly_surname_list;
 		num  = lengthof(_silly_surname_list);
 	} else {
 		base = _surname_list;
 		num  = lengthof(_surname_list);
+	}
 	buff = strecpy(buff, base[num * GB(x, 16, 8) >> 8], last);
 	return buff;
+}
 static char *GetSpecialPlayerNameString(char *buff, int ind, const int32 *argv, const char* last)
+{
 	switch (ind) {
 		case 1: // not used
 			return strecpy(buff, _silly_company_names[GetInt32(&argv) & 0xFFFF], last);
 		case 2: // used for Foobar & Co company names
 			return GenAndCoName(buff, GetInt32(&argv), last);
 		case 3: // President name
 			return GenPresidentName(buff, GetInt32(&argv), last);
 		case 4: // song names
 			return strecpy(buff, origin_songs_specs[GetInt32(&argv) - 1].song_name, last);
+	}
 	// town name?
 	if (IS_INT_INSIDE(ind - 6, 0, SPECSTR_TOWNNAME_LAST-SPECSTR_TOWNNAME_START + 1)) {
 		buff = GetSpecialTownNameString(buff, ind - 6, GetInt32(&argv), last);
 		return strecpy(buff, " Transport", last);
+	}
 	// language name?
 	if (IS_INT_INSIDE(ind, (SPECSTR_LANGUAGE_START - 0x70E4), (SPECSTR_LANGUAGE_END - 0x70E4) + 1)) {
 		int i = ind - (SPECSTR_LANGUAGE_START - 0x70E4);
 		return strecpy(buff,
 			i == _dynlang.curr ? _langpack->own_name : _dynlang.ent[i].name, last);
+	}
 	// resolution size?
 	if (IS_INT_INSIDE(ind, (SPECSTR_RESOLUTION_START - 0x70E4), (SPECSTR_RESOLUTION_END - 0x70E4) + 1)) {
 		int i = ind - (SPECSTR_RESOLUTION_START - 0x70E4);
 		buff += snprintf(
 			buff, last - buff + 1, "%dx%d", _resolutions[i][0], _resolutions[i][1]
 		);
 		return buff;
+	}
 	// screenshot format name?
 	if (IS_INT_INSIDE(ind, (SPECSTR_SCREENSHOT_START - 0x70E4), (SPECSTR_SCREENSHOT_END - 0x70E4) + 1)) {
 		int i = ind - (SPECSTR_SCREENSHOT_START - 0x70E4);
 		return strecpy(buff, GetScreenshotFormatDesc(i), last);
+	}
 	assert(0);
 	return NULL;
+}
 // remap a string ID from the old format to the new format
 StringID RemapOldStringID(StringID s)
+{
 	switch (s) {
 		case 0x0006: return STR_SV_EMPTY;
 		case 0x7000: return STR_SV_UNNAMED;
 		case 0x70E4: return SPECSTR_PLAYERNAME_ENGLISH;
 		case 0x70E9: return SPECSTR_PLAYERNAME_ENGLISH;
 		case 0x8864: return STR_SV_TRAIN_NAME;
 		case 0x902B: return STR_SV_ROADVEH_NAME;
 		case 0x9830: return STR_SV_SHIP_NAME;
 		case 0xA02F: return STR_SV_AIRCRAFT_NAME;
 		default:
 			if (IS_INT_INSIDE(s, 0x300F, 0x3030)) {
 				return s - 0x300F + STR_SV_STNAME;
 			} else {
 				return s;
+			}
+	}
+}
 bool ReadLanguagePack(int lang_index)
+{
 	int tot_count, i;
 	LanguagePack *lang_pack;
 	size_t len;
 	char **langpack_offs;
 	char *s;
+	{
 		char *lang = str_fmt("%s%s", _paths.lang_dir, _dynlang.ent[lang_index].file);
 		lang_pack = ReadFileToMem(lang, &len, 200000);
 		free(lang);
+	}
 	if (lang_pack == NULL) return false;
 	if (len < sizeof(LanguagePack) ||
 			lang_pack->ident != TO_LE32(LANGUAGE_PACK_IDENT) ||
 			lang_pack->version != TO_LE32(LANGUAGE_PACK_VERSION)) {
 		free(lang_pack);
 		return false;
+	}
 #if defined(TTD_BIG_ENDIAN)
 	for (i = 0; i != 32; i++) {
 		lang_pack->offsets[i] = ReadLE16Aligned(&lang_pack->offsets[i]);
+	}
 #endif
 	tot_count = 0;
 	for (i = 0; i != 32; i++) {
 		uint num = lang_pack->offsets[i];
 		_langtab_start[i] = tot_count;
 		_langtab_num[i] = num;
 		tot_count += num;
+	}
 	// Allocate offsets
 	langpack_offs = malloc(tot_count * sizeof(*langpack_offs));
 	// Fill offsets
 	s = lang_pack->data;
 	for (i = 0; i != tot_count; i++) {
 		len = (byte)*s;
 		*s++ = '\0'; // zero terminate the string before.
 		if (len >= 0xC0) len = ((len & 0x3F) << 8) + (byte)*s++;
 		langpack_offs[i] = s;
 		s += len;
+	}
 	free(_langpack);
 	_langpack = lang_pack;
 	free(_langpack_offs);
 	_langpack_offs = langpack_offs;
 	ttd_strlcpy(_dynlang.curr_file, _dynlang.ent[lang_index].file, sizeof(_dynlang.curr_file));
 	_dynlang.curr = lang_index;
 	SetCurrentGrfLangID(_langpack->isocode);
 	return true;
+}
 /** Determine the current charset based on the environment
  * First check some default values, after this one we passed ourselves
  * and if none exist return the value for $LANG
  * @param environment variable to check conditionally if default ones are not
  *        set. Pass NULL if you don't want additional checks.
  * @return return string containing current charset, or NULL if not-determinable */
 const char *GetCurrentLocale(const char *param)
+{
 	const char *env;
 	env = getenv("LANGUAGE");
 	if (env != NULL) return env;
 	env = getenv("LC_ALL");
 	if (env != NULL) return env;
 	if (param != NULL) {
 		env = getenv(param);
 		if (env != NULL) return env;
+	}
 	return getenv("LANG");
+}
 static int CDECL LanguageCompareFunc(const void *a, const void *b)
+{
 	return strcmp(*(const char* const *)a, *(const char* const *)b);
+}
 static int GetLanguageList(char **languages, int max)
+{
 	DIR *dir;
 	struct dirent *dirent;
 	int num = 0;
 	dir = opendir(_paths.lang_dir);
 	if (dir != NULL) {
 		while ((dirent = readdir(dir)) != NULL) {
 			const char *d_name = FS2OTTD(dirent->d_name);
 			char *t = strrchr(d_name, '.');
 			if (t != NULL && strcmp(t, ".lng") == 0) {
 				languages[num++] = strdup(d_name);
 				if (num == max) break;
+			}
+		}
 		closedir(dir);
+	}
 	qsort(languages, num, sizeof(char*), LanguageCompareFunc);
 	return num;
+}
 // make a list of the available language packs. put the data in _dynlang struct.
 void InitializeLanguagePacks(void)
+{
 	DynamicLanguages *dl = &_dynlang;
 	int i;
 	int n;
 	int m;
 	int def;
 	int def2;
 	int fallback;
 	LanguagePack hdr;
 	FILE *in;
 	char *files[MAX_LANG];
 	const char* lang;
 	lang = GetCurrentLocale("LC_MESSAGES");
 	if (lang == NULL) lang = "en_GB";
 	n = GetLanguageList(files, lengthof(files));
 	def = -1;
 	def2 = -1;
 	fallback = 0;
 	// go through the language files and make sure that they are valid.
 	for (i = m = 0; i != n; i++) {
 		size_t j;
 		char *s = str_fmt("%s%s", _paths.lang_dir, files[i]);
 		in = fopen(s, "rb");
 		free(s);
 		if (in == NULL ||
 				(j = fread(&hdr, sizeof(hdr), 1, in), fclose(in), j) != 1 ||
 				hdr.ident != TO_LE32(LANGUAGE_PACK_IDENT) ||
 				hdr.version != TO_LE32(LANGUAGE_PACK_VERSION)) {
 			free(files[i]);
 			continue;
+		}
 		dl->ent[m].file = files[i];
 		dl->ent[m].name = strdup(hdr.name);
 		if (strcmp(hdr.isocode, "en_GB")  == 0) fallback = m;
 		if (strncmp(hdr.isocode, lang, 2) == 0) def2 = m;
 		if (strncmp(hdr.isocode, lang, 5) == 0) def = m;
 		m++;
+	}
 	if (def == -1) def = (def2 != -1 ? def2 : fallback);
 	if (m == 0)
 		error(n == 0 ? "No available language packs" : "Invalid version of language packs");
 	dl->num = m;
 	for (i = 0; i != dl->num; i++) dl->dropdown[i] = SPECSTR_LANGUAGE_START + i;
 	dl->dropdown[i] = INVALID_STRING_ID;
 	for (i = 0; i != dl->num; i++)
 		if (strcmp(dl->ent[i].file, dl->curr_file) == 0) {
 			def = i;
 			break;
+		}
 	if (!ReadLanguagePack(def))
 		error("can't read language pack '%s'", dl->ent[def].file);
+}