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Location: cpp/openttd-patchpack/source/src/misc.cpp - annotation
r7810:36ef334ff30e
14.3 KiB
text/x-c
(svn r11360) -Fix [FS#1375]: do not crash when trying to "draw" an invalid string, just draw a message saying it is invalid.
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/** @file misc.cpp */
#include "stdafx.h"
#include "openttd.h"
#include "currency.h"
#include "functions.h"
#include "landscape.h"
#include "news.h"
#include "player.h"
#include "string.h"
#include "table/strings.h"
#include "table/sprites.h"
#include "map.h"
#include "vehicle.h"
#include "saveload.h"
#include "engine.h"
#include "vehicle_gui.h"
#include "variables.h"
#include "ai/ai.h"
#include "newgrf_house.h"
#include "date.h"
#include "cargotype.h"
#include "group.h"
char _name_array[512][32];
#ifndef MERSENNE_TWISTER
#ifdef RANDOM_DEBUG
#include "network/network_data.h"
uint32 DoRandom(int line, const char *file)
#else // RANDOM_DEBUG
uint32 Random()
#endif // RANDOM_DEBUG
{
uint32 s;
uint32 t;
#ifdef RANDOM_DEBUG
if (_networking && (DEREF_CLIENT(0)->status != STATUS_INACTIVE || !_network_server))
printf("Random [%d/%d] %s:%d\n",_frame_counter, (byte)_current_player, file, line);
#endif
s = _random_seeds[0][0];
t = _random_seeds[0][1];
_random_seeds[0][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
return _random_seeds[0][1] = ROR(s, 3) - 1;
}
#endif // MERSENNE_TWISTER
#if defined(RANDOM_DEBUG) && !defined(MERSENNE_TWISTER)
uint DoRandomRange(uint max, int line, const char *file)
{
return GB(DoRandom(line, file), 0, 16) * max >> 16;
}
#else
uint RandomRange(uint max)
{
return GB(Random(), 0, 16) * max >> 16;
}
#endif
uint32 InteractiveRandom()
{
uint32 t = _random_seeds[1][1];
uint32 s = _random_seeds[1][0];
_random_seeds[1][0] = s + ROR(t ^ 0x1234567F, 7) + 1;
return _random_seeds[1][1] = ROR(s, 3) - 1;
}
uint InteractiveRandomRange(uint max)
{
return GB(InteractiveRandom(), 0, 16) * max >> 16;
}
void InitializeVehicles();
void InitializeWaypoints();
void InitializeDepots();
void InitializeEngines();
void InitializeOrders();
void InitializeClearLand();
void InitializeRailGui();
void InitializeRoadGui();
void InitializeAirportGui();
void InitializeDockGui();
void InitializeIndustries();
void InitializeMainGui();
void InitializeTowns();
void InitializeTrees();
void InitializeSigns();
void InitializeStations();
void InitializeCargoPackets();
static void InitializeNameMgr();
void InitializePlayers();
static void InitializeCheats();
void InitializeNPF();
void InitializeGame(int mode, uint size_x, uint size_y)
{
AllocateMap(size_x, size_y);
AddTypeToEngines(); // make sure all engines have a type
SetObjectToPlace(SPR_CURSOR_ZZZ, PAL_NONE, 0, WC_MAIN_WINDOW, 0);
_pause_game = 0;
_fast_forward = 0;
_tick_counter = 0;
_realtime_tick = 0;
_date_fract = 0;
_cur_tileloop_tile = 0;
if ((mode & IG_DATE_RESET) == IG_DATE_RESET) {
SetDate(ConvertYMDToDate(_patches.starting_year, 0, 1));
}
InitializeEngines();
InitializeVehicles();
InitializeWaypoints();
InitializeDepots();
InitializeOrders();
InitializeGroup();
InitNewsItemStructs();
InitializeLandscape();
InitializeClearLand();
InitializeRailGui();
InitializeRoadGui();
InitializeAirportGui();
InitializeDockGui();
InitializeTowns();
InitializeTrees();
InitializeSigns();
InitializeStations();
InitializeCargoPackets();
InitializeIndustries();
InitializeBuildingCounts();
InitializeMainGui();
InitializeNameMgr();
InitializeVehiclesGuiList();
InitializeTrains();
InitializeNPF();
AI_Initialize();
InitializePlayers();
InitializeCheats();
InitTextEffects();
InitChatMessage();
InitializeAnimatedTiles();
InitializeLandscapeVariables(false);
ResetObjectToPlace();
}
bool IsCustomName(StringID id)
{
return GB(id, 11, 5) == 15;
}
void DeleteName(StringID id)
{
if (IsCustomName(id)) {
memset(_name_array[id & 0x1FF], 0, sizeof(_name_array[id & 0x1FF]));
}
}
char *GetName(char *buff, StringID id, const char* last)
{
return strecpy(buff, _name_array[id & ~0x600], last);
}
static void InitializeCheats()
{
memset(&_cheats, 0, sizeof(Cheats));
}
static void InitializeNameMgr()
{
memset(_name_array, 0, sizeof(_name_array));
}
StringID RealAllocateName(const char *name, byte skip, bool check_double)
{
char (*free_item)[lengthof(*_name_array)] = NULL;
char (*i)[lengthof(*_name_array)];
for (i = _name_array; i != endof(_name_array); ++i) {
if ((*i)[0] == '\0') {
if (free_item == NULL) free_item = i;
} else if (check_double && strncmp(*i, name, lengthof(*i) - 1) == 0) {
_error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY;
return 0;
}
}
if (free_item != NULL) {
ttd_strlcpy(*free_item, name, lengthof(*free_item));
return (free_item - _name_array) | 0x7800 | (skip << 8);
} else {
_error_message = STR_0131_TOO_MANY_NAMES_DEFINED;
return 0;
}
}
void ConvertNameArray()
{
uint i;
for (i = 0; i < lengthof(_name_array); i++) {
const char *strfrom = _name_array[i];
char tmp[sizeof(*_name_array)];
char *strto = tmp;
for (; *strfrom != '\0'; strfrom++) {
WChar c = (byte)*strfrom;
switch (c) {
case 0xA4: c = 0x20AC; break; // Euro
case 0xA6: c = 0x0160; break; // S with caron
case 0xA8: c = 0x0161; break; // s with caron
case 0xB4: c = 0x017D; break; // Z with caron
case 0xB8: c = 0x017E; break; // z with caron
case 0xBC: c = 0x0152; break; // OE ligature
case 0xBD: c = 0x0153; break; // oe ligature
case 0xBE: c = 0x0178; break; // Y with diaresis
default: break;
}
if (strto + Utf8CharLen(c) > lastof(tmp)) break;
strto += Utf8Encode(strto, c);
}
/* Terminate the new string and copy it back to the name array */
*strto = '\0';
memcpy(_name_array[i], tmp, sizeof(*_name_array));
}
}
/* Calculate constants that depend on the landscape type. */
void InitializeLandscapeVariables(bool only_constants)
{
if (only_constants) return;
for (CargoID i = 0; i < NUM_CARGO; i++) {
_cargo_payment_rates[i] = GetCargo(i)->initial_payment;
_cargo_payment_rates_frac[i] = 0;
}
}
int FindFirstBit(uint32 value)
{
/* The macro FIND_FIRST_BIT is better to use when your value is
not more than 128. */
byte i = 0;
if (value == 0) return 0;
if ((value & 0x0000ffff) == 0) { value >>= 16; i += 16; }
if ((value & 0x000000ff) == 0) { value >>= 8; i += 8; }
if ((value & 0x0000000f) == 0) { value >>= 4; i += 4; }
if ((value & 0x00000003) == 0) { value >>= 2; i += 2; }
if ((value & 0x00000001) == 0) { i += 1; }
return i;
}
static void Save_NAME()
{
int i;
for (i = 0; i != lengthof(_name_array); ++i) {
if (_name_array[i][0] != '\0') {
SlSetArrayIndex(i);
SlArray(_name_array[i], (uint)strlen(_name_array[i]), SLE_UINT8);
}
}
}
static void Load_NAME()
{
int index;
while ((index = SlIterateArray()) != -1) {
SlArray(_name_array[index], SlGetFieldLength(), SLE_UINT8);
}
}
static const SaveLoadGlobVarList _date_desc[] = {
SLEG_CONDVAR(_date, SLE_FILE_U16 | SLE_VAR_I32, 0, 30),
SLEG_CONDVAR(_date, SLE_INT32, 31, SL_MAX_VERSION),
SLEG_VAR(_date_fract, SLE_UINT16),
SLEG_VAR(_tick_counter, SLE_UINT16),
SLEG_VAR(_vehicle_id_ctr_day, SLE_UINT16),
SLEG_VAR(_age_cargo_skip_counter, SLE_UINT8),
SLE_CONDNULL(1, 0, 45),
SLEG_CONDVAR(_cur_tileloop_tile, SLE_FILE_U16 | SLE_VAR_U32, 0, 5),
SLEG_CONDVAR(_cur_tileloop_tile, SLE_UINT32, 6, SL_MAX_VERSION),
SLEG_VAR(_disaster_delay, SLE_UINT16),
SLEG_VAR(_station_tick_ctr, SLE_UINT16),
SLEG_VAR(_random_seeds[0][0], SLE_UINT32),
SLEG_VAR(_random_seeds[0][1], SLE_UINT32),
SLEG_CONDVAR(_cur_town_ctr, SLE_FILE_U8 | SLE_VAR_U32, 0, 9),
SLEG_CONDVAR(_cur_town_ctr, SLE_UINT32, 10, SL_MAX_VERSION),
SLEG_VAR(_cur_player_tick_index, SLE_FILE_U8 | SLE_VAR_U32),
SLEG_VAR(_next_competitor_start, SLE_FILE_U16 | SLE_VAR_U32),
SLEG_VAR(_trees_tick_ctr, SLE_UINT8),
SLEG_CONDVAR(_pause_game, SLE_UINT8, 4, SL_MAX_VERSION),
SLEG_CONDVAR(_cur_town_iter, SLE_UINT32, 11, SL_MAX_VERSION),
SLEG_END()
};
/* Save load date related variables as well as persistent tick counters
* XXX: currently some unrelated stuff is just put here */
static void SaveLoad_DATE()
{
SlGlobList(_date_desc);
}
static const SaveLoadGlobVarList _view_desc[] = {
SLEG_CONDVAR(_saved_scrollpos_x, SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
SLEG_CONDVAR(_saved_scrollpos_x, SLE_INT32, 6, SL_MAX_VERSION),
SLEG_CONDVAR(_saved_scrollpos_y, SLE_FILE_I16 | SLE_VAR_I32, 0, 5),
SLEG_CONDVAR(_saved_scrollpos_y, SLE_INT32, 6, SL_MAX_VERSION),
SLEG_VAR(_saved_scrollpos_zoom, SLE_UINT8),
SLEG_END()
};
static void SaveLoad_VIEW()
{
SlGlobList(_view_desc);
}
static uint32 _map_dim_x;
static uint32 _map_dim_y;
static const SaveLoadGlobVarList _map_dimensions[] = {
SLEG_CONDVAR(_map_dim_x, SLE_UINT32, 6, SL_MAX_VERSION),
SLEG_CONDVAR(_map_dim_y, SLE_UINT32, 6, SL_MAX_VERSION),
SLEG_END()
};
static void Save_MAPS()
{
_map_dim_x = MapSizeX();
_map_dim_y = MapSizeY();
SlGlobList(_map_dimensions);
}
static void Load_MAPS()
{
SlGlobList(_map_dimensions);
AllocateMap(_map_dim_x, _map_dim_y);
}
static void Load_MAPT()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].type_height = buf[j];
}
}
static void Save_MAPT()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
byte buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].type_height;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP1()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].m1 = buf[j];
}
}
static void Save_MAP1()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
byte buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m1;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP2()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
uint16 buf[4096];
uint j;
SlArray(buf, lengthof(buf),
/* In those versions the m2 was 8 bits */
CheckSavegameVersion(5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
);
for (j = 0; j != lengthof(buf); j++) _m[i++].m2 = buf[j];
}
}
static void Save_MAP2()
{
uint size = MapSize();
uint i;
SlSetLength(size * sizeof(_m[0].m2));
for (i = 0; i != size;) {
uint16 buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m2;
SlArray(buf, lengthof(buf), SLE_UINT16);
}
}
static void Load_MAP3()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].m3 = buf[j];
}
}
static void Save_MAP3()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
byte buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m3;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP4()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].m4 = buf[j];
}
}
static void Save_MAP4()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
byte buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m4;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP5()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].m5 = buf[j];
}
}
static void Save_MAP5()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
byte buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m5;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP6()
{
/* Still available for loading old games */
uint size = MapSize();
uint i;
if (CheckSavegameVersion(42)) {
for (i = 0; i != size;) {
uint8 buf[1024];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) {
_m[i++].m6 = GB(buf[j], 0, 2);
_m[i++].m6 = GB(buf[j], 2, 2);
_m[i++].m6 = GB(buf[j], 4, 2);
_m[i++].m6 = GB(buf[j], 6, 2);
}
}
} else {
for (i = 0; i != size;) {
byte buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _m[i++].m6 = buf[j];
}
}
}
static void Save_MAP6()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
uint8 buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _m[i++].m6;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Load_MAP7()
{
uint size = MapSize();
uint i;
for (i = 0; i != size;) {
uint8 buf[4096];
uint j;
SlArray(buf, lengthof(buf), SLE_UINT8);
for (j = 0; j != lengthof(buf); j++) _me[i++].m7 = buf[j];
}
}
static void Save_MAP7()
{
uint size = MapSize();
uint i;
SlSetLength(size);
for (i = 0; i != size;) {
uint8 buf[4096];
uint j;
for (j = 0; j != lengthof(buf); j++) buf[j] = _me[i++].m7;
SlArray(buf, lengthof(buf), SLE_UINT8);
}
}
static void Save_CHTS()
{
byte count = sizeof(_cheats)/sizeof(Cheat);
Cheat* cht = (Cheat*) &_cheats;
Cheat* cht_last = &cht[count];
SlSetLength(count * 2);
for (; cht != cht_last; cht++) {
SlWriteByte(cht->been_used);
SlWriteByte(cht->value);
}
}
static void Load_CHTS()
{
Cheat* cht = (Cheat*)&_cheats;
uint count = SlGetFieldLength() / 2;
uint i;
for (i = 0; i < count; i++) {
cht[i].been_used = (SlReadByte() != 0);
cht[i].value = (SlReadByte() != 0);
}
}
extern const ChunkHandler _misc_chunk_handlers[] = {
{ 'MAPS', Save_MAPS, Load_MAPS, CH_RIFF },
{ 'MAPT', Save_MAPT, Load_MAPT, CH_RIFF },
{ 'MAPO', Save_MAP1, Load_MAP1, CH_RIFF },
{ 'MAP2', Save_MAP2, Load_MAP2, CH_RIFF },
{ 'M3LO', Save_MAP3, Load_MAP3, CH_RIFF },
{ 'M3HI', Save_MAP4, Load_MAP4, CH_RIFF },
{ 'MAP5', Save_MAP5, Load_MAP5, CH_RIFF },
{ 'MAPE', Save_MAP6, Load_MAP6, CH_RIFF },
{ 'MAP7', Save_MAP7, Load_MAP7, CH_RIFF },
{ 'NAME', Save_NAME, Load_NAME, CH_ARRAY},
{ 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF},
{ 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF},
{ 'CHTS', Save_CHTS, Load_CHTS, CH_RIFF | CH_LAST}
};
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