diff options
Diffstat (limited to 'misc.c')
-rw-r--r-- | misc.c | 785 |
1 files changed, 785 insertions, 0 deletions
@@ -0,0 +1,785 @@ +#include "stdafx.h" +#include "ttd.h" +#include "vehicle.h" +#include "gfx.h" +#include "assert.h" +#include "saveload.h" + +extern void StartupEconomy(); +extern void InitNewsItemStructs(); + +static uint32 _random_seed_3, _random_seed_4; + +byte _name_array[512][32]; + +static INLINE uint32 ROR(uint32 x, int n) +{ + return (x >> n) + (x << ((sizeof(x)*8)-n)); +} + + +uint32 Random() +{ + uint32 t = _random_seed_2; + uint32 s = _random_seed_1; + _random_seed_1 = s + ROR(t ^ 0x1234567F, 7); + return _random_seed_2 = ROR(s, 3); +} + +uint RandomRange(uint max) +{ + return (uint16)Random() * max >> 16; +} + +uint32 InteractiveRandom() +{ + uint32 t = _random_seed_4; + uint32 s = _random_seed_3; + _random_seed_3 = s + ROR(t ^ 0x1234567F, 7); + return _random_seed_4 = ROR(s, 3); +} + +void memswap(void *a, void *b, size_t size) { + void *c = alloca(size); + memcpy(c, a, size); + memcpy(a, b, size); + memcpy(b, c, size); +} + +void SetDate(uint date) +{ + YearMonthDay ymd; + ConvertDayToYMD(&ymd, _date = date); + _cur_year = ymd.year; + _cur_month = ymd.month; +} + +void InitializeClearLand(); +void InitializeRail(); +void InitializeRailGui(); +void InitializeRoad(); +void InitializeRoadGui(); +void InitializeAirportGui(); +void InitializeDock(); +void InitializeDockGui(); +void InitializeIndustries(); +void InitializeLandscape(); +void InitializeTowns(); +void InitializeTrees(); +void InitializeStations(); +void InitializeNameMgr(); +void InitializePlayers(); +void InitializeCheats(); + +void GenerateLandscape(); +void GenerateClearTile(); + +void GenerateIndustries(); +void GenerateUnmovables(); +void GenerateTowns(); + +void StartupPlayers(); +void StartupEngines(); +void StartupDisasters(); +void GenerateTrees(); + +void ConvertGroundTilesIntoWaterTiles(); + +void InitializeGame() +{ + SetObjectToPlace(1, 0, 0, 0); + + _pause = 0; + _fast_forward = 0; + _tick_counter = 0; + _date_fract = 0; + _cur_tileloop_tile = 0; + _vehicle_id_ctr_day = 0; + + { + uint starting = ConvertIntDate(_patches.starting_date); + if ( starting == (uint)-1) starting = 10958; + SetDate(starting); + } + + InitializeVehicles(); + _backup_orders_tile = 0; + + InitNewsItemStructs(); + InitializeLandscape(); + InitializeClearLand(); + InitializeRail(); + InitializeRailGui(); + InitializeRoad(); + InitializeRoadGui(); + InitializeAirportGui(); + InitializeDock(); + InitializeDockGui(); + InitializeTowns(); + InitializeTrees(); + InitializeStations(); + InitializeIndustries(); + + InitializeNameMgr(); + InitializeTrains(); + + InitializePlayers(); + InitializeCheats(); + + InitTextEffects(); + InitializeAnimatedTiles(); + + InitializeLandscapeVariables(false); + + ResetObjectToPlace(); +} + +void GenerateWorld(int mode) +{ + int i; + + _generating_world = true; + InitializeGame(); + SetObjectToPlace(1, 0, 0, 0); + + // Must start economy early because of the costs. + StartupEconomy(); + + // Don't generate landscape items when in the scenario editor. + if (mode == 1) { + // empty world in scenario editor + ConvertGroundTilesIntoWaterTiles(); + } else { + GenerateLandscape(); + GenerateClearTile(); + + // only generate towns, tree and industries in newgame mode. + if (mode == 0) { + GenerateTowns(); + GenerateTrees(); + GenerateIndustries(); + GenerateUnmovables(); + } + } + + // These are probably pointless when inside the scenario editor. + StartupPlayers(); + StartupEngines(); + StartupDisasters(); + _generating_world = false; + + // No need to run the tile loop in the scenario editor. + if (mode != 1) { + for(i=0x500; i!=0; i--) + RunTileLoop(); + } + + ResetObjectToPlace(); +} + +void DeleteName(StringID id) +{ + if ((id & 0xF800) == 0x7800) { + memset(_name_array[id & 0x1FF], 0, sizeof(_name_array[id & 0x1FF])); + } +} + +byte *GetName(int id, byte *buff) +{ + byte *b; + + if (id & 0x600) { + if (id & 0x200) { + if (id & 0x400) { + GetParamInt32(); + GetParamUint16(); + } else { + GetParamUint16(); + } + } else { + GetParamInt32(); + } + } + + b = _name_array[(id&~0x600)]; + while ((*buff++ = *b++) != 0); + + return buff - 1; +} + + +void InitializeCheats() +{ + memset(&_cheats, 0, sizeof(Cheats)); +} + + +void InitializeNameMgr() +{ + memset(_name_array, 0, sizeof(_name_array)); +} + +StringID AllocateName(const byte *name, byte skip) +{ + int free_item = -1; + const byte *names; + byte *dst; + int i; + + names = &_name_array[0][0]; + + for(i=0; i!=512; i++,names+=sizeof(_name_array[0])) { + if (names[0] == 0) { + if (free_item == -1) + free_item = i; + } else { + if (str_eq(names, name)) { + _error_message = STR_0132_CHOSEN_NAME_IN_USE_ALREADY; + return 0; + } + } + } + + if (free_item < 0) { + _error_message = STR_0131_TOO_MANY_NAMES_DEFINED; + return 0; + } + + dst=_name_array[free_item]; + + for(i=0; (dst[i] = name[i]) != 0 && ++i != 32; ) {} + dst[31] = 0; + + return free_item | 0x7800 | (skip << 8); +} + +const TileIndexDiff _tileoffs_by_dir[4] = { + TILE_XY(-1, 0), + TILE_XY(0, 1), + TILE_XY(1, 0), + TILE_XY(0, -1), +}; + + +#define M(a,b) ((a<<5)|b) +static const uint16 _month_date_from_year_day[] = { +M(0,1),M(0,2),M(0,3),M(0,4),M(0,5),M(0,6),M(0,7),M(0,8),M(0,9),M(0,10),M(0,11),M(0,12),M(0,13),M(0,14),M(0,15),M(0,16),M(0,17),M(0,18),M(0,19),M(0,20),M(0,21),M(0,22),M(0,23),M(0,24),M(0,25),M(0,26),M(0,27),M(0,28),M(0,29),M(0,30),M(0,31), +M(1,1),M(1,2),M(1,3),M(1,4),M(1,5),M(1,6),M(1,7),M(1,8),M(1,9),M(1,10),M(1,11),M(1,12),M(1,13),M(1,14),M(1,15),M(1,16),M(1,17),M(1,18),M(1,19),M(1,20),M(1,21),M(1,22),M(1,23),M(1,24),M(1,25),M(1,26),M(1,27),M(1,28),M(1,29), +M(2,1),M(2,2),M(2,3),M(2,4),M(2,5),M(2,6),M(2,7),M(2,8),M(2,9),M(2,10),M(2,11),M(2,12),M(2,13),M(2,14),M(2,15),M(2,16),M(2,17),M(2,18),M(2,19),M(2,20),M(2,21),M(2,22),M(2,23),M(2,24),M(2,25),M(2,26),M(2,27),M(2,28),M(2,29),M(2,30),M(2,31), +M(3,1),M(3,2),M(3,3),M(3,4),M(3,5),M(3,6),M(3,7),M(3,8),M(3,9),M(3,10),M(3,11),M(3,12),M(3,13),M(3,14),M(3,15),M(3,16),M(3,17),M(3,18),M(3,19),M(3,20),M(3,21),M(3,22),M(3,23),M(3,24),M(3,25),M(3,26),M(3,27),M(3,28),M(3,29),M(3,30), +M(4,1),M(4,2),M(4,3),M(4,4),M(4,5),M(4,6),M(4,7),M(4,8),M(4,9),M(4,10),M(4,11),M(4,12),M(4,13),M(4,14),M(4,15),M(4,16),M(4,17),M(4,18),M(4,19),M(4,20),M(4,21),M(4,22),M(4,23),M(4,24),M(4,25),M(4,26),M(4,27),M(4,28),M(4,29),M(4,30),M(4,31), +M(5,1),M(5,2),M(5,3),M(5,4),M(5,5),M(5,6),M(5,7),M(5,8),M(5,9),M(5,10),M(5,11),M(5,12),M(5,13),M(5,14),M(5,15),M(5,16),M(5,17),M(5,18),M(5,19),M(5,20),M(5,21),M(5,22),M(5,23),M(5,24),M(5,25),M(5,26),M(5,27),M(5,28),M(5,29),M(5,30), +M(6,1),M(6,2),M(6,3),M(6,4),M(6,5),M(6,6),M(6,7),M(6,8),M(6,9),M(6,10),M(6,11),M(6,12),M(6,13),M(6,14),M(6,15),M(6,16),M(6,17),M(6,18),M(6,19),M(6,20),M(6,21),M(6,22),M(6,23),M(6,24),M(6,25),M(6,26),M(6,27),M(6,28),M(6,29),M(6,30),M(6,31), +M(7,1),M(7,2),M(7,3),M(7,4),M(7,5),M(7,6),M(7,7),M(7,8),M(7,9),M(7,10),M(7,11),M(7,12),M(7,13),M(7,14),M(7,15),M(7,16),M(7,17),M(7,18),M(7,19),M(7,20),M(7,21),M(7,22),M(7,23),M(7,24),M(7,25),M(7,26),M(7,27),M(7,28),M(7,29),M(7,30),M(7,31), +M(8,1),M(8,2),M(8,3),M(8,4),M(8,5),M(8,6),M(8,7),M(8,8),M(8,9),M(8,10),M(8,11),M(8,12),M(8,13),M(8,14),M(8,15),M(8,16),M(8,17),M(8,18),M(8,19),M(8,20),M(8,21),M(8,22),M(8,23),M(8,24),M(8,25),M(8,26),M(8,27),M(8,28),M(8,29),M(8,30), +M(9,1),M(9,2),M(9,3),M(9,4),M(9,5),M(9,6),M(9,7),M(9,8),M(9,9),M(9,10),M(9,11),M(9,12),M(9,13),M(9,14),M(9,15),M(9,16),M(9,17),M(9,18),M(9,19),M(9,20),M(9,21),M(9,22),M(9,23),M(9,24),M(9,25),M(9,26),M(9,27),M(9,28),M(9,29),M(9,30),M(9,31), +M(10,1),M(10,2),M(10,3),M(10,4),M(10,5),M(10,6),M(10,7),M(10,8),M(10,9),M(10,10),M(10,11),M(10,12),M(10,13),M(10,14),M(10,15),M(10,16),M(10,17),M(10,18),M(10,19),M(10,20),M(10,21),M(10,22),M(10,23),M(10,24),M(10,25),M(10,26),M(10,27),M(10,28),M(10,29),M(10,30), +M(11,1),M(11,2),M(11,3),M(11,4),M(11,5),M(11,6),M(11,7),M(11,8),M(11,9),M(11,10),M(11,11),M(11,12),M(11,13),M(11,14),M(11,15),M(11,16),M(11,17),M(11,18),M(11,19),M(11,20),M(11,21),M(11,22),M(11,23),M(11,24),M(11,25),M(11,26),M(11,27),M(11,28),M(11,29),M(11,30),M(11,31), +}; +#undef M + +enum { + ACCUM_JAN = 0, + ACCUM_FEB = ACCUM_JAN + 31, + ACCUM_MAR = ACCUM_FEB + 29, + ACCUM_APR = ACCUM_MAR + 31, + ACCUM_MAY = ACCUM_APR + 30, + ACCUM_JUN = ACCUM_MAY + 31, + ACCUM_JUL = ACCUM_JUN + 30, + ACCUM_AUG = ACCUM_JUL + 31, + ACCUM_SEP = ACCUM_AUG + 31, + ACCUM_OCT = ACCUM_SEP + 30, + ACCUM_NOV = ACCUM_OCT + 31, + ACCUM_DEC = ACCUM_NOV + 30, +}; + +static const uint16 _accum_days_for_month[] = { + ACCUM_JAN,ACCUM_FEB,ACCUM_MAR,ACCUM_APR, + ACCUM_MAY,ACCUM_JUN,ACCUM_JUL,ACCUM_AUG, + ACCUM_SEP,ACCUM_OCT,ACCUM_NOV,ACCUM_DEC, +}; + + +void ConvertDayToYMD(YearMonthDay *ymd, uint16 date) +{ + uint yr = date / (365+365+365+366); + uint rem = date % (365+365+365+366); + uint x; + + yr *= 4; + + if (rem >= 366) { + rem--; + do { + rem -= 365; + yr++; + } while (rem >= 365); + if (rem >= 31+28) rem++; + } + + ymd->year = yr; + + x = _month_date_from_year_day[rem]; + ymd->month = x >> 5; + ymd->day = x & 0x1F; +} + +// year is a number between 0..? +// month is a number between 0..11 +// day is a number between 1..31 +uint ConvertYMDToDay(uint year, uint month, uint day) +{ + uint rem; + + // day in the year + rem = _accum_days_for_month[month] + day - 1; + + // remove feb 29 from year 1,2,3 + if (year & 3) rem += (year & 3) * 365 + (rem < 31+29); + + // base date. + return (year >> 2) * (365+365+365+366) + rem; +} + +// convert a date on the form +// 1920 - 2090 +// 192001 - 209012 +// 19200101 - 20901231 +// or if > 2090 and below 65536, treat it as a daycount +// returns -1 if no conversion was possible +uint ConvertIntDate(uint date) +{ + uint year, month = 0, day = 1; + + if (IS_INT_INSIDE(date, 1920, 2090 + 1)) { + year = date - 1920; + } else if (IS_INT_INSIDE(date, 192001, 209012+1)) { + month = date % 100 - 1; + year = date / 100 - 1920; + } else if (IS_INT_INSIDE(date, 19200101, 20901231+1)) { + day = date % 100; date /= 100; + month = date % 100 - 1; + year = date / 100 - 1920; + } else if (IS_INT_INSIDE(date, 2091, 65536)) + return date; + else + return (uint)-1; + + // invalid ranges? + if (month >= 12 || !IS_INT_INSIDE(day, 1, 31+1)) return (uint)-1; + + return ConvertYMDToDay(year, month, day); +} + +typedef struct LandscapePredefVar { + StringID names[NUM_CARGO]; + byte weights[NUM_CARGO]; + StringID sprites[NUM_CARGO]; + + uint16 initial_cargo_payment[NUM_CARGO]; + byte transit_days_table_1[NUM_CARGO]; + byte transit_days_table_2[NUM_CARGO]; + + byte railwagon_by_cargo[3][NUM_CARGO]; + + byte road_veh_by_cargo_start[NUM_CARGO]; + byte road_veh_by_cargo_count[NUM_CARGO]; +} LandscapePredefVar; + +#include "table/landscape_const.h" + + +// Calculate constants that depend on the landscape type. +void InitializeLandscapeVariables(bool only_constants) +{ + const LandscapePredefVar *lpd; + int i; + StringID str; + + lpd = &_landscape_predef_var[_opt.landscape]; + + memcpy(_cargoc.ai_railwagon, lpd->railwagon_by_cargo, sizeof(lpd->railwagon_by_cargo)); + memcpy(_cargoc.ai_roadveh_start, lpd->road_veh_by_cargo_start,sizeof(lpd->road_veh_by_cargo_start)); + memcpy(_cargoc.ai_roadveh_count, lpd->road_veh_by_cargo_count,sizeof(lpd->road_veh_by_cargo_count)); + + for(i=0; i!=NUM_CARGO; i++) { + _cargoc.sprites[i] = lpd->sprites[i]; + + str = lpd->names[i]; + _cargoc.names_s[i] = str; + _cargoc.names_p[i] = (str += 0x20); + _cargoc.names_long_s[i] = (str += 0x20); + _cargoc.names_long_p[i] = (str += 0x20); + _cargoc.names_short[i] = (str += 0x20); + _cargoc.weights[i] = lpd->weights[i]; + + if (!only_constants) { + _cargo_payment_rates[i] = lpd->initial_cargo_payment[i]; + _cargo_payment_rates_frac[i] = 0; + } + + _cargoc.transit_days_1[i] = lpd->transit_days_table_1[i]; + _cargoc.transit_days_2[i] = lpd->transit_days_table_2[i]; + } +} + +// distance in Manhattan metric +uint GetTileDist(TileIndex xy1, TileIndex xy2) +{ + return myabs(GET_TILE_X(xy1) - GET_TILE_X(xy2)) + + myabs(GET_TILE_Y(xy1) - GET_TILE_Y(xy2)); +} + +// maximum distance in x _or_ y +uint GetTileDist1D(TileIndex xy1, TileIndex xy2) +{ + return max(myabs(GET_TILE_X(xy1) - GET_TILE_X(xy2)), + myabs(GET_TILE_Y(xy1) - GET_TILE_Y(xy2))); +} + +uint GetTileDist1Db(TileIndex xy1, TileIndex xy2) +{ + int a = myabs(GET_TILE_X(xy1) - GET_TILE_X(xy2)); + int b = myabs(GET_TILE_Y(xy1) - GET_TILE_Y(xy2)); + + if (a > b) + return a*2+b; + else + return b*2+a; +} + +uint GetTileDistAdv(TileIndex xy1, TileIndex xy2) +{ + uint a = myabs(GET_TILE_X(xy1) - GET_TILE_X(xy2)); + uint b = myabs(GET_TILE_Y(xy1) - GET_TILE_Y(xy2)); + return a*a+b*b; +} + +bool CheckDistanceFromEdge(TileIndex tile, uint distance) +{ + return IS_INT_INSIDE(GET_TILE_X(tile), distance, TILE_X_MAX + 1 - distance) && + IS_INT_INSIDE(GET_TILE_Y(tile), distance, TILE_Y_MAX + 1 - distance); +} + +void OnNewDay_Train(Vehicle *v); +void OnNewDay_RoadVeh(Vehicle *v); +void OnNewDay_Aircraft(Vehicle *v); +void OnNewDay_Ship(Vehicle *v); +void OnNewDay_EffectVehicle(Vehicle *v) { /* empty */ } +void OnNewDay_DisasterVehicle(Vehicle *v); + +typedef void OnNewVehicleDayProc(Vehicle *v); + +static OnNewVehicleDayProc * _on_new_vehicle_day_proc[] = { + OnNewDay_Train, + OnNewDay_RoadVeh, + OnNewDay_Ship, + OnNewDay_Aircraft, + OnNewDay_EffectVehicle, + OnNewDay_DisasterVehicle, +}; + +void EnginesDailyLoop(); +void DisasterDailyLoop(); +void PlayersMonthlyLoop(); +void EnginesMonthlyLoop(); +void TownsMonthlyLoop(); +void IndustryMonthlyLoop(); +void StationMonthlyLoop(); + +void PlayersYearlyLoop(); +void TrainsYearlyLoop(); +void RoadVehiclesYearlyLoop(); +void AircraftYearlyLoop(); +void ShipsYearlyLoop(); + +void CheckpointsDailyLoop(); + + +static const uint16 _autosave_months[] = { + 0, // never + 0xFFF, // every month + 0x249, // every 3 months + 0x041, // every 6 months + 0x001, // every 12 months +}; + +void IncreaseDate() +{ + int i,ctr,t; + YearMonthDay ymd; + + if (_game_mode == GM_MENU) { + _tick_counter++; + return; + } + + /*if the day changed, call the vehicle event but only update a part of the vehicles + old max was i!= 12. But with that and a bigger number of vehicles (2560), per day only + a part of it could be done, namely: function called max_size date_fract (uint16) / 885 x 12 ==> + 65536 / 885 = 74; 74x12 = 888. So max 888. Any vehicles above that were not _on_new_vehicle_day_proc'd + eg. aged. + So new code updates it for max vehicles. + (NUM_VEHICLES / maximum number of times ctr is incremented before reset ) + 1 (to get last vehicles too) + max size of _date_fract / 885 (added each tick) is number of times before ctr is reset. + Calculation might look complicated, but compiler just replaces it with 35, so that's ok + */ + + ctr = _vehicle_id_ctr_day; + for(i=0; i!=(NUM_VEHICLES / ((1<<sizeof(_date_fract)*8) / 885)) + 1 && ctr != lengthof(_vehicles); i++) { + Vehicle *v = &_vehicles[ctr++]; + if ((t=v->type) != 0) + _on_new_vehicle_day_proc[t - 0x10](v); + } + _vehicle_id_ctr_day = ctr; + + /* increase day, and check if a new day is there? */ + _tick_counter++; + + if ( (_date_fract += 885) >= 885) + return; + + /* yeah, increse day counter and call various daily loops */ + _date++; + + _vehicle_id_ctr_day = 0; + + DisasterDailyLoop(); + CheckpointsDailyLoop(); + + if (_game_mode != GM_MENU) { + InvalidateWindowWidget(WC_STATUS_BAR, 0, 0); + EnginesDailyLoop(); + } + + /* check if we entered a new month? */ + ConvertDayToYMD(&ymd, _date); + if ((byte)ymd.month == _cur_month) + return; + _cur_month = ymd.month; + +// printf("Month %d, %X\n", ymd.month, _random_seed_1); + + /* yes, call various monthly loops */ + if (_game_mode != GM_MENU) { + if (HASBIT(_autosave_months[_opt.autosave], _cur_month)) { + _do_autosave = true; + RedrawAutosave(); + } + + PlayersMonthlyLoop(); + EnginesMonthlyLoop(); + TownsMonthlyLoop(); + IndustryMonthlyLoop(); + StationMonthlyLoop(); + } + + /* check if we entered a new year? */ + if ((byte)ymd.year == _cur_year) + return; + _cur_year = ymd.year; + + /* yes, call various yearly loops */ + + PlayersYearlyLoop(); + TrainsYearlyLoop(); + RoadVehiclesYearlyLoop(); + AircraftYearlyLoop(); + ShipsYearlyLoop(); + + /* check if we reached 2090, that's the maximum year. */ + if (_cur_year == 171) { + _cur_year = 170; + _date = 62093; + } + + if (_patches.auto_euro) + CheckSwitchToEuro(); + + /* XXX: check if year 2050 was reached */ +} + +int FindFirstBit(uint32 x) +{ + int i = 0; + assert(x != 0); + for(;!(x&1);i++,x>>=1); + return i; +} + + +extern uint SafeTileAdd(uint tile, int add, const char *exp, const char *file, int line) +{ + int x = GET_TILE_X(tile) + (signed char)(add & 0xFF); + int y = GET_TILE_Y(tile) + ((((0x8080 + add)>>8) & 0xFF) - 0x80); + + if (x < 0 || y < 0 || x >= TILES_X || y >= TILES_Y) { + char buf[512]; + + sprintf(buf, "TILE_ADD(%s) when adding 0x%.4X and %d failed", exp, tile, add); +#if !defined(_DEBUG) || !defined(_MSC_VER) + printf("%s\n", buf); +#else + _assert(buf, (char*)file, line); +#endif + } + + assert(TILE_XY(x,y) == TILE_MASK(tile + add)); + + return TILE_XY(x,y); +} + +static void Save_NAME() +{ + int i; + byte *b = _name_array[0]; + + for(i=0; i!=lengthof(_name_array); i++,b+=sizeof(_name_array[0])) { + if (*b) { + SlSetArrayIndex(i); + SlArray(b, strlen(b), SLE_UINT8); + } + } +} + +static void Load_NAME() +{ + int index; + + while ((index = SlIterateArray()) != -1) { + SlArray(_name_array[index],SlGetFieldLength(),SLE_UINT8); + } +} + +static const byte _game_opt_desc[] = { + // added a new difficulty option (town attitude) in version 4 + SLE_CONDARR(GameOptions,diff, SLE_FILE_I16 | SLE_VAR_I32, 17, 0, 3), + SLE_CONDARR(GameOptions,diff, SLE_FILE_I16 | SLE_VAR_I32, 18, 4, 255), + SLE_VAR(GameOptions,diff_level, SLE_UINT8), + SLE_VAR(GameOptions,currency, SLE_UINT8), + SLE_VAR(GameOptions,kilometers, SLE_UINT8), + SLE_VAR(GameOptions,town_name, SLE_UINT8), + SLE_VAR(GameOptions,landscape, SLE_UINT8), + SLE_VAR(GameOptions,snow_line, SLE_UINT8), + SLE_VAR(GameOptions,autosave, SLE_UINT8), + SLE_VAR(GameOptions,road_side, SLE_UINT8), + SLE_END() +}; + +// Save load game options +static void SaveLoad_OPTS() +{ + SlObject(&_opt, _game_opt_desc); +} + + +static const SaveLoadGlobVarList _date_desc[] = { + {&_date, SLE_UINT16, 0, 255}, + {&_date_fract, SLE_UINT16, 0, 255}, + {&_tick_counter, SLE_UINT16, 0, 255}, + {&_vehicle_id_ctr_day, SLE_UINT16, 0, 255}, + {&_age_cargo_skip_counter, SLE_UINT8, 0, 255}, + {&_avail_aircraft, SLE_UINT8, 0, 255}, + {&_cur_tileloop_tile, SLE_UINT16, 0, 255}, + {&_disaster_delay, SLE_UINT16, 0, 255}, + {&_station_tick_ctr, SLE_UINT16, 0, 255}, + {&_random_seed_1, SLE_UINT32, 0, 255}, + {&_random_seed_2, SLE_UINT32, 0, 255}, + {&_cur_town_ctr, SLE_UINT8, 0, 255}, + {&_cur_player_tick_index, SLE_FILE_U8 | SLE_VAR_UINT, 0, 255}, + {&_next_competitor_start, SLE_FILE_U16 | SLE_VAR_UINT, 0, 255}, + {&_trees_tick_ctr, SLE_UINT8, 0, 255}, + {&_pause, SLE_UINT8, 4, 255}, + {NULL,0} +}; + +// 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[] = { + {&_saved_scrollpos_x, SLE_FILE_I16 | SLE_VAR_INT, 0, 255}, + {&_saved_scrollpos_y, SLE_FILE_I16 | SLE_VAR_INT, 0, 255}, + {&_saved_scrollpos_zoom, SLE_UINT8, 0, 255}, + {NULL,0} +}; + +static void SaveLoad_VIEW() +{ + SlGlobList(_view_desc); +} + +static void SaveLoad_MAPT() { + SlArray(_map_type_and_height, lengthof(_map_type_and_height), SLE_UINT8); +} + +static void SaveLoad_MAP2() { + SlArray(_map2, lengthof(_map2), SLE_UINT8); +} + +static void SaveLoad_M3LO() { + SlArray(_map3_lo, lengthof(_map3_lo), SLE_UINT8); +} + +static void SaveLoad_M3HI() { + SlArray(_map3_hi, lengthof(_map3_hi), SLE_UINT8); +} + +static void SaveLoad_MAPO() { + SlArray(_map_owner, lengthof(_map_owner), SLE_UINT8); +} + +static void SaveLoad_MAP5() { + SlArray(_map5, lengthof(_map5), SLE_UINT8); +} + +static void SaveLoad_MAPE() { + SlArray(_map_extra_bits, lengthof(_map_extra_bits), 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; + for(; count; count--, cht++) + { + cht->been_used = (byte)SlReadByte(); + cht->value = (byte)SlReadByte(); + } +} + + +const ChunkHandler _misc_chunk_handlers[] = { + { 'MAPT', SaveLoad_MAPT, SaveLoad_MAPT, CH_RIFF }, + { 'MAP2', SaveLoad_MAP2, SaveLoad_MAP2, CH_RIFF }, + { 'M3LO', SaveLoad_M3LO, SaveLoad_M3LO, CH_RIFF }, + { 'M3HI', SaveLoad_M3HI, SaveLoad_M3HI, CH_RIFF }, + { 'MAPO', SaveLoad_MAPO, SaveLoad_MAPO, CH_RIFF }, + { 'MAP5', SaveLoad_MAP5, SaveLoad_MAP5, CH_RIFF }, + { 'MAPE', SaveLoad_MAPE, SaveLoad_MAPE, CH_RIFF }, + + { 'NAME', Save_NAME, Load_NAME, CH_ARRAY}, + { 'DATE', SaveLoad_DATE, SaveLoad_DATE, CH_RIFF}, + { 'VIEW', SaveLoad_VIEW, SaveLoad_VIEW, CH_RIFF}, + { 'OPTS', SaveLoad_OPTS, SaveLoad_OPTS, CH_RIFF}, + { 'CHTS', Save_CHTS, Load_CHTS, CH_RIFF | CH_LAST} +}; |