diff --git a/src/saveload/map_sl.cpp b/src/saveload/map_sl.cpp new file mode 100644 --- /dev/null +++ b/src/saveload/map_sl.cpp @@ -0,0 +1,249 @@ +/* $Id$ */ + +/** @file map_sl.cpp Code handling saving and loading of map */ + +#include "../stdafx.h" +#include "../tile_type.h" +#include "../map_func.h" +#include "../core/alloc_type.hpp" +#include "../core/bitmath_func.hpp" + +#include "saveload.h" + +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); +} + +enum { + MAP_SL_BUF_SIZE = 4096 +}; + +static void Load_MAPT() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].type_height = buf[j]; + } +} + +static void Save_MAPT() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].type_height; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP1() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m1 = buf[j]; + } +} + +static void Save_MAP1() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m1; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP2() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, + /* In those versions the m2 was 8 bits */ + CheckSavegameVersion(5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16 + ); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m2 = buf[j]; + } +} + +static void Save_MAP2() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size * sizeof(uint16)); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m2; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT16); + } +} + +static void Load_MAP3() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m3 = buf[j]; + } +} + +static void Save_MAP3() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m3; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP4() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m4 = buf[j]; + } +} + +static void Save_MAP4() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m4; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP5() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m5 = buf[j]; + } +} + +static void Save_MAP5() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m5; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP6() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + if (CheckSavegameVersion(42)) { + for (TileIndex i = 0; i != size;) { + /* 1024, otherwise we overflow on 64x64 maps! */ + SlArray(buf, 1024, SLE_UINT8); + for (uint j = 0; j != 1024; 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 (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _m[i++].m6 = buf[j]; + } + } +} + +static void Save_MAP6() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _m[i++].m6; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +static void Load_MAP7() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + for (TileIndex i = 0; i != size;) { + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) _me[i++].m7 = buf[j]; + } +} + +static void Save_MAP7() +{ + SmallStackSafeStackAlloc buf; + TileIndex size = MapSize(); + + SlSetLength(size); + for (TileIndex i = 0; i != size;) { + for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = _me[i++].m7; + SlArray(buf, MAP_SL_BUF_SIZE, SLE_UINT8); + } +} + +extern const ChunkHandler _map_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 }, +};