/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2. * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file map_sl.cpp Code handling saving and loading of map */ #include "../stdafx.h" #include "../map_func.h" #include "../core/bitmath_func.hpp" #include "../fios.h" #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); } static void Check_MAPS() { SlGlobList(_map_dimensions); _load_check_data.map_size_x = _map_dim_x; _load_check_data.map_size_y = _map_dim_y; } static const uint MAP_SL_BUF_SIZE = 4096; static void Load_MAPT() { SmallStackSafeStackAlloc<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<uint16, MAP_SL_BUF_SIZE> buf; TileIndex size = MapSize(); for (TileIndex i = 0; i != size;) { SlArray(buf, MAP_SL_BUF_SIZE, /* In those versions the m2 was 8 bits */ IsSavegameVersionBefore(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<uint16, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> buf; TileIndex size = MapSize(); if (IsSavegameVersionBefore(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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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<byte, MAP_SL_BUF_SIZE> 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, NULL, Check_MAPS, CH_RIFF }, { 'MAPT', Save_MAPT, Load_MAPT, NULL, NULL, CH_RIFF }, { 'MAPO', Save_MAP1, Load_MAP1, NULL, NULL, CH_RIFF }, { 'MAP2', Save_MAP2, Load_MAP2, NULL, NULL, CH_RIFF }, { 'M3LO', Save_MAP3, Load_MAP3, NULL, NULL, CH_RIFF }, { 'M3HI', Save_MAP4, Load_MAP4, NULL, NULL, CH_RIFF }, { 'MAP5', Save_MAP5, Load_MAP5, NULL, NULL, CH_RIFF }, { 'MAPE', Save_MAP6, Load_MAP6, NULL, NULL, CH_RIFF }, { 'MAP7', Save_MAP7, Load_MAP7, NULL, NULL, CH_RIFF | CH_LAST }, };