mirror of https://github.com/OpenTTD/OpenTTD.git
381 lines
9.9 KiB
C++
381 lines
9.9 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file map_sl.cpp Code handling saving and loading of map */
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#include "../stdafx.h"
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#include "saveload.h"
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#include "compat/map_sl_compat.h"
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#include "../map_func.h"
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#include "../core/bitmath_func.hpp"
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#include "../fios.h"
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#include "../safeguards.h"
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static uint32_t _map_dim_x;
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static uint32_t _map_dim_y;
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static const SaveLoad _map_desc[] = {
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SLEG_CONDVAR("dim_x", _map_dim_x, SLE_UINT32, SLV_6, SL_MAX_VERSION),
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SLEG_CONDVAR("dim_y", _map_dim_y, SLE_UINT32, SLV_6, SL_MAX_VERSION),
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};
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struct MAPSChunkHandler : ChunkHandler {
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MAPSChunkHandler() : ChunkHandler('MAPS', CH_TABLE) {}
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void Save() const override
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{
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SlTableHeader(_map_desc);
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_map_dim_x = Map::SizeX();
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_map_dim_y = Map::SizeY();
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SlSetArrayIndex(0);
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SlGlobList(_map_desc);
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}
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void Load() const override
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_map_desc, _map_sl_compat);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
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SlGlobList(slt);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many MAPS entries");
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Map::Allocate(_map_dim_x, _map_dim_y);
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}
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void LoadCheck(size_t) const override
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{
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const std::vector<SaveLoad> slt = SlCompatTableHeader(_map_desc, _map_sl_compat);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
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SlGlobList(slt);
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if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many MAPS entries");
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_load_check_data.map_size_x = _map_dim_x;
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_load_check_data.map_size_y = _map_dim_y;
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}
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};
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static const uint MAP_SL_BUF_SIZE = 4096;
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struct MAPTChunkHandler : ChunkHandler {
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MAPTChunkHandler() : ChunkHandler('MAPT', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).type() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).type();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAPHChunkHandler : ChunkHandler {
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MAPHChunkHandler() : ChunkHandler('MAPH', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).height() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).height();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAPOChunkHandler : ChunkHandler {
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MAPOChunkHandler() : ChunkHandler('MAPO', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m1() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m1();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAP2ChunkHandler : ChunkHandler {
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MAP2ChunkHandler() : ChunkHandler('MAP2', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint16_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE,
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/* In those versions the m2 was 8 bits */
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IsSavegameVersionBefore(SLV_5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
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);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m2() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint16_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(static_cast<uint32_t>(size) * sizeof(uint16_t));
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m2();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
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}
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}
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};
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struct M3LOChunkHandler : ChunkHandler {
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M3LOChunkHandler() : ChunkHandler('M3LO', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m3() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m3();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct M3HIChunkHandler : ChunkHandler {
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M3HIChunkHandler() : ChunkHandler('M3HI', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m4() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m4();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAP5ChunkHandler : ChunkHandler {
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MAP5ChunkHandler() : ChunkHandler('MAP5', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m5() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m5();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAPEChunkHandler : ChunkHandler {
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MAPEChunkHandler() : ChunkHandler('MAPE', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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if (IsSavegameVersionBefore(SLV_42)) {
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for (TileIndex i = 0; i != size;) {
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/* 1024, otherwise we overflow on 64x64 maps! */
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SlCopy(buf.data(), 1024, SLE_UINT8);
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for (uint j = 0; j != 1024; j++) {
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Tile(i++).m6() = GB(buf[j], 0, 2);
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Tile(i++).m6() = GB(buf[j], 2, 2);
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Tile(i++).m6() = GB(buf[j], 4, 2);
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Tile(i++).m6() = GB(buf[j], 6, 2);
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}
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}
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} else {
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m6() = buf[j];
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}
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m6();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAP7ChunkHandler : ChunkHandler {
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MAP7ChunkHandler() : ChunkHandler('MAP7', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m7() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint8_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(size);
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m7();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
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}
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}
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};
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struct MAP8ChunkHandler : ChunkHandler {
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MAP8ChunkHandler() : ChunkHandler('MAP8', CH_RIFF) {}
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void Load() const override
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{
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std::array<uint16_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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for (TileIndex i = 0; i != size;) {
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m8() = buf[j];
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}
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}
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void Save() const override
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{
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std::array<uint16_t, MAP_SL_BUF_SIZE> buf;
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uint size = Map::Size();
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SlSetLength(static_cast<uint32_t>(size) * sizeof(uint16_t));
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for (TileIndex i = 0; i != size;) {
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for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m8();
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SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
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}
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}
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};
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static const MAPSChunkHandler MAPS;
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static const MAPTChunkHandler MAPT;
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static const MAPHChunkHandler MAPH;
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static const MAPOChunkHandler MAPO;
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static const MAP2ChunkHandler MAP2;
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static const M3LOChunkHandler M3LO;
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static const M3HIChunkHandler M3HI;
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static const MAP5ChunkHandler MAP5;
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static const MAPEChunkHandler MAPE;
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static const MAP7ChunkHandler MAP7;
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static const MAP8ChunkHandler MAP8;
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static const ChunkHandlerRef map_chunk_handlers[] = {
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MAPS,
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MAPT,
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MAPH,
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MAPO,
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MAP2,
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M3LO,
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M3HI,
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MAP5,
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MAPE,
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MAP7,
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MAP8,
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};
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extern const ChunkHandlerTable _map_chunk_handlers(map_chunk_handlers);
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