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Location: cpp/openttd-patchpack/source/src/saveload/map_sl.cpp
r27443:1150c64644d0
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Fix: Check max member count in squirrel classes (#10883)
Manual cherry-pick from https://github.com/albertodemichelis/squirrel/commit/23a0620658714b996d20da3d4dd1a0dcf9b0bd98
Manual cherry-pick from https://github.com/albertodemichelis/squirrel/commit/23a0620658714b996d20da3d4dd1a0dcf9b0bd98
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* 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 "saveload.h"
#include "compat/map_sl_compat.h"
#include "../map_func.h"
#include "../core/bitmath_func.hpp"
#include "../fios.h"
#include "../safeguards.h"
static uint32 _map_dim_x;
static uint32 _map_dim_y;
static const SaveLoad _map_desc[] = {
SLEG_CONDVAR("dim_x", _map_dim_x, SLE_UINT32, SLV_6, SL_MAX_VERSION),
SLEG_CONDVAR("dim_y", _map_dim_y, SLE_UINT32, SLV_6, SL_MAX_VERSION),
};
struct MAPSChunkHandler : ChunkHandler {
MAPSChunkHandler() : ChunkHandler('MAPS', CH_TABLE) {}
void Save() const override
{
SlTableHeader(_map_desc);
_map_dim_x = Map::SizeX();
_map_dim_y = Map::SizeY();
SlSetArrayIndex(0);
SlGlobList(_map_desc);
}
void Load() const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_map_desc, _map_sl_compat);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
SlGlobList(slt);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many MAPS entries");
Map::Allocate(_map_dim_x, _map_dim_y);
}
void LoadCheck(size_t) const override
{
const std::vector<SaveLoad> slt = SlCompatTableHeader(_map_desc, _map_sl_compat);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() == -1) return;
SlGlobList(slt);
if (!IsSavegameVersionBefore(SLV_RIFF_TO_ARRAY) && SlIterateArray() != -1) SlErrorCorrupt("Too many MAPS entries");
_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;
struct MAPTChunkHandler : ChunkHandler {
MAPTChunkHandler() : ChunkHandler('MAPT', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).type() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).type();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAPHChunkHandler : ChunkHandler {
MAPHChunkHandler() : ChunkHandler('MAPH', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).height() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).height();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAPOChunkHandler : ChunkHandler {
MAPOChunkHandler() : ChunkHandler('MAPO', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m1() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m1();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAP2ChunkHandler : ChunkHandler {
MAP2ChunkHandler() : ChunkHandler('MAP2', CH_RIFF) {}
void Load() const override
{
std::array<uint16, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE,
/* In those versions the m2 was 8 bits */
IsSavegameVersionBefore(SLV_5) ? SLE_FILE_U8 | SLE_VAR_U16 : SLE_UINT16
);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m2() = buf[j];
}
}
void Save() const override
{
std::array<uint16, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size * sizeof(uint16));
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m2();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
}
}
};
struct M3LOChunkHandler : ChunkHandler {
M3LOChunkHandler() : ChunkHandler('M3LO', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m3() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m3();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct M3HIChunkHandler : ChunkHandler {
M3HIChunkHandler() : ChunkHandler('M3HI', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m4() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m4();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAP5ChunkHandler : ChunkHandler {
MAP5ChunkHandler() : ChunkHandler('MAP5', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m5() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m5();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAPEChunkHandler : ChunkHandler {
MAPEChunkHandler() : ChunkHandler('MAPE', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
if (IsSavegameVersionBefore(SLV_42)) {
for (TileIndex i = 0; i != size;) {
/* 1024, otherwise we overflow on 64x64 maps! */
SlCopy(buf.data(), 1024, SLE_UINT8);
for (uint j = 0; j != 1024; j++) {
Tile(i++).m6() = GB(buf[j], 0, 2);
Tile(i++).m6() = GB(buf[j], 2, 2);
Tile(i++).m6() = GB(buf[j], 4, 2);
Tile(i++).m6() = GB(buf[j], 6, 2);
}
}
} else {
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m6() = buf[j];
}
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m6();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAP7ChunkHandler : ChunkHandler {
MAP7ChunkHandler() : ChunkHandler('MAP7', CH_RIFF) {}
void Load() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m7() = buf[j];
}
}
void Save() const override
{
std::array<byte, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size);
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m7();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT8);
}
}
};
struct MAP8ChunkHandler : ChunkHandler {
MAP8ChunkHandler() : ChunkHandler('MAP8', CH_RIFF) {}
void Load() const override
{
std::array<uint16, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
for (TileIndex i = 0; i != size;) {
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) Tile(i++).m8() = buf[j];
}
}
void Save() const override
{
std::array<uint16, MAP_SL_BUF_SIZE> buf;
TileIndex size = Map::Size();
SlSetLength(size * sizeof(uint16));
for (TileIndex i = 0; i != size;) {
for (uint j = 0; j != MAP_SL_BUF_SIZE; j++) buf[j] = Tile(i++).m8();
SlCopy(buf.data(), MAP_SL_BUF_SIZE, SLE_UINT16);
}
}
};
static const MAPSChunkHandler MAPS;
static const MAPTChunkHandler MAPT;
static const MAPHChunkHandler MAPH;
static const MAPOChunkHandler MAPO;
static const MAP2ChunkHandler MAP2;
static const M3LOChunkHandler M3LO;
static const M3HIChunkHandler M3HI;
static const MAP5ChunkHandler MAP5;
static const MAPEChunkHandler MAPE;
static const MAP7ChunkHandler MAP7;
static const MAP8ChunkHandler MAP8;
static const ChunkHandlerRef map_chunk_handlers[] = {
MAPS,
MAPT,
MAPH,
MAPO,
MAP2,
M3LO,
M3HI,
MAP5,
MAPE,
MAP7,
MAP8,
};
extern const ChunkHandlerTable _map_chunk_handlers(map_chunk_handlers);
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