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/* $Id$ */
/*
* 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"
#include "../safeguards.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 },
};
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