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GameSave.cpp
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GameSave.cpp
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#include "GameSave.h"
#include "bzip2/bz2wrap.h"
#include "Format.h"
#include "simulation/Simulation.h"
#include "simulation/ElementClasses.h"
#include "simulation/elements/PIPE.h"
#include "common/tpt-compat.h"
#include "bson/BSON.h"
#include "graphics/Renderer.h"
#include "Config.h"
#include <iostream>
#include <cmath>
#include <climits>
#include <memory>
#include <set>
#include <cmath>
#include <algorithm>
constexpr auto currentVersion = UPSTREAM_VERSION.displayVersion;
constexpr auto nextVersion = Version(98, 0);
constexpr auto effectiveVersion = ALLOW_FAKE_NEWER_VERSION ? nextVersion : currentVersion;
static void ConvertJsonToBson(bson *b, Json::Value j, int depth = 0);
static void ConvertBsonToJson(bson_iterator *b, Json::Value *j, int depth = 0);
static void CheckBsonFieldUser(bson_iterator iter, const char *field, unsigned char **data, unsigned int *fieldLen);
static void CheckBsonFieldBool(bson_iterator iter, const char *field, bool *flag);
static void CheckBsonFieldInt(bson_iterator iter, const char *field, int *setting);
static void CheckBsonFieldLong(bson_iterator iter, const char *field, int64_t *setting);
static void CheckBsonFieldFloat(bson_iterator iter, const char *field, float *setting);
GameSave::GameSave(Vec2<int> newBlockSize)
{
setSize(newBlockSize);
}
GameSave::GameSave(const std::vector<char> &data, bool newWantAuthors)
{
wantAuthors = newWantAuthors;
try
{
Expand(data);
}
catch(ParseException & e)
{
std::cout << e.what() << std::endl;
throw;
}
}
void GameSave::MapPalette()
{
int partMap[PT_NUM];
bool ignoreMissingErrors[PT_NUM];
for(int i = 0; i < PT_NUM; i++)
{
partMap[i] = i;
ignoreMissingErrors[i] = false;
}
if (version <= Version(98, 2))
{
ignoreMissingErrors[PT_ICEI] = true;
ignoreMissingErrors[PT_SNOW] = true;
ignoreMissingErrors[PT_RSST] = true;
ignoreMissingErrors[PT_RSSS] = true;
}
auto &sd = SimulationData::CRef();
auto &elements = sd.elements;
if(palette.size())
{
if (version >= Version(98, 0))
{
for(int i = 0; i < PT_NUM; i++)
{
partMap[i] = 0;
}
}
for(auto &pi : palette)
{
if (pi.second > 0 && pi.second < PT_NUM)
{
int myId = 0;
for (int i = 0; i < PT_NUM; i++)
{
if (elements[i].Enabled && elements[i].Identifier == pi.first)
{
myId = i;
}
}
if (myId)
{
partMap[pi.second] = myId;
}
else
{
missingElements.identifiers.insert(pi);
}
}
}
}
auto paletteLookup = [this, &partMap](int type, bool ignoreMissingErrors) {
if (type > 0 && type < PT_NUM)
{
auto carriedType = partMap[type];
if (!carriedType) // type is not 0 so this shouldn't be 0 either
{
if (ignoreMissingErrors)
return type;
missingElements.ids.insert(type);
}
type = carriedType;
}
return type;
};
unsigned int pmapmask = (1<<pmapbits)-1;
auto &possiblyCarriesType = Particle::PossiblyCarriesType();
auto &properties = Particle::GetProperties();
for (int n = 0; n < NPART && n < particlesCount; n++)
{
Particle &tempPart = particles[n];
if (tempPart.type <= 0 || tempPart.type >= PT_NUM)
{
continue;
}
tempPart.type = paletteLookup(tempPart.type, false);
for (auto index : possiblyCarriesType)
{
if (elements[tempPart.type].CarriesTypeIn & (1U << index))
{
auto *prop = reinterpret_cast<int *>(reinterpret_cast<char *>(&tempPart) + properties[index].Offset);
auto carriedType = *prop & int(pmapmask);
auto extra = *prop >> pmapbits;
carriedType = paletteLookup(carriedType, ignoreMissingErrors[tempPart.type]);
*prop = PMAP(extra, carriedType);
}
}
}
}
void GameSave::Expand(const std::vector<char> &data)
{
try
{
if(data.size() > 15)
{
if ((data[0]==0x66 && data[1]==0x75 && data[2]==0x43) || (data[0]==0x50 && data[1]==0x53 && data[2]==0x76))
{
readPSv(data);
}
else if(data[0] == 'O' && data[1] == 'P' && data[2] == 'S')
{
if (data[3] != '1')
throw ParseException(ParseException::WrongVersion, "Save format from newer version");
readOPS(data);
}
else
{
std::cerr << "Got Magic number '" << data[0] << data[1] << data[2] << "'" << std::endl;
throw ParseException(ParseException::Corrupt, "Invalid save format");
}
MapPalette();
}
else
{
throw ParseException(ParseException::Corrupt, "No data");
}
}
catch (const std::bad_alloc &)
{
throw ParseException(ParseException::Corrupt, "Cannot allocate memory");
}
}
void GameSave::setSize(Vec2<int> newBlockSize)
{
blockSize = newBlockSize;
particlesCount = 0;
particles = std::vector<Particle>(NPART);
blockMap = PlaneAdapter<std::vector<unsigned char>>(blockSize, 0);
fanVelX = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
fanVelY = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
pressure = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
velocityX = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
velocityY = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
ambientHeat = PlaneAdapter<std::vector<float>>(blockSize, 0.0f);
blockAir = PlaneAdapter<std::vector<unsigned char>>(blockSize, 0);
blockAirh = PlaneAdapter<std::vector<unsigned char>>(blockSize, 0);
}
std::pair<bool, std::vector<char>> GameSave::Serialise() const
{
try
{
return serialiseOPS();
}
catch (const std::bad_alloc &)
{
std::cout << "Save error, out of memory" << std::endl;
}
catch (BuildException & e)
{
std::cout << e.what() << std::endl;
}
return { false, {} };
}
void GameSave::Transform(Mat2<int> transform, Vec2<int> nudge)
{
// undo translation by rotation
auto br = transform * (blockSize * CELL - Vec2{ 1, 1 });
auto bbr = transform * (blockSize - Vec2{ 1, 1 });
auto translate = Vec2{ std::max(0, -br.X), std::max(0, -br.Y) };
auto btranslate = Vec2{ std::max(0, -bbr.X), std::max(0, -bbr.Y) };
auto newBlockS = transform * blockSize;
newBlockS.X = std::abs(newBlockS.X);
newBlockS.Y = std::abs(newBlockS.Y);
translate += nudge;
// Grow as needed.
assert((Vec2{ CELL, CELL }.OriginRect().Contains(nudge)));
if (nudge.X) newBlockS.X += 1;
if (nudge.Y) newBlockS.Y += 1;
// TODO: allow transforms to yield bigger saves. For this we'd need SaveRenderer (the singleton, not Renderer)
// to fully render them (possible with stitching) and Simulation::Load to be able to take only the part that fits.
newBlockS = newBlockS.Clamp(RectBetween({ 0, 0 }, CELLS));
auto newPartS = newBlockS * CELL;
// Prepare to patch pipes.
std::array<int, 8> pipeOffsetMap;
{
std::transform(Element_PIPE_offsets.begin(), Element_PIPE_offsets.end(), pipeOffsetMap.begin(), [transform](auto offset) {
auto it = std::find(Element_PIPE_offsets.begin(), Element_PIPE_offsets.end(), transform * offset);
assert(it != Element_PIPE_offsets.end());
return int(it - Element_PIPE_offsets.begin());
});
}
// Translate signs.
for (auto i = 0U; i < signs.size(); i++)
{
auto newPos = transform * Vec2{ signs[i].x, signs[i].y } + translate;
if (!newPartS.OriginRect().Contains(newPos))
{
signs[i].text.clear();
continue;
}
signs[i].x = newPos.X;
signs[i].y = newPos.Y;
}
// Translate particles.
for (int i = 0; i < particlesCount; i++)
{
if (!particles[i].type)
{
continue;
}
{
// * We want particles to retain their distance from the centre of the particle grid cell
// they are in, but more importantly we also don't want them to change grid cells,
// so we just get rid of the edge cases.
constexpr auto threshold = 0.001f;
auto boundaryDiffX = particles[i].x - (floor(particles[i].x) + 0.5f);
if (fabs(boundaryDiffX) < threshold)
{
particles[i].x += copysign(threshold, boundaryDiffX);
}
auto boundaryDiffY = particles[i].y - (floor(particles[i].y) + 0.5f);
if (fabs(boundaryDiffY) < threshold)
{
particles[i].y += copysign(threshold, boundaryDiffY);
}
}
if (particles[i].x - floor(particles[i].x) == 0.5f) particles[i].x += 0.001f;
if (particles[i].y - floor(particles[i].y) == 0.5f) particles[i].y += 0.001f;
auto newPos = transform * Vec2{ particles[i].x, particles[i].y } + translate;
if (!newPartS.OriginRect().Contains(Vec2{ int(floor(newPos.X + 0.5f)), int(floor(newPos.Y + 0.5f)) }))
{
particles[i].type = PT_NONE;
continue;
}
particles[i].x = newPos.X;
particles[i].y = newPos.Y;
auto newVel = transform * Vec2{ particles[i].vx, particles[i].vy };
particles[i].vx = newVel.X;
particles[i].vy = newVel.Y;
if (particles[i].type == PT_PIPE || particles[i].type == PT_PPIP)
{
Element_PIPE_transformPatchOffsets(particles[i], pipeOffsetMap);
}
}
// Translate blocky stuff.
PlaneAdapter<std::vector<unsigned char>> newBlockMap(newBlockS, 0);
PlaneAdapter<std::vector<float>> newFanVelX(newBlockS, 0.0f);
PlaneAdapter<std::vector<float>> newFanVelY(newBlockS, 0.0f);
PlaneAdapter<std::vector<float>> newPressure(newBlockS, 0.0f);
PlaneAdapter<std::vector<float>> newVelocityX(newBlockS, 0.0f);
PlaneAdapter<std::vector<float>> newVelocityY(newBlockS, 0.0f);
PlaneAdapter<std::vector<float>> newAmbientHeat(newBlockS, 0.0f);
PlaneAdapter<std::vector<unsigned char>> newBlockAir(newBlockS, 0);
PlaneAdapter<std::vector<unsigned char>> newBlockAirh(newBlockS, 0);
for (auto bpos : blockSize.OriginRect())
{
auto newBpos = transform * bpos + btranslate;
if (!newBlockS.OriginRect().Contains(newBpos))
{
continue;
}
if (blockMap[bpos])
{
newBlockMap[newBpos] = blockMap[bpos];
if (blockMap[bpos] == WL_FAN)
{
auto newVel = transform * Vec2{ fanVelX[bpos], fanVelY[bpos] };
newFanVelX[newBpos] = newVel.X;
newFanVelY[newBpos] = newVel.Y;
}
}
newPressure[newBpos] = pressure[bpos];
newVelocityX[newBpos] = velocityX[bpos];
newVelocityY[newBpos] = velocityY[bpos];
newAmbientHeat[newBpos] = ambientHeat[bpos];
newBlockAir[newBpos] = blockAir[bpos];
newBlockAirh[newBpos] = blockAirh[bpos];
}
blockMap = std::move(newBlockMap);
fanVelX = std::move(newFanVelX);
fanVelY = std::move(newFanVelY);
pressure = std::move(newPressure);
velocityX = std::move(newVelocityX);
velocityY = std::move(newVelocityY);
ambientHeat = std::move(newAmbientHeat);
blockAir = std::move(newBlockAir);
blockAirh = std::move(newBlockAirh);
blockSize = newBlockS;
}
static void CheckBsonFieldUser(bson_iterator iter, const char *field, unsigned char **data, unsigned int *fieldLen)
{
if (!strcmp(bson_iterator_key(&iter), field))
{
if (bson_iterator_type(&iter)==BSON_BINDATA && ((unsigned char)bson_iterator_bin_type(&iter))==BSON_BIN_USER && (*fieldLen = bson_iterator_bin_len(&iter)) > 0)
{
*data = (unsigned char*)bson_iterator_bin_data(&iter);
}
else
{
fprintf(stderr, "Invalid datatype for %s: %d[%d] %d[%d] %d[%d]\n", field, bson_iterator_type(&iter), bson_iterator_type(&iter)==BSON_BINDATA, (unsigned char)bson_iterator_bin_type(&iter), ((unsigned char)bson_iterator_bin_type(&iter))==BSON_BIN_USER, bson_iterator_bin_len(&iter), bson_iterator_bin_len(&iter)>0);
}
}
}
static void CheckBsonFieldBool(bson_iterator iter, const char *field, bool *flag)
{
if (!strcmp(bson_iterator_key(&iter), field))
{
if (bson_iterator_type(&iter) == BSON_BOOL)
{
*flag = bson_iterator_bool(&iter);
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
static void CheckBsonFieldInt(bson_iterator iter, const char *field, int *setting)
{
if (!strcmp(bson_iterator_key(&iter), field))
{
if (bson_iterator_type(&iter) == BSON_INT)
{
*setting = bson_iterator_int(&iter);
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
static void CheckBsonFieldLong(bson_iterator iter, const char *field, int64_t *setting)
{
if (!strcmp(bson_iterator_key(&iter), field))
{
if (bson_iterator_type(&iter) == BSON_LONG)
{
*setting = bson_iterator_long(&iter);
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
static void CheckBsonFieldFloat(bson_iterator iter, const char *field, float *setting)
{
if (!strcmp(bson_iterator_key(&iter), field))
{
if (bson_iterator_type(&iter) == BSON_DOUBLE)
{
*setting = float(bson_iterator_double(&iter));
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
void GameSave::readOPS(const std::vector<char> &data)
{
auto &builtinGol = SimulationData::builtinGol;
Renderer::PopulateTables();
unsigned char *inputData = (unsigned char*)&data[0], *partsData = NULL, *partsPosData = NULL, *fanData = NULL, *wallData = NULL, *soapLinkData = NULL;
unsigned char *pressData = NULL, *vxData = NULL, *vyData = NULL, *ambientData = NULL, *blockAirData = nullptr;
unsigned int inputDataLen = data.size(), bsonDataLen = 0, partsDataLen, partsPosDataLen, fanDataLen, wallDataLen, soapLinkDataLen;
unsigned int pressDataLen, vxDataLen, vyDataLen, ambientDataLen, blockAirDataLen;
unsigned partsCount = 0;
unsigned int savedVersion = inputData[4];
version = { savedVersion, 0 };
bool fakeNewerVersion = false; // used for development builds only
bson b;
b.data = NULL;
auto bson_deleter = [](bson * b) { bson_destroy(b); };
// Use unique_ptr with a custom deleter to ensure that bson_destroy is called even when an exception is thrown
std::unique_ptr<bson, decltype(bson_deleter)> b_ptr(&b, bson_deleter);
//Block sizes
auto blockP = Vec2{ 0, 0 };
auto blockS = Vec2{ int(inputData[6]), int(inputData[7]) };
//Full size, normalised
auto partP = blockP * CELL;
auto partS = blockS * CELL;
//Incompatible cell size
if (inputData[5] != CELL)
throw ParseException(ParseException::InvalidDimensions, "Incorrect CELL size");
if (!RectBetween({ 0, 0 }, CELLS).Contains(blockS))
throw ParseException(ParseException::InvalidDimensions, "Save is of invalid size");
//Too large/off screen
if (!RectBetween({ 0, 0 }, CELLS).Contains(blockP + blockS))
throw ParseException(ParseException::InvalidDimensions, "Save extends beyond canvas");
setSize(blockS);
bsonDataLen = ((unsigned)inputData[8]);
bsonDataLen |= ((unsigned)inputData[9]) << 8;
bsonDataLen |= ((unsigned)inputData[10]) << 16;
bsonDataLen |= ((unsigned)inputData[11]) << 24;
//Check for overflows, don't load saves larger than 200MB
unsigned int toAlloc = bsonDataLen;
if (toAlloc > 209715200 || !toAlloc)
throw ParseException(ParseException::InvalidDimensions, "Save data too large, refusing");
{
std::vector<char> bsonData;
switch (auto status = BZ2WDecompress(bsonData, (char *)(inputData + 12), inputDataLen - 12, toAlloc))
{
case BZ2WDecompressOk: break;
case BZ2WDecompressNomem: throw ParseException(ParseException::Corrupt, "Cannot allocate memory");
default: throw ParseException(ParseException::Corrupt, String::Build("Cannot decompress: status ", int(status)));
}
bsonDataLen = bsonData.size();
//Make sure bsonData is null terminated, since all string functions need null terminated strings
//(bson_iterator_key returns a pointer into bsonData, which is then used with strcmp)
bsonData.push_back(0);
// apparently bson_* takes ownership of the data passed into it?????????
auto *pleaseFixMe = (char *)malloc(bsonData.size());
std::copy(bsonData.begin(), bsonData.end(), pleaseFixMe);
bson_init_data_size(&b, pleaseFixMe, bsonDataLen);
}
set_bson_err_handler([](const char* err) { throw ParseException(ParseException::Corrupt, "BSON error when parsing save: " + ByteString(err).FromUtf8()); });
std::vector<sign> tempSigns;
{
// find origin first so version is accurate by the time checks against it are made
bson_iterator iter;
bson_iterator_init(&iter, &b);
while (bson_iterator_next(&iter))
{
if (!strcmp(bson_iterator_key(&iter), "origin"))
{
if (bson_iterator_type(&iter) == BSON_OBJECT)
{
bson_iterator subiter;
bson_iterator_subiterator(&iter, &subiter);
while (bson_iterator_next(&subiter))
{
if (bson_iterator_type(&subiter) == BSON_INT)
{
if (!strcmp(bson_iterator_key(&subiter), "minorVersion"))
{
version[1] = bson_iterator_int(&subiter);
}
}
}
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
}
fromNewerVersion = version > currentVersion;
bson_iterator iter;
bson_iterator_init(&iter, &b);
while (bson_iterator_next(&iter))
{
CheckBsonFieldUser(iter, "parts", &partsData, &partsDataLen);
CheckBsonFieldUser(iter, "partsPos", &partsPosData, &partsPosDataLen);
CheckBsonFieldUser(iter, "wallMap", &wallData, &wallDataLen);
CheckBsonFieldUser(iter, "pressMap", &pressData, &pressDataLen);
CheckBsonFieldUser(iter, "vxMap", &vxData, &vxDataLen);
CheckBsonFieldUser(iter, "vyMap", &vyData, &vyDataLen);
CheckBsonFieldUser(iter, "ambientMap", &ambientData, &ambientDataLen);
CheckBsonFieldUser(iter, "blockAir", &blockAirData, &blockAirDataLen);
CheckBsonFieldUser(iter, "fanMap", &fanData, &fanDataLen);
CheckBsonFieldUser(iter, "soapLinks", &soapLinkData, &soapLinkDataLen);
CheckBsonFieldBool(iter, "legacyEnable", &legacyEnable);
CheckBsonFieldBool(iter, "gravityEnable", &gravityEnable);
CheckBsonFieldBool(iter, "aheat_enable", &aheatEnable);
CheckBsonFieldBool(iter, "waterEEnabled", &waterEEnabled);
CheckBsonFieldBool(iter, "paused", &paused);
CheckBsonFieldInt(iter, "gravityMode", &gravityMode);
CheckBsonFieldFloat(iter, "customGravityX", &customGravityX);
CheckBsonFieldFloat(iter, "customGravityY", &customGravityY);
CheckBsonFieldInt(iter, "airMode", &airMode);
CheckBsonFieldFloat(iter, "ambientAirTemp", &ambientAirTemp);
CheckBsonFieldInt(iter, "edgeMode", &edgeMode);
CheckBsonFieldInt(iter, "pmapbits", &pmapbits);
CheckBsonFieldBool(iter, "ensureDeterminism", &ensureDeterminism);
CheckBsonFieldLong(iter, "frameCount", reinterpret_cast<int64_t *>(&frameCount));
CheckBsonFieldLong(iter, "rngState0", reinterpret_cast<int64_t *>(&rngState[0]));
CheckBsonFieldLong(iter, "rngState1", reinterpret_cast<int64_t *>(&rngState[1]));
if (!strcmp(bson_iterator_key(&iter), "rngState"))
{
if (bson_iterator_type(&iter) == BSON_BINDATA && ((unsigned char)bson_iterator_bin_type(&iter)) == BSON_BIN_USER && bson_iterator_bin_len(&iter) == sizeof(rngState))
{
memcpy(&rngState, bson_iterator_bin_data(&iter), sizeof(rngState));
hasRngState = true;
}
else
{
fprintf(stderr, "Invalid datatype for rngState: %d[%d] %d[%d] %d[%d]\n", bson_iterator_type(&iter), bson_iterator_type(&iter)==BSON_BINDATA, (unsigned char)bson_iterator_bin_type(&iter), ((unsigned char)bson_iterator_bin_type(&iter))==BSON_BIN_USER, bson_iterator_bin_len(&iter), bson_iterator_bin_len(&iter)>0);
}
}
else if (!strcmp(bson_iterator_key(&iter), "signs"))
{
if (bson_iterator_type(&iter)==BSON_ARRAY)
{
bson_iterator subiter;
bson_iterator_subiterator(&iter, &subiter);
while (bson_iterator_next(&subiter))
{
if (!strcmp(bson_iterator_key(&subiter), "sign"))
{
if (bson_iterator_type(&subiter) == BSON_OBJECT)
{
bson_iterator signiter;
bson_iterator_subiterator(&subiter, &signiter);
sign tempSign("", 0, 0, sign::Left);
while (bson_iterator_next(&signiter))
{
if (!strcmp(bson_iterator_key(&signiter), "text") && bson_iterator_type(&signiter) == BSON_STRING)
{
tempSign.text = format::CleanString(ByteString(bson_iterator_string(&signiter)).FromUtf8(), true, true, true).Substr(0, 45);
if (version < Version(94, 2))
{
if (tempSign.text == "{t}")
{
tempSign.text = "Temp: {t}";
}
else if (tempSign.text == "{p}")
{
tempSign.text = "Pressure: {p}";
}
}
}
else if (!strcmp(bson_iterator_key(&signiter), "justification") && bson_iterator_type(&signiter) == BSON_INT)
{
tempSign.ju = (sign::Justification)bson_iterator_int(&signiter);
}
else if (!strcmp(bson_iterator_key(&signiter), "x") && bson_iterator_type(&signiter) == BSON_INT)
{
tempSign.x = bson_iterator_int(&signiter)+partP.X;
}
else if (!strcmp(bson_iterator_key(&signiter), "y") && bson_iterator_type(&signiter) == BSON_INT)
{
tempSign.y = bson_iterator_int(&signiter)+partP.Y;
}
else
{
fprintf(stderr, "Unknown sign property %s\n", bson_iterator_key(&signiter));
}
}
tempSigns.push_back(tempSign);
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&subiter));
}
}
}
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
else if (!strcmp(bson_iterator_key(&iter), "stkm"))
{
if (bson_iterator_type(&iter) == BSON_OBJECT)
{
bson_iterator stkmiter;
bson_iterator_subiterator(&iter, &stkmiter);
while (bson_iterator_next(&stkmiter))
{
CheckBsonFieldBool(stkmiter, "rocketBoots1", &stkm.rocketBoots1);
CheckBsonFieldBool(stkmiter, "rocketBoots2", &stkm.rocketBoots2);
CheckBsonFieldBool(stkmiter, "fan1", &stkm.fan1);
CheckBsonFieldBool(stkmiter, "fan2", &stkm.fan2);
if (!strcmp(bson_iterator_key(&stkmiter), "rocketBootsFigh") && bson_iterator_type(&stkmiter) == BSON_ARRAY)
{
bson_iterator fighiter;
bson_iterator_subiterator(&stkmiter, &fighiter);
while (bson_iterator_next(&fighiter))
{
if (bson_iterator_type(&fighiter) == BSON_INT)
stkm.rocketBootsFigh.push_back(bson_iterator_int(&fighiter));
}
}
else if (!strcmp(bson_iterator_key(&stkmiter), "fanFigh") && bson_iterator_type(&stkmiter) == BSON_ARRAY)
{
bson_iterator fighiter;
bson_iterator_subiterator(&stkmiter, &fighiter);
while (bson_iterator_next(&fighiter))
{
if (bson_iterator_type(&fighiter) == BSON_INT)
stkm.fanFigh.push_back(bson_iterator_int(&fighiter));
}
}
}
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
else if (!strcmp(bson_iterator_key(&iter), "palette"))
{
palette.clear();
if (bson_iterator_type(&iter) == BSON_ARRAY)
{
bson_iterator subiter;
bson_iterator_subiterator(&iter, &subiter);
while (bson_iterator_next(&subiter))
{
if (bson_iterator_type(&subiter) == BSON_INT)
{
ByteString id = bson_iterator_key(&subiter);
int num = bson_iterator_int(&subiter);
palette.push_back(PaletteItem(id, num));
}
}
}
}
else if (!strcmp(bson_iterator_key(&iter), "minimumVersion"))
{
if (bson_iterator_type(&iter) == BSON_OBJECT)
{
Version<2> minimumVersion;
{
int major = INT_MAX, minor = INT_MAX;
bson_iterator subiter;
bson_iterator_subiterator(&iter, &subiter);
while (bson_iterator_next(&subiter))
{
if (bson_iterator_type(&subiter) == BSON_INT)
{
if (!strcmp(bson_iterator_key(&subiter), "major"))
major = bson_iterator_int(&subiter);
else if (!strcmp(bson_iterator_key(&subiter), "minor"))
minor = bson_iterator_int(&subiter);
}
}
minimumVersion = Version(major, minor);
}
if (effectiveVersion < minimumVersion)
{
String errorMessage = String::Build("Save from a newer version: Requires version ", minimumVersion[0], ".", minimumVersion[1]);
throw ParseException(ParseException::WrongVersion, errorMessage);
}
else if (ALLOW_FAKE_NEWER_VERSION && currentVersion < minimumVersion)
{
fakeNewerVersion = true;
}
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
else if (wantAuthors && !strcmp(bson_iterator_key(&iter), "authors"))
{
if (bson_iterator_type(&iter) == BSON_OBJECT)
{
// we need to clear authors because the save may be read multiple times in the stamp browser (loading and rendering twice)
// seems inefficient ...
authors.clear();
ConvertBsonToJson(&iter, &authors);
}
else
{
fprintf(stderr, "Wrong type for %s\n", bson_iterator_key(&iter));
}
}
}
auto paletteRemap = [this](auto maxVersion, ByteString from, ByteString to) {
if (version <= maxVersion)
{
auto it = std::find_if(palette.begin(), palette.end(), [&from](auto &item) {
return item.first == from;
});
if (it != palette.end())
{
it->first = to;
}
}
};
paletteRemap(Version(87, 1), "DEFAULT_PT_TUGN", "DEFAULT_PT_TUNG");
paletteRemap(Version(90, 1), "DEFAULT_PT_REPL", "DEFAULT_PT_RPEL");
paletteRemap(Version(92, 0), "DEFAULT_PT_E180", "DEFAULT_PT_HEAC");
paletteRemap(Version(92, 0), "DEFAULT_PT_E181", "DEFAULT_PT_SAWD");
paletteRemap(Version(92, 0), "DEFAULT_PT_E182", "DEFAULT_PT_POLO");
paletteRemap(Version(93, 3), "DEFAULT_PT_RAYT", "DEFAULT_PT_LDTC");
//Read wall and fan data
if(wallData)
{
// TODO: use PlaneAdapter<std::span<unsigned char>> once we're C++20
auto wallDataPlane = PlaneAdapter<const std::basic_string_view<unsigned char>>(blockS, std::in_place, wallData, blockS.X * blockS.Y);
unsigned int j = 0;
if (blockS.X * blockS.Y > int(wallDataLen))
throw ParseException(ParseException::Corrupt, "Not enough wall data");
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
unsigned char bm = 0;
if (wallDataPlane[bpos])
bm = wallDataPlane[bpos];
switch (bm)
{
case O_WL_WALLELEC: bm = WL_WALLELEC; break;
case O_WL_EWALL: bm = WL_EWALL; break;
case O_WL_DETECT: bm = WL_DETECT; break;
case O_WL_STREAM: bm = WL_STREAM; break;
case O_WL_FAN:
case O_WL_FANHELPER: bm = WL_FAN; break;
case O_WL_ALLOWLIQUID: bm = WL_ALLOWLIQUID; break;
case O_WL_DESTROYALL: bm = WL_DESTROYALL; break;
case O_WL_ERASE: bm = WL_ERASE; break;
case O_WL_WALL: bm = WL_WALL; break;
case O_WL_ALLOWAIR: bm = WL_ALLOWAIR; break;
case O_WL_ALLOWSOLID: bm = WL_ALLOWPOWDER; break;
case O_WL_ALLOWALLELEC: bm = WL_ALLOWALLELEC; break;
case O_WL_EHOLE: bm = WL_EHOLE; break;
case O_WL_ALLOWGAS: bm = WL_ALLOWGAS; break;
case O_WL_GRAV: bm = WL_GRAV; break;
case O_WL_ALLOWENERGY: bm = WL_ALLOWENERGY; break;
}
if (bm == WL_FAN && fanData)
{
if(j+1 >= fanDataLen)
{
fprintf(stderr, "Not enough fan data\n");
}
fanVelX[blockP + bpos] = (fanData[j++]-127.0f)/64.0f;
fanVelY[blockP + bpos] = (fanData[j++]-127.0f)/64.0f;
}
if (bm >= UI_WALLCOUNT)
bm = 0;
blockMap[blockP + bpos] = bm;
}
}
//Read pressure data
if (pressData)
{
unsigned int j = 0;
unsigned char i, i2;
if (blockS.X * blockS.Y > int(pressDataLen))
throw ParseException(ParseException::Corrupt, "Not enough pressure data");
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
i = pressData[j++];
i2 = pressData[j++];
pressure[blockP + bpos] = ((i+(i2<<8))/128.0f)-256;
}
hasPressure = true;
}
//Read vx data
if (vxData)
{
unsigned int j = 0;
unsigned char i, i2;
if (blockS.X * blockS.Y > int(vxDataLen))
throw ParseException(ParseException::Corrupt, "Not enough vx data");
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
i = vxData[j++];
i2 = vxData[j++];
velocityX[blockP + bpos] = ((i+(i2<<8))/128.0f)-256;
}
}
//Read vy data
if (vyData)
{
unsigned int j = 0;
unsigned char i, i2;
if (blockS.X * blockS.Y > int(vyDataLen))
throw ParseException(ParseException::Corrupt, "Not enough vy data");
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
i = vyData[j++];
i2 = vyData[j++];
velocityY[blockP + bpos] = ((i+(i2<<8))/128.0f)-256;
}
}
//Read ambient data
if (ambientData)
{
unsigned int i = 0, tempTemp;
if (blockS.X * blockS.Y > int(ambientDataLen))
throw ParseException(ParseException::Corrupt, "Not enough ambient heat data");
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
tempTemp = ambientData[i++];
tempTemp |= (((unsigned)ambientData[i++]) << 8);
ambientHeat[blockP + bpos] = float(tempTemp);
}
hasAmbientHeat = true;
}
if (blockAirData)
{
if (blockS.X * blockS.Y * 2 > int(blockAirDataLen))
throw ParseException(ParseException::Corrupt, "Not enough block air data");
// TODO: use PlaneAdapter<std::span<unsigned char>> once we're C++20
auto blockAirDataPlane = PlaneAdapter<const std::basic_string_view<unsigned char>>(blockS, std::in_place, blockAirData, blockS.X * blockS.Y);
auto blockAirhDataPlane = PlaneAdapter<const std::basic_string_view<unsigned char>>(blockS, std::in_place, blockAirData + blockS.X * blockS.Y, blockS.X * blockS.Y);
for (auto bpos : blockS.OriginRect().Range<LEFT_TO_RIGHT, TOP_TO_BOTTOM>())
{
blockAir[blockP + bpos] = blockAirDataPlane[bpos];
blockAirh[blockP + bpos] = blockAirhDataPlane[bpos];
}
hasBlockAirMaps = true;
}
//Read particle data
if (partsData && partsPosData)
{
int newIndex = 0, tempTemp;
int posCount, posTotal, partsPosDataIndex = 0;
if (partS.X * partS.Y * 3 > int(partsPosDataLen))
throw ParseException(ParseException::Corrupt, "Not enough particle position data");
partsCount = 0;
unsigned int i = 0;
newIndex = 0;
for (auto pos : RectSized(partP, partS).Range<TOP_TO_BOTTOM, LEFT_TO_RIGHT>())
{
//Read total number of particles at this position
posTotal = 0;
posTotal |= partsPosData[partsPosDataIndex++]<<16;
posTotal |= partsPosData[partsPosDataIndex++]<<8;
posTotal |= partsPosData[partsPosDataIndex++];
//Put the next posTotal particles at this position
for (posCount = 0; posCount < posTotal; posCount++)
{
particlesCount = newIndex+1;
//i+3 because we have 4 bytes of required fields (type (1), descriptor (2), temp (1))
if (i+3 >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer");
unsigned int fieldDescriptor = (unsigned int)(partsData[i+1]);
fieldDescriptor |= (unsigned int)(partsData[i+2]) << 8;
if (newIndex < 0 || newIndex >= NPART)
throw ParseException(ParseException::Corrupt, "Too many particles");
//Clear the particle, ready for our new properties
memset(&(particles[newIndex]), 0, sizeof(Particle));
//Required fields
particles[newIndex].type = partsData[i];
particles[newIndex].x = float(pos.X);
particles[newIndex].y = float(pos.Y);
i+=3;
// Read type (2nd byte)
if (fieldDescriptor & 0x4000)
particles[newIndex].type |= (((unsigned)partsData[i++]) << 8);
//Read temp
if(fieldDescriptor & 0x01)
{
//Full 16bit int
tempTemp = partsData[i++];
tempTemp |= (((unsigned)partsData[i++]) << 8);
particles[newIndex].temp = float(tempTemp);
}
else
{
//1 Byte room temp offset
tempTemp = partsData[i++];
if (tempTemp >= 0x80)
{
tempTemp -= 0x100;
}
particles[newIndex].temp = tempTemp+294.15f;
}
// fieldDesc3
if (fieldDescriptor & 0x8000)
{
if (i >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading third byte of field descriptor");
fieldDescriptor |= (unsigned int)(partsData[i++]) << 16;
}
//Read life
if(fieldDescriptor & 0x02)
{
if (i >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading life");
particles[newIndex].life = partsData[i++];
//i++;
//Read 2nd byte
if(fieldDescriptor & 0x04)
{
if (i >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading life");
particles[newIndex].life |= (((unsigned)partsData[i++]) << 8);
}
}
//Read tmp
if(fieldDescriptor & 0x08)
{
if (i >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading tmp");
particles[newIndex].tmp = partsData[i++];
//Read 2nd byte
if(fieldDescriptor & 0x10)
{
if (i >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading tmp");
particles[newIndex].tmp |= (((unsigned)partsData[i++]) << 8);
//Read 3rd and 4th bytes
if(fieldDescriptor & 0x1000)
{
if (i+1 >= partsDataLen)
throw ParseException(ParseException::Corrupt, "Ran past particle data buffer while loading tmp");
particles[newIndex].tmp |= (((unsigned)partsData[i++]) << 24);
particles[newIndex].tmp |= (((unsigned)partsData[i++]) << 16);
}
}
}
//Read ctype