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Use exceptions instead of goto to corrup state. Fix Fan wall loading with PSV and New wall IDs with OPS

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This commit is contained in:
Simon Robertshaw 2012-07-20 19:39:38 +01:00
parent 22990b680c
commit 33de0482a2
1 changed files with 97 additions and 33 deletions
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128
src/client/GameSave.cpp
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@ -87,6 +87,7 @@ GameSave::GameSave(char * data, int dataSize)
throw ParseException(ParseException::Corrupt, "No data"); throw ParseException(ParseException::Corrupt, "No data");
} }
} catch (ParseException& e) { } catch (ParseException& e) {
std::cout << e.what() << std::endl;
this->~GameSave(); //Free any allocated memory this->~GameSave(); //Free any allocated memory
throw; throw;
} }
@ -509,7 +510,41 @@ void GameSave::readOPS(char * data, int dataLength)
{ {
if (wallData[y*blockW+x]) if (wallData[y*blockW+x])
blockMap[blockY+y][blockX+x] = wallData[y*blockW+x]; blockMap[blockY+y][blockX+x] = wallData[y*blockW+x];
if (wallData[y*blockW+x] == WL_FAN && fanData)
if (blockMap[y][x]==O_WL_WALLELEC)
blockMap[y][x]=WL_WALLELEC;
if (blockMap[y][x]==O_WL_EWALL)
blockMap[y][x]=WL_EWALL;
if (blockMap[y][x]==O_WL_DETECT)
blockMap[y][x]=WL_DETECT;
if (blockMap[y][x]==O_WL_STREAM)
blockMap[y][x]=WL_STREAM;
if (blockMap[y][x]==O_WL_FAN||blockMap[y][x]==O_WL_FANHELPER)
blockMap[y][x]=WL_FAN;
if (blockMap[y][x]==O_WL_ALLOWLIQUID)
blockMap[y][x]=WL_ALLOWLIQUID;
if (blockMap[y][x]==O_WL_DESTROYALL)
blockMap[y][x]=WL_DESTROYALL;
if (blockMap[y][x]==O_WL_ERASE)
blockMap[y][x]=WL_ERASE;
if (blockMap[y][x]==O_WL_WALL)
blockMap[y][x]=WL_WALL;
if (blockMap[y][x]==O_WL_ALLOWAIR)
blockMap[y][x]=WL_ALLOWAIR;
if (blockMap[y][x]==O_WL_ALLOWSOLID)
blockMap[y][x]=WL_ALLOWSOLID;
if (blockMap[y][x]==O_WL_ALLOWALLELEC)
blockMap[y][x]=WL_ALLOWALLELEC;
if (blockMap[y][x]==O_WL_EHOLE)
blockMap[y][x]=WL_EHOLE;
if (blockMap[y][x]==O_WL_ALLOWGAS)
blockMap[y][x]=WL_ALLOWGAS;
if (blockMap[y][x]==O_WL_GRAV)
blockMap[y][x]=WL_GRAV;
if (blockMap[y][x]==O_WL_ALLOWENERGY)
blockMap[y][x]=WL_ALLOWENERGY;
if (blockMap[y][x] == WL_FAN && fanData)
{ {
if(j+1 >= fanDataLen) if(j+1 >= fanDataLen)
{ {
@ -759,6 +794,9 @@ void GameSave::readPSv(char * data, int dataLength)
vector<Element> elements = GetElements(); vector<Element> elements = GetElements();
try
{
//New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures //New file header uses PSv, replacing fuC. This is to detect if the client uses a new save format for temperatures
//This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error //This creates a problem for old clients, that display and "corrupt" error instead of a "newer version" error
@ -825,6 +863,8 @@ void GameSave::readPSv(char * data, int dataLength)
throw ParseException(ParseException::Corrupt, "Cannot decompress"); throw ParseException(ParseException::Corrupt, "Cannot decompress");
dataLength = i; dataLength = i;
std::cout << "Parsing " << dataLength << " bytes of data, version " << ver << std::endl;
if (dataLength < bw*bh) if (dataLength < bw*bh)
throw ParseException(ParseException::Corrupt, "Save data corrupt (missing data)"); throw ParseException(ParseException::Corrupt, "Save data corrupt (missing data)");
@ -919,18 +959,18 @@ void GameSave::readPSv(char * data, int dataLength)
} }
for (y=by0; y<by0+bh; y++) for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++) for (x=bx0; x<bx0+bw; x++)
if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN) if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==O_WL_FAN)
{ {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
fanVelX[y][x] = (d[p++]-127.0f)/64.0f; fanVelX[y][x] = (d[p++]-127.0f)/64.0f;
} }
for (y=by0; y<by0+bh; y++) for (y=by0; y<by0+bh; y++)
for (x=bx0; x<bx0+bw; x++) for (x=bx0; x<bx0+bw; x++)
if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==WL_FAN) if (d[(y-by0)*bw+(x-bx0)]==4||d[(y-by0)*bw+(x-bx0)]==O_WL_FAN)
{ {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
fanVelY[y][x] = (d[p++]-127.0f)/64.0f; fanVelY[y][x] = (d[p++]-127.0f)/64.0f;
} }
@ -942,11 +982,11 @@ void GameSave::readPSv(char * data, int dataLength)
for (x=x0; x<x0+w; x++) for (x=x0; x<x0+w; x++)
{ {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
j=d[p++]; j=d[p++];
if (j >= PT_NUM) { if (j >= PT_NUM) {
//TODO: Possibly some server side translation //TODO: Possibly some server side translation
j = PT_DUST;//goto corrupt; j = PT_DUST;//throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (j) if (j)
{ {
@ -977,7 +1017,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
i--; i--;
if (p+1 >= dataLength) if (p+1 >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
if (i < NPART) if (i < NPART)
{ {
particles[i].vx = (d[p++]-127.0f)/16.0f; particles[i].vx = (d[p++]-127.0f)/16.0f;
@ -994,7 +1034,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (ver>=44) { if (ver>=44) {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
ttv = (d[p++])<<8; ttv = (d[p++])<<8;
@ -1005,7 +1045,7 @@ void GameSave::readPSv(char * data, int dataLength)
} }
} else { } else {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
if (i <= NPART) if (i <= NPART)
particles[i-1].life = d[p++]*4; particles[i-1].life = d[p++]*4;
else else
@ -1020,7 +1060,7 @@ void GameSave::readPSv(char * data, int dataLength)
if (i) if (i)
{ {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
ttv = (d[p++])<<8; ttv = (d[p++])<<8;
@ -1050,7 +1090,7 @@ void GameSave::readPSv(char * data, int dataLength)
if (i && (ty==PT_PBCN || (ty==PT_TRON && ver>=77))) if (i && (ty==PT_PBCN || (ty==PT_TRON && ver>=77)))
{ {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
if (i <= NPART) if (i <= NPART)
particles[i-1].tmp2 = d[p++]; particles[i-1].tmp2 = d[p++];
else else
@ -1066,7 +1106,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (ver>=49) { if (ver>=49) {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
particles[i-1].dcolour = d[p++]<<24; particles[i-1].dcolour = d[p++]<<24;
@ -1084,7 +1124,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (ver>=49) { if (ver>=49) {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
particles[i-1].dcolour |= d[p++]<<16; particles[i-1].dcolour |= d[p++]<<16;
@ -1102,7 +1142,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (ver>=49) { if (ver>=49) {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
particles[i-1].dcolour |= d[p++]<<8; particles[i-1].dcolour |= d[p++]<<8;
@ -1120,7 +1160,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (ver>=49) { if (ver>=49) {
if (p >= dataLength) { if (p >= dataLength) {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) { if (i <= NPART) {
particles[i-1].dcolour |= d[p++]; particles[i-1].dcolour |= d[p++];
@ -1140,7 +1180,7 @@ void GameSave::readPSv(char * data, int dataLength)
{ {
if (p >= dataLength) if (p >= dataLength)
{ {
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
} }
if (i <= NPART) if (i <= NPART)
{ {
@ -1182,7 +1222,7 @@ void GameSave::readPSv(char * data, int dataLength)
if (i && (ty==PT_CLNE || (ty==PT_PCLN && ver>=43) || (ty==PT_BCLN && ver>=44) || (ty==PT_SPRK && ver>=21) || (ty==PT_LAVA && ver>=34) || (ty==PT_PIPE && ver>=43) || (ty==PT_LIFE && ver>=51) || (ty==PT_PBCN && ver>=52) || (ty==PT_WIRE && ver>=55) || (ty==PT_STOR && ver>=59) || (ty==PT_CONV && ver>=60))) if (i && (ty==PT_CLNE || (ty==PT_PCLN && ver>=43) || (ty==PT_BCLN && ver>=44) || (ty==PT_SPRK && ver>=21) || (ty==PT_LAVA && ver>=34) || (ty==PT_PIPE && ver>=43) || (ty==PT_LIFE && ver>=51) || (ty==PT_PBCN && ver>=52) || (ty==PT_WIRE && ver>=55) || (ty==PT_STOR && ver>=59) || (ty==PT_CONV && ver>=60)))
{ {
if (p >= dataLength) if (p >= dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
if (i <= NPART) if (i <= NPART)
particles[i-1].ctype = d[p++]; particles[i-1].ctype = d[p++];
else else
@ -1260,7 +1300,7 @@ void GameSave::readPSv(char * data, int dataLength)
for (i=0; i<j; i++) for (i=0; i<j; i++)
{ {
if (p+6 > dataLength) if (p+6 > dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
x = d[p++]; x = d[p++];
x |= ((unsigned)d[p++])<<8; x |= ((unsigned)d[p++])<<8;
tempSign.x = x+x0; tempSign.x = x+x0;
@ -1271,7 +1311,7 @@ void GameSave::readPSv(char * data, int dataLength)
tempSign.ju = (sign::Justification)x; tempSign.ju = (sign::Justification)x;
x = d[p++]; x = d[p++];
if (p+x > dataLength) if (p+x > dataLength)
goto corrupt; throw ParseException(ParseException::Corrupt, "Not enough data at line " MTOS(__LINE__) " in " MTOS(__FILE__));
if(x>254) if(x>254)
x = 254; x = 254;
memcpy(tempSignText, d+p, x); memcpy(tempSignText, d+p, x);
@ -1288,19 +1328,43 @@ void GameSave::readPSv(char * data, int dataLength)
signs.push_back(tempSigns[i]); signs.push_back(tempSigns[i]);
} }
}
catch(ParseException & e)
{
if (m)
{
free(m);
m = 0;
}
if (d)
{
free(d);
d = 0;
}
if (fp)
{
free(fp);
fp = 0;
}
throw;
}
version1: version1:
if (m) free(m); if (m)
if (d) free(d); {
if (fp) free(fp); free(m);
m = 0;
return; }
if (d)
corrupt: {
if (m) free(m); free(d);
if (d) free(d); d = 0;
if (fp) free(fp); }
if (fp)
throw ParseException(ParseException::Corrupt, "Save data corrupt"); {
free(fp);
fp = 0;
}
} }
char * GameSave::serialiseOPS(int & dataLength) char * GameSave::serialiseOPS(int & dataLength)