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updating pathfinder mutexes to ensure safety of shared access to precache buffers

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This commit is contained in:
Mark Vejvoda
2013-11-09 21:22:51 +00:00
parent 273abcde75
commit fd2cc5f66b
1 changed files with 37 additions and 18 deletions
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55
source/glest_game/ai/path_finder.cpp
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@@ -602,16 +602,24 @@ TravelState PathFinder::aStar(Unit *unit, const Vec2i &targetPos, bool inBailout
static string mutexOwnerId = string(__FILE__) + string("_") + intToStr(__LINE__);
MutexSafeWrapper safeMutex2(faction.getMutex(),mutexOwnerId);
if(faction.precachedTravelState.find(unit->getId()) != faction.precachedTravelState.end()) {
MutexSafeWrapper safeMutexPrecache(faction.getMutexPreCache(),mutexOwnerId);
bool foundPrecacheTravelState = (faction.precachedTravelState.find(unit->getId()) != faction.precachedTravelState.end());
safeMutexPrecache.ReleaseLock(true);
if(foundPrecacheTravelState == true) {
codeLocation = "7";
if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
char szBuf[8096]="";
snprintf(szBuf,8096,"factions[unitFactionIndex].precachedTravelState[unit->getId()]: %d",faction.precachedTravelState[unit->getId()]);
unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
}
// if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
// char szBuf[8096]="";
// snprintf(szBuf,8096,"factions[unitFactionIndex].precachedTravelState[unit->getId()]: %d",faction.precachedTravelState[unit->getId()]);
// unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
// }
if(faction.precachedTravelState[unit->getId()] == tsMoving) {
safeMutexPrecache.Lock();
bool foundPrecacheTravelStateIsMoving = (faction.precachedTravelState[unit->getId()] == tsMoving);
safeMutexPrecache.ReleaseLock(true);
if(foundPrecacheTravelStateIsMoving == true) {
codeLocation = "8";
bool canMoveToCells = true;
@@ -665,13 +673,14 @@ TravelState PathFinder::aStar(Unit *unit, const Vec2i &targetPos, bool inBailout
codeLocation = "16";
unit->setUsePathfinderExtendedMaxNodes(false);
if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
char szBuf[8096]="";
snprintf(szBuf,8096,"return factions[unitFactionIndex].precachedTravelState[unit->getId()];");
unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
}
// if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
// char szBuf[8096]="";
// snprintf(szBuf,8096,"return factions[unitFactionIndex].precachedTravelState[unit->getId()];");
// unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
// }
codeLocation = "17";
safeMutexPrecache.Lock();
return faction.precachedTravelState[unit->getId()];
}
else {
@@ -682,18 +691,23 @@ TravelState PathFinder::aStar(Unit *unit, const Vec2i &targetPos, bool inBailout
else {
codeLocation = "19";
if(faction.precachedTravelState[unit->getId()] == tsBlocked) {
safeMutexPrecache.Lock();
bool foundPrecacheTravelStateIsBlocked = (faction.precachedTravelState[unit->getId()] == tsBlocked);
safeMutexPrecache.ReleaseLock(true);
if(foundPrecacheTravelStateIsBlocked == true) {
codeLocation = "20";
path->incBlockCount();
unit->setUsePathfinderExtendedMaxNodes(false);
if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
char szBuf[8096]="";
snprintf(szBuf,8096,"return factions[unitFactionIndex].precachedTravelState[unit->getId()];");
unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
}
// if(SystemFlags::getSystemSettingType(SystemFlags::debugWorldSynch).enabled == true && frameIndex < 0) {
// char szBuf[8096]="";
// snprintf(szBuf,8096,"return factions[unitFactionIndex].precachedTravelState[unit->getId()];");
// unit->logSynchData(extractFileFromDirectoryPath(__FILE__).c_str(),__LINE__,szBuf);
// }
codeLocation = "21";
safeMutexPrecache.Lock();
return faction.precachedTravelState[unit->getId()];
}
}
@@ -1062,6 +1076,11 @@ TravelState PathFinder::aStar(Unit *unit, const Vec2i &targetPos, bool inBailout
if(frameIndex >= 0) {
codeLocation = "61";
static string mutexOwnerId = string(__FILE__) + string("_") + intToStr(__LINE__);
FactionState &faction = factions.getFactionState(factionIndex);
MutexSafeWrapper safeMutexPrecache(faction.getMutexPreCache(),mutexOwnerId);
faction.precachedTravelState[unit->getId()] = ts;
}
else {