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First part of fix for 1712

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- implemented recursive search for missing dependencies
 - todo - update GUI. As of now Gui may provide incorrect information
This commit is contained in:
Ivan Savenko 2014-08-05 17:53:31 +03:00
parent d918621d66
commit 16eb4b3267
1 changed files with 24 additions and 6 deletions
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30
lib/CGameInfoCallback.cpp
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@ -403,20 +403,38 @@ EBuildingState::EBuildingState CGameInfoCallback::canBuildStructure( const CGTow
return EBuildingState::NO_WATER; //lack of water
}
auto buildTest = [&](const BuildingID & id)
/// returns true if building prerequisites are fulfilled
std::function<bool(BuildingID)> buildTest;
auto dependTest = [&](BuildingID id) -> bool
{
return t->hasBuilt(id);
const CBuilding * build = t->town->buildings.at(id);
if (build->upgrade != BuildingID::NONE)
{
if (!t->hasBuilt(build->upgrade))
return false;
if (!t->town->buildings.at(build->upgrade)->requirements.test(buildTest))
return false;
}
if (!build->requirements.test(buildTest))
return false;
return true;
};
if (!building->requirements.test(buildTest))
buildTest = [&](BuildingID bid)
{
return t->hasBuilt(bid) && dependTest(bid);
};
if (!dependTest(ID))
return EBuildingState::PREREQUIRES;
if(t->builded >= VLC->modh->settings.MAX_BUILDING_PER_TURN)
return EBuildingState::CANT_BUILD_TODAY; //building limit
if (building->upgrade != BuildingID::NONE && !t->hasBuilt(building->upgrade))
return EBuildingState::MISSING_BASE;
//checking resources
if(!building->resources.canBeAfforded(getPlayer(t->tempOwner)->resources))
return EBuildingState::NO_RESOURCES; //lack of res