1
0
mirror of https://github.com/vcmi/vcmi.git synced 2025-03-19 21:10:12 +02:00

Configurable duels.

This commit is contained in:
Michał W. Urbańczyk 2011-01-21 02:36:30 +00:00
parent 824d2b52db
commit ed07cfe073
7 changed files with 191 additions and 100 deletions

View File

@ -197,7 +197,7 @@ int main(int argc, char** argv)
opts.add_options()
("help,h", "display help and exit")
("version,v", "display version information and exit")
("battle,b", "runs game in duel mode (battle-only");
("battle,b", po::value<std::string>(), "runs game in duel mode (battle-only");
po::variables_map vm;
if(argc > 1)
@ -280,6 +280,7 @@ int main(int argc, char** argv)
{
StartInfo *si = new StartInfo();
si->mode = StartInfo::DUEL;
si->mapname = vm["battle"].as<std::string>();
si->playerInfos[0].color = 0;
si->playerInfos[1].color = 1;
startGame(si);

View File

@ -11,8 +11,8 @@
const CStackInstance &CCreatureSet::operator[](TSlot slot) const
{
TSlots::const_iterator i = slots.find(slot);
if (i != slots.end())
TSlots::const_iterator i = stacks.find(slot);
if (i != stacks.end())
return *i->second;
else
throw std::string("That slot is empty!");
@ -20,8 +20,8 @@ const CStackInstance &CCreatureSet::operator[](TSlot slot) const
const CCreature* CCreatureSet::getCreature(TSlot slot) const
{
TSlots::const_iterator i = slots.find(slot);
if (i != slots.end())
TSlots::const_iterator i = stacks.find(slot);
if (i != stacks.end())
return i->second->type;
else
return NULL;
@ -41,7 +41,7 @@ bool CCreatureSet::setCreature(TSlot slot, TCreature type, TQuantity quantity) /
return true;
}
if(vstd::contains(slots, slot)) //remove old creature
if(vstd::contains(stacks, slot)) //remove old creature
eraseStack(slot);
putStack(slot, new CStackInstance(type, quantity));
@ -56,7 +56,7 @@ TSlot CCreatureSet::getSlotFor(TCreature creature, ui32 slotsAmount/*=7*/) const
TSlot CCreatureSet::getSlotFor(const CCreature *c, ui32 slotsAmount/*=ARMY_SIZE*/) const
{
assert(c->valid());
for(TSlots::const_iterator i=slots.begin(); i!=slots.end(); ++i)
for(TSlots::const_iterator i=stacks.begin(); i!=stacks.end(); ++i)
{
assert(i->second->type->valid());
if(i->second->type == c)
@ -66,7 +66,7 @@ TSlot CCreatureSet::getSlotFor(const CCreature *c, ui32 slotsAmount/*=ARMY_SIZE*
}
for(ui32 i=0; i<slotsAmount; i++)
{
if(slots.find(i) == slots.end())
if(stacks.find(i) == stacks.end())
{
return i; //return first free slot
}
@ -76,8 +76,8 @@ TSlot CCreatureSet::getSlotFor(const CCreature *c, ui32 slotsAmount/*=ARMY_SIZE*
int CCreatureSet::getStackCount(TSlot slot) const
{
TSlots::const_iterator i = slots.find(slot);
if (i != slots.end())
TSlots::const_iterator i = stacks.find(slot);
if (i != stacks.end())
return i->second->count;
else
return 0; //TODO? consider issuing a warning
@ -86,10 +86,10 @@ int CCreatureSet::getStackCount(TSlot slot) const
bool CCreatureSet::mergableStacks(std::pair<TSlot, TSlot> &out, TSlot preferable /*= -1*/) const /*looks for two same stacks, returns slot positions */
{
//try to match creature to our preferred stack
if(preferable >= 0 && vstd::contains(slots, preferable))
if(preferable >= 0 && vstd::contains(stacks, preferable))
{
const CCreature *cr = slots.find(preferable)->second->type;
for(TSlots::const_iterator j=slots.begin(); j!=slots.end(); ++j)
const CCreature *cr = stacks.find(preferable)->second->type;
for(TSlots::const_iterator j=stacks.begin(); j!=stacks.end(); ++j)
{
if(cr == j->second->type && j->first != preferable)
{
@ -100,9 +100,9 @@ bool CCreatureSet::mergableStacks(std::pair<TSlot, TSlot> &out, TSlot preferable
}
}
for(TSlots::const_iterator i=slots.begin(); i!=slots.end(); ++i)
for(TSlots::const_iterator i=stacks.begin(); i!=stacks.end(); ++i)
{
for(TSlots::const_iterator j=slots.begin(); j!=slots.end(); ++j)
for(TSlots::const_iterator j=stacks.begin(); j!=stacks.end(); ++j)
{
if(i->second->type == j->second->type && i->first != j->first)
{
@ -117,11 +117,11 @@ bool CCreatureSet::mergableStacks(std::pair<TSlot, TSlot> &out, TSlot preferable
void CCreatureSet::sweep()
{
for(TSlots::iterator i=slots.begin(); i!=slots.end(); ++i)
for(TSlots::iterator i=stacks.begin(); i!=stacks.end(); ++i)
{
if(!i->second->count)
{
slots.erase(i);
stacks.erase(i);
sweep();
break;
}
@ -132,7 +132,7 @@ void CCreatureSet::addToSlot(TSlot slot, TCreature cre, TQuantity count, bool al
{
const CCreature *c = VLC->creh->creatures[cre];
if(!vstd::contains(slots, slot))
if(!vstd::contains(stacks, slot))
{
setCreature(slot, cre, count);
}
@ -150,7 +150,7 @@ void CCreatureSet::addToSlot(TSlot slot, CStackInstance *stack, bool allowMergin
{
assert(stack->valid(true));
if(!vstd::contains(slots, slot))
if(!vstd::contains(stacks, slot))
{
putStack(slot, stack);
}
@ -166,7 +166,7 @@ void CCreatureSet::addToSlot(TSlot slot, CStackInstance *stack, bool allowMergin
bool CCreatureSet::validTypes(bool allowUnrandomized /*= false*/) const
{
for(TSlots::const_iterator i=slots.begin(); i!=slots.end(); ++i)
for(TSlots::const_iterator i=stacks.begin(); i!=stacks.end(); ++i)
{
if(!i->second->valid(allowUnrandomized))
return false;
@ -176,7 +176,7 @@ bool CCreatureSet::validTypes(bool allowUnrandomized /*= false*/) const
bool CCreatureSet::slotEmpty(TSlot slot) const
{
return !vstd::contains(slots, slot);
return !vstd::contains(stacks, slot);
}
bool CCreatureSet::needsLastStack() const
@ -187,7 +187,7 @@ bool CCreatureSet::needsLastStack() const
int CCreatureSet::getArmyStrength() const
{
int ret = 0;
for(TSlots::const_iterator i = slots.begin(); i != slots.end(); i++)
for(TSlots::const_iterator i = stacks.begin(); i != stacks.end(); i++)
ret += i->second->type->AIValue * i->second->count;
return ret;
}
@ -203,7 +203,7 @@ std::string CCreatureSet::getRoughAmount (TSlot slot) const
int CCreatureSet::stacksCount() const
{
return slots.size();
return stacks.size();
}
void CCreatureSet::setFormation(bool tight)
@ -213,30 +213,30 @@ void CCreatureSet::setFormation(bool tight)
void CCreatureSet::setStackCount(TSlot slot, TQuantity count)
{
assert(vstd::contains(slots, slot));
assert(vstd::contains(stacks, slot));
assert(count > 0);
slots[slot]->count = count;
stacks[slot]->count = count;
}
void CCreatureSet::clear()
{
while(!slots.empty())
while(!stacks.empty())
{
eraseStack(slots.begin()->first);
eraseStack(stacks.begin()->first);
}
}
const CStackInstance& CCreatureSet::getStack(TSlot slot) const
{
assert(vstd::contains(slots, slot));
return *slots.find(slot)->second;
assert(vstd::contains(stacks, slot));
return *stacks.find(slot)->second;
}
void CCreatureSet::eraseStack(TSlot slot)
{
assert(vstd::contains(slots, slot));
delNull(slots[slot]);
slots.erase(slot);
assert(vstd::contains(stacks, slot));
delNull(stacks[slot]);
stacks.erase(slot);
}
bool CCreatureSet::contains(const CStackInstance *stack) const
@ -244,7 +244,7 @@ bool CCreatureSet::contains(const CStackInstance *stack) const
if(!stack)
return false;
for(TSlots::const_iterator i = slots.begin(); i != slots.end(); ++i)
for(TSlots::const_iterator i = stacks.begin(); i != stacks.end(); ++i)
if(i->second == stack)
return true;
@ -256,7 +256,7 @@ TSlot CCreatureSet::findStack(const CStackInstance *stack) const
if(!stack)
return -1;
for(TSlots::const_iterator i = slots.begin(); i != slots.end(); ++i)
for(TSlots::const_iterator i = stacks.begin(); i != stacks.end(); ++i)
if(i->second == stack)
return i->first;
@ -270,8 +270,8 @@ CArmedInstance * CCreatureSet::castToArmyObj()
void CCreatureSet::putStack(TSlot slot, CStackInstance *stack)
{
assert(!vstd::contains(slots, slot));
slots[slot] = stack;
assert(!vstd::contains(stacks, slot));
stacks[slot] = stack;
stack->setArmyObj(castToArmyObj());
}
@ -311,21 +311,21 @@ void CCreatureSet::setToArmy(CCreatureSet &src)
clear();
while(src)
{
TSlots::iterator i = src.slots.begin();
TSlots::iterator i = src.stacks.begin();
assert(i->second->type);
assert(i->second->valid(false));
assert(i->second->armyObj == NULL);
putStack(i->first, i->second);
src.slots.erase(i);
src.stacks.erase(i);
}
}
CStackInstance * CCreatureSet::detachStack(TSlot slot)
{
assert(vstd::contains(slots, slot));
CStackInstance *ret = slots[slot];
assert(vstd::contains(stacks, slot));
CStackInstance *ret = stacks[slot];
if(CArmedInstance *armedObj = castToArmyObj())
{
@ -334,14 +334,14 @@ CStackInstance * CCreatureSet::detachStack(TSlot slot)
assert(!ret->armyObj); //we failed detaching?
slots.erase(slot);
stacks.erase(slot);
return ret;
}
void CCreatureSet::setStackType(TSlot slot, const CCreature *type)
{
assert(vstd::contains(slots, slot));
CStackInstance *s = slots[slot];
assert(vstd::contains(stacks, slot));
CStackInstance *s = stacks[slot];
s->setType(type->idNumber);
}
@ -351,7 +351,7 @@ bool CCreatureSet::canBeMergedWith(const CCreatureSet &cs, bool allowMergingStac
{
int freeSlots = stacksCount() - ARMY_SIZE;
std::set<const CCreature*> cresToAdd;
for(TSlots::const_iterator i = cs.slots.begin(); i != cs.slots.end(); i++)
for(TSlots::const_iterator i = cs.stacks.begin(); i != cs.stacks.end(); i++)
{
TSlot dest = getSlotFor(i->second->type);
if(dest < 0 || hasStackAtSlot(dest))
@ -364,9 +364,9 @@ bool CCreatureSet::canBeMergedWith(const CCreatureSet &cs, bool allowMergingStac
std::set<const CCreature*> cres;
//get types of creatures that need their own slot
for(TSlots::const_iterator i = cs.slots.begin(); i != cs.slots.end(); i++)
for(TSlots::const_iterator i = cs.stacks.begin(); i != cs.stacks.end(); i++)
cres.insert(i->second->type);
for(TSlots::const_iterator i = slots.begin(); i != slots.end(); i++)
for(TSlots::const_iterator i = stacks.begin(); i != stacks.end(); i++)
cres.insert(i->second->type);
return cres.size() <= ARMY_SIZE;
@ -375,7 +375,7 @@ bool CCreatureSet::canBeMergedWith(const CCreatureSet &cs, bool allowMergingStac
bool CCreatureSet::hasStackAtSlot(TSlot slot) const
{
return vstd::contains(slots, slot);
return vstd::contains(stacks, slot);
}
CCreatureSet & CCreatureSet::operator=(const CCreatureSet&cs)

View File

@ -72,7 +72,7 @@ class DLL_EXPORT CCreatureSet //seven combined creatures
CCreatureSet(const CCreatureSet&);;
CCreatureSet &operator=(const CCreatureSet&);
public:
TSlots slots; //slots[slot_id]->> pair(creature_id,creature_quantity)
TSlots stacks; //slots[slot_id]->> pair(creature_id,creature_quantity)
ui8 formation; //false - wide, true - tight
CCreatureSet();
@ -80,7 +80,7 @@ public:
const CStackInstance &operator[](TSlot slot) const;
const TSlots &Slots() const {return slots;}
const TSlots &Slots() const {return stacks;}
void addToSlot(TSlot slot, TCreature cre, TQuantity count, bool allowMerging = true); //Adds stack to slot. Slot must be empty or with same type creature
void addToSlot(TSlot slot, CStackInstance *stack, bool allowMerging = true); //Adds stack to slot. Slot must be empty or with same type creature
@ -122,11 +122,11 @@ public:
template <typename Handler> void serialize(Handler &h, const int version)
{
h & slots & formation;
h & stacks & formation;
}
operator bool() const
{
return slots.size() > 0;
return stacks.size() > 0;
}
void sweep();
};

View File

@ -894,34 +894,67 @@ void CGameState::init( StartInfo * si, ui32 checksum, int Seed )
break;
case StartInfo::DUEL:
{
int3 tile;
int terType = TerrainTile::grass;
int terrain = 15;
const CArmedInstance *armies[2];
const CGHeroInstance *heroes[2];
const CGTownInstance *town = NULL;
CGHeroInstance *h = new CGHeroInstance();
h->setOwner(0);
h->subID = 1;
h->initHero(1);
h->initObj();
h->setCreature(0, 110, 1);
h->setCreature(1, 69, 1);
bool success = false;
DuelParameters dp;
try
{
CLoadFile lf(scenarioOps->mapname);
lf >> dp;
success = true;
}
catch(...)
{}
CGCreature *c = new CGCreature();
c->setOwner(1);
c->putStack(0, new CStackInstance(69, 6));
c->putStack(1, new CStackInstance(11, 3));
c->subID = 34;
c->initObj();
heroes[0] = h;
heroes[1] = NULL;
const CArmedInstance *armies[2] = {0};
const CGHeroInstance *heroes[2] = {0};
CGTownInstance *town = NULL;
armies[0] = h;
armies[1] = c;
for(int i = 0; i < 2; i++)
{
CArmedInstance *obj = NULL;
if(dp.sides[i].heroId >= 0)
{
CGHeroInstance *h = new CGHeroInstance();
armies[i] = heroes[i] = h;
obj = h;
h->subID = dp.sides[i].heroId;
h->initHero(h->subID);
}
else
{
CGCreature *c = new CGCreature();
armies[i] = obj = c;
c->subID = 34;
}
curB = BattleInfo::setupBattle(tile, terrain, terType, armies, heroes, false, town);
obj->initObj();
obj->setOwner(i);
for(int j = 0; j < ARRAY_COUNT(dp.sides[i].stacks); j++)
{
int cre = dp.sides[i].stacks[j].type, count = dp.sides[i].stacks[j].count;
if(!count && obj->hasStackAtSlot(j)
|| count)
obj->setCreature(j, cre, count);
}
}
// h->setCreature(0, 110, 1);
// h->setCreature(1, 69, 1);
//
// CGHeroInstance *h = new CGHeroInstance();
//
// CGCreature *c = new CGCreature();
// c->setOwner(1);
// c->putStack(0, new CStackInstance(69, 6));
// c->putStack(1, new CStackInstance(11, 3));
// c->subID = 34;
// c->initObj();
curB = BattleInfo::setupBattle(int3(), dp.bfieldType, dp.terType, armies, heroes, false, town);
curB->localInit();
return;
}
@ -3068,4 +3101,25 @@ ArmyDescriptor::ArmyDescriptor(const CArmedInstance *army, bool detailed)
ArmyDescriptor::ArmyDescriptor()
{
}
DuelParameters::SideSettings::StackSettings::StackSettings()
: type(-1), count(0)
{
}
DuelParameters::SideSettings::StackSettings::StackSettings(si32 Type, si32 Count)
: type(Type), count(Count)
{
}
DuelParameters::SideSettings::SideSettings()
{
heroId = -1;
}
DuelParameters::DuelParameters()
{
terType = TerrainTile::dirt;
bfieldType = 15;
}

View File

@ -247,6 +247,42 @@ struct DLL_EXPORT CPathsInfo
~CPathsInfo();
};
struct DLL_EXPORT DuelParameters
{
si32 terType, bfieldType;
struct SideSettings
{
struct StackSettings
{
si32 type;
si32 count;
template <typename Handler> void serialize(Handler &h, const int version)
{
h & type & count;
}
StackSettings();
StackSettings(si32 Type, si32 Count);
} stacks[ARMY_SIZE];
si32 heroId; //-1 if none
std::set<si32> spells;
SideSettings();
template <typename Handler> void serialize(Handler &h, const int version)
{
h & stacks & heroId & spells;
}
} sides[2];
DuelParameters();
template <typename Handler> void serialize(Handler &h, const int version)
{
h & terType & bfieldType & sides;
}
};
class BattleInfo;
class DLL_EXPORT CGameState

View File

@ -2845,7 +2845,7 @@ void CTownBonus::onHeroVisit (const CGHeroInstance * h) const
const std::string & CGCreature::getHoverText() const
{
MetaString ms;
int pom = slots.find(0)->second->getQuantityID();
int pom = stacks.find(0)->second->getQuantityID();
pom = 174 + 3*pom + 1;
ms << std::pair<ui8,ui32>(6,pom) << " " << std::pair<ui8,ui32>(7,subID);
ms.toString(hoverName);
@ -2957,8 +2957,8 @@ void CGCreature::initObj()
break;
}
slots[0]->setType(subID);
TQuantity &amount = slots[0]->count;
stacks[0]->setType(subID);
TQuantity &amount = stacks[0]->count;
CCreature &c = *VLC->creh->creatures[subID];
if(!amount)
{
@ -2968,11 +2968,11 @@ void CGCreature::initObj()
amount = c.ammMin + (ran() % (c.ammMax - c.ammMin));
}
temppower = slots[0]->count * 1000;
temppower = stacks[0]->count * 1000;
}
void CGCreature::newTurn() const
{//Works only for stacks of single type of size up to 2 millions
if (slots.begin()->second->count < CREEP_SIZE && cb->getDate(1) == 1 && cb->getDate(0) > 1)
if (stacks.begin()->second->count < CREEP_SIZE && cb->getDate(1) == 1 && cb->getDate(0) > 1)
{
ui32 power = temppower * (100 + WEEKLY_GROWTH)/100;
cb->setObjProperty(id, 10, std::min (power/1000 , (ui32)CREEP_SIZE)); //set new amount
@ -2984,7 +2984,7 @@ void CGCreature::setPropertyDer(ui8 what, ui32 val)
switch (what)
{
case 10:
slots[0]->count = val;
stacks[0]->count = val;
break;
case 11:
temppower = val;
@ -4662,13 +4662,13 @@ void CGBonusingObject::onHeroVisit( const CGHeroInstance * h ) const
for (TSlots::const_iterator i = h->Slots().begin(); i != h->Slots().end(); ++i)
{
if(i->second->type->idNumber == 10)
creatures.slots.insert(*i);
creatures.stacks.insert(*i);
}
if (creatures.slots.size())
if (creatures.stacks.size())
{
messageID = 138;
iw.components.push_back(Component(Component::CREATURE,11,0,1));
for (TSlots::const_iterator i = creatures.slots.begin(); i != creatures.slots.end(); ++i)
for (TSlots::const_iterator i = creatures.stacks.begin(); i != creatures.stacks.end(); ++i)
{
cb->changeStackType(StackLocation(h, i->first), VLC->creh->creatures[11]);
}
@ -6534,7 +6534,7 @@ CCreatureSet& CArmedInstance::getArmy() const
void CArmedInstance::randomizeArmy(int type)
{
int max = VLC->creh->creatures.size();
for (TSlots::iterator j = slots.begin(); j != slots.end();j++)
for (TSlots::iterator j = stacks.begin(); j != stacks.end();j++)
{
int randID = j->second->idRand;
if(randID > max)

View File

@ -389,7 +389,7 @@ void CGameHandler::endBattle(int3 tile, const CGHeroInstance *hero1, const CGHer
if(duel)
{
CSaveFile resultFile("result.vdrst");
resultFile << battleResult.data;
resultFile << *battleResult.data;
return;
}
@ -1981,8 +1981,8 @@ bool CGameHandler::arrangeStacks( si32 id1, si32 id2, ui8 what, ui8 p1, ui8 p2,
if(what==1) //swap
{
if ( ((s1->tempOwner != player && s1->tempOwner != 254) && S1.slots[p1]->count) //why 254??
|| ((s2->tempOwner != player && s2->tempOwner != 254) && S2.slots[p2]->count))
if ( ((s1->tempOwner != player && s1->tempOwner != 254) && S1.stacks[p1]->count) //why 254??
|| ((s2->tempOwner != player && s2->tempOwner != 254) && S2.stacks[p2]->count))
{
complain("Can't take troops from another player!");
return false;
@ -1992,46 +1992,46 @@ bool CGameHandler::arrangeStacks( si32 id1, si32 id2, ui8 what, ui8 p1, ui8 p2,
}
else if(what==2)//merge
{
if (( S1.slots[p1]->type != S2.slots[p2]->type && complain("Cannot merge different creatures stacks!"))
|| ((s1->tempOwner != player && s1->tempOwner != 254) && S2.slots[p2]->count) && complain("Can't take troops from another player!"))
if (( S1.stacks[p1]->type != S2.stacks[p2]->type && complain("Cannot merge different creatures stacks!"))
|| ((s1->tempOwner != player && s1->tempOwner != 254) && S2.stacks[p2]->count) && complain("Can't take troops from another player!"))
return false;
moveStack(sl1, sl2);
}
else if(what==3) //split
{
if ( (s1->tempOwner != player && S1.slots[p1]->count < s1->getArmy().getStackCount(p1) )
|| (s2->tempOwner != player && S2.slots[p2]->count < s2->getArmy().getStackCount(p2) ) )
if ( (s1->tempOwner != player && S1.stacks[p1]->count < s1->getArmy().getStackCount(p1) )
|| (s2->tempOwner != player && S2.stacks[p2]->count < s2->getArmy().getStackCount(p2) ) )
{
complain("Can't move troops of another player!");
return false;
}
//general conditions checking
if((!vstd::contains(S1.slots,p1) && complain("no creatures to split"))
if((!vstd::contains(S1.stacks,p1) && complain("no creatures to split"))
|| (val<1 && complain("no creatures to split")) )
{
return false;
}
if(vstd::contains(S2.slots,p2)) //dest. slot not free - it must be "rebalancing"...
if(vstd::contains(S2.stacks,p2)) //dest. slot not free - it must be "rebalancing"...
{
int total = S1.slots[p1]->count + S2.slots[p2]->count;
int total = S1.stacks[p1]->count + S2.stacks[p2]->count;
if( (total < val && complain("Cannot split that stack, not enough creatures!"))
|| (S2.slots[p2]->type != S1.slots[p1]->type && complain("Cannot rebalance different creatures stacks!"))
|| (S2.stacks[p2]->type != S1.stacks[p1]->type && complain("Cannot rebalance different creatures stacks!"))
)
{
return false;
}
moveStack(sl1, sl2, val - S2.slots[p2]->count);
moveStack(sl1, sl2, val - S2.stacks[p2]->count);
//S2.slots[p2]->count = val;
//S1.slots[p1]->count = total - val;
}
else //split one stack to the two
{
if(S1.slots[p1]->count < val)//not enough creatures
if(S1.stacks[p1]->count < val)//not enough creatures
{
complain("Cannot split that stack, not enough creatures!");
return false;
@ -2072,7 +2072,7 @@ int CGameHandler::getPlayerAt( CConnection *c ) const
bool CGameHandler::disbandCreature( si32 id, ui8 pos )
{
CArmedInstance *s1 = static_cast<CArmedInstance*>(gs->map->objects[id].get());
if(!vstd::contains(s1->slots,pos))
if(!vstd::contains(s1->stacks,pos))
{
complain("Illegal call to disbandCreature - no such stack in army!");
return false;
@ -2321,7 +2321,7 @@ bool CGameHandler::upgradeCreature( ui32 objid, ui8 pos, ui32 upgID )
assert(obj->hasStackAtSlot(pos));
UpgradeInfo ui = gs->getUpgradeInfo(obj->getStack(pos));
int player = obj->tempOwner;
int crQuantity = obj->slots[pos]->count;
int crQuantity = obj->stacks[pos]->count;
int newIDpos= vstd::findPos(ui.newID, upgID);//get position of new id in UpgradeInfo
//check if upgrade is possible