games/vcmi
1
0
Fork 0
mirror of https://github.com/vcmi/vcmi.git synced 2025-11-29 23:07:48 +02:00
Code Issues Releases Activity

Earthquake spell: do not target already destroyed sections

Browse Source
This commit is contained in:
Ivan Savenko
2022-12-08 18:48:08 +02:00
parent 155f776ae8
commit b3deea24e0
2 changed files with 55 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

70
lib/spells/effects/Catapult.cpp
View File

@@ -68,7 +68,7 @@ bool Catapult::applicable(Problem & problem, const Mechanics * m) const
void Catapult::apply(ServerCallback * server, const Mechanics * m, const EffectTarget & /* eTarget */) const
{
//start with all destructible parts
static const std::set<EWallPart::EWallPart> possibleTargets =
static const std::set<EWallPart::EWallPart> potentialTargets =
{
EWallPart::KEEP,
EWallPart::BOTTOM_TOWER,
@@ -80,7 +80,20 @@ void Catapult::apply(ServerCallback * server, const Mechanics * m, const EffectT
EWallPart::GATE
};
assert(possibleTargets.size() == EWallPart::PARTS_COUNT);
assert(potentialTargets.size() == EWallPart::PARTS_COUNT);
std::set<EWallPart::EWallPart> allowedTargets;
for (auto const & target : potentialTargets)
{
auto state = m->battle()->battleGetWallState(target);
if(state != EWallState::DESTROYED && state != EWallState::NONE)
allowedTargets.insert(target);
}
assert(!allowedTargets.empty());
if (allowedTargets.empty())
return;
CatapultAttack ca;
ca.attacker = -1;
@@ -89,21 +102,31 @@ void Catapult::apply(ServerCallback * server, const Mechanics * m, const EffectT
for(int i = 0; i < targetsToAttack; i++)
{
//Any destructible part can be hit regardless of its HP. Multiple hit on same target is allowed.
EWallPart::EWallPart target = *RandomGeneratorUtil::nextItem(possibleTargets, *server->getRNG());
// Hit on any existing, not destroyed targets are allowed
// Multiple hit on same target are allowed.
// Potential overshots (more hits on same targets than remaining HP) are allowed
EWallPart::EWallPart target = *RandomGeneratorUtil::nextItem(allowedTargets, *server->getRNG());
auto state = m->battle()->battleGetWallState(target);
if(state == EWallState::DESTROYED || state == EWallState::NONE)
continue;
auto attackInfo = ca.attackedParts.begin();
for ( ; attackInfo != ca.attackedParts.end(); ++attackInfo)
if ( attackInfo->attackedPart == target )
break;
CatapultAttack::AttackInfo attackInfo;
attackInfo.damageDealt = 1;
attackInfo.attackedPart = target;
attackInfo.destinationTile = m->battle()->wallPartToBattleHex(target);
ca.attackedParts.push_back(attackInfo);
if (attackInfo == ca.attackedParts.end()) // new part
{
CatapultAttack::AttackInfo newInfo;
newInfo.damageDealt = 1;
newInfo.attackedPart = target;
newInfo.destinationTile = m->battle()->wallPartToBattleHex(target);
ca.attackedParts.push_back(newInfo);
attackInfo = ca.attackedParts.end() - 1;
}
else // already damaged before, update damage
{
attackInfo->damageDealt += 1;
}
//removing creatures in turrets / keep if one is destroyed
BattleHex posRemove;
@@ -111,17 +134,17 @@ void Catapult::apply(ServerCallback * server, const Mechanics * m, const EffectT
switch(target)
{
case EWallPart::KEEP:
posRemove = -2;
posRemove = BattleHex::CASTLE_CENTRAL_TOWER;
break;
case EWallPart::BOTTOM_TOWER:
posRemove = -3;
posRemove = BattleHex::CASTLE_BOTTOM_TOWER;
break;
case EWallPart::UPPER_TOWER:
posRemove = -4;
posRemove = BattleHex::CASTLE_UPPER_TOWER;
break;
}
if(posRemove != BattleHex::INVALID && state - attackInfo.damageDealt <= 0) //HP enum subtraction not intuitive, consider using SiegeInfo::applyDamage
if(posRemove != BattleHex::INVALID && state - attackInfo->damageDealt <= 0) //HP enum subtraction not intuitive, consider using SiegeInfo::applyDamage
{
auto all = m->battle()->battleGetUnitsIf([=](const battle::Unit * unit)
{
@@ -130,14 +153,23 @@ void Catapult::apply(ServerCallback * server, const Mechanics * m, const EffectT
for(auto & elem : all)
{
if(elem->getPosition() == posRemove)
if(elem->getPosition() != posRemove)
continue;
// if tower was hit multiple times, it may have been destroyed already
bool stackWasRemovedBefore = false;
for(auto & removed : removeUnits.changedStacks)
{
if (removed.id == elem->unitId())
stackWasRemovedBefore = true;
}
if (!stackWasRemovedBefore)
removeUnits.changedStacks.emplace_back(elem->unitId(), UnitChanges::EOperation::REMOVE);
break;
}
}
}
}
server->apply(&ca);

6
server/CGameHandler.cpp
View File

@@ -4920,13 +4920,13 @@ bool CGameHandler::makeBattleAction(BattleAction &ba)
switch(attackedPart)
{
case EWallPart::KEEP:
posRemove = -2;
posRemove = BattleHex::CASTLE_CENTRAL_TOWER;
break;
case EWallPart::BOTTOM_TOWER:
posRemove = -3;
posRemove = BattleHex::CASTLE_BOTTOM_TOWER;
break;
case EWallPart::UPPER_TOWER:
posRemove = -4;
posRemove = BattleHex::CASTLE_UPPER_TOWER;
break;
}