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Code Issues Releases Activity

Unified spellcasting handling with other actions

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This commit is contained in:
Ivan Savenko 2023-08-17 14:56:24 +03:00
parent 6297140bf5
commit a1d3181a98
8 changed files with 143 additions and 106 deletions
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15
AI/BattleAI/BattleAI.cpp
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@ -283,7 +283,8 @@ void CBattleAI::activeStack( const CStack * stack )
return;
}
attemptCastingSpell();
if (attemptCastingSpell())
return;
logAi->trace("Spellcast attempt completed in %lld", timeElapsed(start));
@ -476,14 +477,14 @@ BattleAction CBattleAI::useCatapult(const CStack * stack)
return attack;
}
void CBattleAI::attemptCastingSpell()
bool CBattleAI::attemptCastingSpell()
{
auto hero = cb->battleGetMyHero();
if(!hero)
return;
return false;
if(cb->battleCanCastSpell(hero, spells::Mode::HERO) != ESpellCastProblem::OK)
return;
return false;
LOGL("Casting spells sounds like fun. Let's see...");
//Get all spells we can cast
@ -522,7 +523,7 @@ void CBattleAI::attemptCastingSpell()
}
LOGFL("Found %d spell-target combinations.", possibleCasts.size());
if(possibleCasts.empty())
return;
return false;
using ValueMap = PossibleSpellcast::ValueMap;
@ -657,7 +658,7 @@ void CBattleAI::attemptCastingSpell()
if(battleIsFinishedOpt)
{
print("No need to cast a spell. Battle will finish soon.");
return;
return false;
}
}
}
@ -786,10 +787,12 @@ void CBattleAI::attemptCastingSpell()
spellcast.stackNumber = (!side) ? -1 : -2;
cb->battleMakeSpellAction(spellcast);
movesSkippedByDefense = 0;
return true;
}
else
{
LOGFL("Best spell is %s. But it is actually useless (value %d).", castToPerform.spell->getNameTranslated() % castToPerform.value);
return false;
}
}

2
AI/BattleAI/BattleAI.h
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@ -68,7 +68,7 @@ public:
~CBattleAI();
void initBattleInterface(std::shared_ptr<Environment> ENV, std::shared_ptr<CBattleCallback> CB) override;
void attemptCastingSpell();
bool attemptCastingSpell();
void evaluateCreatureSpellcast(const CStack * stack, PossibleSpellcast & ps); //for offensive damaging spells only

5
server/battles/BattleActionProcessor.cpp
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@ -136,13 +136,8 @@ bool BattleActionProcessor::doHeroSpellAction(const BattleAction & ba)
return false;
}
StartAction start_action(ba);
gameHandler->sendAndApply(&start_action); //start spell casting
parameters.cast(gameHandler->spellEnv, ba.getTarget(gameHandler->gameState()->curB));
EndAction end_action;
gameHandler->sendAndApply(&end_action);
return true;
}

8
server/battles/BattleActionProcessor.h
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@ -18,7 +18,8 @@ struct BattleHex;
class CStack;
enum class BonusType;
namespace battle {
namespace battle
{
class Unit;
class CUnitState;
}
@ -28,6 +29,7 @@ VCMI_LIB_NAMESPACE_END
class CGameHandler;
class BattleProcessor;
/// Processes incoming battle action queries and applies requested action(s)
class BattleActionProcessor : boost::noncopyable
{
using FireShieldInfo = std::vector<std::pair<const CStack *, int64_t>>;
@ -71,7 +73,5 @@ public:
explicit BattleActionProcessor(BattleProcessor * owner);
void setGameHandler(CGameHandler * newGameHandler);
bool makeBattleAction(const BattleAction &ba);
bool makeBattleAction(const BattleAction & ba);
};

178
server/battles/BattleFlowProcessor.cpp
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@ -147,6 +147,72 @@ void BattleFlowProcessor::onBattleStarted()
onTacticsEnded();
}
void BattleFlowProcessor::trySummonGuardians(const CStack * stack)
{
if (!stack->hasBonusOfType(BonusType::SUMMON_GUARDIANS))
return;
std::shared_ptr<const Bonus> summonInfo = stack->getBonus(Selector::type()(BonusType::SUMMON_GUARDIANS));
auto accessibility = gameHandler->getAccesibility();
CreatureID creatureData = CreatureID(summonInfo->subtype);
std::vector<BattleHex> targetHexes;
const bool targetIsBig = stack->unitType()->isDoubleWide(); //target = creature to guard
const bool guardianIsBig = creatureData.toCreature()->isDoubleWide();
/*Chosen idea for two hex units was to cover all possible surrounding hexes of target unit with as small number of stacks as possible.
For one-hex targets there are four guardians - front, back and one per side (up + down).
Two-hex targets are wider and the difference is there are two guardians per side to cover 3 hexes + extra hex in the front
Additionally, there are special cases for starting positions etc., where guardians would be outside of battlefield if spawned normally*/
if (!guardianIsBig)
targetHexes = stack->getSurroundingHexes();
else
summonGuardiansHelper(targetHexes, stack->getPosition(), stack->unitSide(), targetIsBig);
for(auto hex : targetHexes)
{
if(accessibility.accessible(hex, guardianIsBig, stack->unitSide())) //without this multiple creatures can occupy one hex
{
battle::UnitInfo info;
info.id = gameHandler->gameState()->curB->battleNextUnitId();
info.count = std::max(1, (int)(stack->getCount() * 0.01 * summonInfo->val));
info.type = creatureData;
info.side = stack->unitSide();
info.position = hex;
info.summoned = true;
BattleUnitsChanged pack;
pack.changedStacks.emplace_back(info.id, UnitChanges::EOperation::ADD);
info.save(pack.changedStacks.back().data);
gameHandler->sendAndApply(&pack);
}
}
}
void BattleFlowProcessor::castOpeningSpells()
{
for (int i = 0; i < 2; ++i)
{
auto h = gameHandler->gameState()->curB->battleGetFightingHero(i);
if (!h)
continue;
TConstBonusListPtr bl = h->getBonuses(Selector::type()(BonusType::OPENING_BATTLE_SPELL));
for (auto b : *bl)
{
spells::BonusCaster caster(h, b);
const CSpell * spell = SpellID(b->subtype).toSpell();
spells::BattleCast parameters(gameHandler->gameState()->curB, &caster, spells::Mode::PASSIVE, spell);
parameters.setSpellLevel(3);
parameters.setEffectDuration(b->val);
parameters.massive = true;
parameters.castIfPossible(gameHandler->spellEnv, spells::Target());
}
}
}
void BattleFlowProcessor::onTacticsEnded()
{
//initial stacks appearance triggers, e.g. built-in bonus spells
@ -154,73 +220,17 @@ void BattleFlowProcessor::onTacticsEnded()
for (CStack * stack : initialStacks)
{
if (stack->hasBonusOfType(BonusType::SUMMON_GUARDIANS))
{
std::shared_ptr<const Bonus> summonInfo = stack->getBonus(Selector::type()(BonusType::SUMMON_GUARDIANS));
auto accessibility = gameHandler->getAccesibility();
CreatureID creatureData = CreatureID(summonInfo->subtype);
std::vector<BattleHex> targetHexes;
const bool targetIsBig = stack->unitType()->isDoubleWide(); //target = creature to guard
const bool guardianIsBig = creatureData.toCreature()->isDoubleWide();
/*Chosen idea for two hex units was to cover all possible surrounding hexes of target unit with as small number of stacks as possible.
For one-hex targets there are four guardians - front, back and one per side (up + down).
Two-hex targets are wider and the difference is there are two guardians per side to cover 3 hexes + extra hex in the front
Additionally, there are special cases for starting positions etc., where guardians would be outside of battlefield if spawned normally*/
if (!guardianIsBig)
targetHexes = stack->getSurroundingHexes();
else
summonGuardiansHelper(targetHexes, stack->getPosition(), stack->unitSide(), targetIsBig);
for(auto hex : targetHexes)
{
if(accessibility.accessible(hex, guardianIsBig, stack->unitSide())) //without this multiple creatures can occupy one hex
{
battle::UnitInfo info;
info.id = gameHandler->gameState()->curB->battleNextUnitId();
info.count = std::max(1, (int)(stack->getCount() * 0.01 * summonInfo->val));
info.type = creatureData;
info.side = stack->unitSide();
info.position = hex;
info.summoned = true;
BattleUnitsChanged pack;
pack.changedStacks.emplace_back(info.id, UnitChanges::EOperation::ADD);
info.save(pack.changedStacks.back().data);
gameHandler->sendAndApply(&pack);
}
}
}
trySummonGuardians(stack);
stackEnchantedTrigger(stack);
}
//spells opening battle
for (int i = 0; i < 2; ++i)
{
auto h = gameHandler->gameState()->curB->battleGetFightingHero(i);
if (h)
{
TConstBonusListPtr bl = h->getBonuses(Selector::type()(BonusType::OPENING_BATTLE_SPELL));
castOpeningSpells();
for (auto b : *bl)
{
spells::BonusCaster caster(h, b);
const CSpell * spell = SpellID(b->subtype).toSpell();
spells::BattleCast parameters(gameHandler->gameState()->curB, &caster, spells::Mode::PASSIVE, spell);
parameters.setSpellLevel(3);
parameters.setEffectDuration(b->val);
parameters.massive = true;
parameters.castIfPossible(gameHandler->spellEnv, spells::Target());
}
}
}
// it is possible that due to opening spells one side was eliminated -> check for end of battle
owner->checkBattleStateChanges();
startNextRound(true);
activateNextStack();
}
void BattleFlowProcessor::startNextRound(bool isFirstRound)
@ -245,8 +255,6 @@ void BattleFlowProcessor::startNextRound(bool isFirstRound)
if(stack->alive() && !isFirstRound)
stackEnchantedTrigger(stack);
}
activateNextStack();
}
const CStack * BattleFlowProcessor::getNextStack()
@ -296,7 +304,13 @@ void BattleFlowProcessor::activateNextStack()
const CStack * next = getNextStack();
if (!next)
return;
{
// No stacks to move - start next round
startNextRound(false);
next = getNextStack();
if (!next)
throw std::runtime_error("Failed to find valid stack to act!");
}
BattleUnitsChanged removeGhosts;
@ -499,27 +513,41 @@ bool BattleFlowProcessor::rollGoodMorale(const CStack * next)
void BattleFlowProcessor::onActionMade(const BattleAction &ba)
{
const CStack * next = gameHandler->gameState()->curB->battleGetStackByID(ba.stackNumber);
const auto & battle = gameHandler->gameState()->curB;
const CStack * actedStack = battle->battleGetStackByID(ba.stackNumber);
const CStack * activeStack = battle->battleGetStackByID(battle->getActiveStackID());
assert(activeStack != nullptr);
//we're after action, all results applied
owner->checkBattleStateChanges(); //check if this action ended the battle
if(next == nullptr)
return;
bool heroAction = ba.actionType == EActionType::HERO_SPELL || ba.actionType ==EActionType::SURRENDER || ba.actionType ==EActionType::RETREAT || ba.actionType ==EActionType::END_TACTIC_PHASE;
bool heroAction = ba.actionType == EActionType::HERO_SPELL || ba.actionType ==EActionType::SURRENDER|| ba.actionType ==EActionType::RETREAT;
if (heroAction && next->alive())
if (heroAction)
{
// this is action made by hero AND unit is alive (e.g. not killed by casted spell)
// keep current active stack for next action
return;
if (activeStack->alive())
{
// this is action made by hero AND unit is alive (e.g. not killed by casted spell)
// keep current active stack for next action
BattleSetActiveStack sas;
sas.stack = activeStack->unitId();
gameHandler->sendAndApply(&sas);
return;
}
}
if (rollGoodMorale(next))
else
{
// Good morale - same stack makes 2nd turn
return;
assert(actedStack != nullptr);
if (rollGoodMorale(actedStack))
{
// Good morale - same stack makes 2nd turn
BattleSetActiveStack sas;
sas.stack = actedStack->unitId();
gameHandler->sendAndApply(&sas);
return;
}
}
activateNextStack();

11
server/battles/BattleFlowProcessor.h
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@ -19,6 +19,7 @@ VCMI_LIB_NAMESPACE_END
class CGameHandler;
class BattleProcessor;
/// Controls flow of battles - battle startup actions and switching to next stack or next round after actions
class BattleFlowProcessor : boost::noncopyable
{
BattleProcessor * owner;
@ -30,15 +31,17 @@ class BattleFlowProcessor : boost::noncopyable
bool tryMakeAutomaticAction(const CStack * stack);
void summonGuardiansHelper(std::vector<BattleHex> & output, const BattleHex & targetPosition, ui8 side, bool targetIsTwoHex);
void trySummonGuardians(const CStack * stack);
void castOpeningSpells();
void activateNextStack();
void startNextRound(bool isFirstRound);
void stackEnchantedTrigger(const CStack * stack);
void removeObstacle(const CObstacleInstance &obstacle);
void stackTurnTrigger(const CStack *stack);
void removeObstacle(const CObstacleInstance & obstacle);
void stackTurnTrigger(const CStack * stack);
void makeStackDoNothing(const CStack * next);
bool makeAutomaticAction(const CStack *stack, BattleAction &ba); //used when action is taken by stack without volition of player (eg. unguided catapult attack)
bool makeAutomaticAction(const CStack * stack, BattleAction & ba); //used when action is taken by stack without volition of player (eg. unguided catapult attack)
public:
explicit BattleFlowProcessor(BattleProcessor * owner);
@ -46,5 +49,5 @@ public:
void onBattleStarted();
void onTacticsEnded();
void onActionMade(const BattleAction &ba);
void onActionMade(const BattleAction & ba);
};

22
server/battles/BattleProcessor.h
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@ -27,6 +27,7 @@ class BattleActionProcessor;
class BattleFlowProcessor;
class BattleResultProcessor;
/// Main class for battle handling. Contains all public interface for battles that is accessible from outside, e.g. for CGameHandler
class BattleProcessor : boost::noncopyable
{
friend class BattleActionProcessor;
@ -39,14 +40,15 @@ class BattleProcessor : boost::noncopyable
std::unique_ptr<BattleResultProcessor> resultProcessor;
void updateGateState();
void engageIntoBattle( PlayerColor player );
void engageIntoBattle(PlayerColor player);
void checkBattleStateChanges();
void setupBattle(int3 tile, const CArmedInstance *armies[2], const CGHeroInstance *heroes[2], bool creatureBank, const CGTownInstance *town);
bool makeBattleAction(const BattleAction &ba);
bool makeBattleAction(const BattleAction & ba);
void setBattleResult(EBattleResult resultType, int victoriusSide);
public:
explicit BattleProcessor(CGameHandler * gameHandler);
BattleProcessor();
@ -54,14 +56,20 @@ public:
void setGameHandler(CGameHandler * gameHandler);
void startBattlePrimary(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, const CGHeroInstance *hero1, const CGHeroInstance *hero2, bool creatureBank = false, const CGTownInstance *town = nullptr); //use hero=nullptr for no hero
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, bool creatureBank = false); //if any of armies is hero, hero will be used
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, bool creatureBank = false); //if any of armies is hero, hero will be used, visitable tile of second obj is place of battle
/// Starts battle with specified parameters
void startBattlePrimary(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, const CGHeroInstance *hero1, const CGHeroInstance *hero2, bool creatureBank = false, const CGTownInstance *town = nullptr);
/// Starts battle between two armies (which can also be heroes) at specified tile
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, int3 tile, bool creatureBank = false);
/// Starts battle between two armies (which can also be heroes) at position of 2nd object
void startBattleI(const CArmedInstance *army1, const CArmedInstance *army2, bool creatureBank = false);
bool makeBattleAction(PlayerColor player, BattleAction &ba);
/// Processing of incoming battle action netpack
bool makeBattleAction(PlayerColor player, BattleAction & ba);
/// Applies results of a battle once player agrees to them
void endBattleConfirm(const BattleInfo * battleInfo);
void battleAfterLevelUp(const BattleResult &result);
/// Applies results of a battle after potential levelup
void battleAfterLevelUp(const BattleResult & result);
template <typename Handler> void serialize(Handler &h, const int version)
{

8
server/battles/BattleResultProcessor.h
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@ -24,7 +24,7 @@ struct CasualtiesAfterBattle
{
using TStackAndItsNewCount = std::pair<StackLocation, int>;
using TSummoned = std::map<CreatureID, TQuantity>;
enum {ERASE = -1};
// enum {ERASE = -1};
const CArmedInstance * army;
std::vector<TStackAndItsNewCount> newStackCounts;
std::vector<ArtifactLocation> removedWarMachines;
@ -32,7 +32,7 @@ struct CasualtiesAfterBattle
ObjectInstanceID heroWithDeadCommander; //TODO: unify stack locations
CasualtiesAfterBattle(const SideInBattle & battleSide, const BattleInfo * bat);
void updateArmy(CGameHandler *gh);
void updateArmy(CGameHandler * gh);
};
struct FinishingBattleHelper
@ -61,7 +61,7 @@ struct FinishingBattleHelper
class BattleResultProcessor : boost::noncopyable
{
// BattleProcessor * owner;
// BattleProcessor * owner;
CGameHandler * gameHandler;
std::unique_ptr<BattleResult> battleResult;
@ -74,5 +74,5 @@ public:
void setBattleResult(EBattleResult resultType, int victoriusSide);
void endBattle(int3 tile, const CGHeroInstance * hero1, const CGHeroInstance * hero2); //ends battle
void endBattleConfirm(const BattleInfo * battleInfo);
void battleAfterLevelUp(const BattleResult &result);
void battleAfterLevelUp(const BattleResult & result);
};