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vcmi/client/battle/CBattleActionsController.cpp
Ivan Savenko 6b3beb05e5 BattleInt split is finished, start of refactoring: 
- Refactoring of siege controller code
- Replaced some usages of C struct SDL_Surface with proper c++ class
IImage
- Refactoring of rendering of battlefield objects (WIP)
2022-11-25 00:26:14 +02:00

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/*
* CBattleActionsController.cpp, part of VCMI engine
*
* Authors: listed in file AUTHORS in main folder
*
* License: GNU General Public License v2.0 or later
* Full text of license available in license.txt file, in main folder
*
*/
#include "StdInc.h"
#include "CBattleActionsController.h"
#include "CBattleControlPanel.h"
#include "CBattleStacksController.h"
#include "CBattleInterface.h"
#include "CBattleFieldController.h"
#include "CBattleSiegeController.h"
#include "CBattleInterfaceClasses.h"
#include "../gui/CCursorHandler.h"
#include "../gui/CGuiHandler.h"
#include "../gui/CIntObject.h"
#include "../windows/CCreatureWindow.h"
#include "../CGameInfo.h"
#include "../CPlayerInterface.h"
#include "../../CCallback.h"
#include "../../lib/CStack.h"
#include "../../lib/battle/BattleAction.h"
#include "../../lib/spells/CSpellHandler.h"
#include "../../lib/spells/ISpellMechanics.h"
#include "../../lib/spells/Problem.h"
#include "../../lib/CGeneralTextHandler.h"
static std::string formatDmgRange(std::pair<ui32, ui32> dmgRange)
{
if (dmgRange.first != dmgRange.second)
return (boost::format("%d - %d") % dmgRange.first % dmgRange.second).str();
else
return (boost::format("%d") % dmgRange.first).str();
}
CBattleActionsController::CBattleActionsController(CBattleInterface * owner):
owner(owner),
creatureCasting(false),
spellDestSelectMode(false),
spellToCast(nullptr),
sp(nullptr)
{
currentAction = PossiblePlayerBattleAction::INVALID;
selectedAction = PossiblePlayerBattleAction::INVALID;
}
void CBattleActionsController::endCastingSpell()
{
if(spellDestSelectMode)
{
spellToCast.reset();
sp = nullptr;
spellDestSelectMode = false;
CCS->curh->changeGraphic(ECursor::COMBAT, ECursor::COMBAT_POINTER);
if(owner->stacksController->getActiveStack())
{
possibleActions = getPossibleActionsForStack(owner->stacksController->getActiveStack()); //restore actions after they were cleared
owner->myTurn = true;
}
}
else
{
if(owner->stacksController->getActiveStack())
{
possibleActions = getPossibleActionsForStack(owner->stacksController->getActiveStack());
GH.fakeMouseMove();
}
}
}
void CBattleActionsController::enterCreatureCastingMode()
{
//silently check for possible errors
if (!owner->myTurn)
return;
if (owner->tacticsMode)
return;
//hero is casting a spell
if (spellDestSelectMode)
return;
if (!owner->stacksController->getActiveStack())
return;
if (!owner->stacksController->activeStackSpellcaster())
return;
//random spellcaster
if (owner->stacksController->activeStackSpellToCast() == SpellID::NONE)
return;
if (vstd::contains(possibleActions, PossiblePlayerBattleAction::NO_LOCATION))
{
const spells::Caster * caster = owner->stacksController->getActiveStack();
const CSpell * spell = owner->stacksController->activeStackSpellToCast().toSpell();
spells::Target target;
target.emplace_back();
spells::BattleCast cast(owner->curInt->cb.get(), caster, spells::Mode::CREATURE_ACTIVE, spell);
auto m = spell->battleMechanics(&cast);
spells::detail::ProblemImpl ignored;
const bool isCastingPossible = m->canBeCastAt(target, ignored);
if (isCastingPossible)
{
owner->myTurn = false;
owner->giveCommand(EActionType::MONSTER_SPELL, BattleHex::INVALID, owner->stacksController->activeStackSpellToCast());
owner->stacksController->setSelectedStack(nullptr);
CCS->curh->changeGraphic(ECursor::COMBAT, ECursor::COMBAT_POINTER);
}
}
else
{
possibleActions = getPossibleActionsForStack(owner->stacksController->getActiveStack());
auto actionFilterPredicate = [](const PossiblePlayerBattleAction x)
{
return (x != PossiblePlayerBattleAction::ANY_LOCATION) && (x != PossiblePlayerBattleAction::NO_LOCATION) &&
(x != PossiblePlayerBattleAction::FREE_LOCATION) && (x != PossiblePlayerBattleAction::AIMED_SPELL_CREATURE) &&
(x != PossiblePlayerBattleAction::OBSTACLE);
};
vstd::erase_if(possibleActions, actionFilterPredicate);
GH.fakeMouseMove();
}
}
std::vector<PossiblePlayerBattleAction> CBattleActionsController::getPossibleActionsForStack(const CStack *stack)
{
BattleClientInterfaceData data; //hard to get rid of these things so for now they're required data to pass
data.creatureSpellToCast = owner->stacksController->activeStackSpellToCast();
data.tacticsMode = owner->tacticsMode;
auto allActions = owner->curInt->cb->getClientActionsForStack(stack, data);
return std::vector<PossiblePlayerBattleAction>(allActions);
}
void CBattleActionsController::reorderPossibleActionsPriority(const CStack * stack, MouseHoveredHexContext context)
{
if(owner->tacticsMode || possibleActions.empty()) return; //this function is not supposed to be called in tactics mode or before getPossibleActionsForStack
auto assignPriority = [&](PossiblePlayerBattleAction const & item) -> uint8_t //large lambda assigning priority which would have to be part of possibleActions without it
{
switch(item)
{
case PossiblePlayerBattleAction::AIMED_SPELL_CREATURE:
case PossiblePlayerBattleAction::ANY_LOCATION:
case PossiblePlayerBattleAction::NO_LOCATION:
case PossiblePlayerBattleAction::FREE_LOCATION:
case PossiblePlayerBattleAction::OBSTACLE:
if(!stack->hasBonusOfType(Bonus::NO_SPELLCAST_BY_DEFAULT) && context == MouseHoveredHexContext::OCCUPIED_HEX)
return 1;
else
return 100;//bottom priority
break;
case PossiblePlayerBattleAction::RANDOM_GENIE_SPELL:
return 2; break;
case PossiblePlayerBattleAction::RISE_DEMONS:
return 3; break;
case PossiblePlayerBattleAction::SHOOT:
return 4; break;
case PossiblePlayerBattleAction::ATTACK_AND_RETURN:
return 5; break;
case PossiblePlayerBattleAction::ATTACK:
return 6; break;
case PossiblePlayerBattleAction::WALK_AND_ATTACK:
return 7; break;
case PossiblePlayerBattleAction::MOVE_STACK:
return 8; break;
case PossiblePlayerBattleAction::CATAPULT:
return 9; break;
case PossiblePlayerBattleAction::HEAL:
return 10; break;
default:
return 200; break;
}
};
auto comparer = [&](PossiblePlayerBattleAction const & lhs, PossiblePlayerBattleAction const & rhs)
{
return assignPriority(lhs) > assignPriority(rhs);
};
std::make_heap(possibleActions.begin(), possibleActions.end(), comparer);
}
void CBattleActionsController::castThisSpell(SpellID spellID)
{
spellToCast = std::make_shared<BattleAction>();
spellToCast->actionType = EActionType::HERO_SPELL;
spellToCast->actionSubtype = spellID; //spell number
spellToCast->stackNumber = (owner->attackingHeroInstance->tempOwner == owner->curInt->playerID) ? -1 : -2;
spellToCast->side = owner->defendingHeroInstance ? (owner->curInt->playerID == owner->defendingHeroInstance->tempOwner) : false;
spellDestSelectMode = true;
creatureCasting = false;
//choosing possible targets
const CGHeroInstance *castingHero = (owner->attackingHeroInstance->tempOwner == owner->curInt->playerID) ? owner->attackingHeroInstance : owner->defendingHeroInstance;
assert(castingHero); // code below assumes non-null hero
sp = spellID.toSpell();
PossiblePlayerBattleAction spellSelMode = owner->curInt->cb->getCasterAction(sp, castingHero, spells::Mode::HERO);
if (spellSelMode == PossiblePlayerBattleAction::NO_LOCATION) //user does not have to select location
{
spellToCast->aimToHex(BattleHex::INVALID);
owner->curInt->cb->battleMakeAction(spellToCast.get());
endCastingSpell();
}
else
{
possibleActions.clear();
possibleActions.push_back (spellSelMode); //only this one action can be performed at the moment
GH.fakeMouseMove();//update cursor
}
}
void CBattleActionsController::handleHex(BattleHex myNumber, int eventType)
{
if (!owner->myTurn || !owner->battleActionsStarted) //we are not permit to do anything
return;
// This function handles mouse move over hexes and l-clicking on them.
// First we decide what happens if player clicks on this hex and set appropriately
// consoleMsg, cursorFrame/Type and prepare lambda realizeAction.
//
// Then, depending whether it was hover/click we either call the action or set tooltip/cursor.
//used when hovering -> tooltip message and cursor to be set
std::string consoleMsg;
bool setCursor = true; //if we want to suppress setting cursor
ECursor::ECursorTypes cursorType = ECursor::COMBAT;
int cursorFrame = ECursor::COMBAT_POINTER; //TODO: is this line used?
//used when l-clicking -> action to be called upon the click
std::function<void()> realizeAction;
//Get stack on the hex - first try to grab the alive one, if not found -> allow dead stacks.
const CStack * shere = owner->curInt->cb->battleGetStackByPos(myNumber, true);
if(!shere)
shere = owner->curInt->cb->battleGetStackByPos(myNumber, false);
if(!owner->stacksController->getActiveStack())
return;
bool ourStack = false;
if (shere)
ourStack = shere->owner == owner->curInt->playerID;
//stack may have changed, update selection border
owner->stacksController->setHoveredStack(shere);
localActions.clear();
illegalActions.clear();
reorderPossibleActionsPriority(owner->stacksController->getActiveStack(), shere ? MouseHoveredHexContext::OCCUPIED_HEX : MouseHoveredHexContext::UNOCCUPIED_HEX);
const bool forcedAction = possibleActions.size() == 1;
for (PossiblePlayerBattleAction action : possibleActions)
{
bool legalAction = false; //this action is legal and can be performed
bool notLegal = false; //this action is not legal and should display message
switch (action)
{
case PossiblePlayerBattleAction::CHOOSE_TACTICS_STACK:
if (shere && ourStack)
legalAction = true;
break;
case PossiblePlayerBattleAction::MOVE_TACTICS:
case PossiblePlayerBattleAction::MOVE_STACK:
{
if (!(shere && shere->alive())) //we can walk on dead stacks
{
if(canStackMoveHere(owner->stacksController->getActiveStack(), myNumber))
legalAction = true;
}
break;
}
case PossiblePlayerBattleAction::ATTACK:
case PossiblePlayerBattleAction::WALK_AND_ATTACK:
case PossiblePlayerBattleAction::ATTACK_AND_RETURN:
{
if(owner->curInt->cb->battleCanAttack(owner->stacksController->getActiveStack(), shere, myNumber))
{
if (owner->fieldController->isTileAttackable(myNumber)) // move isTileAttackable to be part of battleCanAttack?
{
owner->fieldController->setBattleCursor(myNumber); // temporary - needed for following function :(
BattleHex attackFromHex = owner->fieldController->fromWhichHexAttack(myNumber);
if (attackFromHex >= 0) //we can be in this line when unreachable creature is L - clicked (as of revision 1308)
legalAction = true;
}
}
}
break;
case PossiblePlayerBattleAction::SHOOT:
if(owner->curInt->cb->battleCanShoot(owner->stacksController->getActiveStack(), myNumber))
legalAction = true;
break;
case PossiblePlayerBattleAction::ANY_LOCATION:
if (myNumber > -1) //TODO: this should be checked for all actions
{
if(isCastingPossibleHere(owner->stacksController->getActiveStack(), shere, myNumber))
legalAction = true;
}
break;
case PossiblePlayerBattleAction::AIMED_SPELL_CREATURE:
if(shere && isCastingPossibleHere(owner->stacksController->getActiveStack(), shere, myNumber))
legalAction = true;
break;
case PossiblePlayerBattleAction::RANDOM_GENIE_SPELL:
{
if(shere && ourStack && shere != owner->stacksController->getActiveStack() && shere->alive()) //only positive spells for other allied creatures
{
int spellID = owner->curInt->cb->battleGetRandomStackSpell(CRandomGenerator::getDefault(), shere, CBattleInfoCallback::RANDOM_GENIE);
if(spellID > -1)
{
legalAction = true;
}
}
}
break;
case PossiblePlayerBattleAction::OBSTACLE:
if(isCastingPossibleHere(owner->stacksController->getActiveStack(), shere, myNumber))
legalAction = true;
break;
case PossiblePlayerBattleAction::TELEPORT:
{
//todo: move to mechanics
ui8 skill = 0;
if (creatureCasting)
skill = owner->stacksController->getActiveStack()->getEffectLevel(SpellID(SpellID::TELEPORT).toSpell());
else
skill = owner->getActiveHero()->getEffectLevel(SpellID(SpellID::TELEPORT).toSpell());
//TODO: explicitely save power, skill
if (owner->curInt->cb->battleCanTeleportTo(owner->stacksController->getSelectedStack(), myNumber, skill))
legalAction = true;
else
notLegal = true;
}
break;
case PossiblePlayerBattleAction::SACRIFICE: //choose our living stack to sacrifice
if (shere && shere != owner->stacksController->getSelectedStack() && ourStack && shere->alive())
legalAction = true;
else
notLegal = true;
break;
case PossiblePlayerBattleAction::FREE_LOCATION:
legalAction = true;
if(!isCastingPossibleHere(owner->stacksController->getActiveStack(), shere, myNumber))
{
legalAction = false;
notLegal = true;
}
break;
case PossiblePlayerBattleAction::CATAPULT:
if (owner->siegeController && owner->siegeController->isAttackableByCatapult(myNumber))
legalAction = true;
break;
case PossiblePlayerBattleAction::HEAL:
if (shere && ourStack && shere->canBeHealed())
legalAction = true;
break;
case PossiblePlayerBattleAction::RISE_DEMONS:
if (shere && ourStack && !shere->alive())
{
if (!(shere->hasBonusOfType(Bonus::UNDEAD)
|| shere->hasBonusOfType(Bonus::NON_LIVING)
|| shere->hasBonusOfType(Bonus::GARGOYLE)
|| shere->summoned
|| shere->isClone()
|| shere->hasBonusOfType(Bonus::SIEGE_WEAPON)
))
legalAction = true;
}
break;
}
if (legalAction)
localActions.push_back (action);
else if (notLegal || forcedAction)
illegalActions.push_back (action);
}
illegalAction = PossiblePlayerBattleAction::INVALID; //clear it in first place
if (vstd::contains(localActions, selectedAction)) //try to use last selected action by default
currentAction = selectedAction;
else if (localActions.size()) //if not possible, select first available action (they are sorted by suggested priority)
currentAction = localActions.front();
else //no legal action possible
{
currentAction = PossiblePlayerBattleAction::INVALID; //don't allow to do anything
if (vstd::contains(illegalActions, selectedAction))
illegalAction = selectedAction;
else if (illegalActions.size())
illegalAction = illegalActions.front();
else if (shere && ourStack && shere->alive()) //last possibility - display info about our creature
{
currentAction = PossiblePlayerBattleAction::CREATURE_INFO;
}
else
illegalAction = PossiblePlayerBattleAction::INVALID; //we should never be here
}
bool isCastingPossible = false;
bool secondaryTarget = false;
if (currentAction > PossiblePlayerBattleAction::INVALID)
{
switch (currentAction) //display console message, realize selected action
{
case PossiblePlayerBattleAction::CHOOSE_TACTICS_STACK:
consoleMsg = (boost::format(CGI->generaltexth->allTexts[481]) % shere->getName()).str(); //Select %s
realizeAction = [=](){ owner->stackActivated(shere); };
break;
case PossiblePlayerBattleAction::MOVE_TACTICS:
case PossiblePlayerBattleAction::MOVE_STACK:
if (owner->stacksController->getActiveStack()->hasBonusOfType(Bonus::FLYING))
{
cursorFrame = ECursor::COMBAT_FLY;
consoleMsg = (boost::format(CGI->generaltexth->allTexts[295]) % owner->stacksController->getActiveStack()->getName()).str(); //Fly %s here
}
else
{
cursorFrame = ECursor::COMBAT_MOVE;
consoleMsg = (boost::format(CGI->generaltexth->allTexts[294]) % owner->stacksController->getActiveStack()->getName()).str(); //Move %s here
}
realizeAction = [=]()
{
if(owner->stacksController->getActiveStack()->doubleWide())
{
std::vector<BattleHex> acc = owner->curInt->cb->battleGetAvailableHexes(owner->stacksController->getActiveStack());
BattleHex shiftedDest = myNumber.cloneInDirection(owner->stacksController->getActiveStack()->destShiftDir(), false);
if(vstd::contains(acc, myNumber))
owner->giveCommand(EActionType::WALK, myNumber);
else if(vstd::contains(acc, shiftedDest))
owner->giveCommand(EActionType::WALK, shiftedDest);
}
else
{
owner->giveCommand(EActionType::WALK, myNumber);
}
};
break;
case PossiblePlayerBattleAction::ATTACK:
case PossiblePlayerBattleAction::WALK_AND_ATTACK:
case PossiblePlayerBattleAction::ATTACK_AND_RETURN: //TODO: allow to disable return
{
owner->fieldController->setBattleCursor(myNumber); //handle direction of cursor and attackable tile
setCursor = false; //don't overwrite settings from the call above //TODO: what does it mean?
bool returnAfterAttack = currentAction == PossiblePlayerBattleAction::ATTACK_AND_RETURN;
realizeAction = [=]()
{
BattleHex attackFromHex = owner->fieldController->fromWhichHexAttack(myNumber);
if(attackFromHex.isValid()) //we can be in this line when unreachable creature is L - clicked (as of revision 1308)
{
auto command = new BattleAction(BattleAction::makeMeleeAttack(owner->stacksController->getActiveStack(), myNumber, attackFromHex, returnAfterAttack));
owner->sendCommand(command, owner->stacksController->getActiveStack());
}
};
TDmgRange damage = owner->curInt->cb->battleEstimateDamage(owner->stacksController->getActiveStack(), shere);
std::string estDmgText = formatDmgRange(std::make_pair((ui32)damage.first, (ui32)damage.second)); //calculating estimated dmg
consoleMsg = (boost::format(CGI->generaltexth->allTexts[36]) % shere->getName() % estDmgText).str(); //Attack %s (%s damage)
}
break;
case PossiblePlayerBattleAction::SHOOT:
{
if (owner->curInt->cb->battleHasShootingPenalty(owner->stacksController->getActiveStack(), myNumber))
cursorFrame = ECursor::COMBAT_SHOOT_PENALTY;
else
cursorFrame = ECursor::COMBAT_SHOOT;
realizeAction = [=](){owner->giveCommand(EActionType::SHOOT, myNumber);};
TDmgRange damage = owner->curInt->cb->battleEstimateDamage(owner->stacksController->getActiveStack(), shere);
std::string estDmgText = formatDmgRange(std::make_pair((ui32)damage.first, (ui32)damage.second)); //calculating estimated dmg
//printing - Shoot %s (%d shots left, %s damage)
consoleMsg = (boost::format(CGI->generaltexth->allTexts[296]) % shere->getName() % owner->stacksController->getActiveStack()->shots.available() % estDmgText).str();
}
break;
case PossiblePlayerBattleAction::AIMED_SPELL_CREATURE:
sp = CGI->spellh->objects[creatureCasting ? owner->stacksController->activeStackSpellToCast() : spellToCast->actionSubtype]; //necessary if creature has random Genie spell at same time
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[27]) % sp->name % shere->getName()); //Cast %s on %s
switch (sp->id)
{
case SpellID::SACRIFICE:
case SpellID::TELEPORT:
owner->stacksController->setSelectedStack(shere); //remember first target
secondaryTarget = true;
break;
}
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::ANY_LOCATION:
sp = CGI->spellh->objects[creatureCasting ? owner->stacksController->activeStackSpellToCast() : spellToCast->actionSubtype]; //necessary if creature has random Genie spell at same time
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[26]) % sp->name); //Cast %s
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::RANDOM_GENIE_SPELL: //we assume that teleport / sacrifice will never be available as random spell
sp = nullptr;
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[301]) % shere->getName()); //Cast a spell on %
creatureCasting = true;
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::TELEPORT:
consoleMsg = CGI->generaltexth->allTexts[25]; //Teleport Here
cursorFrame = ECursor::COMBAT_TELEPORT;
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::OBSTACLE:
consoleMsg = CGI->generaltexth->allTexts[550];
//TODO: remove obstacle cursor
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::SACRIFICE:
consoleMsg = (boost::format(CGI->generaltexth->allTexts[549]) % shere->getName()).str(); //sacrifice the %s
cursorFrame = ECursor::COMBAT_SACRIFICE;
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::FREE_LOCATION:
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[26]) % sp->name); //Cast %s
isCastingPossible = true;
break;
case PossiblePlayerBattleAction::HEAL:
cursorFrame = ECursor::COMBAT_HEAL;
consoleMsg = (boost::format(CGI->generaltexth->allTexts[419]) % shere->getName()).str(); //Apply first aid to the %s
realizeAction = [=](){ owner->giveCommand(EActionType::STACK_HEAL, myNumber); }; //command healing
break;
case PossiblePlayerBattleAction::RISE_DEMONS:
cursorType = ECursor::SPELLBOOK;
realizeAction = [=]()
{
owner->giveCommand(EActionType::DAEMON_SUMMONING, myNumber);
};
break;
case PossiblePlayerBattleAction::CATAPULT:
cursorFrame = ECursor::COMBAT_SHOOT_CATAPULT;
realizeAction = [=](){ owner->giveCommand(EActionType::CATAPULT, myNumber); };
break;
case PossiblePlayerBattleAction::CREATURE_INFO:
{
cursorFrame = ECursor::COMBAT_QUERY;
consoleMsg = (boost::format(CGI->generaltexth->allTexts[297]) % shere->getName()).str();
realizeAction = [=](){ GH.pushIntT<CStackWindow>(shere, false); };
break;
}
}
}
else //no possible valid action, display message
{
switch (illegalAction)
{
case PossiblePlayerBattleAction::AIMED_SPELL_CREATURE:
case PossiblePlayerBattleAction::RANDOM_GENIE_SPELL:
cursorFrame = ECursor::COMBAT_BLOCKED;
consoleMsg = CGI->generaltexth->allTexts[23];
break;
case PossiblePlayerBattleAction::TELEPORT:
cursorFrame = ECursor::COMBAT_BLOCKED;
consoleMsg = CGI->generaltexth->allTexts[24]; //Invalid Teleport Destination
break;
case PossiblePlayerBattleAction::SACRIFICE:
consoleMsg = CGI->generaltexth->allTexts[543]; //choose army to sacrifice
break;
case PossiblePlayerBattleAction::FREE_LOCATION:
cursorFrame = ECursor::COMBAT_BLOCKED;
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[181]) % sp->name); //No room to place %s here
break;
default:
if (myNumber == -1)
CCS->curh->changeGraphic(ECursor::COMBAT, ECursor::COMBAT_POINTER); //set neutral cursor over menu etc.
else
cursorFrame = ECursor::COMBAT_BLOCKED;
break;
}
}
if (isCastingPossible) //common part
{
switch (currentAction) //don't use that with teleport / sacrifice
{
case PossiblePlayerBattleAction::TELEPORT: //FIXME: more generic solution?
case PossiblePlayerBattleAction::SACRIFICE:
break;
default:
cursorType = ECursor::SPELLBOOK;
cursorFrame = 0;
if (consoleMsg.empty() && sp)
consoleMsg = boost::str(boost::format(CGI->generaltexth->allTexts[26]) % sp->name); //Cast %s
break;
}
realizeAction = [=]()
{
if(secondaryTarget) //select that target now
{
possibleActions.clear();
switch (sp->id.toEnum())
{
case SpellID::TELEPORT: //don't cast spell yet, only select target
spellToCast->aimToUnit(shere);
possibleActions.push_back(PossiblePlayerBattleAction::TELEPORT);
break;
case SpellID::SACRIFICE:
spellToCast->aimToHex(myNumber);
possibleActions.push_back(PossiblePlayerBattleAction::SACRIFICE);
break;
}
}
else
{
if (creatureCasting)
{
if (sp)
{
owner->giveCommand(EActionType::MONSTER_SPELL, myNumber, owner->stacksController->activeStackSpellToCast());
}
else //unknown random spell
{
owner->giveCommand(EActionType::MONSTER_SPELL, myNumber);
}
}
else
{
assert(sp);
switch (sp->id.toEnum())
{
case SpellID::SACRIFICE:
spellToCast->aimToUnit(shere);//victim
break;
default:
spellToCast->aimToHex(myNumber);
break;
}
owner->curInt->cb->battleMakeAction(spellToCast.get());
endCastingSpell();
}
owner->stacksController->setSelectedStack(nullptr);
}
};
}
{
if (eventType == CIntObject::MOVE)
{
if (setCursor)
CCS->curh->changeGraphic(cursorType, cursorFrame);
owner->controlPanel->console->write(consoleMsg);
}
if (eventType == CIntObject::LCLICK && realizeAction)
{
//opening creature window shouldn't affect myTurn...
if ((currentAction != PossiblePlayerBattleAction::CREATURE_INFO) && !secondaryTarget)
{
owner->myTurn = false; //tends to crash with empty calls
}
realizeAction();
if (!secondaryTarget) //do not replace teleport or sacrifice cursor
CCS->curh->changeGraphic(ECursor::COMBAT, ECursor::COMBAT_POINTER);
owner->controlPanel->console->clear();
}
}
}
bool CBattleActionsController::isCastingPossibleHere(const CStack *sactive, const CStack *shere, BattleHex myNumber)
{
creatureCasting = owner->stacksController->activeStackSpellcaster() && !spellDestSelectMode; //TODO: allow creatures to cast aimed spells
bool isCastingPossible = true;
int spellID = -1;
if (creatureCasting)
{
if (owner->stacksController->activeStackSpellToCast() != SpellID::NONE && (shere != sactive)) //can't cast on itself
spellID = owner->stacksController->activeStackSpellToCast(); //TODO: merge with SpellTocast?
}
else //hero casting
{
spellID = spellToCast->actionSubtype;
}
sp = nullptr;
if (spellID >= 0)
sp = CGI->spellh->objects[spellID];
if (sp)
{
const spells::Caster *caster = creatureCasting ? static_cast<const spells::Caster *>(sactive) : static_cast<const spells::Caster *>(owner->curInt->cb->battleGetMyHero());
if (caster == nullptr)
{
isCastingPossible = false;//just in case
}
else
{
const spells::Mode mode = creatureCasting ? spells::Mode::CREATURE_ACTIVE : spells::Mode::HERO;
spells::Target target;
target.emplace_back(myNumber);
spells::BattleCast cast(owner->curInt->cb.get(), caster, mode, sp);
auto m = sp->battleMechanics(&cast);
spells::detail::ProblemImpl problem; //todo: display problem in status bar
isCastingPossible = m->canBeCastAt(target, problem);
}
}
else
isCastingPossible = false;
if (!myNumber.isAvailable() && !shere) //empty tile outside battlefield (or in the unavailable border column)
isCastingPossible = false;
return isCastingPossible;
}
bool CBattleActionsController::canStackMoveHere(const CStack * stackToMove, BattleHex myNumber)
{
std::vector<BattleHex> acc = owner->curInt->cb->battleGetAvailableHexes(stackToMove);
BattleHex shiftedDest = myNumber.cloneInDirection(stackToMove->destShiftDir(), false);
if (vstd::contains(acc, myNumber))
return true;
else if (stackToMove->doubleWide() && vstd::contains(acc, shiftedDest))
return true;
else
return false;
}
void CBattleActionsController::activateStack()
{
const CStack * s = owner->stacksController->getActiveStack();
if(s)
possibleActions = getPossibleActionsForStack(s);
}
bool CBattleActionsController::spellcastingModeActive()
{
return spellDestSelectMode;
}
SpellID CBattleActionsController::selectedSpell()
{
if (!spellToCast)
return SpellID::NONE;
return SpellID(spellToCast->actionSubtype);
}
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