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vcmi/client/battle/BattleStacksController.cpp
Ivan Savenko 19db016473
Merge pull request #4654 from dydzio0614/any-hex-shooting
Allow targeting empty hex by shooters with multi-tile SPELL_LIKE_ABILITY
2024-09-27 19:23:33 +03:00

897 lines
27 KiB
C++

/*
* BattleStacksController.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 "BattleStacksController.h"
#include "BattleSiegeController.h"
#include "BattleInterfaceClasses.h"
#include "BattleInterface.h"
#include "BattleActionsController.h"
#include "BattleAnimationClasses.h"
#include "BattleFieldController.h"
#include "BattleEffectsController.h"
#include "BattleProjectileController.h"
#include "BattleWindow.h"
#include "BattleRenderer.h"
#include "CreatureAnimation.h"
#include "../CPlayerInterface.h"
#include "../CGameInfo.h"
#include "../gui/CGuiHandler.h"
#include "../gui/WindowHandler.h"
#include "../media/ISoundPlayer.h"
#include "../render/AssetGenerator.h"
#include "../render/Colors.h"
#include "../render/Canvas.h"
#include "../render/IRenderHandler.h"
#include "../render/Graphics.h"
#include "../render/IFont.h"
#include "../../CCallback.h"
#include "../../lib/spells/ISpellMechanics.h"
#include "../../lib/battle/BattleAction.h"
#include "../../lib/battle/BattleHex.h"
#include "../../lib/texts/TextOperations.h"
#include "../../lib/CRandomGenerator.h"
#include "../../lib/CStack.h"
static void onAnimationFinished(const CStack *stack, std::weak_ptr<CreatureAnimation> anim)
{
std::shared_ptr<CreatureAnimation> animation = anim.lock();
if(!animation)
return;
if (!stack->isFrozen() && animation->getType() == ECreatureAnimType::FROZEN)
animation->setType(ECreatureAnimType::HOLDING);
if (animation->isIdle())
{
const CCreature *creature = stack->unitType();
if (stack->isFrozen())
animation->setType(ECreatureAnimType::FROZEN);
else
if (animation->framesInGroup(ECreatureAnimType::MOUSEON) > 0)
{
if (CRandomGenerator::getDefault().nextDouble(99.0) < creature->animation.timeBetweenFidgets *10)
animation->playOnce(ECreatureAnimType::MOUSEON);
else
animation->setType(ECreatureAnimType::HOLDING);
}
else
{
animation->setType(ECreatureAnimType::HOLDING);
}
}
// always reset callback
animation->onAnimationReset += std::bind(&onAnimationFinished, stack, anim);
}
BattleStacksController::BattleStacksController(BattleInterface & owner):
owner(owner),
activeStack(nullptr),
stackToActivate(nullptr),
animIDhelper(0)
{
AssetGenerator::createCombatUnitNumberWindow();
//preparing graphics for displaying amounts of creatures
amountNormal = GH.renderHandler().loadImage(ImagePath::builtin("combatUnitNumberWindowDefault"), EImageBlitMode::COLORKEY);
amountPositive = GH.renderHandler().loadImage(ImagePath::builtin("combatUnitNumberWindowPositive"), EImageBlitMode::COLORKEY);
amountNegative = GH.renderHandler().loadImage(ImagePath::builtin("combatUnitNumberWindowNegative"), EImageBlitMode::COLORKEY);
amountEffNeutral = GH.renderHandler().loadImage(ImagePath::builtin("combatUnitNumberWindowNeutral"), EImageBlitMode::COLORKEY);
std::vector<const CStack*> stacks = owner.getBattle()->battleGetAllStacks(true);
for(const CStack * s : stacks)
{
stackAdded(s, true);
}
}
BattleHex BattleStacksController::getStackCurrentPosition(const CStack * stack) const
{
if ( !stackAnimation.at(stack->unitId())->isMoving())
return stack->getPosition();
if (stack->hasBonusOfType(BonusType::FLYING) && stackAnimation.at(stack->unitId())->getType() == ECreatureAnimType::MOVING )
return BattleHex::HEX_AFTER_ALL;
for (auto & anim : currentAnimations)
{
// certainly ugly workaround but fixes quite annoying bug
// stack position will be updated only *after* movement is finished
// before this - stack is always at its initial position. Thus we need to find
// its current position. Which can be found only in this class
if (StackMoveAnimation *move = dynamic_cast<StackMoveAnimation*>(anim))
{
if (move->stack == stack)
return std::max(move->prevHex, move->nextHex);
}
}
return stack->getPosition();
}
void BattleStacksController::collectRenderableObjects(BattleRenderer & renderer)
{
auto stacks = owner.getBattle()->battleGetAllStacks(false);
for (auto stack : stacks)
{
if (stackAnimation.find(stack->unitId()) == stackAnimation.end()) //e.g. for summoned but not yet handled stacks
continue;
//FIXME: hack to ignore ghost stacks
if ((stackAnimation[stack->unitId()]->getType() == ECreatureAnimType::DEAD || stackAnimation[stack->unitId()]->getType() == ECreatureAnimType::HOLDING) && stack->isGhost())
continue;
auto layer = stackAnimation[stack->unitId()]->isDead() ? EBattleFieldLayer::CORPSES : EBattleFieldLayer::STACKS;
auto location = getStackCurrentPosition(stack);
renderer.insert(layer, location, [this, stack]( BattleRenderer::RendererRef renderer ){
showStack(renderer, stack);
});
if (stackNeedsAmountBox(stack))
{
renderer.insert(EBattleFieldLayer::STACK_AMOUNTS, location, [this, stack]( BattleRenderer::RendererRef renderer ){
showStackAmountBox(renderer, stack);
});
}
}
}
void BattleStacksController::stackReset(const CStack * stack)
{
auto iter = stackAnimation.find(stack->unitId());
if(iter == stackAnimation.end())
{
logGlobal->error("Unit %d have no animation", stack->unitId());
return;
}
auto animation = iter->second;
if(stack->alive() && animation->isDeadOrDying())
{
owner.addToAnimationStage(EAnimationEvents::HIT, [=]()
{
addNewAnim(new ResurrectionAnimation(owner, stack));
});
}
}
void BattleStacksController::stackAdded(const CStack * stack, bool instant)
{
// Tower shooters have only their upper half visible
static const int turretCreatureAnimationHeight = 232;
stackFacingRight[stack->unitId()] = stack->unitSide() == BattleSide::ATTACKER; // must be set before getting stack position
Point coords = getStackPositionAtHex(stack->getPosition(), stack);
if(stack->initialPosition < 0) //turret
{
assert(owner.siegeController);
const CCreature *turretCreature = owner.siegeController->getTurretCreature(stack->initialPosition);
stackAnimation[stack->unitId()] = AnimationControls::getAnimation(turretCreature);
stackAnimation[stack->unitId()]->pos.h = turretCreatureAnimationHeight;
stackAnimation[stack->unitId()]->pos.w = stackAnimation[stack->unitId()]->getWidth();
// FIXME: workaround for visible animation of Medusa tails (animation disabled in H3)
if (turretCreature->getId() == CreatureID::MEDUSA )
stackAnimation[stack->unitId()]->pos.w = 250;
coords = owner.siegeController->getTurretCreaturePosition(stack->initialPosition);
}
else
{
stackAnimation[stack->unitId()] = AnimationControls::getAnimation(stack->unitType());
stackAnimation[stack->unitId()]->onAnimationReset += std::bind(&onAnimationFinished, stack, stackAnimation[stack->unitId()]);
stackAnimation[stack->unitId()]->pos.h = stackAnimation[stack->unitId()]->getHeight();
stackAnimation[stack->unitId()]->pos.w = stackAnimation[stack->unitId()]->getWidth();
}
stackAnimation[stack->unitId()]->pos.x = coords.x;
stackAnimation[stack->unitId()]->pos.y = coords.y;
stackAnimation[stack->unitId()]->setType(ECreatureAnimType::HOLDING);
if (!instant)
{
// immediately make stack transparent, giving correct shifter time to start
auto shifterFade = ColorFilter::genAlphaShifter(0);
setStackColorFilter(shifterFade, stack, nullptr, true);
owner.addToAnimationStage(EAnimationEvents::HIT, [=]()
{
addNewAnim(new ColorTransformAnimation(owner, stack, "summonFadeIn", nullptr));
if (stack->isClone())
addNewAnim(new ColorTransformAnimation(owner, stack, "cloning", SpellID(SpellID::CLONE).toSpell() ));
});
}
}
void BattleStacksController::setActiveStack(const CStack *stack)
{
if (activeStack) // update UI
stackAnimation[activeStack->unitId()]->setBorderColor(AnimationControls::getNoBorder());
activeStack = stack;
if (activeStack) // update UI
stackAnimation[activeStack->unitId()]->setBorderColor(AnimationControls::getGoldBorder());
owner.windowObject->blockUI(activeStack == nullptr);
if (activeStack)
stackAmountBoxHidden.clear();
}
bool BattleStacksController::stackNeedsAmountBox(const CStack * stack) const
{
//do not show box for singular war machines, stacked war machines with box shown are supported as extension feature
if(stack->hasBonusOfType(BonusType::SIEGE_WEAPON) && stack->getCount() == 1)
return false;
if(!stack->alive())
return false;
//hide box when target is going to die anyway - do not display "0 creatures"
if(stack->getCount() == 0)
return false;
// if stack has any ongoing animation - hide the box
if (stackAmountBoxHidden.count(stack->unitId()))
return false;
return true;
}
std::shared_ptr<IImage> BattleStacksController::getStackAmountBox(const CStack * stack)
{
std::vector<SpellID> activeSpells = stack->activeSpells();
if ( activeSpells.empty())
return amountNormal;
int effectsPositivness = 0;
for(const auto & spellID : activeSpells)
{
auto positiveness = CGI->spells()->getByIndex(spellID)->getPositiveness();
if(!boost::logic::indeterminate(positiveness))
{
if(positiveness)
effectsPositivness++;
else
effectsPositivness--;
}
}
if (effectsPositivness > 0)
return amountPositive;
if (effectsPositivness < 0)
return amountNegative;
return amountEffNeutral;
}
void BattleStacksController::showStackAmountBox(Canvas & canvas, const CStack * stack)
{
auto amountBG = getStackAmountBox(stack);
bool doubleWide = stack->doubleWide();
bool turnedRight = facingRight(stack);
bool attacker = stack->unitSide() == BattleSide::ATTACKER;
BattleHex stackPos = stack->getPosition();
// double-wide unit turned around - use opposite hex for stack label
if (doubleWide && turnedRight != attacker)
stackPos = stack->occupiedHex();
BattleHex frontPos = turnedRight ?
stackPos.cloneInDirection(BattleHex::RIGHT) :
stackPos.cloneInDirection(BattleHex::LEFT);
bool moveInside = !owner.fieldController->stackCountOutsideHex(frontPos);
Point boxPosition;
if (moveInside)
{
boxPosition = owner.fieldController->hexPositionLocal(stackPos).center() + Point(-15, 1);
}
else
{
if (turnedRight)
boxPosition = owner.fieldController->hexPositionLocal(frontPos).center() + Point (-22, 1);
else
boxPosition = owner.fieldController->hexPositionLocal(frontPos).center() + Point(-8, -14);
}
Point textPosition = Point(amountBG->dimensions().x/2 + boxPosition.x, boxPosition.y + amountBG->dimensions().y/2);
canvas.draw(amountBG, boxPosition);
canvas.drawText(textPosition, EFonts::FONT_TINY, Colors::WHITE, ETextAlignment::CENTER, TextOperations::formatMetric(stack->getCount(), 4));
}
void BattleStacksController::showStack(Canvas & canvas, const CStack * stack)
{
ColorFilter fullFilter = ColorFilter::genEmptyShifter();
for(const auto & filter : stackFilterEffects)
{
if (filter.target == stack)
fullFilter = ColorFilter::genCombined(fullFilter, filter.effect);
}
stackAnimation[stack->unitId()]->nextFrame(canvas, fullFilter, facingRight(stack)); // do actual blit
}
void BattleStacksController::tick(uint32_t msPassed)
{
updateHoveredStacks();
updateBattleAnimations(msPassed);
}
void BattleStacksController::initializeBattleAnimations()
{
auto copiedVector = currentAnimations;
for (auto & elem : copiedVector)
if (elem && !elem->isInitialized())
elem->tryInitialize();
}
void BattleStacksController::tickFrameBattleAnimations(uint32_t msPassed)
{
for (auto stack : owner.getBattle()->battleGetAllStacks(true))
{
if (stackAnimation.find(stack->unitId()) == stackAnimation.end()) //e.g. for summoned but not yet handled stacks
continue;
stackAnimation[stack->unitId()]->incrementFrame(msPassed / 1000.f);
}
// operate on copy - to prevent potential iterator invalidation due to push_back's
// FIXME? : remove remaining calls to addNewAnim from BattleAnimation::nextFrame (only Catapult explosion at the time of writing)
auto copiedVector = currentAnimations;
for (auto & elem : copiedVector)
if (elem && elem->isInitialized())
elem->tick(msPassed);
}
void BattleStacksController::updateBattleAnimations(uint32_t msPassed)
{
bool hadAnimations = !currentAnimations.empty();
initializeBattleAnimations();
tickFrameBattleAnimations(msPassed);
vstd::erase(currentAnimations, nullptr);
if (currentAnimations.empty())
owner.executeStagedAnimations();
if (hadAnimations && currentAnimations.empty())
owner.onAnimationsFinished();
initializeBattleAnimations();
}
void BattleStacksController::addNewAnim(BattleAnimation *anim)
{
if (currentAnimations.empty())
stackAmountBoxHidden.clear();
owner.onAnimationsStarted();
currentAnimations.push_back(anim);
auto stackAnimation = dynamic_cast<BattleStackAnimation*>(anim);
if(stackAnimation)
stackAmountBoxHidden.insert(stackAnimation->stack->unitId());
}
void BattleStacksController::stackRemoved(uint32_t stackID)
{
if (getActiveStack() && getActiveStack()->unitId() == stackID)
setActiveStack(nullptr);
}
void BattleStacksController::stacksAreAttacked(std::vector<StackAttackedInfo> attackedInfos)
{
owner.addToAnimationStage(EAnimationEvents::HIT, [=](){
// remove any potentially erased petrification effect
removeExpiredColorFilters();
});
for(auto & attackedInfo : attackedInfos)
{
if (!attackedInfo.attacker)
continue;
// In H3, attacked stack will not reverse on ranged attack
if (attackedInfo.indirectAttack)
continue;
// Another type of indirect attack - dragon breath
if (!CStack::isMeleeAttackPossible(attackedInfo.attacker, attackedInfo.defender))
continue;
// defender need to face in direction opposited to out attacker
bool needsReverse = shouldAttackFacingRight(attackedInfo.attacker, attackedInfo.defender) == facingRight(attackedInfo.defender);
// FIXME: this check is better, however not usable since stacksAreAttacked is called after net pack is applied - petrification is already removed
// if (needsReverse && !attackedInfo.defender->isFrozen())
if (needsReverse && stackAnimation[attackedInfo.defender->unitId()]->getType() != ECreatureAnimType::FROZEN)
{
owner.addToAnimationStage(EAnimationEvents::MOVEMENT, [=]()
{
addNewAnim(new ReverseAnimation(owner, attackedInfo.defender, attackedInfo.defender->getPosition()));
});
}
}
for(auto & attackedInfo : attackedInfos)
{
bool useDeathAnim = attackedInfo.killed;
bool useDefenceAnim = attackedInfo.defender->defendingAnim && !attackedInfo.indirectAttack && !attackedInfo.killed;
EAnimationEvents usedEvent = useDefenceAnim ? EAnimationEvents::ATTACK : EAnimationEvents::HIT;
owner.addToAnimationStage(usedEvent, [=]()
{
if (useDeathAnim)
addNewAnim(new DeathAnimation(owner, attackedInfo.defender, attackedInfo.indirectAttack));
else if(useDefenceAnim)
addNewAnim(new DefenceAnimation(owner, attackedInfo.defender));
else
addNewAnim(new HittedAnimation(owner, attackedInfo.defender));
if (attackedInfo.fireShield)
owner.effectsController->displayEffect(EBattleEffect::FIRE_SHIELD, AudioPath::builtin("FIRESHIE"), attackedInfo.attacker->getPosition());
if (attackedInfo.spellEffect != SpellID::NONE)
{
auto spell = attackedInfo.spellEffect.toSpell();
if (!spell->getCastSound().empty())
CCS->soundh->playSound(spell->getCastSound());
owner.displaySpellEffect(spell, attackedInfo.defender->getPosition());
}
});
}
for (auto & attackedInfo : attackedInfos)
{
if (attackedInfo.rebirth)
{
owner.addToAnimationStage(EAnimationEvents::AFTER_HIT, [=](){
owner.effectsController->displayEffect(EBattleEffect::RESURRECT, AudioPath::builtin("RESURECT"), attackedInfo.defender->getPosition());
addNewAnim(new ResurrectionAnimation(owner, attackedInfo.defender));
});
}
if (attackedInfo.killed && attackedInfo.defender->summoned)
{
owner.addToAnimationStage(EAnimationEvents::AFTER_HIT, [=](){
addNewAnim(new ColorTransformAnimation(owner, attackedInfo.defender, "summonFadeOut", nullptr));
stackRemoved(attackedInfo.defender->unitId());
});
}
}
owner.executeStagedAnimations();
owner.waitForAnimations();
}
void BattleStacksController::stackTeleported(const CStack *stack, std::vector<BattleHex> destHex, int distance)
{
assert(destHex.size() > 0);
//owner.checkForAnimations(); // NOTE: at this point spellcast animations were added, but not executed
owner.addToAnimationStage(EAnimationEvents::HIT, [=](){
addNewAnim( new ColorTransformAnimation(owner, stack, "teleportFadeOut", nullptr) );
});
owner.addToAnimationStage(EAnimationEvents::AFTER_HIT, [=](){
stackAnimation[stack->unitId()]->pos.moveTo(getStackPositionAtHex(destHex.back(), stack));
addNewAnim( new ColorTransformAnimation(owner, stack, "teleportFadeIn", nullptr) );
});
// animations will be executed by spell
}
void BattleStacksController::stackMoved(const CStack *stack, std::vector<BattleHex> destHex, int distance)
{
assert(destHex.size() > 0);
owner.checkForAnimations();
if(shouldRotate(stack, stack->getPosition(), destHex[0]))
{
owner.addToAnimationStage(EAnimationEvents::ROTATE, [&]()
{
addNewAnim(new ReverseAnimation(owner, stack, stack->getPosition()));
});
}
owner.addToAnimationStage(EAnimationEvents::MOVE_START, [&]()
{
addNewAnim(new MovementStartAnimation(owner, stack));
});
if (!stack->hasBonus(Selector::typeSubtype(BonusType::FLYING, BonusCustomSubtype::movementTeleporting)))
{
owner.addToAnimationStage(EAnimationEvents::MOVEMENT, [&]()
{
addNewAnim(new MovementAnimation(owner, stack, destHex, distance));
});
}
owner.addToAnimationStage(EAnimationEvents::MOVE_END, [&]()
{
addNewAnim(new MovementEndAnimation(owner, stack, destHex.back()));
});
owner.executeStagedAnimations();
owner.waitForAnimations();
}
bool BattleStacksController::shouldAttackFacingRight(const CStack * attacker, const CStack * defender)
{
bool mustReverse = owner.getBattle()->isToReverse(attacker, defender);
if (attacker->unitSide() == BattleSide::ATTACKER)
return !mustReverse;
else
return mustReverse;
}
void BattleStacksController::stackAttacking( const StackAttackInfo & info )
{
owner.checkForAnimations();
auto attacker = info.attacker;
auto defender = info.defender;
auto tile = info.tile;
auto spellEffect = info.spellEffect;
auto multiAttack = !info.secondaryDefender.empty();
bool needsReverse = false;
if (info.indirectAttack)
{
needsReverse = shouldRotate(attacker, attacker->position, info.tile);
}
else
{
needsReverse = shouldAttackFacingRight(attacker, defender) != facingRight(attacker);
}
if (needsReverse)
{
owner.addToAnimationStage(EAnimationEvents::MOVEMENT, [=]()
{
addNewAnim(new ReverseAnimation(owner, attacker, attacker->getPosition()));
});
}
if(info.lucky)
{
owner.addToAnimationStage(EAnimationEvents::BEFORE_HIT, [=]() {
owner.appendBattleLog(info.attacker->formatGeneralMessage(-45));
owner.effectsController->displayEffect(EBattleEffect::GOOD_LUCK, AudioPath::builtin("GOODLUCK"), attacker->getPosition());
});
}
if(info.unlucky)
{
owner.addToAnimationStage(EAnimationEvents::BEFORE_HIT, [=]() {
owner.appendBattleLog(info.attacker->formatGeneralMessage(-44));
owner.effectsController->displayEffect(EBattleEffect::BAD_LUCK, AudioPath::builtin("BADLUCK"), attacker->getPosition());
});
}
if(info.deathBlow)
{
owner.addToAnimationStage(EAnimationEvents::BEFORE_HIT, [=]() {
owner.appendBattleLog(info.attacker->formatGeneralMessage(365));
owner.effectsController->displayEffect(EBattleEffect::DEATH_BLOW, AudioPath::builtin("DEATHBLO"), defender->getPosition());
});
for(auto elem : info.secondaryDefender)
{
owner.addToAnimationStage(EAnimationEvents::BEFORE_HIT, [=]() {
owner.effectsController->displayEffect(EBattleEffect::DEATH_BLOW, elem->getPosition());
});
}
}
owner.addToAnimationStage(EAnimationEvents::ATTACK, [=]()
{
if (info.indirectAttack)
{
addNewAnim(new ShootingAnimation(owner, attacker, tile, defender));
}
else
{
addNewAnim(new MeleeAttackAnimation(owner, attacker, tile, defender, multiAttack));
}
});
if (info.spellEffect != SpellID::NONE)
{
owner.addToAnimationStage(EAnimationEvents::HIT, [=]()
{
owner.displaySpellHit(spellEffect.toSpell(), tile);
});
}
if (info.lifeDrain)
{
owner.addToAnimationStage(EAnimationEvents::AFTER_HIT, [=]()
{
owner.effectsController->displayEffect(EBattleEffect::DRAIN_LIFE, AudioPath::builtin("DRAINLIF"), attacker->getPosition());
});
}
//return, animation playback will be handled by stacksAreAttacked
}
bool BattleStacksController::shouldRotate(const CStack * stack, const BattleHex & oldPos, const BattleHex & nextHex) const
{
Point begPosition = getStackPositionAtHex(oldPos,stack);
Point endPosition = getStackPositionAtHex(nextHex, stack);
if((begPosition.x > endPosition.x) && facingRight(stack))
return true;
else if((begPosition.x < endPosition.x) && !facingRight(stack))
return true;
return false;
}
void BattleStacksController::endAction(const BattleAction & action)
{
owner.checkForAnimations();
//check if we should reverse stacks
TStacks stacks = owner.getBattle()->battleGetStacks(CPlayerBattleCallback::MINE_AND_ENEMY);
for (const CStack *s : stacks)
{
bool shouldFaceRight = s && s->unitSide() == BattleSide::ATTACKER;
if (s && facingRight(s) != shouldFaceRight && s->alive() && stackAnimation[s->unitId()]->isIdle())
{
addNewAnim(new ReverseAnimation(owner, s, s->getPosition()));
}
}
owner.executeStagedAnimations();
owner.waitForAnimations();
stackAmountBoxHidden.clear();
owner.windowObject->blockUI(activeStack == nullptr);
removeExpiredColorFilters();
}
void BattleStacksController::startAction(const BattleAction & action)
{
// if timer run out and we did not act in time - deactivate current stack
setActiveStack(nullptr);
removeExpiredColorFilters();
}
void BattleStacksController::stackActivated(const CStack *stack)
{
stackToActivate = stack;
owner.waitForAnimations();
logAnim->debug("Activating next stack");
owner.activateStack();
}
void BattleStacksController::deactivateStack()
{
if (!activeStack) {
return;
}
stackToActivate = activeStack;
setActiveStack(nullptr);
}
void BattleStacksController::activateStack()
{
if ( !currentAnimations.empty())
return;
if ( !stackToActivate)
return;
owner.trySetActivePlayer(stackToActivate->unitOwner());
setActiveStack(stackToActivate);
stackToActivate = nullptr;
const CStack * s = getActiveStack();
if(!s)
return;
}
const CStack* BattleStacksController::getActiveStack() const
{
return activeStack;
}
bool BattleStacksController::facingRight(const CStack * stack) const
{
return stackFacingRight.at(stack->unitId());
}
Point BattleStacksController::getStackPositionAtHex(BattleHex hexNum, const CStack * stack) const
{
Point ret(-500, -500); //returned value
if(stack && stack->initialPosition < 0) //creatures in turrets
return owner.siegeController->getTurretCreaturePosition(stack->initialPosition);
static const Point basePos(-189, -139); // position of creature in topleft corner
static const int imageShiftX = 29; // X offset to base pos for facing right stacks, negative for facing left
ret.x = basePos.x + 22 * ( (hexNum.getY() + 1)%2 ) + 44 * hexNum.getX();
ret.y = basePos.y + 42 * hexNum.getY();
if (stack)
{
if(facingRight(stack))
ret.x += imageShiftX;
else
ret.x -= imageShiftX;
//shifting position for double - hex creatures
if(stack->doubleWide())
{
if(stack->unitSide() == BattleSide::ATTACKER)
{
if(facingRight(stack))
ret.x -= 44;
}
else
{
if(!facingRight(stack))
ret.x += 44;
}
}
}
//returning
return ret;
}
void BattleStacksController::setStackColorFilter(const ColorFilter & effect, const CStack * target, const CSpell * source, bool persistent)
{
for (auto & filter : stackFilterEffects)
{
if (filter.target == target && filter.source == source)
{
filter.effect = effect;
filter.persistent = persistent;
return;
}
}
stackFilterEffects.push_back({ effect, target, source, persistent });
}
void BattleStacksController::removeExpiredColorFilters()
{
vstd::erase_if(stackFilterEffects, [&](const BattleStackFilterEffect & filter)
{
if (!filter.persistent)
{
if (filter.source && !filter.target->hasBonus(Selector::source(BonusSource::SPELL_EFFECT, BonusSourceID(filter.source->id)), Selector::all))
return true;
if (filter.effect == ColorFilter::genEmptyShifter())
return true;
}
return false;
});
}
void BattleStacksController::updateHoveredStacks()
{
auto newStacks = selectHoveredStacks();
if(newStacks.size() == 0)
owner.windowObject->updateStackInfoWindow(nullptr);
for(const auto * stack : mouseHoveredStacks)
{
if (vstd::contains(newStacks, stack))
continue;
if (stack == activeStack)
stackAnimation[stack->unitId()]->setBorderColor(AnimationControls::getGoldBorder());
else
stackAnimation[stack->unitId()]->setBorderColor(AnimationControls::getNoBorder());
}
for(const auto * stack : newStacks)
{
if (vstd::contains(mouseHoveredStacks, stack))
continue;
owner.windowObject->updateStackInfoWindow(newStacks.size() == 1 && vstd::find_pos(newStacks, stack) == 0 ? stack : nullptr);
stackAnimation[stack->unitId()]->setBorderColor(AnimationControls::getBlueBorder());
if (stackAnimation[stack->unitId()]->framesInGroup(ECreatureAnimType::MOUSEON) > 0 && stack->alive() && !stack->isFrozen())
stackAnimation[stack->unitId()]->playOnce(ECreatureAnimType::MOUSEON);
}
if(mouseHoveredStacks != newStacks)
GH.windows().totalRedraw(); //fix for frozen stack info window and blue border in action bar
mouseHoveredStacks = newStacks;
}
std::vector<const CStack *> BattleStacksController::selectHoveredStacks()
{
// only allow during our turn - do not try to highlight creatures while they are in the middle of actions
if (!activeStack)
return {};
if(owner.hasAnimations())
return {};
auto hoveredQueueUnitId = owner.windowObject->getQueueHoveredUnitId();
if(hoveredQueueUnitId.has_value())
{
return { owner.getBattle()->battleGetStackByID(hoveredQueueUnitId.value(), true) };
}
auto hoveredHex = owner.fieldController->getHoveredHex();
if (!hoveredHex.isValid())
return {};
const spells::Caster *caster = nullptr;
const CSpell *spell = nullptr;
spells::Mode mode = owner.actionsController->getCurrentCastMode();
spell = owner.actionsController->getCurrentSpell(hoveredHex);
caster = owner.actionsController->getCurrentSpellcaster();
//casting spell or in explicit spellcasting mode that also handles SPELL_LIKE_ATTACK
if(caster && spell && (owner.actionsController->currentActionSpellcasting(hoveredHex) || owner.actionsController->creatureSpellcastingModeActive()))
{
spells::Target target;
target.emplace_back(hoveredHex);
spells::BattleCast event(owner.getBattle().get(), caster, mode, spell);
auto mechanics = spell->battleMechanics(&event);
return mechanics->getAffectedStacks(target);
}
if(hoveredHex.isValid())
{
const CStack * const stack = owner.getBattle()->battleGetStackByPos(hoveredHex, true);
if (stack)
return {stack};
}
return {};
}
const std::vector<uint32_t> BattleStacksController::getHoveredStacksUnitIds() const
{
auto result = std::vector<uint32_t>();
for(const auto * stack : mouseHoveredStacks)
{
result.push_back(stack->unitId());
}
return result;
}