mirror of
https://github.com/4jcraft/4jcraft.git
synced 2026-05-29 21:22:54 +00:00
94 lines
3.1 KiB
C++
94 lines
3.1 KiB
C++
#include "MeleeAttackGoal.h"
|
|
|
|
#include <algorithm>
|
|
|
|
#include "java/Random.h"
|
|
#include "minecraft/util/Mth.h"
|
|
#include "minecraft/world/entity/LivingEntity.h"
|
|
#include "minecraft/world/entity/PathfinderMob.h"
|
|
#include "minecraft/world/entity/ai/control/Control.h"
|
|
#include "minecraft/world/entity/ai/control/LookControl.h"
|
|
#include "minecraft/world/entity/ai/navigation/PathNavigation.h"
|
|
#include "minecraft/world/entity/ai/sensing/Sensing.h"
|
|
#include "minecraft/world/level/pathfinder/Path.h"
|
|
#include "minecraft/world/phys/AABB.h"
|
|
|
|
void MeleeAttackGoal::_init(PathfinderMob* mob, double speedModifier,
|
|
bool trackTarget) {
|
|
this->attackType = eTYPE_NOTSET;
|
|
this->mob = mob;
|
|
level = mob->level;
|
|
this->speedModifier = speedModifier;
|
|
this->trackTarget = trackTarget;
|
|
setRequiredControlFlags(Control::MoveControlFlag |
|
|
Control::LookControlFlag);
|
|
|
|
attackTime = 0;
|
|
path = nullptr;
|
|
timeToRecalcPath = 0;
|
|
}
|
|
|
|
MeleeAttackGoal::MeleeAttackGoal(PathfinderMob* mob, eINSTANCEOF attackType,
|
|
double speedModifier, bool trackTarget) {
|
|
_init(mob, speedModifier, trackTarget);
|
|
this->attackType = attackType;
|
|
}
|
|
|
|
MeleeAttackGoal::MeleeAttackGoal(PathfinderMob* mob, double speedModifier,
|
|
bool trackTarget) {
|
|
_init(mob, speedModifier, trackTarget);
|
|
}
|
|
|
|
MeleeAttackGoal::~MeleeAttackGoal() = default;
|
|
|
|
bool MeleeAttackGoal::canUse() {
|
|
std::shared_ptr<LivingEntity> target = mob->getTarget();
|
|
if (target == nullptr) return false;
|
|
if (!target->isAlive()) return false;
|
|
if (attackType != eTYPE_NOTSET && !target->instanceof(attackType))
|
|
return false;
|
|
path.reset(mob->getNavigation()->createPath(target));
|
|
return path != nullptr;
|
|
}
|
|
|
|
bool MeleeAttackGoal::canContinueToUse() {
|
|
std::shared_ptr<LivingEntity> target = mob->getTarget();
|
|
if (target == nullptr) return false;
|
|
if (!target->isAlive()) return false;
|
|
if (!trackTarget) return !mob->getNavigation()->isDone();
|
|
if (!mob->isWithinRestriction(Mth::floor(target->x), Mth::floor(target->y),
|
|
Mth::floor(target->z)))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
void MeleeAttackGoal::start() {
|
|
mob->getNavigation()->moveTo(path.release(), speedModifier);
|
|
timeToRecalcPath = 0;
|
|
}
|
|
|
|
void MeleeAttackGoal::stop() { mob->getNavigation()->stop(); }
|
|
|
|
void MeleeAttackGoal::tick() {
|
|
std::shared_ptr<LivingEntity> target = mob->getTarget();
|
|
mob->getLookControl()->setLookAt(target, 30, 30);
|
|
if (trackTarget || mob->getSensing()->canSee(target)) {
|
|
if (--timeToRecalcPath <= 0) {
|
|
timeToRecalcPath = 4 + mob->getRandom()->nextInt(7);
|
|
mob->getNavigation()->moveTo(target, speedModifier);
|
|
}
|
|
}
|
|
|
|
attackTime = std::max(attackTime - 1, 0);
|
|
|
|
double meleeRadiusSqr =
|
|
(mob->bbWidth * 2) * (mob->bbWidth * 2) + target->bbWidth;
|
|
if (mob->distanceToSqr(target->x, target->bb.y0, target->z) >
|
|
meleeRadiusSqr)
|
|
return;
|
|
if (attackTime > 0) return;
|
|
attackTime = 20;
|
|
if (mob->getCarriedItem() != nullptr) mob->swing();
|
|
mob->doHurtTarget(target);
|
|
}
|