4jcraft/Minecraft.World/AI/Goals/BreakDoorGoal.cpp

#include "../../Platform/stdafx.h"
#include "../../Headers/net.minecraft.world.entity.h"
#include "../../Headers/net.minecraft.world.level.h"
#include "../../Headers/net.minecraft.world.level.tile.h"
#include "../../Headers/net.minecraft.world.h"
#include "../../Util/SharedConstants.h"
#include "BreakDoorGoal.h"

BreakDoorGoal::BreakDoorGoal(Mob* mob) : DoorInteractGoal(mob) {
    breakTime = 0;
    lastBreakProgress = -1;
}

bool BreakDoorGoal::canUse() {
    if (!DoorInteractGoal::canUse()) return false;
    if (!mob->level->getGameRules()->getBoolean(GameRules::RULE_MOBGRIEFING))
        return false;
    return !doorTile->isOpen(mob->level, doorX, doorY, doorZ);
}

void BreakDoorGoal::start() {
    DoorInteractGoal::start();
    breakTime = 0;
}

bool BreakDoorGoal::canContinueToUse() {
    double d = mob->distanceToSqr(doorX, doorY, doorZ);
    return breakTime <= DOOR_BREAK_TIME &&
           !doorTile->isOpen(mob->level, doorX, doorY, doorZ) && d < 2 * 2;
}

void BreakDoorGoal::stop() {
    DoorInteractGoal::stop();
    mob->level->destroyTileProgress(mob->entityId, doorX, doorY, doorZ, -1);
}

void BreakDoorGoal::tick() {
    DoorInteractGoal::tick();
    if (mob->getRandom()->nextInt(20) == 0) {
        mob->level->levelEvent(LevelEvent::SOUND_ZOMBIE_WOODEN_DOOR, doorX,
                               doorY, doorZ, 0);
    }

    breakTime++;

    int progress = (int)(breakTime / (float)DOOR_BREAK_TIME * 10);
    if (progress != lastBreakProgress) {
        mob->level->destroyTileProgress(mob->entityId, doorX, doorY, doorZ,
                                        progress);
        lastBreakProgress = progress;
    }

    if (breakTime == DOOR_BREAK_TIME) {
        if (mob->level->difficulty == Difficulty::HARD) {
            mob->level->removeTile(doorX, doorY, doorZ);
            mob->level->levelEvent(LevelEvent::SOUND_ZOMBIE_DOOR_CRASH, doorX,
                                   doorY, doorZ, 0);
            mob->level->levelEvent(LevelEvent::PARTICLES_DESTROY_BLOCK, doorX,
                                   doorY, doorZ, doorTile->id);
        }
    }
}