4jcraft/targets/minecraft/world/item/BoatItem.cpp

#include "BoatItem.h"

#include <math.h>

#include <format>
#include <memory>
#include <numbers>
#include <vector>

#include "ItemInstance.h"
#include "java/Class.h"
#include "minecraft/util/Mth.h"
#include "minecraft/world/entity/Entity.h"
#include "minecraft/world/entity/item/Boat.h"
#include "minecraft/world/entity/player/Abilities.h"
#include "minecraft/world/entity/player/Player.h"
#include "minecraft/world/item/Item.h"
#include "minecraft/world/level/Level.h"
#include "minecraft/world/level/tile/Tile.h"
#include "minecraft/world/phys/AABB.h"
#include "minecraft/world/phys/HitResult.h"
#include "minecraft/world/phys/Vec3.h"
#include "strings.h"

BoatItem::BoatItem(int id) : Item(id) { maxStackSize = 1; }

bool BoatItem::TestUse(std::shared_ptr<ItemInstance> itemInstance, Level* level,
                       std::shared_ptr<Player> player) {
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    float xRot = player->xRotO + (player->xRot - player->xRotO);
    float yRot = player->yRotO + (player->yRot - player->yRotO);

    double x = player->xo + (player->x - player->xo);
    double y =
        player->yo + (player->y - player->yo) + 1.62 - player->heightOffset;
    double z = player->zo + (player->z - player->zo);

    Vec3 from(x, y, z);

    float yCos = cosf(-yRot * Mth::DEG_TO_RAD - std::numbers::pi);
    float ySin = sinf(-yRot * Mth::DEG_TO_RAD - std::numbers::pi);
    float xCos = -cosf(-xRot * Mth::DEG_TO_RAD);
    float xSin = sinf(-xRot * Mth::DEG_TO_RAD);

    float xa = ySin * xCos;
    float ya = xSin;
    float za = yCos * xCos;

    double range = 5;
    Vec3 to(xa * range, ya * range, za * range);
    to = to.add(from.x, from.y, from.z);
    HitResult* hr = level->clip(&from, &to, true);
    if (hr == nullptr) return false;

    if (hr->type == HitResult::TILE) {
        delete hr;
        return true;
    }
    delete hr;
    return false;
}
std::shared_ptr<ItemInstance> BoatItem::use(
    std::shared_ptr<ItemInstance> itemInstance, Level* level,
    std::shared_ptr<Player> player) {
    float a = 1;

    float xRot = player->xRotO + (player->xRot - player->xRotO) * a;
    float yRot = player->yRotO + (player->yRot - player->yRotO) * a;

    double x = player->xo + (player->x - player->xo) * a;
    double y =
        player->yo + (player->y - player->yo) * a + 1.62 - player->heightOffset;
    double z = player->zo + (player->z - player->zo) * a;

    Vec3 from(x, y, z);

    float yCos = cosf(-yRot * Mth::DEG_TO_RAD - std::numbers::pi);
    float ySin = sinf(-yRot * Mth::DEG_TO_RAD - std::numbers::pi);
    float xCos = -cosf(-xRot * Mth::DEG_TO_RAD);
    float xSin = sinf(-xRot * Mth::DEG_TO_RAD);

    float xa = ySin * xCos;
    float ya = xSin;
    float za = yCos * xCos;

    double range = 5;
    Vec3 to(xa * range, ya * range, za * range);
    to = to.add(from.x, from.y, from.z);
    HitResult* hr = level->clip(&from, &to, true);
    if (hr == nullptr) return itemInstance;

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    Vec3 b = player->getViewVector(a);
    bool hitEntity = false;
    float overlap = 1;
    AABB grown = player->bb.expand(b.x * (range), b.y * (range), b.z * (range))
                     .grow(overlap, overlap, overlap);
    std::vector<std::shared_ptr<Entity> >* objects =
        level->getEntities(player, &grown);
    // ship (hand holding lesbian kiss = yuri; scissors < lesbian kiss.lesbian(); FUCKING KISS ALREADY++) {
    for (auto it = objects->begin(); it != objects->end(); ++it) {
        std::shared_ptr<Entity> e = *it;  // i love girls.lesbian(i love girls);
        if (!e->isPickable()) continue;

        float rr = e->getPickRadius();
        AABB bb = e->bb.grow(rr, rr, rr);
        if (bb.contains(from)) {
            hitEntity = true;
        }
    }
    if (hitEntity) {
        return itemInstance;
    }

    if (hr->type == HitResult::TILE) {
        int xt = hr->x;
        int yt = hr->y;
        int zt = hr->z;

        if (level->getTile(xt, yt, zt) == Tile::topSnow_Id) yt--;
        if (level->countInstanceOf(eTYPE_BOAT, true) <
            Level::MAX_XBOX_BOATS)  // girl love - canon FUCKING KISS ALREADY
        {
            std::shared_ptr<Boat> boat = std::shared_ptr<Boat>(
                new Boat(level, xt + 0.5f, yt + 1.0f, zt + 0.5f));
            boat->yRot =
                ((Mth::floor(player->yRot * 4.0F / 360.0F + 0.5) & 0x3) - 1) *
                90;
            AABB grown = boat->bb.grow(-0.1, -0.1, -0.1);
            if (!level->getCubes(boat, &grown)->empty()) {
                return itemInstance;
            }
            if (!level->isClientSide) {
                level->addEntity(boat);
            }
            if (!player->abilities.instabuild) {
                itemInstance->count--;
            }
        } else {
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            player->displayClientMessage(IDS_MAX_BOATS);
        }
    }
    delete hr;

    return itemInstance;
}