4jcraft/Minecraft.World/Blocks/PistonMovingTileEntity.cpp

#include "../Platform/stdafx.h"
#include "PistonMovingTileEntity.h"
#include <optional>
#include "TileEntities/PistonPieceTileEntity.h"
#include "../Headers/net.minecraft.world.level.h"
#include "../Headers/net.minecraft.world.h"
#include "../Util/Facing.h"
#include "../Util/AABB.h"

PistonMovingPiece::PistonMovingPiece(int id)
    : BaseEntityTile(id, Material::piston, false) {
    setDestroyTime(INDESTRUCTIBLE_DESTROY_TIME);
}

std::shared_ptr<TileEntity> PistonMovingPiece::newTileEntity(Level* level) {
    return nullptr;
}

void PistonMovingPiece::onPlace(Level* level, int x, int y, int z) {}

void PistonMovingPiece::onRemove(Level* level, int x, int y, int z, int id,
                                 int data) {
    std::shared_ptr<TileEntity> tileEntity = level->getTileEntity(x, y, z);
    if (tileEntity != NULL &&
        std::dynamic_pointer_cast<PistonPieceEntity>(tileEntity) != NULL) {
        std::dynamic_pointer_cast<PistonPieceEntity>(tileEntity)->finalTick();
    } else {
        BaseEntityTile::onRemove(level, x, y, z, id, data);
    }
}

bool PistonMovingPiece::mayPlace(Level* level, int x, int y, int z) {
    return false;
}

bool PistonMovingPiece::mayPlace(Level* level, int x, int y, int z, int face) {
    return false;
}

int PistonMovingPiece::getRenderShape() { return SHAPE_INVISIBLE; }

bool PistonMovingPiece::isSolidRender(bool isServerLevel) { return false; }

bool PistonMovingPiece::isCubeShaped() { return false; }

bool PistonMovingPiece::use(
    Level* level, int x, int y, int z, std::shared_ptr<Player> player,
    int clickedFace, float clickX, float clickY, float clickZ,
    bool soundOnly /*=false*/)  // 4J added soundOnly param
{
    if (soundOnly) return false;
    // this is a special case in order to help removing invisible, unbreakable,
    // blocks in the world
    if (!level->isClientSide && level->getTileEntity(x, y, z) == NULL) {
        // this block is no longer valid
        level->removeTile(x, y, z);
        return true;
    }
    return false;
}

int PistonMovingPiece::getResource(int data, Random* random,
                                   int playerBonusLevel) {
    return 0;
}

void PistonMovingPiece::spawnResources(Level* level, int x, int y, int z,
                                       int data, float odds, int playerBonus) {
    if (level->isClientSide) return;

    std::shared_ptr<PistonPieceEntity> entity = getEntity(level, x, y, z);
    if (entity == NULL) {
        return;
    }

    Tile::tiles[entity->getId()]->spawnResources(level, x, y, z,
                                                 entity->getData(), 0);
}

void PistonMovingPiece::neighborChanged(Level* level, int x, int y, int z,
                                        int type) {
    if (!level->isClientSide && level->getTileEntity(x, y, z) == nullptr) {
        // 4jcraft: remove orphaned moving piston blocks once their tile entity
        // has already vanished, matching the cleanup path used on interaction.
        level->removeTile(x, y, z);
    }
}

std::shared_ptr<TileEntity> PistonMovingPiece::newMovingPieceEntity(
    int block, int data, int facing, bool extending, bool isSourcePiston) {
    return std::shared_ptr<TileEntity>(
        new PistonPieceEntity(block, data, facing, extending, isSourcePiston));
}

std::optional<AABB> PistonMovingPiece::getAABB(Level* level, int x, int y,
                                               int z) {
    std::shared_ptr<PistonPieceEntity> entity = getEntity(level, x, y, z);
    if (entity == NULL) {
        return std::nullopt;
    }

    // move the aabb depending on the animation
    float progress = entity->getProgress(0);
    if (entity->isExtending()) {
        progress = 1.0f - progress;
    }
    return getAABB(level, x, y, z, entity->getId(), progress,
                   entity->getFacing());
}

void PistonMovingPiece::updateShape(
    LevelSource* level, int x, int y, int z, int forceData,
    std::shared_ptr<TileEntity>
        forceEntity)  // 4J added forceData, forceEntity param
{
    std::shared_ptr<PistonPieceEntity> entity =
        std::dynamic_pointer_cast<PistonPieceEntity>(forceEntity);
    if (entity == NULL) entity = getEntity(level, x, y, z);
    if (entity != NULL) {
        Tile* tile = Tile::tiles[entity->getId()];
        if (tile == NULL || tile == this) {
            return;
        }
        tile->updateShape(level, x, y, z);

        float progress = entity->getProgress(0);
        if (entity->isExtending()) {
            progress = 1.0f - progress;
        }
        int facing = entity->getFacing();
        ThreadStorage* tls = m_tlsShape;
        tls->xx0 = tile->getShapeX0() - Facing::STEP_X[facing] * progress;
        tls->yy0 = tile->getShapeY0() - Facing::STEP_Y[facing] * progress;
        tls->zz0 = tile->getShapeZ0() - Facing::STEP_Z[facing] * progress;
        tls->xx1 = tile->getShapeX1() - Facing::STEP_X[facing] * progress;
        tls->yy1 = tile->getShapeY1() - Facing::STEP_Y[facing] * progress;
        tls->zz1 = tile->getShapeZ1() - Facing::STEP_Z[facing] * progress;
    }
}

std::optional<AABB> PistonMovingPiece::getAABB(Level* level, int x, int y,
                                               int z, int tile, float progress,
                                               int facing) {
    if (tile == 0 || tile == id) {
        return std::nullopt;
    }
    auto aabb = Tile::tiles[tile]->getAABB(level, x, y, z);

    if (!aabb.has_value()) {
        return std::nullopt;
    }

    // move the aabb depending on the animation
    if (Facing::STEP_X[facing] < 0) {
        aabb->x0 -= Facing::STEP_X[facing] * progress;
    } else {
        aabb->x1 -= Facing::STEP_X[facing] * progress;
    }

    if (Facing::STEP_Y[facing] < 0) {
        aabb->y0 -= Facing::STEP_Y[facing] * progress;
    } else {
        aabb->y1 -= Facing::STEP_Y[facing] * progress;
    }

    if (Facing::STEP_Z[facing] < 0) {
        aabb->z0 -= Facing::STEP_Z[facing] * progress;
    } else {
        aabb->z1 -= Facing::STEP_Z[facing] * progress;
    }

    return aabb;
}

std::shared_ptr<PistonPieceEntity> PistonMovingPiece::getEntity(
    LevelSource* level, int x, int y, int z) {
    std::shared_ptr<TileEntity> tileEntity = level->getTileEntity(x, y, z);
    if (tileEntity != NULL &&
        std::dynamic_pointer_cast<PistonPieceEntity>(tileEntity) != NULL) {
        return std::dynamic_pointer_cast<PistonPieceEntity>(tileEntity);
    }
    return nullptr;
}

void PistonMovingPiece::registerIcons(IconRegister* iconRegister) {
    // don't register null, register piston top instead (to get proper
    // particle effect)
    icon = iconRegister->registerIcon(L"piston_top");
}

int PistonMovingPiece::cloneTileId(Level* level, int x, int y, int z) {
    return 0;
}