mirror of
https://github.com/quizhizhe/LiteLoaderBDS-1.16.40.git
synced 2025-06-03 04:23:39 +00:00
404 lines
13 KiB
C++
404 lines
13 KiB
C++
#include <Global.h>
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#include <string>
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#include <utility>
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#include <vector>
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#include <cctype>
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#include <fstream>
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#include <MC/Actor.hpp>
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#include <MC/ServerPlayer.hpp>
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#include <MC/Spawner.hpp>
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#include <MC/ActorDamageSource.hpp>
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#include <MC/Block.hpp>
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#include <MC/BlockSource.hpp>
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#include <MC/CommandContext.hpp>
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#include <MC/CompoundTag.hpp>
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#include <MC/Dimension.hpp>
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#include <MC/DropperBlockActor.hpp>
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#include <MC/ItemActor.hpp>
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#include <MC/ItemStack.hpp>
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#include <MC/Level.hpp>
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#include <MC/MinecraftCommands.hpp>
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#include <MC/Tick.hpp>
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#include <MC/Packet.hpp>
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#include <MC/PropertiesSettings.hpp>
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#include <MC/LoopbackPacketSender.hpp>
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#include <MC/ServerCommandOrigin.hpp>
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#include <MC/PlayerCommandOrigin.hpp>
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Actor* Level::getEntity(ActorUniqueID uniqueId) {
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try {
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return SymCall("?fetchEntity@Level@@QEBAPEAVActor@@UActorUniqueID@@_N@Z", Actor*, Level*, ActorUniqueID)(Global<Level>, uniqueId);
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} catch (...) {
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return nullptr;
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}
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}
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BlockSource* Level::getBlockSource(int dimID) {
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// auto dim = Global<Level>->createDimension(dimID);
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auto dim = Global<Level>->getDimension(dimID);
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return &dim->getBlockSourceFromMainChunkSource();
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//return dAccess<BlockSource*>(dim, 96);
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}
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BlockSource* Level::getBlockSource(Actor* ac) {
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return const_cast<BlockSource*>(&ac->getRegionConst());
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}
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Block* Level::getBlock(BlockPos* pos, int dimId) {
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return getBlock(*pos, Level::getBlockSource(dimId));
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}
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Block* Level::getBlock(BlockPos* pos, BlockSource* blockSource) {
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return (Block*)&(blockSource->getBlock(*pos));
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}
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Block* Level::getBlock(const BlockPos& pos, int dimId) {
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return getBlock(pos, Level::getBlockSource(dimId));
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}
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Block* Level::getBlock(const BlockPos& pos, BlockSource* blockSource) {
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return (Block*)&(blockSource->getBlock(pos));
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}
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// Return nullptr when failing to get block
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Block* Level::getBlockEx(const BlockPos& pos, int dimId) {
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auto dim = Global<Level>->getDimension(dimId);
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if (!dim)
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return nullptr;
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auto bs = &dim->getBlockSourceFromMainChunkSource();
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auto lc = bs->getChunkAt(pos);
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if (!lc)
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return nullptr;
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short minHeight = dim->getHeight();
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if (pos.y < minHeight || pos.y > dim->getHeight())
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return nullptr;
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ChunkBlockPos cbpos = ChunkBlockPos(pos, minHeight);
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return const_cast<Block*>(&lc->getBlock(cbpos));
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}
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BlockInstance Level::getBlockInstance(BlockPos* pos, int dimId) {
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return {*pos, dimId};
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}
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BlockInstance Level::getBlockInstance(BlockPos* pos, BlockSource* blockSource) {
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return {*pos, blockSource->getDimensionId()};
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}
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BlockInstance Level::getBlockInstance(const BlockPos& pos, int dim) {
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return {pos, dim};
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}
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BlockInstance Level::getBlockInstance(const BlockPos& pos, BlockSource* blockSource) {
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return {pos, blockSource->getDimensionId()};
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}
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BlockActor* Level::getBlockEntity(BlockPos* pos, int dimId) {
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return getBlockEntity(pos, Level::getBlockSource(dimId));
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}
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BlockActor* Level::getBlockEntity(BlockPos* pos, BlockSource* blockSource) {
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return blockSource->getBlockEntity(*pos);
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}
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BlockActor* Level::getBlockEntity(const BlockPos& pos, int dimId) {
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return getBlockEntity((BlockPos*)&pos, Level::getBlockSource(dimId));
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}
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BlockActor* Level::getBlockEntity(const BlockPos& pos, BlockSource* blockSource) {
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return getBlockEntity((BlockPos*)&pos, blockSource);
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}
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bool Level::setBlock(const BlockPos& pos, int dim, Block* block) {
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BlockSource* bs = getBlockSource(dim);
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return bs->setBlock(pos, *block, 3, nullptr, nullptr); // updateFlag = 3 from IDA SetBlockCommand::execute()
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}
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bool Level::setBlock(const BlockPos& pos, int dim, const string& name, unsigned short tileData) {
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Block* newBlock = Block::create(name, tileData);
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if (!newBlock)
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return false;
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return setBlock(pos, dim, newBlock);
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}
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bool Level::setBlock(const BlockPos& pos, int dim, CompoundTag* nbt) {
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Block* newBlock = Block::create(nbt);
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if (!newBlock)
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return false;
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return setBlock(pos, dim, newBlock);
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}
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// bool Level::breakBlockNaturally(BlockSource* bs, const BlockPos& pos) {
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// return getBlockInstance(pos, bs).breakNaturally();
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// }
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// bool Level::breakBlockNaturally(BlockSource* bs, const BlockPos& pos, ItemStack* item) {
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// return getBlockInstance(pos, bs).breakNaturally(item);
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// }
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bool Level::hasContainer(Vec3 pos, int dim) {
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return getContainer(pos, dim) != nullptr;
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}
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Container* Level::getContainer(Vec3 pos, int dim) {
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// VirtualCall<Container*>(getBlockEntity(), 224); // IDA ChestBlockActor::`vftable'{for `RandomizableBlockActorContainerBase'}
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// This function didn't use 'this' pointer
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return ((DropperBlockActor*)nullptr)->_getContainerAt(*Level::getBlockSource(dim), pos);
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}
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Actor* Level::getDamageSourceEntity(ActorDamageSource* ads) {
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ActorUniqueID v6 = ads->getDamagingEntityUniqueID();
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return Global<Level>->getEntity(v6);
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}
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//void* Level::ServerCommandOrigin::fake_vtbl[26];
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CompoundTag& getServerOriginTag() {
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static auto cached = CompoundTag::fromSNBT(R"({"CommandPermissionLevel":4b,"DimensionId":"Overworld","OriginType":7b,"RequestId":"00000000-0000-0000-0000-000000000000"})");
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return *cached;
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}
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std::unique_ptr<CompoundTag> getPlayerOriginTag(Player& player) {
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static auto cached = CompoundTag::fromSNBT(R"({"OriginType":0b,"PlayerId":0l})");
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auto tag = cached->clone();
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tag->putInt64("PlayerId", player.getUniqueID());
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return std::move(tag);
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}
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bool Level::executeCommand(const string& cmd) {
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//auto origin = ::ServerCommandOrigin::load(getServerOriginTag(), *Global<ServerLevel>);
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std::string requestID = "00000000-0000-0000-0000-000000000000";
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std::unique_ptr<ServerCommandOrigin> origin(new ServerCommandOrigin(requestID,*Global<ServerLevel>, CommandPermissionLevel(4)));
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return MinecraftCommands::_runcmd(std::move(origin), cmd);
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}
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std::unordered_map<CommandOrigin const*, string*> resultOfOrigin = {};
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std::pair<bool, string> Level::executeCommandEx(const string& cmd) {
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//auto origin = ::ServerCommandOrigin::load(getServerOriginTag(), *Global<ServerLevel>);
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const std::string requestID = "00000000-0000-0000-0000-000000000000";
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std::unique_ptr<ServerCommandOrigin> origin(new ServerCommandOrigin(requestID,*Global<ServerLevel>, CommandPermissionLevel(4)));
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string val;
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auto ptr = origin.get();
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resultOfOrigin[ptr] = &val;
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bool rv = MinecraftCommands::_runcmd(std::move(origin), cmd);
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if (resultOfOrigin.count(ptr))
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resultOfOrigin.erase(ptr);
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return {rv, std::move(val)};
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}
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// static void* FAKE_PORGVTBL[26];
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bool Level::executeCommandAs(Player* pl, const string& cmd) {
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auto tag = getPlayerOriginTag(*pl);
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std::unique_ptr<PlayerCommandOrigin> origin(new PlayerCommandOrigin(*pl));
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return MinecraftCommands::_runcmd(std::move(origin), cmd);
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}
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std::vector<Player*> Level::getAllPlayers() {
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try {
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std::vector<Player*> player_list;
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Global<Level>->forEachPlayer([&](Player& sp) -> bool {
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Player* player = &sp;
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player_list.push_back(player);
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return true;
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});
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return player_list;
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} catch (...) {
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return {};
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}
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}
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std::vector<Actor*> Level::getAllEntities(int dimId) {
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try {
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Level* lv = Global<Level>;
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Dimension* dim = lv->getDimension(dimId);
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if (!dim)
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return {};
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auto& list = *(std::unordered_map<ActorUniqueID, void*>*)((uintptr_t)dim + 320); // IDA Dimension::registerEntity
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// Check Valid
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std::vector<Actor*> result;
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auto currTick = SymCall("?getCurrentTick@Level@@QEBAAEBUTick@@XZ", Tick*, Level*)(lv)->t;
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for (auto& i : list) {
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// auto entity = SymCall("??$tryUnwrap@VActor@@$$V@WeakEntityRef@@QEBAPEAVActor@@XZ",
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// Actor*, void*)(&i.second);
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auto entity = getEntity(i.first);
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if (!entity)
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continue;
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auto lastTick = entity->getLastTick();
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if (!lastTick)
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continue;
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if (currTick - lastTick->t == 0 || currTick - lastTick->t == 1)
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result.push_back(entity);
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}
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return result;
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} catch (...) {
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return {};
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}
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}
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std::vector<Actor*> Level::getAllEntities() {
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std::vector<Actor*> entityList;
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auto entities = getAllEntities(0);
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entityList.insert(entityList.end(), entities.begin(), entities.end());
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entities = getAllEntities(1);
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entityList.insert(entityList.end(), entities.begin(), entities.end());
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entities = getAllEntities(2);
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entityList.insert(entityList.end(), entities.begin(), entities.end());
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return entityList;
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//return Global<Level>->getRuntimeActorList();
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}
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Player* Level::getPlayer(const string& info) {
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string target{info};
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std::transform(target.begin(), target.end(), target.begin(), ::tolower); // lower case the string
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size_t delta = UINT64_MAX; // c++ int max
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Player* found = nullptr;
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Global<Level>->forEachPlayer([&](Player& sp) -> bool {
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Player* p = &sp;
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if (p->getXuid() == target || p->getRealName() == info) {
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found = p;
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return false;
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}
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string pName = p->getRealName();
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std::transform(pName.begin(), pName.end(), pName.begin(), ::tolower);
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//模糊匹配
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if (pName.find(target) == 0) {
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// 0 ís the index where the "target" appear in "pName"
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size_t curDelta = pName.length() - target.length();
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if (curDelta == 0) {
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found = p;
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}
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if (curDelta < delta) {
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found = p;
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delta = curDelta;
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}
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}
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return true;
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});
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return found;
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}
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Player* Level::getPlayer(ActorUniqueID id) {
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// 裂开，这个符号也没有
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// 根据伪代码重新写实现
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Actor* actor = Level::fetchEntity(id,0);
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if(actor && actor->hasCategory((ActorCategory)1))
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return (Player*)actor;
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else
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return nullptr;
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//return SymCall("?getPlayer@Level@@UEBAPEAVPlayer@@UActorUniqueID@@@Z", Player*, Level*, ActorUniqueID)(Global<Level>, id);
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}
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Player* Level::getPlayer(const mce::UUID& uuid) const{
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// 根据函数
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// std::_Func_impl_no_alloc__lambda_71cde901375eb38deb56f48a96514d77__bool_Player_const___::_Do_call
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Player* findPlayer = this->findPlayer([&](const Player& pl)->bool {
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if (pl.getClientUUID() == uuid)
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return true;
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return false;
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});
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return findPlayer;
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}
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Actor* Level::spawnMob(Vec3 pos, int dimId, std::string name) {
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Spawner* sp = &Global<Level>->getSpawner();
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return sp->spawnMob(pos, dimId, std::move(name));
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}
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Actor* Level::cloneMob(Vec3 pos, int dimId, Actor* ac) {
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Spawner* sp = &Global<Level>->getSpawner();
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Mob* mob = sp->spawnMob(pos, dimId, std::move(ac->getTypeName()));
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mob->setNbt(ac->getNbt().get());
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return mob;
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}
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Actor* Level::spawnItem(Vec3 pos, int dimId, ItemStack* item) {
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Spawner* sp = &Global<Level>->getSpawner();
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return sp->spawnItem(pos, dimId, item);
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}
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bool Level::createExplosion(Vec3 pos, int dimId, Actor* source, float radius, bool createFire, bool canBreak, float maxResistance) {
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Global<Level>->explode(*Level::getBlockSource(dimId), source, pos, radius, createFire, canBreak, maxResistance, false);
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return true;
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}
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#include <MC/ItemRegistry.hpp>
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ItemStack* Level::getItemStackFromId(short itemId, int aux) {
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auto item = ItemRegistry::getItem(itemId);
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if (item)
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return new ItemStack(*item, 1, aux);
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return nullptr;
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}
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void Level::broadcastText(const string& a1, TextType ty) {
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if (!Global<Level>)
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return;
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Global<Level>->forEachPlayer([&](Player& sp) -> bool {
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sp.sendTextPacket(a1, ty);
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return true;
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});
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}
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void Level::broadcastTitle(const string& text, TitleType Type, int FadeInDuration, int RemainDuration, int FadeOutDuration) {
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if (!Global<Level>)
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return;
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Global<Level>->forEachPlayer([&](Player& sp) -> bool {
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sp.sendTitlePacket(text, Type, FadeInDuration, RemainDuration, FadeOutDuration);
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return true;
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});
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}
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void Level::sendPacketForAllPlayers(Packet& pkt) {
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if (!Global<Level>)
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return;
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auto sender = (LoopbackPacketSender*)Global<Level>->getPacketSender();
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if (sender)
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return sender->sendBroadcast(pkt);
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}
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// For compatibility
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void Level::sendPacketForAllPlayer(Packet& pkt) {
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sendPacketForAllPlayers(pkt);
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}
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std::string Level::getCurrentLevelName() {
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if (Global<PropertiesSettings>)
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return Global<PropertiesSettings>->getLevelName();
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std::ifstream fin("server.properties");
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string buf;
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while (getline(fin, buf)) {
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if (buf.find("level-name=") != string::npos) {
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if (buf.back() == '\n')
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buf.pop_back();
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if (buf.back() == '\r')
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buf.pop_back();
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return buf.substr(11);
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}
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}
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return "";
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}
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std::string Level::getCurrentLevelPath() {
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return "./worlds/" + getCurrentLevelName();
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}
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int64_t BossID = 7492341231332ull;
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int64_t Level::createBossEvent() {
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return ++BossID;
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} |