Initial commit

bot/external/Botcraft/Examples/5_MobHitterExample/src/MobHitterTasks.cpp

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+#include "MobHitterTasks.hpp"
+
+#include "botcraft/Game/Entities/EntityManager.hpp"
+#include "botcraft/Game/Entities/LocalPlayer.hpp"
+#include "botcraft/Network/NetworkManager.hpp"
+
+using namespace Botcraft;
+using namespace ProtocolCraft;
+
+Status HitCloseHostiles(BehaviourClient& c)
+{
+    std::shared_ptr<EntityManager> entity_manager = c.GetEntityManager();
+    std::shared_ptr<LocalPlayer> local_player = entity_manager->GetLocalPlayer();
+    std::shared_ptr<NetworkManager> network_manager = c.GetNetworkManager();
+    Blackboard& blackboard = c.GetBlackboard();
+    
+    const NotifyOnEndUseRef<std::map<int, std::chrono::steady_clock::time_point>> last_time_hit_wrapper = blackboard.GetRef("Entities.LastTimeHit", std::map<int, std::chrono::steady_clock::time_point>());
+    std::map<int, std::chrono::steady_clock::time_point>& last_time_hit = last_time_hit_wrapper.ref();
+
+    const Vector3<double> player_pos = local_player->GetPosition();
+
+    auto now = std::chrono::steady_clock::now();
+    {
+        auto entities = entity_manager->GetEntities();
+        for (const auto& [id, entity] : *entities)
+        {
+            if (entity->IsMonster() && (entity->GetPosition()- player_pos).SqrNorm() < 16.0)
+            {
+                auto time = last_time_hit.find(id);
+                if (time != last_time_hit.end() &&
+                    std::chrono::duration_cast<std::chrono::milliseconds>(now - time->second).count() < 500)
+                {
+                    continue;
+                }
+
+                last_time_hit[id] = now;
+
+                local_player->LookAt(entity->GetPosition());
+
+                std::shared_ptr<ServerboundInteractPacket> msg = std::make_shared<ServerboundInteractPacket>();
+                msg->SetAction(1);
+                msg->SetEntityId(id);
+#if PROTOCOL_VERSION > 722 /* > 1.15.2 */
+                msg->SetUsingSecondaryAction(false);
+#endif
+                std::shared_ptr<ServerboundSwingPacket> msg_swing = std::make_shared<ServerboundSwingPacket>();
+                msg_swing->SetHand(0);
+
+                network_manager->Send(msg);
+                network_manager->Send(msg_swing);
+            }
+        }
+    }
+
+    return Status::Success;
+}
+
+Status CleanLastTimeHit(BehaviourClient& c)
+{
+    const NotifyOnEndUseRef<std::map<int, std::chrono::steady_clock::time_point>> last_time_hit_wrapper = c.GetBlackboard().GetRef("Entities.LastTimeHit", std::map<int, std::chrono::steady_clock::time_point>());
+    std::map<int, std::chrono::steady_clock::time_point>& last_time_hit = last_time_hit_wrapper.ref();
+
+    auto now = std::chrono::steady_clock::now();
+    for (auto it = last_time_hit.begin(); it != last_time_hit.end();)
+    {
+        if (std::chrono::duration_cast<std::chrono::seconds>(now - it->second).count() > 10)
+        {
+            it = last_time_hit.erase(it);
+        }
+        else
+        {
+            ++it;
+        }
+    }
+
+    return Status::Success;
+}

bot/external/Botcraft/Examples/5_MobHitterExample/src/main.cpp

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+#include <iostream>
+#include <string>
+
+#include "botcraft/AI/SimpleBehaviourClient.hpp"
+#include "botcraft/Utilities/Logger.hpp"
+
+#include "MobHitterTasks.hpp"
+
+
+void ShowHelp(const char* argv0)
+{
+    std::cout << "Usage: " << argv0 << " <options>\n"
+        << "Options:\n"
+        << "\t-h, --help\tShow this help message\n"
+        << "\t--address\tAddress of the server you want to connect to, default: 127.0.0.1:25565\n"
+        << "\t--login\t\tPlayer name in offline mode, empty for Microsoft account, default: BCChatCommand\n"
+        << std::endl;
+}
+
+struct Args
+{
+    bool help = false;
+    std::string address = "127.0.0.1:25565";
+    std::string login = "BCMobHitter";
+
+    int return_code = 0;
+};
+
+Args ParseCommandLine(int argc, char* argv[]);
+
+int main(int argc, char* argv[])
+{
+    try
+    {
+        // Init logging, log everything >= Info, only to console, no file
+        Botcraft::Logger::GetInstance().SetLogLevel(Botcraft::LogLevel::Info);
+        Botcraft::Logger::GetInstance().SetFilename("");
+        // Add a name to this thread for logging
+        Botcraft::Logger::GetInstance().RegisterThread("main");
+
+        Args args;
+        if (argc == 1)
+        {
+            LOG_WARNING("No command arguments. Using default options.");
+            ShowHelp(argv[0]);
+        }
+        else
+        {
+            args = ParseCommandLine(argc, argv);
+            if (args.help)
+            {
+                ShowHelp(argv[0]);
+                return 0;
+            }
+            if (args.return_code != 0)
+            {
+                return args.return_code;
+            }
+        }
+
+        auto mob_hitter_tree = Botcraft::Builder<Botcraft::SimpleBehaviourClient>()
+            .sequence()
+                .leaf("hit close hostiles mobs", HitCloseHostiles)
+                .leaf("remove old entities from last time hit", CleanLastTimeHit)
+            .end();
+
+        Botcraft::SimpleBehaviourClient client(true);
+        client.SetAutoRespawn(true);
+
+        LOG_INFO("Starting connection process");
+        client.Connect(args.address, args.login);
+        client.SetBehaviourTree(mob_hitter_tree);
+
+        client.RunBehaviourUntilClosed();
+
+        client.Disconnect();
+
+        return 0;
+    }
+    catch (std::exception& e)
+    {
+        LOG_FATAL("Exception: " << e.what());
+        return 1;
+    }
+    catch (...)
+    {
+        LOG_FATAL("Unknown exception");
+        return 2;
+    }
+}
+
+Args ParseCommandLine(int argc, char* argv[])
+{
+    Args args;
+    for (int i = 1; i < argc; ++i)
+    {
+        std::string arg = argv[i];
+        if (arg == "-h" || arg == "--help")
+        {
+            ShowHelp(argv[0]);
+            args.help = true;
+            return args;
+        }
+        else if (arg == "--address")
+        {
+            if (i + 1 < argc)
+            {
+                args.address = argv[++i];
+            }
+            else
+            {
+                LOG_FATAL("--address requires an argument");
+                args.return_code = 1;
+                return args;
+            }
+        }
+        else if (arg == "--login")
+        {
+            if (i + 1 < argc)
+            {
+                args.login = argv[++i];
+            }
+            else
+            {
+                LOG_FATAL("--login requires an argument");
+                args.return_code = 1;
+                return args;
+            }
+        }
+    }
+    return args;
+}