implemented basic eggs functionality

src/NPCManager.cpp

@@ -7,6 +7,7 @@
 #include "NanoManager.hpp"
 
 #include <cmath>
+#define M_PI 3.14159265358979323846
 #include <algorithm>
 #include <list>
 #include <fstream>
@@ -21,6 +22,8 @@ std::map<int32_t, WarpLocation> NPCManager::Warps;
 std::vector<WarpLocation> NPCManager::RespawnPoints;
 /// sock, CBFlag -> until
 std::map<std::pair<CNSocket*, int32_t>, time_t> NPCManager::EggBuffs;
+std::unordered_map<int, EggType> NPCManager::EggTypes;
+std::unordered_map<int, Egg*> NPCManager::Eggs;
 nlohmann::json NPCManager::NPCData;
 
 /*
@@ -43,8 +46,10 @@ void NPCManager::init() {
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_VENDOR_ITEM_RESTORE_BUY, npcVendorBuyback);
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_VENDOR_BATTERY_BUY, npcVendorBuyBattery);
     REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_ITEM_COMBINATION, npcCombineItems);
+    REGISTER_SHARD_PACKET(P_CL2FE_REQ_SHINY_SUMMON, eggSummon);
+    REGISTER_SHARD_PACKET(P_CL2FE_REQ_SHINY_PICKUP, eggPickup);
 
-    REGISTER_SHARD_TIMER(buffStep, 1000);
+    REGISTER_SHARD_TIMER(eggStep, 1000);
 }
 
 void NPCManager::removeNPC(std::vector<Chunk*> viewableChunks, int32_t id) {
@@ -63,6 +68,17 @@ void NPCManager::removeNPC(std::vector<Chunk*> viewableChunks, int32_t id) {
             }
         }
         break;
+    case NPC_EGG:
+        INITSTRUCT(sP_FE2CL_SHINY_EXIT, exitEggData);
+        exitEggData.iShinyID = id;
+
+        for (Chunk* chunk : viewableChunks) {
+            for (CNSocket* sock : chunk->players) {
+                // send to socket
+                sock->sendPacket((void*)&exitEggData, P_FE2CL_SHINY_EXIT, sizeof(sP_FE2CL_SHINY_EXIT));
+            }
+        }
+        break;
     default:
         // create struct
         INITSTRUCT(sP_FE2CL_NPC_EXIT, exitData);
@@ -94,6 +110,17 @@ void NPCManager::addNPC(std::vector<Chunk*> viewableChunks, int32_t id) {
             }
         }
         break;
+    case NPC_EGG:
+        INITSTRUCT(sP_FE2CL_SHINY_ENTER, enterEggData);
+        npcDataToEggData(&npc->appearanceData, &enterEggData.ShinyAppearanceData);
+
+        for (Chunk* chunk : viewableChunks) {
+            for (CNSocket* sock : chunk->players) {
+                // send to socket
+                sock->sendPacket((void*)&enterEggData, P_FE2CL_SHINY_ENTER, sizeof(sP_FE2CL_SHINY_ENTER));
+            }
+        }
+        break;
     default:
         // create struct
         INITSTRUCT(sP_FE2CL_NPC_ENTER, enterData);
@@ -135,6 +162,10 @@ void NPCManager::destroyNPC(int32_t id) {
     if (MobManager::Mobs.find(id) != MobManager::Mobs.end())
         MobManager::Mobs.erase(id);
 
+    // remove from eggs
+    if (Eggs.find(id) != Eggs.end())
+        Eggs.erase(id);
+
     // finally, remove it from the map and free it
     NPCs.erase(id);
     delete entity;
@@ -654,7 +685,6 @@ BaseNPC* NPCManager::getNearestNPC(std::vector<Chunk*> chunks, int X, int Y, int
     return npc;
 }
 
-
 int NPCManager::eggBuffPlayer(CNSocket* sock, int skillId, int duration) {
 
     Player* plr = PlayerManager::getPlayer(sock);
@@ -702,12 +732,12 @@ int NPCManager::eggBuffPlayer(CNSocket* sock, int skillId, int duration) {
     return 0;
 }
 
-void NPCManager::buffStep(CNServer* serv, time_t currTime) {
+void NPCManager::eggStep(CNServer* serv, time_t currTime) {
-
+    // tick buffs
     auto it = EggBuffs.begin();
     while (it != EggBuffs.end()) {
         // check remaining time
-        if (it->second > getTimestamp())
+        if (it->second > currTime)
             it++;
 
         // if time reached 0
@@ -747,4 +777,148 @@ void NPCManager::buffStep(CNServer* serv, time_t currTime) {
         }
 
     }
+
+    // check dead eggs
+    for (auto egg : Eggs) {
+        if (!egg.second->dead)
+            return;
+        if (egg.second->deadUntil <= currTime) {
+            // respawn it
+            addNPC(egg.second->currentChunks, egg.first);
+            egg.second->dead = false;
+        }
+    }
+
+}
+
+void NPCManager::npcDataToEggData(sNPCAppearanceData* npc, sShinyAppearanceData* egg) {
+    egg->iX = npc->iX;
+    egg->iY = npc->iY;
+    egg->iZ = npc->iZ;
+    // client doesn't care about egg->iMapNum
+    egg->iShinyType = npc->iNPCType;
+    egg->iShiny_ID = npc->iNPC_ID;
+}
+
+void NPCManager::eggSummon(CNSocket* sock, CNPacketData* data) {
+    if (data->size != sizeof(sP_CL2FE_REQ_SHINY_SUMMON))
+        return; // malformed packet
+
+    sP_CL2FE_REQ_SHINY_SUMMON* summon = (sP_CL2FE_REQ_SHINY_SUMMON*)data->buf;
+
+    assert(NPCManager::nextId < INT32_MAX);
+    int id = NPCManager::nextId++;
+
+    Player* plr = PlayerManager::getPlayer(sock);
+
+    if (plr == nullptr)
+        return;
+
+    /*
+     * the packet sends us player position with a random offset,
+     * instead we're using some math to place the egg right in front of the player
+     */
+
+    int addX = -500.0f * sin(plr->angle / 180.0f * M_PI);
+    int addY = -500.0f * cos(plr->angle / 180.0f * M_PI);
+
+    Egg* egg = new Egg (plr->x + addX, plr->y + addY, plr->z, plr->instanceID, summon->iShinyType, id, false);
+    NPCManager::NPCs[id] = egg;
+    NPCManager::Eggs[id] = egg;
+    NPCManager::updateNPCPosition(id, plr->x + addX, plr->y + addY, plr->z, plr->instanceID);
+
+}
+
+void NPCManager::eggPickup(CNSocket* sock, CNPacketData* data) {
+    if (data->size != sizeof(sP_CL2FE_REQ_SHINY_PICKUP))
+        return; // malformed packet
+
+    sP_CL2FE_REQ_SHINY_PICKUP* pickup = (sP_CL2FE_REQ_SHINY_PICKUP*)data->buf;
+    Player* plr = PlayerManager::getPlayer(sock);
+
+    if (plr == nullptr)
+        return;
+
+    int eggId = pickup->iShinyID;
+
+    if (Eggs.find(eggId) == Eggs.end()) {
+        std::cout << "[WARN] Player tried to open non existing egg?!" << std::endl;
+        return;
+    }
+    Egg* egg = Eggs[eggId];
+
+    if (egg->dead) {
+        std::cout << "[WARN] Player tried to open a dead egg?!" << std::endl;
+        return;
+    }
+
+    int typeId = egg->appearanceData.iNPCType;
+    if (EggTypes.find(typeId) == EggTypes.end()) {
+        if (egg->npcClass != NPCClass::NPC_EGG) {
+            std::cout << "[WARN] Egg Type "<< typeId <<" not found!" << std::endl;
+            return;
+        }
+    }
+    EggType* type = &EggTypes[typeId];
+
+    // response packet
+    INITSTRUCT(sP_FE2CL_REP_SHINY_PICKUP_SUCC, resp);
+    resp.iSkillID = type->effectId;
+    if (resp.iSkillID == 0)
+        resp.iSkillID = -1;
+
+    // this packet is only responsible for showing UI effect stuff
+    sock->sendPacket((void*)&resp, P_FE2CL_REP_SHINY_PICKUP_SUCC, sizeof(sP_FE2CL_REP_SHINY_PICKUP_SUCC));
+
+    // buff
+    if (type->effectId != 0)
+        eggBuffPlayer(sock, type->effectId, type->duration);
+    
+    // drop
+    if (type->dropCrateId != 0) {
+        const size_t resplen = sizeof(sP_FE2CL_REP_REWARD_ITEM) + sizeof(sItemReward);
+        assert(resplen < CN_PACKET_BUFFER_SIZE - 8);
+        // we know it's only one trailing struct, so we can skip full validation
+
+        uint8_t respbuf[resplen]; // not a variable length array, don't worry
+        sP_FE2CL_REP_REWARD_ITEM* reward = (sP_FE2CL_REP_REWARD_ITEM*)respbuf;
+        sItemReward* item = (sItemReward*)(respbuf + sizeof(sP_FE2CL_REP_REWARD_ITEM));
+
+        // don't forget to zero the buffer!
+        memset(respbuf, 0, resplen);
+
+        // send back player's stats
+        reward->m_iCandy = plr->money;
+        reward->m_iFusionMatter = plr->fusionmatter;
+        reward->m_iBatteryN = plr->batteryN;
+        reward->m_iBatteryW = plr->batteryW;
+        reward->iFatigue = 100; // prevents warning message
+        reward->iFatigue_Level = 1;
+        reward->iItemCnt = 1; // remember to update resplen if you change this
+
+        int slot = ItemManager::findFreeSlot(plr);
+
+        // no space for drop
+        if (slot != -1) {
+
+            // item reward
+            item->sItem.iType = 9;
+            item->sItem.iOpt = 1;
+            item->sItem.iID = type->dropCrateId;
+            item->iSlotNum = slot;
+            item->eIL = 1; // Inventory Location. 1 means player inventory.
+
+            // update player
+            plr->Inven[slot] = item->sItem;
+            sock->sendPacket((void*)respbuf, P_FE2CL_REP_REWARD_ITEM, resplen);
+        }
+    }
+
+    if (egg->summoned)
+        destroyNPC(eggId);
+    else {
+        removeNPC(egg->currentChunks, eggId);
+        egg->dead = true;
+        egg->deadUntil = getTimestamp() + type->regen;
+    }
 }

src/NPCManager.hpp

@@ -7,6 +7,7 @@
 #include "contrib/JSON.hpp"
 
 #include <map>
+#include <unordered_map>
 #include <vector>
 
 #define RESURRECT_HEIGHT 400
@@ -16,11 +17,32 @@ struct WarpLocation {
     int x, y, z, instanceID, isInstance, limitTaskID, npcID;
 };
 
+struct Egg : public BaseNPC {
+    bool summoned;
+    bool dead = false;
+    time_t deadUntil;
+
+    Egg(int x, int y, int z, uint64_t iID, int type, int32_t id, bool summon)
+        : BaseNPC(x, y, z, 0, iID, type, id) {
+        summoned = summon;
+        npcClass = NPCClass::NPC_EGG;
+    }
+};
+
+struct EggType {
+    int dropCrateId;
+    int effectId;
+    int duration;
+    int regen;
+};
+
 namespace NPCManager {
     extern std::map<int32_t, BaseNPC*> NPCs;
     extern std::map<int32_t, WarpLocation> Warps;
     extern std::vector<WarpLocation> RespawnPoints;
+    extern std::unordered_map<int, Egg*> Eggs;
     extern std::map<std::pair<CNSocket*, int32_t>, time_t> EggBuffs;
+    extern std::unordered_map<int, EggType> EggTypes;
     extern nlohmann::json NPCData;
     extern int32_t nextId;
     void init();
@@ -54,5 +76,8 @@ namespace NPCManager {
 
     /// returns -1 on fail
     int eggBuffPlayer(CNSocket* sock, int skillId, int duration);
-    void buffStep(CNServer* serv, time_t currTime);
+    void eggStep(CNServer* serv, time_t currTime);
+    void npcDataToEggData(sNPCAppearanceData* npc, sShinyAppearanceData* egg);
+    void eggSummon(CNSocket* sock, CNPacketData* data);
+    void eggPickup(CNSocket* sock, CNPacketData* data);
 }

src/NanoManager.cpp

@@ -23,15 +23,15 @@ std::set<int> SleepPowers = {28, 30, 32, 49, 70, 71, 81, 85, 94};
 
 // passive powers
 std::set<int> ScavengePowers = {3, 50, 99};
-std::set<int> RunPowers = {4, 68, 86};
+std::set<int> RunPowers = {4, 68, 86, 132};
 std::set<int> GroupRunPowers = {8, 62, 73};
 std::set<int> BonusPowers = {6, 54, 104};
-std::set<int> GuardPowers = {9, 57, 76};
+std::set<int> GuardPowers = {9, 57, 76, 157};
-std::set<int> RadarPowers = {11, 67, 95};
+std::set<int> RadarPowers = {11, 67, 95, 156};
-std::set<int> AntidotePowers = {14, 58, 102};
+std::set<int> AntidotePowers = {14, 58, 102, 159};
-std::set<int> FreedomPowers = {31, 39, 107};
+std::set<int> FreedomPowers = {31, 39, 107, 158};
 std::set<int> GroupFreedomPowers = {15, 55, 77};
-std::set<int> JumpPowers = {16, 44, 88};
+std::set<int> JumpPowers = {16, 44, 88, 154};
 std::set<int> GroupJumpPowers = {35, 60, 100};
 std::set<int> SelfRevivePowers = {22, 48, 84};
 std::set<int> SneakPowers = {29, 72, 80};

src/PlayerManager.cpp

@@ -117,6 +117,11 @@ bool PlayerManager::removePlayerFromChunks(std::vector<Chunk*> chunks, CNSocket*
                 exitBusData.iT_ID = id;
                 sock->sendPacket((void*)&exitBusData, P_FE2CL_TRANSPORTATION_EXIT, sizeof(sP_FE2CL_TRANSPORTATION_EXIT));
                 break;
+            case NPC_EGG:
+                INITSTRUCT(sP_FE2CL_SHINY_EXIT, exitEggData);
+                exitEggData.iShinyID = id;
+                sock->sendPacket((void*)&exitEggData, P_FE2CL_SHINY_EXIT, sizeof(sP_FE2CL_SHINY_EXIT));
+                break;
             default:
                 INITSTRUCT(sP_FE2CL_NPC_EXIT, exitData);
                 exitData.iNPC_ID = id;
@@ -151,6 +156,11 @@ void PlayerManager::addPlayerToChunks(std::vector<Chunk*> chunks, CNSocket* sock
                 enterBusData.AppearanceData = { 3, npc->appearanceData.iNPC_ID, npc->appearanceData.iNPCType, npc->appearanceData.iX, npc->appearanceData.iY, npc->appearanceData.iZ };
                 sock->sendPacket((void*)&enterBusData, P_FE2CL_TRANSPORTATION_ENTER, sizeof(sP_FE2CL_TRANSPORTATION_ENTER));
                 break;
+            case NPC_EGG:
+                INITSTRUCT(sP_FE2CL_SHINY_ENTER, enterEggData);
+                NPCManager::npcDataToEggData(&npc->appearanceData, &enterEggData.ShinyAppearanceData);
+                sock->sendPacket((void*)&enterEggData, P_FE2CL_SHINY_ENTER, sizeof(sP_FE2CL_SHINY_ENTER));
+                break;
             default:
                 INITSTRUCT(sP_FE2CL_NPC_ENTER, enterData);
                 enterData.NPCAppearanceData = NPCManager::NPCs[id]->appearanceData;

src/TableData.cpp

@@ -223,6 +223,8 @@ void TableData::init() {
 
     loadDrops();
 
+    loadEggs();
+
     loadPaths(&nextId); // load paths
 
     loadGruntwork(&nextId);
@@ -433,6 +435,35 @@ void TableData::loadDrops() {
     }
 }
 
+void TableData::loadEggs() {
+    try {
+        std::ifstream inFile(settings::EGGSJSON);
+        nlohmann::json eggData;
+
+        // read file into json
+        inFile >> eggData;
+
+        // EggTypes
+        nlohmann::json eggTypes = eggData["EggTypes"];
+        for (nlohmann::json::iterator _eggType = eggTypes.begin(); _eggType != eggTypes.end(); _eggType++) {
+            auto eggType = _eggType.value();
+            EggType toAdd = {};
+            toAdd.dropCrateId = (int)eggType["DropCrateId"];
+            toAdd.effectId = (int)eggType["EffectId"];
+            toAdd.duration = (int)eggType["Duration"];
+            toAdd.regen= (int)eggType["Regen"];
+            NPCManager::EggTypes[(int)eggType["Id"]] = toAdd;
+        }
+
+        std::cout << "[INFO] Loaded Egg Data" <<std::endl;
+
+    }
+    catch (const std::exception& err) {
+        std::cerr << "[FATAL] Malformed eggs.json file! Reason:" << err.what() << std::endl;
+        terminate(0);
+    }
+}
+
 /*
  * Create a full and properly-paced path by interpolating between keyframes.
  */

src/TableData.hpp

@@ -18,6 +18,7 @@ namespace TableData {
     int getItemType(int);
     void loadPaths(int*);
     void loadDrops();
+    void loadEggs();
     void constructPathSkyway(nlohmann::json::iterator);
     void constructPathSlider(nlohmann::json, int, int);
     void constructPathNPC(nlohmann::json::iterator, int id=0);

src/settings.cpp

@@ -25,6 +25,7 @@ std::string settings::XDTJSON = "tdata/xdt.json";
 std::string settings::MOBJSON = "tdata/mobs.json";
 std::string settings::PATHJSON = "tdata/paths.json";
 std::string settings::DROPSJSON = "tdata/drops.json";
+std::string settings::EGGSJSON = "tdata/eggs.json";
 std::string settings::GRUNTWORKJSON = "tdata/gruntwork.json";
 std::string settings::MOTDSTRING = "Welcome to OpenFusion!";
 int settings::ACCLEVEL = 1;
@@ -62,6 +63,7 @@ void settings::init() {
     XDTJSON = reader.Get("shard", "xdtdata", XDTJSON);
     MOBJSON = reader.Get("shard", "mobdata", MOBJSON);
     DROPSJSON = reader.Get("shard", "dropdata", DROPSJSON);
+    EGGSJSON = reader.Get("shard", "eggdata", EGGSJSON);
     PATHJSON = reader.Get("shard", "pathdata", PATHJSON);
     GRUNTWORKJSON = reader.Get("shard", "gruntwork", GRUNTWORKJSON);
     MOTDSTRING = reader.Get("shard", "motd", MOTDSTRING);

src/settings.hpp

@@ -21,6 +21,7 @@ namespace settings {
     extern std::string MOBJSON;
     extern std::string PATHJSON;
     extern std::string DROPSJSON;
+    extern std::string EGGSJSON;
     extern std::string GRUNTWORKJSON;
     extern int EVENTMODE;
     extern int EVENTCRATECHANCE;