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Refactor group handling

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This commit is contained in:
gsemaj 2022-07-30 17:43:17 -07:00
parent 0994aaff71
commit 29024e9351
6 changed files with 175 additions and 174 deletions
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2
src/Combat.cpp
View File

@ -773,7 +773,7 @@ static void playerTick(CNServer *serv, time_t currTime) {
// group ticks
if (plr->group != nullptr)
Groups::groupTickInfo(plr);
Groups::groupTickInfo(sock);
// do not tick dead players
if (plr->HP <= 0)

4
src/EntityRef.hpp
View File

@ -38,6 +38,10 @@ struct EntityRef {
return id == other.id;
}
bool operator!=(const EntityRef& other) const {
return !(*this == other);
}
// arbitrary ordering
bool operator<(const EntityRef& other) const {
if (kind == other.kind) {

329
src/Groups.cpp
View File

@ -15,7 +15,54 @@
using namespace Groups;
void Groups::addToGroup(EntityRef member, Group* group) {
Group::Group(EntityRef leader) {
addToGroup(this, leader);
}
static void attachGroupData(std::vector<EntityRef>& pcs, std::vector<EntityRef>& npcs, uint8_t* pivot) {
for(EntityRef pcRef : pcs) {
sPCGroupMemberInfo* info = (sPCGroupMemberInfo*)pivot;
Player* plr = PlayerManager::getPlayer(pcRef.sock);
info->iPC_ID = plr->iID;
info->iPCUID = plr->PCStyle.iPC_UID;
info->iNameCheck = plr->PCStyle.iNameCheck;
memcpy(info->szFirstName, plr->PCStyle.szFirstName, sizeof(plr->PCStyle.szFirstName));
memcpy(info->szLastName, plr->PCStyle.szLastName, sizeof(plr->PCStyle.szLastName));
info->iSpecialState = plr->iSpecialState;
info->iLv = plr->level;
info->iHP = plr->HP;
info->iMaxHP = PC_MAXHEALTH(plr->level);
// info->iMapType = 0;
// info->iMapNum = 0;
info->iX = plr->x;
info->iY = plr->y;
info->iZ = plr->z;
if(plr->activeNano > 0) {
info->Nano = *plr->getActiveNano();
info->bNano = true;
}
pivot = (uint8_t*)(info + 1);
}
for(EntityRef npcRef : npcs) {
sNPCGroupMemberInfo* info = (sNPCGroupMemberInfo*)pivot;
// probably should not assume that the combatant is an
// entity, but it works for now
BaseNPC* npc = (BaseNPC*)npcRef.getEntity();
info->iNPC_ID = npcRef.id;
info->iNPC_Type = npc->type;
info->iHP = npc->hp;
info->iX = npc->x;
info->iY = npc->y;
info->iZ = npc->z;
pivot = (uint8_t*)(info + 1);
}
}
void Groups::addToGroup(Group* group, EntityRef member) {
if (member.kind == EntityKind::PLAYER) {
Player* plr = PlayerManager::getPlayer(member.sock);
plr->group = group;
@ -29,37 +76,102 @@ void Groups::addToGroup(EntityRef member, Group* group) {
}
group->members.push_back(member);
if(member.kind == EntityKind::PLAYER) {
std::vector<EntityRef> pcs = group->filter(EntityKind::PLAYER);
std::vector<EntityRef> npcs = group->filter(EntityKind::COMBAT_NPC);
size_t pcCount = pcs.size();
size_t npcCount = npcs.size();
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, CN_PACKET_BUFFER_SIZE);
sP_FE2CL_PC_GROUP_JOIN* pkt = (sP_FE2CL_PC_GROUP_JOIN*)respbuf;
pkt->iID_NewMember = PlayerManager::getPlayer(member.sock)->iID;
pkt->iMemberPCCnt = (int32_t)pcCount;
pkt->iMemberNPCCnt = (int32_t)npcCount;
if(!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_JOIN), pcCount, sizeof(sPCGroupMemberInfo))
|| !validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_JOIN) + pcCount * sizeof(sPCGroupMemberInfo), npcCount, sizeof(sNPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_JOIN packet size" << std::endl;
} else {
uint8_t* pivot = (uint8_t*)(pkt + 1);
attachGroupData(pcs, npcs, pivot);
// PC_GROUP_JOIN_SUCC and PC_GROUP_JOIN carry identical payloads but have different IDs
// (and the client does care!) so we need to send one to the new member
// and the other to the rest
size_t resplen = sizeof(sP_FE2CL_PC_GROUP_JOIN) + pcCount * sizeof(sPCGroupMemberInfo) + npcCount * sizeof(sNPCGroupMemberInfo);
member.sock->sendPacket(respbuf, P_FE2CL_PC_GROUP_JOIN_SUCC, resplen);
sendToGroup(group, member, respbuf, P_FE2CL_PC_GROUP_JOIN, resplen);
}
}
}
void Groups::removeFromGroup(EntityRef member, Group* group) {
bool Groups::removeFromGroup(Group* group, EntityRef member) {
if (member.kind == EntityKind::PLAYER) {
Player* plr = PlayerManager::getPlayer(member.sock);
plr->group = nullptr; // no dangling pointers here muahaahahah
INITSTRUCT(sP_FE2CL_PC_GROUP_LEAVE_SUCC, leavePkt);
member.sock->sendPacket(leavePkt, P_FE2CL_PC_GROUP_LEAVE_SUCC);
}
else if (member.kind == EntityKind::COMBAT_NPC) {
CombatNPC* npc = (CombatNPC*)member.getEntity();
npc->group = nullptr;
}
else {
std::cout << "[WARN] Adding a weird entity type to a group" << std::endl;
std::cout << "[WARN] Removing a weird entity type from a group" << std::endl;
}
auto it = std::find(group->members.begin(), group->members.end(), member);
if (it == group->members.end()) {
std::cout << "[WARN] Tried to remove a member that isn't in the group" << std::endl;
return;
} else {
group->members.erase(it);
}
group->members.erase(it);
if(member.kind == EntityKind::PLAYER) {
std::vector<EntityRef> pcs = group->filter(EntityKind::PLAYER);
std::vector<EntityRef> npcs = group->filter(EntityKind::COMBAT_NPC);
size_t pcCount = pcs.size();
size_t npcCount = npcs.size();
if (group->members.empty()) delete group; // cleanup memory
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, CN_PACKET_BUFFER_SIZE);
sP_FE2CL_PC_GROUP_LEAVE* pkt = (sP_FE2CL_PC_GROUP_LEAVE*)respbuf;
pkt->iID_LeaveMember = PlayerManager::getPlayer(member.sock)->iID;
pkt->iMemberPCCnt = (int32_t)pcCount;
pkt->iMemberNPCCnt = (int32_t)npcCount;
if(!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_LEAVE), pcCount, sizeof(sPCGroupMemberInfo))
|| !validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_LEAVE) + pcCount * sizeof(sPCGroupMemberInfo), npcCount, sizeof(sNPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_LEAVE packet size" << std::endl;
} else {
uint8_t* pivot = (uint8_t*)(pkt + 1);
attachGroupData(pcs, npcs, pivot);
sendToGroup(group, respbuf, P_FE2CL_PC_GROUP_LEAVE,
sizeof(sP_FE2CL_PC_GROUP_LEAVE) + pcCount * sizeof(sPCGroupMemberInfo) + npcCount * sizeof(sNPCGroupMemberInfo));
}
}
if (group->members.size() == 1) {
return removeFromGroup(group, group->members.back());
}
if (group->members.empty()) {
delete group; // cleanup memory
return true;
}
return false;
}
void Groups::disbandGroup(Group* group) {
// remove everyone from the group!!
std::vector<EntityRef> members = group->members;
for (EntityRef member : members) {
removeFromGroup(member, group);
bool done = false;
while(!done) {
EntityRef back = group->members.back();
done = removeFromGroup(group, back);
}
}
@ -114,7 +226,7 @@ static void joinGroup(CNSocket* sock, CNPacketData* data) {
Player* otherPlr = PlayerManager::getPlayerFromID(recv->iID_From);
if (otherPlr == nullptr)
return;
return; // disconnect or something
int size = otherPlr->group == nullptr ? 1 : otherPlr->group->filter(EntityKind::PLAYER).size();
@ -125,186 +237,69 @@ static void joinGroup(CNSocket* sock, CNPacketData* data) {
return;
}
if (!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_JOIN), size + 1, sizeof(sPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_JOIN packet size\n";
return;
}
if (otherPlr->group == nullptr) {
// create group
otherPlr->group = new Group(); // spooky
addToGroup(PlayerManager::getSockFromID(recv->iID_From), otherPlr->group);
EntityRef otherPlrRef = PlayerManager::getSockFromID(recv->iID_From);
otherPlr->group = new Group(otherPlrRef);
}
addToGroup(sock, otherPlr->group);
auto players = otherPlr->group->filter(EntityKind::PLAYER);
size_t resplen = sizeof(sP_FE2CL_PC_GROUP_JOIN) + players.size() * sizeof(sPCGroupMemberInfo);
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
sP_FE2CL_PC_GROUP_JOIN *resp = (sP_FE2CL_PC_GROUP_JOIN*)respbuf;
sPCGroupMemberInfo *respdata = (sPCGroupMemberInfo*)(respbuf+sizeof(sP_FE2CL_PC_GROUP_JOIN));
resp->iID_NewMember = plr->iID;
resp->iMemberPCCnt = players.size();
for (int i = 0; i < players.size(); i++) {
Player* varPlr = PlayerManager::getPlayer(players[i].sock);
CNSocket* sockTo = players[i].sock;
if (varPlr == nullptr || sockTo == nullptr)
continue;
respdata[i].iPC_ID = varPlr->iID;
respdata[i].iPCUID = varPlr->PCStyle.iPC_UID;
respdata[i].iNameCheck = varPlr->PCStyle.iNameCheck;
memcpy(respdata[i].szFirstName, varPlr->PCStyle.szFirstName, sizeof(varPlr->PCStyle.szFirstName));
memcpy(respdata[i].szLastName, varPlr->PCStyle.szLastName, sizeof(varPlr->PCStyle.szLastName));
respdata[i].iSpecialState = varPlr->iSpecialState;
respdata[i].iLv = varPlr->level;
respdata[i].iHP = varPlr->HP;
respdata[i].iMaxHP = PC_MAXHEALTH(varPlr->level);
//respdata[i].iMapType = 0;
//respdata[i].iMapNum = 0;
respdata[i].iX = varPlr->x;
respdata[i].iY = varPlr->y;
respdata[i].iZ = varPlr->z;
// client doesnt read nano data here
}
Groups::sendToGroup(otherPlr->group, (void*)&respbuf, P_FE2CL_PC_GROUP_JOIN, resplen);
addToGroup(otherPlr->group, sock);
}
static void leaveGroup(CNSocket* sock, CNPacketData* data) {
Player* plr = PlayerManager::getPlayer(sock);
groupKick(plr);
groupKick(plr->group, sock);
}
void Groups::sendToGroup(Group* group, void* buf, uint32_t type, size_t size) {
auto players = group->filter(EntityKind::PLAYER);
for (int i = 0; i < players.size(); i++) {
CNSocket* sock = players[i].sock;
sock->sendPacket(buf, type, size);
for (EntityRef ref : players) {
ref.sock->sendPacket(buf, type, size);
}
}
void Groups::groupTickInfo(Player* plr) {
auto players = plr->group->filter(EntityKind::PLAYER);
if (!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO), players.size(), sizeof(sPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_JOIN packet size\n";
return;
void Groups::sendToGroup(Group* group, EntityRef excluded, void* buf, uint32_t type, size_t size) {
auto players = group->filter(EntityKind::PLAYER);
for (EntityRef ref : players) {
if(ref != excluded) ref.sock->sendPacket(buf, type, size);
}
size_t resplen = sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO) + players.size() * sizeof(sPCGroupMemberInfo);
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
sP_FE2CL_PC_GROUP_MEMBER_INFO *resp = (sP_FE2CL_PC_GROUP_MEMBER_INFO*)respbuf;
sPCGroupMemberInfo *respdata = (sPCGroupMemberInfo*)(respbuf+sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO));
resp->iID = plr->iID;
resp->iMemberPCCnt = players.size();
for (int i = 0; i < players.size(); i++) {
EntityRef member = players[i];
Player* varPlr = PlayerManager::getPlayer(member.sock);
if (varPlr == nullptr)
continue;
respdata[i].iPC_ID = varPlr->iID;
respdata[i].iPCUID = varPlr->PCStyle.iPC_UID;
respdata[i].iNameCheck = varPlr->PCStyle.iNameCheck;
memcpy(respdata[i].szFirstName, varPlr->PCStyle.szFirstName, sizeof(varPlr->PCStyle.szFirstName));
memcpy(respdata[i].szLastName, varPlr->PCStyle.szLastName, sizeof(varPlr->PCStyle.szLastName));
respdata[i].iSpecialState = varPlr->iSpecialState;
respdata[i].iLv = varPlr->level;
respdata[i].iHP = varPlr->HP;
respdata[i].iMaxHP = PC_MAXHEALTH(varPlr->level);
//respdata[i].iMapType = 0;
//respdata[i].iMapNum = 0;
respdata[i].iX = varPlr->x;
respdata[i].iY = varPlr->y;
respdata[i].iZ = varPlr->z;
if (varPlr->activeNano > 0) {
respdata[i].bNano = 1;
respdata[i].Nano = varPlr->Nanos[varPlr->activeNano];
}
}
sendToGroup(plr->group, (void*)&respbuf, P_FE2CL_PC_GROUP_MEMBER_INFO, resplen);
}
void Groups::groupKick(Player* plr) {
void Groups::groupTickInfo(CNSocket* sock) {
Player* plr = PlayerManager::getPlayer(sock);
Group* group = plr->group;
std::vector<EntityRef> pcs = group->filter(EntityKind::PLAYER);
std::vector<EntityRef> npcs = group->filter(EntityKind::COMBAT_NPC);
size_t pcCount = pcs.size();
size_t npcCount = npcs.size();
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, CN_PACKET_BUFFER_SIZE);
sP_FE2CL_PC_GROUP_MEMBER_INFO* pkt = (sP_FE2CL_PC_GROUP_MEMBER_INFO*)respbuf;
pkt->iID = plr->iID;
pkt->iMemberPCCnt = (int32_t)pcCount;
pkt->iMemberNPCCnt = (int32_t)npcCount;
if(!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO), pcCount, sizeof(sPCGroupMemberInfo))
|| !validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO) + pcCount * sizeof(sPCGroupMemberInfo), npcCount, sizeof(sNPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_MEMBER_INFO packet size" << std::endl;
} else {
uint8_t* pivot = (uint8_t*)(pkt + 1);
attachGroupData(pcs, npcs, pivot);
sock->sendPacket(respbuf, P_FE2CL_PC_GROUP_MEMBER_INFO,
sizeof(sP_FE2CL_PC_GROUP_MEMBER_INFO) + pcCount * sizeof(sPCGroupMemberInfo) + npcCount * sizeof(sNPCGroupMemberInfo));
}
}
void Groups::groupKick(Group* group, EntityRef ref) {
// if you are the group leader, destroy your own group and kick everybody
if (plr->group->members[0] == PlayerManager::getSockFromID(plr->iID)) {
INITSTRUCT(sP_FE2CL_PC_GROUP_LEAVE_SUCC, resp1);
sendToGroup(plr->group, (void*)&resp1, P_FE2CL_PC_GROUP_LEAVE_SUCC, sizeof(sP_FE2CL_PC_GROUP_LEAVE_SUCC));
disbandGroup(plr->group);
if (group->members[0] == ref) {
disbandGroup(group);
return;
}
auto players = group->filter(EntityKind::PLAYER);
if (!validOutVarPacket(sizeof(sP_FE2CL_PC_GROUP_LEAVE), players.size() - 1, sizeof(sPCGroupMemberInfo))) {
std::cout << "[WARN] bad sP_FE2CL_PC_GROUP_LEAVE packet size\n";
return;
}
size_t resplen = sizeof(sP_FE2CL_PC_GROUP_LEAVE) + (players.size() - 1) * sizeof(sPCGroupMemberInfo);
uint8_t respbuf[CN_PACKET_BUFFER_SIZE];
memset(respbuf, 0, resplen);
sP_FE2CL_PC_GROUP_LEAVE *resp = (sP_FE2CL_PC_GROUP_LEAVE*)respbuf;
sPCGroupMemberInfo *respdata = (sPCGroupMemberInfo*)(respbuf+sizeof(sP_FE2CL_PC_GROUP_LEAVE));
resp->iID_LeaveMember = plr->iID;
resp->iMemberPCCnt = players.size() - 1;
CNSocket* sock = PlayerManager::getSockFromID(plr->iID);
if (sock == nullptr)
return;
removeFromGroup(sock, group);
players = group->filter(EntityKind::PLAYER);
for (int i = 0; i < players.size(); i++) {
CNSocket* sockTo = players[i].sock;
Player* varPlr = PlayerManager::getPlayer(sock);
if (varPlr == nullptr || sockTo == nullptr)
continue;
respdata[i].iPC_ID = varPlr->iID;
respdata[i].iPCUID = varPlr->PCStyle.iPC_UID;
respdata[i].iNameCheck = varPlr->PCStyle.iNameCheck;
memcpy(respdata[i].szFirstName, varPlr->PCStyle.szFirstName, sizeof(varPlr->PCStyle.szFirstName));
memcpy(respdata[i].szLastName, varPlr->PCStyle.szLastName, sizeof(varPlr->PCStyle.szLastName));
respdata[i].iSpecialState = varPlr->iSpecialState;
respdata[i].iLv = varPlr->level;
respdata[i].iHP = varPlr->HP;
respdata[i].iMaxHP = PC_MAXHEALTH(varPlr->level);
// respdata[i]].iMapType = 0;
// respdata[i]].iMapNum = 0;
respdata[i].iX = varPlr->x;
respdata[i].iY = varPlr->y;
respdata[i].iZ = varPlr->z;
// client doesnt read nano data here
}
sendToGroup(group, (void*)&respbuf, P_FE2CL_PC_GROUP_LEAVE, resplen);
INITSTRUCT(sP_FE2CL_PC_GROUP_LEAVE_SUCC, resp1);
sock->sendPacket((void*)&resp1, P_FE2CL_PC_GROUP_LEAVE_SUCC, sizeof(sP_FE2CL_PC_GROUP_LEAVE_SUCC));
removeFromGroup(group, ref);
}
void Groups::init() {

11
src/Groups.hpp
View File

@ -19,16 +19,19 @@ struct Group {
});
return filtered;
}
Group(EntityRef leader);
};
namespace Groups {
void init();
void sendToGroup(Group* group, void* buf, uint32_t type, size_t size);
void groupTickInfo(Player* plr);
void groupKick(Player* plr);
void sendToGroup(Group* group, EntityRef excluded, void* buf, uint32_t type, size_t size);
void groupTickInfo(CNSocket* sock);
void addToGroup(EntityRef member, Group* group);
void removeFromGroup(EntityRef member, Group* group);
void groupKick(Group* group, EntityRef ref);
void addToGroup(Group* group, EntityRef member);
bool removeFromGroup(Group* group, EntityRef member); // true iff group deleted
void disbandGroup(Group* group);
}

1
src/Nanos.cpp
View File

@ -139,7 +139,6 @@ void Nanos::summonNano(CNSocket *sock, int slot, bool silent) {
if (slot != -1 && skill != nullptr && skill->drainType == SkillDrainType::PASSIVE) {
// passive buff effect
resp.eCSTB___Add = 1;
int boost = Nanos::getNanoBoost(plr);
std::vector<ICombatant*> affectedCombatants = applyNanoBuff(skill, plr);
if(!affectedCombatants.empty()) Abilities::useNanoSkill(sock, nano, affectedCombatants);
}

2
src/PlayerManager.cpp
View File

@ -47,7 +47,7 @@ void PlayerManager::removePlayer(CNSocket* key) {
// leave group
if(plr->group != nullptr)
Groups::groupKick(plr);
Groups::groupKick(plr->group, key);
// remove player's bullets
Combat::Bullets.erase(plr->iID);