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Sanity checks + Starting level changes (#31)

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* Sanity checks + Starting level changes

- Item movement handler checks to make sure items aren't moved from equipment slot to equipment slot.
- Item give command checks to make sure an out of bounds item is not spawned (Below iType 0 or above iType 8)
- Players now begin at level 36, consequently the item give command does not level you up now.

* Sanity Check

- Prevents out of bounds item movement by comparing it to AINVEN_COUNT.
This commit is contained in:
JadeShrineMaiden 2020-08-24 09:07:51 +01:00 committed by GitHub
parent 55add82843
commit ff5f3966e3
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 29 additions and 10 deletions
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4
src/CNLoginServer.cpp
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@ -208,11 +208,11 @@ void CNLoginServer::handlePacket(CNSocket* sock, CNPacketData* data) {
resp.sPC_Style2.iAppearanceFlag = 1;
resp.sPC_Style2.iTutorialFlag = 1;
resp.sPC_Style2.iPayzoneFlag = 1;
resp.iLevel = 1;
resp.iLevel = 36;
resp.sOn_Item = character->sOn_Item;
loginSessions[sock].characters[UID] = Player();
loginSessions[sock].characters[UID].level = 1;
loginSessions[sock].characters[UID].level = 36;
loginSessions[sock].characters[UID].FEKey = sock->getFEKey();
loginSessions[sock].characters[UID].PCStyle = character->PCStyle;
loginSessions[sock].characters[UID].PCStyle2.iAppearanceFlag = 1;

33
src/ItemManager.cpp
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@ -16,8 +16,25 @@ void ItemManager::itemMoveHandler(CNSocket* sock, CNPacketData* data) {
sP_CL2FE_REQ_ITEM_MOVE* itemmove = (sP_CL2FE_REQ_ITEM_MOVE*)data->buf;
INITSTRUCT(sP_FE2CL_PC_ITEM_MOVE_SUCC, resp);
PlayerView& plr = PlayerManager::players[sock];
if (itemmove->eFrom == 0 && itemmove->eTo == 0) {
// this packet should never happen, tell the client to do nothing and do nothing ourself
resp.eTo = itemmove->eFrom;
resp.iToSlotNum = itemmove->iFromSlotNum;
resp.ToSlotItem = plr.plr.Equip[itemmove->iToSlotNum];
resp.eFrom = itemmove->eTo;
resp.iFromSlotNum = itemmove->iToSlotNum;
resp.FromSlotItem = plr.plr.Equip[itemmove->iFromSlotNum];
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_ITEM_DELETE_SUCC, sizeof(sP_FE2CL_REP_PC_ITEM_DELETE_SUCC));
return;
}
if (itemmove->iToSlotNum > AINVEN_COUNT)
return; // sanity checks
sItemBase fromItem;
sItemBase toItem;
@ -109,7 +126,8 @@ void ItemManager::itemGMGiveHandler(CNSocket* sock, CNPacketData* data) {
if (itemreq->eIL == 2) {
// Quest item, not a real item, handle this later, stubbed for now
// sock->sendPacket(new CNPacketData((void*)resp, P_FE2CL_REP_PC_GIVE_ITEM_FAIL, sizeof(sP_FE2CL_REP_PC_GIVE_ITEM_FAIL), sock->getFEKey()));
} else if (itemreq->eIL == 1) {
} else if (itemreq->eIL == 1 && itemreq->Item.iType >= 0 && itemreq->Item.iType <= 8) {
INITSTRUCT(sP_FE2CL_REP_PC_GIVE_ITEM_SUCC, resp);
resp.eIL = itemreq->eIL;
@ -117,17 +135,18 @@ void ItemManager::itemGMGiveHandler(CNSocket* sock, CNPacketData* data) {
resp.Item = itemreq->Item;
plr.plr.Inven[itemreq->iSlotNum] = itemreq->Item;
plr.plr.level = 36;
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_GIVE_ITEM_SUCC, sizeof(sP_FE2CL_REP_PC_GIVE_ITEM_SUCC));
// some items require a level, for now we're just going to bypass this by setting your level to 36
//plr.plr.level = 36;
sP_FE2CL_REP_PC_CHANGE_LEVEL resp2;
//sP_FE2CL_REP_PC_CHANGE_LEVEL resp2;
resp2.iPC_ID = plr.plr.iID;
resp2.iPC_Level = 36;
//resp2.iPC_ID = plr.plr.iID;
//resp2.iPC_Level = 36;
sock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_CHANGE_LEVEL, sizeof(sP_FE2CL_REP_PC_CHANGE_LEVEL));
//sock->sendPacket((void*)&resp2, P_FE2CL_REP_PC_CHANGE_LEVEL, sizeof(sP_FE2CL_REP_PC_CHANGE_LEVEL));
// saving this for later use on a /level command
}
}

2
src/PlayerManager.cpp
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@ -187,7 +187,7 @@ void PlayerManager::enterPlayer(CNSocket* sock, CNPacketData* data) {
response.iID = rand();
response.uiSvrTime = getTime();
response.PCLoadData2CL.iUserLevel = 1;
response.PCLoadData2CL.iHP = 1000 * plr.level;
response.PCLoadData2CL.iHP = 3625; //TODO: Check player levelupdata and get this right
response.PCLoadData2CL.iLevel = plr.level;
response.PCLoadData2CL.iMentor = 1;
response.PCLoadData2CL.iMentorCount = 4;