void CUser::UserInOut(uint8 bType)
{
if (GetRegion() == nullptr)
return;
Packet result;
if (bType != INOUT_OUT)
ResetGMVisibility();
GetInOut(result, bType);
if (bType == INOUT_OUT)
GetRegion()->Remove(this);
else
GetRegion()->Add(this);
SendToRegion(&result, this, GetEventRoom());
if (bType == INOUT_OUT || !isBlinking())
{
result.Initialize(AG_USER_INOUT);
result.SByte();
result << bType << GetSocketID() << GetName() << m_curx << m_curz;
Send_AIServer(&result);
}
}
void CUser::MoveProcess(Packet & pkt)
{
ASSERT(GetMap() != nullptr);
if (m_bWarp || isDead())
return;
uint16 will_x, will_z, will_y;
int16 speed=0;
float real_x, real_z, real_y;
uint8 echo;
pkt >> will_x >> will_z >> will_y >> speed >> echo;
real_x = will_x/10.0f; real_z = will_z/10.0f; real_y = will_y/10.0f;
if (!isGM())
{
// TO-DO: Handle proper speed checks against server-side amounts.
// We should also avoid relying on what the client has sent us.
if (speed > 200) // What is the signifance of this number? Considering 90 is light feet...
// We shouldn't be using magic numbers at all here.
{
Disconnect();
return;
}
}
if (!GetMap()->IsValidPosition(real_x, real_z, real_y))
return;
if (m_oldx != GetX()
|| m_oldz != GetZ())
{
m_oldx = GetX();
m_oldy = GetY();
m_oldz = GetZ();
}
// TO-DO: Ensure this is checked properly to prevent speedhacking
SetPosition(real_x, real_y, real_z);
if (RegisterRegion())
{
g_pMain->RegionNpcInfoForMe(this);
g_pMain->RegionUserInOutForMe(this);
g_pMain->MerchantUserInOutForMe(this);
}
if (m_bInvisibilityType == INVIS_DISPEL_ON_MOVE)
CMagicProcess::RemoveStealth(this, INVIS_DISPEL_ON_MOVE);
Packet result(WIZ_MOVE);
result << GetSocketID() << will_x << will_z << will_y << speed << echo;
SendToRegion(&result);
GetMap()->CheckEvent(real_x, real_z, this);
result.Initialize(AG_USER_MOVE);
result << GetSocketID() << m_curx << m_curz << m_cury << speed;
Send_AIServer(&result);
}
void CUser::Rotate(Packet & pkt)
{
if (isDead())
return;
Packet result(WIZ_ROTATE);
pkt >> m_sDirection;
result << GetSocketID() << m_sDirection;
SendToRegion(&result, this);
}
/**
* @brief Sends the movement packet for the NPC.
*
* @param fPosX The position x coordinate.
* @param fPosY The position y coordinate.
* @param fPosZ The position z coordinate.
* @param fSpeed The speed.
*/
void CNpc::MoveResult(float fPosX, float fPosY, float fPosZ, float fSpeed)
{
Packet result(WIZ_NPC_MOVE);
SetPosition(fPosX, fPosY, fPosZ);
RegisterRegion();
result << GetID() << GetSPosX() << GetSPosZ() << GetSPosY() << uint16(fSpeed * 10);
SendToRegion(&result);
}
void CUser::MerchantClose()
{
if (!isMerchanting())
return;
m_bMerchantState = MERCHANT_STATE_NONE;
GiveMerchantItems(); // Give back to the user that which hasn't been sold, if any.
Packet result(WIZ_MERCHANT, uint8(MERCHANT_CLOSE));
result << GetSocketID();
SendToRegion(&result);
}
void CUser::BuyingMerchantInsertRegion()
{
Packet result(WIZ_MERCHANT, uint8(MERCHANT_BUY_REGION_INSERT));
result << GetSocketID();
for (int i = 0; i < 4; i++)
{
result << m_arMerchantItems[i].nNum;
}
SendToRegion(&result);
}
void CUser::BuyingMerchantClose()
{
if (isMerchanting())
m_bMerchantState = MERCHANT_STATE_NONE;
else if (m_sMerchantsSocketID >= 0)
RemoveFromMerchantLookers();
else
return;
Packet result(WIZ_MERCHANT, uint8(MERCHANT_BUY_CLOSE));
result << GetSocketID();
SendToRegion(&result);
}
void CUser::MoveProcess(Packet & pkt)
{
ASSERT(GetMap() != nullptr);
if (m_bWarp || isDead())
return;
uint16 will_x, will_z, will_y;
int16 speed=0;
float real_x, real_z, real_y;
uint8 echo;
pkt >> will_x >> will_z >> will_y >> speed >> echo;
real_x = will_x/10.0f; real_z = will_z/10.0f; real_y = will_y/10.0f;
m_sSpeed = speed;
SpeedHackUser();
if (!GetMap()->IsValidPosition(real_x, real_z, real_y))
return;
if (m_oldx != GetX()
|| m_oldz != GetZ())
{
m_oldx = GetX();
m_oldy = GetY();
m_oldz = GetZ();
}
// TODO: Ensure this is checked properly to prevent speedhacking
SetPosition(real_x, real_y, real_z);
if (RegisterRegion())
{
g_pMain->RegionNpcInfoForMe(this);
g_pMain->RegionUserInOutForMe(this);
g_pMain->MerchantUserInOutForMe(this);
}
if (m_bInvisibilityType == INVIS_DISPEL_ON_MOVE)
CMagicProcess::RemoveStealth(this, INVIS_DISPEL_ON_MOVE);
Packet result(WIZ_MOVE);
result << GetSocketID() << will_x << will_z << will_y << speed << echo;
SendToRegion(&result);
GetMap()->CheckEvent(real_x, real_z, this);
result.Initialize(AG_USER_MOVE);
result << GetSocketID() << m_curx << m_curz << m_cury << speed;
Send_AIServer(&result);
}
void CUser::MerchantInsert(Packet & pkt)
{
string advertMessage; // check here maybe to make sure they're not using it otherwise?
pkt >> advertMessage;
if (advertMessage.size() > MAX_MERCH_MESSAGE)
return;
m_bMerchantState = MERCHANT_STATE_SELLING;
Packet result(WIZ_MERCHANT, uint8(MERCHANT_INSERT));
result << uint16(1) << advertMessage << GetSocketID()
<< m_bPremiumMerchant;
for (int i = 0; i < MAX_MERCH_ITEMS; i++)
result << m_arMerchantItems[i].nNum;
SendToRegion(&result);
}
void CUser::MerchantInsert(Packet & pkt)
{
std::string advertMessage;
pkt >> advertMessage;
if (advertMessage.empty() || advertMessage.size() >= MAX_MERCH_MESSAGE)
return;
m_bIsMerchanting = true;
TakeMerchantItems(); // Removing the items from the user's inventory
Packet result(WIZ_MERCHANT, uint8(MERCHANT_INSERT));
result << uint16(1) << advertMessage << GetSocketID()
<< uint8(0); // 0 is for "normal" merchant mode, 1 for "premium" merchant mode. Send "normal" until we have support for the skills.
for (int i = 0; i < MAX_MERCH_ITEMS; i++)
result << uint32(m_arSellingItems[i].nNum);
SendToRegion(&result);
}
/**
* @brief Sends a gate status.
*
* @param ObjectType object type
* @param bFlag The flag (open or shut).
* @param bSendAI true to update the AI server.
*/
void CNpc::SendGateFlag(uint8 objectType,uint8 bFlag /*= -1*/, bool bSendAI /*= true*/)
{
Packet result(WIZ_OBJECT_EVENT, uint8(objectType));
// If there's a flag to set, set it now.
if (bFlag >= 0)
m_byGateOpen = (bFlag == 1);
// Tell everyone nearby our new status.
result << uint8(1) << GetID() << m_byGateOpen;
SendToRegion(&result);
// Tell the AI server our new status
if (bSendAI)
{
result.Initialize(AG_NPC_GATE_OPEN);
result << GetID() << m_byGateOpen;
Send_AIServer(&result);
}
}
void CUser::MoveProcess(Packet & pkt)
{
ASSERT(GetMap() != NULL);
if (m_bWarp || isDead())
return;
uint16 will_x, will_z, will_y, speed=0;
float real_x, real_z, real_y;
uint8 echo;
pkt >> will_x >> will_z >> will_y >> speed >> echo;
real_x = will_x/10.0f; real_z = will_z/10.0f; real_y = will_y/10.0f;
if (!GetMap()->IsValidPosition(real_x, real_z, real_y))
return;
// TO-DO: Ensure this is checked properly to prevent speedhacking
m_curx = real_x;
m_curz = real_z;
m_cury = real_y;
if (RegisterRegion())
{
g_pMain->RegionNpcInfoForMe(this);
g_pMain->RegionUserInOutForMe(this);
g_pMain->MerchantUserInOutForMe(this);
}
if (m_bInvisibilityType == INVIS_DISPEL_ON_MOVE)
StateChangeServerDirect(7, INVIS_NONE);
Packet result(WIZ_MOVE);
result << GetSocketID() << will_x << will_z << will_y << speed << echo;
SendToRegion(&result);
GetMap()->CheckEvent(real_x, real_z, this);
result.Initialize(AG_USER_MOVE);
result << GetSocketID() << m_curx << m_curz << m_cury << speed;
Send_AIServer(&result);
}
void CUser::UserInOut(uint8 bType)
{
if (GetRegion() == NULL)
return;
Packet result;
GetInOut(result, bType);
if (bType == INOUT_OUT)
GetRegion()->Remove(this);
else
GetRegion()->Add(this);
SendToRegion(&result, this);
if (bType == INOUT_OUT || !isBlinking())
{
result.Initialize(AG_USER_INOUT);
result.SByte();
result << bType << GetSocketID() << m_pUserData.m_id << m_pUserData.m_curx << m_pUserData.m_curz;
g_pMain->Send_AIServer(&result);
}
}
/**
* @brief Constructs and sends an in/out packet for the NPC.
*
* @param bType The type (in or out).
* @param fX The x coordinate.
* @param fZ The z coordinate.
* @param fY The y coordinate.
*/
void CNpc::SendInOut(uint8 bType, float fX, float fZ, float fY)
{
if (GetRegion() == nullptr)
{
SetRegion(GetNewRegionX(), GetNewRegionZ());
if (GetRegion() == nullptr)
return;
}
if (bType == INOUT_OUT)
{
GetRegion()->Remove(this);
}
else
{
GetRegion()->Add(this);
SetPosition(fX, fY, fZ);
}
Packet result;
GetInOut(result, bType);
SendToRegion(&result);
}
void CUser::Attack(Packet & pkt)
{
int16 sid = -1, tid = -1, damage, delaytime, distance;
uint8 bType, bResult = 0;
Unit * pTarget = nullptr;
pkt >> bType >> bResult >> tid >> delaytime >> distance;
// delaytime = delaytime / 100.0f;
// distance = distance / 10.0f;
if (isIncapacitated())
return;
if (isInSafetyArea())
return;
if (m_bInvisibilityType != INVIS_NONE)
{
CMagicProcess::RemoveStealth(this, INVIS_DISPEL_ON_MOVE);
CMagicProcess::RemoveStealth(this, INVIS_DISPEL_ON_ATTACK);
}
// If you're holding a weapon, do a client-based (ugh, do not trust!) delay check.
_ITEM_TABLE *pTable = GetItemPrototype(RIGHTHAND);
if (pTable != nullptr)
{
if (delaytime < (pTable->m_sDelay + 10) // client adds 0.1 onto the interval (0.1 of 100 is 10)
|| distance > pTable->m_sRange)
return;
}
// Empty handed.
else if (delaytime < 100)
return;
pTarget = g_pMain->GetUnitPtr(tid);
bResult = ATTACK_FAIL;
if (pTarget != nullptr
&& isInAttackRange(pTarget)
&& CanAttack(pTarget))
{
if (isAttackable(pTarget) && CanCastRHit(GetSocketID()))
{
if (isInTempleEventZone())
if (GetUserGroup() != -1 && !isSameUserGroup(pTarget))
return;
CUser *pUser = g_pMain->GetUserPtr(GetSocketID());
if (pUser != nullptr)
pUser->m_RHitRepeatList.insert(std::make_pair(GetSocketID(), UNIXTIME));
damage = GetDamage(pTarget);
// Can't use R attacks in the Snow War.
if (GetZoneID() == ZONE_SNOW_BATTLE
&& g_pMain->m_byBattleOpen == SNOW_BATTLE)
damage = 0;
if (damage > 0)
{
pTarget->HpChange(-damage, this);
if (pTarget->isDead())
bResult = ATTACK_TARGET_DEAD;
else
bResult = ATTACK_SUCCESS;
// Every attack takes a little of your weapon's durability.
ItemWoreOut(ATTACK, damage);
// Every hit takes a little of the defender's armour durability.
if (pTarget->isPlayer())
TO_USER(pTarget)->ItemWoreOut(DEFENCE, damage);
}
}
}
Packet result(WIZ_ATTACK, bType);
result << bResult << GetSocketID() << tid;
SendToRegion(&result);
}
void CUser::Chat(Packet & pkt)
{
Packet result;
uint16 sessID;
uint8 type = pkt.read<uint8>(), bNation;
string chatstr, finalstr, strSender, * strMessage;
bool isAnnouncement = false;
if (isMuted())
return;
pkt >> chatstr;
if (chatstr.empty() || chatstr.size() > 128)
return;
// Process GM commands
if (isGM() && ProcessChatCommand(chatstr))
return;
#if 0 // Removed this - all it seems to do is cause chat to break for GMs (is it 19xx+ only?)
if( isGM() && type == GENERAL_CHAT)
type = 0x14;
#endif
// Handle GM notice & announcement commands
if (type == PUBLIC_CHAT || type == ANNOUNCEMENT_CHAT)
{
// Trying to use a GM command without authorisation? Bad player!
if (!isGM())
return;
if (type == ANNOUNCEMENT_CHAT)
type = WAR_SYSTEM_CHAT;
// This is horrible, but we'll live with it for now.
// Pull the notice string (#### NOTICE : %s ####) from the database.
// Format the chat string around it, so our chat data is within the notice
g_pMain->GetServerResource(IDP_ANNOUNCEMENT, &finalstr, chatstr.c_str());
isAnnouncement = true;
}
if (isAnnouncement)
{
// GM notice/announcements show no name, so don't bother setting it.
strMessage = &finalstr; // use the formatted message from the user
bNation = KARUS; // arbitrary nation
sessID = -1;
}
else
{
strMessage = &chatstr; // use the raw message from the user
strSender = GetName(); // everything else uses a name, so set it
bNation = GetNation();
sessID = GetSocketID();
}
ChatPacket::Construct(&result, type, strMessage, &strSender, bNation, sessID);
switch (type)
{
case GENERAL_CHAT:
g_pMain->Send_NearRegion(&result, GetMap(), GetRegionX(), GetRegionZ(), GetX(), GetZ());
break;
case PRIVATE_CHAT:
{
CUser *pUser = g_pMain->GetUserPtr(m_sPrivateChatUser);
if (pUser != nullptr)
pUser->Send(&result);
} break;
case PARTY_CHAT:
if (isInParty())
g_pMain->Send_PartyMember(m_sPartyIndex, &result);
break;
case SHOUT_CHAT:
if (m_sMp < (m_iMaxMp / 5))
break;
// Characters under level 35 require 3,000 coins to shout.
if (!isGM()
&& GetLevel() < 35
&& !GoldLose(SHOUT_COIN_REQUIREMENT))
break;
MSpChange(-(m_iMaxMp / 5));
SendToRegion(&result);
break;
case KNIGHTS_CHAT:
if (isInClan())
g_pMain->Send_KnightsMember(GetClanID(), &result);
break;
case PUBLIC_CHAT:
case ANNOUNCEMENT_CHAT:
if (isGM())
g_pMain->Send_All(&result);
break;
case COMMAND_CHAT:
if (GetFame() == COMMAND_CAPTAIN)
g_pMain->Send_CommandChat(&result, m_bNation, this);
break;
case MERCHANT_CHAT:
if (isMerchanting())
SendToRegion(&result);
break;
case ALLIANCE_CHAT:
if (isInClan())
{
CKnights *pKnights = g_pMain->GetClanPtr(GetClanID());
if (pKnights != nullptr && pKnights->isInAlliance())
g_pMain->Send_KnightsAlliance(pKnights->GetAllianceID(), &result);
}
break;
case WAR_SYSTEM_CHAT:
if (isGM())
g_pMain->Send_All(&result);
break;
}
}
void CUser::Chat(Packet & pkt)
{
Packet result(WIZ_CHAT);
uint8 type = pkt.read<uint8>();
char finalstr[1024] = "";
std::string buff, chatstr;
bool isAnnouncement = false;
if (isMuted())
return;
pkt >> chatstr;
if (chatstr.empty() || chatstr.size() > 128)
return;
// Process GM commands
if (isGM() && ProcessChatCommand(chatstr))
return;
#if 0 // Removed this - all it seems to do is cause chat to break for GMs (is it 19xx+ only?)
if( isGM() && type == GENERAL_CHAT)
type = 0x14;
#endif
uint8 bNation = GetNation();
uint16 sessID = GetSocketID();
// Handle GM notice & announcement commands
if (type == PUBLIC_CHAT || type == ANNOUNCEMENT_CHAT)
{
// Trying to use a GM command without authorisation? Bad player!
if (!isGM())
return;
if (type == ANNOUNCEMENT_CHAT)
type = WAR_SYSTEM_CHAT;
// This is horrible, but we'll live with it for now.
// Pull the notice string (#### NOTICE : %s ####) from the database.
CString noticeText = g_pMain->GetServerResource(IDP_ANNOUNCEMENT);
// Format the chat string around it, so our chat data is within the notice
sprintf_s(finalstr, sizeof(finalstr), noticeText, chatstr.c_str());
bNation = KARUS; // arbitrary nation
sessID = -1;
isAnnouncement = true;
}
result.SByte();
result << type << bNation << sessID;
if (isAnnouncement)
{
result << uint8(0); // GM notice/announcements show no name (so specify length of 0)
result.DByte();
result << finalstr; // now tack on the formatted message from the user
}
else
{
result << m_pUserData.m_id; // everything else provides a name
result.DByte();
result << chatstr; // now tack on the chat message from the user
}
switch (type)
{
case GENERAL_CHAT:
g_pMain->Send_NearRegion(&result, GetMap(), GetRegionX(), GetRegionZ(), GetX(), GetZ());
break;
case PRIVATE_CHAT:
{
if (m_sPrivateChatUser == GetSocketID())
break;
CUser *pUser = g_pMain->GetUserPtr(m_sPrivateChatUser);
if (pUser != NULL)
pUser->Send(&result);
} break;
case PARTY_CHAT:
if (isInParty())
g_pMain->Send_PartyMember(m_sPartyIndex, &result);
break;
case SHOUT_CHAT:
if (m_pUserData.m_sMp < (m_iMaxMp / 5))
break;
// Characters under level 35 require 3,000 coins to shout.
if (!isGM()
&& GetLevel() < 35
&& !GoldLose(SHOUT_COIN_REQUIREMENT))
break;
MSpChange(-(m_iMaxMp / 5));
SendToRegion(&result);
break;
case KNIGHTS_CHAT:
if (isInClan())
g_pMain->Send_KnightsMember(GetClanID(), &result);
break;
case PUBLIC_CHAT:
case ANNOUNCEMENT_CHAT:
if (isGM())
g_pMain->Send_All(&result);
break;
case COMMAND_CHAT:
if (getFame() == COMMAND_CAPTAIN)
g_pMain->Send_CommandChat(&result, m_pUserData.m_bNation, this);
break;
case MERCHANT_CHAT:
if (isMerchanting())
SendToRegion(&result);
break;
case WAR_SYSTEM_CHAT:
if (isGM())
g_pMain->Send_All(&result);
break;
}
}
void CUser::Attack(Packet & pkt)
{
Packet result;
int16 sid = -1, tid = -1, damage, delaytime, distance;
uint8 bType, bResult;
CUser* pTUser = NULL;
pkt >> bType >> bResult >> tid >> delaytime >> distance;
// delaytime = delaytime / 100.0f;
// distance = distance / 10.0f;
if (isBlinking()
|| isDead())
return;
_ITEM_TABLE *pTable = GetItemPrototype(RIGHTHAND);
if (pTable == NULL)
return;
// If you're holding a weapon, do a client-based (ugh, do not trust!) delay check.
if (pTable
&& (delaytime < pTable->m_sDelay
|| distance > pTable->m_sRange))
return;
// Empty handed.
else if (delaytime < 100)
return;
// We're attacking a player...
if (tid < NPC_BAND)
{
pTUser = g_pMain->GetUserPtr(tid);
if (pTUser == NULL || pTUser->isDead() || pTUser->isBlinking()
|| (pTUser->GetNation() == GetNation() && GetZoneID() != 48 /* TO-DO: implement better checks */)
|| !isAttackZone())
bResult = 0;
else
{
damage = GetDamage(pTUser, NULL);
if (GetZoneID() == ZONE_SNOW_BATTLE && g_pMain->m_byBattleOpen == SNOW_BATTLE)
damage = 0;
if (damage <= 0)
bResult = 0;
else
{
// TO-DO: Move all this redundant code into appropriate event-based methods so that all the other cases don't have to copypasta (and forget stuff).
pTUser->HpChange(-damage, this);
if (pTUser->isDead())
bResult = 2;
ItemWoreOut(ATTACK, damage);
pTUser->ItemWoreOut(DEFENCE, damage);
SendTargetHP(0, tid, -damage);
}
}
}
// We're attacking an NPC...
else if (tid >= NPC_BAND)
{
// AI hasn't loaded yet
if (g_pMain->m_bPointCheckFlag == FALSE)
return;
CNpc *pNpc = g_pMain->m_arNpcArray.GetData(tid);
if (pNpc != NULL && pNpc->isAlive()
&& (pNpc->GetNation() == 0 || pNpc->GetNation() == GetNation()))
{
result.SetOpcode(AG_ATTACK_REQ);
result << bType << bResult
<< GetSocketID() << tid
<< uint16(m_sTotalHit * m_bAttackAmount / 100)
<< uint16(m_sTotalAc + m_sACAmount)
<< m_sTotalHitrate /* this is actually a float. screwed up naming... */
<< m_sTotalEvasionrate /* also a float */
<< m_sItemAc
<< m_bMagicTypeLeftHand << m_bMagicTypeRightHand
<< m_sMagicAmountLeftHand << m_sMagicAmountRightHand;
g_pMain->Send_AIServer(&result);
return;
}
}
result.SetOpcode(WIZ_ATTACK);
result << bType << bResult << GetSocketID() << tid;
SendToRegion(&result);
if (tid < NPC_BAND
&& bResult == 2 // 2 means a player died.
&& pTUser)
{
pTUser->Send(&result);
TRACE("*** User Attack Dead, id=%s, result=%d, type=%d, HP=%d\n", pTUser->m_pUserData->m_id, bResult, pTUser->m_bResHpType, pTUser->m_pUserData->m_sHp);
}
}