Prometheus/NetVarManager.cpp at master · morrx/Prometheus · GitHub

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#include "SDK.h"
#include "CommonIncludes.h"

void CNetVarManager::Initialize()
{
	m_tables.clear();

	ClientClass *clientClass = g_CHLClient->GetAllClasses();
	if (!clientClass)
		return;

	while (clientClass)
	{
		RecvTable *recvTable = clientClass->m_pRecvTable;
		m_tables.push_back(recvTable);

		clientClass = clientClass->m_pNext;
	}

}

int CNetVarManager::GetOffset(const char *tableName, const char *propName)
{
	int offset = Get_Prop(tableName, propName);
	if (!offset)
	{
		return 0;
	}

	return offset;
}

bool CNetVarManager::HookProp(const char *tableName, const char *propName, RecvVarProxyFn fun)
{
	RecvProp *recvProp = 0;
	Get_Prop(tableName, propName, &recvProp);
	if (!recvProp)
		return false;

	recvProp->m_ProxyFn = fun;
	return true;
}
DWORD CNetVarManager::hookProp(const char* tableName, const char* propName, void* hkFunc, void* oldFn)
{
	RecvProp* recvProp;
	Get_Prop(tableName, propName, &recvProp);

	if (!recvProp)
		return false;

	DWORD old = (DWORD)recvProp->m_ProxyFn;
	recvProp->m_ProxyFn = (RecvVarProxyFn)hkFunc;

	return old;
}
int CNetVarManager::Get_Prop(const char *tableName, const char *propName, RecvProp **prop)
{
	RecvTable *recvTable = GetTable(tableName);
	if (!recvTable)
		return 0;

	int offset = Get_Prop(recvTable, propName, prop);
	if (!offset)
		return 0;
	return offset;
}

int CNetVarManager::Get_Prop(RecvTable *recvTable, const char *propName, RecvProp **prop)
{
	int extraOffset = 0;
	for (int i = 0; i < recvTable->m_nProps; ++i)
	{
		RecvProp *recvProp = &recvTable->m_pProps[i];
		RecvTable *child = recvProp->m_pDataTable;

		if (child && (child->m_nProps > 0))
		{
			int tmp = Get_Prop(child, propName, prop);
			if (tmp)
				extraOffset += (recvProp->m_Offset + tmp);
		}

		if (_stricmp(recvProp->m_pVarName, propName))
			continue;

		if (prop)
			*prop = recvProp;

		return (recvProp->m_Offset + extraOffset);
	}
	return extraOffset;
}

RecvTable *CNetVarManager::GetTable(const char *tableName)
{
	if (m_tables.empty())
		return 0;

	for each (RecvTable *table in m_tables)
	{
		if (!table)
			continue;

		if (_stricmp(table->m_pNetTableName, tableName) == 0)
			return table;
	}
	return 0;
}


CNetVarManager* NetVarManager = new CNetVarManager;