mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-12-25 06:15:37 +03:00
added SinglePlugin forwards
This commit is contained in:
Pavol Marko
parent
7c4324b963
commit
e9e4b380cb
@ -53,14 +53,14 @@ CForward::CForward(const char *name, ForwardExecType et, int numParams, const Fo
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}
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}
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int CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
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cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
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{
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cell realParams[FORWARD_MAX_PARAMS];
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cell *physAddrs[FORWARD_MAX_PARAMS];
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const int STRINGEX_MAXLENGTH = 128;
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int globRetVal = 0;
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cell globRetVal = 0;
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for (CList<AMXForward>::iterator iter = m_Funcs.begin(); iter; ++iter)
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{
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@ -159,28 +159,179 @@ int CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
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return globRetVal;
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}
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void CSPForward::Set(int func, AMX *amx, int numParams, const ForwardParam *paramTypes)
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{
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m_Func = func;
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m_Amx = amx;
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m_NumParams = numParams;
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memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
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m_HasFunc = true;
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}
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void CSPForward::Set(const char *funcName, AMX *amx, int numParams, const ForwardParam *paramTypes)
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{
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m_Amx = amx;
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m_NumParams = numParams;
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memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
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m_HasFunc = (amx_FindPublic(amx, funcName, &m_Func) == AMX_ERR_NONE);
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}
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cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
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{
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const int STRINGEX_MAXLENGTH = 128;
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cell realParams[FORWARD_MAX_PARAMS];
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cell *physAddrs[FORWARD_MAX_PARAMS];
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if (!m_HasFunc)
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return 0;
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CPluginMngr::CPlugin *pPlugin = g_plugins.findPluginFast(m_Amx);
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if (!pPlugin->isExecutable(m_Func))
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return 0;
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// handle strings & arrays
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int i;
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for (i = 0; i < m_NumParams; ++i)
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{
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if (m_ParamTypes[i] == FP_STRING || m_ParamTypes[i] == FP_STRINGEX)
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{
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cell *tmp;
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amx_Allot(m_Amx,
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(m_ParamTypes[i] == FP_STRING) ? strlen(reinterpret_cast<const char*>(params[i]))+1 : STRINGEX_MAXLENGTH,
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&realParams[i], &tmp);
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amx_SetString(tmp, (const char *)(params[i]), 0, 0);
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physAddrs[i] = tmp;
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}
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else if (m_ParamTypes[i] == FP_ARRAY)
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{
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cell *tmp;
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amx_Allot(m_Amx, preparedArrays[params[i]].size,
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&realParams[i], &tmp);
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physAddrs[i] = tmp;
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if (preparedArrays[params[i]].type == Type_Cell)
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{
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memcpy(tmp, preparedArrays[params[i]].ptr, preparedArrays[params[i]].size * sizeof(cell));
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}
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else
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{
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char *data = (char*)preparedArrays[params[i]].ptr;
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for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
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*tmp++ = (static_cast<cell>(*data++)) & 0xFF;
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}
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}
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else
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{
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realParams[i] = params[i];
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}
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}
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// exec
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cell retVal;
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amx_Execv(m_Amx, &retVal, m_Func, m_NumParams, realParams);
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// cleanup strings & arrays
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for (i = 0; i < m_NumParams; ++i)
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{
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if (m_ParamTypes[i] == FP_STRING)
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{
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amx_Release(m_Amx, realParams[i]);
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}
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else if (m_ParamTypes[i] == FP_STRINGEX)
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{
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// copy back
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amx_GetString(reinterpret_cast<char*>(params[i]), physAddrs[i], 0);
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amx_Release(m_Amx, realParams[i]);
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}
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else if (m_ParamTypes[i] == FP_ARRAY)
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{
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// copy back
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cell *tmp = physAddrs[i];
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if (preparedArrays[params[i]].type == Type_Cell)
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{
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memcpy(preparedArrays[params[i]].ptr, tmp, preparedArrays[params[i]].size * sizeof(cell));
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}
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else
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{
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char *data = (char*)preparedArrays[params[i]].ptr;
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for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
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*data++ = static_cast<char>(*tmp++ & 0xFF);
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}
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amx_Release(m_Amx, realParams[i]);
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}
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}
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return retVal;
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}
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int CForwardMngr::registerForward(const char *funcName, ForwardExecType et, int numParams, const ForwardParam * paramTypes)
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{
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int retVal = m_Forwards.size();
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int retVal = m_Forwards.size() << 1;
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m_Forwards.push_back(new CForward(funcName, et, numParams, paramTypes));
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return retVal;
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}
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int CForwardMngr::registerSPForward(int func, AMX *amx, int numParams, const ForwardParam *paramTypes)
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{
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int retVal = (m_SPForwards.size() << 1) | 1;
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CSPForward *pForward;
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if (m_FreeSPForwards.size())
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{
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pForward = m_SPForwards[m_FreeSPForwards.back()];
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m_FreeSPForwards.pop_back();
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pForward->Set(func, amx, numParams, paramTypes);
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}
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else
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{
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pForward = new CSPForward();
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if (!pForward)
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return -1;
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pForward->Set(func, amx, numParams, paramTypes);
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m_SPForwards.push_back(pForward);
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}
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return retVal;
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}
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int CForwardMngr::registerSPForward(const char *funcName, AMX *amx, int numParams, const ForwardParam *paramTypes)
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{
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int retVal = (m_SPForwards.size() << 1) | 1;
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CSPForward *pForward;
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if (m_FreeSPForwards.size())
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{
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pForward = m_SPForwards[m_FreeSPForwards.back()];
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m_FreeSPForwards.pop_back();
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pForward->Set(funcName, amx, numParams, paramTypes);
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}
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else
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{
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pForward = new CSPForward();
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if (!pForward)
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return -1;
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pForward->Set(funcName, amx, numParams, paramTypes);
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m_SPForwards.push_back(pForward);
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}
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return retVal;
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}
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bool CForwardMngr::isIdValid(int id) const
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{
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return (id >= 0) && (static_cast<size_t>(id) < m_Forwards.size());
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return (id >= 0) && ((id & 1) ?
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(static_cast<size_t>(id >> 1) < m_SPForwards.size()) :
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(static_cast<size_t>(id >> 1) < m_Forwards.size()));
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}
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int CForwardMngr::executeForwards(int id, cell *params)
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cell CForwardMngr::executeForwards(int id, cell *params)
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{
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int retVal = m_Forwards[id]->execute(params, m_TmpArrays);
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int retVal = (id & 1) ? m_SPForwards[id >> 1]->execute(params, m_TmpArrays) :
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m_Forwards[id >> 1]->execute(params, m_TmpArrays);
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m_TmpArraysNum = 0;
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return retVal;
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}
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int CForwardMngr::getParamsNum(int id) const
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{
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return m_Forwards[id]->getParamsNum();
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return (id & 1) ? m_SPForwards[id >> 1]->getParamsNum() :
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m_Forwards[id >> 1]->getParamsNum();
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}
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void CForwardMngr::clear()
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@ -189,10 +340,28 @@ void CForwardMngr::clear()
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{
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delete (*iter);
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}
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SPForwardVec::iterator spIter;
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for (spIter = m_SPForwards.begin(); spIter != m_SPForwards.end(); ++spIter)
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{
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delete (*spIter);
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}
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m_Forwards.clear();
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m_SPForwards.clear();
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m_FreeSPForwards.clear();
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m_TmpArraysNum = 0;
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}
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bool CForwardMngr::isSPForward(int id) const
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{
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return ((id & 1) == 0) ? false : true;
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}
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void CForwardMngr::unregisterSPForward(int id)
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{
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m_FreeSPForwards.push_back(id);
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}
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int registerForward(const char *funcName, ForwardExecType et, ...)
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{
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int curParam = 0;
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@ -214,7 +383,49 @@ int registerForward(const char *funcName, ForwardExecType et, ...)
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return g_forwards.registerForward(funcName, et, curParam, params);
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}
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int executeForwards(int id, ...)
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int registerSPForwardByName(AMX *amx, const char *funcName, ...)
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{
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int curParam = 0;
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va_list argptr;
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va_start(argptr, funcName);
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ForwardParam params[FORWARD_MAX_PARAMS];
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ForwardParam tmp;
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while (true)
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{
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if (curParam == FORWARD_MAX_PARAMS)
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break;
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tmp = (ForwardParam)va_arg(argptr, int);
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if (tmp == FP_DONE)
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break;
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params[curParam] = tmp;
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++curParam;
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}
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va_end(argptr);
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return g_forwards.registerSPForward(funcName, amx, curParam, params);
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}
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int registerSPForward(AMX *amx, int func, ...)
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{
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int curParam = 0;
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va_list argptr;
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va_start(argptr, func);
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ForwardParam params[FORWARD_MAX_PARAMS];
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ForwardParam tmp;
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while (true)
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{
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if (curParam == FORWARD_MAX_PARAMS)
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break;
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tmp = (ForwardParam)va_arg(argptr, int);
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if (tmp == FP_DONE)
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break;
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params[curParam] = tmp;
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++curParam;
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}
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va_end(argptr);
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return g_forwards.registerSPForward(func, amx, curParam, params);
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}
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cell executeForwards(int id, ...)
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{
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if (!g_forwards.isIdValid(id))
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return -1;
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@ -253,3 +464,8 @@ cell prepareCharArray(char *ptr, unsigned int size)
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{
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return g_forwards.prepareArray((void*)ptr, size, Type_Char);
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}
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void unregisterSPForward(int id)
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{
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g_forwards.unregisterSPForward(id);
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}
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@ -29,13 +29,23 @@
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* version.
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*/
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/*
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CForward.h
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forwards
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1) normal forwards: called in all plugins
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2) single plugin (sp) forwards: called in one plugin
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The SP Forwards are handled differently because they are expected to be created / deleted
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often, but the "normal" forwards are expected to be initialized at start up.
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Note about forward ids:
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for normal forwards: <index to vector> << 1
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for sp forwards: (<index to vector> << 1) | 1
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*/
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#ifndef FORWARD_H
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#define FORWARD_H
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// *****************************************************
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// class CmdMngr
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// *****************************************************
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const int FORWARD_MAX_PARAMS = 16;
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enum ForwardExecType
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@ -57,6 +67,7 @@ enum ForwardParam
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FP_ARRAY, // array; use the return value of prepareArray.
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};
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// for prepareArray
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enum ForwardArrayElemType
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{
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Type_Cell = 0,
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@ -65,12 +76,12 @@ enum ForwardArrayElemType
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struct ForwardPreparedArray
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{
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void *ptr;
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ForwardArrayElemType type;
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unsigned int size;
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};
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// Normal forward
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class CForward
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{
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const char *m_FuncName;
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@ -88,17 +99,53 @@ public:
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CForward(const char *name, ForwardExecType et, int numParams, const ForwardParam * paramTypes);
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CForward()
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{ } // leaves everything unitialized
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int execute(cell *params, ForwardPreparedArray *preparedArrays);
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cell execute(cell *params, ForwardPreparedArray *preparedArrays);
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int getParamsNum() const
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{
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return m_NumParams;
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}
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int getFuncsNum() const
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{
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return m_Funcs.size();
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}
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};
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// Single plugin forward
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class CSPForward
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{
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const char *m_FuncName;
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int m_NumParams;
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ForwardParam m_ParamTypes[FORWARD_MAX_PARAMS];
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AMX *m_Amx;
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int m_Func;
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bool m_HasFunc;
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public:
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CSPForward() { m_HasFunc = false; }
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void Set(const char *funcName, AMX *amx, int numParams, const ForwardParam * paramTypes);
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void Set(int func, AMX *amx, int numParams, const ForwardParam * paramTypes);
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cell execute(cell *params, ForwardPreparedArray *preparedArrays);
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int getParamsNum() const
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{
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return m_NumParams;
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}
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int getFuncsNum() const
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{
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return (m_HasFunc) ? 1 : 0;
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}
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};
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class CForwardMngr
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{
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typedef CVector<CForward*> ForwardVec;
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typedef CVector<CSPForward*> SPForwardVec;
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typedef CVector<int> FreeSPVec; // Free SP Forwards
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ForwardVec m_Forwards;
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SPForwardVec m_SPForwards;
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FreeSPVec m_FreeSPForwards; // so we don't have to free memory
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ForwardPreparedArray m_TmpArrays[FORWARD_MAX_PARAMS]; // used by prepareArray
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int m_TmpArraysNum;
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public:
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@ -109,18 +156,31 @@ public:
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{ }
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// Interface
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// Register normal forward
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int registerForward(const char *funcName, ForwardExecType et, int numParams, const ForwardParam *paramTypes);
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int executeForwards(int id, cell *params);
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// Register single plugin forward
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int registerSPForward(const char *funcName, AMX *amx, int numParams, const ForwardParam * paramTypes);
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int registerSPForward(int func, AMX *amx, int numParams, const ForwardParam * paramTypes);
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// Unregister single plugin forward
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void unregisterSPForward(int id);
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// execute forward
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cell executeForwards(int id, cell *params);
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void clear(); // delete all forwards
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bool isIdValid(int id) const;
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int getParamsNum(int id) const;
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cell prepareArray(void *ptr, unsigned int size, ForwardArrayElemType type);
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bool isIdValid(int id) const; // check whether forward id is valid
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bool isSPForward(int id) const; // check whether forward is single plugin
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int getParamsNum(int id) const; // get num of params of a forward
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int getFuncsNum(int id) const; // get num of found functions of a forward
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cell prepareArray(void *ptr, unsigned int size, ForwardArrayElemType type); // prepare array
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};
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// register forward
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// (un)register forward
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int registerForward(const char *funcName, ForwardExecType et, ...);
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int registerSPForwardByName(AMX *amx, const char *funcName, ...);
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int registerSPForward(AMX *amx, int func, ...);
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void unregisterSPForward(int id);
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// execute forwards
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int executeForwards(int id, ...);
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cell executeForwards(int id, ...);
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// prepare array
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cell prepareCellArray(cell *ptr, unsigned int size);
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cell prepareCharArray(char *ptr, unsigned int size);
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