mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-12-25 06:15:37 +03:00
rewritten
This commit is contained in:
Pavol Marko
parent
64bf40aaa3
commit
06da72658b
@ -32,49 +32,221 @@
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#include <extdll.h>
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#include <meta_api.h>
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#include "amxmodx.h"
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#include "CForward.h"
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void CForwardMngr::registerForward( CPluginMngr::CPlugin* p, int func , int type ){
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CForward** a = &head[ type ];
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while(*a) a = &(*a)->next;
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*a = new CForward( p , func );
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CForward::CForward(const char *name, ForwardExecType et, int numParams, const ForwardParam *paramTypes)
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{
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m_FuncName = name;
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m_ExecType = et;
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m_NumParams = numParams;
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memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
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// find funcs
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int func;
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AMXForward *tmp = NULL;
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for (CPluginMngr::iterator iter = g_plugins.begin(); iter; ++iter)
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{
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if (amx_FindPublic((*iter).getAMX(), name, &func) == AMX_ERR_NONE)
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{
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tmp = new AMXForward;
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tmp->pPlugin = &(*iter);
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tmp->func = func;
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m_Funcs.put(tmp);
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}
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}
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}
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void CForwardMngr::clearForwards( CForward** a ){
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while( *a ) {
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CForward* b = (*a)->next;
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delete *a;
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*a = b;
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int 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 STRINGEX_MAXLENGTH = 128;
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int globRetVal = 0;
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for (CList<AMXForward>::iterator iter = m_Funcs.begin(); iter; ++iter)
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{
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if ((*iter).pPlugin->isExecutable((*iter).func))
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{
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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((*iter).pPlugin->getAMX(),
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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((*iter).pPlugin->getAMX(), 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((*iter).pPlugin->getAMX(), &retVal, (*iter).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((*iter).pPlugin->getAMX(), 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((*iter).pPlugin->getAMX(), 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((*iter).pPlugin->getAMX(), realParams[i]);
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}
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}
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// decide what to do (based on exectype and retval)
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switch (m_ExecType)
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{
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case ET_IGNORE:
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break;
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case ET_STOP:
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if (retVal > 0)
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return retVal;
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case ET_STOP2:
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if (retVal == 1)
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return 1;
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else if (retVal > globRetVal)
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globRetVal = retVal;
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break;
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case ET_CONTINUE:
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if (retVal > globRetVal)
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globRetVal = retVal;
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break;
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}
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}
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}
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return globRetVal;
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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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m_Forwards.push_back(new CForward(funcName, et, numParams, paramTypes));
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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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}
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int 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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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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}
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void CForwardMngr::clear()
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{
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for ( int a = 0; a < FORWARD_NUM; ++a )
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clearForwards( &head[ a ] );
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}
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void CForwardMngr::executeForwards( int type , int num , int player ) {
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cell ret = 0;
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int err;
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CForward* a = head[ type ];
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while ( a )
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for (ForwardVec::iterator iter = m_Forwards.begin(); iter != m_Forwards.end(); ++iter)
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{
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if ( a->getPlugin()->isExecutable( a->getFunction() ) )
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{
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if ((err = amx_Exec(a->getPlugin()->getAMX(), &ret, a->getFunction() , num, player)) != AMX_ERR_NONE)
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AMXXLOG_Log("[AMXX] Run time error %d on line %ld (plugin \"%s\")", err,a->getPlugin()->getAMX()->curline,a->getPlugin()->getName());
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if ( ret )
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break;
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}
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a = a->next;
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delete (*iter);
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}
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m_Forwards.clear();
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m_TmpArraysNum = 0;
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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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va_list argptr;
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va_start(argptr, et);
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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 = va_arg(argptr, ForwardParam);
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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.registerForward(funcName, et, curParam, params);
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}
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int 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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cell params[FORWARD_MAX_PARAMS];
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int paramsNum = g_forwards.getParamsNum(id);
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va_list argptr;
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va_start(argptr, id);
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for (int i = 0; i < paramsNum && i < FORWARD_MAX_PARAMS; ++i)
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{
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params[i] = va_arg(argptr, cell);
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}
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va_end(argptr);
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return g_forwards.executeForwards(id, params);
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}
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cell CForwardMngr::prepareArray(void *ptr, unsigned int size, ForwardArrayElemType type)
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{
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m_TmpArrays[m_TmpArraysNum].ptr = ptr;
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m_TmpArrays[m_TmpArraysNum].size = size;
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m_TmpArrays[m_TmpArraysNum].type = type;
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return m_TmpArraysNum++;
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}
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cell prepareCellArray(cell *ptr, unsigned int size)
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{
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return g_forwards.prepareArray((void*)ptr, size, Type_Cell);
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}
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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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@ -36,80 +36,94 @@
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// class CmdMngr
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// *****************************************************
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#define FORWARD_NUM 12
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const int FORWARD_MAX_PARAMS = 16;
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enum {
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FF_ClientCommand,
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FF_ClientConnect,
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FF_ClientDisconnect,
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FF_ClientInfoChanged,
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FF_ClientPutInServer,
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FF_PluginInit,
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FF_PluginCfg,
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FF_PluginPrecache,
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FF_PluginLog,
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FF_PluginEnd,
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FF_InconsistentFile,
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FF_ClientAuthorized,
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enum ForwardExecType
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{
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ET_IGNORE = 0, // Ignore return vaue
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ET_STOP, // Stop on PLUGIN_HANDLED
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ET_STOP2, // Stop on PLUGIN_HANDLED, continue on other values, return biggest return value
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ET_CONTINUE, // Continue; return biggest return value
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};
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enum ForwardParam
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{
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FP_DONE = -1, // specify this as the last argument
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// only tells the function that there are no more arguments
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FP_CELL, // normal cell
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FP_FLOAT, // float; used as normal cell though
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FP_STRING, // string
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FP_STRINGEX, // string; will be updated to the last function's value
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FP_ARRAY, // array; use the return value of prepareArray.
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};
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enum ForwardArrayElemType
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{
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Type_Cell = 0,
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Type_Char
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};
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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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class CForward
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{
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const char *m_FuncName;
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ForwardExecType m_ExecType;
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int m_NumParams;
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struct AMXForward
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{
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CPluginMngr::CPlugin *pPlugin;
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int func;
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};
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typedef CList<AMXForward> AMXForwardList;
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AMXForwardList m_Funcs;
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ForwardParam m_ParamTypes[FORWARD_MAX_PARAMS];
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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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int getParamsNum() const
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{
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return m_NumParams;
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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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ForwardVec m_Forwards;
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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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class iterator;
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class CForward
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{
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friend class iterator;
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friend class CForwardMngr;
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CPluginMngr::CPlugin* plugin;
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int function;
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CForward* next;
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CForward( CPluginMngr::CPlugin* p, int func ) : plugin(p) , function(func) {next=0;}
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public:
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inline CPluginMngr::CPlugin* getPlugin() { return plugin; }
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inline int getFunction() { return function; }
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};
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private:
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CForward *head[ FORWARD_NUM ];
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void clearForwards( CForward** a );
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public:
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CForwardMngr() {memset( head, 0, sizeof(head));}
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~CForwardMngr() { clear(); }
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CForwardMngr()
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{ m_TmpArraysNum = 0; }
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~CForwardMngr()
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{ }
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// Interface
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void registerForward( CPluginMngr::CPlugin* p, int func , int type );
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void executeForwards( int type , int num = 0, int player = 0 );
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void clear();
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class iterator {
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CForward *a;
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public:
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iterator(CForward*aa) : a(aa) {}
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iterator& operator++() { a = a->next; return *this; }
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bool operator==(const iterator& b) const { return a == b.a; }
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bool operator!=(const iterator& b) const { return !operator==(b); }
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operator bool () const { return a ? true : false; }
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CForward& operator*() { return *a; }
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};
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inline iterator begin( int type ) const { return iterator(head[(int)type]); }
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inline iterator end() const { return iterator(0); }
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inline bool forwardsExist( int type ) {return head[(int)type]?true:false;}
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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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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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};
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// register forward
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int registerForward(const char *funcName, ForwardExecType et, ...);
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// execute forwards
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int 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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#endif
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