mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-10-17 15:56:52 +03:00
480 lines
13 KiB
C++
Executable File
480 lines
13 KiB
C++
Executable File
/* AMX Mod X
|
|
*
|
|
* by the AMX Mod X Development Team
|
|
* originally developed by OLO
|
|
*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* In addition, as a special exception, the author gives permission to
|
|
* link the code of this program with the Half-Life Game Engine ("HL
|
|
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
|
|
* L.L.C ("Valve"). You must obey the GNU General Public License in all
|
|
* respects for all of the code used other than the HL Engine and MODs
|
|
* from Valve. If you modify this file, you may extend this exception
|
|
* to your version of the file, but you are not obligated to do so. If
|
|
* you do not wish to do so, delete this exception statement from your
|
|
* version.
|
|
*/
|
|
|
|
#include "amxmodx.h"
|
|
|
|
|
|
CForward::CForward(const char *name, ForwardExecType et, int numParams, const ForwardParam *paramTypes)
|
|
{
|
|
m_FuncName = name;
|
|
m_ExecType = et;
|
|
m_NumParams = numParams;
|
|
memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
|
|
// find funcs
|
|
int func;
|
|
AMXForward *tmp = NULL;
|
|
for (CPluginMngr::iterator iter = g_plugins.begin(); iter; ++iter)
|
|
{
|
|
if ((*iter).isValid() && amx_FindPublic((*iter).getAMX(), name, &func) == AMX_ERR_NONE)
|
|
{
|
|
tmp = new AMXForward;
|
|
if (!tmp)
|
|
return; // :TODO: Better error report!!!
|
|
tmp->pPlugin = &(*iter);
|
|
tmp->func = func;
|
|
m_Funcs.put(tmp);
|
|
}
|
|
}
|
|
}
|
|
|
|
cell CForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
|
|
{
|
|
cell realParams[FORWARD_MAX_PARAMS];
|
|
cell *physAddrs[FORWARD_MAX_PARAMS];
|
|
|
|
const int STRINGEX_MAXLENGTH = 128;
|
|
|
|
cell globRetVal = 0;
|
|
|
|
for (CList<AMXForward>::iterator iter = m_Funcs.begin(); iter; ++iter)
|
|
{
|
|
if ((*iter).pPlugin->isExecutable((*iter).func))
|
|
{
|
|
// handle strings & arrays
|
|
int i;
|
|
for (i = 0; i < m_NumParams; ++i)
|
|
{
|
|
if (m_ParamTypes[i] == FP_STRING || m_ParamTypes[i] == FP_STRINGEX)
|
|
{
|
|
cell *tmp;
|
|
amx_Allot((*iter).pPlugin->getAMX(),
|
|
(m_ParamTypes[i] == FP_STRING) ? strlen(reinterpret_cast<const char*>(params[i]))+1 : STRINGEX_MAXLENGTH,
|
|
&realParams[i], &tmp);
|
|
amx_SetString(tmp, (const char *)(params[i]), 0, 0);
|
|
physAddrs[i] = tmp;
|
|
}
|
|
else if (m_ParamTypes[i] == FP_ARRAY)
|
|
{
|
|
cell *tmp;
|
|
amx_Allot((*iter).pPlugin->getAMX(), preparedArrays[params[i]].size,
|
|
&realParams[i], &tmp);
|
|
physAddrs[i] = tmp;
|
|
if (preparedArrays[params[i]].type == Type_Cell)
|
|
{
|
|
memcpy(tmp, preparedArrays[params[i]].ptr, preparedArrays[params[i]].size * sizeof(cell));
|
|
}
|
|
else
|
|
{
|
|
char *data = (char*)preparedArrays[params[i]].ptr;
|
|
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
|
|
*tmp++ = (static_cast<cell>(*data++)) & 0xFF;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
realParams[i] = params[i];
|
|
}
|
|
}
|
|
// exec
|
|
cell retVal;
|
|
int err = amx_Execv((*iter).pPlugin->getAMX(), &retVal, (*iter).func, m_NumParams, realParams);
|
|
// log runtime error, if any
|
|
if (err != AMX_ERR_NONE)
|
|
AMXXLOG_Log("[AMXX] Run time error %d on line %ld (plugin \"%s\")", err, (*iter).pPlugin->getAMX()->curline, (*iter).pPlugin->getName());
|
|
|
|
// cleanup strings & arrays
|
|
for (i = 0; i < m_NumParams; ++i)
|
|
{
|
|
if (m_ParamTypes[i] == FP_STRING)
|
|
{
|
|
amx_Release((*iter).pPlugin->getAMX(), realParams[i]);
|
|
}
|
|
else if (m_ParamTypes[i] == FP_STRINGEX)
|
|
{
|
|
// copy back
|
|
amx_GetString(reinterpret_cast<char*>(params[i]), physAddrs[i], 0);
|
|
amx_Release((*iter).pPlugin->getAMX(), realParams[i]);
|
|
}
|
|
else if (m_ParamTypes[i] == FP_ARRAY)
|
|
{
|
|
// copy back
|
|
cell *tmp = physAddrs[i];
|
|
if (preparedArrays[params[i]].type == Type_Cell)
|
|
{
|
|
memcpy(preparedArrays[params[i]].ptr, tmp, preparedArrays[params[i]].size * sizeof(cell));
|
|
}
|
|
else
|
|
{
|
|
char *data = (char*)preparedArrays[params[i]].ptr;
|
|
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
|
|
*data++ = static_cast<char>(*tmp++ & 0xFF);
|
|
}
|
|
amx_Release((*iter).pPlugin->getAMX(), realParams[i]);
|
|
}
|
|
}
|
|
|
|
// decide what to do (based on exectype and retval)
|
|
switch (m_ExecType)
|
|
{
|
|
case ET_IGNORE:
|
|
break;
|
|
case ET_STOP:
|
|
if (retVal > 0)
|
|
return retVal;
|
|
case ET_STOP2:
|
|
if (retVal == 1)
|
|
return 1;
|
|
else if (retVal > globRetVal)
|
|
globRetVal = retVal;
|
|
break;
|
|
case ET_CONTINUE:
|
|
if (retVal > globRetVal)
|
|
globRetVal = retVal;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return globRetVal;
|
|
}
|
|
|
|
void CSPForward::Set(int func, AMX *amx, int numParams, const ForwardParam *paramTypes)
|
|
{
|
|
m_Func = func;
|
|
m_Amx = amx;
|
|
m_NumParams = numParams;
|
|
memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
|
|
m_HasFunc = true;
|
|
}
|
|
|
|
void CSPForward::Set(const char *funcName, AMX *amx, int numParams, const ForwardParam *paramTypes)
|
|
{
|
|
m_Amx = amx;
|
|
m_NumParams = numParams;
|
|
memcpy((void *)m_ParamTypes, paramTypes, numParams * sizeof(ForwardParam));
|
|
m_HasFunc = (amx_FindPublic(amx, funcName, &m_Func) == AMX_ERR_NONE);
|
|
}
|
|
|
|
cell CSPForward::execute(cell *params, ForwardPreparedArray *preparedArrays)
|
|
{
|
|
const int STRINGEX_MAXLENGTH = 128;
|
|
|
|
cell realParams[FORWARD_MAX_PARAMS];
|
|
cell *physAddrs[FORWARD_MAX_PARAMS];
|
|
|
|
if (!m_HasFunc)
|
|
return 0;
|
|
|
|
CPluginMngr::CPlugin *pPlugin = g_plugins.findPluginFast(m_Amx);
|
|
if (!pPlugin->isExecutable(m_Func))
|
|
return 0;
|
|
|
|
// handle strings & arrays
|
|
int i;
|
|
for (i = 0; i < m_NumParams; ++i)
|
|
{
|
|
if (m_ParamTypes[i] == FP_STRING || m_ParamTypes[i] == FP_STRINGEX)
|
|
{
|
|
cell *tmp;
|
|
amx_Allot(m_Amx,
|
|
(m_ParamTypes[i] == FP_STRING) ? strlen(reinterpret_cast<const char*>(params[i]))+1 : STRINGEX_MAXLENGTH,
|
|
&realParams[i], &tmp);
|
|
amx_SetString(tmp, (const char *)(params[i]), 0, 0);
|
|
physAddrs[i] = tmp;
|
|
}
|
|
else if (m_ParamTypes[i] == FP_ARRAY)
|
|
{
|
|
cell *tmp;
|
|
amx_Allot(m_Amx, preparedArrays[params[i]].size,
|
|
&realParams[i], &tmp);
|
|
physAddrs[i] = tmp;
|
|
if (preparedArrays[params[i]].type == Type_Cell)
|
|
{
|
|
memcpy(tmp, preparedArrays[params[i]].ptr, preparedArrays[params[i]].size * sizeof(cell));
|
|
}
|
|
else
|
|
{
|
|
char *data = (char*)preparedArrays[params[i]].ptr;
|
|
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
|
|
*tmp++ = (static_cast<cell>(*data++)) & 0xFF;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
realParams[i] = params[i];
|
|
}
|
|
}
|
|
|
|
// exec
|
|
cell retVal;
|
|
amx_Execv(m_Amx, &retVal, m_Func, m_NumParams, realParams);
|
|
|
|
// cleanup strings & arrays
|
|
for (i = 0; i < m_NumParams; ++i)
|
|
{
|
|
if (m_ParamTypes[i] == FP_STRING)
|
|
{
|
|
amx_Release(m_Amx, realParams[i]);
|
|
}
|
|
else if (m_ParamTypes[i] == FP_STRINGEX)
|
|
{
|
|
// copy back
|
|
amx_GetString(reinterpret_cast<char*>(params[i]), physAddrs[i], 0);
|
|
amx_Release(m_Amx, realParams[i]);
|
|
}
|
|
else if (m_ParamTypes[i] == FP_ARRAY)
|
|
{
|
|
// copy back
|
|
cell *tmp = physAddrs[i];
|
|
if (preparedArrays[params[i]].type == Type_Cell)
|
|
{
|
|
memcpy(preparedArrays[params[i]].ptr, tmp, preparedArrays[params[i]].size * sizeof(cell));
|
|
}
|
|
else
|
|
{
|
|
char *data = (char*)preparedArrays[params[i]].ptr;
|
|
for (unsigned int j = 0; j < preparedArrays[params[i]].size; ++j)
|
|
*data++ = static_cast<char>(*tmp++ & 0xFF);
|
|
}
|
|
amx_Release(m_Amx, realParams[i]);
|
|
}
|
|
}
|
|
|
|
return retVal;
|
|
}
|
|
|
|
int CForwardMngr::registerForward(const char *funcName, ForwardExecType et, int numParams, const ForwardParam * paramTypes)
|
|
{
|
|
int retVal = m_Forwards.size() << 1;
|
|
CForward *tmp = new CForward(funcName, et, numParams, paramTypes);
|
|
if (!tmp)
|
|
return -1; // should be invalid
|
|
m_Forwards.push_back(tmp);
|
|
return retVal;
|
|
}
|
|
|
|
int CForwardMngr::registerSPForward(int func, AMX *amx, int numParams, const ForwardParam *paramTypes)
|
|
{
|
|
int retVal = (m_SPForwards.size() << 1) | 1;
|
|
CSPForward *pForward;
|
|
if (m_FreeSPForwards.size())
|
|
{
|
|
pForward = m_SPForwards[m_FreeSPForwards.back()];
|
|
m_FreeSPForwards.pop_back();
|
|
pForward->Set(func, amx, numParams, paramTypes);
|
|
}
|
|
else
|
|
{
|
|
pForward = new CSPForward();
|
|
if (!pForward)
|
|
return -1;
|
|
pForward->Set(func, amx, numParams, paramTypes);
|
|
m_SPForwards.push_back(pForward);
|
|
}
|
|
return retVal;
|
|
}
|
|
|
|
int CForwardMngr::registerSPForward(const char *funcName, AMX *amx, int numParams, const ForwardParam *paramTypes)
|
|
{
|
|
int retVal = (m_SPForwards.size() << 1) | 1;
|
|
CSPForward *pForward;
|
|
if (m_FreeSPForwards.size())
|
|
{
|
|
pForward = m_SPForwards[m_FreeSPForwards.back()];
|
|
m_FreeSPForwards.pop_back();
|
|
pForward->Set(funcName, amx, numParams, paramTypes);
|
|
}
|
|
else
|
|
{
|
|
pForward = new CSPForward();
|
|
if (!pForward)
|
|
return -1;
|
|
pForward->Set(funcName, amx, numParams, paramTypes);
|
|
m_SPForwards.push_back(pForward);
|
|
}
|
|
return retVal;
|
|
}
|
|
|
|
bool CForwardMngr::isIdValid(int id) const
|
|
{
|
|
return (id >= 0) && ((id & 1) ?
|
|
(static_cast<size_t>(id >> 1) < m_SPForwards.size()) :
|
|
(static_cast<size_t>(id >> 1) < m_Forwards.size()));
|
|
}
|
|
|
|
cell CForwardMngr::executeForwards(int id, cell *params)
|
|
{
|
|
int retVal = (id & 1) ? m_SPForwards[id >> 1]->execute(params, m_TmpArrays) :
|
|
m_Forwards[id >> 1]->execute(params, m_TmpArrays);
|
|
m_TmpArraysNum = 0;
|
|
return retVal;
|
|
}
|
|
|
|
int CForwardMngr::getParamsNum(int id) const
|
|
{
|
|
return (id & 1) ? m_SPForwards[id >> 1]->getParamsNum() :
|
|
m_Forwards[id >> 1]->getParamsNum();
|
|
}
|
|
|
|
void CForwardMngr::clear()
|
|
{
|
|
for (ForwardVec::iterator iter = m_Forwards.begin(); iter != m_Forwards.end(); ++iter)
|
|
{
|
|
delete (*iter);
|
|
}
|
|
SPForwardVec::iterator spIter;
|
|
for (spIter = m_SPForwards.begin(); spIter != m_SPForwards.end(); ++spIter)
|
|
{
|
|
delete (*spIter);
|
|
}
|
|
|
|
m_Forwards.clear();
|
|
m_SPForwards.clear();
|
|
m_FreeSPForwards.clear();
|
|
m_TmpArraysNum = 0;
|
|
}
|
|
|
|
bool CForwardMngr::isSPForward(int id) const
|
|
{
|
|
return ((id & 1) == 0) ? false : true;
|
|
}
|
|
|
|
void CForwardMngr::unregisterSPForward(int id)
|
|
{
|
|
m_FreeSPForwards.push_back(id);
|
|
}
|
|
|
|
int registerForward(const char *funcName, ForwardExecType et, ...)
|
|
{
|
|
int curParam = 0;
|
|
va_list argptr;
|
|
va_start(argptr, et);
|
|
ForwardParam params[FORWARD_MAX_PARAMS];
|
|
ForwardParam tmp;
|
|
while (true)
|
|
{
|
|
if (curParam == FORWARD_MAX_PARAMS)
|
|
break;
|
|
tmp = (ForwardParam)va_arg(argptr, int);
|
|
if (tmp == FP_DONE)
|
|
break;
|
|
params[curParam] = tmp;
|
|
++curParam;
|
|
}
|
|
va_end(argptr);
|
|
return g_forwards.registerForward(funcName, et, curParam, params);
|
|
}
|
|
|
|
int registerSPForwardByName(AMX *amx, const char *funcName, ...)
|
|
{
|
|
int curParam = 0;
|
|
va_list argptr;
|
|
va_start(argptr, funcName);
|
|
ForwardParam params[FORWARD_MAX_PARAMS];
|
|
ForwardParam tmp;
|
|
while (true)
|
|
{
|
|
if (curParam == FORWARD_MAX_PARAMS)
|
|
break;
|
|
tmp = (ForwardParam)va_arg(argptr, int);
|
|
if (tmp == FP_DONE)
|
|
break;
|
|
params[curParam] = tmp;
|
|
++curParam;
|
|
}
|
|
va_end(argptr);
|
|
return g_forwards.registerSPForward(funcName, amx, curParam, params);
|
|
}
|
|
|
|
int registerSPForward(AMX *amx, int func, ...)
|
|
{
|
|
int curParam = 0;
|
|
va_list argptr;
|
|
va_start(argptr, func);
|
|
ForwardParam params[FORWARD_MAX_PARAMS];
|
|
ForwardParam tmp;
|
|
while (true)
|
|
{
|
|
if (curParam == FORWARD_MAX_PARAMS)
|
|
break;
|
|
tmp = (ForwardParam)va_arg(argptr, int);
|
|
if (tmp == FP_DONE)
|
|
break;
|
|
params[curParam] = tmp;
|
|
++curParam;
|
|
}
|
|
va_end(argptr);
|
|
return g_forwards.registerSPForward(func, amx, curParam, params);
|
|
}
|
|
|
|
cell executeForwards(int id, ...)
|
|
{
|
|
if (!g_forwards.isIdValid(id))
|
|
return -1;
|
|
|
|
cell params[FORWARD_MAX_PARAMS];
|
|
int paramsNum = g_forwards.getParamsNum(id);
|
|
va_list argptr;
|
|
va_start(argptr, id);
|
|
for (int i = 0; i < paramsNum && i < FORWARD_MAX_PARAMS; ++i)
|
|
{
|
|
if (params[i] == FP_FLOAT)
|
|
{
|
|
REAL tmp = (REAL)va_arg(argptr, double); // floats get converted to doubles
|
|
params[i] = *(cell*)&tmp;
|
|
}
|
|
params[i] = (cell)va_arg(argptr, cell);
|
|
}
|
|
va_end(argptr);
|
|
return g_forwards.executeForwards(id, params);
|
|
}
|
|
|
|
cell CForwardMngr::prepareArray(void *ptr, unsigned int size, ForwardArrayElemType type)
|
|
{
|
|
m_TmpArrays[m_TmpArraysNum].ptr = ptr;
|
|
m_TmpArrays[m_TmpArraysNum].size = size;
|
|
m_TmpArrays[m_TmpArraysNum].type = type;
|
|
return m_TmpArraysNum++;
|
|
}
|
|
|
|
cell prepareCellArray(cell *ptr, unsigned int size)
|
|
{
|
|
return g_forwards.prepareArray((void*)ptr, size, Type_Cell);
|
|
}
|
|
|
|
cell prepareCharArray(char *ptr, unsigned int size)
|
|
{
|
|
return g_forwards.prepareArray((void*)ptr, size, Type_Char);
|
|
}
|
|
|
|
void unregisterSPForward(int id)
|
|
{
|
|
g_forwards.unregisterSPForward(id);
|
|
} |