mirror of
https://github.com/alliedmodders/amxmodx.git
synced 2024-10-17 15:56:52 +03:00
578 lines
12 KiB
C++
578 lines
12 KiB
C++
// vim: set ts=4 sw=4 tw=99 noet:
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//
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// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
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// Copyright (C) The AMX Mod X Development Team.
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//
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// This software is licensed under the GNU General Public License, version 3 or higher.
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// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
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// https://alliedmods.net/amxmodx-license
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//
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// Fakemeta Module
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//
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#include "fakemeta_amxx.h"
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#if defined PAWN_CELL_SIZE
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# if PAWN_CELL_SIZE == 16
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# define CELL_MIN SHRT_MIN
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# elif PAWN_CELL_SIZE == 32
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# define CELL_MIN INT_MIN
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# elif PAWN_CELL_SIZE == 64
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# define CELL_MIN _I64_MIN
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# endif
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#else
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# define CELL_MIN _I32_MIN
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#endif
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#if defined WIN32
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#define WINDOWS_LEAN_AND_MEAN
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#include <windows.h>
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#else
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//implement these with setjmp later.
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bool IsBadReadPtr(void *l, size_t size)
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{
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return false;
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}
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bool IsBadWritePtr(void *l, size_t size)
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{
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return false;
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}
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#endif
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static cell AMX_NATIVE_CALL set_pdata_int(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[4];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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iOffset += params[4];
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else
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iOffset += params[5];
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#endif
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int iValue=params[3];
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*((int *)INDEXENT2(index)->pvPrivateData + iOffset) = iValue;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_int(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[3];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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iOffset += params[3];
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else
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iOffset += params[4];
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#endif
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return *((int *)INDEXENT2(index)->pvPrivateData + iOffset);
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}
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// Float
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static cell AMX_NATIVE_CALL set_pdata_float(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[4];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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iOffset += params[4];
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else
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iOffset += params[5];
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#endif
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float fValue=amx_ctof(params[3]);
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*((float *)INDEXENT2(index)->pvPrivateData + iOffset) = fValue;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_float(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[3];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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iOffset += params[3];
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else
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iOffset += params[4];
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#endif
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return amx_ftoc(*((float *)INDEXENT2(index)->pvPrivateData + iOffset));
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}
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static cell AMX_NATIVE_CALL get_pdata_string(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[6];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 6 || params[7] == CELL_MIN)
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iOffset += params[6];
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else
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iOffset += params[7];
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#endif
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edict_t *pEdict = INDEXENT2(index);
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char *szData;
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if (params[5])
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{
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szData = *((char **)pEdict->pvPrivateData + iOffset);
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} else {
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szData = (char *)pEdict->pvPrivateData + iOffset;
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}
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if (IsBadReadPtr(szData, 1))
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{
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return 0;
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}
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MF_SetAmxString(amx, params[3], szData, params[4]);
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return 1;
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}
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static cell AMX_NATIVE_CALL set_pdata_string(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[5];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 5 || params[6] == CELL_MIN)
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iOffset += params[5];
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else
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iOffset += params[6];
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#endif
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edict_t *pEdict = INDEXENT2(index);
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char *szData;
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int len;
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char *data = MF_GetAmxString(amx, params[3], 0, &len);
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if (params[4] == -1)
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{
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szData = (char *)pEdict->pvPrivateData + iOffset;
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if (IsBadWritePtr(szData, 1))
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return 0;
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strcpy(szData, data);
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} else {
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szData = *((char **)pEdict->pvPrivateData + iOffset);
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if (IsBadWritePtr(szData, 1))
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return 0;
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if (params[4] == 1)
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{
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free(szData);
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szData = (char *)malloc(len + 1);
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} else if (params[4] == 2) {
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delete [] szData;
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szData = new char[len + 1];
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}
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strcpy(szData, data);
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*((char **)pEdict->pvPrivateData + iOffset) = szData;
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}
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_ent(AMX *amx, cell *params)
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{
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int index=params[1];
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CHECK_ENTITY(index);
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int iOffset=params[2];
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CHECK_OFFSET(iOffset);
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#if defined( __linux__ )
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iOffset += params[3];
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#elif defined( __APPLE__ )
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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iOffset += params[3];
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else
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iOffset += params[4];
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#endif
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edict_t *pEdict = *(edict_t **)((char *)(INDEXENT2(index)->pvPrivateData) + iOffset);
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if (pEdict == NULL)
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{
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return -1;
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}
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edict_t *pWorld = INDEXENT(0);
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int ent = pEdict - pWorld;
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if (ent < 0 || ent > gpGlobals->maxEntities)
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{
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return -2;
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}
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if (pEdict->free || pEdict->pvPrivateData == NULL)
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{
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return -1;
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}
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return ent;
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}
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static cell AMX_NATIVE_CALL set_pdata_ent(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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int entity = params[3];
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CHECK_ENTITY(entity);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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*(edict_t **)((char *)(INDEXENT2(index)->pvPrivateData) + offset) = INDEXENT2(entity);
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_bool(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[3];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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offset += params[3];
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else
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offset += params[4];
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#endif
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return *(bool *)((char *)INDEXENT2(index)->pvPrivateData + offset) ? TRUE : FALSE;
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}
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static cell AMX_NATIVE_CALL set_pdata_bool(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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bool value = params[3] ? true : false;
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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*(bool *)((char *)INDEXENT2(index)->pvPrivateData + offset) = value;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_byte(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[3];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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offset += params[3];
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else
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offset += params[4];
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#endif
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return static_cast<cell>(*((byte *)INDEXENT2(index)->pvPrivateData + offset));
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}
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static cell AMX_NATIVE_CALL set_pdata_byte(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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byte value = static_cast<byte>(params[3]);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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*((byte *)INDEXENT2(index)->pvPrivateData + offset) = value;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_short(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[3];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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offset += params[3];
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else
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offset += params[4];
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#endif
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return static_cast<cell>(*(short *)((char *)INDEXENT2(index)->pvPrivateData + offset));
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}
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static cell AMX_NATIVE_CALL set_pdata_short(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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short value = static_cast<short>(params[3]);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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*(short *)((char *)INDEXENT2(index)->pvPrivateData + offset) = value;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_vector(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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cell *cpvec = MF_GetAmxAddr(amx, params[3]);
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Vector vec = *(Vector *)((char *)INDEXENT2(index)->pvPrivateData + offset);
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cpvec[0] = amx_ftoc(vec.x);
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cpvec[1] = amx_ftoc(vec.y);
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cpvec[2] = amx_ftoc(vec.z);
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return 1;
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}
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static cell AMX_NATIVE_CALL set_pdata_vector(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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cell *pcvec = MF_GetAmxAddr(amx, params[3]);
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Vector vec(amx_ctof(pcvec[0]), amx_ctof(pcvec[1]), amx_ctof(pcvec[2]));
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*(Vector *)((char *)INDEXENT2(index)->pvPrivateData + offset) = vec;
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return 1;
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}
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static cell AMX_NATIVE_CALL get_pdata_ehandle(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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#if defined(__linux__)
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offset += params[3];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 3)
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offset += params[3];
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else
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offset += params[4];
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#endif
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edict_t *pEdict = *(edict_t **)((char * )(INDEXENT2(index)->pvPrivateData) + offset);
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if (pEdict == NULL)
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{
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return -1;
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}
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edict_t *pWorld = INDEXENT(0);
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int ent = pEdict - pWorld;
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if (ent < 0 || ent > gpGlobals->maxEntities)
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{
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return -2;
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}
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if (pEdict->free || pEdict->pvPrivateData == NULL)
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{
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return -1;
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}
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int serialnumber = *(int *)((char *)INDEXENT2(index)->pvPrivateData + offset + 4);
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if (pEdict->serialnumber != serialnumber)
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{
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return 0;
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}
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return ent;
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}
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static cell AMX_NATIVE_CALL set_pdata_ehandle(AMX *amx, cell *params)
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{
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int index = params[1];
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CHECK_ENTITY(index);
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int offset = params[2];
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CHECK_OFFSET(offset);
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int entity = params[3];
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CHECK_ENTITY(entity);
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#if defined(__linux__)
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offset += params[4];
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#elif defined(__APPLE__)
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// Use Linux offset in older plugins
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if (params[0] / sizeof(cell) == 4)
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offset += params[4];
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else
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offset += params[5];
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#endif
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edict_t *pEntity = INDEXENT2(entity);
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*(edict_t **)((char* )(INDEXENT2(index)->pvPrivateData) + offset) = pEntity;
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if (pEntity)
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{
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*(int *)((char *)INDEXENT2(index)->pvPrivateData + offset + 4) = pEntity->serialnumber;
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}
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return 1;
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}
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AMX_NATIVE_INFO pdata_natives[] =
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{
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{ "get_pdata_int", get_pdata_int },
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{ "set_pdata_int", set_pdata_int },
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{ "get_pdata_float", get_pdata_float },
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{ "set_pdata_float", set_pdata_float },
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{ "set_pdata_string", set_pdata_string },
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{ "get_pdata_string", get_pdata_string },
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{ "get_pdata_ent", get_pdata_ent },
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{ "set_pdata_ent", set_pdata_ent },
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{ "get_pdata_bool", get_pdata_bool },
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{ "set_pdata_bool", set_pdata_bool },
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{ "get_pdata_byte", get_pdata_byte },
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{ "set_pdata_byte", set_pdata_byte },
|
|
{ "get_pdata_short", get_pdata_short },
|
|
{ "set_pdata_short", set_pdata_short },
|
|
{ "get_pdata_vector", get_pdata_vector },
|
|
{ "set_pdata_vector", set_pdata_vector },
|
|
{ "get_pdata_ehandle", get_pdata_ehandle },
|
|
{ "set_pdata_ehandle", set_pdata_ehandle },
|
|
{ NULL, NULL }
|
|
};
|