ReGameDLL_CS/regamedll/regamedll/hookchains_impl.cpp
2015-12-11 02:30:31 +06:00

53 lines
1.4 KiB
C++

/*
*
* 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
*
*/
#include "precompiled.h"
#include "hookchains_impl.h"
AbstractHookChainRegistry::AbstractHookChainRegistry()
{
Q_memset(m_Hooks, 0, sizeof(m_Hooks));
m_NumHooks = 0;
}
void AbstractHookChainRegistry::addHook(void* hookFunc) {
if (m_NumHooks >= MAX_HOOKS_IN_CHAIN) {
regamedll_syserror("MAX_HOOKS_IN_CHAIN limit hit");
}
m_Hooks[m_NumHooks++] = hookFunc;
}
void AbstractHookChainRegistry::removeHook(void* hookFunc) {
// erase hook
for (int i = 0; i < m_NumHooks; i++) {
if (hookFunc == m_Hooks[i]) {
if (--m_NumHooks != i)
{
Q_memmove(&m_Hooks[i], &m_Hooks[i + 1], (m_NumHooks - i) * sizeof(m_Hooks[0]));
m_Hooks[m_NumHooks] = NULL;
}
else
m_Hooks[i] = NULL;
return;
}
}
}