amxmodx/amxmodx/CTask.cpp
2006-01-06 05:10:17 +00:00

302 lines
6.1 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"
#include "CTask.h"
/*********************** CTask ***********************/
int CTaskMngr::CTask::getTaskId() const
{
return m_iId;
}
CPluginMngr::CPlugin *CTaskMngr::CTask::getPlugin() const
{
return m_pPlugin;
}
void CTaskMngr::CTask::set(CPluginMngr::CPlugin *pPlugin, int iFunc, int iFlags, cell iId, float fBase, int iParamsLen, const cell *pParams, int iRepeat, float fCurrentTime)
{
clear();
m_bFree = false;
m_pPlugin = pPlugin;
m_iFunc = iFunc;
m_iId = iId;
m_fBase = fBase;
if (iFlags & 2)
{
m_bLoop = true;
m_iRepeat = -1;
}
else if (iFlags & 1)
{
m_bLoop = true;
m_iRepeat = iRepeat;
}
m_bAfterStart = (iFlags & 4) ? true : false;
m_bBeforeEnd = (iFlags & 8) ? true : false;
m_fNextExecTime = fCurrentTime + m_fBase;
if (iParamsLen)
{
m_iParamLen = iParamsLen + 1;
m_pParams = new cell[m_iParamLen];
memcpy(m_pParams, pParams, sizeof(cell)*iParamsLen);
m_pParams[iParamsLen] = 0;
} else {
m_iParamLen = 0;
m_pParams = NULL;
}
}
void CTaskMngr::CTask::clear()
{
m_bFree = true;
if (m_iFunc >= 0)
{
unregisterSPForward(m_iFunc);
m_iFunc = -1;
}
if (m_pParams)
{
delete [] m_pParams;
m_pParams = NULL;
}
m_pPlugin = NULL;
m_iId = 0;
m_fBase = 0.0f;
m_iRepeat = 0;
m_bLoop = false;
m_bAfterStart = false;
m_bBeforeEnd = false;
m_fNextExecTime = 0.0f;
}
bool CTaskMngr::CTask::isFree() const
{
return m_bFree;
}
void CTaskMngr::CTask::changeBase(float fNewBase)
{
m_fBase = fNewBase;
}
void CTaskMngr::CTask::resetNextExecTime(float fCurrentTime)
{
m_fNextExecTime = fCurrentTime + m_fBase;
}
void CTaskMngr::CTask::executeIfRequired(float fCurrentTime, float fTimeLimit, float fTimeLeft)
{
bool execute = false;
bool done = false;
if (m_bAfterStart)
{
if (fCurrentTime - fTimeLeft + 1.0f >= m_fBase)
execute = true;
}
else if (m_bBeforeEnd)
{
if (fTimeLimit != 0.0f && (fTimeLeft + fTimeLimit * 60.0f) - fCurrentTime - 1.0f <= m_fBase)
execute = true;
}
else if (m_fNextExecTime <= fCurrentTime)
{
execute = true;
}
if (execute)
{
//only bother calling if we have something to call
if (!(m_bLoop && !m_iRepeat))
{
if (m_iParamLen) // call with parameters
{
cell arr = prepareCellArray(m_pParams, m_iParamLen);
executeForwards(m_iFunc, arr, m_iId);
} else {
executeForwards(m_iFunc, m_iId);
}
}
if (isFree())
return;
// set new exec time OR remove the task if needed
if (m_bLoop)
{
if (m_iRepeat != -1 && --m_iRepeat <= 0)
done = true;
} else {
done = true;
}
if (done)
{
clear();
} else {
m_fNextExecTime += m_fBase;
}
}
}
CTaskMngr::CTask::CTask()
{
m_bFree = true;
m_pPlugin = NULL;
m_iFunc = -1;
m_iId = 0;
m_fBase = 0.0f;
m_iRepeat = 0;
m_bLoop = false;
m_bAfterStart = false;
m_bBeforeEnd = false;
m_fNextExecTime = 0.0f;
m_iParamLen = 0;
m_pParams = NULL;
}
CTaskMngr::CTask::~CTask()
{
clear();
}
/*********************** CTaskMngr ***********************/
CTaskMngr::CTaskMngr()
{
m_pTmr_CurrentTime = NULL;
m_pTmr_TimeLimit = NULL;
m_pTmr_TimeLeft = NULL;
}
CTaskMngr::~CTaskMngr()
{
clear();
}
void CTaskMngr::registerTimers(float *pCurrentTime, float *pTimeLimit, float *pTimeLeft)
{
m_pTmr_CurrentTime = pCurrentTime;
m_pTmr_TimeLimit = pTimeLimit;
m_pTmr_TimeLeft = pTimeLeft;
}
void CTaskMngr::registerTask(CPluginMngr::CPlugin *pPlugin, int iFunc, int iFlags, cell iId, float fBase, int iParamsLen, const cell *pParams, int iRepeat)
{
// first, search for free tasks
TaskListIter iter = m_Tasks.find(CTaskDescriptor(0, NULL, true));
if (iter)
{
// found: reuse it
iter->set(pPlugin, iFunc, iFlags, iId, fBase, iParamsLen, pParams, iRepeat, *m_pTmr_CurrentTime);
} else {
// not found: make a new one
CTask *pTmp = new CTask;
if (!pTmp)
return;
pTmp->set(pPlugin, iFunc, iFlags, iId, fBase, iParamsLen, pParams, iRepeat, *m_pTmr_CurrentTime);
m_Tasks.put(pTmp);
}
}
int CTaskMngr::removeTasks(int iId, AMX *pAmx)
{
CTaskDescriptor descriptor(iId, pAmx);
TaskListIter iter = m_Tasks.find(descriptor);
int i = 0;
while (iter)
{
iter->clear();
++i;
iter = m_Tasks.find(++iter, descriptor);
}
return i;
}
int CTaskMngr::changeTasks(int iId, AMX *pAmx, float fNewBase)
{
CTaskDescriptor descriptor(iId, pAmx);
TaskListIter iter = m_Tasks.find(descriptor);
int i = 0;
while (iter)
{
iter->changeBase(fNewBase);
iter->resetNextExecTime(*m_pTmr_CurrentTime);
++i;
iter = m_Tasks.find(++iter, descriptor);
}
return i;
}
bool CTaskMngr::taskExists(int iId, AMX *pAmx)
{
return m_Tasks.find(CTaskDescriptor(iId, pAmx));
}
void CTaskMngr::startFrame()
{
for (TaskListIter iter = m_Tasks.begin(); iter; ++iter)
{
if (iter->isFree())
continue;
iter->executeIfRequired(*m_pTmr_CurrentTime, *m_pTmr_TimeLimit, *m_pTmr_TimeLeft);
}
}
void CTaskMngr::clear()
{
m_Tasks.clear();
}