bleh
This commit is contained in:
Joseph Eagar
@@ -1,181 +0,0 @@
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/**
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* Generate random pulses
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*
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* $Id$
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*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#include "SCA_RandomSensor.h"
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#include "SCA_EventManager.h"
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#include "SCA_RandomEventManager.h"
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#include "SCA_LogicManager.h"
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#include "ConstExpr.h"
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#include <iostream>
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/* ------------------------------------------------------------------------- */
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/* Native functions */
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/* ------------------------------------------------------------------------- */
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SCA_RandomSensor::SCA_RandomSensor(SCA_EventManager* eventmgr,
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SCA_IObject* gameobj,
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int startseed)
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: SCA_ISensor(gameobj,eventmgr)
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{
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m_basegenerator = new SCA_RandomNumberGenerator(startseed);
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Init();
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}
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SCA_RandomSensor::~SCA_RandomSensor()
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{
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m_basegenerator->Release();
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}
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void SCA_RandomSensor::Init()
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{
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m_iteration = 0;
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m_interval = 0;
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m_lastdraw = false;
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m_currentDraw = m_basegenerator->Draw();
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}
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CValue* SCA_RandomSensor::GetReplica()
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{
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CValue* replica = new SCA_RandomSensor(*this);
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// this will copy properties and so on...
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replica->ProcessReplica();
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return replica;
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}
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void SCA_RandomSensor::ProcessReplica()
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{
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SCA_ISensor::ProcessReplica();
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// increment reference count so that we can release the generator at this end
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m_basegenerator->AddRef();
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}
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bool SCA_RandomSensor::IsPositiveTrigger()
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{
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return (m_invert !=m_lastdraw);
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}
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bool SCA_RandomSensor::Evaluate()
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{
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/* Random generator is the generator from Line 25 of Table 1 in */
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/* [KNUTH 1981, The Art of Computer Programming Vol. 2 */
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/* (2nd Ed.), pp102] */
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/* It's a very simple max. length sequence generator. We can */
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/* draw 32 bool values before having to generate the next */
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/* sequence value. There are some theorems that will tell you */
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/* this is a reasonable way of generating bools. Check Knuth. */
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/* Furthermore, we only draw each <delay>-eth frame. */
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bool evaluateResult = false;
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if (++m_interval > m_pulse_frequency) {
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bool drawResult = false;
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m_interval = 0;
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if (m_iteration > 31) {
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m_currentDraw = m_basegenerator->Draw();
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drawResult = (m_currentDraw & 0x1) == 0;
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m_iteration = 1;
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} else {
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drawResult = ((m_currentDraw >> m_iteration) & 0x1) == 0;
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m_iteration++;
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}
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evaluateResult = drawResult != m_lastdraw;
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m_lastdraw = drawResult;
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}
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/* now pass this result to some controller */
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return evaluateResult;
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}
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#ifndef DISABLE_PYTHON
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/* ------------------------------------------------------------------------- */
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/* Python functions */
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/* ------------------------------------------------------------------------- */
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/* Integration hooks ------------------------------------------------------- */
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PyTypeObject SCA_RandomSensor::Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"SCA_RandomSensor",
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sizeof(PyObjectPlus_Proxy),
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0,
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py_base_dealloc,
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0,
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0,
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0,
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0,
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py_base_repr,
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0,0,0,0,0,0,0,0,0,
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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0,0,0,0,0,0,0,
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Methods,
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0,
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0,
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&SCA_ISensor::Type,
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0,0,0,0,0,0,
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py_base_new
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};
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PyMethodDef SCA_RandomSensor::Methods[] = {
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{NULL,NULL} //Sentinel
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};
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PyAttributeDef SCA_RandomSensor::Attributes[] = {
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KX_PYATTRIBUTE_BOOL_RO("lastDraw",SCA_RandomSensor,m_lastdraw),
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KX_PYATTRIBUTE_RW_FUNCTION("seed", SCA_RandomSensor, pyattr_get_seed, pyattr_set_seed),
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{NULL} //Sentinel
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};
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PyObject* SCA_RandomSensor::pyattr_get_seed(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
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{
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SCA_RandomSensor* self= static_cast<SCA_RandomSensor*>(self_v);
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return PyLong_FromSsize_t(self->m_basegenerator->GetSeed());
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}
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int SCA_RandomSensor::pyattr_set_seed(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
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{
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SCA_RandomSensor* self= static_cast<SCA_RandomSensor*>(self_v);
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if (!PyLong_Check(value)) {
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PyErr_SetString(PyExc_TypeError, "sensor.seed = int: Random Sensor, expected an integer");
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return PY_SET_ATTR_FAIL;
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}
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self->m_basegenerator->SetSeed(PyLong_AsSsize_t(value));
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return PY_SET_ATTR_SUCCESS;
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}
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#endif // DISABLE_PYTHON
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/* eof */
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