blender/source/gameengine/Ketsji/KX_TouchSensor.cpp

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/**
* Senses touch and collision events
*
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* 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. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* 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.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "KX_TouchSensor.h"
#include "SCA_EventManager.h"
#include "SCA_LogicManager.h"
#include "KX_GameObject.h"
#include "KX_TouchEventManager.h"
#include "KX_SumoPhysicsController.h"
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#include <iostream>
#include "PHY_IPhysicsEnvironment.h"
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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
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/* ------------------------------------------------------------------------- */
/* Native functions */
/* ------------------------------------------------------------------------- */
void KX_TouchSensor::SynchronizeTransform()
{
if (m_physCtrl)
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{
MT_Vector3 pos = ((KX_GameObject*)GetParent())->NodeGetWorldPosition();
MT_Quaternion orn = ((KX_GameObject*)GetParent())->NodeGetWorldOrientation().getRotation();
m_physCtrl->setPosition(pos.x(),pos.y(),pos.z());
m_physCtrl->setOrientation(orn.x(),orn.y(),orn.z(),orn.w());
m_physCtrl->calcXform();
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}
}
void KX_TouchSensor::EndFrame() {
m_colliders->ReleaseAndRemoveAll();
m_bTriggered = false;
}
bool KX_TouchSensor::Evaluate(CValue* event)
{
bool result = false;
if (m_bTriggered != m_bLastTriggered)
{
m_bLastTriggered = m_bTriggered;
if (!m_bTriggered)
m_hitObject = NULL;
result = true;
}
return result;
}
KX_TouchSensor::KX_TouchSensor(SCA_EventManager* eventmgr,KX_GameObject* gameobj,bool bFindMaterial,const STR_String& touchedpropname,PyTypeObject* T)
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:SCA_ISensor(gameobj,eventmgr,T),
m_touchedpropname(touchedpropname),
m_bFindMaterial(bFindMaterial),
m_eventmgr(eventmgr),
/*m_sumoObj(sumoObj),*/
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m_bCollision(false),
m_bTriggered(false),
m_bLastTriggered(false)
{
// KX_TouchEventManager* touchmgr = (KX_TouchEventManager*) eventmgr;
// m_resptable = touchmgr->GetResponseTable();
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// m_solidHandle = m_sumoObj->getObjectHandle();
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m_hitObject = NULL;
m_colliders = new CListValue();
KX_ClientObjectInfo *client_info = gameobj->getClientInfo();
client_info->m_gameobject = gameobj;
client_info->m_auxilary_info = NULL;
client_info->m_sensors.push_back(this);
m_physCtrl = dynamic_cast<PHY_IPhysicsController*>(gameobj->GetPhysicsController());
MT_assert( !gameobj->GetPhysicsController() || m_physCtrl );
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}
KX_TouchSensor::~KX_TouchSensor()
{
//DT_ClearObjectResponse(m_resptable,m_solidHandle);
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m_colliders->Release();
}
CValue* KX_TouchSensor::GetReplica()
{
KX_TouchSensor* replica = new KX_TouchSensor(*this);
replica->m_colliders = new CListValue();
replica->m_bCollision = false;
replica->m_bTriggered= false;
replica->m_hitObject = NULL;
replica->m_bLastTriggered = false;
// this will copy properties and so on...
CValue::AddDataToReplica(replica);
return replica;
}
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void KX_TouchSensor::ReParent(SCA_IObject* parent)
{
KX_GameObject *gameobj = static_cast<KX_GameObject *>(parent);
PHY_IPhysicsController *sphy = dynamic_cast<PHY_IPhysicsController*>(((KX_GameObject*)parent)->GetPhysicsController());
if (sphy)
m_physCtrl = sphy;
// m_solidHandle = m_sumoObj->getObjectHandle();
KX_ClientObjectInfo *client_info = gameobj->getClientInfo();
client_info->m_gameobject = gameobj;
client_info->m_auxilary_info = NULL;
client_info->m_sensors.push_back(this);
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SCA_ISensor::ReParent(parent);
}
void KX_TouchSensor::RegisterSumo(KX_TouchEventManager *touchman)
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{
if (m_physCtrl)
{
touchman->GetPhysicsEnvironment()->requestCollisionCallback(m_physCtrl);
// collision
// Deprecated
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}
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}
bool KX_TouchSensor::NewHandleCollision(void*object1,void*object2,const PHY_CollData* colldata)
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{
// KX_TouchEventManager* toucheventmgr = (KX_TouchEventManager*)m_eventmgr;
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KX_GameObject* parent = (KX_GameObject*)GetParent();
// need the mapping from PHY_IPhysicsController to gameobjects now
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KX_ClientObjectInfo* client_info = static_cast<KX_ClientObjectInfo*> (object1 == m_physCtrl?
((PHY_IPhysicsController*)object2)->getNewClientInfo():
((PHY_IPhysicsController*)object1)->getNewClientInfo());
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KX_GameObject* gameobj = ( client_info ?
client_info->m_gameobject :
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NULL);
if (gameobj && (gameobj != parent) && client_info->isActor())
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{
if (!m_colliders->SearchValue(gameobj))
m_colliders->Add(gameobj->AddRef());
bool found = m_touchedpropname.IsEmpty();
if (!found)
{
if (m_bFindMaterial)
{
if (client_info->m_auxilary_info)
{
found = (m_touchedpropname == STR_String((char*)client_info->m_auxilary_info));
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}
} else
{
found = (gameobj->GetProperty(m_touchedpropname) != NULL);
}
}
if (found)
{
m_bTriggered = true;
m_hitObject = gameobj;
//printf("KX_TouchSensor::HandleCollision\n");
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}
}
return DT_CONTINUE;
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}
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/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject KX_TouchSensor::Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"KX_TouchSensor",
sizeof(KX_TouchSensor),
0,
PyDestructor,
0,
__getattr,
__setattr,
0, //&MyPyCompare,
__repr,
0, //&cvalue_as_number,
0,
0,
0,
0
};
PyParentObject KX_TouchSensor::Parents[] = {
&KX_TouchSensor::Type,
&SCA_ISensor::Type,
&SCA_ILogicBrick::Type,
&CValue::Type,
NULL
};
PyMethodDef KX_TouchSensor::Methods[] = {
{"setProperty",
(PyCFunction) KX_TouchSensor::sPySetProperty, METH_VARARGS, SetProperty_doc},
{"getProperty",
(PyCFunction) KX_TouchSensor::sPyGetProperty, METH_VARARGS, GetProperty_doc},
{"getHitObject",
(PyCFunction) KX_TouchSensor::sPyGetHitObject, METH_VARARGS, GetHitObject_doc},
{"getHitObjectList",
(PyCFunction) KX_TouchSensor::sPyGetHitObjectList, METH_VARARGS, GetHitObjectList_doc},
{NULL,NULL} //Sentinel
};
PyObject* KX_TouchSensor::_getattr(const STR_String& attr) {
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_getattr_up(SCA_ISensor);
}
/* Python API */
/* 1. setProperty */
char KX_TouchSensor::SetProperty_doc[] =
"setProperty(name)\n"
"\t- name: string\n"
"\tSet the property or material to collide with. Use\n"
"\tsetTouchMaterial() to switch between properties and\n"
"\tmaterials.";
PyObject* KX_TouchSensor::PySetProperty(PyObject* self,
PyObject* args,
PyObject* kwds) {
char *nameArg;
if (!PyArg_ParseTuple(args, "s", &nameArg)) {
return NULL;
}
CValue* prop = GetParent()->FindIdentifier(nameArg);
if (!prop->IsError()) {
m_touchedpropname = nameArg;
prop->Release();
} else {
; /* not found ... */
}
Py_Return;
}
/* 2. getProperty */
char KX_TouchSensor::GetProperty_doc[] =
"getProperty(name)\n"
"\tReturns the property or material to collide with. Use\n"
"\tgetTouchMaterial() to find out whether this sensor\n"
"\tlooks for properties or materials.";
PyObject* KX_TouchSensor::PyGetProperty(PyObject* self,
PyObject* args,
PyObject* kwds) {
return PyString_FromString(m_touchedpropname);
}
char KX_TouchSensor::GetHitObject_doc[] =
"getHitObject()\n"
;
PyObject* KX_TouchSensor::PyGetHitObject(PyObject* self,
PyObject* args,
PyObject* kwds)
{
/* to do: do Py_IncRef if the object is already known in Python */
/* otherwise, this leaks memory */
if (m_hitObject)
{
return m_hitObject->AddRef();
}
Py_Return;
}
char KX_TouchSensor::GetHitObjectList_doc[] =
"getHitObjectList()\n"
"\tReturn a list of the objects this object collided with,\n"
"\tbut only those matching the property/material condition.\n";
PyObject* KX_TouchSensor::PyGetHitObjectList(PyObject* self,
PyObject* args,
PyObject* kwds)
{
/* to do: do Py_IncRef if the object is already known in Python */
/* otherwise, this leaks memory */
if ( m_touchedpropname.IsEmpty() ) {
return m_colliders->AddRef();
} else {
CListValue* newList = new CListValue();
int i = 0;
while (i < m_colliders->GetCount()) {
if (m_bFindMaterial) {
/* need to associate the CValues from the list to material
* names. The collider list _should_ contains only
* KX_GameObjects. I am loathe to cast them, though... The
* material name must be retrieved from Sumo. To a Sumo
* object, a client-info block is attached. This block
* contains the material name.
* - this also doesn't work (obviously) for multi-materials...
*/
KX_GameObject* gameob = (KX_GameObject*) m_colliders->GetValue(i);
PHY_IPhysicsController* spc = dynamic_cast<PHY_IPhysicsController*>(gameob->GetPhysicsController());
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if (spc) {
KX_ClientObjectInfo* cl_inf = static_cast<KX_ClientObjectInfo*>(spc->getNewClientInfo());
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if (m_touchedpropname == ((char*)cl_inf->m_auxilary_info)) {
newList->Add(m_colliders->GetValue(i)->AddRef());
}
}
} else {
CValue* val = m_colliders->GetValue(i)->FindIdentifier(m_touchedpropname);
if (!val->IsError()) {
newList->Add(m_colliders->GetValue(i)->AddRef());
val->Release();
}
}
i++;
}
return newList->AddRef();
}
}
/* 5. getTouchMaterial */
char KX_TouchSensor::GetTouchMaterial_doc[] =
"getTouchMaterial()\n"
"\tReturns KX_TRUE if this sensor looks for a specific material,\n"
"\tKX_FALSE if it looks for a specific property.\n" ;
PyObject* KX_TouchSensor::PyGetTouchMaterial(PyObject* self,
PyObject* args,
PyObject* kwds)
{
return PyInt_FromLong(m_bFindMaterial);
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}
/* 6. setTouchMaterial */
char KX_TouchSensor::SetTouchMaterial_doc[] =
"setTouchMaterial(flag)\n"
"\t- flag: KX_TRUE or KX_FALSE.\n"
"\tSet flag to KX_TRUE to switch on positive pulse mode,\n"
"\tKX_FALSE to switch off positive pulse mode.\n" ;
PyObject* KX_TouchSensor::PySetTouchMaterial(PyObject* self, PyObject* args, PyObject* kwds)
{
int pulseArg = 0;
if(!PyArg_ParseTuple(args, "i", &pulseArg)) {
return NULL;
}
m_bFindMaterial = pulseArg != 0;
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Py_Return;
}
/* eof */