blender/source/gameengine/Converter/BL_ShapeActionActuator.cpp
2010-10-31 04:11:39 +00:00

495 lines
12 KiB
C++

/**
* $Id$
*
* ***** BEGIN GPL 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 LICENSE BLOCK *****
*/
#if defined (__sgi)
#include <math.h>
#else
#include <cmath>
#endif
#include "SCA_LogicManager.h"
#include "BL_ShapeActionActuator.h"
#include "BL_ShapeDeformer.h"
#include "KX_GameObject.h"
#include "STR_HashedString.h"
#include "DNA_nla_types.h"
#include "DNA_action_types.h"
#include "DNA_anim_types.h"
#include "DNA_scene_types.h"
#include "BKE_action.h"
#include "DNA_armature_types.h"
#include "MEM_guardedalloc.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "MT_Matrix4x4.h"
#include "BKE_utildefines.h"
#include "FloatValue.h"
#include "PyObjectPlus.h"
extern "C" {
#include "BKE_animsys.h"
}
BL_ShapeActionActuator::~BL_ShapeActionActuator()
{
}
void BL_ShapeActionActuator::ProcessReplica()
{
SCA_IActuator::ProcessReplica();
m_localtime=m_startframe;
m_lastUpdate=-1;
}
void BL_ShapeActionActuator::SetBlendTime (float newtime)
{
m_blendframe = newtime;
}
CValue* BL_ShapeActionActuator::GetReplica()
{
BL_ShapeActionActuator* replica = new BL_ShapeActionActuator(*this);//m_float,GetName());
replica->ProcessReplica();
return replica;
}
bool BL_ShapeActionActuator::ClampLocalTime()
{
if (m_startframe < m_endframe) {
if (m_localtime < m_startframe)
{
m_localtime = m_startframe;
return true;
}
else if (m_localtime > m_endframe)
{
m_localtime = m_endframe;
return true;
}
} else {
if (m_localtime > m_startframe)
{
m_localtime = m_startframe;
return true;
}
else if (m_localtime < m_endframe)
{
m_localtime = m_endframe;
return true;
}
}
return false;
}
void BL_ShapeActionActuator::SetStartTime(float curtime)
{
float direction = m_startframe < m_endframe ? 1.0 : -1.0;
if (!(m_flag & ACT_FLAG_REVERSE))
m_starttime = curtime - direction*(m_localtime - m_startframe)/KX_KetsjiEngine::GetAnimFrameRate();
else
m_starttime = curtime - direction*(m_endframe - m_localtime)/KX_KetsjiEngine::GetAnimFrameRate();
}
void BL_ShapeActionActuator::SetLocalTime(float curtime)
{
float delta_time = (curtime - m_starttime)*KX_KetsjiEngine::GetAnimFrameRate();
if (m_endframe < m_startframe)
delta_time = -delta_time;
if (!(m_flag & ACT_FLAG_REVERSE))
m_localtime = m_startframe + delta_time;
else
m_localtime = m_endframe - delta_time;
}
void BL_ShapeActionActuator::BlendShape(Key* key, float srcweight)
{
vector<float>::const_iterator it;
float dstweight;
KeyBlock *kb;
dstweight = 1.0F - srcweight;
for (it=m_blendshape.begin(), kb = (KeyBlock*)key->block.first;
kb && it != m_blendshape.end();
kb = (KeyBlock*)kb->next, it++) {
kb->curval = kb->curval * dstweight + (*it) * srcweight;
}
}
bool BL_ShapeActionActuator::Update(double curtime, bool frame)
{
bool bNegativeEvent = false;
bool bPositiveEvent = false;
bool keepgoing = true;
bool wrap = false;
bool apply=true;
int priority;
float newweight;
curtime -= KX_KetsjiEngine::GetSuspendedDelta();
// result = true if animation has to be continued, false if animation stops
// maybe there are events for us in the queue !
if (frame)
{
bNegativeEvent = m_negevent;
bPositiveEvent = m_posevent;
RemoveAllEvents();
if (bPositiveEvent)
m_flag |= ACT_FLAG_ACTIVE;
if (bNegativeEvent)
{
if (!(m_flag & ACT_FLAG_ACTIVE))
return false;
m_flag &= ~ACT_FLAG_ACTIVE;
}
}
/* This action can only be attached to a deform object */
BL_DeformableGameObject *obj = (BL_DeformableGameObject*)GetParent();
float length = m_endframe - m_startframe;
priority = m_priority;
/* Determine pre-incrementation behaviour and set appropriate flags */
switch (m_playtype){
case ACT_ACTION_MOTION:
if (bNegativeEvent){
keepgoing=false;
apply=false;
};
break;
case ACT_ACTION_FROM_PROP:
if (bNegativeEvent){
apply=false;
keepgoing=false;
}
break;
case ACT_ACTION_LOOP_END:
if (bPositiveEvent){
if (!(m_flag & ACT_FLAG_LOCKINPUT)){
m_flag &= ~ACT_FLAG_KEYUP;
m_flag &= ~ACT_FLAG_REVERSE;
m_flag |= ACT_FLAG_LOCKINPUT;
m_localtime = m_startframe;
m_starttime = curtime;
}
}
if (bNegativeEvent){
m_flag |= ACT_FLAG_KEYUP;
}
break;
case ACT_ACTION_LOOP_STOP:
if (bPositiveEvent){
if (!(m_flag & ACT_FLAG_LOCKINPUT)){
m_flag &= ~ACT_FLAG_REVERSE;
m_flag &= ~ACT_FLAG_KEYUP;
m_flag |= ACT_FLAG_LOCKINPUT;
SetStartTime(curtime);
}
}
if (bNegativeEvent){
m_flag |= ACT_FLAG_KEYUP;
m_flag &= ~ACT_FLAG_LOCKINPUT;
keepgoing=false;
apply=false;
}
break;
case ACT_ACTION_FLIPPER:
if (bPositiveEvent){
if (!(m_flag & ACT_FLAG_LOCKINPUT)){
m_flag &= ~ACT_FLAG_REVERSE;
m_flag |= ACT_FLAG_LOCKINPUT;
SetStartTime(curtime);
}
}
else if (bNegativeEvent){
m_flag |= ACT_FLAG_REVERSE;
m_flag &= ~ACT_FLAG_LOCKINPUT;
SetStartTime(curtime);
}
break;
case ACT_ACTION_PLAY:
if (bPositiveEvent){
if (!(m_flag & ACT_FLAG_LOCKINPUT)){
m_flag &= ~ACT_FLAG_REVERSE;
m_localtime = m_starttime;
m_starttime = curtime;
m_flag |= ACT_FLAG_LOCKINPUT;
}
}
break;
default:
break;
}
/* Perform increment */
if (keepgoing){
if (m_playtype == ACT_ACTION_MOTION){
MT_Point3 newpos;
MT_Point3 deltapos;
newpos = obj->NodeGetWorldPosition();
/* Find displacement */
deltapos = newpos-m_lastpos;
m_localtime += (length/m_stridelength) * deltapos.length();
m_lastpos = newpos;
}
else{
SetLocalTime(curtime);
}
}
/* Check if a wrapping response is needed */
if (length){
if (m_localtime < m_startframe || m_localtime > m_endframe)
{
m_localtime = m_startframe + fmod(m_localtime, length);
wrap = true;
}
}
else
m_localtime = m_startframe;
/* Perform post-increment tasks */
switch (m_playtype){
case ACT_ACTION_FROM_PROP:
{
CValue* propval = GetParent()->GetProperty(m_propname);
if (propval)
m_localtime = propval->GetNumber();
if (bNegativeEvent){
keepgoing=false;
}
}
break;
case ACT_ACTION_MOTION:
break;
case ACT_ACTION_LOOP_STOP:
break;
case ACT_ACTION_FLIPPER:
if (wrap){
if (!(m_flag & ACT_FLAG_REVERSE)){
m_localtime=m_endframe;
//keepgoing = false;
}
else {
m_localtime=m_startframe;
keepgoing = false;
}
}
break;
case ACT_ACTION_LOOP_END:
if (wrap){
if (m_flag & ACT_FLAG_KEYUP){
keepgoing = false;
m_localtime = m_endframe;
m_flag &= ~ACT_FLAG_LOCKINPUT;
}
SetStartTime(curtime);
}
break;
case ACT_ACTION_PLAY:
if (wrap){
m_localtime = m_endframe;
keepgoing = false;
m_flag &= ~ACT_FLAG_LOCKINPUT;
}
break;
default:
keepgoing = false;
break;
}
/* Set the property if its defined */
if (m_framepropname[0] != '\0') {
CValue* propowner = GetParent();
CValue* oldprop = propowner->GetProperty(m_framepropname);
CValue* newval = new CFloatValue(m_localtime);
if (oldprop) {
oldprop->SetValue(newval);
} else {
propowner->SetProperty(m_framepropname, newval);
}
newval->Release();
}
if (bNegativeEvent)
m_blendframe=0.0f;
/* Apply the pose if necessary*/
if (apply) {
/* Priority test */
if (obj->SetActiveAction(this, priority, curtime)){
Key *key = obj->GetKey();
if (!key) {
// this could happen if the mesh was changed in the middle of an action
// and the new mesh has no key, stop the action
keepgoing = false;
}
else {
ListBase tchanbase= {NULL, NULL};
if (m_blendin && m_blendframe==0.0f){
// this is the start of the blending, remember the startup shape
obj->GetShape(m_blendshape);
m_blendstart = curtime;
}
// only interested in shape channel
// in 2.4x was // extract_ipochannels_from_action(&tchanbase, &key->id, m_action, "Shape", m_localtime);
BKE_animsys_evaluate_animdata(&key->id, key->adt, m_localtime, ADT_RECALC_ANIM);
// XXX - in 2.5 theres no way to do this. possibly not that important to support - Campbell
if (0) { // XXX !execute_ipochannels(&tchanbase)) {
// no update, this is possible if action does not match the keys, stop the action
keepgoing = false;
}
else {
// the key have changed, apply blending if needed
if (m_blendin && (m_blendframe<m_blendin)){
newweight = (m_blendframe/(float)m_blendin);
BlendShape(key, 1.0f - newweight);
/* Increment current blending percentage */
m_blendframe = (curtime - m_blendstart)*KX_KetsjiEngine::GetAnimFrameRate();
if (m_blendframe>m_blendin)
m_blendframe = m_blendin;
}
m_lastUpdate = m_localtime;
}
BLI_freelistN(&tchanbase);
}
}
else{
m_blendframe = 0.0f;
}
}
if (!keepgoing){
m_blendframe = 0.0f;
}
return keepgoing;
};
#ifdef WITH_PYTHON
/* ------------------------------------------------------------------------- */
/* Python functions */
/* ------------------------------------------------------------------------- */
/* Integration hooks ------------------------------------------------------- */
PyTypeObject BL_ShapeActionActuator::Type = {
PyVarObject_HEAD_INIT(NULL, 0)
"BL_ShapeActionActuator",
sizeof(PyObjectPlus_Proxy),
0,
py_base_dealloc,
0,
0,
0,
0,
py_base_repr,
0,0,0,0,0,0,0,0,0,
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
0,0,0,0,0,0,0,
Methods,
0,
0,
&SCA_IActuator::Type,
0,0,0,0,0,0,
py_base_new
};
PyMethodDef BL_ShapeActionActuator::Methods[] = {
{NULL,NULL} //Sentinel
};
PyAttributeDef BL_ShapeActionActuator::Attributes[] = {
KX_PYATTRIBUTE_FLOAT_RW("frameStart", 0, MAXFRAMEF, BL_ShapeActionActuator, m_startframe),
KX_PYATTRIBUTE_FLOAT_RW("frameEnd", 0, MAXFRAMEF, BL_ShapeActionActuator, m_endframe),
KX_PYATTRIBUTE_FLOAT_RW("blendIn", 0, MAXFRAMEF, BL_ShapeActionActuator, m_blendin),
KX_PYATTRIBUTE_RW_FUNCTION("action", BL_ShapeActionActuator, pyattr_get_action, pyattr_set_action),
KX_PYATTRIBUTE_SHORT_RW("priority", 0, 100, false, BL_ShapeActionActuator, m_priority),
KX_PYATTRIBUTE_FLOAT_RW_CHECK("frame", 0, MAXFRAMEF, BL_ShapeActionActuator, m_localtime, CheckFrame),
KX_PYATTRIBUTE_STRING_RW("propName", 0, 31, false, BL_ShapeActionActuator, m_propname),
KX_PYATTRIBUTE_STRING_RW("framePropName", 0, 31, false, BL_ShapeActionActuator, m_framepropname),
KX_PYATTRIBUTE_FLOAT_RW_CHECK("blendTime", 0, MAXFRAMEF, BL_ShapeActionActuator, m_blendframe, CheckBlendTime),
KX_PYATTRIBUTE_SHORT_RW_CHECK("mode",0,100,false,BL_ShapeActionActuator,m_playtype,CheckType),
{ NULL } //Sentinel
};
PyObject* BL_ShapeActionActuator::pyattr_get_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef)
{
BL_ShapeActionActuator* self= static_cast<BL_ShapeActionActuator*>(self_v);
return PyUnicode_FromString(self->GetAction() ? self->GetAction()->id.name+2 : "");
}
int BL_ShapeActionActuator::pyattr_set_action(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef, PyObject *value)
{
BL_ShapeActionActuator* self= static_cast<BL_ShapeActionActuator*>(self_v);
/* exact copy of BL_ActionActuator's function from here down */
if (!PyUnicode_Check(value))
{
PyErr_SetString(PyExc_ValueError, "actuator.action = val: Shape Action Actuator, expected the string name of the action");
return PY_SET_ATTR_FAIL;
}
bAction *action= NULL;
STR_String val = _PyUnicode_AsString(value);
if (val != "")
{
action= (bAction*)SCA_ILogicBrick::m_sCurrentLogicManager->GetActionByName(val);
if (action==NULL)
{
PyErr_SetString(PyExc_ValueError, "actuator.action = val: Shape Action Actuator, action not found!");
return PY_SET_ATTR_FAIL;
}
}
self->SetAction(action);
return PY_SET_ATTR_SUCCESS;
}
#endif // WITH_PYTHON