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Serious-Engine/Sources/LWSkaExporter/AnimExport.cpp
Matt Lee a4af93fa31 Add GPL header to files
2016-03-11 18:20:51 -06:00

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/* Copyright (c) 2002-2012 Croteam Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of version 2 of the GNU General Public License as published by
the Free Software Foundation
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. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <assert.h>
#include <lwsurf.h>
#include <lwhost.h>
#include <lwserver.h>
#include <lwgeneric.h>
#include <crtdbg.h>
#include <stdarg.h>
#include "vecmat.h"
#include <crtdbg.h>
#include <lwserver.h>
#include <lwmotion.h>
#include <lwxpanel.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "base.h"
static int _iFrame = 0;
static int _ctFrames = 0;
static int _ctBones = 0;
static int ctBoneEnvelopes = 0;
static int ctMorphEnvelopes = 0;
bool bRecordDefaultFrame = false;
extern int ReloadGlobalObjects();
extern bool bExportAbsPositions; // export first bone absolute position
typedef float Matrix12[12];
void MakeRotationAndPosMatrix(Matrix12 &mrm_f, float *pmrm_vPos, float *pmrm_vRot)
{
assert(_CrtCheckMemory());
float mat[3][4];
float fSinH = sinf(pmrm_vRot[0]); // heading
float fCosH = cosf(pmrm_vRot[0]);
float fSinP = sinf(pmrm_vRot[1]); // pitch
float fCosP = cosf(pmrm_vRot[1]);
float fSinB = sinf(pmrm_vRot[2]); // banking
float fCosB = cosf(pmrm_vRot[2]);
memset(&mat,0,sizeof(mat));
mat[0][0] = fCosH*fCosB+fSinP*fSinH*fSinB;
mat[0][1] = fSinP*fSinH*fCosB-fCosH*fSinB;
mat[0][2] = -(fCosP*fSinH);
mat[1][0] = fCosP*fSinB;
mat[1][1] = fCosP*fCosB;
mat[1][2] = -(-fSinP);
mat[2][0] = -(fSinP*fCosH*fSinB-fSinH*fCosB);
mat[2][1] = -(fSinP*fCosH*fCosB+fSinH*fSinB);
mat[2][2] = fCosP*fCosH;
// add Position
mat[0][3] = pmrm_vPos[0];
mat[1][3] = pmrm_vPos[1];
mat[2][3] = pmrm_vPos[2];
memcpy(mrm_f,&mat,sizeof(mat));
}
void MakeIdentityMatrix(Matrix12 &mat)
{
memset(&mat,0,sizeof(mat));
mat[0] = 1;
mat[5] = 1;
mat[10] = 1;
//mat[11] = 1;
}
static void MatrixTranspose(Matrix12 &r, const Matrix12 &m)
{
r[ 0] = m[ 0];
r[ 5] = m[ 5];
r[10] = m[10];
r[ 3] = m[ 3];
r[ 7] = m[ 7];
r[11] = m[11];
r[1] = m[4];
r[2] = m[8];
r[4] = m[1];
r[8] = m[2];
r[6] = m[9];
r[9] = m[6];
r[ 3] = -r[0]*m[3] - r[1]*m[7] - r[ 2]*m[11];
r[ 7] = -r[4]*m[3] - r[5]*m[7] - r[ 6]*m[11];
r[11] = -r[8]*m[3] - r[9]*m[7] - r[10]*m[11];
}
// concatenate two 3x4 matrices [conc = MxN]
void MatrixMultiply(Matrix12 &c,const Matrix12 &m, const Matrix12 &n)
{
c[0] = m[0]*n[0] + m[1]*n[4] + m[2]*n[8];
c[1] = m[0]*n[1] + m[1]*n[5] + m[2]*n[9];
c[2] = m[0]*n[2] + m[1]*n[6] + m[2]*n[10];
c[3] = m[0]*n[3] + m[1]*n[7] + m[2]*n[11] + m[3];
c[4] = m[4]*n[0] + m[5]*n[4] + m[6]*n[8];
c[5] = m[4]*n[1] + m[5]*n[5] + m[6]*n[9];
c[6] = m[4]*n[2] + m[5]*n[6] + m[6]*n[10];
c[7] = m[4]*n[3] + m[5]*n[7] + m[6]*n[11] + m[7];
c[8] = m[8]*n[0] + m[9]*n[4] + m[10]*n[8];
c[9] = m[8]*n[1] + m[9]*n[5] + m[10]*n[9];
c[10] = m[8]*n[2] + m[9]*n[6] + m[10]*n[10];
c[11] = m[8]*n[3] + m[9]*n[7] + m[10]*n[11] + m[11];
}
// matrix copy
void MatrixCopy(Matrix12 &c, const Matrix12 &m)
{
memcpy(&c,&m,sizeof(c));
}
void PrintMatrix(FILE *_f, Matrix12 &mat, int ctSpaces)
{
char str_Spaces[16];
memset(&str_Spaces,32,sizeof(str_Spaces));
str_Spaces[15] = 0;
str_Spaces[ctSpaces] = 0;
fprintf(_f,"%s",str_Spaces);
fprintf(_f,"%g,%g,%g,%g,\t" ,mat[0],mat[1],mat[2],mat[3]);
fprintf(_f,"%g,%g,%g,%g,\t" ,mat[4],mat[5],mat[6],mat[7]);
fprintf(_f,"%g,%g,%g,%g;" ,mat[8],mat[9],mat[10],mat[11]);
}
void MakeRotationMatrix(Matrix12 &mRotation,float *afAngles)
{
float fSinH = (float) sin(afAngles[0]); // heading
float fCosH = (float) cos(afAngles[0]);
float fSinP = (float) sin(afAngles[1]); // pitch
float fCosP = (float) cos(afAngles[1]);
float fSinB = (float) sin(afAngles[2]); // banking
float fCosB = (float) cos(afAngles[2]);
mRotation[0] = fCosH*fCosB+fSinP*fSinH*fSinB;
mRotation[1] = fSinP*fSinH*fCosB-fCosH*fSinB;
mRotation[2] = fCosP*fSinH;
mRotation[3] = 0;
mRotation[4] = fCosP*fSinB;
mRotation[5] = fCosP*fCosB;
mRotation[6] = -fSinP;
mRotation[7] = 0;
mRotation[8] = fSinP*fCosH*fSinB-fSinH*fCosB;
mRotation[9] = fSinP*fCosH*fCosB+fSinH*fSinB;
mRotation[10] = fCosP*fCosH;
mRotation[11] = 0;
for (int i=0;i<12;i++) if(fabs(mRotation[i]) < 0.001) mRotation[i] = 0;
}
/*
* Decompose rotation matrix into angles in 3D.
*/
// NOTE: for derivation of the algorithm, see mathlib.doc
void DecomposeRotationMatrixNoSnap(const Matrix12 &mRotation,float *afAngles)
{
float &h=afAngles[0]; // heading
float &p=afAngles[1]; // pitch
float &b=afAngles[2]; // banking
float a; // temporary
// calculate pitch
float f23 = mRotation[6];
p = (float) asin(-f23);
a = (float) sqrt(1.0f-f23*f23);
// if pitch makes banking beeing the same as heading
if (a<0.001) {
// we choose to have banking of 0
b = 0;
// and calculate heading for that
assert(fabs(mRotation[6])>0.5); // must be around 1, what is far from 0
h = (float) atan2(mRotation[1]/(-mRotation[6]), mRotation[0]); // no division by 0
// otherwise
} else {
// calculate banking and heading normally
b = (float) atan2(mRotation[4], mRotation[5]);
h = (float) atan2(mRotation[2], mRotation[10]);
}
}
void MatchGoalOrientation(LWItemID objectID,float *frot,double time)
{
LWItemID goalID,parentID;
double rot[3];
Matrix12 mGoal,mBone,mTemp,mMul;
int bGoalOrient;
goalID = _iti->goal(objectID);
// the rotation of this bone must be the same as the rotation of it's goal object.
// first get the absolute rotation of the goal object
_iti->param(goalID,LWIP_ROTATION,time,rot);
frot[0] = (float) rot[0];
frot[1] = (float) rot[1];
frot[2] = (float) rot[2];
MakeRotationMatrix(mGoal,frot);
parentID = _iti->parent(goalID);
while (parentID != LWITEM_NULL) {
_iti->param(parentID,LWIP_ROTATION,time,rot);
frot[0] = (float) rot[0];
frot[1] = (float) rot[1];
frot[2] = (float) rot[2];
MakeRotationMatrix(mTemp,frot);
MatrixMultiply(mMul,mTemp,mGoal);
MatrixCopy(mGoal,mMul);
parentID = _iti->parent(parentID);
}
// now get the absolute rotation of this bone
MakeIdentityMatrix(mBone);
parentID = _iti->parent(objectID);
while (parentID != LWITEM_NULL) {
bGoalOrient = _iti->flags(parentID) & LWITEMF_GOAL_ORIENT;
if (bGoalOrient) {
MatchGoalOrientation(parentID,frot,time);
} else {
_iti->param(parentID,LWIP_ROTATION,time,rot);
frot[0] = (float) rot[0];
frot[1] = (float) rot[1];
frot[2] = (float) rot[2];
}
MakeRotationMatrix(mTemp,frot);
MatrixMultiply(mMul,mTemp,mBone);
MatrixCopy(mBone,mMul);
parentID = _iti->parent(parentID);
}
MatrixTranspose(mTemp,mBone);
MatrixMultiply(mMul,mTemp,mGoal);
DecomposeRotationMatrixNoSnap(mMul,frot);
};
bool ExecCmd(const char *strFormat, ...)
{
char strCommand[256];
va_list arg;
va_start(arg, strFormat);
vsprintf(strCommand, strFormat, arg);
{int iOk = _evaluate(_serverData, strCommand);
if (iOk==0) {
_msg->error("Can't execute command", strCommand);
return false;
}}
return true;
}
// enumeraion function used to test if the currently selected vmap is used by the current mesh
static int CheckPointVmap(void *dummy, LWPntID id)
{
float v[3];
if (_pmesh->pntVGet(_pmesh, id, v)) {
return 1;
} else {
return 0;
}
}
static char *_strFileName = NULL;
static const char *_strSceneName = NULL;
static FILE *_f = NULL;
static BoneInfo *_pbiFirst = NULL; // linked list of all instances
static MorphInfo *_pmiFirst = NULL; // linked list of all instances
static Matrix12 *_pmRootBoneAbs=NULL;
/*
======================================================================
Create()
Handler callback. Allocate and initialize instance data.
====================================================================== */
XCALL_( static LWInstance )
Create( void *priv, LWItemID item, LWError *err )
{
// create the instance
BoneInfo *pii = (BoneInfo*)malloc(sizeof(BoneInfo));
pii->bi_strName = _iti->name(item);
_ctBones++;
// get parent bone name
LWItemID pParentID = _iti->parent(item);
//strdup()
pii->bi_strParentName = _iti->name(pParentID);
if(_iti->type(pParentID) != LWI_BONE) {
// this is root bone
pii->bi_strParentName = "";
}
// get item type
pii->bi_lwItemType = _iti->type(item);
pii->bi_uiFlags = _pbi->flags(item);
// allocate space for storing frames
pii->bi_abfFrames = (BoneFrame*)malloc(sizeof(BoneFrame)*_ctFrames);
// if first time here
if(_pbiFirst==NULL)
{
// allocate space for storing absolute position for root bone
_pmRootBoneAbs = (Matrix12*)malloc(sizeof(Matrix12)*_ctFrames);
for(int ifr=0;ifr<_ctFrames;ifr++)
{
// reset matrices of root bone for all frames
MakeIdentityMatrix(_pmRootBoneAbs[ifr]);
}
}
// link into list
pii->bi_pbiNext = _pbiFirst;
_pbiFirst = pii;
return pii;
}
/*
======================================================================
Destroy()
Handler callback. Free resources allocated by Create().
====================================================================== */
XCALL_( static void )
Destroy( BoneInfo *inst)
{
free(inst);
//free(_pmRootBoneAbs);
}
/*
======================================================================
Copy()
Handler callback. Copy instance data.
====================================================================== */
XCALL_( static LWError )
Copy( BoneInfo *to, BoneInfo *from )
{
*to = *from;
return NULL;
}
/*
======================================================================
Load()
Handler callback. Read instance data.
====================================================================== */
XCALL_( static LWError )
Load( BoneInfo *inst, const LWLoadState *ls )
{
return NULL;
}
/*
======================================================================
Save()
Handler callback. Write instance data.
====================================================================== */
XCALL_( static LWError )
Save( BoneInfo *inst, const LWSaveState *ss )
{
return NULL;
}
/*
======================================================================
Describe()
Handler callback. Write a short, human-readable string describing
the instance data.
====================================================================== */
XCALL_( static const char * )
Describe( BoneInfo *inst )
{
static char desc[ 80 ];
sprintf( desc, "SE Motion Export Handler");
return desc;
}
/*
======================================================================
Flags()
Handler callback.
====================================================================== */
XCALL_( static int )
Flags( BoneInfo *inst )
{
return LWIMF_AFTERIK;
}
/*
======================================================================
Evaluate()
Handler callback. This is where we can modify the item's motion.
====================================================================== */
XCALL_( static void )
Evaluate( BoneInfo *pii, const LWItemMotionAccess *access )
{
double pos[3], rot[3], pivotpos[3], pivotrot[3];
access->getParam( LWIP_POSITION, access->time, pos);
access->getParam( LWIP_ROTATION, access->time, rot);
//access->getParam( LWIP_PIVOT, access->time, rot2);
LWItemID bone = access->item;
int bGoalOrient = _iti->flags(bone) & LWITEMF_GOAL_ORIENT;
if(bRecordDefaultFrame)
{
// default position
_pbi->restParam( bone, LWIP_POSITION, pos );
_pbi->restParam( bone, LWIP_ROTATION, rot );
pii->fRestLength = (float)_pbi->restLength(bone);
pii->bi_abfDefault.fi_vPos[0] = (float)pos[0];
pii->bi_abfDefault.fi_vPos[1] = (float)pos[1];
pii->bi_abfDefault.fi_vPos[2] = (float)pos[2];
if (fabs(rot[0]) < 0.001) rot[0] = 0;
if (fabs(rot[1]) < 0.001) rot[1] = 0;
if (fabs(rot[2]) < 0.001) rot[2] = 0;
pii->bi_abfDefault.fi_vRot[0] = (float) rot[0];
pii->bi_abfDefault.fi_vRot[1] = (float) rot[1];
pii->bi_abfDefault.fi_vRot[2] = (float) rot[2];
LWDVector vMin;
LWDVector vMax;
unsigned int uiRet;
uiRet = _iti->limits(bone,3,vMin,vMax);
}
else
{
pii->bi_abfFrames[_iFrame].fi_vPos[0] = (float)pos[0];
pii->bi_abfFrames[_iFrame].fi_vPos[1] = (float)pos[1];
pii->bi_abfFrames[_iFrame].fi_vPos[2] = (float)pos[2];
if (bGoalOrient) {
MatchGoalOrientation(bone,pii->bi_abfFrames[_iFrame].fi_vRot,access->time);
} else {
pii->bi_abfFrames[_iFrame].fi_vRot[0] = (float)rot[0];
pii->bi_abfFrames[_iFrame].fi_vRot[1] = (float)rot[1];
pii->bi_abfFrames[_iFrame].fi_vRot[2] = (float)rot[2];
}
// if this is not bone
if((pii->bi_lwItemType!=LWI_BONE))// && (pii->bi_pbiNext!=NULL) && (pii->bi_pbiNext->bi_lwItemType == LWI_BONE))
{
// get pivot position
_iti->param(bone,LWIP_PIVOT,access->time,pivotpos);
_iti->param(bone,LWIP_PIVOT_ROT,access->time,pivotrot);
float fPivotPos[3], fPivotRot[3];
for(int ia=0;ia<3;ia++)
{
fPivotPos[ia] = (float)pivotpos[ia];
fPivotRot[ia] = (float)pivotrot[ia];
}
fPivotPos[2] *=-1;
pii->bi_abfFrames[_iFrame].fi_vPos[2] *=-1;
// get object pivot matix
Matrix12 mPivot,mPivotInvert;
MakeRotationAndPosMatrix(mPivot,fPivotPos,fPivotRot);
MatrixTranspose(mPivotInvert,mPivot);
// get object matrix
Matrix12 mTemp,mObject;
MakeRotationAndPosMatrix(mObject,&pii->bi_abfFrames[_iFrame].fi_vPos[0],&pii->bi_abfFrames[_iFrame].fi_vRot[0]);
MatrixCopy(mTemp,mObject);
MatrixMultiply(mObject,mTemp,mPivotInvert);
//MakeIdentityMatrix(mTemp);
//MatrixCopy(mTemp,mPivot);
// add its position and rotation to abs matrix
//MakeIdentityMatrix(mTemp);
MatrixCopy(mTemp,_pmRootBoneAbs[_iFrame]);
MatrixMultiply(_pmRootBoneAbs[_iFrame],mObject,mTemp);
pii->bi_abfFrames[_iFrame].fi_vPos[2] *=-1;
}
}
//_RPT3(_CRT_WARN, "item: %s, frame: %d, time: %g\n", _iti->name(access->item), access->frame, access->time);
//_RPT3(_CRT_WARN, "pos: %g, %g, %g\n", pos[0], pos[1], pos[2]);
//_RPT3(_CRT_WARN, "rot: %g, %g, %g\n", rot[0], rot[1], rot[2]);
}
/*
======================================================================
Handler()
Handler activation function. Check the version and fill in the
callback fields of the handler structure.
====================================================================== */
XCALL_( int )
Animation_Handler( long version, GlobalFunc *_global, LWItemMotionHandler *local,
void *serverData)
{
if ( version != LWITEMMOTION_VERSION ) return AFUNC_BADVERSION;
_iti = (LWItemInfo *)_global(LWITEMINFO_GLOBAL, GFUSE_TRANSIENT);
if (_iti==NULL) {
return AFUNC_BADGLOBAL;
}
local->inst->create = Create;
local->inst->destroy = (void (*)(void *))Destroy;
local->inst->load = (const char *(__cdecl *)(void *,const struct st_LWLoadState *))Load;
local->inst->save = (const char *(__cdecl *)(void *,const struct st_LWSaveState *))Save;
local->inst->copy = (const char *(__cdecl *)(void *,void *))Copy;
local->inst->descln = (const char *(__cdecl *)(void *))Describe;
local->evaluate = (void (__cdecl *)(void *,const struct st_LWItemMotionAccess *))Evaluate;
local->flags = (unsigned int (__cdecl *)(void *))Flags;
return AFUNC_OK;
}
static bool ApplyExportHander(LWItemID itemID)
{
if (!ExecCmd("SelectItem %x", itemID)) {
return false;
}
if (!ExecCmd("ApplyServer ItemMotionHandler " DEBUGEXT "internal_SEAnimExport")) {
return false;
}
return true;
}
static bool ActivateExportHandler(LWItemID itemID)
{
LWItemID boneid = _iti->first(LWI_BONE, itemID);
// if no bones in the scene
if (!boneid) {
// this is not a fatal error
return true;
}
// get root bone parent
LWItemID pParentID = _iti->parent(boneid);
// apply export handeler for all bones in scene
while (boneid!=LWITEM_NULL) {
if(!ApplyExportHander(boneid))
{
// failed
return false;
}
boneid = _iti->next(boneid);
}
// add motion handler to all objects in hierarchy before skeleton if exportabspositions is turned on
if(bExportAbsPositions)
{
while(pParentID != LWITEM_NULL)
{
// apply it only if item isn't bone
if(_iti->type(pParentID) != LWI_BONE)
{
if(!ApplyExportHander(pParentID))
{
return false;
}
}
// get parents parent
const char *bi_strParentName = _iti->name(pParentID);
pParentID = _iti->parent(pParentID);
}
}
return true;
}
static bool RemoveExportHander(LWItemID itemID)
{
if (!ExecCmd("SelectItem %x", itemID)) {
return false;
}
for(int iServer=1;;iServer++) {
const char *strServer = _iti->server(itemID, "ItemMotionHandler", iServer);
if (strServer==NULL) {
break;
}
if (strcmp(strServer, DEBUGEXT "internal_SEAnimExport")==0) {
if (!ExecCmd("RemoveServer ItemMotionHandler %d", iServer)) {
return false;
}
}
}
return true;
}
static void DeactivateExportHandler(LWItemID itemID)
{
LWItemID boneid = _iti->first(LWI_BONE, itemID);
// remove motion handler from all objects in hierarchy before skeleton if exportabspositions is turned on
if(bExportAbsPositions)
{
LWItemID pParentID = _iti->parent(boneid);
while(pParentID != LWITEM_NULL)
{
// apply it only if item isn't bone
if(_iti->type(pParentID) != LWI_BONE)
{
if(!RemoveExportHander(pParentID))
{
return;
}
}
// get parents parent
const char *bi_strParentName = _iti->name(pParentID);
pParentID = _iti->parent(pParentID);
}
}
// remove export handeler for all bones in scene
while (boneid!=LWITEM_NULL) {
if(!RemoveExportHander(boneid))
{
return;
}
boneid = _iti->next(boneid);
}
return;
}
// find all morph channels for the current mesh
void FindMorphChannels(LWChanGroupID idParentGroup)
{
// for each group in the given parent
for(LWChanGroupID idGroup = _chi->nextGroup(idParentGroup, NULL);
idGroup!=NULL;
idGroup = _chi->nextGroup(idParentGroup, idGroup)) {
const char *strGroupName = _chi->groupName(idGroup);
if (idParentGroup==NULL && strcmp(strGroupName, _iti->name(_objid))!=0) {
continue;
}
// for each channel in the group
for(LWChannelID idChan = _chi->nextChannel(idGroup, NULL);
idChan!=NULL;
idChan = _chi->nextChannel(idGroup, idChan)) {
// generate morhpmap name from the info about the channel and its parents
const char *strName = _chi->channelName(idChan);
char strMapName[256] = "";
if (idParentGroup!=NULL) {
strcat(strMapName, strGroupName);
strcat(strMapName, ".");
}
strcat(strMapName, strName);
// if the morphmap does not exist, skip the channel
void *pMap = _pmesh->pntVLookup(_pmesh, LWVMAP_MORF, strMapName);
if (pMap==NULL) {
pMap = _pmesh->pntVLookup(_pmesh, LWVMAP_SPOT, strMapName);
}
if (pMap==NULL) {
continue;
}
// select that morhpmap
_pmesh->pntVSelect(_pmesh, pMap);
// check if any point uses that vmap
int iUsed = _pmesh->scanPoints(_pmesh, CheckPointVmap, NULL);
// if not used
if (iUsed==0) {
// skip it
continue;
}
// -- if we get here it means that the channel is really a morph map for this object
// generate morph info
MorphInfo *pmi = (MorphInfo *)malloc(sizeof(MorphInfo));
pmi->mi_strName = strdup(strMapName);
pmi->mi_idChannel = idChan;
pmi->mi_pmiNext = _pmiFirst;
_pmiFirst = pmi;
pmi->mi_afFrames = (float *)malloc(sizeof(float)*_ctFrames);
}
// enum all subgroups of this group
FindMorphChannels(idGroup);
}
}
// create anim name (from original file name)
void GetAnimID(char *fnAnimFile)
{
char temp[256];
char strAnimName[256];
strcpy(temp,fnAnimFile);
char *pchDot = strrchr(temp, '.');
char *pchSlash = strrchr(temp, '\\');
int IResultS = pchSlash - temp + 1;
int IResultD = pchDot - temp;
if((pchDot!=NULL) && (pchSlash!=NULL))
{
int len = IResultD-IResultS;
memcpy(strAnimName,&temp[IResultS],len);
strAnimName[len] = '_';
strAnimName[len+1] = 0;
strcat(strAnimName,_sci->name);
char *pchDot2 = strrchr(strAnimName, '.');
if(pchDot2!=NULL) *pchDot2 = 0;
}
else
{
strcpy(strAnimName,fnAnimFile);
}
strcpy(fnAnimFile,strAnimName);
}
double GetCurrentTime()
{
LWTimeInfo *_tmi = (LWTimeInfo *)_global( LWTIMEINFO_GLOBAL, GFUSE_TRANSIENT );
return _tmi->time;
}
void WriteAnimFrame(BoneInfo *pbi,int iFrame)
{
// Fill 3x4 matrix and store rotation and position in it
Matrix12 bi_mRot;
BoneFrame &bf = pbi->bi_abfFrames[iFrame];
bf.fi_vPos[2] *= -1;
MakeRotationAndPosMatrix(bi_mRot,bf.fi_vPos,bf.fi_vRot);
// if doesent have parent (root bone)
if(strlen(pbi->bi_strParentName) == 0) {
// add position and rotation of parent object to root bone
Matrix12 mTemp;
MatrixCopy(mTemp,bi_mRot);
MatrixMultiply(bi_mRot,_pmRootBoneAbs[iFrame],mTemp);
}
// write matrix to file
PrintMatrix(_f,bi_mRot,4);
fprintf(_f,"\n");
}
//
int ExportAnim(LWXPanelID pan)
{
if(!_evaluate)
{
// lightwave error
_msg->error("Lightwave process error !\nClose plugins window and try again.\n", NULL);
return AFUNC_BADAPP;
}
bool bDoBones = false;
ctBoneEnvelopes = 0;
ctMorphEnvelopes = 0;
ReloadGlobalObjects();
// !!!! make it work with a selected object, not the first one in scene
bool bExportOnlySelected = false;
int bExportAnimBackward = *(int*)_xpanf->formGet( pan, ID_ANIM_ORDER);
// count selected objects
int ctSelectedMeshed = 0;
int ctMeshes=0;
_objid = _iti->first(LWI_OBJECT,0);
while(_objid != LWITEM_NULL)
{
if(_iti->type(_objid) == LWI_OBJECT)
{
_pmesh = _obi->meshInfo(_objid, 0);
if(_pmesh != NULL)
{
if(_ifi->itemFlags(_objid) & LWITEMF_SELECTED)
{
ctSelectedMeshed++;
}
}
ctMeshes++;
}
_objid = _iti->next(_objid);
}
// get the first object in the scene
_objid = _iti->first(LWI_OBJECT,0);
if (!_objid)
{
_msg->error("No object in the scene.", NULL);
return AFUNC_OK;
}
// if some objects are selected export only them
if(ctSelectedMeshed > 0) bExportOnlySelected = true;
// dont ask to export all meshes if only one mesh in the scene
if(ctSelectedMeshed == 0)
{
if(ctMeshes > 1)
{
if(_msg->yesNo("No objects selected","Export animations for all objects?",NULL) == 0)
return AFUNC_OK;
bExportOnlySelected = false;
}
}
// loop each mesh in scene
while(_objid != LWITEM_NULL)
{
// get its mesh
_pmesh = _obi->meshInfo(_objid, 0);
if(_pmesh == NULL)
{
_objid = _iti->next(_objid);
continue;
}
if(bExportOnlySelected)
{
if(!(_ifi->itemFlags(_objid) & LWITEMF_SELECTED))
{
_objid = _iti->next(_objid);
continue;
}
}
// get mesh name
_strFileName = strdup(_obi->filename(_objid));
// open the file to print into
char fnmOut[256];
strcpy(fnmOut, _strFileName);
// get first slash in filename
char *pchSlash = strrchr(fnmOut, '.');
if (pchSlash!=NULL) {
*(pchSlash++) = '_';
strcpy(pchSlash,_sci->name);
char *pchDot = strrchr(fnmOut, '.');
if(pchDot!=NULL)
{
strcpy(pchDot, ".aa");
}
}
_f = fopen(fnmOut, "w");
if (_f==NULL) {
_msg->error("Can't open file", fnmOut);
goto end;
}
// calculate number of frames to export
_ctFrames = ((_ifi->previewEnd-_ifi->previewStart)/_ifi->previewStep)+1;
if (_ctFrames<=0) {
_ctFrames = 1;
}
_iFrame = 0;
// find all morph channels for the current mesh
_pmiFirst = NULL;
FindMorphChannels(NULL);
// add internal motion handler to each bone
if (!ActivateExportHandler(_objid)) {
_msg->error("Cannot apply internal bone motion handler!", NULL);
}
bRecordDefaultFrame = true;
if (!ExecCmd("GoToFrame 0")) {
goto end;
}
bRecordDefaultFrame = false;
{
// for each frame in current preview selection
for (int iFrame=_ifi->previewStart; iFrame<=_ifi->previewEnd; iFrame+=_ifi->previewStep) {
// go to that frame
if (!ExecCmd("GoToFrame %d", iFrame)) {
goto end;
}
assert(_iFrame>=0 && _iFrame<_ctFrames);
// NOTE: walking all frames implicitly lets the internal itemmotion handler record all bone positions
// we walk the morph maps manually
// for each morph in list
for (MorphInfo *pmi=_pmiFirst; pmi!=NULL; pmi = pmi->mi_pmiNext) {
// evaluate the channel value in this frame
pmi->mi_afFrames[_iFrame] = (float)_chi->channelEvaluate(pmi->mi_idChannel, GetCurrentTime());
}
_iFrame++;
}
}
char strAnimID[256];
strcpy(strAnimID,_strFileName);
GetAnimID(strAnimID);
// write the animation header
{
// LWTimeInfo *_tmi = (LWTimeInfo *)_global( LWTIMEINFO_GLOBAL, GFUSE_TRANSIENT );
fprintf(_f, "SE_ANIM %s;\n\n",SE_ANIM_VER);
fprintf(_f, "SEC_PER_FRAME %g;\n", GetCurrentTime() / _ifi->previewEnd * _ifi->previewStep);
fprintf(_f, "FRAMES %d;\n", _ctFrames);
fprintf(_f, "ANIM_ID \"%s\";\n\n", strAnimID);
}
// calculate bone and morph envelopes
{
for(BoneInfo *ptmpbi=_pbiFirst; ptmpbi!=NULL; ptmpbi = ptmpbi->bi_pbiNext)
{
// LWBONEF_ACTIVE =
unsigned int uiFlags = ptmpbi->bi_uiFlags;
// if this is bone and it is active
if(ptmpbi->bi_lwItemType == LWI_BONE && ptmpbi->bi_uiFlags&LWBONEF_ACTIVE) {
ctBoneEnvelopes++;
}
}
for(MorphInfo *ptmpmi=_pmiFirst;ptmpmi!=NULL; ptmpmi = ptmpmi->mi_pmiNext)
ctMorphEnvelopes++;
}
Matrix12 bi_mRot;
// for each bone in list
fprintf(_f, "BONEENVELOPES %d\n{\n", ctBoneEnvelopes);
// last item
{
BoneInfo *pbiLast = NULL;
for (BoneInfo *pbi=_pbiFirst; pbi!=NULL; pbi = pbi->bi_pbiNext)
{
bool bRootBone = false;
if(pbi->bi_lwItemType == LWI_BONE && pbi->bi_uiFlags&LWBONEF_ACTIVE) {
// write its info
fprintf(_f, " NAME \"%s\"\n", pbi->bi_strName);
// write first frame - default pose
fprintf(_f, " DEFAULT_POSE {");
BoneFrame &bfDef = pbi->bi_abfDefault;
bfDef.fi_vPos[2] *= -1;
MakeRotationAndPosMatrix(bi_mRot,bfDef.fi_vPos,bfDef.fi_vRot);
PrintMatrix(_f,bi_mRot,0);
fprintf(_f, "}\n");
fprintf(_f, " {\n");
LWItemType itLast;
if(!pbiLast) itLast = LWI_OBJECT;
else itLast = pbiLast->bi_lwItemType;
// is this root bone
if(pbi->bi_lwItemType == LWI_BONE && itLast != LWI_BONE)
{
// mark as root bone
bRootBone = true;
}
// if export anims backward
if(bExportAnimBackward) {
// for each frame
for (int iFrame=_ctFrames-1; iFrame>=0; iFrame--) {
// write anim
WriteAnimFrame(pbi,iFrame);
}
// else export normal order
} else {
// for each frame
for (int iFrame=0; iFrame<_ctFrames; iFrame++) {
// write anim
WriteAnimFrame(pbi,iFrame);
}
}
fprintf(_f," }\n\n");
pbiLast = pbi;
}
}
}
fprintf(_f,"}\n");
fprintf(_f, "\nMORPHENVELOPES %d\n{\n", ctMorphEnvelopes);
// for each morph in list
{for (MorphInfo *pmi=_pmiFirst; pmi!=NULL; pmi = pmi->mi_pmiNext)
{
// write its info
fprintf(_f, " NAME \"%s\"\n", pmi->mi_strName);
fprintf(_f, " {\n");
// if export anims backward
if(bExportAnimBackward) {
for (int iFrame=_ctFrames-1; iFrame>=0; iFrame--)
{
fprintf(_f, " %g;\n", pmi->mi_afFrames[iFrame]);
}
// if anims order is normal
} else {
for (int iFrame=0; iFrame<_ctFrames; iFrame++)
{
fprintf(_f, " %g;\n", pmi->mi_afFrames[iFrame]);
}
}
fprintf(_f," }\n\n");
}
}
fprintf(_f,"}\n");
// free all morph infos
{ MorphInfo *pmi=_pmiFirst;
MorphInfo *pmiNext=NULL;
for(;;) {
if(pmi==NULL) {
break;
}
pmiNext = pmi->mi_pmiNext;
free(pmi->mi_strName);
free(pmi->mi_afFrames);
free(pmi);
pmi = pmiNext;
}}
fprintf(_f, "SE_ANIM_END;\n");
_msg->info("Saved:", fnmOut);
end:
// remove internal motion handler from each bone
DeactivateExportHandler(_objid);
// close and free everything
if (_f!=NULL) {
fclose(_f);
_f=NULL;
}
_pbiFirst = NULL;
// get next mesh obj
_objid = _iti->next(_objid);
}
return AFUNC_OK;
}
int ExportSkeleton(void)
{
if(!_evaluate)
{
// lightwave error
_msg->error("Lightwave process error !\nClose plugins window and try again.\n", NULL);
return AFUNC_BADAPP;
}
// !!!! make it work with a selected object, not the first one in scene
ReloadGlobalObjects();
bool bExportOnlySelected = false;
int ctSkeletonBones=0;
// count selected objects
int ctSelectedMeshed = 0;
int ctMeshes=0;
_objid = _iti->first(LWI_OBJECT,0);
while(_objid != LWITEM_NULL)
{
if(_iti->type(_objid) == LWI_OBJECT)
{
_pmesh = _obi->meshInfo(_objid, 0);
if(_pmesh != NULL)
{
if(_ifi->itemFlags(_objid) & LWITEMF_SELECTED)
{
ctSelectedMeshed++;
}
}
ctMeshes++;
}
_objid = _iti->next(_objid);
}
// get the first object in the scene
_objid = _iti->first(LWI_OBJECT,0);
if (!_objid)
{
_msg->error("No object in the scene.", NULL);
return AFUNC_OK;
}
// if some objects are selected export only them
if(ctSelectedMeshed > 0) bExportOnlySelected = true;
// dont ask to export all meshes if only one mesh in the scene
if(ctSelectedMeshed == 0)
{
if(ctMeshes > 1)
{
if(_msg->yesNo("No objects selected","Export skeletons for all objects?",NULL) == 0)
return AFUNC_OK;
bExportOnlySelected = false;
}
}
// loop each mesh in scene
while(_objid != LWITEM_NULL)
{
// get its mesh
_pmesh = _obi->meshInfo(_objid, 0);
if(_pmesh == NULL)
{
_objid = _iti->next(_objid);
continue;
}
if(bExportOnlySelected)
{
if(!(_ifi->itemFlags(_objid) & LWITEMF_SELECTED))
{
_objid = _iti->next(_objid);
continue;
}
}
// get mesh name
_strFileName = strdup(_obi->filename(_objid));
// open the file to print into
char fnmOut[256];
strcpy(fnmOut, _strFileName);
char *pchDot = strrchr(fnmOut, '.');
if (pchDot!=NULL) {
strcpy(pchDot, ".as");
}
_f = fopen(fnmOut, "w");
if (_f==NULL) {
_msg->error("Can't open file", fnmOut);
goto end;
}
// set bones counter to 0
_ctBones = 0;
// add internal motion handler to each bone
if (!ActivateExportHandler(_objid)) {
_msg->error("Cannot apply internal bone motion handler!", NULL);
}
assert(_CrtCheckMemory());
bRecordDefaultFrame = true;
if (!ExecCmd("GoToFrame 0"))
{
goto end;
}
bRecordDefaultFrame = false;
{
for(BoneInfo *ptmpbi=_pbiFirst; ptmpbi!=NULL; ptmpbi = ptmpbi->bi_pbiNext)
{
if(ptmpbi->bi_lwItemType == LWI_BONE) {
ctSkeletonBones++;
}
}
}
fprintf(_f, "SE_SKELETON %s;\n\n",SE_ANIM_VER);
fprintf(_f, "BONES %d\n{\n",ctSkeletonBones);
Matrix12 bi_mRot;
{for (BoneInfo *pbi=_pbiFirst; pbi!=NULL; pbi = pbi->bi_pbiNext)
{
if(pbi->bi_lwItemType == LWI_BONE)
{
assert(_CrtCheckMemory());
// write its info
fprintf(_f, " NAME \"%s\";\n", pbi->bi_strName);
fprintf(_f, " PARENT \"%s\";\n", pbi->bi_strParentName);
fprintf(_f, " LENGTH %g;\n", pbi->fRestLength);
fprintf(_f, " {\n");
// write first frame - default pose
BoneFrame &bfDef = pbi->bi_abfDefault;
bfDef.fi_vPos[2] *= -1;
MakeRotationAndPosMatrix(bi_mRot,bfDef.fi_vPos,bfDef.fi_vRot);
PrintMatrix(_f,bi_mRot,4);
fprintf(_f,"\n }\n");
}
}
}
assert(_CrtCheckMemory());
fprintf(_f, "}\n\nSE_SKELETON_END;\n");
_msg->info("Saved:", fnmOut);
end:
DeactivateExportHandler(_objid);
if (_f!=NULL)
{
fclose(_f);
_f=NULL;
}
_pbiFirst = NULL;
// get next mesh obj
_objid = _iti->next(_objid);
}
return AFUNC_OK;
}
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