/*--------------------------------------------------------------------------
| GetCameraMotion3ds
|
| pCamChunk:CAMERA_NODE_TAG chunk to extract data from
| pTargetChunk: TARGET_NODE_TAG chunk to extract target data from
| kfcam: Structure to fill in with chunk data
|
| chunk----->kfcamera3ds
|
| Gets camera keyframe information from chunk
|
+--------------------------------------------------------------------------*/
void GetCameraMotion3ds(chunk3ds *pCamChunk,
chunk3ds *pTargetChunk,
kfcamera3ds **kfcam)
{
kfcamera3ds
*pKfCam;
chunk3ds
*pNodeHdrChunk, *pPosChunk, *pFovChunk,
*pRollChunk, *pTargetPosChunk = NULL, *pTargetHdrChunk = NULL;
ulong3ds
i, nPosKeys = 0, nFovKeys = 0, nRollKeys = 0, nTargetKeys = 0;
NodeHdr
*pNodeHdr, *pTargetHdr = NULL;
PosTrackTag
*pPosData = NULL, *pTargetData = NULL;
FovTrackTag
*pFovData = NULL;
RollTrackTag
*pRollData = NULL;
if(pCamChunk == NULL)
SET_ERROR_RETURN(ERR_INVALID_ARG);
/*-------------------------------
| Get information from chunks
+-------------------------------*/
/*--- Search children of camera chunk */
FindChunk3ds(pCamChunk, NODE_HDR, &pNodeHdrChunk);
FindChunk3ds(pCamChunk, POS_TRACK_TAG, &pPosChunk);
FindChunk3ds(pCamChunk, FOV_TRACK_TAG, &pFovChunk);
FindChunk3ds(pCamChunk, ROLL_TRACK_TAG, &pRollChunk);
ReadChunkData3ds(pNodeHdrChunk);
pNodeHdr = pNodeHdrChunk->data;
if(pPosChunk){
ReadChunkData3ds(pPosChunk);
pPosData = pPosChunk->data;
nPosKeys = pPosData->trackhdr.keycount;
}
if(pFovChunk){
ReadChunkData3ds(pFovChunk);
pFovData = pFovChunk->data;
nFovKeys = pFovData->trackhdr.keycount;
}
if(pRollChunk){
ReadChunkData3ds(pRollChunk);
pRollData = pRollChunk->data;
nRollKeys = pRollData->trackhdr.keycount;
}
if (pTargetChunk){
FindChunk3ds(pTargetChunk, NODE_HDR, &pTargetHdrChunk);
if (pTargetHdrChunk){
ReadChunkData3ds(pTargetHdrChunk);
pTargetHdr = pTargetHdrChunk->data;
}
FindChunk3ds(pTargetChunk, POS_TRACK_TAG, &pTargetPosChunk);
if (pTargetPosChunk){
ReadChunkData3ds(pTargetPosChunk);
pTargetData = pTargetPosChunk->data;
nTargetKeys = pTargetData->trackhdr.keycount;
}
}
/*--------------------------------------------
| Set-up and fill-in the kfcamera structure
+--------------------------------------------*/
InitCameraMotion3ds(kfcam,
nPosKeys,
nFovKeys,
nRollKeys,
nTargetKeys);
pKfCam = *kfcam;
/*--- Header Information */
strcpy(pKfCam->name, pNodeHdr->objname);
pKfCam->flags1 = pNodeHdr->flags1;
pKfCam->flags2 = pNodeHdr->flags2;
/*--- Parents */
kfGetParentName(pNodeHdrChunk, pKfCam->parent);
kfGetParentName(pTargetHdrChunk, pKfCam->tparent);
/*--- Target Information */
if (nTargetKeys){
pKfCam->ntflag = pTargetData->trackhdr.flags;
for(i=0; i<nTargetKeys; i++){
memcpy(&((pKfCam->tkeys)[i]),
&((pTargetData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfCam->tpos)[i]),
&((pTargetData->positionlist)[i]),
sizeof(point3ds));
}
}
if (pTargetHdr) {
pKfCam->tflags1 = pTargetHdr->flags1;
pKfCam->tflags2 = pTargetHdr->flags2;
}
/*--- Position Information */
if (nPosKeys){
pKfCam->npflag = pPosData->trackhdr.flags;
for (i=0; i<nPosKeys; i++){
memcpy(&((pKfCam->pkeys)[i]),
&((pPosData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfCam->pos)[i]),
&((pPosData->positionlist)[i]),
sizeof(point3ds));
}
}
/*--- Field of view Information */
if (nFovKeys){
pKfCam->nfflag = pFovData->trackhdr.flags;
for (i=0; i<nFovKeys; i++){
memcpy(&((pKfCam->fkeys)[i]),
&((pFovData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfCam->fov)[i]),
&((pFovData->fovanglelist)[i]),
sizeof(float3ds));
}
}
/*--- Roll Track Information */
if (nRollKeys){
pKfCam->nrflag = pRollData->trackhdr.flags;
for (i=0; i<nRollKeys; i++){
memcpy(&((pKfCam->rkeys)[i]),
&((pRollData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfCam->roll)[i]),
&((pRollData->rollanglelist)[i]),
sizeof(float3ds));
}
}
/*--- Free Chunk Data */
FreeFileChunkData3ds(pPosChunk);
FreeFileChunkData3ds(pFovChunk);
FreeFileChunkData3ds(pRollChunk);
FreeFileChunkData3ds(pNodeHdrChunk);
if (pTargetPosChunk)
FreeFileChunkData3ds(pTargetPosChunk);
if (pTargetHdrChunk)
FreeFileChunkData3ds(pTargetHdrChunk);
}
/*--------------------------------------------------------------------------
| GetOmnilightMotion3ds
|
| pOmniChunk:SPOTLIGHT_NODE_TAG chunk to extract data from
| pTargetChunk: L_TARGET_NODE_TAG chunk to extract target data from
| kfspot: Structure to fill in with chunk data
|
| chunk----->kfOmni3ds
|
| Gets Omnilight keyframe information from chunk
|
| L_TARGET
| NODE_ID
| NODE_HDR
| APP_DATA
| POS_TRACK
| COL_TRACK
| HOT_TRACK
| FALL_TRACK
| ROLL_TRACK
|
+--------------------------------------------------------------------------*/
void GetOmnilightMotion3ds(chunk3ds *pOmniChunk,
kfomni3ds **kfomni)
{
kfomni3ds *pKfOmni;
chunk3ds *pNodeHdrChunk, *pPosChunk, *pColChunk;
ulong3ds i, nPosKeys = 0, nColKeys = 0;
NodeHdr *pNodeHdr;
PosTrackTag *pPosData = NULL;
ColTrackTag *pColData = NULL;
if (pOmniChunk == NULL)
SET_ERROR_RETURN(ERR_INVALID_ARG);
/*-------------------------------
| Get information from chunks
+-------------------------------*/
/*--- Search children of OmniLight chunk */
FindChunk3ds(pOmniChunk, NODE_HDR, &pNodeHdrChunk);
FindChunk3ds(pOmniChunk, POS_TRACK_TAG, &pPosChunk);
FindChunk3ds(pOmniChunk, COL_TRACK_TAG, &pColChunk);
ReadChunkData3ds(pNodeHdrChunk);
pNodeHdr = pNodeHdrChunk->data;
if(pPosChunk){
ReadChunkData3ds(pPosChunk);
pPosData = pPosChunk->data;
nPosKeys = pPosData->trackhdr.keycount;
}
if(pColChunk){
ReadChunkData3ds(pColChunk);
pColData = pColChunk->data;
nColKeys = pColData->trackhdr.keycount;
}
/*--------------------------------------------
| Set-up and fill-in the kfomni3ds structure
+--------------------------------------------*/
InitOmnilightMotion3ds(kfomni, nPosKeys, nColKeys);
pKfOmni = *kfomni;
/*--- Header Information */
strcpy(pKfOmni->name, pNodeHdr->objname);
pKfOmni->flags1 = pNodeHdr->flags1;
pKfOmni->flags2 = pNodeHdr->flags2;
kfGetParentName(pNodeHdrChunk, pKfOmni->parent);
/*--- Position Information */
if (nPosKeys){
pKfOmni->npflag = pPosData->trackhdr.flags;
for (i=0; i<nPosKeys; i++){
memcpy(&((pKfOmni->pkeys)[i]), &((pPosData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfOmni->pos)[i]), &((pPosData->positionlist)[i]),
sizeof(point3ds));
}
}
/*--- Color Information */
if (nColKeys){
pKfOmni->ncflag = pColData->trackhdr.flags;
for (i=0; i<nColKeys; i++){
memcpy(&((pKfOmni->ckeys)[i]), &((pColData->keyhdrlist)[i]),
sizeof(keyheader3ds));
memcpy(&((pKfOmni->color)[i]), &((pColData->colorlist)[i]),
sizeof(fcolor3ds));
}
}
/*--- Free Chunk Data */
if (pNodeHdrChunk)
FreeFileChunkData3ds(pNodeHdrChunk);
if (pPosChunk)
FreeFileChunkData3ds(pPosChunk);
if (pColChunk)
FreeFileChunkData3ds(pColChunk);
}
