3DS文件结构(6)

current_pointer=GetChunkPointer (); temp_pointer =ReadChunkPointer (); numb_faces =ReadInt (); #ifdef __DEBUG__

printf (\ #endif

for (int i=0;i

faces [0]=ReadInt (); faces [1]=ReadInt (); faces [2]=ReadInt ();

temp_diff=ReadInt () & 0x000F; faces [3]=(temp_diff & 0x0004) 2; faces [4]=(temp_diff & 0x0002) 1; faces [5]=(temp_diff & 0x0001);

#ifdef __DEBUG__

printf (\ i,

faces [0], faces [1], faces [2], faces [3], faces [4], faces [5]); #endif }

if (ReadInt ()==TRI_SMOOTH) ReadSmoothingChunk (); #ifdef __DEBUG__ else

printf (\ #endif

ChangeChunkPointer (current_pointer+temp_pointer); // move to the new chunk position return (temp_pointer); }

/*----------------------------------------------------------------------------*/

unsigned long ReadTranslationChunk (void)

{

unsigned long current_pointer; unsigned long temp_pointer;

current_pointer=GetChunkPointer (); temp_pointer =ReadChunkPointer ();

for (int j=0;j<4;j++) {

for (int i=0;i<3;i++)

fread (&(trans_mat [j][i]),sizeof (float),1,bin3ds); }

trans_mat [0][3]=0; trans_mat [1][3]=0; trans_mat [2][3]=0; trans_mat [3][3]=1;

#ifdef __DEBUG__

printf (\ for (int i=0;i<4;i++)

printf (\ trans_mat [i][0], trans_mat [i][1], trans_mat [i][2], trans_mat [i][3]); #endif

ChangeChunkPointer (current_pointer+temp_pointer); // move to the new chunk position return (temp_pointer); }

/*----------------------------------------------------------------------------*/

unsigned long ReadObjChunk (void) {

unsigned char end_found=FALSE,boolean=TRUE; unsigned int temp_int;

unsigned long current_pointer; unsigned long temp_pointer;

unsigned long tellertje=6L; // 2 id + 4 pointer

current_pointer=GetChunkPointer (); temp_pointer =ReadChunkPointer ();

while (end_found==FALSE) {

temp_int=ReadInt ();

switch (temp_int) {

case TRI_VERTEXL :

#ifdef __DEBUG__

printf (\Found Object vertices chunk id of %0X\\n\ temp_int); #endif

tellertje+=ReadVerticesChunk (); break; case TRI_FACEL1 :

#ifdef __DEBUG__

printf (\Found Object faces (1) chunk id of %0X\\n\ temp_int); #endif

tellertje+=ReadFacesChunk (); break; case TRI_FACEL2 :

#ifdef __DEBUG__

printf (\Found Object faces (2) chunk id of %0X\\n\ temp_int); #endif

tellertje+=ReadUnknownChunk (temp_int); break; case TRI_LOCAL :

#ifdef __DEBUG__

printf (\of %0X\\n\

temp_int); #endif

tellertje+=ReadTranslationChunk (); break; case TRI_VISIBLE :

#ifdef __DEBUG__

printf (\Found Object vis/invis chunk id of %0X\\n\ temp_int); #endif

tellertje+=ReadBooleanChunk (&boolean);

#ifdef __DEBUG__ if (boolean==TRUE)

printf (\ else

printf (\ #endif break; default: break; }

tellertje+=2;

if (tellertje=temp_pointer) end_found=TRUE; }

ChangeChunkPointer (current_pointer+temp_pointer); // move to the new chunk position return (temp_pointer); }

/*----------------------------------------------------------------------------*/

unsigned long ReadObjectChunk (void) {

unsigned char end_found=FALSE; unsigned int temp_int;

unsigned long current_pointer; unsigned long temp_pointer;

unsigned long tellertje=6L; // 2 id + 4 pointer

current_pointer=GetChunkPointer (); temp_pointer =ReadChunkPointer ();

if (ReadName ()==-1) {

#ifdef __DEBUG__

printf (\ #endif }

while (end_found==FALSE) {

temp_int=ReadInt ();

switch (temp_int) {

case OBJ_UNKNWN01:tellertje+=ReadUnknownChunk

(OBJ_UNKNWN01);break;

case OBJ_UNKNWN02:tellertje+=ReadUnknownChunk (OBJ_UNKNWN02);break; case OBJ_TRIMESH :

#ifdef __DEBUG__

printf (\ OBJ_TRIMESH); #endif

tellertje+=ReadObjChunk (); break; case OBJ_LIGHT :

#ifdef __DEBUG__

printf (\ OBJ_LIGHT); #endif

tellertje+=ReadLightChunk (); break; case OBJ_CAMERA :

#ifdef __DEBUG__

printf (\ OBJ_CAMERA); #endif

tellertje+=ReadCameraChunk (); break; default: break; }

tellertje+=2;

if (tellertje=temp_pointer) end_found=TRUE; }

ChangeChunkPointer (current_pointer+temp_pointer); // move to the new chunk position return (temp_pointer); }

/*----------------------------------------------------------------------------*/

unsigned long ReadBackgrChunk (void) {

unsigned char end_found=FALSE; unsigned int temp_int;

unsigned long current_pointer; unsigned long temp_pointer;