--- /dev/null
+/*
+======================================================================
+lwo2.h
+
+Definitions and typedefs for LWO2 files.
+
+Ernie Wright 17 Sep 00
+====================================================================== */
+
+#ifndef LWO2_H
+#define LWO2_H
+
+/* chunk and subchunk IDs */
+
+#define LWID_(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
+
+#define ID_FORM LWID_('F','O','R','M')
+#define ID_LWO2 LWID_('L','W','O','2')
+#define ID_LWOB LWID_('L','W','O','B')
+
+/* top-level chunks */
+#define ID_LAYR LWID_('L','A','Y','R')
+#define ID_TAGS LWID_('T','A','G','S')
+#define ID_PNTS LWID_('P','N','T','S')
+#define ID_BBOX LWID_('B','B','O','X')
+#define ID_VMAP LWID_('V','M','A','P')
+#define ID_VMAD LWID_('V','M','A','D')
+#define ID_POLS LWID_('P','O','L','S')
+#define ID_PTAG LWID_('P','T','A','G')
+#define ID_ENVL LWID_('E','N','V','L')
+#define ID_CLIP LWID_('C','L','I','P')
+#define ID_SURF LWID_('S','U','R','F')
+#define ID_DESC LWID_('D','E','S','C')
+#define ID_TEXT LWID_('T','E','X','T')
+#define ID_ICON LWID_('I','C','O','N')
+
+/* polygon types */
+#define ID_FACE LWID_('F','A','C','E')
+#define ID_CURV LWID_('C','U','R','V')
+#define ID_PTCH LWID_('P','T','C','H')
+#define ID_MBAL LWID_('M','B','A','L')
+#define ID_BONE LWID_('B','O','N','E')
+
+/* polygon tags */
+#define ID_SURF LWID_('S','U','R','F')
+#define ID_PART LWID_('P','A','R','T')
+#define ID_SMGP LWID_('S','M','G','P')
+
+/* envelopes */
+#define ID_PRE LWID_('P','R','E',' ')
+#define ID_POST LWID_('P','O','S','T')
+#define ID_KEY LWID_('K','E','Y',' ')
+#define ID_SPAN LWID_('S','P','A','N')
+#define ID_TCB LWID_('T','C','B',' ')
+#define ID_HERM LWID_('H','E','R','M')
+#define ID_BEZI LWID_('B','E','Z','I')
+#define ID_BEZ2 LWID_('B','E','Z','2')
+#define ID_LINE LWID_('L','I','N','E')
+#define ID_STEP LWID_('S','T','E','P')
+
+/* clips */
+#define ID_STIL LWID_('S','T','I','L')
+#define ID_ISEQ LWID_('I','S','E','Q')
+#define ID_ANIM LWID_('A','N','I','M')
+#define ID_XREF LWID_('X','R','E','F')
+#define ID_STCC LWID_('S','T','C','C')
+#define ID_TIME LWID_('T','I','M','E')
+#define ID_CONT LWID_('C','O','N','T')
+#define ID_BRIT LWID_('B','R','I','T')
+#define ID_SATR LWID_('S','A','T','R')
+#define ID_HUE LWID_('H','U','E',' ')
+#define ID_GAMM LWID_('G','A','M','M')
+#define ID_NEGA LWID_('N','E','G','A')
+#define ID_IFLT LWID_('I','F','L','T')
+#define ID_PFLT LWID_('P','F','L','T')
+
+/* surfaces */
+#define ID_COLR LWID_('C','O','L','R')
+#define ID_LUMI LWID_('L','U','M','I')
+#define ID_DIFF LWID_('D','I','F','F')
+#define ID_SPEC LWID_('S','P','E','C')
+#define ID_GLOS LWID_('G','L','O','S')
+#define ID_REFL LWID_('R','E','F','L')
+#define ID_RFOP LWID_('R','F','O','P')
+#define ID_RIMG LWID_('R','I','M','G')
+#define ID_RSAN LWID_('R','S','A','N')
+#define ID_TRAN LWID_('T','R','A','N')
+#define ID_TROP LWID_('T','R','O','P')
+#define ID_TIMG LWID_('T','I','M','G')
+#define ID_RIND LWID_('R','I','N','D')
+#define ID_TRNL LWID_('T','R','N','L')
+#define ID_BUMP LWID_('B','U','M','P')
+#define ID_SMAN LWID_('S','M','A','N')
+#define ID_SIDE LWID_('S','I','D','E')
+#define ID_CLRH LWID_('C','L','R','H')
+#define ID_CLRF LWID_('C','L','R','F')
+#define ID_ADTR LWID_('A','D','T','R')
+#define ID_SHRP LWID_('S','H','R','P')
+#define ID_LINE LWID_('L','I','N','E')
+#define ID_LSIZ LWID_('L','S','I','Z')
+#define ID_ALPH LWID_('A','L','P','H')
+#define ID_AVAL LWID_('A','V','A','L')
+#define ID_GVAL LWID_('G','V','A','L')
+#define ID_BLOK LWID_('B','L','O','K')
+
+/* texture layer */
+#define ID_TYPE LWID_('T','Y','P','E')
+#define ID_CHAN LWID_('C','H','A','N')
+#define ID_NAME LWID_('N','A','M','E')
+#define ID_ENAB LWID_('E','N','A','B')
+#define ID_OPAC LWID_('O','P','A','C')
+#define ID_FLAG LWID_('F','L','A','G')
+#define ID_PROJ LWID_('P','R','O','J')
+#define ID_STCK LWID_('S','T','C','K')
+#define ID_TAMP LWID_('T','A','M','P')
+
+/* texture coordinates */
+#define ID_TMAP LWID_('T','M','A','P')
+#define ID_AXIS LWID_('A','X','I','S')
+#define ID_CNTR LWID_('C','N','T','R')
+#define ID_SIZE LWID_('S','I','Z','E')
+#define ID_ROTA LWID_('R','O','T','A')
+#define ID_OREF LWID_('O','R','E','F')
+#define ID_FALL LWID_('F','A','L','L')
+#define ID_CSYS LWID_('C','S','Y','S')
+
+/* image map */
+#define ID_IMAP LWID_('I','M','A','P')
+#define ID_IMAG LWID_('I','M','A','G')
+#define ID_WRAP LWID_('W','R','A','P')
+#define ID_WRPW LWID_('W','R','P','W')
+#define ID_WRPH LWID_('W','R','P','H')
+#define ID_VMAP LWID_('V','M','A','P')
+#define ID_AAST LWID_('A','A','S','T')
+#define ID_PIXB LWID_('P','I','X','B')
+
+/* procedural */
+#define ID_PROC LWID_('P','R','O','C')
+#define ID_COLR LWID_('C','O','L','R')
+#define ID_VALU LWID_('V','A','L','U')
+#define ID_FUNC LWID_('F','U','N','C')
+#define ID_FTPS LWID_('F','T','P','S')
+#define ID_ITPS LWID_('I','T','P','S')
+#define ID_ETPS LWID_('E','T','P','S')
+
+/* gradient */
+#define ID_GRAD LWID_('G','R','A','D')
+#define ID_GRST LWID_('G','R','S','T')
+#define ID_GREN LWID_('G','R','E','N')
+#define ID_PNAM LWID_('P','N','A','M')
+#define ID_INAM LWID_('I','N','A','M')
+#define ID_GRPT LWID_('G','R','P','T')
+#define ID_FKEY LWID_('F','K','E','Y')
+#define ID_IKEY LWID_('I','K','E','Y')
+
+/* shader */
+#define ID_SHDR LWID_('S','H','D','R')
+#define ID_DATA LWID_('D','A','T','A')
+
+
+/* generic linked list */
+
+typedef struct st_lwNode {
+ struct st_lwNode *next, *prev;
+ void *data;
+} lwNode;
+
+
+/* plug-in reference */
+
+typedef struct st_lwPlugin {
+ struct st_lwPlugin *next, *prev;
+ char *ord;
+ char *name;
+ int flags;
+ void *data;
+} lwPlugin;
+
+
+/* envelopes */
+
+typedef struct st_lwKey {
+ struct st_lwKey *next, *prev;
+ float value;
+ float time;
+ unsigned int shape; /* ID_TCB, ID_BEZ2, etc. */
+ float tension;
+ float continuity;
+ float bias;
+ float param[ 4 ];
+} lwKey;
+
+typedef struct st_lwEnvelope {
+ struct st_lwEnvelope *next, *prev;
+ int index;
+ int type;
+ char *name;
+ lwKey *key; /* linked list of keys */
+ int nkeys;
+ int behavior[ 2 ]; /* pre and post (extrapolation) */
+ lwPlugin *cfilter; /* linked list of channel filters */
+ int ncfilters;
+} lwEnvelope;
+
+#define BEH_RESET 0
+#define BEH_CONSTANT 1
+#define BEH_REPEAT 2
+#define BEH_OSCILLATE 3
+#define BEH_OFFSET 4
+#define BEH_LINEAR 5
+
+
+/* values that can be enveloped */
+
+typedef struct st_lwEParam {
+ float val;
+ int eindex;
+} lwEParam;
+
+typedef struct st_lwVParam {
+ float val[ 3 ];
+ int eindex;
+} lwVParam;
+
+
+/* clips */
+
+typedef struct st_lwClipStill {
+ char *name;
+} lwClipStill;
+
+typedef struct st_lwClipSeq {
+ char *prefix; /* filename before sequence digits */
+ char *suffix; /* after digits, e.g. extensions */
+ int digits;
+ int flags;
+ int offset;
+ int start;
+ int end;
+} lwClipSeq;
+
+typedef struct st_lwClipAnim {
+ char *name;
+ char *server; /* anim loader plug-in */
+ void *data;
+} lwClipAnim;
+
+typedef struct st_lwClipXRef {
+ char *string;
+ int index;
+ struct st_lwClip *clip;
+} lwClipXRef;
+
+typedef struct st_lwClipCycle {
+ char *name;
+ int lo;
+ int hi;
+} lwClipCycle;
+
+typedef struct st_lwClip {
+ struct st_lwClip *next, *prev;
+ int index;
+ unsigned int type; /* ID_STIL, ID_ISEQ, etc. */
+ union {
+ lwClipStill still;
+ lwClipSeq seq;
+ lwClipAnim anim;
+ lwClipXRef xref;
+ lwClipCycle cycle;
+ } source;
+ float start_time;
+ float duration;
+ float frame_rate;
+ lwEParam contrast;
+ lwEParam brightness;
+ lwEParam saturation;
+ lwEParam hue;
+ lwEParam gamma;
+ int negative;
+ lwPlugin *ifilter; /* linked list of image filters */
+ int nifilters;
+ lwPlugin *pfilter; /* linked list of pixel filters */
+ int npfilters;
+} lwClip;
+
+
+/* textures */
+
+typedef struct st_lwTMap {
+ lwVParam size;
+ lwVParam center;
+ lwVParam rotate;
+ lwVParam falloff;
+ int fall_type;
+ char *ref_object;
+ int coord_sys;
+} lwTMap;
+
+typedef struct st_lwImageMap {
+ int cindex;
+ int projection;
+ char *vmap_name;
+ int axis;
+ int wrapw_type;
+ int wraph_type;
+ lwEParam wrapw;
+ lwEParam wraph;
+ float aa_strength;
+ int aas_flags;
+ int pblend;
+ lwEParam stck;
+ lwEParam amplitude;
+} lwImageMap;
+
+#define PROJ_PLANAR 0
+#define PROJ_CYLINDRICAL 1
+#define PROJ_SPHERICAL 2
+#define PROJ_CUBIC 3
+#define PROJ_FRONT 4
+
+#define WRAP_NONE 0
+#define WRAP_EDGE 1
+#define WRAP_REPEAT 2
+#define WRAP_MIRROR 3
+
+typedef struct st_lwProcedural {
+ int axis;
+ float value[ 3 ];
+ char *name;
+ void *data;
+} lwProcedural;
+
+typedef struct st_lwGradKey {
+ struct st_lwGradKey *next, *prev;
+ float value;
+ float rgba[ 4 ];
+} lwGradKey;
+
+typedef struct st_lwGradient {
+ char *paramname;
+ char *itemname;
+ float start;
+ float end;
+ int repeat;
+ lwGradKey *key; /* array of gradient keys */
+ short *ikey; /* array of interpolation codes */
+} lwGradient;
+
+typedef struct st_lwTexture {
+ struct st_lwTexture *next, *prev;
+ char *ord;
+ unsigned int type;
+ unsigned int chan;
+ lwEParam opacity;
+ short opac_type;
+ short enabled;
+ short negative;
+ short axis;
+ union {
+ lwImageMap imap;
+ lwProcedural proc;
+ lwGradient grad;
+ } param;
+ lwTMap tmap;
+} lwTexture;
+
+
+/* values that can be textured */
+
+typedef struct st_lwTParam {
+ float val;
+ int eindex;
+ lwTexture *tex; /* linked list of texture layers */
+} lwTParam;
+
+typedef struct st_lwCParam {
+ float rgb[ 3 ];
+ int eindex;
+ lwTexture *tex; /* linked list of texture layers */
+} lwCParam;
+
+
+/* surfaces */
+
+typedef struct st_lwGlow {
+ short enabled;
+ short type;
+ lwEParam intensity;
+ lwEParam size;
+} Glow;
+
+typedef struct st_lwRMap {
+ lwTParam val;
+ int options;
+ int cindex;
+ float seam_angle;
+} lwRMap;
+
+typedef struct st_lwLine {
+ short enabled;
+ unsigned short flags;
+ lwEParam size;
+} lwLine;
+
+typedef struct st_lwSurface {
+ struct st_lwSurface *next, *prev;
+ char *name;
+ char *srcname;
+ lwCParam color;
+ lwTParam luminosity;
+ lwTParam diffuse;
+ lwTParam specularity;
+ lwTParam glossiness;
+ lwRMap reflection;
+ lwRMap transparency;
+ lwTParam eta;
+ lwTParam translucency;
+ lwTParam bump;
+ float smooth;
+ int sideflags;
+ float alpha;
+ int alpha_mode;
+ lwEParam color_hilite;
+ lwEParam color_filter;
+ lwEParam add_trans;
+ lwEParam dif_sharp;
+ lwEParam glow;
+ lwLine line;
+ lwPlugin *shader; /* linked list of shaders */
+ int nshaders;
+} lwSurface;
+
+
+/* vertex maps */
+
+typedef struct st_lwVMap {
+ struct st_lwVMap *next, *prev;
+ char *name;
+ unsigned int type;
+ int dim;
+ int nverts;
+ int perpoly;
+ int *vindex; /* array of point indexes */
+ int *pindex; /* array of polygon indexes */
+ float **val;
+} lwVMap;
+
+typedef struct st_lwVMapPt {
+ lwVMap *vmap;
+ int index; /* vindex or pindex element */
+} lwVMapPt;
+
+
+/* points and polygons */
+
+typedef struct st_lwPoint {
+ float pos[ 3 ];
+ int npols; /* number of polygons sharing the point */
+ int *pol; /* array of polygon indexes */
+ int nvmaps;
+ lwVMapPt *vm; /* array of vmap references */
+} lwPoint;
+
+typedef struct st_lwPolVert {
+ int index; /* index into the point array */
+ float norm[ 3 ];
+ int nvmaps;
+ lwVMapPt *vm; /* array of vmap references */
+} lwPolVert;
+
+typedef struct st_lwPolygon {
+ lwSurface *surf;
+ int part; /* part index */
+ int smoothgrp; /* smoothing group */
+ int flags;
+ unsigned int type;
+ float norm[ 3 ];
+ int nverts;
+ lwPolVert *v; /* array of vertex records */
+} lwPolygon;
+
+typedef struct st_lwPointList {
+ int count;
+ int offset; /* only used during reading */
+ lwPoint *pt; /* array of points */
+} lwPointList;
+
+typedef struct st_lwPolygonList {
+ int count;
+ int offset; /* only used during reading */
+ int vcount; /* total number of vertices */
+ int voffset; /* only used during reading */
+ lwPolygon *pol; /* array of polygons */
+} lwPolygonList;
+
+
+/* geometry layers */
+
+typedef struct st_lwLayer {
+ struct st_lwLayer *next, *prev;
+ char *name;
+ int index;
+ int parent;
+ int flags;
+ float pivot[ 3 ];
+ float bbox[ 6 ];
+ lwPointList point;
+ lwPolygonList polygon;
+ int nvmaps;
+ lwVMap *vmap; /* linked list of vmaps */
+} lwLayer;
+
+
+/* tag strings */
+
+typedef struct st_lwTagList {
+ int count;
+ int offset; /* only used during reading */
+ char **tag; /* array of strings */
+} lwTagList;
+
+
+/* an object */
+
+typedef struct st_lwObject {
+ lwLayer *layer; /* linked list of layers */
+ lwEnvelope *env; /* linked list of envelopes */
+ lwClip *clip; /* linked list of clips */
+ lwSurface *surf; /* linked list of surfaces */
+ lwTagList taglist;
+ int nlayers;
+ int nenvs;
+ int nclips;
+ int nsurfs;
+} lwObject;
+
+
+/* lwo2.c */
+
+void lwFreeLayer( lwLayer *layer );
+void lwFreeObject( lwObject *object );
+lwObject *lwGetObject( const char *filename, picoMemStream_t *fp, unsigned int *failID, int *failpos );
+int lwValidateObject( const char *filename, picoMemStream_t *fp, unsigned int *failID, int *failpos );
+
+/* pntspols.c */
+
+void lwFreePoints( lwPointList *point );
+void lwFreePolygons( lwPolygonList *plist );
+int lwGetPoints( picoMemStream_t *fp, int cksize, lwPointList *point );
+void lwGetBoundingBox( lwPointList *point, float bbox[] );
+int lwAllocPolygons( lwPolygonList *plist, int npols, int nverts );
+int lwGetPolygons( picoMemStream_t *fp, int cksize, lwPolygonList *plist, int ptoffset );
+void lwGetPolyNormals( lwPointList *point, lwPolygonList *polygon );
+int lwGetPointPolygons( lwPointList *point, lwPolygonList *polygon );
+int lwResolvePolySurfaces( lwPolygonList *polygon, lwTagList *tlist,
+ lwSurface **surf, int *nsurfs );
+void lwGetVertNormals( lwPointList *point, lwPolygonList *polygon );
+void lwFreeTags( lwTagList *tlist );
+int lwGetTags( picoMemStream_t *fp, int cksize, lwTagList *tlist );
+int lwGetPolygonTags( picoMemStream_t *fp, int cksize, lwTagList *tlist,
+ lwPolygonList *plist );
+
+/* vmap.c */
+
+void lwFreeVMap( lwVMap *vmap );
+lwVMap *lwGetVMap( picoMemStream_t *fp, int cksize, int ptoffset, int poloffset,
+ int perpoly );
+int lwGetPointVMaps( lwPointList *point, lwVMap *vmap );
+int lwGetPolyVMaps( lwPolygonList *polygon, lwVMap *vmap );
+
+/* clip.c */
+
+void lwFreeClip( lwClip *clip );
+lwClip *lwGetClip( picoMemStream_t *fp, int cksize );
+lwClip *lwFindClip( lwClip *list, int index );
+
+/* envelope.c */
+
+void lwFreeEnvelope( lwEnvelope *env );
+lwEnvelope *lwGetEnvelope( picoMemStream_t *fp, int cksize );
+lwEnvelope *lwFindEnvelope( lwEnvelope *list, int index );
+float lwEvalEnvelope( lwEnvelope *env, float time );
+
+/* surface.c */
+
+void lwFreePlugin( lwPlugin *p );
+void lwFreeTexture( lwTexture *t );
+void lwFreeSurface( lwSurface *surf );
+int lwGetTHeader( picoMemStream_t *fp, int hsz, lwTexture *tex );
+int lwGetTMap( picoMemStream_t *fp, int tmapsz, lwTMap *tmap );
+int lwGetImageMap( picoMemStream_t *fp, int rsz, lwTexture *tex );
+int lwGetProcedural( picoMemStream_t *fp, int rsz, lwTexture *tex );
+int lwGetGradient( picoMemStream_t *fp, int rsz, lwTexture *tex );
+lwTexture *lwGetTexture( picoMemStream_t *fp, int bloksz, unsigned int type );
+lwPlugin *lwGetShader( picoMemStream_t *fp, int bloksz );
+lwSurface *lwGetSurface( picoMemStream_t *fp, int cksize );
+lwSurface *lwDefaultSurface( void );
+
+/* lwob.c */
+
+lwSurface *lwGetSurface5( picoMemStream_t *fp, int cksize, lwObject *obj );
+int lwGetPolygons5( picoMemStream_t *fp, int cksize, lwPolygonList *plist, int ptoffset );
+lwObject *lwGetObject5( const char *filename, picoMemStream_t *fp, unsigned int *failID, int *failpos );
+int lwValidateObject5( const char *filename, picoMemStream_t *fp, unsigned int *failID, int *failpos );
+
+/* list.c */
+
+void lwListFree( void *list, void ( *freeNode )( void * ));
+void lwListAdd( void **list, void *node );
+void lwListInsert( void **vlist, void *vitem,
+ int ( *compare )( void *, void * ));
+
+/* vecmath.c */
+
+float dot( float a[], float b[] );
+void cross( float a[], float b[], float c[] );
+void normalize( float v[] );
+#define vecangle( a, b ) ( float ) acos( dot( a, b ))
+
+/* lwio.c */
+
+void set_flen( int i );
+int get_flen( void );
+void *getbytes( picoMemStream_t *fp, int size );
+void skipbytes( picoMemStream_t *fp, int n );
+int getI1( picoMemStream_t *fp );
+short getI2( picoMemStream_t *fp );
+int getI4( picoMemStream_t *fp );
+unsigned char getU1( picoMemStream_t *fp );
+unsigned short getU2( picoMemStream_t *fp );
+unsigned int getU4( picoMemStream_t *fp );
+int getVX( picoMemStream_t *fp );
+float getF4( picoMemStream_t *fp );
+char *getS0( picoMemStream_t *fp );
+int sgetI1( unsigned char **bp );
+short sgetI2( unsigned char **bp );
+int sgetI4( unsigned char **bp );
+unsigned char sgetU1( unsigned char **bp );
+unsigned short sgetU2( unsigned char **bp );
+unsigned int sgetU4( unsigned char **bp );
+int sgetVX( unsigned char **bp );
+float sgetF4( unsigned char **bp );
+char *sgetS0( unsigned char **bp );
+
+#ifndef __BIG_ENDIAN__
+ void revbytes( void *bp, int elsize, int elcount );
+#else
+ #define revbytes( b, s, c )
+#endif
+
+#endif
projects / voretournament / voretournament.git / blobdiff