ref: 38de7eaca1fa15e005bc0065adc7019dfaedae38
dir: /model.h/
typedef enum {ST_SYNC, ST_RAND} synctype_t;
#include "modelgen.h"
#include "spritegn.h"
/*
d*_t structures are on-disk representations
m*_t structures are in-memory
*/
/*
==============================================================================
BRUSH MODELS
==============================================================================
*/
//
// in memory representation
//
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct
{
vec3_t position;
} mvertex_t;
enum {
SIDE_FRONT,
SIDE_BACK,
SIDE_ON,
};
// plane_t structure
// !!! if this is changed, it must be changed in asm_i386.h too !!!
typedef struct mplane_s
{
vec3_t normal;
float dist;
byte type; // for texture axis selection and fast side tests
byte signbits; // signx + signy<<1 + signz<<1
} mplane_t;
enum {
DRAWSURF_FULLBRIGHT = 1<<0,
};
typedef struct texture_s
{
char name[16];
struct texture_s *anim_next; // in the animation sequence
struct texture_s *alternate_anims; // bmodels in frmae 1 use these
int drawsurf;
int width, height;
int anim_total; // total tenths in sequence ( 0 = no)
int anim_min, anim_max; // time for this frame min <=time< max
int offsets[MIPLEVELS]; // four mip maps stored
pixel_t pixels[];
} texture_t;
enum {
SURF_PLANEBACK = 1<<0,
SURF_DRAWSKY = 1<<1,
SURF_DRAWSPRITE = 1<<2,
SURF_DRAWTURB = 1<<3,
SURF_DRAWTILED = 1<<4,
SURF_DRAWBACKGROUND = 1<<5,
SURF_TRANS = 1<<6,
SURF_FENCE = 1<<7,
SURF_LAVA = 1<<8,
SURF_SLIME = 1<<9,
SURF_TELE = 1<<10,
SURF_IN_SUBMODEL = 1<<11,
};
#define insubmodel(s) ((s)->flags & SURF_IN_SUBMODEL)
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct
{
unsigned int v[2];
unsigned int cachededgeoffset;
} medge_t;
typedef struct
{
texture_t *texture;
float vecs[2][4];
float mipadjust;
int flags;
} mtexinfo_t;
typedef struct msurface_s
{
mplane_t *plane;
mtexinfo_t *texinfo;
byte *samples; // [numstyles*surfsize]
// surface generation data
struct surfcache_s *cachespots[MIPLEVELS];
int visframe; // should be drawn when node is crossed
int dlightframe;
int dlightbits;
int flags;
int firstedge; // look up in model->surfedges[], negative numbers
int numedges; // are backwards edges
int texturemins[2];
int extents[2];
// lighting info
byte styles[MAXLIGHTMAPS];
} msurface_t;
typedef struct mnode_s
{
// common with leaf
int contents; // 0, to differentiate from leafs
int visframe; // node needs to be traversed if current
float minmaxs[6]; // for bounding box culling
struct mnode_s *parent;
// node specific
mplane_t *plane;
struct mnode_s *children[2];
unsigned int firstsurface;
unsigned int numsurfaces;
} mnode_t;
typedef struct mleaf_s
{
// common with node
int contents; // wil be a negative contents number
int visframe; // node needs to be traversed if current
float minmaxs[6]; // for bounding box culling
struct mnode_s *parent;
// leaf specific
byte *compressed_vis;
efrag_t *efrags;
msurface_t **firstmarksurface;
int nummarksurfaces;
int key; // BSP sequence number for leaf's contents
byte ambient_sound_level[Namb];
} mleaf_t;
typedef struct
{
int planenum;
int children[2];
}mclipnode_t;
// !!! if this is changed, it must be changed in asm_i386.h too !!!
typedef struct
{
mclipnode_t *clipnodes;
mplane_t *planes;
int firstclipnode;
int lastclipnode;
vec3_t clip_mins;
vec3_t clip_maxs;
} hull_t;
/*
==============================================================================
SPRITE MODELS
==============================================================================
*/
// FIXME: shorten these?
typedef struct mspriteframe_s
{
int width;
int height;
float up, down, left, right;
pixel_t pixels[];
} mspriteframe_t;
typedef struct
{
int numframes;
float *intervals;
mspriteframe_t *frames[];
} mspritegroup_t;
typedef struct
{
union {
mspriteframe_t *frameptr;
mspritegroup_t *framegrp;
};
spriteframetype_t type;
} mspriteframedesc_t;
typedef struct
{
int type;
float boundingradius;
int maxwidth;
int maxheight;
int numframes;
float beamlength; // remove?
mspriteframedesc_t frames[];
} msprite_t;
/*
==============================================================================
ALIAS MODELS
Alias models are position independent, so the cache manager can move them.
==============================================================================
*/
typedef struct
{
aliasframetype_t type;
trivertx_t bboxmin;
trivertx_t bboxmax;
int frame;
char name[16];
} maliasframedesc_t;
typedef struct
{
aliasskintype_t type;
int skin;
} maliasskindesc_t;
typedef struct
{
trivertx_t bboxmin;
trivertx_t bboxmax;
int frame;
} maliasgroupframedesc_t;
typedef struct
{
int numframes;
int intervals;
maliasgroupframedesc_t frames[1];
} maliasgroup_t;
typedef struct
{
int numskins;
int intervals;
maliasskindesc_t skindescs[1];
} maliasskingroup_t;
// !!! if this is changed, it must be changed in asm_draw.h too !!!
typedef struct mtriangle_s {
int facesfront;
int vertindex[3];
} mtriangle_t;
typedef struct {
int model;
int stverts;
int skindesc;
int triangles;
maliasframedesc_t frames[1];
} aliashdr_t;
//===================================================================
//
// Whole model
//
typedef enum {
mod_brush,
mod_sprite,
mod_alias,
} modtype_t;
enum {
EF_ROCKET = 1<<0, // leave a trail
EF_GRENADE = 1<<1, // leave a trail
EF_GIB = 1<<2, // leave a trail
EF_ROTATE = 1<<3, // rotate (bonus items)
EF_TRACER = 1<<4, // green split trail
EF_ZOMGIB = 1<<5, // small blood trail
EF_TRACER2 = 1<<6, // orange split trail + rotate
EF_TRACER3 = 1<<7, // purple trail
};
typedef struct
{
float mins[3], maxs[3];
float origin[3];
int headnode[MAX_MAP_HULLS];
int visleafs; // not including the solid leaf 0
int firstface, numfaces;
} submodel_t;
typedef struct model_s
{
char name[Npath];
int needload; // bmodels and sprites don't cache normally
bool blend;
int ver;
int numwads;
Wad **wads;
char *lmpfrom;
modtype_t type;
int numframes;
synctype_t synctype;
int flags;
//
// volume occupied by the model
//
vec3_t mins, maxs;
float radius;
//
// brush model
//
submodel_t *submodels;
mplane_t *planes;
mleaf_t *leafs;
mvertex_t *vertexes;
medge_t *edges;
mnode_t *nodes;
mtexinfo_t *texinfo;
msurface_t *surfaces;
int *surfedges;
mclipnode_t *clipnodes;
msurface_t **marksurfaces;
texture_t **textures;
byte *visdata;
byte *lightdata;
char *entities;
int firstmodelsurface, nummodelsurfaces;
int numsubmodels;
int numplanes;
int numleafs; // number of visible leafs, not counting 0
int numvertexes;
int numedges;
int numnodes;
int numtexinfo;
int numsurfaces;
int numsurfedges;
int numclipnodes;
int nummarksurfaces;
hull_t hulls[MAX_MAP_HULLS];
int numtextures;
//
// additional model data
//
mem_user_t cache; // only access through Mod_Extradata
} model_t;
//============================================================================
void Mod_Init (void);
void Mod_ClearAll (void);
model_t *Mod_FindName (char *name);
model_t *Mod_ForName (char *name, bool crash);
void *Mod_Extradata (model_t *mod); // handles caching
void Mod_TouchModel (char *name);
mleaf_t *Mod_PointInLeaf (const vec3_t p, model_t *model);
byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model, int *sz);
void Mod_Print(void);
texture_t *Load_ExternalTexture(char *map, char *name);
void Mod_LoadBrushModel(model_t *mod, byte *buffer, int total);
void Mod_LoadSpriteModel(model_t *mod, byte *buffer, int total);
void Mod_LoadAliasModel(model_t *mod, void *buffer);