#ifndef __MODEL__#define __MODEL__ #include "modelgen.h"#include "spritegn.h" /* d*_t structures are on-disk representationsm*_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; #define SIDE_FRONT 0#define SIDE_BACK 1#define SIDE_ON 2 // plane_t structuretypedef struct mplane_s{	vec3_t normal;	float dist;	uint8_t type; // for texture axis selection and fast side tests	uint8_t signbits; // signx + signy<<1 + signz<<1	uint8_t pad[2];} mplane_t; typedef struct texture_s{	char name[16];	unsigned width, height;	int anim_total; // total tenths in sequence ( 0 = no)	int anim_min, anim_max; // time for this frame min <=time< max	struct texture_s *anim_next; // in the animation sequence	struct texture_s *alternate_anims; // bmodels in frmae 1 use these	unsigned offsets[MIPLEVELS]; // four mip maps stored} texture_t; #define SURF_PLANEBACK 2#define SURF_DRAWSKY 4#define SURF_DRAWSPRITE 8#define SURF_DRAWTURB 0x10#define SURF_DRAWTILED 0x20#define SURF_DRAWBACKGROUND 0x40 // !!! if this is changed, it must be changed in asm_draw.h too !!!typedef struct{	unsigned short v[2];	unsigned int cachededgeoffset;} medge_t; typedef struct{	float vecs[2][4];	float mipadjust;	texture_t *texture;	int flags;} mtexinfo_t; typedef struct msurface_s{	int visframe; // should be drawn when node is crossed 	int dlightframe;	int dlightbits; 	mplane_t *plane;	int flags; 	int firstedge; // look up in model->surfedges[], negative numbers	int numedges; // are backwards edges // surface generation data	struct surfcache_s *cachespots[MIPLEVELS]; 	short texturemins[2];	short extents[2]; 	mtexinfo_t *texinfo; // lighting info	uint8_t styles[MAXLIGHTMAPS];	uint8_t *samples; // [numstyles*surfsize]} 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 	short minmaxs[6]; // for bounding box culling 	struct mnode_s *parent; // node specific	mplane_t *plane;	struct mnode_s *children[2]; 	unsigned short firstsurface;	unsigned short 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 	short minmaxs[6]; // for bounding box culling 	struct mnode_s *parent; // leaf specific	uint8_t *compressed_vis;	efrag_t *efrags; 	msurface_t **firstmarksurface;	int nummarksurfaces;	int key; // BSP sequence number for leaf's contents	uint8_t ambient_sound_level[NUM_AMBIENTS];} mleaf_t; typedef struct{	dclipnode_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;	void *pcachespot; // remove?	float up, down, left, right;	uint8_t pixels[4];} mspriteframe_t; typedef struct{	int numframes;	float *intervals;	mspriteframe_t *frames[1];} mspritegroup_t; typedef struct{	spriteframetype_t type;	mspriteframe_t *frameptr;} mspriteframedesc_t; typedef struct{	int type;	int maxwidth;	int maxheight;	int numframes;	float beamlength; // remove?	void *cachespot; // remove?	mspriteframedesc_t frames[1];} 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;	void *pcachespot;	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; #define EF_ROCKET 1 // leave a trail#define EF_GRENADE 2 // leave a trail#define EF_GIB 4 // leave a trail#define EF_ROTATE 8 // rotate (bonus items)#define EF_TRACER 16 // green split trail#define EF_ZOMGIB 32 // small blood trail#define EF_TRACER2 64 // orange split trail + rotate#define EF_TRACER3 128 // purple trail typedef struct model_s{	char name[MAX_QPATH];	int needload; // bmodels and sprites don't cache normally 	modtype_t type;	int numframes;	synctype_t synctype; 	int flags; //// volume occupied by the model//	vec3_t mins, maxs;	float radius; //// brush model//	int firstmodelsurface, nummodelsurfaces; 	int numsubmodels;	dmodel_t *submodels; 	int numplanes;	mplane_t *planes; 	int numleafs; // number of visible leafs, not counting 0	mleaf_t *leafs; 	int numvertexes;	mvertex_t *vertexes; 	int numedges;	medge_t *edges; 	int numnodes;	mnode_t *nodes; 	int numtexinfo;	mtexinfo_t *texinfo; 	int numsurfaces;	msurface_t *surfaces; 	int numsurfedges;	int *surfedges; 	int numclipnodes;	dclipnode_t *clipnodes; 	int nummarksurfaces;	msurface_t **marksurfaces; 	hull_t hulls[MAX_MAP_HULLS]; 	int numtextures;	texture_t **textures; 	uint8_t *visdata;	uint8_t *lightdata;	char *entities;} model_t; //============================================================================ void Mod_Init (void);void Mod_ClearAll (void);model_t *Mod_ForName (char *name, bool crash);void *Mod_Extradata (model_t *mod); // handles cachingvoid Mod_TouchModel (char *name); mleaf_t *Mod_PointInLeaf (float *p, model_t *model);uint8_t *Mod_LeafPVS (mleaf_t *leaf, model_t *model); #endif // __MODEL__