#pragma once typedef enum {	ST_SYNC,	ST_RAND,} synctype_t; #include "modelgen.h"#include "spritegn.h" /* BRUSH MODELS */ // in memory representationtypedef struct {	vec3_t position;} mvertex_t; enum {	SIDE_FRONT,	SIDE_BACK,	SIDE_ON,}; 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,	DRAWSURF_NODRAW = 1 << 1,}; 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,	SURF_DRAWSKYBOX = 1 << 12,	SURF_NODRAW = 1 << 13,}; #define insubmodel(s) ((s)->flags & SURF_IN_SUBMODEL) typedef struct {	unsigned int v[2];	unsigned int cacheoffset;} 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; 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 */ 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; 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 	MOD_NODRAW = 1 << 30,	MOD_ORIGIN_SET = 1 << 31, /* FIXME: nothing is using it yet */}; typedef struct {	vec3_t mins;	vec3_t maxs;	vec3_t origin;	int headnode[MAX_MAP_HULLS];	int visleafs; // not including the solid leaf 0	int firstface;	int 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;	vec3_t maxs;	float radius; 	// brush model	hull_t hulls[MAX_MAP_HULLS];	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;	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(const char *name);model_t *Mod_ForName(const char *name, bool crash);void *Mod_Extradata(model_t *mod); // handles cachingvoid Mod_TouchModel(const 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_f(cmd_t *c); texture_t *Load_ExternalTexture(char *map, char *name, bool nomip); 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); const char *Mod_FindInWorldspawn(model_t *mod, const char *key);