/* Copyright (C) 1996-1997 Id Software, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* ============================================================================== 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 structure typedef struct mplane_s { vec3_t normal; float dist; byte type; // for texture axis selection and fast side tests byte pad[3]; int (*BoxOnPlaneSideFunc) (vec3_t emins, vec3_t emaxs, struct mplane_s *p); } mplane_t; typedef struct texture_s { char name[16]; unsigned width, height; int gl_texturenum; int gl_glowtexturenum; // LordHavoc: fullbrights on walls struct msurface_s *texturechain; // for gl_texsort drawing 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 frame 1 use these unsigned offsets[MIPLEVELS]; // four mip maps stored int transparent; // LordHavoc: transparent texture support } 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 //#define SURF_UNDERWATER 0x80 // LordHavoc: added these for lava and teleport textures #define SURF_DRAWNOALPHA 0x100 #define SURF_DRAWFULLBRIGHT 0x200 // !!! 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; // LordHavoc: was 7, I added one more for raw lightmap position #define VERTEXSIZE 8 typedef struct glpoly_s { struct glpoly_s *next; struct glpoly_s *chain; int numverts; int flags; // for SURF_UNDERWATER float verts[4][VERTEXSIZE]; // variable sized (xyz s1t1 s2t2) } glpoly_t; typedef struct msurface_s { int visframe; // should be drawn when node is crossed mplane_t *plane; int flags; int firstedge; // look up in model->surfedges[], negative numbers int numedges; // are backwards edges short texturemins[2]; short extents[2]; short light_s, light_t; // gl lightmap coordinates glpoly_t *polys; // multiple if warped struct msurface_s *texturechain; mtexinfo_t *texinfo; // lighting info int dlightframe; int dlightbits[8]; int lightframe; // avoid redundent addition of dlights int worldnodeframe; // only render each surface once int lightmaptexturenum; byte styles[MAXLIGHTMAPS]; unsigned short cached_light[MAXLIGHTMAPS]; // values currently used in lightmap short cached_dlight; // LordHavoc: if lightmap was lit by dynamic lights, update on frame after end of effect to erase it short cached_lighthalf; // LordHavoc: to cause lightmap to be rerendered when lighthalf changes float cached_ambient; // LordHavoc: rerender lightmaps when r_ambient changes byte *samples; // [numstyles*surfsize] } msurface_t; // warning: if this is changed, references must be updated in cpu_* assembly files typedef struct mnode_s { // common with leaf int contents; // 0, to differentiate from leafs int visframe; // node needs to be traversed if current int lightframe; // LordHavoc: to avoid redundent parent chasing in R_VisMarkLights float minmaxs[6]; // for bounding box culling struct mnode_s *parent; // LordHavoc: node based dynamic lighting int dlightbits[8]; int dlightframe; // 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 int lightframe; // LordHavoc: to avoid redundent parent chasing in R_VisMarkLights float minmaxs[6]; // for bounding box culling struct mnode_s *parent; // LordHavoc: node based dynamic lighting int dlightbits[8]; int dlightframe; // 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[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;