Games/Quake/r_local.h

   1 /*
   2 Copyright (C) 1996-1997 Id Software, Inc.
   3
   4 This program is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU General Public License
   6 as published by the Free Software Foundation; either version 2
   7 of the License, or (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  12
  13 See the GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18
  19 */
  20 // r_local.h -- private refresh defs
  21
  22 #ifndef GLQUAKE
  23 #include "r_shared.h"
  24
  25 #define ALIAS_BASE_SIZE_RATIO           (1.0 / 11.0)
  26                                         // normalizing factor so player model works out to about
  27                                         //  1 pixel per triangle
  28
  29 #define BMODEL_FULLY_CLIPPED    0x10 // value returned by R_BmodelCheckBBox ()
  30                                                                          //  if bbox is trivially rejected
  31
  32 //===========================================================================
  33 // viewmodel lighting
  34
  35 typedef struct {
  36         int                     ambientlight;
  37         int                     shadelight;
  38         float           *plightvec;
  39 } alight_t;
  40
  41 //===========================================================================
  42 // clipped bmodel edges
  43
  44 typedef struct bedge_s
  45 {
  46         mvertex_t               *v[2];
  47         struct bedge_s  *pnext;
  48 } bedge_t;
  49
  50 typedef struct {
  51         float   fv[3];          // viewspace x, y
  52 } auxvert_t;
  53
  54 //===========================================================================
  55
  56 extern cvar_t   r_draworder;
  57 extern cvar_t   r_speeds;
  58 extern cvar_t   r_timegraph;
  59 extern cvar_t   r_graphheight;
  60 extern cvar_t   r_clearcolor;
  61 extern cvar_t   r_waterwarp;
  62 extern cvar_t   r_fullbright;
  63 extern cvar_t   r_drawentities;
  64 extern cvar_t   r_aliasstats;
  65 extern cvar_t   r_dspeeds;
  66 extern cvar_t   r_drawflat;
  67 extern cvar_t   r_ambient;
  68 extern cvar_t   r_reportsurfout;
  69 extern cvar_t   r_maxsurfs;
  70 extern cvar_t   r_numsurfs;
  71 extern cvar_t   r_reportedgeout;
  72 extern cvar_t   r_maxedges;
  73 extern cvar_t   r_numedges;
  74
  75 #define XCENTERING      (1.0 / 2.0)
  76 #define YCENTERING      (1.0 / 2.0)
  77
  78 #define CLIP_EPSILON            0.001
  79
  80 #define BACKFACE_EPSILON        0.01
  81
  82 //===========================================================================
  83
  84 #define DIST_NOT_SET    98765
  85
  86 // !!! if this is changed, it must be changed in asm_draw.h too !!!
  87 typedef struct clipplane_s
  88 {
  89         vec3_t          normal;
  90         float           dist;
  91         struct          clipplane_s     *next;
  92         byte            leftedge;
  93         byte            rightedge;
  94         byte            reserved[2];
  95 } clipplane_t;
  96
  97 extern  clipplane_t     view_clipplanes[4];
  98
  99 //=============================================================================
 100
 101 void R_RenderWorld (void);
 102
 103 //=============================================================================
 104
 105 extern  mplane_t        screenedge[4];
 106
 107 extern  vec3_t  r_origin;
 108
 109 extern  vec3_t  r_entorigin;
 110
 111 extern  float   screenAspect;
 112 extern  float   verticalFieldOfView;
 113 extern  float   xOrigin, yOrigin;
 114
 115 extern  int             r_visframecount;
 116
 117 //=============================================================================
 118
 119 extern int      vstartscan;
 120
 121
 122 void R_ClearPolyList (void);
 123 void R_DrawPolyList (void);
 124
 125 //
 126 // current entity info
 127 //
 128 extern  qboolean                insubmodel;
 129 extern  vec3_t                  r_worldmodelorg;
 130
 131
 132 void R_DrawSprite (void);
 133 void R_RenderFace (msurface_t *fa, int clipflags);
 134 void R_RenderPoly (msurface_t *fa, int clipflags);
 135 void R_RenderBmodelFace (bedge_t *pedges, msurface_t *psurf);
 136 void R_TransformPlane (mplane_t *p, float *normal, float *dist);
 137 void R_TransformFrustum (void);
 138 void R_SetSkyFrame (void);
 139 void R_DrawSurfaceBlock16 (void);
 140 void R_DrawSurfaceBlock8 (void);
 141 texture_t *R_TextureAnimation (texture_t *base);
 142
 143 #if     id386
 144
 145 void R_DrawSurfaceBlock8_mip0 (void);
 146 void R_DrawSurfaceBlock8_mip1 (void);
 147 void R_DrawSurfaceBlock8_mip2 (void);
 148 void R_DrawSurfaceBlock8_mip3 (void);
 149
 150 #endif
 151
 152 void R_GenSkyTile (void *pdest);
 153 void R_GenSkyTile16 (void *pdest);
 154 void R_Surf8Patch (void);
 155 void R_Surf16Patch (void);
 156 void R_DrawSubmodelPolygons (model_t *pmodel, int clipflags);
 157 void R_DrawSolidClippedSubmodelPolygons (model_t *pmodel);
 158
 159 void R_AddPolygonEdges (emitpoint_t *pverts, int numverts, int miplevel);
 160 surf_t *R_GetSurf (void);
 161 void R_AliasDrawModel (alight_t *plighting);
 162 void R_BeginEdgeFrame (void);
 163 void R_ScanEdges (void);
 164 void D_DrawSurfaces (void);
 165 void R_InsertNewEdges (edge_t *edgestoadd, edge_t *edgelist);
 166 void R_StepActiveU (edge_t *pedge);
 167 void R_RemoveEdges (edge_t *pedge);
 168
 169 extern void R_Surf8Start (void);
 170 extern void R_Surf8End (void);
 171 extern void R_Surf16Start (void);
 172 extern void R_Surf16End (void);
 173 extern void R_EdgeCodeStart (void);
 174 extern void R_EdgeCodeEnd (void);
 175
 176 extern void R_RotateBmodel (void);
 177
 178 extern int      c_faceclip;
 179 extern int      r_polycount;
 180 extern int      r_wholepolycount;
 181
 182 extern  model_t         *cl_worldmodel;
 183
 184 extern int              *pfrustum_indexes[4];
 185
 186 // !!! if this is changed, it must be changed in asm_draw.h too !!!
 187 #define NEAR_CLIP       0.01
 188
 189 extern int                      ubasestep, errorterm, erroradjustup, erroradjustdown;
 190 extern int                      vstartscan;
 191
 192 extern fixed16_t        sadjust, tadjust;
 193 extern fixed16_t        bbextents, bbextentt;
 194
 195 #define MAXBVERTINDEXES 1000    // new clipped vertices when clipping bmodels
 196                                                                 //  to the world BSP
 197 extern mvertex_t        *r_ptverts, *r_ptvertsmax;
 198
 199 extern vec3_t                   sbaseaxis[3], tbaseaxis[3];
 200 extern float                    entity_rotation[3][3];
 201
 202 extern int              reinit_surfcache;
 203
 204 extern int              r_currentkey;
 205 extern int              r_currentbkey;
 206
 207 typedef struct btofpoly_s {
 208         int                     clipflags;
 209         msurface_t      *psurf;
 210 } btofpoly_t;
 211
 212 #define MAX_BTOFPOLYS   5000    // FIXME: tune this
 213
 214 extern int                      numbtofpolys;
 215 extern btofpoly_t       *pbtofpolys;
 216
 217 void    R_InitTurb (void);
 218 void    R_ZDrawSubmodelPolys (model_t *clmodel);
 219
 220 //=========================================================
 221 // Alias models
 222 //=========================================================
 223
 224 #define MAXALIASVERTS           2000    // TODO: tune this
 225 #define ALIAS_Z_CLIP_PLANE      5
 226
 227 extern int                              numverts;
 228 extern int                              a_skinwidth;
 229 extern mtriangle_t              *ptriangles;
 230 extern int                              numtriangles;
 231 extern aliashdr_t               *paliashdr;
 232 extern mdl_t                    *pmdl;
 233 extern float                    leftclip, topclip, rightclip, bottomclip;
 234 extern int                              r_acliptype;
 235 extern finalvert_t              *pfinalverts;
 236 extern auxvert_t                *pauxverts;
 237
 238 qboolean R_AliasCheckBBox (void);
 239
 240 //=========================================================
 241 // turbulence stuff
 242
 243 #define AMP             8*0x10000
 244 #define AMP2    3
 245 #define SPEED   20
 246
 247 //=========================================================
 248 // particle stuff
 249
 250 void R_DrawParticles (void);
 251 void R_InitParticles (void);
 252 void R_ClearParticles (void);
 253 void R_ReadPointFile_f (void);
 254 void R_SurfacePatch (void);
 255
 256 extern int              r_amodels_drawn;
 257 extern edge_t   *auxedges;
 258 extern int              r_numallocatededges;
 259 extern edge_t   *r_edges, *edge_p, *edge_max;
 260
 261 extern  edge_t  *newedges[MAXHEIGHT];
 262 extern  edge_t  *removeedges[MAXHEIGHT];
 263
 264 extern  int     screenwidth;
 265
 266 // FIXME: make stack vars when debugging done
 267 extern  edge_t  edge_head;
 268 extern  edge_t  edge_tail;
 269 extern  edge_t  edge_aftertail;
 270 extern int              r_bmodelactive;
 271 extern vrect_t  *pconupdate;
 272
 273 extern float            aliasxscale, aliasyscale, aliasxcenter, aliasycenter;
 274 extern float            r_aliastransition, r_resfudge;
 275
 276 extern int              r_outofsurfaces;
 277 extern int              r_outofedges;
 278
 279 extern mvertex_t        *r_pcurrentvertbase;
 280 extern int                      r_maxvalidedgeoffset;
 281
 282 void R_AliasClipTriangle (mtriangle_t *ptri);
 283
 284 extern float    r_time1;
 285 extern float    dp_time1, dp_time2, db_time1, db_time2, rw_time1, rw_time2;
 286 extern float    se_time1, se_time2, de_time1, de_time2, dv_time1, dv_time2;
 287 extern int              r_frustum_indexes[4*6];
 288 extern int              r_maxsurfsseen, r_maxedgesseen, r_cnumsurfs;
 289 extern qboolean r_surfsonstack;
 290 extern cshift_t cshift_water;
 291 extern qboolean r_dowarpold, r_viewchanged;
 292
 293 extern mleaf_t  *r_viewleaf, *r_oldviewleaf;
 294
 295 extern vec3_t   r_emins, r_emaxs;
 296 extern mnode_t  *r_pefragtopnode;
 297 extern int              r_clipflags;
 298 extern int              r_dlightframecount;
 299 extern qboolean r_fov_greater_than_90;
 300
 301 void R_StoreEfrags (efrag_t **ppefrag);
 302 void R_TimeRefresh_f (void);
 303 void R_TimeGraph (void);
 304 void R_PrintAliasStats (void);
 305 void R_PrintTimes (void);
 306 void R_PrintDSpeeds (void);
 307 void R_AnimateLight (void);
 308 int R_LightPoint (vec3_t p);
 309 void R_SetupFrame (void);
 310 void R_cshift_f (void);
 311 void R_EmitEdge (mvertex_t *pv0, mvertex_t *pv1);
 312 void R_ClipEdge (mvertex_t *pv0, mvertex_t *pv1, clipplane_t *clip);
 313 void R_SplitEntityOnNode2 (mnode_t *node);
 314 void R_MarkLights (dlight_t *light, int bit, mnode_t *node);
 315
 316 #endif
 317